bn/asm/x86_64-mont5.pl: unify gather procedure in hardly used path
[openssl.git] / Configure
index 45103ff..080bc06 100755 (executable)
--- a/Configure
+++ b/Configure
 require 5.000;
 use strict;
 use File::Basename;
-use File::Spec::Functions;
+use File::Spec::Functions qw/:DEFAULT abs2rel rel2abs/;
+use File::Path qw/mkpath/;
 
 # see INSTALL for instructions.
 
-my $usage="Usage: Configure [no-<cipher> ...] [enable-<cipher> ...] [experimental-<cipher> ...] [-Dxxx] [-lxxx] [-Lxxx] [-fxxx] [-Kxxx] [no-hw-xxx|no-hw] [[no-]threads] [[no-]shared] [[no-]zlib|zlib-dynamic] [no-asm] [no-dso] [no-egd] [sctp] [386] [--prefix=DIR] [--openssldir=OPENSSLDIR] [--with-xxx[=vvv]] [--config=FILE] os/compiler[:flags]\n";
+my $usage="Usage: Configure [no-<cipher> ...] [enable-<cipher> ...] [-Dxxx] [-lxxx] [-Lxxx] [-fxxx] [-Kxxx] [no-hw-xxx|no-hw] [[no-]threads] [[no-]shared] [[no-]zlib|zlib-dynamic] [no-asm] [no-dso] [no-egd] [sctp] [386] [--prefix=DIR] [--openssldir=OPENSSLDIR] [--with-xxx[=vvv]] [--config=FILE] os/compiler[:flags]\n";
 
 # Options:
 #
@@ -31,10 +32,6 @@ my $usage="Usage: Configure [no-<cipher> ...] [enable-<cipher> ...] [experimenta
 #               This becomes the value of OPENSSLDIR in Makefile and in C.
 #               (Default: PREFIX/ssl)
 #
-# --install_prefix  Additional prefix for package builders (empty by
-#               default).  This needn't be set in advance, you can
-#               just as well use "make INSTALL_PREFIX=/whatever install".
-#
 # --cross-compile-prefix Add specified prefix to binutils components.
 #
 # --api         One of 0.9.8, 1.0.0 or 1.1.0.  Do not compile support for
@@ -49,6 +46,8 @@ my $usage="Usage: Configure [no-<cipher> ...] [enable-<cipher> ...] [experimenta
 #               multithreaded applications (default is "threads" if we
 #               know how to do it)
 # [no-]shared  [don't] try to create shared libraries when supported.
+# [no-]pic      [don't] try to build position independent code when supported.
+#               If disabled, it also disables shared and dynamic-engine.
 # no-asm        do not use assembler
 # no-dso        do not compile in any native shared-library methods. This
 #               will ensure that all methods just return NULL.
@@ -65,32 +64,8 @@ my $usage="Usage: Configure [no-<cipher> ...] [enable-<cipher> ...] [experimenta
 # DEBUG_SAFESTACK use type-safe stacks to enforce type-safety on stack items
 #              provided to stack calls. Generates unique stack functions for
 #              each possible stack type.
-# DES_PTR      use pointer lookup vs arrays in the DES in crypto/des/des_locl.h
-# DES_RISC1    use different DES_ENCRYPT macro that helps reduce register
-#              dependancies but needs to more registers, good for RISC CPU's
-# DES_RISC2    A different RISC variant.
-# DES_UNROLL   unroll the inner DES loop, sometimes helps, somtimes hinders.
-# DES_INT      use 'int' instead of 'long' for DES_LONG in crypto/des/des.h
-#              This is used on the DEC Alpha where long is 8 bytes
-#              and int is 4
 # BN_LLONG     use the type 'long long' in crypto/bn/bn.h
-# MD2_CHAR     use 'char' instead of 'int' for MD2_INT in crypto/md2/md2.h
-# MD2_LONG     use 'long' instead of 'int' for MD2_INT in crypto/md2/md2.h
-# IDEA_SHORT   use 'short' instead of 'int' for IDEA_INT in crypto/idea/idea.h
-# IDEA_LONG    use 'long' instead of 'int' for IDEA_INT in crypto/idea/idea.h
-# RC2_SHORT    use 'short' instead of 'int' for RC2_INT in crypto/rc2/rc2.h
-# RC2_LONG     use 'long' instead of 'int' for RC2_INT in crypto/rc2/rc2.h
 # RC4_CHAR     use 'char' instead of 'int' for RC4_INT in crypto/rc4/rc4.h
-# RC4_LONG     use 'long' instead of 'int' for RC4_INT in crypto/rc4/rc4.h
-# RC4_INDEX    define RC4_INDEX in crypto/rc4/rc4_locl.h.  This turns on
-#              array lookups instead of pointer use.
-# RC4_CHUNK    enables code that handles data aligned at long (natural CPU
-#              word) boundary.
-# RC4_CHUNK_LL enables code that handles data aligned at long long boundary
-#              (intended for 64-bit CPUs running 32-bit OS).
-# BF_PTR       use 'pointer arithmatic' for Blowfish (unsafe on Alpha).
-# BF_PTR2      intel specific version (generic version is more efficient).
-#
 # Following are set automatically by this script
 #
 # MD5_ASM      use some extra md5 assember,
@@ -103,32 +78,45 @@ my $usage="Usage: Configure [no-<cipher> ...] [enable-<cipher> ...] [experimenta
 # Minimum warning options... any contributions to OpenSSL should at least get
 # past these.
 
-my $gcc_devteam_warn = "-Wall -pedantic -DPEDANTIC -Wno-long-long -Wsign-compare -Wmissing-prototypes -Wshadow -Wformat -Wtype-limits -Werror -DREF_CHECK -DDEBUG_UNUSED";
+my $gcc_devteam_warn = "-DPEDANTIC -DREF_DEBUG -DDEBUG_UNUSED -DBIO_DEBUG"
+        . " -pedantic"
+        . " -Wall"
+        . " -Wno-long-long"
+        . " -Wsign-compare"
+        . " -Wmissing-prototypes"
+        . " -Wshadow"
+        . " -Wformat"
+        . " -Wtype-limits"
+        . " -Werror"
+        ;
 
 # These are used in addition to $gcc_devteam_warn when the compiler is clang.
 # TODO(openssl-team): fix problems and investigate if (at least) the
 # following warnings can also be enabled:
-# -Wswitch-enum, -Wunused-macros, -Wmissing-field-initializers,
-# -Wcast-align,
-# -Wunreachable-code -Wunused-parameter -Wlanguage-extension-token
-# -Wextended-offsetof
-my $clang_devteam_warn = "-Wno-unused-parameter -Wno-missing-field-initializers -Wno-language-extension-token -Wno-extended-offsetof -Wconditional-uninitialized -Qunused-arguments -Wincompatible-pointer-types-discards-qualifiers -Wmissing-variable-declarations";
-
-# Warn that "make depend" should be run?
-my $warn_make_depend = 0;
-
-# These are used in addition to $gcc_devteam_warn unless this is a mingw build.
-# This adds backtrace information to the memory leak info.
-my $memleak_devteam_backtrace = "-rdynamic -DCRYPTO_MDEBUG_BACKTRACE";
-
+#       -Wswitch-enum
+#       -Wcast-align
+#       -Wunreachable-code
+#       -Wlanguage-extension-token -- no, we use asm()
+#       -Wunused-macros -- no, too tricky for BN and _XOPEN_SOURCE etc
+#       -Wextended-offsetof -- no, needed in CMS ASN1 code
+my $clang_devteam_warn = ""
+        . " -Qunused-arguments"
+        . " -Wextra"
+        . " -Wno-unused-parameter"
+        . " -Wno-missing-field-initializers"
+        . " -Wno-language-extension-token"
+        . " -Wno-extended-offsetof"
+        . " -Wconditional-uninitialized"
+        . " -Wincompatible-pointer-types-discards-qualifiers"
+        . " -Wmissing-variable-declarations"
+        ;
+
+# This adds backtrace information to the memory leak info.  Is only used
+# when crypto-mdebug-backtrace is enabled.
+my $memleak_devteam_backtrace = "-rdynamic";
 
 my $strict_warnings = 0;
 
-my $x86_gcc_des="DES_PTR DES_RISC1 DES_UNROLL";
-
-# MD2_CHAR slags pentium pros
-my $x86_gcc_opts="RC4_INDEX MD2_INT";
-
 # As for $BSDthreads. Idea is to maintain "collective" set of flags,
 # which would cover all BSD flavors. -pthread applies to them all,
 # but is treated differently. OpenBSD expands is as -D_POSIX_THREAD
@@ -167,35 +155,75 @@ sub read_config;
 sub resolve_config;
 
 
-my ($vol, $dir, $dummy) = File::Spec->splitpath($0);
-my $pattern = File::Spec->catpath($vol, $dir, "Configurations/*.conf");
+# Information collection #############################################
+
+# Unified build supports separate build dir
+my $srcdir = catdir(absolutedir(dirname($0))); # catdir ensures local syntax
+my $blddir = catdir(absolutedir("."));         # catdir ensures local syntax
+my $dofile = abs2rel(catfile($srcdir, "util/dofile.pl"));
+
+$config{sourcedir} = abs2rel($srcdir);
+$config{builddir} = abs2rel($blddir);
+
+# Collect version numbers
+$config{version} = "unknown";
+$config{version_num} = "unknown";
+$config{shlib_version_number} = "unknown";
+$config{shlib_version_history} = "unknown";
+
+collect_information(
+    collect_from_file(catfile($srcdir,'include/openssl/opensslv.h')),
+    qr/OPENSSL.VERSION.TEXT.*OpenSSL (\S+) / => sub { $config{version} = $1; },
+    qr/OPENSSL.VERSION.NUMBER.*(0x\S+)/             => sub { $config{version_num}=$1 },
+    qr/SHLIB_VERSION_NUMBER *"([^"]+)"/             => sub { $config{shlib_version_number}=$1 },
+    qr/SHLIB_VERSION_HISTORY *"([^"]*)"/     => sub { $config{shlib_version_history}=$1 }
+    );
+if ($config{shlib_version_history} ne "") { $config{shlib_version_history} .= ":"; }
+
+($config{major}, $config{minor})
+    = ($config{version} =~ /^([0-9]+)\.([0-9\.]+)/);
+($config{shlib_major}, $config{shlib_minor})
+    = ($config{shlib_version_number} =~ /^([0-9]+)\.([0-9\.]+)/);
+die "erroneous version information in opensslv.h: ",
+    "$config{major}, $config{minor}, $config{shlib_major}, $config{shlib_minor}\n"
+    if ($config{major} eq "" || $config{minor} eq ""
+       || $config{shlib_major} eq "" ||  $config{shlib_minor} eq "");
+
+# Collect target configurations
+
+my $pattern = catfile(dirname($0), "Configurations", "*.conf");
 foreach (sort glob($pattern) ) {
     &read_config($_);
 }
 
 
+print "Configuring OpenSSL version $config{version} (0x$config{version_num})\n";
+
 $config{perl};
 $config{prefix}="";
 $config{openssldir}="";
-my $libdir="";
-my $exe_ext="";
-my $install_prefix= "$ENV{'INSTALL_PREFIX'}";
-my $cross_compile_prefix="";
-my $fipslibdir="/usr/local/ssl/fips-2.0/lib/";
+$config{processor}="";
+$config{libdir}="";
+$config{cross_compile_prefix}="";
+$config{fipslibdir}="/usr/local/ssl/fips-2.0/lib/";
 my $nofipscanistercheck=0;
-my $baseaddr="0xFB00000";
-my $no_threads=0;
+$config{baseaddr}="0xFB00000";
 my $threads=0;
-my $no_shared=0; # but "no-shared" is default
-my $zlib=1;      # but "no-zlib" is default
-my $no_rfc3779=0;
-my $no_asm=0;
-my $no_dso=0;
-my @skip=();
-my $Makefile="Makefile";
-my $processor="";
 my $default_ranlib;
-my $fips=0;
+$config{fips}=0;
+
+# Top level directories to build
+$config{dirs} = [ "crypto", "ssl", "engines", "apps", "test", "tools" ];
+# crypto/ subdirectories to build
+$config{sdirs} = [
+    "objects",
+    "md2", "md4", "md5", "sha", "mdc2", "hmac", "ripemd", "whrlpool", "poly1305",
+    "des", "aes", "rc2", "rc4", "rc5", "idea", "bf", "cast", "camellia", "seed", "chacha", "modes",
+    "bn", "ec", "rsa", "dsa", "dh", "dso", "engine",
+    "buffer", "bio", "stack", "lhash", "rand", "err",
+    "evp", "asn1", "pem", "x509", "x509v3", "conf", "txt_db", "pkcs7", "pkcs12", "comp", "ocsp", "ui",
+    "cms", "ts", "srp", "cmac", "ct", "async", "kdf"
+    ];
 
 # Known TLS and DTLS protocols
 my @tls = qw(ssl3 tls1 tls1_1 tls1_2);
@@ -208,6 +236,9 @@ my @dtls = qw(dtls1 dtls1_2);
 my @disablables = (
     "aes",
     "asm",
+    "async",
+    "autoalginit",
+    "autoerrinit",
     "bf",
     "camellia",
     "capieng",
@@ -217,6 +248,7 @@ my @disablables = (
     "cms",
     "comp",
     "crypto-mdebug",
+    "crypto-mdebug-backtrace",
     "ct",
     "deprecated",
     "des",
@@ -225,21 +257,21 @@ my @disablables = (
     "dsa",
     "dso",
     "dtls",
-    "dynamic[-_]engine",
+    "dynamic-engine",
     "ec",
     "ec2m",
     "ecdh",
     "ecdsa",
     "ec_nistp_64_gcc_128",
+    "egd",
     "engine",
-    "err",                     # Really???
-    "gost",
+    "err",
+    "filenames",
     "heartbeats",
     "hmac",
     "hw(-.+)?",
     "idea",
-    "jpake",
-    "locking",                 # Really???
+    "locking",
     "md2",
     "md4",
     "md5",
@@ -248,6 +280,7 @@ my @disablables = (
     "nextprotoneg",
     "ocb",
     "ocsp",
+    "pic",
     "poly1305",
     "posix-io",
     "psk",
@@ -257,6 +290,7 @@ my @disablables = (
     "rdrand",
     "rfc3779",
     "rijndael",                        # Old AES name
+    "ripemd",
     "rmd160",
     "rsa",
     "scrypt",
@@ -273,9 +307,10 @@ my @disablables = (
     "ssl-trace",
     "static-engine",
     "stdio",
-    "store",
     "threads",
     "tls",
+    "ts",
+    "ui",
     "unit-test",
     "whirlpool",
     "zlib",
@@ -287,38 +322,38 @@ foreach my $proto ((@tls, @dtls))
        push(@disablables, "$proto-method");
        }
 
+my @deprecated_disablables = (
+    "ssl2",
+    );
+
 # All of the following is disabled by default (RC5 was enabled before 0.9.8):
 
-my %disabled = ( # "what"         => "comment" [or special keyword "experimental"]
-                "ec_nistp_64_gcc_128" => "default",
-                "egd"            => "default",
-                "jpake"          => "experimental",
-                "md2"            => "default",
-                "rc5"            => "default",
-                "sctp"           => "default",
-                "shared"         => "default",
-                "ssl-trace"      => "default",
-                "store"          => "experimental",
-                "unit-test"      => "default",
-                "zlib"           => "default",
-                "zlib-dynamic"   => "default",
-                "crypto-mdebug"  => "default",
-              );
-my @experimental = ();
+our %disabled = ( # "what"         => "comment"
+                 "ec_nistp_64_gcc_128" => "default",
+                 "egd"            => "default",
+                 "md2"            => "default",
+                 "rc5"            => "default",
+                 "sctp"           => "default",
+                 "shared"         => "default",
+                 "ssl-trace"      => "default",
+                 "static-engine"  => "default",
+                 "unit-test"      => "default",
+                 "zlib"           => "default",
+                 "crypto-mdebug"  => "default",
+                 "heartbeats"     => "default",
+               );
 
 # Note: => pair form used for aesthetics, not to truly make a hash table
 my @disable_cascades = (
     # "what"           => [ "cascade", ... ]
-    sub { $processor eq "386" }
+    sub { $config{processor} eq "386" }
                        => [ "sse2" ],
     "ssl"              => [ "ssl3" ],
     "ssl3-method"      => [ "ssl3" ],
     "zlib"             => [ "zlib-dynamic" ],
     "rijndael"         => [ "aes" ],
     "des"              => [ "mdc2" ],
-    "ec"               => [ "ecdsa", "ecdh", "gost" ],
-    "dsa"              => [ "gost" ],
-    "dh"               => [ "gost" ],
+    "ec"               => [ "ecdsa", "ecdh" ],
 
     "dgram"            => [ "dtls" ],
     "dtls"             => [ @dtls ],
@@ -345,6 +380,14 @@ my @disable_cascades = (
 
     # SRP and HEARTBEATS require TLSEXT
     "tlsext"           => [ "srp", "heartbeats" ],
+
+    "crypto-mdebug"     => [ "crypto-mdebug-backtrace" ],
+
+    # Without DSO, we can't load dynamic engines, so don't build them dynamic
+    "dso"               => [ "dynamic-engine" ],
+
+    # Without position independent code, there can be no shared libraries or DSOs
+    "pic"               => [ "shared", "dynamic-engine" ],
     );
 
 # Avoid protocol support holes.  Also disable all versions below N, if version
@@ -365,79 +408,102 @@ while ((my $first, my $second) = (shift @list, shift @list)) {
     unshift @list, $second;
 }
 
-# Construct the string of what $depflags should look like with the defaults
-# from %disabled above.  (we need this to see if we should advise the user
-# to run "make depend"):
-my $default_depflags = " ".join(" ",
-    map { my $x = $_; $x =~ tr{[a-z]-}{[A-Z]_}; "-DOPENSSL_NO_$x"; }
-    grep { $disabled{$_} !~ /\(no-depflags\)$/ }
-    sort keys %disabled);
-
 # Explicit "no-..." options will be collected in %disabled along with the defaults.
-# To remove something from %disabled, use "enable-foo" (unless it's experimental).
+# To remove something from %disabled, use "enable-foo".
 # For symmetry, "disable-foo" is a synonym for "no-foo".
 
-# For features called "experimental" here, a more explicit "experimental-foo" is needed to enable.
-# We will collect such requests in @experimental.
-# To avoid accidental use of experimental features, applications will have to use -DOPENSSL_EXPERIMENTAL_FOO.
+my @generated_headers = (
+    "include/openssl/opensslconf.h",
+    "crypto/include/internal/bn_conf.h",
+    "crypto/include/internal/dso_conf.h"
+    );
+
+my @generated_by_make_headers = (
+    "crypto/buildinf.h"
+    );
 
 
 my $no_sse2=0;
 
 &usage if ($#ARGV < 0);
 
-my $flags="";
-my $depflags="";
-my $openssl_experimental_defines="";
-my $openssl_algorithm_defines="";
-my $openssl_thread_defines="";
-my $openssl_sys_defines="";
-my $openssl_other_defines="";
+my $user_cflags="";
+my @user_defines=();
+my $unified = 0;
+$config{openssl_api_defines}=[];
+$config{openssl_algorithm_defines}=[];
+$config{openssl_thread_defines}=[];
+$config{openssl_sys_defines}=[];
+$config{openssl_other_defines}=[];
 my $libs="";
 my $target="";
-my $options="";
-my $api;
-my $make_depend=0;
+$config{options}="";
 my %withargs=();
 my $build_prefix = "release_";
 
 my @argvcopy=@ARGV;
 
 if (grep /^reconf(igure)?$/, @argvcopy) {
-    if (open IN, "<$Makefile") {
-       while (<IN>) {
-           chomp;
-           if (/^CONFIGURE_ARGS=\s*(.*)\s*/) {
-               my $line = $1;
-               if ($line =~ /^\s*\(/) {
-                   # New form perl expression saved in Makefile, eval it
-                   @argvcopy = eval $line;
-               } else {
-                   # Older form, we split the string and hope for the best
-                   @argvcopy = split /\s+/, $line;
-               }
-               die "Incorrect data to reconfigure, please do a normal configuration\n"
-                   if (grep(/^reconf/,@argvcopy));
-           } elsif (/^CROSS_COMPILE=\s*(.*)/) {
-               $ENV{CROSS_COMPILE}=$1;
-           } elsif (/^CC=\s*(?:\$\(CROSS_COMPILE\))?(.*?)$/) {
-               $ENV{CC}=$1;
-           }
+    if (-f "./configdata.pm") {
+       my $file = "./configdata.pm";
+       unless (my $return = do $file) {
+           die "couldn't parse $file: $@" if $@;
+            die "couldn't do $file: $!"    unless defined $return;
+            die "couldn't run $file"       unless $return;
        }
+
+       @argvcopy = defined($configdata::config{perlargv}) ?
+           @{$configdata::config{perlargv}} : ();
+       die "Incorrect data to reconfigure, please do a normal configuration\n"
+           if (grep(/^reconf/,@argvcopy));
+       $ENV{CROSS_COMPILE} = $configdata::config{cross_compile_prefix}
+           if defined($configdata::config{cross_compile_prefix});
+       $ENV{CROSS_COMPILE} = $configdata::config{cc}
+           if defined($configdata::config{cc});
+
        print "Reconfiguring with: ", join(" ",@argvcopy), "\n";
        print "    CROSS_COMPILE = ",$ENV{CROSS_COMPILE},"\n"
            if $ENV{CROSS_COMPILE};
        print "    CC = ",$ENV{CC},"\n" if $ENV{CC};
-       close IN;
+    } elsif (open IN, "<Makefile") {
+        #
+        # THIS SECTION IS TEMPORARY, it helps transitioning from Makefile
+        # centered information gathering the reading configdata.pm
+        #
+        while (<IN>) {
+            s|\R$||;
+            if (/^CONFIGURE_ARGS=\s*(.*)\s*/) {
+                # Older form, we split the string and hope for the best
+                @argvcopy = split /\s+/, $_;
+                die "Incorrect data to reconfigure, please do a normal configuration\n"
+                    if (grep(/^reconf/,@argvcopy));
+            } elsif (/^CROSS_COMPILE=\s*(.*)/) {
+                $ENV{CROSS_COMPILE}=$1;
+            } elsif (/^CC=\s*(?:\$\(CROSS_COMPILE\))?(.*?)$/) {
+                $ENV{CC}=$1;
+            }
+        }
+        #
+        # END OF TEMPORARY SECTION
+        #
     } else {
        die "Insufficient data to reconfigure, please do a normal configuration\n";
     }
 }
 
+$config{perlargv} = [ @argvcopy ];
 
 my %unsupported_options = ();
+my %deprecated_options = ();
 foreach (@argvcopy)
        {
+       # VMS is a case insensitive environment, and depending on settings
+       # out of our control, we may receive options uppercased.  Let's
+       # downcase at least the part before any equal sign.
+       if ($^O eq "VMS")
+               {
+               s/^([^=]*)/lc($1)/e;
+               }
        s /^-no-/no-/; # some people just can't read the instructions
 
        # rewrite some options in "enable-..." form
@@ -447,10 +513,15 @@ foreach (@argvcopy)
        s /^zlib$/enable-zlib/;
        s /^zlib-dynamic$/enable-zlib-dynamic/;
 
-        if (/^(no|disable|enable|experimental)-(.+)$/)
+        if (/^(no|disable|enable)-(.+)$/)
                {
                my $word = $2;
-               if (!grep { $word =~ /^${_}$/ } @disablables)
+               if (grep { $word =~ /^${_}$/ } @deprecated_disablables)
+                       {
+                       $deprecated_options{$_} = 1;
+                       next;
+                       }
+               elsif (!grep { $word =~ /^${_}$/ } @disablables)
                        {
                        $unsupported_options{$_} = 1;
                        next;
@@ -458,52 +529,59 @@ foreach (@argvcopy)
                }
        if (/^no-(.+)$/ || /^disable-(.+)$/)
                {
-               if (!($disabled{$1} eq "experimental"))
-                       {
-                       foreach my $proto ((@tls, @dtls))
-                               {
-                               if ($1 eq "$proto-method")
-                                       {
-                                       $disabled{"$proto"} = "option($proto-method)";
-                                       last;
-                                       }
-                               }
-                       if ($1 eq "dtls")
-                               {
-                                foreach my $proto (@dtls)
-                                       {
-                                       $disabled{$proto} = "option(dtls)";
-                                       }
-                               }
-                       elsif ($1 eq "ssl")
-                               {
-                               # Last one of its kind
-                               $disabled{"ssl3"} = "option(ssl)";
-                               }
-                       elsif ($1 eq "tls")
-                               {
-                                # XXX: Tests will fail if all SSL/TLS
-                                # protocols are disabled.
-                                foreach my $proto (@tls)
-                                       {
-                                       $disabled{$proto} = "option(tls)";
-                                       }
-                               }
-                       else
-                               {
-                               $disabled{$1} = "option";
-                               }
-                       }
+                foreach my $proto ((@tls, @dtls))
+                        {
+                        if ($1 eq "$proto-method")
+                                {
+                                $disabled{"$proto"} = "option($proto-method)";
+                                last;
+                                }
+                        }
+                if ($1 eq "dtls")
+                        {
+                        foreach my $proto (@dtls)
+                                {
+                                $disabled{$proto} = "option(dtls)";
+                                }
+                        }
+                elsif ($1 eq "ssl")
+                        {
+                        # Last one of its kind
+                        $disabled{"ssl3"} = "option(ssl)";
+                        }
+                elsif ($1 eq "tls")
+                        {
+                        # XXX: Tests will fail if all SSL/TLS
+                        # protocols are disabled.
+                        foreach my $proto (@tls)
+                                {
+                                $disabled{$proto} = "option(tls)";
+                                }
+                        }
+                elsif ($1 eq "static-engine")
+                        {
+                        delete $disabled{"dynamic-engine"};
+                        }
+                elsif ($1 eq "dynamic-engine")
+                        {
+                        $disabled{"dynamic-engine"} = "option";
+                        }
+                else
+                        {
+                        $disabled{$1} = "option";
+                        }
                }
-       elsif (/^enable-(.+)$/ || /^experimental-(.+)$/)
+       elsif (/^enable-(.+)$/)
                {
+                if ($1 eq "static-engine")
+                        {
+                        $disabled{"dynamic-engine"} = "option";
+                        }
+                elsif ($1 eq "dynamic-engine")
+                        {
+                        delete $disabled{"dynamic-engine"};
+                        }
                my $algo = $1;
-               if ($disabled{$algo} eq "experimental")
-                       {
-                       die "You are requesting an experimental feature; please say 'experimental-$algo' if you are sure\n"
-                               unless (/^experimental-/);
-                       push @experimental, $algo;
-                       }
                delete $disabled{$algo};
 
                $threads = 1 if ($algo eq "threads");
@@ -521,10 +599,10 @@ foreach (@argvcopy)
                $build_prefix = "release_";
                }
        elsif (/^386$/)
-               { $processor=386; }
+               { $config{processor}=386; }
        elsif (/^fips$/)
                {
-               $fips=1;
+               $config{fips}=1;
                }
        elsif (/^rsaref$/)
                {
@@ -534,50 +612,52 @@ foreach (@argvcopy)
                }
        elsif (/^nofipscanistercheck$/)
                {
-               $fips = 1;
+               $config{fips} = 1;
                $nofipscanistercheck = 1;
                }
        elsif (/^[-+]/)
                {
-               if (/^--prefix=(.*)$/)
+               if (/^--unified$/)
+                       {
+                       $unified=1;
+                       }
+               elsif (/^--prefix=(.*)$/)
                        {
                        $config{prefix}=$1;
+                       die "Directory given with --prefix MUST be absolute\n"
+                               unless file_name_is_absolute($config{prefix});
                        }
                elsif (/^--api=(.*)$/)
                        {
-                       $api=$1;
+                       $config{api}=$1;
                        }
                elsif (/^--libdir=(.*)$/)
                        {
-                       $libdir=$1;
+                       $config{libdir}=$1;
                        }
                elsif (/^--openssldir=(.*)$/)
                        {
                        $config{openssldir}=$1;
                        }
-               elsif (/^--install.prefix=(.*)$/)
-                       {
-                       $install_prefix=$1;
-                       }
                elsif (/^--with-zlib-lib=(.*)$/)
                        {
-                       $withargs{"zlib-lib"}=$1;
+                       $withargs{zlib_lib}=$1;
                        }
                elsif (/^--with-zlib-include=(.*)$/)
                        {
-                       $withargs{"zlib-include"}="-I$1";
+                       $withargs{zlib_include}="-I$1";
                        }
                elsif (/^--with-fipslibdir=(.*)$/)
                        {
-                       $fipslibdir="$1/";
+                       $config{fipslibdir}="$1/";
                        }
                elsif (/^--with-baseaddr=(.*)$/)
                        {
-                       $baseaddr="$1";
+                       $config{baseaddr}="$1";
                        }
                elsif (/^--cross-compile-prefix=(.*)$/)
                        {
-                       $cross_compile_prefix=$1;
+                       $config{cross_compile_prefix}=$1;
                        }
                elsif (/^--config=(.*)$/)
                        {
@@ -587,17 +667,16 @@ foreach (@argvcopy)
                        {
                        $libs.=$_." ";
                        }
+               elsif (/^-D(.*)$/)
+                       {
+                       push @user_defines, $1;
+                       }
                else    # common if (/^[-+]/), just pass down...
                        {
                        $_ =~ s/%([0-9a-f]{1,2})/chr(hex($1))/gei;
-                       $flags.=$_." ";
+                       $user_cflags.=" ".$_;
                        }
                }
-       elsif ($_ =~ /^([^:]+):(.+)$/)
-               {
-               eval "\$table{\$1} = \"$2\""; # allow $xxx constructs in the string
-               $target=$1;
-               }
        else
                {
                die "target already defined - $target (offending arg: $_)\n" if ($target ne "");
@@ -610,16 +689,21 @@ foreach (@argvcopy)
                # we really only write OPTIONS to the Makefile out of
                # nostalgia.)
 
-               if ($options eq "")
-                       { $options = $_; }
+               if ($config{options} eq "")
+                       { $config{options} = $_; }
                else
-                       { $options .= " ".$_; }
+                       { $config{options} .= " ".$_; }
                }
 
-        if (defined($api) && !exists $apitable->{$api}) {
-               die "***** Unsupported api compatibility level: $api\n",
+        if (defined($config{api}) && !exists $apitable->{$config{api}}) {
+               die "***** Unsupported api compatibility level: $config{api}\n",
         }
 
+       if (keys %deprecated_options)
+               {
+               warn "***** Deprecated options: ",
+                       join(", ", keys %deprecated_options), "\n";
+               }
        if (keys %unsupported_options)
                {
                die "***** Unsupported options: ",
@@ -627,10 +711,14 @@ foreach (@argvcopy)
                }
        }
 
-if ($fips)
+if ($config{fips})
        {
        delete $disabled{"shared"} if ($disabled{"shared"} =~ /^default/);
        }
+else
+       {
+       @{$config{dirs}} = grep !/^fips$/, @{$config{dirs}};
+       }
 
 my @tocheckfor = (keys %disabled);
 while (@tocheckfor) {
@@ -676,70 +764,64 @@ if ($target =~ m/^CygWin32(-.*)$/) {
 
 foreach (sort (keys %disabled))
        {
-       $options .= " no-$_";
+       $config{options} .= " no-$_";
 
        printf "    no-%-12s %-10s", $_, "[$disabled{$_}]";
 
        if (/^dso$/)
-               { $no_dso = 1; }
+               { }
        elsif (/^threads$/)
-               { $no_threads = 1; }
+               { }
        elsif (/^shared$/)
-               { $no_shared = 1; }
+               { }
+       elsif (/^pic$/)
+               { }
        elsif (/^zlib$/)
-               { $zlib = 0; }
-       elsif (/^static-engine$/)
+               { }
+       elsif (/^dynamic-engine$/)
                { }
        elsif (/^zlib-dynamic$/)
                { }
        elsif (/^sse2$/)
                { $no_sse2 = 1; }
+       elsif (/^engine$/)
+               {
+               @{$config{dirs}} = grep !/^engines$/, @{$config{dirs}};
+               @{$config{sdirs}} = grep !/^engine$/, @{$config{sdirs}};
+               push @{$config{openssl_other_defines}}, "OPENSSL_NO_ENGINE";
+               }
        else
                {
                my ($ALGO, $algo);
                ($ALGO = $algo = $_) =~ tr/[\-a-z]/[_A-Z]/;
 
-               if (/^asm$/ || /^err$/ || /^hw$/ || /^hw-/)
+               if (/^asm$/ || /^err$/ || /^hw$/ || /^hw-/ || /^async$/
+                               || /^autoalginit/ || /^autoerrinit/)
                        {
-                       $openssl_other_defines .= "#define OPENSSL_NO_$ALGO\n";
+                       push @{$config{openssl_other_defines}}, "OPENSSL_NO_$ALGO";
                        print " OPENSSL_NO_$ALGO";
 
-                       if (/^err$/)    { $flags .= "-DOPENSSL_NO_ERR "; }
-                       elsif (/^asm$/) { $no_asm = 1; }
+                       if (/^err$/)    { push @user_defines, "OPENSSL_NO_ERR"; }
                        }
                else
                        {
                        ($ALGO,$algo) = ("RMD160","rmd160") if ($algo eq "ripemd");
 
-                       $openssl_algorithm_defines .= "#define OPENSSL_NO_$ALGO\n";
+                       push @{$config{openssl_algorithm_defines}}, "OPENSSL_NO_$ALGO";
                        print " OPENSSL_NO_$ALGO";
 
-                       push @skip, $algo;
                        # fix-up crypto/directory name(s)
-                       $skip[$#skip]="whrlpool" if $algo eq "whirlpool";
-                       $skip[$#skip]="ripemd" if $algo eq "rmd160";
+                       $algo="whrlpool" if $algo eq "whirlpool";
+                       $algo="ripemd" if $algo eq "rmd160";
+                       @{$config{sdirs}} = grep { $_ ne $algo} @{$config{sdirs}};
 
                        print " (skip dir)";
-
-                       $depflags .= " -DOPENSSL_NO_$ALGO";
                        }
                }
 
        print "\n";
        }
 
-my $exp_cflags = "";
-
-foreach (sort @experimental)
-       {
-       my $ALGO;
-       ($ALGO = $_) =~ tr/[a-z]/[A-Z]/;
-
-       # opensslconf.h will set OPENSSL_NO_... unless OPENSSL_EXPERIMENTAL_... is defined
-       $openssl_experimental_defines .= "#define OPENSSL_NO_$ALGO\n";
-       $exp_cflags .= " -DOPENSSL_EXPERIMENTAL_$ALGO";
-       }
-
 print "Configuring for $target\n";
 
 # Support for legacy targets having a name starting with 'debug-'
@@ -754,76 +836,90 @@ if ($d) {
 }
 $config{target} = $target;
 delete $table{$base_target}->{template}; # or the next test will fail.
-my %target = ( %{$table{$base_target}}, resolve_config($target) );
+my %target = resolve_config($target);
 
 &usage if (!%target || $target{template});
 
-$exe_ext=".exe" if ($target eq "Cygwin" || $target eq "DJGPP" || $target =~ /^mingw/);
-$exe_ext=".nlm" if ($target =~ /netware/);
-$exe_ext=".pm"  if ($target =~ /vos/);
+# Set up defaults
+my %target = ( %{$table{$base_target}}, %target );
+
+$target{exe_extension}="";
+$target{exe_extension}=".exe" if ($config{target} eq "DJGPP"
+                                  || $config{target} =~ /^(?:Cygwin|mingw)/);
+$target{exe_extension}=".nlm" if ($config{target} =~ /netware/);
+$target{exe_extension}=".pm"  if ($config{target} =~ /vos/);
+
+($target{shared_extension_simple}=$target{shared_extension})
+    =~ s|\.\$\(SHLIB_MAJOR\)\.\$\(SHLIB_MINOR\)||;
+$target{dso_extension}=$target{shared_extension_simple};
+($target{shared_import_extension}=$target{shared_extension_simple}.".a")
+    if ($config{target} =~ /^(?:Cygwin|mingw)/);
+
 
 $default_ranlib        = which("ranlib") || "true";
 $config{perl}  = $ENV{'PERL'} || which("perl5") || which("perl") || "perl";
 my $make       = $ENV{'MAKE'} || "make";
 
-$cross_compile_prefix=$ENV{'CROSS_COMPILE'} if $cross_compile_prefix eq "";
-
-$config{prefix} = "/usr/local" if !$config{prefix};
-$config{openssldir} = "ssl" if !$config{openssldir};
-$config{openssldir} = catdir($config{prefix}, $config{openssldir})
-    unless file_name_is_absolute($config{openssldir});
-
+$config{cross_compile_prefix} = $ENV{'CROSS_COMPILE'}
+    if $config{cross_compile_prefix} eq "";
 
 # Allow environment CC to override compiler...
 $target{cc} = $ENV{CC} || $target{cc};
 
-# For cflags and lflags, add the debug_ or release_ attributes
+# For cflags, lflags, plib_lflags, ex_libs and defines, add the debug_
+# or release_ attributes.
 # Do it in such a way that no spurious space is appended (hence the grep).
-my $cflags = join(" ",
-                 grep { $_ } ($target{cflags},
-                              $target{$build_prefix."cflags"}));
-my $lflags = join(" ",
-                 grep { $_ } ($target{lflags},
-                              $target{$build_prefix."lflags"}));
+$config{defines} = [ @{$target{defines}},
+                     @{$target{$build_prefix."defines"}} ];
+$config{cflags} = join(" ",
+                      grep { $_ ne "" } ($target{cflags},
+                                         $target{$build_prefix."cflags"}));
+$config{lflags} = join(" ",
+                      grep { $_ ne "" } ($target{lflags},
+                                         $target{$build_prefix."lflags"}));
+$config{plib_lflags} = join(" ",
+                           grep { $_  ne "" } ($target{plib_lflags},
+                                               $target{$build_prefix."plib_lflags"}));
+$config{ex_libs} = join(" ",
+                       grep { $_  ne "" } ($target{ex_libs},
+                                           $target{$build_prefix."ex_libs"}));
 
 $target{ranlib} = $ENV{'RANLIB'} || $target{ranlib} || $default_ranlib;
 $target{ar} = $ENV{'AR'} || "ar";
+$target{arflags} = "" if !defined($target{arflags});
+$target{nm} = "nm";
 # Make sure build_scheme is consistent.
 $target{build_scheme} = [ $target{build_scheme} ]
     if ref($target{build_scheme}) ne "ARRAY";
 
-# if $config{prefix}/lib$target{multilib} is not an existing directory, then
-# assume that it's not searched by linker automatically, in
-# which case adding $target{multilib} suffix causes more grief than
-# we're ready to tolerate, so don't...
-$target{multilib}="" if !-d "$config{prefix}/lib$target{multilib}";
-
-$libdir="lib$target{multilib}" if $libdir eq "";
-
-$cflags = "$cflags$exp_cflags";
+###### TO BE REMOVED BEFORE FINAL RELEASE
+######
+###### If the user has chosen --unified, we give it to them.
+###### The same happens if we detect that they try to build out-of-source.
+if ($target{build_file} eq "Makefile"
+    && $target{build_scheme}->[0] eq "unixmake"
+    && ($unified || $srcdir ne $blddir)) {
+    $target{build_scheme} = [ "unified", "unix" ];
+}
 
-# '%' in $lflags is used to split flags to "pre-" and post-flags
-my ($prelflags,$postlflags)=split('%',$lflags);
-if (defined($postlflags))      { $lflags=$postlflags;  }
-else                           { $lflags=$prelflags; undef $prelflags; }
+my ($builder, $builder_platform, @builder_opts) =
+    @{$target{build_scheme}};
 
-if ($target =~ /^mingw/ && `$target{cc} --target-help 2>&1` !~ m/\-mno\-cygwin/m)
+if ($target =~ /^mingw/ && `$target{cc} --target-help 2>&1` =~ m/-mno-cygwin/m)
        {
-       $cflags =~ s/\-mno\-cygwin\s*//;
-       $target{shared_ldflag} =~ s/\-mno\-cygwin\s*//;
+       $config{cflags} .= " -mno-cygwin";
+       $target{shared_ldflag} .= " -mno-cygwin";
        }
 
-if ($target =~ /linux.*\-mips/ && !$no_asm && $flags !~ /\-m(ips|arch=)/) {
+if ($target =~ /linux.*-mips/ && !$disabled{asm} && $user_cflags !~ /-m(ips|arch=)/) {
        # minimally required architecture flags for assembly modules
-       $cflags="-mips2 $cflags" if ($target =~ /mips32/);
-       $cflags="-mips3 $cflags" if ($target =~ /mips64/);
+       $config{cflags}="-mips2 $config{cflags}" if ($target =~ /mips32/);
+       $config{cflags}="-mips3 $config{cflags}" if ($target =~ /mips64/);
 }
 
 my $no_shared_warn=0;
 my $no_user_cflags=0;
-
-if ($flags ne "")      { $cflags="$flags$cflags"; }
-else                   { $no_user_cflags=1;       }
+my $no_user_defines=0;
 
 # The DSO code currently always implements all functions so that no
 # applications will have to worry about that from a compilation point
@@ -831,28 +927,28 @@ else                      { $no_user_cflags=1;       }
 # has support compiled in for them. Currently each method is enabled
 # by a define "DSO_<name>" ... we translate the "dso_scheme" config
 # string entry into using the following logic;
-my $dso_cflags;
-if (!$no_dso && $target{dso_scheme} ne "")
+if (!$disabled{dso} && $target{dso_scheme} ne "")
        {
        $target{dso_scheme} =~ tr/[a-z]/[A-Z]/;
        if ($target{dso_scheme} eq "DLFCN")
                {
-               $dso_cflags = "-DDSO_DLFCN -DHAVE_DLFCN_H";
+               $config{defines} = [ "DSO_DLFCN", "HAVE_DLFCN_H",
+                                    @{$config{defines}} ]
                }
        elsif ($target{dso_scheme} eq "DLFCN_NO_H")
                {
-               $dso_cflags = "-DDSO_DLFCN";
+               $config{defines} = [ "DSO_DLFCN", @{$config{defines}} ]
                }
        else
                {
-               $dso_cflags = "-DDSO_$target{dso_scheme}";
+               $config{defines} = [ "DSO_$target{dso_scheme}",
+                                    @{$config{defines}} ]
                }
-       $cflags = "$dso_cflags $cflags";
        }
 
-my $thread_cflags;
-my $thread_defines;
-if ($target{thread_cflag} ne "(unknown)" && !$no_threads)
+my $thread_cflags = "";
+my @thread_defines;
+if ($target{thread_cflag} ne "(unknown)" && !$disabled{threads})
        {
        # If we know how to do it, support threads by default.
        $threads = 1;
@@ -862,150 +958,96 @@ if ($target{thread_cflag} eq "(unknown)" && $threads)
        # If the user asked for "threads", [s]he is also expected to
        # provide any system-dependent compiler options that are
        # necessary.
-       if ($no_user_cflags)
+       if ($no_user_cflags && $no_user_defines)
                {
                print "You asked for multi-threading support, but didn't\n";
                print "provide any system-specific compiler options\n";
                exit(1);
                }
-       $thread_cflags="-DOPENSSL_THREADS $cflags" ;
-       $thread_defines .= "#define OPENSSL_THREADS\n";
+       push @thread_defines, "OPENSSL_THREADS";
        }
 else
        {
-       $thread_cflags="-DOPENSSL_THREADS $target{thread_cflag} $cflags";
-       $thread_defines .= "#define OPENSSL_THREADS\n";
-#      my $def;
-#      foreach $def (split ' ',$target{thread_cflag})
-#              {
-#              if ($def =~ s/^-D// && $def !~ /^_/)
-#                      {
-#                      $thread_defines .= "#define $def\n";
-#                      }
-#              }
+       $thread_cflags=" $target{thread_cflag}";
+       push @thread_defines, @{$target{thread_defines}}, "OPENSSL_THREADS";
        }
 
-$lflags="$libs$lflags" if ($libs ne "");
+$config{ex_libs}="$libs$config{ex_libs}" if ($libs ne "");
 
-if ($no_asm)
+if ($disabled{asm})
        {
-       $cflags=~s/\-D[BL]_ENDIAN//             if ($fips);
-       $thread_cflags=~s/\-D[BL]_ENDIAN//      if ($fips);
+       @{$config{defines}} = grep !/^[BL]_ENDIAN$/, @{$config{defines}}
+           if ($config{fips});
        }
 
 if ($threads)
        {
-       $cflags=$thread_cflags;
-       $openssl_thread_defines .= $thread_defines;
+       $config{cflags} = "$thread_cflags $config{cflags}" if $thread_cflags;
+       push @{$config{defines}}, @thread_defines;
+       push @{$config{openssl_thread_defines}}, @thread_defines;
        }
 
-if ($zlib)
+unless ($disabled{zlib})
        {
-       $cflags = "-DZLIB $cflags";
+       push @{$config{defines}}, "ZLIB";
        if (defined($disabled{"zlib-dynamic"}))
                {
-               if (defined($withargs{"zlib-lib"}))
+               if (defined($withargs{zlib_lib}))
                        {
-                       $lflags = "$lflags -L" . $withargs{"zlib-lib"} . " -lz";
+                       $config{ex_libs} .= " -L" . $withargs{zlib_lib} . " -lz";
                        }
                else
                        {
-                       $lflags = "$lflags -lz";
+                       $config{ex_libs} .= " -lz";
                        }
                }
        else
                {
-               $cflags = "-DZLIB_SHARED $cflags";
+               push @{$config{defines}}, "ZLIB_SHARED";
                }
        }
 
 # With "deprecated" disable all deprecated features.
 if (defined($disabled{"deprecated"})) {
-        $api = $maxapi;
+        $config{api} = $maxapi;
 }
 
-# You will find shlib_mark1 and shlib_mark2 explained in Makefile.in
-my $shared_mark = "";
 if ($target{shared_target} eq "")
        {
-       $no_shared_warn = 1 if !$no_shared && !$fips;
-       $no_shared = 1;
-       }
-if (!$no_shared)
-       {
-       if ($target{shared_cflag} ne "")
-               {
-               $cflags = "$target{shared_cflag} -DOPENSSL_PIC $cflags";
-               }
+       $no_shared_warn = 1
+           if ((!$disabled{shared} || !$disabled{"dynamic-engine"})
+               && !$config{fips});
+       $disabled{shared} = "no-shared-target";
+       $disabled{pic} = $disabled{shared} = $disabled{"dynamic-engine"} =
+           "no-shared-target";
        }
 
-if ($target{build_scheme}->[0] ne "mk1mf")
-       {
-       # add {no-}static-engine to options to allow mkdef.pl to work without extra arguments
-       if ($no_shared)
-               {
-               $openssl_other_defines.="#define OPENSSL_NO_DYNAMIC_ENGINE\n";
-               $options.=" static-engine";
-               }
-       else
-               {
-               $openssl_other_defines.="#define OPENSSL_NO_STATIC_ENGINE\n";
-               $options.=" no-static-engine";
-               }
-       }
+if ($disabled{"dynamic-engine"}) {
+        push @{$config{defines}}, "OPENSSL_NO_DYNAMIC_ENGINE";
+        $config{dynamic_engines} = 0;
+} else {
+        push @{$config{defines}}, "OPENSSL_NO_STATIC_ENGINE";
+        $config{dynamic_engines} = 1;
+}
 
 #
 # Platform fix-ups
 #
-if ($target =~ /\-icc$/)       # Intel C compiler
+
+# This saves the build files from having to check
+if ($disabled{pic})
        {
-       my $iccver=0;
-       if (open(FD,"$target{cc} -V 2>&1 |"))
-               {
-               while(<FD>) { $iccver=$1 if (/Version ([0-9]+)\./); }
-               close(FD);
-               }
-       if ($iccver>=8)
-               {
-               $cflags=~s/\-KPIC/-fPIC/;
-               # Eliminate unnecessary dependency from libirc.a. This is
-               # essential for shared library support, as otherwise
-               # apps/openssl can end up in endless loop upon startup...
-               $cflags.=" -Dmemcpy=__builtin_memcpy -Dmemset=__builtin_memset";
-               }
-       if ($iccver>=9)
-               {
-               $lflags.=" -i-static";
-               $lflags=~s/\-no_cpprt/-no-cpprt/;
-               }
-       if ($iccver>=10)
-               {
-               $lflags=~s/\-i\-static/-static-intel/;
-               }
-       if ($iccver>=11)
-               {
-               $cflags.=" -no-intel-extensions";       # disable Cilk
-               $lflags=~s/\-no\-cpprt/-no-cxxlib/;
-               }
+       $target{shared_cflag} = $target{shared_ldflag} =
+               $target{shared_rcflag} = "";
        }
-
-# Unlike other OSes (like Solaris, Linux, Tru64, IRIX) BSD run-time
-# linkers (tested OpenBSD, NetBSD and FreeBSD) "demand" RPATH set on
-# .so objects. Apparently application RPATH is not global and does
-# not apply to .so linked with other .so. Problem manifests itself
-# when libssl.so fails to load libcrypto.so. One can argue that we
-# should engrave this into Makefile.shared rules or into BSD-* config
-# lines above. Meanwhile let's try to be cautious and pass -rpath to
-# linker only when --prefix is not /usr.
-if ($target =~ /^BSD\-/)
+else
        {
-       $target{shared_ldflag}.=" -Wl,-rpath,\$\$(LIBRPATH)" if ($config{prefix} !~ m|^/usr[/]*$|);
+       push @{$config{defines}}, "OPENSSL_PIC";
        }
 
 if ($target{sys_id} ne "")
        {
-       #$cflags="-DOPENSSL_SYS_$target{sys_id} $cflags";
-       $openssl_sys_defines="#define OPENSSL_SYS_$target{sys_id}\n";
+       push @{$config{openssl_sys_defines}}, "OPENSSL_SYS_$target{sys_id}";
        }
 
 if ($target{ranlib} eq "")
@@ -1013,143 +1055,543 @@ if ($target{ranlib} eq "")
        $target{ranlib} = $default_ranlib;
        }
 
-if (!$no_asm) {
-    $target{cpuid_obj}=$table{BASE}->{cpuid_obj} if ($processor eq "386");
-    $target{cpuid_obj}.=" uplink.o uplink-x86.o" if ($cflags =~ /\-DOPENSSL_USE_APPLINK/);
-
-    $target{bn_obj} =~ s/\w+-gf2m.o// if (defined($disabled{ec2m}));
+unless ($disabled{asm}) {
+    $target{cpuid_asm_src}=$table{BASE}->{cpuid_asm_src} if ($config{processor} eq "386");
+    $target{bn_asm_src} =~ s/\w+-gf2m.c// if (defined($disabled{ec2m}));
 
     # bn-586 is the only one implementing bn_*_part_words
-    $cflags.=" -DOPENSSL_BN_ASM_PART_WORDS" if ($target{bn_obj} =~ /bn-586/);
-    $cflags.=" -DOPENSSL_IA32_SSE2" if (!$no_sse2 && $target{bn_obj} =~ /86/);
+    push @{$config{defines}}, "OPENSSL_BN_ASM_PART_WORDS" if ($target{bn_asm_src} =~ /bn-586/);
+    push @{$config{defines}}, "OPENSSL_IA32_SSE2" if (!$no_sse2 && $target{bn_asm_src} =~ /86/);
 
-    $cflags.=" -DOPENSSL_BN_ASM_MONT" if ($target{bn_obj} =~ /-mont/);
-    $cflags.=" -DOPENSSL_BN_ASM_MONT5" if ($target{bn_obj} =~ /-mont5/);
-    $cflags.=" -DOPENSSL_BN_ASM_GF2m" if ($target{bn_obj} =~ /-gf2m/);
+    push @{$config{defines}}, "OPENSSL_BN_ASM_MONT" if ($target{bn_asm_src} =~ /-mont/);
+    push @{$config{defines}}, "OPENSSL_BN_ASM_MONT5" if ($target{bn_asm_src} =~ /-mont5/);
+    push @{$config{defines}}, "OPENSSL_BN_ASM_GF2m" if ($target{bn_asm_src} =~ /-gf2m/);
 
-    if ($fips) {
-       $openssl_other_defines.="#define OPENSSL_FIPS\n";
+    if ($config{fips}) {
+       push @{$config{openssl_other_defines}}, "OPENSSL_FIPS";
     }
 
-    if ($target{sha1_obj} =~ /\.o$/) {
-       $cflags.=" -DSHA1_ASM"   if ($target{sha1_obj} =~ /sx86/ || $target{sha1_obj} =~ /sha1/);
-       $cflags.=" -DSHA256_ASM" if ($target{sha1_obj} =~ /sha256/);
-       $cflags.=" -DSHA512_ASM" if ($target{sha1_obj} =~ /sha512/);
-       if ($target{sha1_obj} =~ /sse2/) {
-           if ($no_sse2) {
-               $target{sha1_obj} =~ s/\S*sse2\S+//;
-           } elsif ($cflags !~ /OPENSSL_IA32_SSE2/) {
-               $cflags.=" -DOPENSSL_IA32_SSE2";
-           }
-       }
+    if ($target{sha1_asm_src}) {
+       push @{$config{defines}}, "SHA1_ASM"   if ($target{sha1_asm_src} =~ /sx86/ || $target{sha1_asm_src} =~ /sha1/);
+       push @{$config{defines}}, "SHA256_ASM" if ($target{sha1_asm_src} =~ /sha256/);
+       push @{$config{defines}}, "SHA512_ASM" if ($target{sha1_asm_src} =~ /sha512/);
     }
-    if ($target{md5_obj} =~ /\.o$/) {
-       $cflags.=" -DMD5_ASM";
+    if ($target{md5_asm_src}) {
+       push @{$config{defines}}, "MD5_ASM";
     }
-    $target{cast_obj}=$table{BASE}->{cast_obj} if (!$no_shared); # CAST assembler is not PIC
-    if ($target{rmd160_obj} =~ /\.o$/) {
-       $cflags.=" -DRMD160_ASM";
+    $target{cast_asm_src}=$table{BASE}->{cast_asm_src} unless $disabled{pic}; # CAST assembler is not PIC
+    if ($target{rmd160_asm_src}) {
+       push @{$config{defines}}, "RMD160_ASM";
     }
-    if ($target{aes_obj} =~ /\.o$/) {
-       $cflags.=" -DAES_ASM" if ($target{aes_obj} =~ m/\baes\-/);;
-       # aes-ctr.o is not a real file, only indication that assembler
+    if ($target{aes_asm_src}) {
+       push @{$config{defines}}, "AES_ASM" if ($target{aes_asm_src} =~ m/\baes-/);;
+       # aes-ctr.fake is not a real file, only indication that assembler
        # module implements AES_ctr32_encrypt...
-       $cflags.=" -DAES_CTR_ASM" if ($target{aes_obj} =~ s/\s*aes\-ctr\.o//);
-       # aes-xts.o indicates presence of AES_xts_[en|de]crypt...
-       $cflags.=" -DAES_XTS_ASM" if ($target{aes_obj} =~ s/\s*aes\-xts\.o//);
-       $target{aes_obj} =~ s/\s*(vpaes|aesni)\-x86\.o//g if ($no_sse2);
-       $cflags.=" -DVPAES_ASM" if ($target{aes_obj} =~ m/vpaes/);
-       $cflags.=" -DBSAES_ASM" if ($target{aes_obj} =~ m/bsaes/);
+       push @{$config{defines}}, "AES_CTR_ASM" if ($target{aes_asm_src} =~ s/\s*aes-ctr\.fake//);
+       # aes-xts.fake indicates presence of AES_xts_[en|de]crypt...
+       push @{$config{defines}}, "AES_XTS_ASM" if ($target{aes_asm_src} =~ s/\s*aes-xts\.fake//);
+       $target{aes_asm_src} =~ s/\s*(vpaes|aesni)-x86\.s//g if ($no_sse2);
+       push @{$config{defines}}, "VPAES_ASM" if ($target{aes_asm_src} =~ m/vpaes/);
+       push @{$config{defines}}, "BSAES_ASM" if ($target{aes_asm_src} =~ m/bsaes/);
     }
-    if ($target{wp_obj} =~ /mmx/ && $processor eq "386") {
-       $target{wp_obj}=$table{BASE}->{wp_obj};
-    } elsif (!$disabled{"whirlpool"}) {
-       $cflags.=" -DWHIRLPOOL_ASM";
+    if ($target{wp_asm_src} =~ /mmx/) {
+        if ($config{processor} eq "386") {
+           $target{wp_asm_src}=$table{BASE}->{wp_asm_src};
+       } elsif (!$disabled{"whirlpool"}) {
+           $config{cflags}.=" -DWHIRLPOOL_ASM";
+       }
     }
-    if ($target{modes_obj} =~ /ghash\-/) {
-       $cflags.=" -DGHASH_ASM";
+    if ($target{modes_asm_src} =~ /ghash-/) {
+       push @{$config{defines}}, "GHASH_ASM";
     }
-    if ($target{ec_obj} =~ /ecp_nistz256/) {
-       $cflags.=" -DECP_NISTZ256_ASM";
+    if ($target{ec_asm_src} =~ /ecp_nistz256/) {
+       push @{$config{defines}}, "ECP_NISTZ256_ASM";
     }
-    if ($target{poly1305_obj} =~ /\.o$/) {
-       $cflags.=" -DPOLY1305_ASM";
+    if ($target{poly1305_asm_src} ne "") {
+       push @{$config{defines}}, "POLY1305_ASM";
     }
 }
 
-# "Stringify" the C flags string.  This permits it to be made part of a string
-# and works as well on command lines.
-$cflags =~ s/([\\\"])/\\\1/g;
-
-my $version = "unknown";
-my $version_num = "unknown";
-my $major = "unknown";
-my $minor = "unknown";
-my $shlib_version_number = "unknown";
-my $shlib_version_history = "unknown";
-my $shlib_major = "unknown";
-my $shlib_minor = "unknown";
-
-open(IN,'<include/openssl/opensslv.h') || die "unable to read opensslv.h:$!\n";
-while (<IN>)
-       {
-       $version=$1 if /OPENSSL.VERSION.TEXT.*OpenSSL (\S+) /;
-       $version_num=$1 if /OPENSSL.VERSION.NUMBER.*(0x\S+)/;
-       $shlib_version_number=$1 if /SHLIB_VERSION_NUMBER *"([^"]+)"/;
-       $shlib_version_history=$1 if /SHLIB_VERSION_HISTORY *"([^"]*)"/;
-       }
-close(IN);
-if ($shlib_version_history ne "") { $shlib_version_history .= ":"; }
-
-if ($version =~ /(^[0-9]*)\.([0-9\.]*)/)
-       {
-       $major=$1;
-       $minor=$2;
-       }
+my $ecc = $target{cc};
+if ($^O ne "VMS") {
+    # Is the compiler gcc or clang?  $ecc is used below to see if
+    # error-checking can be turned on.
+    my $ccpcc = "$config{cross_compile_prefix}$target{cc}";
+    $config{makedepprog} = 'makedepend';
+    open(PIPE, "$ccpcc --version 2>&1 | head -2 |");
+    while ( <PIPE> ) {
+        $config{makedepprog} = $ccpcc if /clang|gcc/;
+        $ecc = "clang" if /clang/;
+        $ecc = "gcc" if /gcc/;
+    }
+    close(PIPE);
+}
 
-if ($shlib_version_number =~ /(^[0-9]*)\.([0-9\.]*)/)
-       {
-       $shlib_major=$1;
-       $shlib_minor=$2;
-       }
 
-if (defined($api)) {
-    my $apiflag = sprintf("-DOPENSSL_API_COMPAT=%s", $apitable->{$api});
-    $default_depflags .= " $apiflag";
-    $cflags .= " $apiflag";
+# Deal with bn_ops ###################################################
+
+$config{bn_ll}                 =0;
+$config{export_var_as_fn}      =0;
+my $def_int="unsigned int";
+$config{rc4_int}               =$def_int;
+($config{b64l},$config{b64},$config{b32})=(0,0,1);
+
+my $count = 0;
+foreach (sort split(/\s+/,$target{bn_ops})) {
+    $count++ if /SIXTY_FOUR_BIT|SIXTY_FOUR_BIT_LONG|THIRTY_TWO_BIT/;
+    $config{export_var_as_fn}=1                 if $_ eq 'EXPORT_VAR_AS_FN';
+    $config{bn_ll}=1                           if $_ eq 'BN_LLONG';
+    $config{rc4_int}="unsigned char"           if $_ eq 'RC4_CHAR';
+    ($config{b64l},$config{b64},$config{b32})
+       =(0,1,0)                                if $_ eq 'SIXTY_FOUR_BIT';
+    ($config{b64l},$config{b64},$config{b32})
+       =(1,0,0)                                if $_ eq 'SIXTY_FOUR_BIT_LONG';
+    ($config{b64l},$config{b64},$config{b32})
+       =(0,0,1)                                if $_ eq 'THIRTY_TWO_BIT';
 }
+die "Exactly one of SIXTY_FOUR_BIT|SIXTY_FOUR_BIT_LONG|THIRTY_TWO_BIT can be set in bn_ops\n"
+    if $count > 1;
 
-my $ecc = $target{cc};
-$ecc = "clang" if `$target{cc} --version 2>&1` =~ /clang/;
+
+# Hack cflags for better warnings (dev option) #######################
+
+# "Stringify" the C flags string.  This permits it to be made part of a string
+# and works as well on command lines.
+$config{cflags} =~ s/([\\\"])/\\\1/g;
+
+if (defined($config{api})) {
+    $config{openssl_api_defines} = [ "OPENSSL_MIN_API=".$apitable->{$config{api}} ];
+    my $apiflag = sprintf("OPENSSL_API_COMPAT=%s", $apitable->{$config{api}});
+    push @{$config{defines}}, $apiflag;
+}
 
 if ($strict_warnings)
        {
        my $wopt;
-       die "ERROR --strict-warnings requires gcc or clang" unless ($ecc =~ /gcc(-\d(\.\d)*)?$/ or $ecc =~ /clang$/);
+       die "ERROR --strict-warnings requires gcc or clang"
+            unless $ecc eq 'gcc' || $ecc eq 'clang';
        foreach $wopt (split /\s+/, $gcc_devteam_warn)
                {
-               $cflags .= " $wopt" unless ($cflags =~ /(^|\s)$wopt(\s|$)/)
+               $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
                }
        if ($ecc eq "clang")
                {
                foreach $wopt (split /\s+/, $clang_devteam_warn)
                        {
-                       $cflags .= " $wopt" unless ($cflags =~ /(^|\s)$wopt(\s|$)/)
+                       $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
                        }
                }
-       if ($target !~ /^mingw/)
+       }
+
+unless ($disabled{"crypto-mdebug-backtrace"})
+       {
+       foreach my $wopt (split /\s+/, $memleak_devteam_backtrace)
                {
-               foreach $wopt (split /\s+/, $memleak_devteam_backtrace)
-                       {
-                       $cflags .= " $wopt" unless ($cflags =~ /(^|\s)$wopt(\s|$)/)
-                       }
-               if ($target =~ /^BSD-/)
-                       {
-                       $lflags .= " -lexecinfo";
-                       }
+               $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
+               }
+       if ($target =~ /^BSD-/)
+               {
+               $config{ex_libs} .= " -lexecinfo";
                }
        }
 
+if ($user_cflags ne "") { $config{cflags}="$config{cflags}$user_cflags"; }
+else                    { $no_user_cflags=1;  }
+if (@user_defines) { $config{defines}=[ @{$config{defines}}, @user_defines ]; }
+else               { $no_user_defines=1;    }
+
+# ALL MODIFICATIONS TO %config and %target MUST BE DONE FROM HERE ON
+
+# If we use the unified build, collect information from build.info files
+my %unified_info = ();
+
+if ($builder eq "unified") {
+    # Store the name of the template file we will build the build file from
+    # in %config.  This may be useful for the build file itself.
+    my $build_file_template =
+        catfile($srcdir, "Configurations",
+                $builder_platform."-".$target{build_file}.".tmpl");
+    $build_file_template =
+        catfile($srcdir, "Configurations", $target{build_file}.".tmpl")
+        if (! -f $build_file_template);
+    $config{build_file_template} = $build_file_template;
+
+    use lib catdir(dirname(__FILE__),"util");
+    use with_fallback qw(Text::Template);
+
+    sub cleandir {
+        my $base = shift;
+        my $dir = shift;
+        my $relativeto = shift || ".";
+
+        $dir = catdir($base,$dir) unless isabsolute($dir);
+
+        # Make sure the directories we're building in exists
+        mkpath($dir);
+
+        my $res = abs2rel(absolutedir($dir), rel2abs($relativeto));
+        #print STDERR "DEBUG[cleandir]: $dir , $base => $res\n";
+        return $res;
+    }
+
+    sub cleanfile {
+        my $base = shift;
+        my $file = shift;
+        my $relativeto = shift || ".";
+
+        $file = catfile($base,$file) unless isabsolute($file);
+
+        my $d = dirname($file);
+        my $f = basename($file);
+
+        # Make sure the directories we're building in exists
+        mkpath($d);
+
+        my $res = abs2rel(catfile(absolutedir($d), $f), rel2abs($relativeto));
+        #print STDERR "DEBUG[cleanfile]: $d , $f => $res\n";
+        return $res;
+    }
+
+    my @build_infos = ( [ ".", "build.info" ] );
+    foreach (@{$config{dirs}}) {
+        push @build_infos, [ $_, "build.info" ]
+            if (-f catfile($srcdir, $_, "build.info"));
+    }
+    foreach (@{$config{sdirs}}) {
+        push @build_infos, [ catdir("crypto", $_), "build.info" ]
+            if (-f catfile($srcdir, "crypto", $_, "build.info"));
+    }
+    foreach (@{$config{engdirs}}) {
+        push @build_infos, [ catdir("engines", $_), "build.info" ]
+            if (-f catfile($srcdir, "engines", $_, "build.info"));
+    }
+
+    $config{build_infos} = [ ];
+
+    foreach (@build_infos) {
+        my $sourced = catdir($srcdir, $_->[0]);
+        my $buildd = catdir($blddir, $_->[0]);
+
+        mkpath($buildd);
+
+        my $f = $_->[1];
+        # The basic things we're trying to build
+        my @programs = ();
+        my @libraries = ();
+        my @engines = ();
+        my @scripts = ();
+        my @extra = ();
+        my @intermediates = ();
+        my @rawlines = ();
+
+        my %ordinals = ();
+        my %sources = ();
+        my %includes = ();
+        my %depends = ();
+        my %renames = ();
+        my %sharednames = ();
+
+        push @{$config{build_infos}}, catfile(abs2rel($sourced, $blddir), $f);
+        my $template = Text::Template->new(TYPE => 'FILE',
+                                           SOURCE => catfile($sourced, $f));
+        die "Something went wrong with $sourced/$f: $!\n" unless $template;
+        my @text =
+            split /^/m,
+            $template->fill_in(HASH => { config => \%config,
+                                         target => \%target,
+                                         disabled => \%disabled,
+                                         builddir => abs2rel($buildd, $blddir),
+                                         sourcedir => abs2rel($sourced, $blddir),
+                                         buildtop => abs2rel($blddir, $blddir),
+                                         sourcetop => abs2rel($srcdir, $blddir) },
+                               DELIMITERS => [ "{-", "-}" ]);
+
+        # The top item of this stack has the following values
+        # -2 positive already run and we found ELSE (following ELSIF should fail)
+        # -1 positive already run (skip until ENDIF)
+        # 0 negatives so far (if we're at a condition, check it)
+        # 1 last was positive (don't skip lines until next ELSE, ELSIF or ENDIF)
+        # 2 positive ELSE (following ELSIF should fail)
+        my @skip = ();
+        collect_information(
+            collect_from_array([ @text ],
+                               qr/\\$/ => sub { my $l1 = shift; my $l2 = shift;
+                                                $l1 =~ s/\\$//; $l1.$l2 }),
+            # Info we're looking for
+            qr/^\s*IF\[((?:\\.|[^\\\]])*)\]\s*$/
+            => sub { push @skip, !! $1; },
+            qr/^\s*ELSIF\[((?:\\.|[^\\\]])*)\]\s*$/
+            => sub { die "ELSIF out of scope" if ! @skip;
+                     die "ELSIF following ELSE" if abs($skip[$#skip]) == 2;
+                     $skip[$#skip] = -1 if $skip[$#skip] != 0;
+                     $skip[$#skip] = !! $1
+                         if $skip[$#skip] == 0; },
+            qr/^\s*ELSE\s*$/
+            => sub { die "ELSE out of scope" if ! @skip;
+                     $skip[$#skip] = -2 if $skip[$#skip] != 0;
+                     $skip[$#skip] = 2 if $skip[$#skip] == 0; },
+            qr/^\s*ENDIF\s*$/
+            => sub { die "ENDIF out of scope" if ! @skip;
+                     pop @skip; },
+            qr/^\s*PROGRAMS\s*=\s*(.*)\s*$/
+            => sub { push @programs, split(/\s+/, $1)
+                         if !@skip || $skip[$#skip] > 0 },
+            qr/^\s*LIBS\s*=\s*(.*)\s*$/
+            => sub { push @libraries, split(/\s+/, $1)
+                         if !@skip || $skip[$#skip] > 0 },
+            qr/^\s*ENGINES\s*=\s*(.*)\s*$/
+            => sub { push @engines, split(/\s+/, $1)
+                         if !@skip || $skip[$#skip] > 0 },
+            qr/^\s*SCRIPTS\s*=\s*(.*)\s*$/
+            => sub { push @scripts, split(/\s+/, $1)
+                         if !@skip || $skip[$#skip] > 0 },
+            qr/^\s*EXTRA\s*=\s*(.*)\s*$/
+            => sub { push @extra, split(/\s+/, $1)
+                         if !@skip || $skip[$#skip] > 0 },
+
+            qr/^\s*ORDINALS\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/,
+            => sub { push @{$ordinals{$1}}, split(/\s+/, $2)
+                         if !@skip || $skip[$#skip] > 0 },
+            qr/^\s*SOURCE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
+            => sub { push @{$sources{$1}}, split(/\s+/, $2)
+                         if !@skip || $skip[$#skip] > 0 },
+            qr/^\s*INCLUDE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
+            => sub { push @{$includes{$1}}, split(/\s+/, $2)
+                         if !@skip || $skip[$#skip] > 0 },
+            qr/^\s*DEPEND\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
+            => sub { push @{$depends{$1}}, split(/\s+/, $2)
+                         if !@skip || $skip[$#skip] > 0 },
+            qr/^\s*RENAME\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
+            => sub { push @{$renames{$1}}, split(/\s+/, $2)
+                         if !@skip || $skip[$#skip] > 0 },
+            qr/^\s*SHARED_NAME\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
+            => sub { push @{$sharednames{$1}}, split(/\s+/, $2)
+                         if !@skip || $skip[$#skip] > 0 },
+            qr/^\s*BEGINRAW\[((?:\\.|[^\\\]])+)\]\s*$/
+            => sub {
+                my $lineiterator = shift;
+                my $target_kind = $1;
+                while (defined $lineiterator->()) {
+                    s|\R$||;
+                    if (/^\s*ENDRAW\[((?:\\.|[^\\\]])+)\]\s*$/) {
+                        die "ENDRAW doesn't match BEGINRAW"
+                            if $1 ne $target_kind;
+                        last;
+                    }
+                    next if @skip && $skip[$#skip] <= 0;
+                    push @rawlines,  $_
+                        if ($target_kind eq $target{build_file}
+                            || $target_kind eq $target{build_file}."(".$builder_platform.")");
+                }
+            },
+            qr/^(?:#.*|\s*)$/ => sub { },
+            "OTHERWISE" => sub { die "Something wrong with this line:\n$_\nat $sourced/$f" }
+            );
+        die "runaway IF?" if (@skip);
+
+        foreach (keys %renames) {
+            die "$_ renamed to more than one thing: "
+                ,join(" ", @{$renames{$_}}),"\n"
+                if scalar @{$renames{$_}} > 1;
+            my $dest = cleanfile($buildd, $_, $blddir);
+            my $to = cleanfile($buildd, $renames{$_}->[0], $blddir);
+            die "$dest renamed to more than one thing: "
+                ,$unified_info{rename}->{$dest}, $to
+                unless !defined($unified_info{rename}->{$dest})
+                or $unified_info{rename}->{$dest} eq $to;
+            $unified_info{rename}->{$dest} = $to;
+        }
+
+        foreach (@programs) {
+            my $program = cleanfile($buildd, $_, $blddir);
+            if ($unified_info{rename}->{$program}) {
+                $program = $unified_info{rename}->{$program};
+            }
+            $unified_info{programs}->{$program} = 1;
+        }
+
+        foreach (@libraries) {
+            my $library = cleanfile($buildd, $_, $blddir);
+            if ($unified_info{rename}->{$library}) {
+                $library = $unified_info{rename}->{$library};
+            }
+            $unified_info{libraries}->{$library} = 1;
+        }
+
+        die <<"EOF" if scalar @engines and !$config{dynamic_engines};
+ENGINES can only be used if configured with 'dynamic-engine'.
+This is usually a fault in a build.info file.
+EOF
+        foreach (@engines) {
+            my $library = cleanfile($buildd, $_, $blddir);
+            if ($unified_info{rename}->{$library}) {
+                $library = $unified_info{rename}->{$library};
+            }
+            $unified_info{engines}->{$library} = 1;
+        }
+
+        foreach (@scripts) {
+            my $script = cleanfile($buildd, $_, $blddir);
+            if ($unified_info{rename}->{$script}) {
+                $script = $unified_info{rename}->{$script};
+            }
+            $unified_info{scripts}->{$script} = 1;
+        }
+
+        foreach (@extra) {
+            my $extra = cleanfile($buildd, $_, $blddir);
+            $unified_info{extra}->{$extra} = 1;
+        }
+
+        push @{$unified_info{rawlines}}, @rawlines;
+
+        unless ($disabled{shared}) {
+            # Check sharednames.
+            foreach (keys %sharednames) {
+                my $dest = cleanfile($buildd, $_, $blddir);
+                if ($unified_info{rename}->{$dest}) {
+                    $dest = $unified_info{rename}->{$dest};
+                }
+                die "shared_name for $dest with multiple values: "
+                    ,join(" ", @{$sharednames{$_}}),"\n"
+                    if scalar @{$sharednames{$_}} > 1;
+                my $to = cleanfile($buildd, $sharednames{$_}->[0], $blddir);
+                die "shared_name found for a library $dest that isn't defined\n"
+                    unless $unified_info{libraries}->{$dest};
+                die "shared_name for $dest with multiple values: "
+                    ,$unified_info{sharednames}->{$dest}, ", ", $to
+                    unless !defined($unified_info{sharednames}->{$dest})
+                    or $unified_info{sharednames}->{$dest} eq $to;
+                $unified_info{sharednames}->{$dest} = $to;
+            }
+
+            # Additionally, we set up sharednames for libraries that don't
+            # have any, as themselves.
+            foreach (keys %{$unified_info{libraries}}) {
+                if (!defined $unified_info{sharednames}->{$_}) {
+                    $unified_info{sharednames}->{$_} = $_
+                }
+            }
+        }
+
+        foreach (keys %ordinals) {
+            my $dest = $_;
+            my $ddest = cleanfile($buildd, $_, $blddir);
+            if ($unified_info{rename}->{$ddest}) {
+                $ddest = $unified_info{rename}->{$ddest};
+            }
+            foreach (@{$ordinals{$dest}}) {
+                my %known_ordinals =
+                    (
+                     crypto =>
+                     cleanfile($sourced, catfile("util", "libeay.num"), $blddir),
+                     ssl =>
+                     cleanfile($sourced, catfile("util", "ssleay.num"), $blddir)
+                    );
+                my $o = $known_ordinals{$_};
+                die "Ordinals for $ddest defined more than once\n"
+                    if $unified_info{ordinals}->{$ddest};
+                $unified_info{ordinals}->{$ddest} = [ $_, $o ];
+            }
+        }
+
+        foreach (keys %sources) {
+            my $dest = $_;
+            my $ddest = cleanfile($buildd, $_, $blddir);
+            if ($unified_info{rename}->{$ddest}) {
+                $ddest = $unified_info{rename}->{$ddest};
+            }
+            foreach (@{$sources{$dest}}) {
+                my $s = cleanfile($sourced, $_, $blddir);
+
+                # If it isn't in the source tree, we assume it's generated
+                # in the build tree
+                if (! -f $s) {
+                    $s = cleanfile($buildd, $_, $blddir);
+                }
+                # We recognise C and asm files
+                if ($s =~ /\.[csS]\b$/) {
+                    (my $o = $_) =~ s/\.[csS]\b$/.o/;
+                    $o = cleanfile($buildd, $o, $blddir);
+                    $unified_info{sources}->{$ddest}->{$o} = 1;
+                    $unified_info{sources}->{$o}->{$s} = 1;
+                } else {
+                    $unified_info{sources}->{$ddest}->{$s} = 1;
+                }
+            }
+        }
+
+        foreach (keys %depends) {
+            my $dest = $_;
+            my $ddest = cleanfile($buildd, $_, $blddir);
+            if ($unified_info{rename}->{$ddest}) {
+                $ddest = $unified_info{rename}->{$ddest};
+            }
+            foreach (@{$depends{$dest}}) {
+                my $d = cleanfile($sourced, $_, $blddir);
+
+                # If we know it's generated, or assume it is because we can't
+                # find it in the source tree, we set file we depend on to be
+                # in the build tree rather than the source tree, and assume
+                # and that there are lines to build it in a BEGINRAW..ENDRAW
+                # section or in the Makefile template.
+                if (! -f $d
+                    || !(grep { $d eq $_ }
+                         map { cleanfile($srcdir, $_, $blddir) }
+                         (@generated_headers, @generated_by_make_headers))) {
+                    $d = cleanfile($buildd, $_, $blddir);
+                }
+                # Take note if the file to depend on is being renamed
+                if ($unified_info{rename}->{$d}) {
+                    $d = $unified_info{rename}->{$d};
+                }
+                $unified_info{depends}->{$ddest}->{$d} = 1;
+                # If we depend on a header file, let's make sure it
+                # can get included
+                if ($d =~ /\.h$/) {
+                    my $i = dirname($d);
+                    push @{$unified_info{includes}->{$ddest}}, $i
+                        unless grep { $_ eq $i } @{$unified_info{includes}->{$ddest}};
+                }
+            }
+        }
+
+        foreach (keys %includes) {
+            my $dest = $_;
+            my $ddest = cleanfile($buildd, $_, $blddir);
+            if ($unified_info{rename}->{$ddest}) {
+                $ddest = $unified_info{rename}->{$ddest};
+            }
+            foreach (@{$includes{$dest}}) {
+                my $i = cleandir($sourced, $_, $blddir);
+                push @{$unified_info{includes}->{$ddest}}, $i
+                    unless grep { $_ eq $i } @{$unified_info{includes}->{$ddest}};
+            }
+        }
+    }
+
+    ### Make unified_info a bit more efficient
+    # One level structures
+    foreach (("programs", "libraries", "engines", "scripts", "extra")) {
+        $unified_info{$_} = [ sort keys %{$unified_info{$_}} ];
+    }
+    # Two level structures
+    foreach my $l1 (("sources", "ldadd", "depends")) {
+        foreach my $l2 (sort keys %{$unified_info{$l1}}) {
+            $unified_info{$l1}->{$l2} =
+                [ sort keys %{$unified_info{$l1}->{$l2}} ];
+        }
+    }
+}
+
+# For the schemes that need it, we provide the old *_obj configs
+# from the *_asm_obj ones
+foreach (grep /_(asm|aux)_src$/, keys %target) {
+    my $src = $_;
+    (my $obj = $_) =~ s/_(asm|aux)_src$/_obj/;
+    ($target{$obj} = $target{$src}) =~ s/\.[csS]\b/.o/g;
+}
+
 # Write down our configuration where it fits #########################
 
 open(OUT,">configdata.pm") || die "unable to create configdata.pm: $!\n";
@@ -1162,7 +1604,7 @@ use warnings;
 use Exporter;
 #use vars qw(\@ISA \@EXPORT);
 our \@ISA = qw(Exporter);
-our \@EXPORT = qw(\%config \%target);
+our \@EXPORT = qw(\%config \%target %disabled %withargs %unified_info);
 
 EOF
 print OUT "our %config = (\n";
@@ -1192,126 +1634,89 @@ foreach (sort keys %target) {
 print OUT <<"EOF";
 );
 
-1;
 EOF
-close(OUT);
+print OUT "our \%available_protocols = (\n";
+print OUT "  tls => [ ", join(", ", map { quotify("perl", $_) } @tls), " ],\n";
+print OUT "  dtls => [ ", join(", ", map { quotify("perl", $_) } @dtls), " ],\n";
+print OUT <<"EOF";
+);
 
-open(IN,"<Makefile.in") || die "unable to read Makefile.in: $!\n";
-open(OUT,">$Makefile.new") || die "unable to create $Makefile.new:$!\n";
-print OUT "### Generated automatically from Makefile.in by Configure.\n\n";
-my $sdirs=0;
+EOF
+print OUT "our \%disabled = (\n";
+foreach (sort keys %disabled) {
+    print OUT "  ", quotify("perl", $_), " => ", quotify("perl", $disabled{$_}), ",\n";
+}
+print OUT <<"EOF";
+);
 
-while (<IN>)
-       {
-       chomp;
-       $sdirs = 1 if /^SDIRS=/;
-       if ($sdirs) {
-               my $dir;
-               foreach $dir (@skip) {
-                       s/(\s)$dir /$1/;
-                       s/\s$dir$//;
-                       }
-               }
-       $sdirs = 0 unless /\\$/;
-        s/fips // if (/^DIRS=/ && !$fips);
-        s/engines // if (/^DIRS=/ && $disabled{"engine"});
-       s/^VERSION=.*/VERSION=$version/;
-       s/^MAJOR=.*/MAJOR=$major/;
-       s/^MINOR=.*/MINOR=$minor/;
-       s/^SHLIB_VERSION_NUMBER=.*/SHLIB_VERSION_NUMBER=$shlib_version_number/;
-       s/^SHLIB_VERSION_HISTORY=.*/SHLIB_VERSION_HISTORY=$shlib_version_history/;
-       s/^SHLIB_MAJOR=.*/SHLIB_MAJOR=$shlib_major/;
-       s/^SHLIB_MINOR=.*/SHLIB_MINOR=$shlib_minor/;
-       s/^SHLIB_EXT=.*/SHLIB_EXT=$target{shared_extension}/;
-       s/^INSTALLTOP=.*$/INSTALLTOP=$config{prefix}/;
-       s/^MULTILIB=.*$/MULTILIB=$target{multilib}/;
-       s/^OPENSSLDIR=.*$/OPENSSLDIR=$config{openssldir}/;
-       s/^LIBDIR=.*$/LIBDIR=$libdir/;
-       s/^INSTALL_PREFIX=.*$/INSTALL_PREFIX=$install_prefix/;
-       s/^PLATFORM=.*$/PLATFORM=$target/;
-       s/^OPTIONS=.*$/OPTIONS=$options/;
-       my $argvstring = "(".join(", ", map { quotify("perl", $_) } @argvcopy).")";
-       s/^CONFIGURE_ARGS=.*$/CONFIGURE_ARGS=$argvstring/;
-       if ($cross_compile_prefix)
-               {
-               s/^CC=.*$/CROSS_COMPILE= $cross_compile_prefix\nCC= \$\(CROSS_COMPILE\)$target{cc}/;
-               s/^AR=\s*/AR= \$\(CROSS_COMPILE\)/;
-               s/^NM=\s*/NM= \$\(CROSS_COMPILE\)/;
-               s/^RANLIB=\s*/RANLIB= \$\(CROSS_COMPILE\)/;
-               s/^MAKEDEPPROG=.*$/MAKEDEPPROG= \$\(CROSS_COMPILE\)$target{cc}/ if $target{cc} eq "gcc";
-               }
-       else    {
-               s/^CC=.*$/CC= $target{cc}/;
-               s/^AR=\s*ar/AR= $target{ar}/;
-               s/^RANLIB=.*/RANLIB= $target{ranlib}/;
-               s/^MAKEDEPPROG=.*$/MAKEDEPPROG= $target{cc}/ if $ecc eq "gcc" || $ecc eq "clang";
-               }
-       s/^CFLAG=.*$/CFLAG= $cflags/;
-       s/^DEPFLAG=.*$/DEPFLAG=$depflags/;
-       s/^PEX_LIBS=.*$/PEX_LIBS= $prelflags/;
-       s/^EX_LIBS=.*$/EX_LIBS= $lflags/;
-       s/^EXE_EXT=.*$/EXE_EXT= $exe_ext/;
-       s/^CPUID_OBJ=.*$/CPUID_OBJ= $target{cpuid_obj}/;
-       s/^BN_ASM=.*$/BN_ASM= $target{bn_obj}/;
-       s/^EC_ASM=.*$/EC_ASM= $target{ec_obj}/;
-       s/^DES_ENC=.*$/DES_ENC= $target{des_obj}/;
-       s/^AES_ENC=.*$/AES_ENC= $target{aes_obj}/;
-       s/^BF_ENC=.*$/BF_ENC= $target{bf_obj}/;
-       s/^CAST_ENC=.*$/CAST_ENC= $target{cast_obj}/;
-       s/^RC4_ENC=.*$/RC4_ENC= $target{rc4_obj}/;
-       s/^RC5_ENC=.*$/RC5_ENC= $target{rc5_obj}/;
-       s/^MD5_ASM_OBJ=.*$/MD5_ASM_OBJ= $target{md5_obj}/;
-       s/^SHA1_ASM_OBJ=.*$/SHA1_ASM_OBJ= $target{sha1_obj}/;
-       s/^RMD160_ASM_OBJ=.*$/RMD160_ASM_OBJ= $target{rmd160_obj}/;
-       s/^WP_ASM_OBJ=.*$/WP_ASM_OBJ= $target{wp_obj}/;
-       s/^CMLL_ENC=.*$/CMLL_ENC= $target{cmll_obj}/;
-       s/^MODES_ASM_OBJ.=*$/MODES_ASM_OBJ= $target{modes_obj}/;
-       s/^ENGINES_ASM_OBJ.=*$/ENGINES_ASM_OBJ= $target{engines_obj}/;
-       s/^CHACHA_ENC=.*$/CHACHA_ENC= $target{chacha_obj}/;
-       s/^POLY1305_ASM_OBJ=.*$/POLY1305_ASM_OBJ= $target{poly1305_obj}/;
-       s/^PERLASM_SCHEME=.*$/PERLASM_SCHEME= $target{perlasm_scheme}/;
-       s/^PROCESSOR=.*/PROCESSOR= $processor/;
-       s/^ARFLAGS=.*/ARFLAGS= $target{arflags}/;
-       s/^PERL=.*/PERL= $config{perl}/;
-       s/^LIBZLIB=.*/LIBZLIB=$withargs{"zlib-lib"}/;
-       s/^ZLIB_INCLUDE=.*/ZLIB_INCLUDE=$withargs{"zlib-include"}/;
-       s/^FIPSLIBDIR=.*/FIPSLIBDIR=$fipslibdir/;
-       s/^FIPSCANLIB=.*/FIPSCANLIB=libcrypto/ if $fips;
-       s/^SHARED_FIPS=.*/SHARED_FIPS=/;
-       s/^SHLIBDIRS=.*/SHLIBDIRS= crypto ssl/;
-       s/^BASEADDR=.*/BASEADDR=$baseaddr/;
-       s/^SHLIB_TARGET=.*/SHLIB_TARGET=$target{shared_target}/;
-       s/^SHLIB_MARK=.*/SHLIB_MARK=$shared_mark/;
-       s/^SHARED_LIBS=.*/SHARED_LIBS=\$(SHARED_CRYPTO) \$(SHARED_SSL)/ if (!$no_shared);
-       if ($target{shared_extension} ne "" && $target{shared_extension} =~ /^\.s([ol])\.[^\.]*$/)
-               {
-               my $sotmp = $1;
-               s/^SHARED_LIBS_LINK_EXTS=.*/SHARED_LIBS_LINK_EXTS=.s$sotmp/;
-               }
-       elsif ($target{shared_extension} ne "" && $target{shared_extension} =~ /^\.[^\.]*\.dylib$/)
-               {
-               s/^SHARED_LIBS_LINK_EXTS=.*/SHARED_LIBS_LINK_EXTS=.dylib/;
-               }
-       elsif ($target{shared_extension} ne "" && $target{shared_extension} =~ /^\.s([ol])\.[^\.]*\.[^\.]*$/)
-               {
-               my $sotmp = $1;
-               s/^SHARED_LIBS_LINK_EXTS=.*/SHARED_LIBS_LINK_EXTS=.s$sotmp.\$(SHLIB_MAJOR) .s$sotmp/;
-               }
-       elsif ($target{shared_extension} ne "" && $target{shared_extension} =~ /^\.[^\.]*\.[^\.]*\.dylib$/)
-               {
-               s/^SHARED_LIBS_LINK_EXTS=.*/SHARED_LIBS_LINK_EXTS=.\$(SHLIB_MAJOR).dylib .dylib/;
-               }
-       s/^SHARED_LDFLAGS=.*/SHARED_LDFLAGS=$target{shared_ldflag}/;
-       print OUT $_."\n";
-       }
-close(IN);
+EOF
+print OUT "our %withargs = (\n";
+foreach (sort keys %withargs) {
+    if (ref($withargs{$_}) eq "ARRAY") {
+       print OUT "  ", $_, " => [ ", join(", ",
+                                          map { quotify("perl", $_) }
+                                          @{$withargs{$_}}), " ],\n";
+    } else {
+       print OUT "  ", $_, " => ", quotify("perl", $withargs{$_}), ",\n"
+    }
+}
+print OUT <<"EOF";
+);
+
+EOF
+if ($builder eq "unified") {
+    my $recurse;
+    $recurse = sub {
+        my $indent = shift;
+        foreach (@_) {
+            if (ref $_ eq "ARRAY") {
+                print OUT " "x$indent, "[\n";
+                foreach (@$_) {
+                    $recurse->($indent + 4, $_);
+                }
+                print OUT " "x$indent, "],\n";
+            } elsif (ref $_ eq "HASH") {
+                my %h = %$_;
+                print OUT " "x$indent, "{\n";
+                foreach (sort keys %h) {
+                    if (ref $h{$_} eq "") {
+                        print OUT " "x($indent + 4), quotify("perl", $_), " => ", quotify("perl", $h{$_}), ",\n";
+                    } else {
+                        print OUT " "x($indent + 4), quotify("perl", $_), " =>\n";
+                        $recurse->($indent + 8, $h{$_});
+                    }
+                }
+                print OUT " "x$indent, "},\n";
+            } else {
+                print OUT " "x$indent, quotify("perl", $_), ",\n";
+            }
+        }
+    };
+    print OUT "our %unified_info = (\n";
+    foreach (sort keys %unified_info) {
+        if (ref $unified_info{$_} eq "") {
+            print OUT " "x4, quotify("perl", $_), " => ", quotify("perl", $unified_info{$_}), ",\n";
+        } else {
+            print OUT " "x4, quotify("perl", $_), " =>\n";
+            $recurse->(8, $unified_info{$_});
+        }
+    }
+    print OUT <<"EOF";
+);
+
+EOF
+}
+print OUT "1;\n";
 close(OUT);
-rename("$Makefile.new",$Makefile) || die "unable to rename $Makefile.new\n";
 
-print "IsMK1MF       =", ($target{build_scheme}->[0] eq "mk1mf" ? "yes" : "no"), "\n";
+
+print "IsMK1MF       =", ($builder eq "mk1mf" ? "yes" : "no"), "\n";
 print "CC            =$target{cc}\n";
-print "CFLAG         =$cflags\n";
-print "EX_LIBS       =$lflags\n";
+print "CFLAG         =$config{cflags}\n";
+print "DEFINES       =",join(" ", @{$config{defines}}),"\n";
+print "LFLAG         =$config{lflags}\n";
+print "PLIB_LFLAG    =$config{plib_lflags}\n";
+print "EX_LIBS       =$config{ex_libs}\n";
 print "CPUID_OBJ     =$target{cpuid_obj}\n";
 print "BN_ASM        =$target{bn_obj}\n";
 print "EC_ASM        =$target{ec_obj}\n";
@@ -1326,260 +1731,82 @@ print "SHA1_OBJ_ASM  =$target{sha1_obj}\n";
 print "RMD160_OBJ_ASM=$target{rmd160_obj}\n";
 print "CMLL_ENC      =$target{cmll_obj}\n";
 print "MODES_OBJ     =$target{modes_obj}\n";
-print "ENGINES_OBJ   =$target{engines_obj}\n";
+print "PADLOCK_OBJ   =$target{padlock_obj}\n";
 print "CHACHA_ENC    =$target{chacha_obj}\n";
 print "POLY1305_OBJ  =$target{poly1305_obj}\n";
-print "PROCESSOR     =$processor\n";
+print "PROCESSOR     =$config{processor}\n";
 print "RANLIB        =$target{ranlib}\n";
 print "ARFLAGS       =$target{arflags}\n";
 print "PERL          =$config{perl}\n";
+print "\n";
+print "SIXTY_FOUR_BIT_LONG mode\n" if $config{b64l};
+print "SIXTY_FOUR_BIT mode\n" if $config{b64};
+print "THIRTY_TWO_BIT mode\n" if $config{b32};
+print "BN_LLONG mode\n" if $config{bn_ll};
+print "RC4 uses $config{rc4_int}\n" if $config{rc4_int} != $def_int;
+
+for (@generated_headers) {
+    mkpath(catdir($blddir, dirname($_)));
+    run_dofile(catfile($blddir, $_),
+               catfile($srcdir, $_.".in"));
+}
 
-my $des_ptr=0;
-my $des_risc1=0;
-my $des_risc2=0;
-my $des_unroll=0;
-my $bn_ll=0;
-my $def_int=2;
-my $rc4_int=$def_int;
-my $md2_int=$def_int;
-my $idea_int=$def_int;
-my $rc2_int=$def_int;
-my $rc4_idx=0;
-my $rc4_chunk=0;
-my $bf_ptr=0;
-my @type=("char","short","int","long");
-my ($b64l,$b64,$b32,$b16,$b8)=(0,0,1,0,0);
-my $export_var_as_fn=0;
-
-my $des_int;
-
-foreach (sort split(/\s+/,$target{bn_ops}))
-       {
-       $des_ptr=1 if /DES_PTR/;
-       $des_risc1=1 if /DES_RISC1/;
-       $des_risc2=1 if /DES_RISC2/;
-       $des_unroll=1 if /DES_UNROLL/;
-       $des_int=1 if /DES_INT/;
-       $bn_ll=1 if /BN_LLONG/;
-       $rc4_int=0 if /RC4_CHAR/;
-       $rc4_int=3 if /RC4_LONG/;
-       $rc4_idx=1 if /RC4_INDEX/;
-       $rc4_chunk=1 if /RC4_CHUNK/;
-       $rc4_chunk=2 if /RC4_CHUNK_LL/;
-       $md2_int=0 if /MD2_CHAR/;
-       $md2_int=3 if /MD2_LONG/;
-       $idea_int=1 if /IDEA_SHORT/;
-       $idea_int=3 if /IDEA_LONG/;
-       $rc2_int=1 if /RC2_SHORT/;
-       $rc2_int=3 if /RC2_LONG/;
-       $bf_ptr=1 if $_ eq "BF_PTR";
-       $bf_ptr=2 if $_ eq "BF_PTR2";
-       ($b64l,$b64,$b32,$b16,$b8)=(0,1,0,0,0) if /SIXTY_FOUR_BIT/;
-       ($b64l,$b64,$b32,$b16,$b8)=(1,0,0,0,0) if /SIXTY_FOUR_BIT_LONG/;
-       ($b64l,$b64,$b32,$b16,$b8)=(0,0,1,0,0) if /THIRTY_TWO_BIT/;
-       ($b64l,$b64,$b32,$b16,$b8)=(0,0,0,1,0) if /SIXTEEN_BIT/;
-       ($b64l,$b64,$b32,$b16,$b8)=(0,0,0,0,1) if /EIGHT_BIT/;
-       $export_var_as_fn=1 if /EXPORT_VAR_AS_FN/;
-       }
-
-open(IN,'<crypto/opensslconf.h.in') || die "unable to read crypto/opensslconf.h.in:$!\n";
-open(OUT,'>include/openssl/opensslconf.h.new') || die "unable to create include/openssl/opensslconf.h.new:$!\n";
-print OUT "/* opensslconf.h */\n";
-print OUT "/* WARNING: Generated automatically from opensslconf.h.in by Configure. */\n\n";
-
-print OUT "#ifdef  __cplusplus\n";
-print OUT "extern \"C\" {\n";
-print OUT "#endif\n";
-print OUT "/* OpenSSL was configured with the following options: */\n";
-
-my $openssl_api_defines = "";
-if (defined($api)) {
-    $openssl_api_defines = sprintf "#define OPENSSL_MIN_API %s\n", $apitable->{$api};
+###
+### When the old "unixmake" scheme goes away, so does this function
+###
+sub build_Makefile {
+    run_dofile("Makefile","Makefile.in");
+
+    # Copy all Makefile.in to Makefile (except top-level)
+    use File::Find;
+    use IO::File;
+    find(
+        {
+            preprocess => sub {
+                grep(!/^\./, @_);
+            },
+            wanted => sub {
+                return if ($_ ne "Makefile.in" || $File::Find::dir eq ".");
+                my $in = IO::File->new($_, "r") or
+                    die sprintf "Error reading Makefile.in in %s: !$\n",
+                    $File::Find::dir;
+                my $out = IO::File->new("Makefile", "w") or
+                    die sprintf "Error writing Makefile in %s: !$\n",
+                    $File::Find::dir;
+                print $out "# Generated from $_, do not edit\n";
+                while (my $line = <$in>) { print $out $line }
+                $in->close() or
+                    die sprintf "Error reading Makefile.in in %s: !$\n",
+                    $File::Find::dir;
+                $out->close() or
+                    die sprintf "Error writing Makefile in %s: !$\n",
+                    $File::Find::dir;
+            },
+        },
+        ".");
 }
-my $openssl_algorithm_defines_trans = $openssl_algorithm_defines;
-$openssl_experimental_defines =~ s/^\s*#\s*define\s+OPENSSL_NO_(.*)/#ifndef OPENSSL_EXPERIMENTAL_$1\n# ifndef OPENSSL_NO_$1\n#  define OPENSSL_NO_$1\n# endif\n#endif/mg;
-$openssl_algorithm_defines_trans =~ s/^\s*#\s*define\s+OPENSSL_(.*)/# if defined(OPENSSL_$1) \&\& !defined($1)\n#  define $1\n# endif/mg;
-$openssl_algorithm_defines =~ s/^\s*#\s*define\s+(.*)/#ifndef $1\n# define $1\n#endif/mg;
-$openssl_algorithm_defines = "   /* no ciphers excluded */\n" if $openssl_algorithm_defines eq "";
-$openssl_thread_defines =~ s/^\s*#\s*define\s+(.*)/#ifndef $1\n# define $1\n#endif/mg;
-$openssl_sys_defines =~ s/^\s*#\s*define\s+(.*)/#ifndef $1\n# define $1\n#endif/mg;
-$openssl_other_defines =~ s/^\s*#\s*define\s+(.*)/#ifndef $1\n# define $1\n#endif/mg;
-
-print OUT $openssl_sys_defines;
-print OUT "#ifndef OPENSSL_DOING_MAKEDEPEND\n\n";
-print OUT $openssl_experimental_defines;
-print OUT $openssl_api_defines;
-print OUT "\n";
-print OUT $openssl_algorithm_defines;
-print OUT "\n#endif /* OPENSSL_DOING_MAKEDEPEND */\n\n";
-print OUT $openssl_thread_defines;
-print OUT $openssl_other_defines,"\n";
-
-print OUT "/* The OPENSSL_NO_* macros are also defined as NO_* if the application\n";
-print OUT "   asks for it.  This is a transient feature that is provided for those\n";
-print OUT "   who haven't had the time to do the appropriate changes in their\n";
-print OUT "   applications.  */\n";
-print OUT "#ifdef OPENSSL_ALGORITHM_DEFINES\n";
-print OUT $openssl_algorithm_defines_trans;
-print OUT "#endif\n\n";
-
-print OUT "#define OPENSSL_CPUID_OBJ\n\n" if ($target{cpuid_obj} ne "mem_clr.o");
-
-while (<IN>)
-       {
-       if      (/^#define\s+OPENSSLDIR/)
-               {
-               my $foo = $config{openssldir};
-               $foo =~ s/\\/\\\\/g;
-               print OUT "#define OPENSSLDIR \"$foo\"\n";
-               }
-       elsif   (/^#define\s+ENGINESDIR/)
-               {
-               my $foo = "$config{prefix}/$libdir/engines";
-               $foo =~ s/\\/\\\\/g;
-               print OUT "#define ENGINESDIR \"$foo\"\n";
-               }
-       elsif   (/^#((define)|(undef))\s+OPENSSL_EXPORT_VAR_AS_FUNCTION/)
-               { printf OUT "#undef OPENSSL_EXPORT_VAR_AS_FUNCTION\n"
-                       if $export_var_as_fn;
-                 printf OUT "#%s OPENSSL_EXPORT_VAR_AS_FUNCTION\n",
-                       ($export_var_as_fn)?"define":"undef"; }
-       elsif   (/^#define\s+OPENSSL_UNISTD/)
-               {
-               print OUT "#define OPENSSL_UNISTD $target{unistd}\n";
-               }
-       elsif   (/^#((define)|(undef))\s+SIXTY_FOUR_BIT_LONG/)
-               { printf OUT "#%s SIXTY_FOUR_BIT_LONG\n",($b64l)?"define":"undef"; }
-       elsif   (/^#((define)|(undef))\s+SIXTY_FOUR_BIT/)
-               { printf OUT "#%s SIXTY_FOUR_BIT\n",($b64)?"define":"undef"; }
-       elsif   (/^#((define)|(undef))\s+THIRTY_TWO_BIT/)
-               { printf OUT "#%s THIRTY_TWO_BIT\n",($b32)?"define":"undef"; }
-       elsif   (/^#((define)|(undef))\s+SIXTEEN_BIT/)
-               { printf OUT "#%s SIXTEEN_BIT\n",($b16)?"define":"undef"; }
-       elsif   (/^#((define)|(undef))\s+EIGHT_BIT/)
-               { printf OUT "#%s EIGHT_BIT\n",($b8)?"define":"undef"; }
-       elsif   (/^#((define)|(undef))\s+BN_LLONG\s*$/)
-               { printf OUT "#%s BN_LLONG\n",($bn_ll)?"define":"undef"; }
-       elsif   (/^\#define\s+OSSL_DES_LONG\s+.*/)
-               { printf OUT "#define OSSL_DES_LONG unsigned %s\n",
-                       ($des_int)?'int':'long'; }
-       elsif   (/^\#(define|undef)\s+DES_PTR/)
-               { printf OUT "#%s DES_PTR\n",($des_ptr)?'define':'undef'; }
-       elsif   (/^\#(define|undef)\s+DES_RISC1/)
-               { printf OUT "#%s DES_RISC1\n",($des_risc1)?'define':'undef'; }
-       elsif   (/^\#(define|undef)\s+DES_RISC2/)
-               { printf OUT "#%s DES_RISC2\n",($des_risc2)?'define':'undef'; }
-       elsif   (/^\#(define|undef)\s+DES_UNROLL/)
-               { printf OUT "#%s DES_UNROLL\n",($des_unroll)?'define':'undef'; }
-       elsif   (/^#define\s+RC4_INT\s/)
-               { printf OUT "#define RC4_INT unsigned %s\n",$type[$rc4_int]; }
-       elsif   (/^#undef\s+RC4_CHUNK/)
-               {
-               printf OUT "#undef RC4_CHUNK\n" if $rc4_chunk==0;
-               printf OUT "#define RC4_CHUNK unsigned long\n" if $rc4_chunk==1;
-               printf OUT "#define RC4_CHUNK unsigned long long\n" if $rc4_chunk==2;
-               }
-       elsif   (/^#((define)|(undef))\s+RC4_INDEX/)
-               { printf OUT "#%s RC4_INDEX\n",($rc4_idx)?"define":"undef"; }
-       elsif (/^#(define|undef)\s+I386_ONLY/)
-               { printf OUT "#%s I386_ONLY\n", ($processor eq "386")?
-                       "define":"undef"; }
-       elsif   (/^#define\s+MD2_INT\s/)
-               { printf OUT "#define MD2_INT unsigned %s\n",$type[$md2_int]; }
-       elsif   (/^#define\s+IDEA_INT\s/)
-               {printf OUT "#define IDEA_INT unsigned %s\n",$type[$idea_int];}
-       elsif   (/^#define\s+RC2_INT\s/)
-               {printf OUT "#define RC2_INT unsigned %s\n",$type[$rc2_int];}
-       elsif (/^#(define|undef)\s+BF_PTR/)
-               {
-               printf OUT "#undef BF_PTR\n" if $bf_ptr == 0;
-               printf OUT "#define BF_PTR\n" if $bf_ptr == 1;
-               printf OUT "#define BF_PTR2\n" if $bf_ptr == 2;
-               }
-       else
-               { print OUT $_; }
-       }
-close(IN);
-print OUT "#ifdef  __cplusplus\n";
-print OUT "}\n";
-print OUT "#endif\n";
-close(OUT);
-rename("include/openssl/opensslconf.h.new","include/openssl/opensslconf.h") || die "unable to rename include/openssl/opensslconf.h.new\n";
-
-
-# Fix the date
-
-print "SIXTY_FOUR_BIT_LONG mode\n" if $b64l;
-print "SIXTY_FOUR_BIT mode\n" if $b64;
-print "THIRTY_TWO_BIT mode\n" if $b32;
-print "SIXTEEN_BIT mode\n" if $b16;
-print "EIGHT_BIT mode\n" if $b8;
-print "DES_PTR used\n" if $des_ptr;
-print "DES_RISC1 used\n" if $des_risc1;
-print "DES_RISC2 used\n" if $des_risc2;
-print "DES_UNROLL used\n" if $des_unroll;
-print "DES_INT used\n" if $des_int;
-print "BN_LLONG mode\n" if $bn_ll;
-print "RC4 uses u$type[$rc4_int]\n" if $rc4_int != $def_int;
-print "RC4_INDEX mode\n" if $rc4_idx;
-print "RC4_CHUNK is undefined\n" if $rc4_chunk==0;
-print "RC4_CHUNK is unsigned long\n" if $rc4_chunk==1;
-print "RC4_CHUNK is unsigned long long\n" if $rc4_chunk==2;
-print "MD2 uses u$type[$md2_int]\n" if $md2_int != $def_int;
-print "IDEA uses u$type[$idea_int]\n" if $idea_int != $def_int;
-print "RC2 uses u$type[$rc2_int]\n" if $rc2_int != $def_int;
-print "BF_PTR used\n" if $bf_ptr == 1;
-print "BF_PTR2 used\n" if $bf_ptr == 2;
-
-# Copy all Makefile.in to Makefile (except top-level)
-use File::Find;
-use IO::File;
-find(sub {
-        return if ($_ ne "Makefile.in" || $File::Find::dir eq ".");
-        my $in = IO::File->new($_, "r") or
-            die sprintf "Error reading Makefile.in in %s: !$\n",
-                $File::Find::dir;
-        my $out = IO::File->new("Makefile", "w") or
-            die sprintf "Error writing Makefile in %s: !$\n",
-                $File::Find::dir;
-        print $out "# Generated from $_, do not edit\n";
-        while (my $line = <$in>) { print $out $line }
-        $in->close() or
-            die sprintf "Error reading Makefile.in in %s: !$\n",
-                $File::Find::dir;
-        $out->close() or
-            die sprintf "Error writing Makefile in %s: !$\n",
-                $File::Find::dir;
-    }, ".");
 
 my %builders = (
+    unified => sub {
+        run_dofile(catfile($blddir, $target{build_file}),
+                   $config{build_file_template},
+                   catfile($srcdir, "Configurations", "common.tmpl"));
+    },
     unixmake => sub {
-       my $make_command = "$make PERL=\'$config{perl}\'";
-       my $make_targets = "";
-       $make_targets .= " depend" if $depflags ne $default_depflags && $make_depend;
-       (system $make_command.$make_targets) == 0 or die "make $make_targets failed"
-           if $make_targets ne "";
-       if ($depflags ne $default_depflags && !$make_depend) {
-            $warn_make_depend++;
-        }
+        build_Makefile();
+
+        run_dofile("util/domd", "util/domd.in");
+        chmod 0755, "util/domd";
     },
     mk1mf => sub {
-       open (OUT,">crypto/buildinf.h") || die "Can't open buildinf.h";
-       printf OUT <<"EOF";
-#ifndef MK1MF_BUILD
-  /* auto-generated by Configure for crypto/cversion.c:
-   * for Unix builds, crypto/Makefile.ssl generates functional definitions;
-   * Windows builds (and other mk1mf builds) compile cversion.c with
-   * -DMK1MF_BUILD and use definitions added to this file by util/mk1mf.pl. */
-  #error "Windows builds (PLATFORM=$target) use mk1mf.pl-created Makefiles"
-#endif
-EOF
-       close(OUT);
+        my $platform = shift;
+        # The only reason we do this is to have something to build MINFO from
+        build_Makefile();
 
        # create the ms/version32.rc file if needed
-       if (! grep /^netware/, @{$target{build_scheme}}) {
+       if ($platform ne "netware") {
            my ($v1, $v2, $v3, $v4);
-           if ($version_num =~ /^0x([0-9a-f]{1})([0-9a-f]{2})([0-9a-f]{2})([0-9a-f]{2})([0-9a-f]{1})L$/i) {
+           if ($config{version_num} =~ /^0x([0-9a-f]{1})([0-9a-f]{2})([0-9a-f]{2})([0-9a-f]{2})([0-9a-f]{1})L$/i) {
                $v1=hex $1;
                $v2=hex $2;
                $v3=hex $3;
@@ -1611,7 +1838,7 @@ BEGIN
            // Required:
            VALUE "CompanyName", "The OpenSSL Project, http://www.openssl.org/\\0"
            VALUE "FileDescription", "OpenSSL Shared Library\\0"
-           VALUE "FileVersion", "$version\\0"
+           VALUE "FileVersion", "$config{version}\\0"
 #if defined(CRYPTO)
            VALUE "InternalName", "libeay32\\0"
            VALUE "OriginalFilename", "libeay32.dll\\0"
@@ -1620,7 +1847,7 @@ BEGIN
            VALUE "OriginalFilename", "ssleay32.dll\\0"
 #endif
            VALUE "ProductName", "The OpenSSL Toolkit\\0"
-           VALUE "ProductVersion", "$version\\0"
+           VALUE "ProductVersion", "$config{version}\\0"
            // Optional:
            //VALUE "Comments", "\\0"
            VALUE "LegalCopyright", "Copyright © 1998-2015 The OpenSSL Project. Copyright © 1995-1998 Eric A. Young, Tim J. Hudson. All rights reserved.\\0"
@@ -1640,15 +1867,14 @@ EOF
     },
     );
 
-my ($builder, @builder_opts) = @{$target{build_scheme}};
-$builders{$builder}->(@builder_opts);
+$builders{$builder}->($builder_platform, @builder_opts);
 
 print <<"EOF";
 
 Configured for $target.
 EOF
 
-print <<"EOF" if (!$no_threads && !$threads);
+print <<"EOF" if (!$disabled{threads} && !$threads);
 
 The library could not be configured for supporting multi-threaded
 applications as the compiler options required on this system are not known.
@@ -1657,19 +1883,45 @@ EOF
 
 print <<"EOF" if ($no_shared_warn);
 
-You gave the option 'shared', which is not supported on this platform, so
-we will pretend you gave the option 'no-shared'.  If you know how to implement
-shared libraries, please let us know (but please first make sure you have
-tried with a current version of OpenSSL).
+The options 'shared', 'pic' and 'dynamic-engine' aren't supported on this
+platform, so we will pretend you gave the option 'no-pic', which also disables
+'shared' and 'dynamic-engine'.  If you know how to implement shared libraries
+or position independent code, please let us know (but please first make sure
+you have tried with a current version of OpenSSL).
 EOF
 
-print <<"EOF" if ($warn_make_depend);
+###### TO BE REMOVED BEFORE FINAL RELEASE
+######
+###### If the user hasn't chosen --unified, try to nudge them.
+if ($target{build_file} eq "Makefile"
+    && $target{build_scheme}->[0] eq "unixmake"
+    && !$unified) {
+
+    my $plausible_builddir =
+        abs2rel(rel2abs("../_openssl-build_$target"),rel2abs("."));
+    my $plausible_to_sourcedir =
+        abs2rel(rel2abs("."),rel2abs("../_openssl-build_$target"));
+    print <<"EOF";
 
-*** Because of configuration changes, you MUST do the following before
-*** building:
+----------------------------------------------------------------------
+Please consider configuring with the flag --unified .
+It's to test out a new "unified" building system.
+
+One cool feature is that you can have your build directory elsewhere,
+for example:
+
+    make clean          # Clean the current configuration away
+    mkdir $plausible_builddir
+    cd $plausible_builddir
+    $plausible_to_sourcedir/config --unified
+    make
+    make test
+
+Please report any problem you have.
+----------------------------------------------------------------------
 
-       make depend
 EOF
+}
 
 exit(0);
 
@@ -1681,14 +1933,14 @@ exit(0);
 # Configuration file reading #########################################
 
 # Helper function to implement conditional inheritance depending on the
-# value of $no_asm.  Used in inherit_from values as follows:
+# value of $disabled{asm}.  Used in inherit_from values as follows:
 #
 #      inherit_from => [ "template", asm("asm_tmpl") ]
 #
 sub asm {
     my @x = @_;
     sub {
-       $no_asm ? () : @x;
+       $disabled{asm} ? () : @x;
     }
 }
 
@@ -1697,10 +1949,10 @@ sub asm {
 sub _add {
     my $separator = shift;
 
-    # If there's any ARRAY in the collection of values, we will return
-    # an ARRAY of combined values, otherwise a string of joined values
-    # with $separator as the separator.
-    my $found_array = 0;
+    # If there's any ARRAY in the collection of values OR the separator
+    # is undef, we will return an ARRAY of combined values, otherwise a
+    # string of joined values with $separator as the separator.
+    my $found_array = !defined($separator);
 
     my @values =
        map {
@@ -1719,12 +1971,20 @@ sub _add {
     }
 }
 sub add_before {
-    my $separator = shift;
+    my $separator = " ";
+    if (ref($_[$#_]) eq "HASH") {
+        my $opts = pop;
+        $separator = $opts->{separator};
+    }
     my @x = @_;
     sub { _add($separator, @x, @_) };
 }
 sub add {
-    my $separator = shift;
+    my $separator = " ";
+    if (ref($_[$#_]) eq "HASH") {
+        my $opts = pop;
+        $separator = $opts->{separator};
+    }
     my @x = @_;
     sub { _add($separator, @_, @x) };
 }
@@ -1822,7 +2082,7 @@ sub resolve_config {
     #   value.
     # - Otherwise, this target's value is assumed to be a string that
     #   will simply override the inherited list of values.
-    my $default_combiner = add(" ");
+    my $default_combiner = add();
 
     my %all_keys =
        map { $_ => 1 } (keys %combined_inheritance,
@@ -1891,6 +2151,23 @@ sub usage
        exit(1);
        }
 
+sub run_dofile()
+{
+    my $out = shift;
+    my @templates = @_;
+
+    unlink $out || warn "Can't remove $out, $!"
+        if -f $out;
+    foreach (@templates) {
+        die "Can't open $_, $!" unless -f $_;
+    }
+    my $cmd = "$config{perl} \"-I.\" \"-Mconfigdata\" $dofile -o\"Configure\" \"".join("\" \"",@templates)."\" > \"$out.new\"";
+    #print STDERR "DEBUG[run_dofile]: \$cmd = $cmd\n";
+    system($cmd);
+    exit 1 if $? != 0;
+    rename("$out.new", $out) || die "Can't rename $out.new, $!";
+}
+
 # Configuration printer ##############################################
 
 sub print_table_entry
@@ -1903,16 +2180,26 @@ sub print_table_entry
     return if $target{template};
 
     my @sequence = (
+       "sys_id",
        "cc",
        "cflags",
+       "defines",
        "debug_cflags",
+       "debug_defines",
        "release_cflags",
-       "unistd",
+       "release_defines",
        "thread_cflag",
-       "sys_id",
+       "unistd",
+       "ld",
        "lflags",
+       "plib_lflags",
+       "ex_libs",
        "debug_lflags",
+       "debug_plib_lflags",
+       "debug_ex_libs",
        "release_lflags",
+       "release_plib_lflags",
+       "release_ex_libs",
        "bn_ops",
        "cpuid_obj",
        "bn_obj",
@@ -1929,29 +2216,47 @@ sub print_table_entry
        "wp_obj",
        "cmll_obj",
        "modes_obj",
-       "engines_obj",
+       "padlock_obj",
        "perlasm_scheme",
        "dso_scheme",
        "shared_target",
        "shared_cflag",
        "shared_ldflag",
+       "shared_rcflag",
        "shared_extension",
+       "shared_extension_simple",
+       "shared_import_extension",
+       "dso_extension",
+       "obj_extension",
+       "exe_extension",
        "ranlib",
+       "ar",
        "arflags",
        "multilib",
+       "build_scheme",
        );
 
     if ($type eq "TABLE") {
        print "\n";
        print "*** $target\n";
-       printf "\$%-12s = %s\n", $_, $target{$_} foreach (@sequence);
+        foreach (@sequence) {
+            if (ref($target{$_}) eq "ARRAY") {
+                printf "\$%-12s = %s\n", $_, join(" ", @{$target{$_}});
+            } else {
+                printf "\$%-12s = %s\n", $_, $target{$_};
+            }
+        }
     } elsif ($type eq "HASH") {
        my $largest =
            length((sort { length($a) <=> length($b) } @sequence)[-1]);
        print "    '$target' => {\n";
        foreach (@sequence) {
            if ($target{$_}) {
-               print "      '",$_,"'"," " x ($largest - length($_))," => '",$target{$_},"',\n";
+                if (ref($target{$_}) eq "ARRAY") {
+                    print "      '",$_,"'"," " x ($largest - length($_))," => [ ",join(", ", map { "'$_'" } @{$target{$_}})," ],\n";
+                } else {
+                    print "      '",$_,"'"," " x ($largest - length($_))," => '",$target{$_},"',\n";
+                }
            }
        }
        print "    },\n";
@@ -1960,125 +2265,60 @@ sub print_table_entry
 
 # Utility routines ###################################################
 
+# On VMS, if the given file is a logical name, File::Spec::Functions
+# will consider it an absolute path.  There are cases when we want a
+# purely syntactic check without checking the environment.
+sub isabsolute {
+    my $file = shift;
+
+    # On non-platforms, we just use file_name_is_absolute().
+    return file_name_is_absolute($file) unless $^O eq "VMS";
+
+    # If the file spec includes a device or a directpry spec,
+    # file_name_is_absolute() is perfectly safe.
+    return file_name_is_absolute($file) if $file =~ m|[:\[]|;
+
+    # Here, we know the given file spec isn't absolute
+    return 0;
+}
+
+# Makes a directory absolute and cleans out /../ in paths like foo/../bar
+# On some platforms, this uses rel2abs(), while on others, realpath() is used.
+# realpath() requires that at least all path components except the last is an
+# existing directory.  On VMS, the last component of the directory spec must
+# exist.
+sub absolutedir {
+    my $dir = shift;
+
+    # realpath() is quite buggy on VMS.  It uses LIB$FID_TO_NAME, which
+    # will return the volume name for the device, no matter what.  Also,
+    # it will return an incorrect directory spec if the argument is a
+    # directory that doesn't exist.
+    if ($^O eq "VMS") {
+        return rel2abs($dir);
+    }
+
+    # We use realpath() on Unix, since no other will properly clean out
+    # a directory spec.
+    use Cwd qw/realpath/;
+
+    return realpath($dir);
+}
+
 sub which
        {
        my($name)=@_;
        my $path;
        foreach $path (split /:/, $ENV{PATH})
                {
-               if (-f "$path/$name$exe_ext" and -x _)
+               if (-f "$path/$name$target{exe_extension}" and -x _)
                        {
-                       return "$path/$name$exe_ext" unless ($name eq "perl" and
-                        system("$path/$name$exe_ext -e " . '\'exit($]<5.0);\''));
+                       return "$path/$name$target{exe_extension}" unless ($name eq "perl" and
+                        system("$path/$name$target{exe_extension} -e " . '\'exit($]<5.0);\''));
                        }
                }
        }
 
-sub print_table_entry
-       {
-       my $target = shift;
-       my %target = resolve_config($target);
-       my $type = shift;
-
-       # Don't print the templates
-       return if $target{template};
-
-       if ($type eq "TABLE") {
-           print <<"EOF"
-
-*** $target
-\$cc           = $target{cc}
-\$cflags       = $target{cflags}
-\$debug_cflags   = $target{debug_cflags}
-\$release_cflags = $target{release_cflags}
-\$unistd       = $target{unistd}
-\$thread_cflag = $target{thread_cflag}
-\$sys_id       = $target{sys_id}
-\$lflags       = $target{lflags}
-\$debug_lflags   = $target{debug_lflags}
-\$release_lflags = $target{release_lflags}
-\$bn_ops       = $target{bn_ops}
-\$cpuid_obj    = $target{cpuid_obj}
-\$bn_obj       = $target{bn_obj}
-\$ec_obj       = $target{ec_obj}
-\$des_obj      = $target{des_obj}
-\$aes_obj      = $target{aes_obj}
-\$bf_obj       = $target{bf_obj}
-\$md5_obj      = $target{md5_obj}
-\$sha1_obj     = $target{sha1_obj}
-\$cast_obj     = $target{cast_obj}
-\$rc4_obj      = $target{rc4_obj}
-\$rmd160_obj   = $target{rmd160_obj}
-\$rc5_obj      = $target{rc5_obj}
-\$wp_obj       = $target{wp_obj}
-\$cmll_obj     = $target{cmll_obj}
-\$modes_obj    = $target{modes_obj}
-\$engines_obj  = $target{engines_obj}
-\$chacha_obj   = $target{chacha_obj}
-\$poly1305_obj = $target{poly1305_obj}
-\$perlasm_scheme = $target{perlasm_scheme}
-\$dso_scheme   = $target{dso_scheme}
-\$shared_target= $target{shared_target}
-\$shared_cflag = $target{shared_cflag}
-\$shared_ldflag = $target{shared_ldflag}
-\$shared_extension = $target{shared_extension}
-\$ranlib       = $target{ranlib}
-\$arflags      = $target{arflags}
-\$multilib     = $target{multilib}
-EOF
-       } elsif ($type eq "HASH") {
-           my @sequence = (
-               "cc",
-               "cflags",
-               "debug_cflags",
-               "release_cflags",
-               "unistd",
-               "thread_cflag",
-               "sys_id",
-               "lflags",
-               "debug_lflags",
-               "release_lflags",
-               "bn_ops",
-               "cpuid_obj",
-               "bn_obj",
-               "ec_obj",
-               "des_obj",
-               "aes_obj",
-               "bf_obj",
-               "md5_obj",
-               "sha1_obj",
-               "cast_obj",
-               "rc4_obj",
-               "rmd160_obj",
-               "rc5_obj",
-               "wp_obj",
-               "cmll_obj",
-               "modes_obj",
-               "engines_obj",
-               "chacha_obj",
-               "poly1305_obj",
-               "perlasm_scheme",
-               "dso_scheme",
-               "shared_target",
-               "shared_cflag",
-               "shared_ldflag",
-               "shared_extension",
-               "ranlib",
-               "arflags",
-               "multilib",
-               );
-           my $largest =
-               length((sort { length($a) <=> length($b) } @sequence)[-1]);
-           print "    '$target' => {\n";
-           foreach (@sequence) {
-               if ($target{$_}) {
-                   print "      '",$_,"'"," " x ($largest - length($_))," => '",$target{$_},"',\n";
-               }
-           }
-           print "    },\n";
-       }
-       }
-
 sub quotify {
     my %processors = (
        perl    => sub { my $x = shift;
@@ -2091,3 +2331,88 @@ sub quotify {
 
     map { $processor->($_); } @_;
 }
+
+# collect_from_file($filename, $line_concat_cond_re, $line_concat)
+# $filename is a file name to read from
+# $line_concat_cond_re is a regexp detecting a line continuation ending
+# $line_concat is a CODEref that takes care of concatenating two lines
+sub collect_from_file {
+    my $filename = shift;
+    my $line_concat_cond_re = shift;
+    my $line_concat = shift;
+
+    open my $fh, $filename || die "unable to read $filename: $!\n";
+    return sub {
+        my $saved_line = "";
+        $_ = "";
+        while (<$fh>) {
+            s|\R$||;
+            if (defined $line_concat) {
+                $_ = $line_concat->($saved_line, $_);
+                $saved_line = "";
+            }
+            if (defined $line_concat_cond_re && /$line_concat_cond_re/) {
+                $saved_line = $_;
+                next;
+            }
+            return $_;
+        }
+        die "$filename ending with continuation line\n" if $_;
+        close $fh;
+        return undef;
+    }
+}
+
+# collect_from_array($array, $line_concat_cond_re, $line_concat)
+# $array is an ARRAYref of lines
+# $line_concat_cond_re is a regexp detecting a line continuation ending
+# $line_concat is a CODEref that takes care of concatenating two lines
+sub collect_from_array {
+    my $array = shift;
+    my $line_concat_cond_re = shift;
+    my $line_concat = shift;
+    my @array = (@$array);
+
+    return sub {
+        my $saved_line = "";
+        $_ = "";
+        while (defined($_ = shift @array)) {
+            s|\R$||;
+            if (defined $line_concat) {
+                $_ = $line_concat->($saved_line, $_);
+                $saved_line = "";
+            }
+            if (defined $line_concat_cond_re && /$line_concat_cond_re/) {
+                $saved_line = $_;
+                next;
+            }
+            return $_;
+        }
+        die "input text ending with continuation line\n" if $_;
+        return undef;
+    }
+}
+
+# collect_information($lineiterator, $line_continue, $regexp => $CODEref, ...)
+# $lineiterator is a CODEref that delivers one line at a time.
+# All following arguments are regex/CODEref pairs, where the regexp detects a
+# line and the CODEref does something with the result of the regexp.
+sub collect_information {
+    my $lineiterator = shift;
+    my %collectors = @_;
+
+    while(defined($_ = $lineiterator->())) {
+        s|\R$||;
+        my $found = 0;
+        foreach my $re (keys %collectors) {
+            if ($re ne "OTHERWISE" && /$re/) {
+                $collectors{$re}->($lineiterator);
+                $found = 1;
+            };
+        }
+        if ($collectors{"OTHERWISE"}) {
+            $collectors{"OTHERWISE"}->($lineiterator, $_)
+                unless $found || !defined $collectors{"OTHERWISE"};
+        }
+    }
+}