#! /usr/bin/env perl # -*- mode: perl; -*- ## Configure -- OpenSSL source tree configuration script require 5.10.0; use strict; use File::Basename; use File::Spec::Functions qw/:DEFAULT abs2rel rel2abs/; use File::Path qw/mkpath/; # see INSTALL for instructions. my $usage="Usage: Configure [no- ...] [enable- ...] [-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: # # --config add the given configuration file, which will be read after # any "Configurations*" files that are found in the same # directory as this script. # --prefix prefix for the OpenSSL installation, which includes the # directories bin, lib, include, share/man, share/doc/openssl # This becomes the value of INSTALLTOP in Makefile # (Default: /usr/local) # --openssldir OpenSSL data area, such as openssl.cnf, certificates and keys. # If it's a relative directory, it will be added on the directory # given with --prefix. # This becomes the value of OPENSSLDIR in Makefile and in C. # (Default: PREFIX/ssl) # # --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 # interfaces deprecated as of the specified OpenSSL version. # # no-hw-xxx do not compile support for specific crypto hardware. # Generic OpenSSL-style methods relating to this support # are always compiled but return NULL if the hardware # support isn't compiled. # no-hw do not compile support for any crypto hardware. # [no-]threads [don't] try to create a library that is suitable for # 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. # no-egd do not compile support for the entropy-gathering daemon APIs # [no-]zlib [don't] compile support for zlib compression. # zlib-dynamic Like "zlib", but the zlib library is expected to be a shared # library and will be loaded in run-time by the OpenSSL library. # sctp include SCTP support # 386 generate 80386 code # enable-weak-ssl-ciphers # Enable weak ciphers that are disabled by default. This currently # only includes RC4 based ciphers. # no-sse2 disables IA-32 SSE2 code, above option implies no-sse2 # no- build without specified algorithm (rsa, idea, rc5, ...) # - + compiler options are passed through # # 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. # BN_LLONG use the type 'long long' in crypto/bn/bn.h # RC4_CHAR use 'char' instead of 'int' for RC4_INT in crypto/rc4/rc4.h # Following are set automatically by this script # # MD5_ASM use some extra md5 assember, # SHA1_ASM use some extra sha1 assember, must define L_ENDIAN for x86 # RMD160_ASM use some extra ripemd160 assember, # SHA256_ASM sha256_block is implemented in assembler # SHA512_ASM sha512_block is implemented in assembler # AES_ASM ASE_[en|de]crypt is implemented in assembler # Minimum warning options... any contributions to OpenSSL should at least get # past these. 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 # -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; # 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 # -lc_r, which is sufficient. FreeBSD 4.x expands it as -lc_r, # which has to be accompanied by explicit -D_THREAD_SAFE and # sometimes -D_REENTRANT. FreeBSD 5.x expands it as -lc_r, which # seems to be sufficient? our $BSDthreads="-pthread -D_THREAD_SAFE -D_REENTRANT"; # # API compability name to version number mapping. # my $maxapi = "1.1.0"; # API for "no-deprecated" builds my $apitable = { "1.1.0" => "0x10100000L", "1.0.0" => "0x10000000L", "0.9.8" => "0x00908000L", }; our %table = (); our %config = (); our %withargs = (); # Forward declarations ############################################### # read_config(filename) # # Reads a configuration file and populates %table with the contents # (which the configuration file places in %targets). sub read_config; # resolve_config(target) # # Resolves all the late evalutations, inheritances and so on for the # chosen target and any target it inherits from. sub resolve_config; # 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{prefix}=""; $config{openssldir}=""; $config{processor}=""; $config{libdir}=""; $config{cross_compile_prefix}=""; $config{fipslibdir}="/usr/local/ssl/fips-2.0/lib/"; my $nofipscanistercheck=0; $config{baseaddr}="0xFB00000"; my $auto_threads=1; # enable threads automatically? true by default my $default_ranlib; $config{fips}=0; # Top level directories to build $config{dirs} = [ "crypto", "ssl", "engines", "apps", "test", "tools" ]; # crypto/ subdirectories to build $config{sdirs} = [ "objects", "md2", "md4", "md5", "sha", "mdc2", "hmac", "ripemd", "whrlpool", "poly1305", "blake2", "des", "aes", "rc2", "rc4", "rc5", "idea", "bf", "cast", "camellia", "seed", "chacha", "modes", "bn", "ec", "rsa", "dsa", "dh", "dso", "engine", "buffer", "bio", "stack", "lhash", "rand", "err", "evp", "asn1", "pem", "x509", "x509v3", "conf", "txt_db", "pkcs7", "pkcs12", "comp", "ocsp", "ui", "cms", "ts", "srp", "cmac", "ct", "async", "kdf" ]; # Known TLS and DTLS protocols my @tls = qw(ssl3 tls1 tls1_1 tls1_2); my @dtls = qw(dtls1 dtls1_2); # Explicitelly known options that are possible to disable. They can # be regexps, and will be used like this: /^no-${option}$/ # For developers: keep it sorted alphabetically my @disablables = ( "aes", "afalgeng", "asm", "async", "autoalginit", "autoerrinit", "bf", "blake2", "camellia", "capieng", "cast", "chacha", "cmac", "cms", "comp", "crypto-mdebug", "crypto-mdebug-backtrace", "ct", "deprecated", "des", "dgram", "dh", "dsa", "dso", "dtls", "dynamic-engine", "ec", "ec2m", "ecdh", "ecdsa", "ec_nistp_64_gcc_128", "egd", "engine", "err", "filenames", "gost", "heartbeats", "hmac", "hw(-.+)?", "idea", "makedepend", "md2", "md4", "md5", "mdc2", "multiblock", "nextprotoneg", "ocb", "ocsp", "pic", "poly1305", "posix-io", "psk", "rc2", "rc4", "rc5", "rdrand", "rfc3779", "ripemd", "rmd160", "rsa", "scrypt", "sct", "sctp", "seed", "sha", "shared", "sock", "srp", "srtp", "sse2", "ssl", "ssl-trace", "static-engine", "stdio", "threads", "tls", "ts", "ui", "unit-test", "whirlpool", "weak-ssl-ciphers", "zlib", "zlib-dynamic", ); foreach my $proto ((@tls, @dtls)) { push(@disablables, $proto); push(@disablables, "$proto-method"); } my @deprecated_disablables = ( "ssl2", ); # All of the following is disabled by default (RC5 was enabled before 0.9.8): our %disabled = ( # "what" => "comment" "ec_nistp_64_gcc_128" => "default", "egd" => "default", "md2" => "default", "rc5" => "default", "sctp" => "default", "shared" => "default", "ssl-trace" => "default", "ssl3" => "default", "ssl3-method" => "default", "unit-test" => "default", "weak-ssl-ciphers" => "default", "zlib" => "default", "zlib-dynamic" => "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 { $config{processor} eq "386" } => [ "sse2" ], "ssl" => [ "ssl3" ], "ssl3-method" => [ "ssl3" ], "zlib" => [ "zlib-dynamic" ], "des" => [ "mdc2" ], "ec" => [ "ecdsa", "ecdh" ], "dgram" => [ "dtls", "sctp" ], "dtls" => [ @dtls ], # SSL 3.0, (D)TLS 1.0 and TLS 1.1 require MD5 and SHA "md5" => [ "ssl", "tls1", "tls1_1", "dtls1" ], "sha" => [ "ssl", "tls1", "tls1_1", "dtls1" ], # Additionally, SSL 3.0 requires either RSA or DSA+DH sub { $disabled{rsa} && ($disabled{dsa} || $disabled{dh}); } => [ "ssl" ], # (D)TLS 1.0 and TLS 1.1 also require either RSA or DSA+DH # or ECDSA + ECDH. (D)TLS 1.2 has this requirement as well. # (XXX: We don't support PSK-only builds). sub { $disabled{rsa} && ($disabled{dsa} || $disabled{dh}) && ($disabled{ecdsa} || $disabled{ecdh}); } => [ "tls1", "tls1_1", "tls1_2", "dtls1", "dtls1_2" ], "tls" => [ @tls ], # 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" ], "shared" => [ "dynamic-engine" ], "engine" => [ "afalgeng" ], "comp" => [ "zlib" ], ); # Avoid protocol support holes. Also disable all versions below N, if version # N is disabled while N+1 is enabled. # my @list = (reverse @tls); while ((my $first, my $second) = (shift @list, shift @list)) { last unless @list; push @disable_cascades, ( sub { !$disabled{$first} && $disabled{$second} } => [ @list ] ); unshift @list, $second; } my @list = (reverse @dtls); while ((my $first, my $second) = (shift @list, shift @list)) { last unless @list; push @disable_cascades, ( sub { !$disabled{$first} && $disabled{$second} } => [ @list ] ); unshift @list, $second; } # Explicit "no-..." options will be collected in %disabled along with the defaults. # To remove something from %disabled, use "enable-foo". # For symmetry, "disable-foo" is a synonym for "no-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 $user_cflags=""; my @user_defines=(); $config{openssl_api_defines}=[]; $config{openssl_algorithm_defines}=[]; $config{openssl_thread_defines}=[]; $config{openssl_sys_defines}=[]; $config{openssl_other_defines}=[]; my $libs=""; my $target=""; $config{options}=""; $config{build_type} = "release"; my $classic = 0; my @argvcopy=@ARGV; if (grep /^reconf(igure)?$/, @argvcopy) { 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 $ENV{CC}; } elsif (open IN, ") { s|\R$||; 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($1)/e; } s /^-no-/no-/; # some people just can't read the instructions # rewrite some options in "enable-..." form s /^-?-?shared$/enable-shared/; s /^sctp$/enable-sctp/; s /^threads$/enable-threads/; s /^zlib$/enable-zlib/; s /^zlib-dynamic$/enable-zlib-dynamic/; if (/^(no|disable|enable)-(.+)$/) { my $word = $2; if (grep { $word =~ /^${_}$/ } @deprecated_disablables) { $deprecated_options{$_} = 1; next; } elsif (!grep { $word =~ /^${_}$/ } @disablables) { $unsupported_options{$_} = 1; next; } } if (/^no-(.+)$/ || /^disable-(.+)$/) { 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)"; } $disabled{"dtls"} = "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"; } # No longer an automatic choice $auto_threads = 0 if ($1 eq "threads"); } elsif (/^enable-(.+)$/) { if ($1 eq "static-engine") { $disabled{"dynamic-engine"} = "option"; } elsif ($1 eq "dynamic-engine") { delete $disabled{"dynamic-engine"}; } elsif ($1 eq "zlib-dynamic") { delete $disabled{"zlib"}; } my $algo = $1; delete $disabled{$algo}; # No longer an automatic choice $auto_threads = 0 if ($1 eq "threads"); } elsif (/^--strict-warnings$/) { $strict_warnings = 1; } elsif (/^--debug$/) { $config{build_type} = "debug"; } elsif (/^--release$/) { $config{build_type} = "release"; } elsif (/^386$/) { $config{processor}=386; } elsif (/^fips$/) { $config{fips}=1; } elsif (/^rsaref$/) { # No RSAref support any more since it's not needed. # The check for the option is there so scripts aren't # broken } elsif (/^nofipscanistercheck$/) { $config{fips} = 1; $nofipscanistercheck = 1; } elsif (/^[-+]/) { if (/^--classic$/) { $classic=1; } elsif (/^--prefix=(.*)$/) { $config{prefix}=$1; die "Directory given with --prefix MUST be absolute\n" unless file_name_is_absolute($config{prefix}); } elsif (/^--api=(.*)$/) { $config{api}=$1; } elsif (/^--libdir=(.*)$/) { $config{libdir}=$1; } elsif (/^--openssldir=(.*)$/) { $config{openssldir}=$1; } elsif (/^--with-zlib-lib=(.*)$/) { $withargs{zlib_lib}=$1; } elsif (/^--with-zlib-include=(.*)$/) { $withargs{zlib_include}="-I$1"; } elsif (/^--with-fipslibdir=(.*)$/) { $config{fipslibdir}="$1/"; } elsif (/^--with-baseaddr=(.*)$/) { $config{baseaddr}="$1"; } elsif (/^--cross-compile-prefix=(.*)$/) { $config{cross_compile_prefix}=$1; } elsif (/^--config=(.*)$/) { read_config $1; } elsif (/^-[lL](.*)$/ or /^-Wl,/) { $libs.=$_." "; } elsif (/^-D(.*)$/) { push @user_defines, $1; } else # common if (/^[-+]/), just pass down... { $_ =~ s/%([0-9a-f]{1,2})/chr(hex($1))/gei; $user_cflags.=" ".$_; } } else { die "target already defined - $target (offending arg: $_)\n" if ($target ne ""); $target=$_; } unless ($_ eq $target || /^no-/ || /^disable-/) { # "no-..." follows later after implied disactivations # have been derived. (Don't take this too seroiusly, # we really only write OPTIONS to the Makefile out of # nostalgia.) if ($config{options} eq "") { $config{options} = $_; } else { $config{options} .= " ".$_; } } if (defined($config{api}) && !exists $apitable->{$config{api}}) { die "***** Unsupported api compatibility level: $config{api}\n", } if (keys %deprecated_options) { warn "***** Deprecated options: ", join(", ", keys %deprecated_options), "\n"; } if (keys %unsupported_options) { die "***** Unsupported options: ", join(", ", keys %unsupported_options), "\n"; } } if ($config{fips}) { delete $disabled{"shared"} if ($disabled{"shared"} =~ /^default/); } else { @{$config{dirs}} = grep !/^fips$/, @{$config{dirs}}; } my @tocheckfor = (keys %disabled); while (@tocheckfor) { my %new_tocheckfor = (); my @cascade_copy = (@disable_cascades); while (@cascade_copy) { my ($test, $descendents) = (shift @cascade_copy, shift @cascade_copy); if (ref($test) eq "CODE" ? $test->() : defined($disabled{$test})) { map { $new_tocheckfor{$_} = 1; $disabled{$_} = "forced"; } grep { !defined($disabled{$_}) } @$descendents; } } @tocheckfor = (keys %new_tocheckfor); } if ($target eq "TABLE") { foreach (sort keys %table) { print_table_entry($_, "TABLE"); } exit 0; } if ($target eq "LIST") { foreach (sort keys %table) { print $_,"\n" unless $table{$_}->{template}; } exit 0; } if ($target eq "HASH") { print "%table = (\n"; foreach (sort keys %table) { print_table_entry($_, "HASH"); } exit 0; } # Backward compatibility? if ($target =~ m/^CygWin32(-.*)$/) { $target = "Cygwin".$1; } foreach (sort (keys %disabled)) { $config{options} .= " no-$_"; printf " no-%-12s %-10s", $_, "[$disabled{$_}]"; if (/^dso$/) { } elsif (/^threads$/) { } elsif (/^shared$/) { } elsif (/^pic$/) { } elsif (/^zlib$/) { } elsif (/^dynamic-engine$/) { } elsif (/^makedepend$/) { } 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-/ || /^async$/ || /^autoalginit/ || /^autoerrinit/) { push @{$config{openssl_other_defines}}, "OPENSSL_NO_$ALGO"; print " OPENSSL_NO_$ALGO"; if (/^err$/) { push @user_defines, "OPENSSL_NO_ERR"; } } else { ($ALGO,$algo) = ("RMD160","rmd160") if ($algo eq "ripemd"); push @{$config{openssl_algorithm_defines}}, "OPENSSL_NO_$ALGO"; print " OPENSSL_NO_$ALGO"; # fix-up crypto/directory name(s) $algo="whrlpool" if $algo eq "whirlpool"; $algo="ripemd" if $algo eq "rmd160"; @{$config{sdirs}} = grep { $_ ne $algo} @{$config{sdirs}}; print " (skip dir)"; } } print "\n"; } print "Configuring for $target\n"; # Support for legacy targets having a name starting with 'debug-' my ($d, $t) = $target =~ m/^(debug-)?(.*)$/; if ($d) { $config{build_type} = "debug"; # If we do not find debug-foo in the table, the target is set to foo. if (!$table{$target}) { $target = $t; } } $config{target} = $target; my %target = resolve_config($target); &usage if (!%target || $target{template}); %target = ( %{$table{DEFAULTS}}, %target ); $target{exe_extension}=""; $target{exe_extension}=".exe" if ($config{target} eq "DJGPP" || $config{target} =~ /^(?:Cygwin|mingw)/); $target{exe_extension}=".pm" if ($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)/); $config{cross_compile_prefix} = $ENV{'CROSS_COMPILE'} if $config{cross_compile_prefix} eq ""; # Allow overriding the names of some tools. USE WITH CARE $config{perl} = $ENV{'PERL'} || which("perl5") || which("perl") || "perl"; $target{cc} = $ENV{'CC'} || $target{cc} || "cc"; $target{ranlib} = $ENV{'RANLIB'} || $target{ranlib} || which("ranlib") || "true"; $target{ar} = $ENV{'AR'} || $target{ar} || "ar"; $target{nm} = $ENV{'NM'} || $target{nm} || "nm"; # 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). $config{defines} = []; $config{cflags} = ""; $config{ex_libs} = ""; $config{shared_ldflag} = ""; # Make sure build_scheme is consistent. $target{build_scheme} = [ $target{build_scheme} ] if ref($target{build_scheme}) ne "ARRAY"; ###### TO BE REMOVED WHEN CLASSIC BUILD IS REMOVED ###### ###### If the user has chosen --classic, we give it to them. ###### If they try that with an out-of-source config, we complain. if ($target{build_scheme}->[0] eq "unified" && $classic) { die "Can't perform a classic build out of source tree\n" if $srcdir ne $blddir; $target{build_scheme} = { unix => [ "unixmake" ], windows => undef, VMS => undef } -> {$target{build_scheme}->[1]}; die "Classic mode unavailable on this platform\n" unless defined($target{build_scheme}); } my ($builder, $builder_platform, @builder_opts) = @{$target{build_scheme}}; if ($target =~ /^mingw/ && `$target{cc} --target-help 2>&1` =~ m/-mno-cygwin/m) { $config{cflags} .= " -mno-cygwin"; $config{shared_ldflag} .= " -mno-cygwin"; } if ($target =~ /linux.*-mips/ && !$disabled{asm} && $user_cflags !~ /-m(ips|arch=)/) { # minimally required architecture flags for assembly modules $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; my $no_user_defines=0; # The DSO code currently always implements all functions so that no # applications will have to worry about that from a compilation point # of view. However, the "method"s may return zero unless that platform # has support compiled in for them. Currently each method is enabled # by a define "DSO_" ... we translate the "dso_scheme" config # string entry into using the following logic; if (!$disabled{dso} && $target{dso_scheme} ne "") { $target{dso_scheme} =~ tr/[a-z]/[A-Z]/; if ($target{dso_scheme} eq "DLFCN") { unshift @{$config{defines}}, "DSO_DLFCN", "HAVE_DLFCN_H"; } elsif ($target{dso_scheme} eq "DLFCN_NO_H") { unshift @{$config{defines}}, "DSO_DLFCN"; } else { unshift @{$config{defines}}, "DSO_$target{dso_scheme}"; } } $config{ex_libs}="$libs$config{ex_libs}" if ($libs ne ""); if ($disabled{asm}) { if ($config{fips}) { @{$config{defines}} = grep !/^[BL]_ENDIAN$/, @{$config{defines}}; @{$target{defines}} = grep !/^[BL]_ENDIAN$/, @{$target{defines}}; } } # If threads aren't disabled, check how possible they are unless ($disabled{threads}) { if ($auto_threads) { # Enabled by default, disable it forcibly if unavailable if ($target{thread_scheme} eq "(unknown)") { $disabled{threads} = "unavailable"; } } else { # The user chose to enable threads explicitely, let's see # if there's a chance that's possible if ($target{thread_scheme} eq "(unknown)") { # If the user asked for "threads" and we don't have internal # knowledge how to do it, [s]he is expected to provide any # system-dependent compiler options that are necessary. We # can't truly check that the given options are correct, but # we expect the user to know what [s]He is doing. if ($no_user_cflags && $no_user_defines) { die "You asked for multi-threading support, but didn't\n" ,"provide any system-specific compiler options\n"; } } } } # If threads still aren't disabled, add a C macro to ensure the source # code knows about it. Any other flag is taken care of by the configs. unless($disabled{threads}) { foreach (("defines", "openssl_thread_defines")) { push @{$config{$_}}, "OPENSSL_THREADS"; } } # With "deprecated" disable all deprecated features. if (defined($disabled{"deprecated"})) { $config{api} = $maxapi; } if ($target{shared_target} eq "") { $no_shared_warn = 1 if ((!$disabled{shared} || !$disabled{"dynamic-engine"}) && !$config{fips}); $disabled{shared} = "no-shared-target"; $disabled{pic} = $disabled{shared} = $disabled{"dynamic-engine"} = "no-shared-target"; } if ($disabled{"dynamic-engine"}) { push @{$config{defines}}, "OPENSSL_NO_DYNAMIC_ENGINE"; $config{dynamic_engines} = 0; } else { push @{$config{defines}}, "OPENSSL_NO_STATIC_ENGINE"; $config{dynamic_engines} = 1; } # # Platform fix-ups # # This saves the build files from having to check if ($disabled{pic}) { $target{shared_cflag} = $target{shared_ldflag} = $target{shared_rcflag} = ""; } else { push @{$config{defines}}, "OPENSSL_PIC"; } if ($target{sys_id} ne "") { push @{$config{openssl_sys_defines}}, "OPENSSL_SYS_$target{sys_id}"; } unless ($disabled{asm}) { $target{cpuid_asm_src}=$table{DEFAULTS}->{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 push @{$config{defines}}, "OPENSSL_BN_ASM_PART_WORDS" if ($target{bn_asm_src} =~ /bn-586/); push @{$config{defines}}, "OPENSSL_IA32_SSE2" if (!$no_sse2 && $target{bn_asm_src} =~ /86/); push @{$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 ($target{bn_asm_src} =~ /-gf2m/); if ($config{fips}) { push @{$config{openssl_other_defines}}, "OPENSSL_FIPS"; } if ($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_asm_src}) { push @{$config{defines}}, "MD5_ASM"; } $target{cast_asm_src}=$table{DEFAULTS}->{cast_asm_src} unless $disabled{pic}; # CAST assembler is not PIC if ($target{rmd160_asm_src}) { push @{$config{defines}}, "RMD160_ASM"; } if ($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... 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 ($target{wp_asm_src} =~ /mmx/) { if ($config{processor} eq "386") { $target{wp_asm_src}=$table{DEFAULTS}->{wp_asm_src}; } elsif (!$disabled{"whirlpool"}) { push @{$config{defines}}, "WHIRLPOOL_ASM"; } } if ($target{modes_asm_src} =~ /ghash-/) { push @{$config{defines}}, "GHASH_ASM"; } if ($target{ec_asm_src} =~ /ecp_nistz256/) { push @{$config{defines}}, "ECP_NISTZ256_ASM"; } if ($target{poly1305_asm_src} ne "") { push @{$config{defines}}, "POLY1305_ASM"; } } my $ecc = $target{cc}; if ($^O ne "VMS" && !$disabled{makedepend}) { # 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}$target{cc}"; open(PIPE, "$ccpcc --version 2>&1 |"); my $lines = 2; while ( ) { # Find the version number and save the major. m|(?:.*)\b(\d+)\.\d+\.\d+\b(?:.*)|; my $compiler_major = $1; # We know that GNU C version 3 and up as well as all clang # versions support dependency generation $config{makedepprog} = $ccpcc if (/clang/ || (/gcc/ && $compiler_major > 3)); $ecc = "clang" if /clang/; $ecc = "gcc" if /gcc/; last if ($config{makedepprog} || !$lines--); } close(PIPE); $config{makedepprog} = which('makedepend') unless $config{makedepprog}; $disabled{makedepend} = "unavailable" unless $config{makedepprog}; } # 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; # 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 eq 'gcc' || $ecc eq 'clang'; foreach $wopt (split /\s+/, $gcc_devteam_warn) { $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/) } if ($ecc eq "clang") { foreach $wopt (split /\s+/, $clang_devteam_warn) { $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/) } } } unless ($disabled{"crypto-mdebug-backtrace"}) { foreach my $wopt (split /\s+/, $memleak_devteam_backtrace) { $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 { $no_user_defines=1; } # ALL MODIFICATIONS TO %config and %target MUST BE DONE FROM HERE ON unless ($disabled{afalgeng}) { $config{afalgeng}=""; if ($target =~ m/^linux/) { my $minver = 4*10000 + 1*100 + 0; if ($config{cross_compile_prefix} eq "") { my $verstr = `uname -r`; my ($ma, $mi1, $mi2) = split("\\.", $verstr); ($mi2) = $mi2 =~ /(\d+)/; my $ver = $ma*10000 + $mi1*100 + $mi2; if ($ver < $minver) { $disabled{afalgeng} = "too-old-kernel"; } else { push @{$config{engdirs}}, "afalg"; } } else { $disabled{afalgeng} = "cross-compiling"; } } else { $disabled{afalgeng} = "not-linux"; } } push @{$config{openssl_other_defines}}, "OPENSSL_NO_AFALGENG" if ($disabled{afalgeng}); # If we use the unified build, collect information from build.info files my %unified_info = (); my $buildinfo_debug = defined($ENV{CONFIGURE_DEBUG_BUILDINFO}); 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 = $_->[1]; # The basic things we're trying to build my @programs = (); my @libraries = (); my @engines = (); my @scripts = (); my @extra = (); my @overrides = (); my @intermediates = (); my @rawlines = (); my %ordinals = (); my %sources = (); my %shared_sources = (); my %includes = (); my %depends = (); my %renames = (); my %sharednames = (); my %generate = (); push @{$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 { if (! @skip || $skip[$#skip] > 0) { push @skip, !! $1; } else { 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*OVERRIDES\s*=\s*(.*)\s*$/ => sub { push @overrides, 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*SHARED_SOURCE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/ => sub { push @{$shared_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*GENERATE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/ => sub { push @{$generate{$1}}, $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" }, "BEFORE" => sub { if ($buildinfo_debug) { print STDERR "DEBUG: Parsing ",join(" ", @_),"\n"; print STDERR "DEBUG: ... before parsing, skip stack is ",join(" ", map { int($_) } @skip),"\n"; } }, "AFTER" => sub { if ($buildinfo_debug) { print STDERR "DEBUG: .... after parsing, skip stack is ",join(" ", map { int($_) } @skip),"\n"; } }, ); 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; } foreach (@overrides) { my $override = cleanfile($buildd, $_, $blddir); $unified_info{overrides}->{$override} = 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", "libcrypto.num"), $blddir), ssl => cleanfile($sourced, catfile("util", "libssl.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 %shared_sources) { my $dest = $_; my $ddest = cleanfile($buildd, $_, $blddir); if ($unified_info{rename}->{$ddest}) { $ddest = $unified_info{rename}->{$ddest}; } foreach (@{$shared_sources{$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); $unified_info{shared_sources}->{$ddest}->{$o} = 1; $unified_info{sources}->{$o}->{$s} = 1; } else { die "unrecognised source file type for shared library: $s\n"; } } } foreach (keys %generate) { my $dest = $_; my $ddest = cleanfile($buildd, $_, $blddir); if ($unified_info{rename}->{$ddest}) { $ddest = $unified_info{rename}->{$ddest}; } die "more than one generator for $dest: " ,join(" ", @{$generate{$_}}),"\n" if scalar @{$generate{$_}} > 1; my @generator = split /\s+/, $generate{$dest}->[0]; $generator[0] = cleanfile($sourced, $generator[0], $blddir), $unified_info{generate}->{$ddest} = [ @generator ]; } 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", "overrides")) { $unified_info{$_} = [ sort keys %{$unified_info{$_}} ]; } # Two level structures foreach my $l1 (("sources", "shared_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: $!\n"; print OUT <<"EOF"; package configdata; use strict; use warnings; use Exporter; #use vars qw(\@ISA \@EXPORT); our \@ISA = qw(Exporter); our \@EXPORT = qw(\%config \%target \%disabled \%withargs \%unified_info \@disablables); EOF print OUT "our %config = (\n"; foreach (sort keys %config) { if (ref($config{$_}) eq "ARRAY") { print OUT " ", $_, " => [ ", join(", ", map { quotify("perl", $_) } @{$config{$_}}), " ],\n"; } else { print OUT " ", $_, " => ", quotify("perl", $config{$_}), ",\n" } } print OUT <<"EOF"; ); EOF print OUT "our %target = (\n"; foreach (sort keys %target) { if (ref($target{$_}) eq "ARRAY") { print OUT " ", $_, " => [ ", join(", ", map { quotify("perl", $_) } @{$target{$_}}), " ],\n"; } else { print OUT " ", $_, " => ", quotify("perl", $target{$_}), ",\n" } } print OUT <<"EOF"; ); EOF 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"; ); EOF print OUT "our \@disablables = (\n"; foreach (@disablables) { print OUT " ", quotify("perl", $_), ",\n"; } print OUT <<"EOF"; ); EOF print OUT "our \%disabled = (\n"; foreach (sort keys %disabled) { print OUT " ", quotify("perl", $_), " => ", quotify("perl", $disabled{$_}), ",\n"; } print OUT <<"EOF"; ); 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); print "CC =$target{cc}\n"; print "CFLAG =$target{cflags} $config{cflags}\n"; print "SHARED_CFLAG =$target{shared_cflag}\n"; print "DEFINES =",join(" ", @{$target{defines}}, @{$config{defines}}),"\n"; print "LFLAG =$target{lflags}\n"; print "PLIB_LFLAG =$target{plib_lflags}\n"; print "EX_LIBS =$target{ex_libs} $config{ex_libs}\n"; print "APPS_OBJ =$target{apps_obj}\n"; print "CPUID_OBJ =$target{cpuid_obj}\n"; print "UPLINK_OBJ =$target{uplink_obj}\n"; print "BN_ASM =$target{bn_obj}\n"; print "EC_ASM =$target{ec_obj}\n"; print "DES_ENC =$target{des_obj}\n"; print "AES_ENC =$target{aes_obj}\n"; print "BF_ENC =$target{bf_obj}\n"; print "CAST_ENC =$target{cast_obj}\n"; print "RC4_ENC =$target{rc4_obj}\n"; print "RC5_ENC =$target{rc5_obj}\n"; print "MD5_OBJ_ASM =$target{md5_obj}\n"; print "SHA1_OBJ_ASM =$target{sha1_obj}\n"; print "RMD160_OBJ_ASM=$target{rmd160_obj}\n"; print "CMLL_ENC =$target{cmll_obj}\n"; print "MODES_OBJ =$target{modes_obj}\n"; print "PADLOCK_OBJ =$target{padlock_obj}\n"; print "CHACHA_ENC =$target{chacha_obj}\n"; print "POLY1305_OBJ =$target{poly1305_obj}\n"; print "BLAKE2_OBJ =$target{blake2_obj}\n"; print "PROCESSOR =$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} ne $def_int; for (@generated_headers) { mkpath(catdir($blddir, dirname($_))); run_dofile(catfile($blddir, $_), catfile($srcdir, $_.".in")); } ### ### When the old "unixmake" scheme goes away, so does this function ### sub build_Makefile { run_dofile("Makefile","Makefile.in"); # Copy all Makefile.in to Makefile (except top-level) use File::Find; use IO::File; find( { preprocess => sub { grep(!/^\./, @_); }, wanted => sub { return if ($_ 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", $File::Find::dir; }, }, "."); } my %builders = ( unified => sub { run_dofile(catfile($blddir, $target{build_file}), $config{build_file_template}, catfile($srcdir, "Configurations", "common.tmpl")); }, unixmake => sub { build_Makefile(); run_dofile("util/domd", "util/domd.in"); chmod 0755, "util/domd"; }, ); $builders{$builder}->($builder_platform, @builder_opts); print <<"EOF"; Configured for $target. EOF print <<"EOF" if ($disabled{threads} eq "unavailable"); The library could not be configured for supporting multi-threaded applications as the compiler options required on this system are not known. See file INSTALL for details if you need multi-threading. EOF print <<"EOF" if ($no_shared_warn); 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 exit(0); ###################################################################### # # Helpers and utility functions # # Configuration file reading ######################################### # Note: All of the helper functions are for lazy evaluation. They all # return a CODE ref, which will return the intended value when evaluated. # Thus, whenever there's mention of a returned value, it's about that # intended value. # Helper function to implement conditional inheritance depending on the # value of $disabled{asm}. Used in inherit_from values as follows: # # inherit_from => [ "template", asm("asm_tmpl") ] # sub asm { my @x = @_; sub { $disabled{asm} ? () : @x; } } # Helper function to implement conditional value variants, with a default # plus additional values based on the value of $config{build_type}. # Arguments are given in hash table form: # # picker(default => "Basic string: ", # debug => "debug", # release => "release") # # When configuring with --debug, the resulting string will be # "Basic string: debug", and when not, it will be "Basic string: release" # # This can be used to create variants of sets of flags according to the # build type: # # cflags => picker(default => "-Wall", # debug => "-g -O0", # release => "-O3") # sub picker { my %opts = @_; return sub { add($opts{default} || (), $opts{$config{build_type}} || ())->(); } } # Helper function to combine several values of different types into one. # This is useful if you want to combine a string with the result of a # lazy function, such as: # # cflags => combine("-Wall", sub { $disabled{zlib} ? () : "-DZLIB" }) # sub combine { my @stuff = @_; return sub { add(@stuff)->(); } } # Helper function to implement conditional values depending on the value # of $disabled{threads}. Can be used as follows: # # cflags => combine("-Wall", threads("-pthread")) # sub threads { my @flags = @_; return sub { add($disabled{threads} ? () : @flags)->(); } } our $add_called = 0; # Helper function to implement adding values to already existing configuration # values. It handles elements that are ARRAYs, CODEs and scalars sub _add { my $separator = shift; # 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 { my $res = $_; while (ref($res) eq "CODE") { $res = $res->(); } if (defined($res)) { if (ref($res) eq "ARRAY") { $found_array = 1; @$res; } else { $res; } } else { (); } } (@_); $add_called = 1; if ($found_array) { [ @values ]; } else { join($separator, grep { defined($_) && $_ ne "" } @values); } } sub add_before { my $separator = " "; if (ref($_[$#_]) eq "HASH") { my $opts = pop; $separator = $opts->{separator}; } my @x = @_; sub { _add($separator, @x, @_) }; } sub add { my $separator = " "; if (ref($_[$#_]) eq "HASH") { my $opts = pop; $separator = $opts->{separator}; } my @x = @_; sub { _add($separator, @_, @x) }; } # configuration reader, evaluates the input file as a perl script and expects # it to fill %targets with target configurations. Those are then added to # %table. sub read_config { my $fname = shift; open(CONFFILE, "< $fname") or die "Can't open configuration file '$fname'!\n"; my $x = $/; undef $/; my $content = ; $/ = $x; close(CONFFILE); my %targets = (); { local %table = %::table; # Protect %table from tampering eval $content; warn $@ if $@; } # For each target, check that it's configured with a hash table. foreach (keys %targets) { if (ref($targets{$_}) ne "HASH") { if (ref($targets{$_}) eq "") { warn "Deprecated target configuration for $_, ignoring...\n"; } else { warn "Misconfigured target configuration for $_ (should be a hash table), ignoring...\n"; } delete $targets{$_}; } } %table = (%table, %targets); } # configuration resolver. Will only resolve all the lazy evalutation # codeblocks for the chozen target and all those it inherits from, # recursively sub resolve_config { my $target = shift; my @breadcrumbs = @_; # my $extra_checks = defined($ENV{CONFIGURE_EXTRA_CHECKS}); if (grep { $_ eq $target } @breadcrumbs) { die "inherit_from loop! target backtrace:\n " ,$target,"\n ",join("\n ", @breadcrumbs),"\n"; } if (!defined($table{$target})) { warn "Warning! target $target doesn't exist!\n"; return (); } # Recurse through all inheritances. They will be resolved on the # fly, so when this operation is done, they will all just be a # bunch of attributes with string values. # What we get here, though, are keys with references to lists of # the combined values of them all. We will deal with lists after # this stage is done. my %combined_inheritance = (); if ($table{$target}->{inherit_from}) { my @inherit_from = map { ref($_) eq "CODE" ? $_->() : $_ } @{$table{$target}->{inherit_from}}; foreach (@inherit_from) { my %inherited_config = resolve_config($_, $target, @breadcrumbs); # 'template' is a marker that's considered private to # the config that had it. delete $inherited_config{template}; map { if (!$combined_inheritance{$_}) { $combined_inheritance{$_} = []; } push @{$combined_inheritance{$_}}, $inherited_config{$_}; } keys %inherited_config; } } # We won't need inherit_from in this target any more, since we've # resolved all the inheritances that lead to this delete $table{$target}->{inherit_from}; # Now is the time to deal with those lists. Here's the place to # decide what shall be done with those lists, all based on the # values of the target we're currently dealing with. # - If a value is a coderef, it will be executed with the list of # inherited values as arguments. # - If the corresponding key doesn't have a value at all or is the # emoty string, the inherited value list will be run through the # default combiner (below), and the result becomes this target's # 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 %all_keys = map { $_ => 1 } (keys %combined_inheritance, keys %{$table{$target}}); sub process_values { my $object = shift; my $inherited = shift; # Always a [ list ] my $target = shift; my $entry = shift; $add_called = 0; while(ref($object) eq "CODE") { $object = $object->(@$inherited); } if (!defined($object)) { return (); } elsif (ref($object) eq "ARRAY") { local $add_called; # To make sure recursive calls don't affect it return [ map { process_values($_, $inherited, $target, $entry) } @$object ]; } elsif (ref($object) eq "") { return $object; } else { die "cannot handle reference type ",ref($object) ," found in target ",$target," -> ",$entry,"\n"; } } foreach (sort keys %all_keys) { my $previous = $combined_inheritance{$_}; # Current target doesn't have a value for the current key? # Assign it the default combiner, the rest of this loop body # will handle it just like any other coderef. if (!exists $table{$target}->{$_}) { $table{$target}->{$_} = $default_combiner; } $table{$target}->{$_} = process_values($table{$target}->{$_}, $combined_inheritance{$_}, $target, $_); unless(defined($table{$target}->{$_})) { delete $table{$target}->{$_}; } # if ($extra_checks && # $previous && !($add_called || $previous ~~ $table{$target}->{$_})) { # warn "$_ got replaced in $target\n"; # } } # Finally done, return the result. return %{$table{$target}}; } sub usage { print STDERR $usage; print STDERR "\npick os/compiler from:\n"; my $j=0; my $i; my $k=0; foreach $i (sort keys %table) { next if $table{$i}->{template}; next if $i =~ /^debug/; $k += length($i) + 1; if ($k > 78) { print STDERR "\n"; $k=length($i); } print STDERR $i . " "; } foreach $i (sort keys %table) { next if $table{$i}->{template}; next if $i !~ /^debug/; $k += length($i) + 1; if ($k > 78) { print STDERR "\n"; $k=length($i); } print STDERR $i . " "; } print STDERR "\n\nNOTE: If in doubt, on Unix-ish systems use './config'.\n"; 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 { my $target = shift; my %target = resolve_config($target); my $type = shift; # Don't print the templates return if $target{template}; my @sequence = ( "sys_id", "cc", "cflags", "defines", "unistd", "ld", "lflags", "plib_lflags", "ex_libs", "bn_ops", "cpuid_obj", "bn_obj", "ec_obj", "des_obj", "aes_obj", "bf_obj", "md5_obj", "sha1_obj", "cast_obj", "rc4_obj", "rmd160_obj", "rc5_obj", "wp_obj", "cmll_obj", "modes_obj", "padlock_obj", "thread_scheme", "perlasm_scheme", "dso_scheme", "shared_target", "shared_cflag", "shared_ldflag", "shared_rcflag", "shared_extension", "shared_extension_simple", "shared_import_extension", "dso_extension", "obj_extension", "exe_extension", "ranlib", "ar", "arflags", "multilib", "build_scheme", ); if ($type eq "TABLE") { print "\n"; print "*** $target\n"; foreach (@sequence) { if (ref($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 ($target{$_}) { if (ref($target{$_}) eq "ARRAY") { print " '",$_,"'"," " x ($largest - length($_))," => [ ",join(", ", map { "'$_'" } @{$target{$_}})," ],\n"; } else { print " '",$_,"'"," " x ($largest - length($_))," => '",$target{$_},"',\n"; } } } print " },\n"; } } # 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}) { my $fullpath = "$path/$name$target{exe_extension}"; if (-f $fullpath and -x $fullpath) { return $fullpath unless ($name eq "perl" and system("$fullpath -e " . '\'exit($]<5.0);\'')); } } } sub quotify { my %processors = ( perl => sub { my $x = shift; $x =~ s/([\\\$\@"])/\\$1/g; return '"'.$x.'"'; }, ); my $for = shift; my $processor = defined($processors{$for}) ? $processors{$for} : sub { shift; }; 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 $found = 0; if ($collectors{"BEFORE"}) { $collectors{"BEFORE"}->($_); } foreach my $re (keys %collectors) { if ($re !~ /^OTHERWISE|BEFORE|AFTER$/ && /$re/) { $collectors{$re}->($lineiterator); $found = 1; }; } if ($collectors{"OTHERWISE"}) { $collectors{"OTHERWISE"}->($lineiterator, $_) unless $found || !defined $collectors{"OTHERWISE"}; } if ($collectors{"AFTER"}) { $collectors{"AFTER"}->($_); } } }