3 # Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
5 # Licensed under the OpenSSL license (the "License"). You may not use
6 # this file except in compliance with the License. You can obtain a copy
7 # in the file LICENSE in the source distribution or at
8 # https://www.openssl.org/source/license.html
10 ## Configure -- OpenSSL source tree configuration script
15 use File::Spec::Functions qw/:DEFAULT abs2rel rel2abs/;
16 use File::Path qw/mkpath/;
17 use if $^O ne "VMS", 'File::Glob' => qw/glob/;
19 # see INSTALL for instructions.
21 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";
25 # --config add the given configuration file, which will be read after
26 # any "Configurations*" files that are found in the same
27 # directory as this script.
28 # --prefix prefix for the OpenSSL installation, which includes the
29 # directories bin, lib, include, share/man, share/doc/openssl
30 # This becomes the value of INSTALLTOP in Makefile
31 # (Default: /usr/local)
32 # --openssldir OpenSSL data area, such as openssl.cnf, certificates and keys.
33 # If it's a relative directory, it will be added on the directory
34 # given with --prefix.
35 # This becomes the value of OPENSSLDIR in Makefile and in C.
36 # (Default: PREFIX/ssl)
38 # --cross-compile-prefix Add specified prefix to binutils components.
40 # --api One of 0.9.8, 1.0.0 or 1.1.0. Do not compile support for
41 # interfaces deprecated as of the specified OpenSSL version.
43 # no-hw-xxx do not compile support for specific crypto hardware.
44 # Generic OpenSSL-style methods relating to this support
45 # are always compiled but return NULL if the hardware
46 # support isn't compiled.
47 # no-hw do not compile support for any crypto hardware.
48 # [no-]threads [don't] try to create a library that is suitable for
49 # multithreaded applications (default is "threads" if we
51 # [no-]shared [don't] try to create shared libraries when supported.
52 # [no-]pic [don't] try to build position independent code when supported.
53 # If disabled, it also disables shared and dynamic-engine.
54 # no-asm do not use assembler
55 # no-dso do not compile in any native shared-library methods. This
56 # will ensure that all methods just return NULL.
57 # no-egd do not compile support for the entropy-gathering daemon APIs
58 # [no-]zlib [don't] compile support for zlib compression.
59 # zlib-dynamic Like "zlib", but the zlib library is expected to be a shared
60 # library and will be loaded in run-time by the OpenSSL library.
61 # sctp include SCTP support
62 # 386 generate 80386 code
63 # enable-weak-ssl-ciphers
64 # Enable weak ciphers that are disabled by default. This currently
65 # only includes RC4 based ciphers.
66 # no-sse2 disables IA-32 SSE2 code, above option implies no-sse2
67 # no-<cipher> build without specified algorithm (rsa, idea, rc5, ...)
68 # -<xxx> +<xxx> compiler options are passed through
70 # DEBUG_SAFESTACK use type-safe stacks to enforce type-safety on stack items
71 # provided to stack calls. Generates unique stack functions for
72 # each possible stack type.
73 # BN_LLONG use the type 'long long' in crypto/bn/bn.h
74 # RC4_CHAR use 'char' instead of 'int' for RC4_INT in crypto/rc4/rc4.h
75 # Following are set automatically by this script
77 # MD5_ASM use some extra md5 assembler,
78 # SHA1_ASM use some extra sha1 assembler, must define L_ENDIAN for x86
79 # RMD160_ASM use some extra ripemd160 assembler,
80 # SHA256_ASM sha256_block is implemented in assembler
81 # SHA512_ASM sha512_block is implemented in assembler
82 # AES_ASM AES_[en|de]crypt is implemented in assembler
84 # Minimum warning options... any contributions to OpenSSL should at least get
87 # DEBUG_UNUSED enables __owur (warn unused result) checks.
88 my $gcc_devteam_warn = "-DDEBUG_UNUSED"
89 # -DPEDANTIC complements -pedantic and is meant to mask code that
90 # is not strictly standard-compliant and/or implementation-specific,
91 # e.g. inline assembly, disregards to alignment requirements, such
92 # that -pedantic would complain about. Incidentally -DPEDANTIC has
93 # to be used even in sanitized builds, because sanitizer too is
94 # supposed to and does take notice of non-standard behaviour. Then
95 # -pedantic with pre-C9x compiler would also complain about 'long
96 # long' not being supported. As 64-bit algorithms are common now,
97 # it grew impossible to resolve this without sizeable additional
98 # code, so we just tell compiler to be pedantic about everything
99 # but 'long long' type.
100 . " -DPEDANTIC -pedantic -Wno-long-long"
103 . " -Wmissing-prototypes"
110 # These are used in addition to $gcc_devteam_warn when the compiler is clang.
111 # TODO(openssl-team): fix problems and investigate if (at least) the
112 # following warnings can also be enabled:
116 # -Wlanguage-extension-token -- no, we use asm()
117 # -Wunused-macros -- no, too tricky for BN and _XOPEN_SOURCE etc
118 # -Wextended-offsetof -- no, needed in CMS ASN1 code
119 my $clang_devteam_warn = ""
120 . " -Qunused-arguments"
122 . " -Wno-unused-parameter"
123 . " -Wno-missing-field-initializers"
124 . " -Wno-language-extension-token"
125 . " -Wno-extended-offsetof"
126 . " -Wconditional-uninitialized"
127 . " -Wincompatible-pointer-types-discards-qualifiers"
128 . " -Wmissing-variable-declarations"
131 # This adds backtrace information to the memory leak info. Is only used
132 # when crypto-mdebug-backtrace is enabled.
133 my $memleak_devteam_backtrace = "-rdynamic";
135 my $strict_warnings = 0;
137 # As for $BSDthreads. Idea is to maintain "collective" set of flags,
138 # which would cover all BSD flavors. -pthread applies to them all,
139 # but is treated differently. OpenBSD expands is as -D_POSIX_THREAD
140 # -lc_r, which is sufficient. FreeBSD 4.x expands it as -lc_r,
141 # which has to be accompanied by explicit -D_THREAD_SAFE and
142 # sometimes -D_REENTRANT. FreeBSD 5.x expands it as -lc_r, which
143 # seems to be sufficient?
144 our $BSDthreads="-pthread -D_THREAD_SAFE -D_REENTRANT";
147 # API compatibility name to version number mapping.
149 my $maxapi = "1.1.0"; # API for "no-deprecated" builds
151 "1.1.0" => "0x10100000L",
152 "1.0.0" => "0x10000000L",
153 "0.9.8" => "0x00908000L",
160 # Forward declarations ###############################################
162 # read_config(filename)
164 # Reads a configuration file and populates %table with the contents
165 # (which the configuration file places in %targets).
168 # resolve_config(target)
170 # Resolves all the late evaluations, inheritances and so on for the
171 # chosen target and any target it inherits from.
175 # Information collection #############################################
177 # Unified build supports separate build dir
178 my $srcdir = catdir(absolutedir(dirname($0))); # catdir ensures local syntax
179 my $blddir = catdir(absolutedir(".")); # catdir ensures local syntax
180 my $dofile = abs2rel(catfile($srcdir, "util/dofile.pl"));
182 my $local_config_envname = 'OPENSSL_LOCAL_CONFIG_DIR';
184 $config{sourcedir} = abs2rel($srcdir);
185 $config{builddir} = abs2rel($blddir);
187 # Collect reconfiguration information if needed
190 if (grep /^reconf(igure)?$/, @argvcopy) {
191 if (-f "./configdata.pm") {
192 my $file = "./configdata.pm";
193 unless (my $return = do $file) {
194 die "couldn't parse $file: $@" if $@;
195 die "couldn't do $file: $!" unless defined $return;
196 die "couldn't run $file" unless $return;
199 @argvcopy = defined($configdata::config{perlargv}) ?
200 @{$configdata::config{perlargv}} : ();
201 die "Incorrect data to reconfigure, please do a normal configuration\n"
202 if (grep(/^reconf/,@argvcopy));
203 $ENV{CROSS_COMPILE} = $configdata::config{cross_compile_prefix}
204 if defined($configdata::config{cross_compile_prefix});
205 $ENV{CC} = $configdata::config{cc}
206 if defined($configdata::config{cc});
207 $ENV{BUILDFILE} = $configdata::config{build_file}
208 if defined($configdata::config{build_file});
209 $ENV{$local_config_envname} = $configdata::config{local_config_dir}
210 if defined($configdata::config{local_config_dir});
212 print "Reconfiguring with: ", join(" ",@argvcopy), "\n";
213 print " CROSS_COMPILE = ",$ENV{CROSS_COMPILE},"\n"
214 if $ENV{CROSS_COMPILE};
215 print " CC = ",$ENV{CC},"\n" if $ENV{CC};
216 print " BUILDFILE = ",$ENV{BUILDFILE},"\n" if $ENV{BUILDFILE};
217 print " $local_config_envname = ",$ENV{$local_config_envname},"\n"
218 if $ENV{$local_config_envname};
220 die "Insufficient data to reconfigure, please do a normal configuration\n";
224 $config{perlargv} = [ @argvcopy ];
226 # Collect version numbers
227 $config{version} = "unknown";
228 $config{version_num} = "unknown";
229 $config{shlib_version_number} = "unknown";
230 $config{shlib_version_history} = "unknown";
233 collect_from_file(catfile($srcdir,'include/openssl/opensslv.h')),
234 qr/OPENSSL.VERSION.TEXT.*OpenSSL (\S+) / => sub { $config{version} = $1; },
235 qr/OPENSSL.VERSION.NUMBER.*(0x\S+)/ => sub { $config{version_num}=$1 },
236 qr/SHLIB_VERSION_NUMBER *"([^"]+)"/ => sub { $config{shlib_version_number}=$1 },
237 qr/SHLIB_VERSION_HISTORY *"([^"]*)"/ => sub { $config{shlib_version_history}=$1 }
239 if ($config{shlib_version_history} ne "") { $config{shlib_version_history} .= ":"; }
241 ($config{major}, $config{minor})
242 = ($config{version} =~ /^([0-9]+)\.([0-9\.]+)/);
243 ($config{shlib_major}, $config{shlib_minor})
244 = ($config{shlib_version_number} =~ /^([0-9]+)\.([0-9\.]+)/);
245 die "erroneous version information in opensslv.h: ",
246 "$config{major}, $config{minor}, $config{shlib_major}, $config{shlib_minor}\n"
247 if ($config{major} eq "" || $config{minor} eq ""
248 || $config{shlib_major} eq "" || $config{shlib_minor} eq "");
250 # Collect target configurations
252 my $pattern = catfile(dirname($0), "Configurations", "*.conf");
253 foreach (sort glob($pattern)) {
257 if (defined $ENV{$local_config_envname}) {
259 # VMS environment variables are logical names,
260 # which can be used as is
261 $pattern = $local_config_envname . ':' . '*.conf';
263 $pattern = catfile($ENV{$local_config_envname}, '*.conf');
266 foreach (sort glob($pattern)) {
272 print "Configuring OpenSSL version $config{version} (0x$config{version_num})\n";
275 $config{openssldir}="";
276 $config{processor}="";
278 $config{cross_compile_prefix}="";
279 $config{fipslibdir}="/usr/local/ssl/fips-2.0/lib/";
280 my $nofipscanistercheck=0;
281 $config{baseaddr}="0xFB00000";
282 my $auto_threads=1; # enable threads automatically? true by default
286 # Top level directories to build
287 $config{dirs} = [ "crypto", "ssl", "engines", "apps", "test", "util", "tools", "fuzz" ];
288 # crypto/ subdirectories to build
291 "md2", "md4", "md5", "sha", "mdc2", "hmac", "ripemd", "whrlpool", "poly1305", "blake2",
292 "des", "aes", "rc2", "rc4", "rc5", "idea", "bf", "cast", "camellia", "seed", "chacha", "modes",
293 "bn", "ec", "rsa", "dsa", "dh", "dso", "engine",
294 "buffer", "bio", "stack", "lhash", "rand", "err",
295 "evp", "asn1", "pem", "x509", "x509v3", "conf", "txt_db", "pkcs7", "pkcs12", "comp", "ocsp", "ui",
296 "cms", "ts", "srp", "cmac", "ct", "async", "kdf"
299 # Known TLS and DTLS protocols
300 my @tls = qw(ssl3 tls1 tls1_1 tls1_2);
301 my @dtls = qw(dtls1 dtls1_2);
303 # Explicitly known options that are possible to disable. They can
304 # be regexps, and will be used like this: /^no-${option}$/
305 # For developers: keep it sorted alphabetically
324 "crypto-mdebug-backtrace",
338 "ec_nistp_64_gcc_128",
391 foreach my $proto ((@tls, @dtls))
393 push(@disablables, $proto);
394 push(@disablables, "$proto-method");
397 my %deprecated_disablables = (
399 "buf-freelists" => undef,
403 # All of the following is disabled by default (RC5 was enabled before 0.9.8):
405 our %disabled = ( # "what" => "comment"
407 "crypto-mdebug" => "default",
408 "crypto-mdebug-backtrace" => "default",
409 "ec_nistp_64_gcc_128" => "default",
411 "fuzz-libfuzzer" => "default",
412 "fuzz-afl" => "default",
413 "heartbeats" => "default",
418 "ssl-trace" => "default",
420 "ssl3-method" => "default",
421 "ubsan" => "default",
422 "unit-test" => "default",
423 "weak-ssl-ciphers" => "default",
425 "zlib-dynamic" => "default",
428 # Note: => pair form used for aesthetics, not to truly make a hash table
429 my @disable_cascades = (
430 # "what" => [ "cascade", ... ]
431 sub { $config{processor} eq "386" }
434 "ssl3-method" => [ "ssl3" ],
435 "zlib" => [ "zlib-dynamic" ],
437 "ec" => [ "ecdsa", "ecdh" ],
439 "dgram" => [ "dtls", "sctp" ],
440 "sock" => [ "dgram" ],
443 # SSL 3.0, (D)TLS 1.0 and TLS 1.1 require MD5 and SHA
444 "md5" => [ "ssl", "tls1", "tls1_1", "dtls1" ],
445 "sha" => [ "ssl", "tls1", "tls1_1", "dtls1" ],
447 # Additionally, SSL 3.0 requires either RSA or DSA+DH
449 && ($disabled{dsa} || $disabled{dh}); }
452 # (D)TLS 1.0 and TLS 1.1 also require either RSA or DSA+DH
453 # or ECDSA + ECDH. (D)TLS 1.2 has this requirement as well.
454 # (XXX: We don't support PSK-only builds).
456 && ($disabled{dsa} || $disabled{dh})
457 && ($disabled{ecdsa} || $disabled{ecdh}); }
458 => [ "tls1", "tls1_1", "tls1_2",
459 "dtls1", "dtls1_2" ],
463 # SRP and HEARTBEATS require TLSEXT
464 "tlsext" => [ "srp", "heartbeats" ],
466 "crypto-mdebug" => [ "crypto-mdebug-backtrace" ],
468 # Without DSO, we can't load dynamic engines, so don't build them dynamic
469 "dso" => [ "dynamic-engine" ],
471 # Without position independent code, there can be no shared libraries or DSOs
472 "pic" => [ "shared" ],
473 "shared" => [ "dynamic-engine" ],
474 "engine" => [ "afalgeng" ],
476 # no-autoalginit is only useful when building non-shared
477 "autoalginit" => [ "shared", "apps" ],
479 "stdio" => [ "apps", "capieng" ],
480 "apps" => [ "tests" ],
481 "comp" => [ "zlib" ],
482 sub { !$disabled{"unit-test"} } => [ "heartbeats" ],
484 sub { !$disabled{"msan"} } => [ "asm" ],
487 # Avoid protocol support holes. Also disable all versions below N, if version
488 # N is disabled while N+1 is enabled.
490 my @list = (reverse @tls);
491 while ((my $first, my $second) = (shift @list, shift @list)) {
493 push @disable_cascades, ( sub { !$disabled{$first} && $disabled{$second} }
495 unshift @list, $second;
497 my @list = (reverse @dtls);
498 while ((my $first, my $second) = (shift @list, shift @list)) {
500 push @disable_cascades, ( sub { !$disabled{$first} && $disabled{$second} }
502 unshift @list, $second;
505 # Explicit "no-..." options will be collected in %disabled along with the defaults.
506 # To remove something from %disabled, use "enable-foo".
507 # For symmetry, "disable-foo" is a synonym for "no-foo".
511 &usage if ($#ARGV < 0);
515 $config{openssl_api_defines}=[];
516 $config{openssl_algorithm_defines}=[];
517 $config{openssl_thread_defines}=[];
518 $config{openssl_sys_defines}=[];
519 $config{openssl_other_defines}=[];
523 $config{build_type} = "release";
525 my %unsupported_options = ();
526 my %deprecated_options = ();
529 # VMS is a case insensitive environment, and depending on settings
530 # out of our control, we may receive options uppercased. Let's
531 # downcase at least the part before any equal sign.
536 s /^-no-/no-/; # some people just can't read the instructions
538 # rewrite some options in "enable-..." form
539 s /^-?-?shared$/enable-shared/;
540 s /^sctp$/enable-sctp/;
541 s /^threads$/enable-threads/;
542 s /^zlib$/enable-zlib/;
543 s /^zlib-dynamic$/enable-zlib-dynamic/;
545 if (/^(no|disable|enable)-(.+)$/)
548 if (!exists $deprecated_disablables{$word}
549 && !grep { $word =~ /^${_}$/ } @disablables)
551 $unsupported_options{$_} = 1;
555 if (/^no-(.+)$/ || /^disable-(.+)$/)
557 foreach my $proto ((@tls, @dtls))
559 if ($1 eq "$proto-method")
561 $disabled{"$proto"} = "option($proto-method)";
567 foreach my $proto (@dtls)
569 $disabled{$proto} = "option(dtls)";
571 $disabled{"dtls"} = "option(dtls)";
575 # Last one of its kind
576 $disabled{"ssl3"} = "option(ssl)";
580 # XXX: Tests will fail if all SSL/TLS
581 # protocols are disabled.
582 foreach my $proto (@tls)
584 $disabled{$proto} = "option(tls)";
587 elsif ($1 eq "static-engine")
589 delete $disabled{"dynamic-engine"};
591 elsif ($1 eq "dynamic-engine")
593 $disabled{"dynamic-engine"} = "option";
595 elsif (exists $deprecated_disablables{$1})
597 $deprecated_options{$_} = 1;
598 if (defined $deprecated_disablables{$1})
600 $disabled{$deprecated_disablables{$1}} = "option";
605 $disabled{$1} = "option";
607 # No longer an automatic choice
608 $auto_threads = 0 if ($1 eq "threads");
610 elsif (/^enable-(.+)$/)
612 if ($1 eq "static-engine")
614 $disabled{"dynamic-engine"} = "option";
616 elsif ($1 eq "dynamic-engine")
618 delete $disabled{"dynamic-engine"};
620 elsif ($1 eq "zlib-dynamic")
622 delete $disabled{"zlib"};
625 delete $disabled{$algo};
627 # No longer an automatic choice
628 $auto_threads = 0 if ($1 eq "threads");
630 elsif (/^--strict-warnings$/)
632 $strict_warnings = 1;
636 $config{build_type} = "debug";
638 elsif (/^--release$/)
640 $config{build_type} = "release";
643 { $config{processor}=386; }
650 # No RSAref support any more since it's not needed.
651 # The check for the option is there so scripts aren't
654 elsif (/^nofipscanistercheck$/)
657 $nofipscanistercheck = 1;
661 if (/^--prefix=(.*)$/)
664 die "Directory given with --prefix MUST be absolute\n"
665 unless file_name_is_absolute($config{prefix});
667 elsif (/^--api=(.*)$/)
671 elsif (/^--libdir=(.*)$/)
675 elsif (/^--openssldir=(.*)$/)
677 $config{openssldir}=$1;
679 elsif (/^--with-zlib-lib=(.*)$/)
681 $withargs{zlib_lib}=$1;
683 elsif (/^--with-zlib-include=(.*)$/)
685 $withargs{zlib_include}=$1;
687 elsif (/^--with-fuzzer-lib=(.*)$/)
689 $withargs{fuzzer_lib}=$1;
691 elsif (/^--with-fuzzer-include=(.*)$/)
693 $withargs{fuzzer_include}=$1;
695 elsif (/^--with-fipslibdir=(.*)$/)
697 $config{fipslibdir}="$1/";
699 elsif (/^--with-baseaddr=(.*)$/)
701 $config{baseaddr}="$1";
703 elsif (/^--cross-compile-prefix=(.*)$/)
705 $config{cross_compile_prefix}=$1;
707 elsif (/^--config=(.*)$/)
711 elsif (/^-[lL](.*)$/ or /^-Wl,/)
718 $disabled{"pic"} = "forced";
719 $disabled{"shared"} = "forced";
720 $disabled{"threads"} = "forced";
724 push @user_defines, $1;
726 else # common if (/^[-+]/), just pass down...
728 $_ =~ s/%([0-9a-f]{1,2})/chr(hex($1))/gei;
729 $user_cflags.=" ".$_;
734 die "target already defined - $target (offending arg: $_)\n" if ($target ne "");
737 unless ($_ eq $target || /^no-/ || /^disable-/)
739 # "no-..." follows later after implied disactivations
740 # have been derived. (Don't take this too seriously,
741 # we really only write OPTIONS to the Makefile out of
744 if ($config{options} eq "")
745 { $config{options} = $_; }
747 { $config{options} .= " ".$_; }
750 if (defined($config{api}) && !exists $apitable->{$config{api}}) {
751 die "***** Unsupported api compatibility level: $config{api}\n",
754 if (keys %deprecated_options)
756 warn "***** Deprecated options: ",
757 join(", ", keys %deprecated_options), "\n";
759 if (keys %unsupported_options)
761 die "***** Unsupported options: ",
762 join(", ", keys %unsupported_options), "\n";
766 if ($libs =~ /(^|\s)-Wl,-rpath,/
767 && !$disabled{shared}
768 && !($disabled{asan} && $disabled{msan} && $disabled{ubsan})) {
769 die "***** Cannot simultaneously use -rpath, shared libraries, and\n",
770 "***** any of asan, msan or ubsan\n";
775 delete $disabled{"shared"} if ($disabled{"shared"} =~ /^default/);
779 @{$config{dirs}} = grep !/^fips$/, @{$config{dirs}};
782 my @tocheckfor = (keys %disabled);
783 while (@tocheckfor) {
784 my %new_tocheckfor = ();
785 my @cascade_copy = (@disable_cascades);
786 while (@cascade_copy) {
787 my ($test, $descendents) = (shift @cascade_copy, shift @cascade_copy);
788 if (ref($test) eq "CODE" ? $test->() : defined($disabled{$test})) {
789 foreach(grep { !defined($disabled{$_}) } @$descendents) {
790 $new_tocheckfor{$_} = 1; $disabled{$_} = "forced";
794 @tocheckfor = (keys %new_tocheckfor);
797 our $die = sub { die @_; };
798 if ($target eq "TABLE") {
799 local $die = sub { warn @_; };
800 foreach (sort keys %table) {
801 print_table_entry($_, "TABLE");
806 if ($target eq "LIST") {
807 foreach (sort keys %table) {
808 print $_,"\n" unless $table{$_}->{template};
813 if ($target eq "HASH") {
814 local $die = sub { warn @_; };
815 print "%table = (\n";
816 foreach (sort keys %table) {
817 print_table_entry($_, "HASH");
822 # Backward compatibility?
823 if ($target =~ m/^CygWin32(-.*)$/) {
824 $target = "Cygwin".$1;
827 foreach (sort (keys %disabled))
829 $config{options} .= " no-$_";
831 printf " no-%-12s %-10s", $_, "[$disabled{$_}]";
843 elsif (/^dynamic-engine$/)
845 elsif (/^makedepend$/)
847 elsif (/^zlib-dynamic$/)
853 @{$config{dirs}} = grep !/^engines$/, @{$config{dirs}};
854 @{$config{sdirs}} = grep !/^engine$/, @{$config{sdirs}};
855 push @{$config{openssl_other_defines}}, "OPENSSL_NO_ENGINE";
856 print " OPENSSL_NO_ENGINE (skip engines)";
862 ($WHAT = $what = $_) =~ tr/[\-a-z]/[_A-Z]/;
864 # Fix up C macro end names
865 $WHAT = "RMD160" if $what eq "ripemd";
867 # fix-up crypto/directory name(s)
868 $what = "ripemd" if $what eq "rmd160";
869 $what = "whrlpool" if $what eq "whirlpool";
871 if (grep { $_ eq $what } @{$config{sdirs}})
873 push @{$config{openssl_algorithm_defines}}, "OPENSSL_NO_$WHAT";
874 @{$config{sdirs}} = grep { $_ ne $what} @{$config{sdirs}};
876 print " OPENSSL_NO_$WHAT (skip dir)";
880 push @{$config{openssl_other_defines}}, "OPENSSL_NO_$WHAT";
881 print " OPENSSL_NO_$WHAT";
883 if (/^err$/) { push @user_defines, "OPENSSL_NO_ERR"; }
890 print "Configuring for $target\n";
892 # Support for legacy targets having a name starting with 'debug-'
893 my ($d, $t) = $target =~ m/^(debug-)?(.*)$/;
895 $config{build_type} = "debug";
897 # If we do not find debug-foo in the table, the target is set to foo.
898 if (!$table{$target}) {
902 $config{target} = $target;
903 my %target = resolve_config($target);
905 &usage if (!%target || $target{template});
907 my %conf_files = map { $_ => 1 } (@{$target{_conf_fname_int}});
908 $config{conf_files} = [ sort keys %conf_files ];
909 %target = ( %{$table{DEFAULTS}}, %target );
911 $target{exe_extension}="";
912 $target{exe_extension}=".exe" if ($config{target} eq "DJGPP"
913 || $config{target} =~ /^(?:Cygwin|mingw)/);
914 $target{exe_extension}=".pm" if ($config{target} =~ /vos/);
916 ($target{shared_extension_simple}=$target{shared_extension})
917 =~ s|\.\$\(SHLIB_MAJOR\)\.\$\(SHLIB_MINOR\)||;
918 $target{dso_extension}=$target{shared_extension_simple};
919 ($target{shared_import_extension}=$target{shared_extension_simple}.".a")
920 if ($config{target} =~ /^(?:Cygwin|mingw)/);
923 $config{cross_compile_prefix} = $ENV{'CROSS_COMPILE'}
924 if $config{cross_compile_prefix} eq "";
926 # Allow overriding the names of some tools. USE WITH CARE
927 # Note: only Unix cares about HASHBANGPERL... that explains
928 # the default string.
929 $config{perl} = $ENV{'PERL'} || ($^O ne "VMS" ? $^X : "perl");
930 $config{hashbangperl} =
931 $ENV{'HASHBANGPERL'} || $ENV{'PERL'} || "/usr/bin/env perl";
932 $target{cc} = $ENV{'CC'} || $target{cc} || "cc";
933 $target{ranlib} = $ENV{'RANLIB'} || $target{ranlib} ||
934 (which("$config{cross_compile_prefix}ranlib") ?
935 "\$(CROSS_COMPILE)ranlib" : "true");
936 $target{ar} = $ENV{'AR'} || $target{ar} || "ar";
937 $target{nm} = $ENV{'NM'} || $target{nm} || "nm";
939 $ENV{'RC'} || $ENV{'WINDRES'} || $target{rc} || "windres";
941 # Allow overriding the build file name
942 $target{build_file} = $ENV{BUILDFILE} || $target{build_file} || "Makefile";
944 # Cache information necessary for reconfiguration
945 $config{cc} = $target{cc};
946 $config{build_file} = $target{build_file};
948 # For cflags, lflags, plib_lflags, ex_libs and defines, add the debug_
949 # or release_ attributes.
950 # Do it in such a way that no spurious space is appended (hence the grep).
951 $config{defines} = [];
952 $config{cflags} = "";
953 $config{ex_libs} = "";
954 $config{shared_ldflag} = "";
956 # Make sure build_scheme is consistent.
957 $target{build_scheme} = [ $target{build_scheme} ]
958 if ref($target{build_scheme}) ne "ARRAY";
960 my ($builder, $builder_platform, @builder_opts) =
961 @{$target{build_scheme}};
963 push @{$config{defines}}, "NDEBUG" if $config{build_type} eq "release";
965 if ($target =~ /^mingw/ && `$target{cc} --target-help 2>&1` =~ m/-mno-cygwin/m)
967 $config{cflags} .= " -mno-cygwin";
968 $config{shared_ldflag} .= " -mno-cygwin";
971 if ($target =~ /linux.*-mips/ && !$disabled{asm} && $user_cflags !~ /-m(ips|arch=)/) {
972 # minimally required architecture flags for assembly modules
973 $config{cflags}="-mips2 $config{cflags}" if ($target =~ /mips32/);
974 $config{cflags}="-mips3 $config{cflags}" if ($target =~ /mips64/);
977 my $no_shared_warn=0;
978 my $no_user_cflags=0;
979 my $no_user_defines=0;
981 # The DSO code currently always implements all functions so that no
982 # applications will have to worry about that from a compilation point
983 # of view. However, the "method"s may return zero unless that platform
984 # has support compiled in for them. Currently each method is enabled
985 # by a define "DSO_<name>" ... we translate the "dso_scheme" config
986 # string entry into using the following logic;
987 if (!$disabled{dso} && $target{dso_scheme} ne "")
989 $target{dso_scheme} =~ tr/[a-z]/[A-Z]/;
990 if ($target{dso_scheme} eq "DLFCN")
992 unshift @{$config{defines}}, "DSO_DLFCN", "HAVE_DLFCN_H";
994 elsif ($target{dso_scheme} eq "DLFCN_NO_H")
996 unshift @{$config{defines}}, "DSO_DLFCN";
1000 unshift @{$config{defines}}, "DSO_$target{dso_scheme}";
1004 $config{ex_libs}="$libs$config{ex_libs}" if ($libs ne "");
1010 @{$config{defines}} = grep !/^[BL]_ENDIAN$/, @{$config{defines}};
1011 @{$target{defines}} = grep !/^[BL]_ENDIAN$/, @{$target{defines}};
1015 # If threads aren't disabled, check how possible they are
1016 unless ($disabled{threads}) {
1017 if ($auto_threads) {
1018 # Enabled by default, disable it forcibly if unavailable
1019 if ($target{thread_scheme} eq "(unknown)") {
1020 $disabled{threads} = "unavailable";
1023 # The user chose to enable threads explicitly, let's see
1024 # if there's a chance that's possible
1025 if ($target{thread_scheme} eq "(unknown)") {
1026 # If the user asked for "threads" and we don't have internal
1027 # knowledge how to do it, [s]he is expected to provide any
1028 # system-dependent compiler options that are necessary. We
1029 # can't truly check that the given options are correct, but
1030 # we expect the user to know what [s]He is doing.
1031 if ($no_user_cflags && $no_user_defines) {
1032 die "You asked for multi-threading support, but didn't\n"
1033 ,"provide any system-specific compiler options\n";
1039 # If threads still aren't disabled, add a C macro to ensure the source
1040 # code knows about it. Any other flag is taken care of by the configs.
1041 unless($disabled{threads}) {
1042 foreach (("defines", "openssl_thread_defines")) {
1043 push @{$config{$_}}, "OPENSSL_THREADS";
1047 # With "deprecated" disable all deprecated features.
1048 if (defined($disabled{"deprecated"})) {
1049 $config{api} = $maxapi;
1052 if ($target{shared_target} eq "")
1055 if ((!$disabled{shared} || !$disabled{"dynamic-engine"})
1057 $disabled{shared} = "no-shared-target";
1058 $disabled{pic} = $disabled{shared} = $disabled{"dynamic-engine"} =
1062 if ($disabled{"dynamic-engine"}) {
1063 push @{$config{defines}}, "OPENSSL_NO_DYNAMIC_ENGINE";
1064 $config{dynamic_engines} = 0;
1066 push @{$config{defines}}, "OPENSSL_NO_STATIC_ENGINE";
1067 $config{dynamic_engines} = 1;
1070 unless ($disabled{"fuzz-libfuzzer"}) {
1071 $config{cflags} .= "-fsanitize-coverage=edge,indirect-calls ";
1074 unless ($disabled{asan}) {
1075 $config{cflags} .= "-fsanitize=address ";
1078 unless ($disabled{ubsan}) {
1079 # -DPEDANTIC or -fnosanitize=alignment may also be required on some
1081 $config{cflags} .= "-fsanitize=undefined -fno-sanitize-recover=all ";
1084 unless ($disabled{msan}) {
1085 $config{cflags} .= "-fsanitize=memory ";
1088 unless ($disabled{"fuzz-libfuzzer"} && $disabled{"fuzz-afl"}
1089 && $disabled{asan} && $disabled{ubsan} && $disabled{msan}) {
1090 $config{cflags} .= "-fno-omit-frame-pointer -g ";
1096 # This saves the build files from having to check
1099 $target{shared_cflag} = $target{shared_ldflag} =
1100 $target{shared_rcflag} = "";
1104 push @{$config{defines}}, "OPENSSL_PIC";
1107 if ($target{sys_id} ne "")
1109 push @{$config{openssl_sys_defines}}, "OPENSSL_SYS_$target{sys_id}";
1112 unless ($disabled{asm}) {
1113 $target{cpuid_asm_src}=$table{DEFAULTS}->{cpuid_asm_src} if ($config{processor} eq "386");
1114 $target{bn_asm_src} =~ s/\w+-gf2m.c// if (defined($disabled{ec2m}));
1116 # bn-586 is the only one implementing bn_*_part_words
1117 push @{$config{defines}}, "OPENSSL_BN_ASM_PART_WORDS" if ($target{bn_asm_src} =~ /bn-586/);
1118 push @{$config{defines}}, "OPENSSL_IA32_SSE2" if (!$no_sse2 && $target{bn_asm_src} =~ /86/);
1120 push @{$config{defines}}, "OPENSSL_BN_ASM_MONT" if ($target{bn_asm_src} =~ /-mont/);
1121 push @{$config{defines}}, "OPENSSL_BN_ASM_MONT5" if ($target{bn_asm_src} =~ /-mont5/);
1122 push @{$config{defines}}, "OPENSSL_BN_ASM_GF2m" if ($target{bn_asm_src} =~ /-gf2m/);
1124 if ($config{fips}) {
1125 push @{$config{openssl_other_defines}}, "OPENSSL_FIPS";
1128 if ($target{sha1_asm_src}) {
1129 push @{$config{defines}}, "SHA1_ASM" if ($target{sha1_asm_src} =~ /sx86/ || $target{sha1_asm_src} =~ /sha1/);
1130 push @{$config{defines}}, "SHA256_ASM" if ($target{sha1_asm_src} =~ /sha256/);
1131 push @{$config{defines}}, "SHA512_ASM" if ($target{sha1_asm_src} =~ /sha512/);
1133 if ($target{rc4_asm_src} ne $table{DEFAULTS}->{rc4_asm_src}) {
1134 push @{$config{defines}}, "RC4_ASM";
1136 if ($target{md5_asm_src}) {
1137 push @{$config{defines}}, "MD5_ASM";
1139 $target{cast_asm_src}=$table{DEFAULTS}->{cast_asm_src} unless $disabled{pic}; # CAST assembler is not PIC
1140 if ($target{rmd160_asm_src}) {
1141 push @{$config{defines}}, "RMD160_ASM";
1143 if ($target{aes_asm_src}) {
1144 push @{$config{defines}}, "AES_ASM" if ($target{aes_asm_src} =~ m/\baes-/);;
1145 # aes-ctr.fake is not a real file, only indication that assembler
1146 # module implements AES_ctr32_encrypt...
1147 push @{$config{defines}}, "AES_CTR_ASM" if ($target{aes_asm_src} =~ s/\s*aes-ctr\.fake//);
1148 # aes-xts.fake indicates presence of AES_xts_[en|de]crypt...
1149 push @{$config{defines}}, "AES_XTS_ASM" if ($target{aes_asm_src} =~ s/\s*aes-xts\.fake//);
1150 $target{aes_asm_src} =~ s/\s*(vpaes|aesni)-x86\.s//g if ($no_sse2);
1151 push @{$config{defines}}, "VPAES_ASM" if ($target{aes_asm_src} =~ m/vpaes/);
1152 push @{$config{defines}}, "BSAES_ASM" if ($target{aes_asm_src} =~ m/bsaes/);
1154 if ($target{wp_asm_src} =~ /mmx/) {
1155 if ($config{processor} eq "386") {
1156 $target{wp_asm_src}=$table{DEFAULTS}->{wp_asm_src};
1157 } elsif (!$disabled{"whirlpool"}) {
1158 push @{$config{defines}}, "WHIRLPOOL_ASM";
1161 if ($target{modes_asm_src} =~ /ghash-/) {
1162 push @{$config{defines}}, "GHASH_ASM";
1164 if ($target{ec_asm_src} =~ /ecp_nistz256/) {
1165 push @{$config{defines}}, "ECP_NISTZ256_ASM";
1167 if ($target{poly1305_asm_src} ne "") {
1168 push @{$config{defines}}, "POLY1305_ASM";
1172 my $ecc = $target{cc};
1173 if ($^O ne "VMS" && !$disabled{makedepend}) {
1174 # Is the compiler gcc or clang? $ecc is used below to see if
1175 # error-checking can be turned on.
1176 my $ccpcc = "$config{cross_compile_prefix}$target{cc}";
1177 open(PIPE, "$ccpcc --version 2>&1 |");
1180 # Find the version number and save the major.
1181 m|(?:.*)\b(\d+)\.\d+\.\d+\b(?:.*)|;
1182 my $compiler_major = $1;
1183 # We know that GNU C version 3 and up as well as all clang
1184 # versions support dependency generation
1185 $config{makedepprog} = $ccpcc
1186 if (/clang/ || (/gcc/ && $compiler_major >= 3));
1187 $ecc = "clang" if /clang/;
1188 $ecc = "gcc" if /gcc/;
1189 last if ($config{makedepprog} || !$lines--);
1193 $config{makedepprog} = which('makedepend') unless $config{makedepprog};
1194 $disabled{makedepend} = "unavailable" unless $config{makedepprog};
1199 # Deal with bn_ops ###################################################
1202 $config{export_var_as_fn} =0;
1203 my $def_int="unsigned int";
1204 $config{rc4_int} =$def_int;
1205 ($config{b64l},$config{b64},$config{b32})=(0,0,1);
1208 foreach (sort split(/\s+/,$target{bn_ops})) {
1209 $count++ if /SIXTY_FOUR_BIT|SIXTY_FOUR_BIT_LONG|THIRTY_TWO_BIT/;
1210 $config{export_var_as_fn}=1 if $_ eq 'EXPORT_VAR_AS_FN';
1211 $config{bn_ll}=1 if $_ eq 'BN_LLONG';
1212 $config{rc4_int}="unsigned char" if $_ eq 'RC4_CHAR';
1213 ($config{b64l},$config{b64},$config{b32})
1214 =(0,1,0) if $_ eq 'SIXTY_FOUR_BIT';
1215 ($config{b64l},$config{b64},$config{b32})
1216 =(1,0,0) if $_ eq 'SIXTY_FOUR_BIT_LONG';
1217 ($config{b64l},$config{b64},$config{b32})
1218 =(0,0,1) if $_ eq 'THIRTY_TWO_BIT';
1220 die "Exactly one of SIXTY_FOUR_BIT|SIXTY_FOUR_BIT_LONG|THIRTY_TWO_BIT can be set in bn_ops\n"
1224 # Hack cflags for better warnings (dev option) #######################
1226 # "Stringify" the C flags string. This permits it to be made part of a string
1227 # and works as well on command lines.
1228 $config{cflags} =~ s/([\\\"])/\\$1/g;
1230 if (defined($config{api})) {
1231 $config{openssl_api_defines} = [ "OPENSSL_MIN_API=".$apitable->{$config{api}} ];
1232 my $apiflag = sprintf("OPENSSL_API_COMPAT=%s", $apitable->{$config{api}});
1233 push @{$config{defines}}, $apiflag;
1236 if ($strict_warnings)
1239 die "ERROR --strict-warnings requires gcc or clang"
1240 unless $ecc eq 'gcc' || $ecc eq 'clang';
1241 foreach $wopt (split /\s+/, $gcc_devteam_warn)
1243 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1245 if ($ecc eq "clang")
1247 foreach $wopt (split /\s+/, $clang_devteam_warn)
1249 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1254 unless ($disabled{"crypto-mdebug-backtrace"})
1256 foreach my $wopt (split /\s+/, $memleak_devteam_backtrace)
1258 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1260 if ($target =~ /^BSD-/)
1262 $config{ex_libs} .= " -lexecinfo";
1266 if ($user_cflags ne "") { $config{cflags}="$config{cflags}$user_cflags"; }
1267 else { $no_user_cflags=1; }
1268 if (@user_defines) { $config{defines}=[ @{$config{defines}}, @user_defines ]; }
1269 else { $no_user_defines=1; }
1271 # ALL MODIFICATIONS TO %config and %target MUST BE DONE FROM HERE ON
1273 unless ($disabled{afalgeng}) {
1274 $config{afalgeng}="";
1275 if ($target =~ m/^linux/) {
1276 my $minver = 4*10000 + 1*100 + 0;
1277 if ($config{cross_compile_prefix} eq "") {
1278 my $verstr = `uname -r`;
1279 my ($ma, $mi1, $mi2) = split("\\.", $verstr);
1280 ($mi2) = $mi2 =~ /(\d+)/;
1281 my $ver = $ma*10000 + $mi1*100 + $mi2;
1282 if ($ver < $minver) {
1283 $disabled{afalgeng} = "too-old-kernel";
1285 push @{$config{engdirs}}, "afalg";
1288 $disabled{afalgeng} = "cross-compiling";
1291 $disabled{afalgeng} = "not-linux";
1295 push @{$config{openssl_other_defines}}, "OPENSSL_NO_AFALGENG" if ($disabled{afalgeng});
1297 # If we use the unified build, collect information from build.info files
1298 my %unified_info = ();
1300 my $buildinfo_debug = defined($ENV{CONFIGURE_DEBUG_BUILDINFO});
1301 if ($builder eq "unified") {
1302 use lib catdir(dirname(__FILE__),"util");
1303 use with_fallback qw(Text::Template);
1308 my $relativeto = shift || ".";
1310 $dir = catdir($base,$dir) unless isabsolute($dir);
1312 # Make sure the directories we're building in exists
1315 my $res = abs2rel(absolutedir($dir), rel2abs($relativeto));
1316 #print STDERR "DEBUG[cleandir]: $dir , $base => $res\n";
1323 my $relativeto = shift || ".";
1325 $file = catfile($base,$file) unless isabsolute($file);
1327 my $d = dirname($file);
1328 my $f = basename($file);
1330 # Make sure the directories we're building in exists
1333 my $res = abs2rel(catfile(absolutedir($d), $f), rel2abs($relativeto));
1334 #print STDERR "DEBUG[cleanfile]: $d , $f => $res\n";
1338 # Store the name of the template file we will build the build file from
1339 # in %config. This may be useful for the build file itself.
1340 my @build_file_template_names =
1341 ( $builder_platform."-".$target{build_file}.".tmpl",
1342 $target{build_file}.".tmpl" );
1343 my @build_file_templates = ();
1345 # First, look in the user provided directory, if given
1346 if (defined $ENV{$local_config_envname}) {
1347 @build_file_templates =
1350 # VMS environment variables are logical names,
1351 # which can be used as is
1352 $local_config_envname . ':' . $_;
1354 catfile($ENV{$local_config_envname}, $_);
1357 @build_file_template_names;
1359 # Then, look in our standard directory
1360 push @build_file_templates,
1361 ( map { cleanfile($srcdir, catfile("Configurations", $_), $blddir) }
1362 @build_file_template_names );
1364 my $build_file_template;
1365 for $_ (@build_file_templates) {
1366 $build_file_template = $_;
1367 last if -f $build_file_template;
1369 $build_file_template = undef;
1371 if (!defined $build_file_template) {
1372 die "*** Couldn't find any of:\n", join("\n", @build_file_templates), "\n";
1374 $config{build_file_templates}
1375 = [ $build_file_template,
1376 cleanfile($srcdir, catfile("Configurations", "common.tmpl"),
1379 my @build_infos = ( [ ".", "build.info" ] );
1380 foreach (@{$config{dirs}}) {
1381 push @build_infos, [ $_, "build.info" ]
1382 if (-f catfile($srcdir, $_, "build.info"));
1384 foreach (@{$config{sdirs}}) {
1385 push @build_infos, [ catdir("crypto", $_), "build.info" ]
1386 if (-f catfile($srcdir, "crypto", $_, "build.info"));
1388 foreach (@{$config{engdirs}}) {
1389 push @build_infos, [ catdir("engines", $_), "build.info" ]
1390 if (-f catfile($srcdir, "engines", $_, "build.info"));
1393 $config{build_infos} = [ ];
1395 foreach (@build_infos) {
1396 my $sourced = catdir($srcdir, $_->[0]);
1397 my $buildd = catdir($blddir, $_->[0]);
1402 # The basic things we're trying to build
1404 my @programs_install = ();
1406 my @libraries_install = ();
1408 my @engines_install = ();
1410 my @scripts_install = ();
1413 my @intermediates = ();
1418 my %shared_sources = ();
1422 my %sharednames = ();
1425 push @{$config{build_infos}}, catfile(abs2rel($sourced, $blddir), $f);
1426 my $template = Text::Template->new(TYPE => 'FILE',
1427 SOURCE => catfile($sourced, $f));
1428 die "Something went wrong with $sourced/$f: $!\n" unless $template;
1431 $template->fill_in(HASH => { config => \%config,
1433 disabled => \%disabled,
1434 withargs => \%withargs,
1435 builddir => abs2rel($buildd, $blddir),
1436 sourcedir => abs2rel($sourced, $blddir),
1437 buildtop => abs2rel($blddir, $blddir),
1438 sourcetop => abs2rel($srcdir, $blddir) },
1439 DELIMITERS => [ "{-", "-}" ]);
1441 # The top item of this stack has the following values
1442 # -2 positive already run and we found ELSE (following ELSIF should fail)
1443 # -1 positive already run (skip until ENDIF)
1444 # 0 negatives so far (if we're at a condition, check it)
1445 # 1 last was positive (don't skip lines until next ELSE, ELSIF or ENDIF)
1446 # 2 positive ELSE (following ELSIF should fail)
1448 collect_information(
1449 collect_from_array([ @text ],
1450 qr/\\$/ => sub { my $l1 = shift; my $l2 = shift;
1451 $l1 =~ s/\\$//; $l1.$l2 }),
1452 # Info we're looking for
1453 qr/^\s*IF\[((?:\\.|[^\\\]])*)\]\s*$/
1455 if (! @skip || $skip[$#skip] > 0) {
1461 qr/^\s*ELSIF\[((?:\\.|[^\\\]])*)\]\s*$/
1462 => sub { die "ELSIF out of scope" if ! @skip;
1463 die "ELSIF following ELSE" if abs($skip[$#skip]) == 2;
1464 $skip[$#skip] = -1 if $skip[$#skip] != 0;
1465 $skip[$#skip] = !! $1
1466 if $skip[$#skip] == 0; },
1468 => sub { die "ELSE out of scope" if ! @skip;
1469 $skip[$#skip] = -2 if $skip[$#skip] != 0;
1470 $skip[$#skip] = 2 if $skip[$#skip] == 0; },
1472 => sub { die "ENDIF out of scope" if ! @skip;
1474 qr/^\s*PROGRAMS(_NO_INST)?\s*=\s*(.*)\s*$/
1476 if (!@skip || $skip[$#skip] > 0) {
1478 my @x = tokenize($2);
1480 push @programs_install, @x unless $install;
1483 qr/^\s*LIBS(_NO_INST)?\s*=\s*(.*)\s*$/
1485 if (!@skip || $skip[$#skip] > 0) {
1487 my @x = tokenize($2);
1488 push @libraries, @x;
1489 push @libraries_install, @x unless $install;
1492 qr/^\s*ENGINES(_NO_INST)?\s*=\s*(.*)\s*$/
1494 if (!@skip || $skip[$#skip] > 0) {
1496 my @x = tokenize($2);
1498 push @engines_install, @x unless $install;
1501 qr/^\s*SCRIPTS(_NO_INST)?\s*=\s*(.*)\s*$/
1503 if (!@skip || $skip[$#skip] > 0) {
1505 my @x = tokenize($2);
1507 push @scripts_install, @x unless $install;
1510 qr/^\s*EXTRA\s*=\s*(.*)\s*$/
1511 => sub { push @extra, tokenize($1)
1512 if !@skip || $skip[$#skip] > 0 },
1513 qr/^\s*OVERRIDES\s*=\s*(.*)\s*$/
1514 => sub { push @overrides, tokenize($1)
1515 if !@skip || $skip[$#skip] > 0 },
1517 qr/^\s*ORDINALS\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/,
1518 => sub { push @{$ordinals{$1}}, tokenize($2)
1519 if !@skip || $skip[$#skip] > 0 },
1520 qr/^\s*SOURCE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1521 => sub { push @{$sources{$1}}, tokenize($2)
1522 if !@skip || $skip[$#skip] > 0 },
1523 qr/^\s*SHARED_SOURCE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1524 => sub { push @{$shared_sources{$1}}, tokenize($2)
1525 if !@skip || $skip[$#skip] > 0 },
1526 qr/^\s*INCLUDE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1527 => sub { push @{$includes{$1}}, tokenize($2)
1528 if !@skip || $skip[$#skip] > 0 },
1529 qr/^\s*DEPEND\[((?:\\.|[^\\\]])*)\]\s*=\s*(.*)\s*$/
1530 => sub { push @{$depends{$1}}, tokenize($2)
1531 if !@skip || $skip[$#skip] > 0 },
1532 qr/^\s*GENERATE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1533 => sub { push @{$generate{$1}}, $2
1534 if !@skip || $skip[$#skip] > 0 },
1535 qr/^\s*RENAME\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1536 => sub { push @{$renames{$1}}, tokenize($2)
1537 if !@skip || $skip[$#skip] > 0 },
1538 qr/^\s*SHARED_NAME\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1539 => sub { push @{$sharednames{$1}}, tokenize($2)
1540 if !@skip || $skip[$#skip] > 0 },
1541 qr/^\s*BEGINRAW\[((?:\\.|[^\\\]])+)\]\s*$/
1543 my $lineiterator = shift;
1544 my $target_kind = $1;
1545 while (defined $lineiterator->()) {
1547 if (/^\s*ENDRAW\[((?:\\.|[^\\\]])+)\]\s*$/) {
1548 die "ENDRAW doesn't match BEGINRAW"
1549 if $1 ne $target_kind;
1552 next if @skip && $skip[$#skip] <= 0;
1554 if ($target_kind eq $target{build_file}
1555 || $target_kind eq $target{build_file}."(".$builder_platform.")");
1558 qr/^(?:#.*|\s*)$/ => sub { },
1559 "OTHERWISE" => sub { die "Something wrong with this line:\n$_\nat $sourced/$f" },
1561 if ($buildinfo_debug) {
1562 print STDERR "DEBUG: Parsing ",join(" ", @_),"\n";
1563 print STDERR "DEBUG: ... before parsing, skip stack is ",join(" ", map { int($_) } @skip),"\n";
1567 if ($buildinfo_debug) {
1568 print STDERR "DEBUG: .... after parsing, skip stack is ",join(" ", map { int($_) } @skip),"\n";
1572 die "runaway IF?" if (@skip);
1574 foreach (keys %renames) {
1575 die "$_ renamed to more than one thing: "
1576 ,join(" ", @{$renames{$_}}),"\n"
1577 if scalar @{$renames{$_}} > 1;
1578 my $dest = cleanfile($buildd, $_, $blddir);
1579 my $to = cleanfile($buildd, $renames{$_}->[0], $blddir);
1580 die "$dest renamed to more than one thing: "
1581 ,$unified_info{rename}->{$dest}, $to
1582 unless !defined($unified_info{rename}->{$dest})
1583 or $unified_info{rename}->{$dest} eq $to;
1584 $unified_info{rename}->{$dest} = $to;
1587 foreach (@programs) {
1588 my $program = cleanfile($buildd, $_, $blddir);
1589 if ($unified_info{rename}->{$program}) {
1590 $program = $unified_info{rename}->{$program};
1592 $unified_info{programs}->{$program} = 1;
1595 foreach (@programs_install) {
1596 my $program = cleanfile($buildd, $_, $blddir);
1597 if ($unified_info{rename}->{$program}) {
1598 $program = $unified_info{rename}->{$program};
1600 $unified_info{install}->{programs}->{$program} = 1;
1603 foreach (@libraries) {
1604 my $library = cleanfile($buildd, $_, $blddir);
1605 if ($unified_info{rename}->{$library}) {
1606 $library = $unified_info{rename}->{$library};
1608 $unified_info{libraries}->{$library} = 1;
1611 foreach (@libraries_install) {
1612 my $library = cleanfile($buildd, $_, $blddir);
1613 if ($unified_info{rename}->{$library}) {
1614 $library = $unified_info{rename}->{$library};
1616 $unified_info{install}->{libraries}->{$library} = 1;
1619 die <<"EOF" if scalar @engines and !$config{dynamic_engines};
1620 ENGINES can only be used if configured with 'dynamic-engine'.
1621 This is usually a fault in a build.info file.
1623 foreach (@engines) {
1624 my $library = cleanfile($buildd, $_, $blddir);
1625 if ($unified_info{rename}->{$library}) {
1626 $library = $unified_info{rename}->{$library};
1628 $unified_info{engines}->{$library} = 1;
1631 foreach (@engines_install) {
1632 my $library = cleanfile($buildd, $_, $blddir);
1633 if ($unified_info{rename}->{$library}) {
1634 $library = $unified_info{rename}->{$library};
1636 $unified_info{install}->{engines}->{$library} = 1;
1639 foreach (@scripts) {
1640 my $script = cleanfile($buildd, $_, $blddir);
1641 if ($unified_info{rename}->{$script}) {
1642 $script = $unified_info{rename}->{$script};
1644 $unified_info{scripts}->{$script} = 1;
1647 foreach (@scripts_install) {
1648 my $script = cleanfile($buildd, $_, $blddir);
1649 if ($unified_info{rename}->{$script}) {
1650 $script = $unified_info{rename}->{$script};
1652 $unified_info{install}->{scripts}->{$script} = 1;
1656 my $extra = cleanfile($buildd, $_, $blddir);
1657 $unified_info{extra}->{$extra} = 1;
1660 foreach (@overrides) {
1661 my $override = cleanfile($buildd, $_, $blddir);
1662 $unified_info{overrides}->{$override} = 1;
1665 push @{$unified_info{rawlines}}, @rawlines;
1667 unless ($disabled{shared}) {
1668 # Check sharednames.
1669 foreach (keys %sharednames) {
1670 my $dest = cleanfile($buildd, $_, $blddir);
1671 if ($unified_info{rename}->{$dest}) {
1672 $dest = $unified_info{rename}->{$dest};
1674 die "shared_name for $dest with multiple values: "
1675 ,join(" ", @{$sharednames{$_}}),"\n"
1676 if scalar @{$sharednames{$_}} > 1;
1677 my $to = cleanfile($buildd, $sharednames{$_}->[0], $blddir);
1678 die "shared_name found for a library $dest that isn't defined\n"
1679 unless $unified_info{libraries}->{$dest};
1680 die "shared_name for $dest with multiple values: "
1681 ,$unified_info{sharednames}->{$dest}, ", ", $to
1682 unless !defined($unified_info{sharednames}->{$dest})
1683 or $unified_info{sharednames}->{$dest} eq $to;
1684 $unified_info{sharednames}->{$dest} = $to;
1687 # Additionally, we set up sharednames for libraries that don't
1688 # have any, as themselves.
1689 foreach (keys %{$unified_info{libraries}}) {
1690 if (!defined $unified_info{sharednames}->{$_}) {
1691 $unified_info{sharednames}->{$_} = $_
1696 foreach (keys %ordinals) {
1698 my $ddest = cleanfile($buildd, $_, $blddir);
1699 if ($unified_info{rename}->{$ddest}) {
1700 $ddest = $unified_info{rename}->{$ddest};
1702 foreach (@{$ordinals{$dest}}) {
1703 my %known_ordinals =
1706 cleanfile($sourced, catfile("util", "libcrypto.num"), $blddir),
1708 cleanfile($sourced, catfile("util", "libssl.num"), $blddir)
1710 my $o = $known_ordinals{$_};
1711 die "Ordinals for $ddest defined more than once\n"
1712 if $unified_info{ordinals}->{$ddest};
1713 $unified_info{ordinals}->{$ddest} = [ $_, $o ];
1717 foreach (keys %sources) {
1719 my $ddest = cleanfile($buildd, $_, $blddir);
1720 if ($unified_info{rename}->{$ddest}) {
1721 $ddest = $unified_info{rename}->{$ddest};
1723 foreach (@{$sources{$dest}}) {
1724 my $s = cleanfile($sourced, $_, $blddir);
1726 # If it isn't in the source tree, we assume it's generated
1729 $s = cleanfile($buildd, $_, $blddir);
1731 # We recognise C and asm files
1732 if ($s =~ /\.[csS]\b$/) {
1733 (my $o = $_) =~ s/\.[csS]\b$/.o/;
1734 $o = cleanfile($buildd, $o, $blddir);
1735 $unified_info{sources}->{$ddest}->{$o} = 1;
1736 $unified_info{sources}->{$o}->{$s} = 1;
1738 $unified_info{sources}->{$ddest}->{$s} = 1;
1743 foreach (keys %shared_sources) {
1745 my $ddest = cleanfile($buildd, $_, $blddir);
1746 if ($unified_info{rename}->{$ddest}) {
1747 $ddest = $unified_info{rename}->{$ddest};
1749 foreach (@{$shared_sources{$dest}}) {
1750 my $s = cleanfile($sourced, $_, $blddir);
1752 # If it isn't in the source tree, we assume it's generated
1755 $s = cleanfile($buildd, $_, $blddir);
1757 # We recognise C and asm files
1758 if ($s =~ /\.[csS]\b$/) {
1759 (my $o = $_) =~ s/\.[csS]\b$/.o/;
1760 $o = cleanfile($buildd, $o, $blddir);
1761 $unified_info{shared_sources}->{$ddest}->{$o} = 1;
1762 $unified_info{sources}->{$o}->{$s} = 1;
1764 die "unrecognised source file type for shared library: $s\n";
1769 foreach (keys %generate) {
1771 my $ddest = cleanfile($buildd, $_, $blddir);
1772 if ($unified_info{rename}->{$ddest}) {
1773 $ddest = $unified_info{rename}->{$ddest};
1775 die "more than one generator for $dest: "
1776 ,join(" ", @{$generate{$_}}),"\n"
1777 if scalar @{$generate{$_}} > 1;
1778 my @generator = split /\s+/, $generate{$dest}->[0];
1779 $generator[0] = cleanfile($sourced, $generator[0], $blddir),
1780 $unified_info{generate}->{$ddest} = [ @generator ];
1783 foreach (keys %depends) {
1785 my $ddest = $dest eq "" ? "" : cleanfile($sourced, $_, $blddir);
1787 # If the destination doesn't exist in source, it can only be
1788 # a generated file in the build tree.
1789 if ($ddest ne "" && ! -f $ddest) {
1790 $ddest = cleanfile($buildd, $_, $blddir);
1791 if ($unified_info{rename}->{$ddest}) {
1792 $ddest = $unified_info{rename}->{$ddest};
1795 foreach (@{$depends{$dest}}) {
1796 my $d = cleanfile($sourced, $_, $blddir);
1798 # If we know it's generated, or assume it is because we can't
1799 # find it in the source tree, we set file we depend on to be
1800 # in the build tree rather than the source tree, and assume
1801 # and that there are lines to build it in a BEGINRAW..ENDRAW
1802 # section or in the Makefile template.
1804 || (grep { $d eq $_ }
1805 map { cleanfile($srcdir, $_, $blddir) }
1806 grep { /\.h$/ } keys %{$unified_info{generate}})) {
1807 $d = cleanfile($buildd, $_, $blddir);
1809 # Take note if the file to depend on is being renamed
1810 if ($unified_info{rename}->{$d}) {
1811 $d = $unified_info{rename}->{$d};
1813 $unified_info{depends}->{$ddest}->{$d} = 1;
1814 # If we depend on a header file or a perl module, let's make
1815 # sure it can get included
1816 if ($dest ne "" && $d =~ /\.(h|pm)$/) {
1817 my $i = dirname($d);
1818 push @{$unified_info{includes}->{$ddest}->{source}}, $i
1819 unless grep { $_ eq $i } @{$unified_info{includes}->{$ddest}->{source}};
1824 foreach (keys %includes) {
1826 my $ddest = cleanfile($sourced, $_, $blddir);
1828 # If the destination doesn't exist in source, it can only be
1829 # a generated file in the build tree.
1831 $ddest = cleanfile($buildd, $_, $blddir);
1832 if ($unified_info{rename}->{$ddest}) {
1833 $ddest = $unified_info{rename}->{$ddest};
1836 foreach (@{$includes{$dest}}) {
1837 my $is = cleandir($sourced, $_, $blddir);
1838 my $ib = cleandir($buildd, $_, $blddir);
1839 push @{$unified_info{includes}->{$ddest}->{source}}, $is
1840 unless grep { $_ eq $is } @{$unified_info{includes}->{$ddest}->{source}};
1841 push @{$unified_info{includes}->{$ddest}->{build}}, $ib
1842 unless grep { $_ eq $ib } @{$unified_info{includes}->{$ddest}->{build}};
1847 ### Make unified_info a bit more efficient
1848 # One level structures
1849 foreach (("programs", "libraries", "engines", "scripts", "extra", "overrides")) {
1850 $unified_info{$_} = [ sort keys %{$unified_info{$_}} ];
1852 # Two level structures
1853 foreach my $l1 (("install", "sources", "shared_sources", "ldadd", "depends")) {
1854 foreach my $l2 (sort keys %{$unified_info{$l1}}) {
1855 $unified_info{$l1}->{$l2} =
1856 [ sort keys %{$unified_info{$l1}->{$l2}} ];
1860 foreach my $dest (sort keys %{$unified_info{includes}}) {
1861 if (defined($unified_info{includes}->{$dest}->{build})) {
1862 my @source_includes =
1863 ( @{$unified_info{includes}->{$dest}->{source}} );
1864 $unified_info{includes}->{$dest} =
1865 [ @{$unified_info{includes}->{$dest}->{build}} ];
1866 foreach my $inc (@source_includes) {
1867 push @{$unified_info{includes}->{$dest}}, $inc
1868 unless grep { $_ eq $inc } @{$unified_info{includes}->{$dest}};
1871 $unified_info{includes}->{$dest} =
1872 [ @{$unified_info{includes}->{$dest}->{source}} ];
1877 # For the schemes that need it, we provide the old *_obj configs
1878 # from the *_asm_obj ones
1879 foreach (grep /_(asm|aux)_src$/, keys %target) {
1881 (my $obj = $_) =~ s/_(asm|aux)_src$/_obj/;
1882 ($target{$obj} = $target{$src}) =~ s/\.[csS]\b/.o/g;
1885 # Write down our configuration where it fits #########################
1887 open(OUT,">configdata.pm") || die "unable to create configdata.pm: $!\n";
1895 #use vars qw(\@ISA \@EXPORT);
1896 our \@ISA = qw(Exporter);
1897 our \@EXPORT = qw(\%config \%target \%disabled \%withargs \%unified_info \@disablables);
1900 print OUT "our %config = (\n";
1901 foreach (sort keys %config) {
1902 if (ref($config{$_}) eq "ARRAY") {
1903 print OUT " ", $_, " => [ ", join(", ",
1904 map { quotify("perl", $_) }
1905 @{$config{$_}}), " ],\n";
1907 print OUT " ", $_, " => ", quotify("perl", $config{$_}), ",\n"
1914 print OUT "our %target = (\n";
1915 foreach (sort keys %target) {
1916 if (ref($target{$_}) eq "ARRAY") {
1917 print OUT " ", $_, " => [ ", join(", ",
1918 map { quotify("perl", $_) }
1919 @{$target{$_}}), " ],\n";
1921 print OUT " ", $_, " => ", quotify("perl", $target{$_}), ",\n"
1928 print OUT "our \%available_protocols = (\n";
1929 print OUT " tls => [ ", join(", ", map { quotify("perl", $_) } @tls), " ],\n";
1930 print OUT " dtls => [ ", join(", ", map { quotify("perl", $_) } @dtls), " ],\n";
1935 print OUT "our \@disablables = (\n";
1936 foreach (@disablables) {
1937 print OUT " ", quotify("perl", $_), ",\n";
1943 print OUT "our \%disabled = (\n";
1944 foreach (sort keys %disabled) {
1945 print OUT " ", quotify("perl", $_), " => ", quotify("perl", $disabled{$_}), ",\n";
1951 print OUT "our %withargs = (\n";
1952 foreach (sort keys %withargs) {
1953 if (ref($withargs{$_}) eq "ARRAY") {
1954 print OUT " ", $_, " => [ ", join(", ",
1955 map { quotify("perl", $_) }
1956 @{$withargs{$_}}), " ],\n";
1958 print OUT " ", $_, " => ", quotify("perl", $withargs{$_}), ",\n"
1965 if ($builder eq "unified") {
1970 if (ref $_ eq "ARRAY") {
1971 print OUT " "x$indent, "[\n";
1973 $recurse->($indent + 4, $_);
1975 print OUT " "x$indent, "],\n";
1976 } elsif (ref $_ eq "HASH") {
1978 print OUT " "x$indent, "{\n";
1979 foreach (sort keys %h) {
1980 if (ref $h{$_} eq "") {
1981 print OUT " "x($indent + 4), quotify("perl", $_), " => ", quotify("perl", $h{$_}), ",\n";
1983 print OUT " "x($indent + 4), quotify("perl", $_), " =>\n";
1984 $recurse->($indent + 8, $h{$_});
1987 print OUT " "x$indent, "},\n";
1989 print OUT " "x$indent, quotify("perl", $_), ",\n";
1993 print OUT "our %unified_info = (\n";
1994 foreach (sort keys %unified_info) {
1995 if (ref $unified_info{$_} eq "") {
1996 print OUT " "x4, quotify("perl", $_), " => ", quotify("perl", $unified_info{$_}), ",\n";
1998 print OUT " "x4, quotify("perl", $_), " =>\n";
1999 $recurse->(8, $unified_info{$_});
2011 print "CC =$config{cross_compile_prefix}$target{cc}\n";
2012 print "CFLAG =$target{cflags} $config{cflags}\n";
2013 print "SHARED_CFLAG =$target{shared_cflag}\n";
2014 print "DEFINES =",join(" ", @{$target{defines}}, @{$config{defines}}),"\n";
2015 print "LFLAG =$target{lflags}\n";
2016 print "PLIB_LFLAG =$target{plib_lflags}\n";
2017 print "EX_LIBS =$target{ex_libs} $config{ex_libs}\n";
2018 print "APPS_OBJ =$target{apps_obj}\n";
2019 print "CPUID_OBJ =$target{cpuid_obj}\n";
2020 print "UPLINK_OBJ =$target{uplink_obj}\n";
2021 print "BN_ASM =$target{bn_obj}\n";
2022 print "EC_ASM =$target{ec_obj}\n";
2023 print "DES_ENC =$target{des_obj}\n";
2024 print "AES_ENC =$target{aes_obj}\n";
2025 print "BF_ENC =$target{bf_obj}\n";
2026 print "CAST_ENC =$target{cast_obj}\n";
2027 print "RC4_ENC =$target{rc4_obj}\n";
2028 print "RC5_ENC =$target{rc5_obj}\n";
2029 print "MD5_OBJ_ASM =$target{md5_obj}\n";
2030 print "SHA1_OBJ_ASM =$target{sha1_obj}\n";
2031 print "RMD160_OBJ_ASM=$target{rmd160_obj}\n";
2032 print "CMLL_ENC =$target{cmll_obj}\n";
2033 print "MODES_OBJ =$target{modes_obj}\n";
2034 print "PADLOCK_OBJ =$target{padlock_obj}\n";
2035 print "CHACHA_ENC =$target{chacha_obj}\n";
2036 print "POLY1305_OBJ =$target{poly1305_obj}\n";
2037 print "BLAKE2_OBJ =$target{blake2_obj}\n";
2038 print "PROCESSOR =$config{processor}\n";
2039 print "RANLIB =", $target{ranlib} eq '$(CROSS_COMPILE)ranlib' ?
2040 "$config{cross_compile_prefix}ranlib" :
2041 "$target{ranlib}", "\n";
2042 print "ARFLAGS =$target{arflags}\n";
2043 print "PERL =$config{perl}\n";
2045 print "SIXTY_FOUR_BIT_LONG mode\n" if $config{b64l};
2046 print "SIXTY_FOUR_BIT mode\n" if $config{b64};
2047 print "THIRTY_TWO_BIT mode\n" if $config{b32};
2048 print "BN_LLONG mode\n" if $config{bn_ll};
2049 print "RC4 uses $config{rc4_int}\n" if $config{rc4_int} ne $def_int;
2053 run_dofile(catfile($blddir, $target{build_file}),
2054 @{$config{build_file_templates}});
2058 $builders{$builder}->($builder_platform, @builder_opts);
2062 Configured for $target.
2065 print <<"EOF" if ($disabled{threads} eq "unavailable");
2067 The library could not be configured for supporting multi-threaded
2068 applications as the compiler options required on this system are not known.
2069 See file INSTALL for details if you need multi-threading.
2072 print <<"EOF" if ($no_shared_warn);
2074 The options 'shared', 'pic' and 'dynamic-engine' aren't supported on this
2075 platform, so we will pretend you gave the option 'no-pic', which also disables
2076 'shared' and 'dynamic-engine'. If you know how to implement shared libraries
2077 or position independent code, please let us know (but please first make sure
2078 you have tried with a current version of OpenSSL).
2081 print <<"EOF" if (-f catfile($srcdir, "configdata.pm") && $srcdir ne $blddir);
2083 WARNING: there are indications that another build was made in the source
2084 directory. This build may have picked up artifacts from that build, the
2085 safest course of action is to clean the source directory and redo this
2091 ######################################################################
2093 # Helpers and utility functions
2096 # Configuration file reading #########################################
2098 # Note: All of the helper functions are for lazy evaluation. They all
2099 # return a CODE ref, which will return the intended value when evaluated.
2100 # Thus, whenever there's mention of a returned value, it's about that
2103 # Helper function to implement conditional inheritance depending on the
2104 # value of $disabled{asm}. Used in inherit_from values as follows:
2106 # inherit_from => [ "template", asm("asm_tmpl") ]
2111 $disabled{asm} ? () : @x;
2115 # Helper function to implement conditional value variants, with a default
2116 # plus additional values based on the value of $config{build_type}.
2117 # Arguments are given in hash table form:
2119 # picker(default => "Basic string: ",
2121 # release => "release")
2123 # When configuring with --debug, the resulting string will be
2124 # "Basic string: debug", and when not, it will be "Basic string: release"
2126 # This can be used to create variants of sets of flags according to the
2129 # cflags => picker(default => "-Wall",
2130 # debug => "-g -O0",
2135 return sub { add($opts{default} || (),
2136 $opts{$config{build_type}} || ())->(); }
2139 # Helper function to combine several values of different types into one.
2140 # This is useful if you want to combine a string with the result of a
2141 # lazy function, such as:
2143 # cflags => combine("-Wall", sub { $disabled{zlib} ? () : "-DZLIB" })
2147 return sub { add(@stuff)->(); }
2150 # Helper function to implement conditional values depending on the value
2151 # of $disabled{threads}. Can be used as follows:
2153 # cflags => combine("-Wall", threads("-pthread"))
2157 return sub { add($disabled{threads} ? () : @flags)->(); }
2162 our $add_called = 0;
2163 # Helper function to implement adding values to already existing configuration
2164 # values. It handles elements that are ARRAYs, CODEs and scalars
2166 my $separator = shift;
2168 # If there's any ARRAY in the collection of values OR the separator
2169 # is undef, we will return an ARRAY of combined values, otherwise a
2170 # string of joined values with $separator as the separator.
2171 my $found_array = !defined($separator);
2176 while (ref($res) eq "CODE") {
2179 if (defined($res)) {
2180 if (ref($res) eq "ARRAY") {
2196 join($separator, grep { defined($_) && $_ ne "" } @values);
2200 my $separator = " ";
2201 if (ref($_[$#_]) eq "HASH") {
2203 $separator = $opts->{separator};
2206 sub { _add($separator, @x, @_) };
2209 my $separator = " ";
2210 if (ref($_[$#_]) eq "HASH") {
2212 $separator = $opts->{separator};
2215 sub { _add($separator, @_, @x) };
2218 # configuration reader, evaluates the input file as a perl script and expects
2219 # it to fill %targets with target configurations. Those are then added to
2223 open(CONFFILE, "< $fname")
2224 or die "Can't open configuration file '$fname'!\n";
2227 my $content = <CONFFILE>;
2232 # Protect certain tables from tampering
2233 local %table = %::table;
2239 # For each target, check that it's configured with a hash table.
2240 foreach (keys %targets) {
2241 if (ref($targets{$_}) ne "HASH") {
2242 if (ref($targets{$_}) eq "") {
2243 warn "Deprecated target configuration for $_, ignoring...\n";
2245 warn "Misconfigured target configuration for $_ (should be a hash table), ignoring...\n";
2247 delete $targets{$_};
2249 $targets{$_}->{_conf_fname_int} = add([ $fname ]);
2253 %table = (%table, %targets);
2257 # configuration resolver. Will only resolve all the lazy evaluation
2258 # codeblocks for the chosen target and all those it inherits from,
2260 sub resolve_config {
2262 my @breadcrumbs = @_;
2264 # my $extra_checks = defined($ENV{CONFIGURE_EXTRA_CHECKS});
2266 if (grep { $_ eq $target } @breadcrumbs) {
2267 die "inherit_from loop! target backtrace:\n "
2268 ,$target,"\n ",join("\n ", @breadcrumbs),"\n";
2271 if (!defined($table{$target})) {
2272 warn "Warning! target $target doesn't exist!\n";
2275 # Recurse through all inheritances. They will be resolved on the
2276 # fly, so when this operation is done, they will all just be a
2277 # bunch of attributes with string values.
2278 # What we get here, though, are keys with references to lists of
2279 # the combined values of them all. We will deal with lists after
2280 # this stage is done.
2281 my %combined_inheritance = ();
2282 if ($table{$target}->{inherit_from}) {
2284 map { ref($_) eq "CODE" ? $_->() : $_ } @{$table{$target}->{inherit_from}};
2285 foreach (@inherit_from) {
2286 my %inherited_config = resolve_config($_, $target, @breadcrumbs);
2288 # 'template' is a marker that's considered private to
2289 # the config that had it.
2290 delete $inherited_config{template};
2292 foreach (keys %inherited_config) {
2293 if (!$combined_inheritance{$_}) {
2294 $combined_inheritance{$_} = [];
2296 push @{$combined_inheritance{$_}}, $inherited_config{$_};
2301 # We won't need inherit_from in this target any more, since we've
2302 # resolved all the inheritances that lead to this
2303 delete $table{$target}->{inherit_from};
2305 # Now is the time to deal with those lists. Here's the place to
2306 # decide what shall be done with those lists, all based on the
2307 # values of the target we're currently dealing with.
2308 # - If a value is a coderef, it will be executed with the list of
2309 # inherited values as arguments.
2310 # - If the corresponding key doesn't have a value at all or is the
2311 # empty string, the inherited value list will be run through the
2312 # default combiner (below), and the result becomes this target's
2314 # - Otherwise, this target's value is assumed to be a string that
2315 # will simply override the inherited list of values.
2316 my $default_combiner = add();
2319 map { $_ => 1 } (keys %combined_inheritance,
2320 keys %{$table{$target}});
2322 sub process_values {
2324 my $inherited = shift; # Always a [ list ]
2330 while(ref($object) eq "CODE") {
2331 $object = $object->(@$inherited);
2333 if (!defined($object)) {
2336 elsif (ref($object) eq "ARRAY") {
2337 local $add_called; # To make sure recursive calls don't affect it
2338 return [ map { process_values($_, $inherited, $target, $entry) }
2340 } elsif (ref($object) eq "") {
2343 die "cannot handle reference type ",ref($object)
2344 ," found in target ",$target," -> ",$entry,"\n";
2348 foreach (sort keys %all_keys) {
2349 my $previous = $combined_inheritance{$_};
2351 # Current target doesn't have a value for the current key?
2352 # Assign it the default combiner, the rest of this loop body
2353 # will handle it just like any other coderef.
2354 if (!exists $table{$target}->{$_}) {
2355 $table{$target}->{$_} = $default_combiner;
2358 $table{$target}->{$_} = process_values($table{$target}->{$_},
2359 $combined_inheritance{$_},
2361 unless(defined($table{$target}->{$_})) {
2362 delete $table{$target}->{$_};
2364 # if ($extra_checks &&
2365 # $previous && !($add_called || $previous ~~ $table{$target}->{$_})) {
2366 # warn "$_ got replaced in $target\n";
2370 # Finally done, return the result.
2371 return %{$table{$target}};
2376 print STDERR $usage;
2377 print STDERR "\npick os/compiler from:\n";
2381 foreach $i (sort keys %table)
2383 next if $table{$i}->{template};
2384 next if $i =~ /^debug/;
2385 $k += length($i) + 1;
2391 print STDERR $i . " ";
2393 foreach $i (sort keys %table)
2395 next if $table{$i}->{template};
2396 next if $i !~ /^debug/;
2397 $k += length($i) + 1;
2403 print STDERR $i . " ";
2405 print STDERR "\n\nNOTE: If in doubt, on Unix-ish systems use './config'.\n";
2414 unlink $out || warn "Can't remove $out, $!"
2416 foreach (@templates) {
2417 die "Can't open $_, $!" unless -f $_;
2419 my $perlcmd = (quotify("maybeshell", $config{perl}))[0];
2420 my $cmd = "$perlcmd \"-I.\" \"-Mconfigdata\" \"$dofile\" -o\"Configure\" \"".join("\" \"",@templates)."\" > \"$out.new\"";
2421 #print STDERR "DEBUG[run_dofile]: \$cmd = $cmd\n";
2424 rename("$out.new", $out) || die "Can't rename $out.new, $!";
2431 if (eval { require IPC::Cmd; 1; }) {
2433 return scalar IPC::Cmd::can_run($name);
2435 # if there is $directories component in splitpath,
2436 # then it's not something to test with $PATH...
2437 return $name if (File::Spec->splitpath($name))[1];
2439 foreach (File::Spec->path()) {
2440 my $fullpath = catfile($_, "$name$target{exe_extension}");
2441 if (-f $fullpath and -x $fullpath) {
2448 # Configuration printer ##############################################
2450 sub print_table_entry
2453 my %target = resolve_config($target);
2456 # Don't print the templates
2457 return if $target{template};
2518 if ($type eq "TABLE") {
2520 print "*** $target\n";
2521 foreach (@sequence) {
2522 if (ref($target{$_}) eq "ARRAY") {
2523 printf "\$%-12s = %s\n", $_, join(" ", @{$target{$_}});
2525 printf "\$%-12s = %s\n", $_, $target{$_};
2528 } elsif ($type eq "HASH") {
2530 length((sort { length($a) <=> length($b) } @sequence)[-1]);
2531 print " '$target' => {\n";
2532 foreach (@sequence) {
2534 if (ref($target{$_}) eq "ARRAY") {
2535 print " '",$_,"'"," " x ($largest - length($_))," => [ ",join(", ", map { "'$_'" } @{$target{$_}})," ],\n";
2537 print " '",$_,"'"," " x ($largest - length($_))," => '",$target{$_},"',\n";
2545 # Utility routines ###################################################
2547 # On VMS, if the given file is a logical name, File::Spec::Functions
2548 # will consider it an absolute path. There are cases when we want a
2549 # purely syntactic check without checking the environment.
2553 # On non-platforms, we just use file_name_is_absolute().
2554 return file_name_is_absolute($file) unless $^O eq "VMS";
2556 # If the file spec includes a device or a directpry spec,
2557 # file_name_is_absolute() is perfectly safe.
2558 return file_name_is_absolute($file) if $file =~ m|[:\[]|;
2560 # Here, we know the given file spec isn't absolute
2564 # Makes a directory absolute and cleans out /../ in paths like foo/../bar
2565 # On some platforms, this uses rel2abs(), while on others, realpath() is used.
2566 # realpath() requires that at least all path components except the last is an
2567 # existing directory. On VMS, the last component of the directory spec must
2572 # realpath() is quite buggy on VMS. It uses LIB$FID_TO_NAME, which
2573 # will return the volume name for the device, no matter what. Also,
2574 # it will return an incorrect directory spec if the argument is a
2575 # directory that doesn't exist.
2577 return rel2abs($dir);
2580 # We use realpath() on Unix, since no other will properly clean out
2582 use Cwd qw/realpath/;
2584 return realpath($dir);
2589 perl => sub { my $x = shift;
2590 $x =~ s/([\\\$\@"])/\\$1/g;
2591 return '"'.$x.'"'; },
2592 maybeshell => sub { my $x = shift;
2593 (my $y = $x) =~ s/([\\\"])/\\$1/g;
2594 if ($x ne $y || $x =~ m|\s|) {
2603 defined($processors{$for}) ? $processors{$for} : sub { shift; };
2605 return map { $processor->($_); } @_;
2608 # collect_from_file($filename, $line_concat_cond_re, $line_concat)
2609 # $filename is a file name to read from
2610 # $line_concat_cond_re is a regexp detecting a line continuation ending
2611 # $line_concat is a CODEref that takes care of concatenating two lines
2612 sub collect_from_file {
2613 my $filename = shift;
2614 my $line_concat_cond_re = shift;
2615 my $line_concat = shift;
2617 open my $fh, $filename || die "unable to read $filename: $!\n";
2619 my $saved_line = "";
2623 if (defined $line_concat) {
2624 $_ = $line_concat->($saved_line, $_);
2627 if (defined $line_concat_cond_re && /$line_concat_cond_re/) {
2633 die "$filename ending with continuation line\n" if $_;
2639 # collect_from_array($array, $line_concat_cond_re, $line_concat)
2640 # $array is an ARRAYref of lines
2641 # $line_concat_cond_re is a regexp detecting a line continuation ending
2642 # $line_concat is a CODEref that takes care of concatenating two lines
2643 sub collect_from_array {
2645 my $line_concat_cond_re = shift;
2646 my $line_concat = shift;
2647 my @array = (@$array);
2650 my $saved_line = "";
2652 while (defined($_ = shift @array)) {
2654 if (defined $line_concat) {
2655 $_ = $line_concat->($saved_line, $_);
2658 if (defined $line_concat_cond_re && /$line_concat_cond_re/) {
2664 die "input text ending with continuation line\n" if $_;
2669 # collect_information($lineiterator, $line_continue, $regexp => $CODEref, ...)
2670 # $lineiterator is a CODEref that delivers one line at a time.
2671 # All following arguments are regex/CODEref pairs, where the regexp detects a
2672 # line and the CODEref does something with the result of the regexp.
2673 sub collect_information {
2674 my $lineiterator = shift;
2675 my %collectors = @_;
2677 while(defined($_ = $lineiterator->())) {
2680 if ($collectors{"BEFORE"}) {
2681 $collectors{"BEFORE"}->($_);
2683 foreach my $re (keys %collectors) {
2684 if ($re !~ /^OTHERWISE|BEFORE|AFTER$/ && /$re/) {
2685 $collectors{$re}->($lineiterator);
2689 if ($collectors{"OTHERWISE"}) {
2690 $collectors{"OTHERWISE"}->($lineiterator, $_)
2691 unless $found || !defined $collectors{"OTHERWISE"};
2693 if ($collectors{"AFTER"}) {
2694 $collectors{"AFTER"}->($_);
2700 # $line is a line of text to split up into tokens
2701 # returns a list of tokens
2703 # Tokens are divided by spaces. If the tokens include spaces, they
2704 # have to be quoted with single or double quotes. Double quotes
2705 # inside a double quoted token must be escaped. Escaping is done
2707 # Basically, the same quoting rules apply for " and ' as in any
2710 my $line = my $debug_line = shift;
2713 while ($line =~ s|^\s+||, $line ne "") {
2715 while ($line ne "" && $line !~ m|^\s|) {
2716 if ($line =~ m/^"((?:[^"\\]+|\\.)*)"/) {
2719 } elsif ($line =~ m/^'([^']*)'/) {
2722 } elsif ($line =~ m/^(\S+)/) {
2727 push @result, $token;
2730 if ($ENV{CONFIGURE_DEBUG_TOKENIZE}) {
2731 print STDERR "DEBUG[tokenize]: Parsed '$debug_line' into:\n";
2732 print STDERR "DEBUG[tokenize]: ('", join("', '", @result), "')\n";