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 IPC::Cmd qw/can_run/;
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 ASE_[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-specifc,
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 compability 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 version numbers
188 $config{version} = "unknown";
189 $config{version_num} = "unknown";
190 $config{shlib_version_number} = "unknown";
191 $config{shlib_version_history} = "unknown";
194 collect_from_file(catfile($srcdir,'include/openssl/opensslv.h')),
195 qr/OPENSSL.VERSION.TEXT.*OpenSSL (\S+) / => sub { $config{version} = $1; },
196 qr/OPENSSL.VERSION.NUMBER.*(0x\S+)/ => sub { $config{version_num}=$1 },
197 qr/SHLIB_VERSION_NUMBER *"([^"]+)"/ => sub { $config{shlib_version_number}=$1 },
198 qr/SHLIB_VERSION_HISTORY *"([^"]*)"/ => sub { $config{shlib_version_history}=$1 }
200 if ($config{shlib_version_history} ne "") { $config{shlib_version_history} .= ":"; }
202 ($config{major}, $config{minor})
203 = ($config{version} =~ /^([0-9]+)\.([0-9\.]+)/);
204 ($config{shlib_major}, $config{shlib_minor})
205 = ($config{shlib_version_number} =~ /^([0-9]+)\.([0-9\.]+)/);
206 die "erroneous version information in opensslv.h: ",
207 "$config{major}, $config{minor}, $config{shlib_major}, $config{shlib_minor}\n"
208 if ($config{major} eq "" || $config{minor} eq ""
209 || $config{shlib_major} eq "" || $config{shlib_minor} eq "");
211 # Collect target configurations
213 my $pattern = catfile(dirname($0), "Configurations", "*.conf");
214 foreach (sort glob($pattern) ) {
218 if (defined $ENV{$local_config_envname}) {
220 # VMS environment variables are logical names,
221 # which can be used as is
222 $pattern = $local_config_envname . ':' . '*.conf';
224 $pattern = catfile($ENV{$local_config_envname}, '*.conf');
227 foreach (sort glob($pattern) ) {
233 print "Configuring OpenSSL version $config{version} (0x$config{version_num})\n";
236 $config{openssldir}="";
237 $config{processor}="";
239 $config{cross_compile_prefix}="";
240 $config{fipslibdir}="/usr/local/ssl/fips-2.0/lib/";
241 my $nofipscanistercheck=0;
242 $config{baseaddr}="0xFB00000";
243 my $auto_threads=1; # enable threads automatically? true by default
247 # Top level directories to build
248 $config{dirs} = [ "crypto", "ssl", "engines", "apps", "test", "tools" ];
249 # crypto/ subdirectories to build
252 "md2", "md4", "md5", "sha", "mdc2", "hmac", "ripemd", "whrlpool", "poly1305", "blake2",
253 "des", "aes", "rc2", "rc4", "rc5", "idea", "bf", "cast", "camellia", "seed", "chacha", "modes",
254 "bn", "ec", "rsa", "dsa", "dh", "dso", "engine",
255 "buffer", "bio", "stack", "lhash", "rand", "err",
256 "evp", "asn1", "pem", "x509", "x509v3", "conf", "txt_db", "pkcs7", "pkcs12", "comp", "ocsp", "ui",
257 "cms", "ts", "srp", "cmac", "ct", "async", "kdf"
260 # Known TLS and DTLS protocols
261 my @tls = qw(ssl3 tls1 tls1_1 tls1_2);
262 my @dtls = qw(dtls1 dtls1_2);
264 # Explicitly known options that are possible to disable. They can
265 # be regexps, and will be used like this: /^no-${option}$/
266 # For developers: keep it sorted alphabetically
285 "crypto-mdebug-backtrace",
299 "ec_nistp_64_gcc_128",
351 foreach my $proto ((@tls, @dtls))
353 push(@disablables, $proto);
354 push(@disablables, "$proto-method");
357 my @deprecated_disablables = (
361 # All of the following is disabled by default (RC5 was enabled before 0.9.8):
363 our %disabled = ( # "what" => "comment"
365 "ec_nistp_64_gcc_128" => "default",
371 "ssl-trace" => "default",
373 "ssl3-method" => "default",
374 "ubsan" => "default",
375 "unit-test" => "default",
376 "weak-ssl-ciphers" => "default",
378 "zlib-dynamic" => "default",
379 "crypto-mdebug" => "default",
380 "heartbeats" => "default",
383 # Note: => pair form used for aesthetics, not to truly make a hash table
384 my @disable_cascades = (
385 # "what" => [ "cascade", ... ]
386 sub { $config{processor} eq "386" }
389 "ssl3-method" => [ "ssl3" ],
390 "zlib" => [ "zlib-dynamic" ],
392 "ec" => [ "ecdsa", "ecdh" ],
394 "dgram" => [ "dtls", "sctp" ],
395 "sock" => [ "dgram" ],
398 # SSL 3.0, (D)TLS 1.0 and TLS 1.1 require MD5 and SHA
399 "md5" => [ "ssl", "tls1", "tls1_1", "dtls1" ],
400 "sha" => [ "ssl", "tls1", "tls1_1", "dtls1" ],
402 # Additionally, SSL 3.0 requires either RSA or DSA+DH
404 && ($disabled{dsa} || $disabled{dh}); }
407 # (D)TLS 1.0 and TLS 1.1 also require either RSA or DSA+DH
408 # or ECDSA + ECDH. (D)TLS 1.2 has this requirement as well.
409 # (XXX: We don't support PSK-only builds).
411 && ($disabled{dsa} || $disabled{dh})
412 && ($disabled{ecdsa} || $disabled{ecdh}); }
413 => [ "tls1", "tls1_1", "tls1_2",
414 "dtls1", "dtls1_2" ],
418 # SRP and HEARTBEATS require TLSEXT
419 "tlsext" => [ "srp", "heartbeats" ],
421 "crypto-mdebug" => [ "crypto-mdebug-backtrace" ],
423 # Without DSO, we can't load dynamic engines, so don't build them dynamic
424 "dso" => [ "dynamic-engine" ],
426 # Without position independent code, there can be no shared libraries or DSOs
427 "pic" => [ "shared" ],
428 "shared" => [ "dynamic-engine" ],
429 "engine" => [ "afalgeng" ],
431 # no-autoalginit is only useful when building non-shared
432 "autoalginit" => [ "shared", "apps" ],
434 "stdio" => [ "apps" ],
435 "apps" => [ "tests" ],
436 "comp" => [ "zlib" ],
437 sub { !$disabled{"unit-test"} } => [ "heartbeats" ],
440 # Avoid protocol support holes. Also disable all versions below N, if version
441 # N is disabled while N+1 is enabled.
443 my @list = (reverse @tls);
444 while ((my $first, my $second) = (shift @list, shift @list)) {
446 push @disable_cascades, ( sub { !$disabled{$first} && $disabled{$second} }
448 unshift @list, $second;
450 my @list = (reverse @dtls);
451 while ((my $first, my $second) = (shift @list, shift @list)) {
453 push @disable_cascades, ( sub { !$disabled{$first} && $disabled{$second} }
455 unshift @list, $second;
458 # Explicit "no-..." options will be collected in %disabled along with the defaults.
459 # To remove something from %disabled, use "enable-foo".
460 # For symmetry, "disable-foo" is a synonym for "no-foo".
462 my @generated_headers = (
463 "include/openssl/opensslconf.h",
464 "crypto/include/internal/bn_conf.h",
465 "crypto/include/internal/dso_conf.h"
468 my @generated_by_make_headers = (
475 &usage if ($#ARGV < 0);
479 $config{openssl_api_defines}=[];
480 $config{openssl_algorithm_defines}=[];
481 $config{openssl_thread_defines}=[];
482 $config{openssl_sys_defines}=[];
483 $config{openssl_other_defines}=[];
487 $config{build_type} = "release";
491 if (grep /^reconf(igure)?$/, @argvcopy) {
492 if (-f "./configdata.pm") {
493 my $file = "./configdata.pm";
494 unless (my $return = do $file) {
495 die "couldn't parse $file: $@" if $@;
496 die "couldn't do $file: $!" unless defined $return;
497 die "couldn't run $file" unless $return;
500 @argvcopy = defined($configdata::config{perlargv}) ?
501 @{$configdata::config{perlargv}} : ();
502 die "Incorrect data to reconfigure, please do a normal configuration\n"
503 if (grep(/^reconf/,@argvcopy));
504 $ENV{CROSS_COMPILE} = $configdata::config{cross_compile_prefix}
505 if defined($configdata::config{cross_compile_prefix});
506 $ENV{CROSS_COMPILE} = $configdata::config{cc}
507 if defined($configdata::config{cc});
509 print "Reconfiguring with: ", join(" ",@argvcopy), "\n";
510 print " CROSS_COMPILE = ",$ENV{CROSS_COMPILE},"\n"
511 if $ENV{CROSS_COMPILE};
512 print " CC = ",$ENV{CC},"\n" if $ENV{CC};
513 } elsif (open IN, "<Makefile") {
515 # THIS SECTION IS TEMPORARY, it helps transitioning from Makefile
516 # centered information gathering the reading configdata.pm
520 if (/^CONFIGURE_ARGS=\s*(.*)\s*/) {
521 # Older form, we split the string and hope for the best
522 @argvcopy = split /\s+/, $_;
523 die "Incorrect data to reconfigure, please do a normal configuration\n"
524 if (grep(/^reconf/,@argvcopy));
525 } elsif (/^CROSS_COMPILE=\s*(.*)/) {
526 $ENV{CROSS_COMPILE}=$1;
527 } elsif (/^CC=\s*(?:\$\(CROSS_COMPILE\))?(.*?)$/) {
532 # END OF TEMPORARY SECTION
535 die "Insufficient data to reconfigure, please do a normal configuration\n";
539 $config{perlargv} = [ @argvcopy ];
541 my %unsupported_options = ();
542 my %deprecated_options = ();
545 # VMS is a case insensitive environment, and depending on settings
546 # out of our control, we may receive options uppercased. Let's
547 # downcase at least the part before any equal sign.
552 s /^-no-/no-/; # some people just can't read the instructions
554 # rewrite some options in "enable-..." form
555 s /^-?-?shared$/enable-shared/;
556 s /^sctp$/enable-sctp/;
557 s /^threads$/enable-threads/;
558 s /^zlib$/enable-zlib/;
559 s /^zlib-dynamic$/enable-zlib-dynamic/;
561 if (/^(no|disable|enable)-(.+)$/)
564 if (grep { $word =~ /^${_}$/ } @deprecated_disablables)
566 $deprecated_options{$_} = 1;
569 elsif (!grep { $word =~ /^${_}$/ } @disablables)
571 $unsupported_options{$_} = 1;
575 if (/^no-(.+)$/ || /^disable-(.+)$/)
577 foreach my $proto ((@tls, @dtls))
579 if ($1 eq "$proto-method")
581 $disabled{"$proto"} = "option($proto-method)";
587 foreach my $proto (@dtls)
589 $disabled{$proto} = "option(dtls)";
591 $disabled{"dtls"} = "option(dtls)";
595 # Last one of its kind
596 $disabled{"ssl3"} = "option(ssl)";
600 # XXX: Tests will fail if all SSL/TLS
601 # protocols are disabled.
602 foreach my $proto (@tls)
604 $disabled{$proto} = "option(tls)";
607 elsif ($1 eq "static-engine")
609 delete $disabled{"dynamic-engine"};
611 elsif ($1 eq "dynamic-engine")
613 $disabled{"dynamic-engine"} = "option";
617 $disabled{$1} = "option";
619 # No longer an automatic choice
620 $auto_threads = 0 if ($1 eq "threads");
622 elsif (/^enable-(.+)$/)
624 if ($1 eq "static-engine")
626 $disabled{"dynamic-engine"} = "option";
628 elsif ($1 eq "dynamic-engine")
630 delete $disabled{"dynamic-engine"};
632 elsif ($1 eq "zlib-dynamic")
634 delete $disabled{"zlib"};
637 delete $disabled{$algo};
639 # No longer an automatic choice
640 $auto_threads = 0 if ($1 eq "threads");
642 elsif (/^--strict-warnings$/)
644 $strict_warnings = 1;
648 $config{build_type} = "debug";
650 elsif (/^--release$/)
652 $config{build_type} = "release";
655 { $config{processor}=386; }
662 # No RSAref support any more since it's not needed.
663 # The check for the option is there so scripts aren't
666 elsif (/^nofipscanistercheck$/)
669 $nofipscanistercheck = 1;
673 if (/^--prefix=(.*)$/)
676 die "Directory given with --prefix MUST be absolute\n"
677 unless file_name_is_absolute($config{prefix});
679 elsif (/^--api=(.*)$/)
683 elsif (/^--libdir=(.*)$/)
687 elsif (/^--openssldir=(.*)$/)
689 $config{openssldir}=$1;
691 elsif (/^--with-zlib-lib=(.*)$/)
693 $withargs{zlib_lib}=$1;
695 elsif (/^--with-zlib-include=(.*)$/)
697 $withargs{zlib_include}=$1;
699 elsif (/^--with-fipslibdir=(.*)$/)
701 $config{fipslibdir}="$1/";
703 elsif (/^--with-baseaddr=(.*)$/)
705 $config{baseaddr}="$1";
707 elsif (/^--cross-compile-prefix=(.*)$/)
709 $config{cross_compile_prefix}=$1;
711 elsif (/^--config=(.*)$/)
715 elsif (/^-[lL](.*)$/ or /^-Wl,/)
721 push @user_defines, $1;
723 else # common if (/^[-+]/), just pass down...
725 $_ =~ s/%([0-9a-f]{1,2})/chr(hex($1))/gei;
726 $user_cflags.=" ".$_;
731 die "target already defined - $target (offending arg: $_)\n" if ($target ne "");
734 unless ($_ eq $target || /^no-/ || /^disable-/)
736 # "no-..." follows later after implied disactivations
737 # have been derived. (Don't take this too seriously,
738 # we really only write OPTIONS to the Makefile out of
741 if ($config{options} eq "")
742 { $config{options} = $_; }
744 { $config{options} .= " ".$_; }
747 if (defined($config{api}) && !exists $apitable->{$config{api}}) {
748 die "***** Unsupported api compatibility level: $config{api}\n",
751 if (keys %deprecated_options)
753 warn "***** Deprecated options: ",
754 join(", ", keys %deprecated_options), "\n";
756 if (keys %unsupported_options)
758 die "***** Unsupported options: ",
759 join(", ", keys %unsupported_options), "\n";
765 delete $disabled{"shared"} if ($disabled{"shared"} =~ /^default/);
769 @{$config{dirs}} = grep !/^fips$/, @{$config{dirs}};
772 my @tocheckfor = (keys %disabled);
773 while (@tocheckfor) {
774 my %new_tocheckfor = ();
775 my @cascade_copy = (@disable_cascades);
776 while (@cascade_copy) {
777 my ($test, $descendents) = (shift @cascade_copy, shift @cascade_copy);
778 if (ref($test) eq "CODE" ? $test->() : defined($disabled{$test})) {
779 foreach(grep { !defined($disabled{$_}) } @$descendents) {
780 $new_tocheckfor{$_} = 1; $disabled{$_} = "forced";
784 @tocheckfor = (keys %new_tocheckfor);
787 if ($target eq "TABLE") {
788 foreach (sort keys %table) {
789 print_table_entry($_, "TABLE");
794 if ($target eq "LIST") {
795 foreach (sort keys %table) {
796 print $_,"\n" unless $table{$_}->{template};
801 if ($target eq "HASH") {
802 print "%table = (\n";
803 foreach (sort keys %table) {
804 print_table_entry($_, "HASH");
809 # Backward compatibility?
810 if ($target =~ m/^CygWin32(-.*)$/) {
811 $target = "Cygwin".$1;
814 foreach (sort (keys %disabled))
816 $config{options} .= " no-$_";
818 printf " no-%-12s %-10s", $_, "[$disabled{$_}]";
830 elsif (/^dynamic-engine$/)
832 elsif (/^makedepend$/)
834 elsif (/^zlib-dynamic$/)
840 @{$config{dirs}} = grep !/^engines$/, @{$config{dirs}};
841 @{$config{sdirs}} = grep !/^engine$/, @{$config{sdirs}};
842 push @{$config{openssl_other_defines}}, "OPENSSL_NO_ENGINE";
847 ($ALGO = $algo = $_) =~ tr/[\-a-z]/[_A-Z]/;
849 if (/^asm$/ || /^err$/ || /^hw$/ || /^hw-/ || /^async$/
850 || /^autoalginit/ || /^autoerrinit/)
852 push @{$config{openssl_other_defines}}, "OPENSSL_NO_$ALGO";
853 print " OPENSSL_NO_$ALGO";
855 if (/^err$/) { push @user_defines, "OPENSSL_NO_ERR"; }
859 ($ALGO,$algo) = ("RMD160","rmd160") if ($algo eq "ripemd");
861 push @{$config{openssl_algorithm_defines}}, "OPENSSL_NO_$ALGO";
862 print " OPENSSL_NO_$ALGO";
864 # fix-up crypto/directory name(s)
865 $algo="whrlpool" if $algo eq "whirlpool";
866 $algo="ripemd" if $algo eq "rmd160";
867 @{$config{sdirs}} = grep { $_ ne $algo} @{$config{sdirs}};
876 print "Configuring for $target\n";
878 # Support for legacy targets having a name starting with 'debug-'
879 my ($d, $t) = $target =~ m/^(debug-)?(.*)$/;
881 $config{build_type} = "debug";
883 # If we do not find debug-foo in the table, the target is set to foo.
884 if (!$table{$target}) {
888 $config{target} = $target;
889 my %target = resolve_config($target);
891 &usage if (!%target || $target{template});
893 %target = ( %{$table{DEFAULTS}}, %target );
895 $target{exe_extension}="";
896 $target{exe_extension}=".exe" if ($config{target} eq "DJGPP"
897 || $config{target} =~ /^(?:Cygwin|mingw)/);
898 $target{exe_extension}=".pm" if ($config{target} =~ /vos/);
900 ($target{shared_extension_simple}=$target{shared_extension})
901 =~ s|\.\$\(SHLIB_MAJOR\)\.\$\(SHLIB_MINOR\)||;
902 $target{dso_extension}=$target{shared_extension_simple};
903 ($target{shared_import_extension}=$target{shared_extension_simple}.".a")
904 if ($config{target} =~ /^(?:Cygwin|mingw)/);
907 $config{cross_compile_prefix} = $ENV{'CROSS_COMPILE'}
908 if $config{cross_compile_prefix} eq "";
910 # Allow overriding the names of some tools. USE WITH CARE
911 $config{perl} = $ENV{'PERL'} || ($^O ne "VMS" ? $^X : "perl");
912 $target{cc} = $ENV{'CC'} || $target{cc} || "cc";
913 $target{ranlib} = $ENV{'RANLIB'} || $target{ranlib} ||
914 (scalar can_run("$config{cross_compile_prefix}ranlib") ?
915 "\$(CROSS_COMPILE)ranlib" : "true");
916 $target{ar} = $ENV{'AR'} || $target{ar} || "ar";
917 $target{nm} = $ENV{'NM'} || $target{nm} || "nm";
919 # For cflags, lflags, plib_lflags, ex_libs and defines, add the debug_
920 # or release_ attributes.
921 # Do it in such a way that no spurious space is appended (hence the grep).
922 $config{defines} = [];
923 $config{cflags} = "";
924 $config{ex_libs} = "";
925 $config{shared_ldflag} = "";
927 # Make sure build_scheme is consistent.
928 $target{build_scheme} = [ $target{build_scheme} ]
929 if ref($target{build_scheme}) ne "ARRAY";
931 my ($builder, $builder_platform, @builder_opts) =
932 @{$target{build_scheme}};
934 push @{$config{defines}}, "NDEBUG" if $config{build_type} eq "release";
936 if ($target =~ /^mingw/ && `$target{cc} --target-help 2>&1` =~ m/-mno-cygwin/m)
938 $config{cflags} .= " -mno-cygwin";
939 $config{shared_ldflag} .= " -mno-cygwin";
942 if ($target =~ /linux.*-mips/ && !$disabled{asm} && $user_cflags !~ /-m(ips|arch=)/) {
943 # minimally required architecture flags for assembly modules
944 $config{cflags}="-mips2 $config{cflags}" if ($target =~ /mips32/);
945 $config{cflags}="-mips3 $config{cflags}" if ($target =~ /mips64/);
948 my $no_shared_warn=0;
949 my $no_user_cflags=0;
950 my $no_user_defines=0;
952 # The DSO code currently always implements all functions so that no
953 # applications will have to worry about that from a compilation point
954 # of view. However, the "method"s may return zero unless that platform
955 # has support compiled in for them. Currently each method is enabled
956 # by a define "DSO_<name>" ... we translate the "dso_scheme" config
957 # string entry into using the following logic;
958 if (!$disabled{dso} && $target{dso_scheme} ne "")
960 $target{dso_scheme} =~ tr/[a-z]/[A-Z]/;
961 if ($target{dso_scheme} eq "DLFCN")
963 unshift @{$config{defines}}, "DSO_DLFCN", "HAVE_DLFCN_H";
965 elsif ($target{dso_scheme} eq "DLFCN_NO_H")
967 unshift @{$config{defines}}, "DSO_DLFCN";
971 unshift @{$config{defines}}, "DSO_$target{dso_scheme}";
975 $config{ex_libs}="$libs$config{ex_libs}" if ($libs ne "");
981 @{$config{defines}} = grep !/^[BL]_ENDIAN$/, @{$config{defines}};
982 @{$target{defines}} = grep !/^[BL]_ENDIAN$/, @{$target{defines}};
986 # If threads aren't disabled, check how possible they are
987 unless ($disabled{threads}) {
989 # Enabled by default, disable it forcibly if unavailable
990 if ($target{thread_scheme} eq "(unknown)") {
991 $disabled{threads} = "unavailable";
994 # The user chose to enable threads explicitly, let's see
995 # if there's a chance that's possible
996 if ($target{thread_scheme} eq "(unknown)") {
997 # If the user asked for "threads" and we don't have internal
998 # knowledge how to do it, [s]he is expected to provide any
999 # system-dependent compiler options that are necessary. We
1000 # can't truly check that the given options are correct, but
1001 # we expect the user to know what [s]He is doing.
1002 if ($no_user_cflags && $no_user_defines) {
1003 die "You asked for multi-threading support, but didn't\n"
1004 ,"provide any system-specific compiler options\n";
1010 # If threads still aren't disabled, add a C macro to ensure the source
1011 # code knows about it. Any other flag is taken care of by the configs.
1012 unless($disabled{threads}) {
1013 foreach (("defines", "openssl_thread_defines")) {
1014 push @{$config{$_}}, "OPENSSL_THREADS";
1018 # With "deprecated" disable all deprecated features.
1019 if (defined($disabled{"deprecated"})) {
1020 $config{api} = $maxapi;
1023 if ($target{shared_target} eq "")
1026 if ((!$disabled{shared} || !$disabled{"dynamic-engine"})
1028 $disabled{shared} = "no-shared-target";
1029 $disabled{pic} = $disabled{shared} = $disabled{"dynamic-engine"} =
1033 if ($disabled{"dynamic-engine"}) {
1034 push @{$config{defines}}, "OPENSSL_NO_DYNAMIC_ENGINE";
1035 $config{dynamic_engines} = 0;
1037 push @{$config{defines}}, "OPENSSL_NO_STATIC_ENGINE";
1038 $config{dynamic_engines} = 1;
1041 unless ($disabled{fuzz}) {
1042 push @{$config{dirs}}, "fuzz";
1043 $config{cflags} .= "-fsanitize-coverage=edge,indirect-calls ";
1046 unless ($disabled{asan}) {
1047 $config{cflags} .= "-fsanitize=address ";
1050 unless ($disabled{ubsan}) {
1051 # -DPEDANTIC or -fnosanitize=aligmnent may also be required on some
1053 $config{cflags} .= "-fsanitize=undefined -fno-sanitize-recover=all ";
1056 unless ($disabled{fuzz} && $disabled{asan} && $disabled{ubsan}) {
1057 $config{cflags} .= "-fno-omit-frame-pointer -g ";
1063 # This saves the build files from having to check
1066 $target{shared_cflag} = $target{shared_ldflag} =
1067 $target{shared_rcflag} = "";
1071 push @{$config{defines}}, "OPENSSL_PIC";
1074 if ($target{sys_id} ne "")
1076 push @{$config{openssl_sys_defines}}, "OPENSSL_SYS_$target{sys_id}";
1079 unless ($disabled{asm}) {
1080 $target{cpuid_asm_src}=$table{DEFAULTS}->{cpuid_asm_src} if ($config{processor} eq "386");
1081 $target{bn_asm_src} =~ s/\w+-gf2m.c// if (defined($disabled{ec2m}));
1083 # bn-586 is the only one implementing bn_*_part_words
1084 push @{$config{defines}}, "OPENSSL_BN_ASM_PART_WORDS" if ($target{bn_asm_src} =~ /bn-586/);
1085 push @{$config{defines}}, "OPENSSL_IA32_SSE2" if (!$no_sse2 && $target{bn_asm_src} =~ /86/);
1087 push @{$config{defines}}, "OPENSSL_BN_ASM_MONT" if ($target{bn_asm_src} =~ /-mont/);
1088 push @{$config{defines}}, "OPENSSL_BN_ASM_MONT5" if ($target{bn_asm_src} =~ /-mont5/);
1089 push @{$config{defines}}, "OPENSSL_BN_ASM_GF2m" if ($target{bn_asm_src} =~ /-gf2m/);
1091 if ($config{fips}) {
1092 push @{$config{openssl_other_defines}}, "OPENSSL_FIPS";
1095 if ($target{sha1_asm_src}) {
1096 push @{$config{defines}}, "SHA1_ASM" if ($target{sha1_asm_src} =~ /sx86/ || $target{sha1_asm_src} =~ /sha1/);
1097 push @{$config{defines}}, "SHA256_ASM" if ($target{sha1_asm_src} =~ /sha256/);
1098 push @{$config{defines}}, "SHA512_ASM" if ($target{sha1_asm_src} =~ /sha512/);
1100 if ($target{md5_asm_src}) {
1101 push @{$config{defines}}, "MD5_ASM";
1103 $target{cast_asm_src}=$table{DEFAULTS}->{cast_asm_src} unless $disabled{pic}; # CAST assembler is not PIC
1104 if ($target{rmd160_asm_src}) {
1105 push @{$config{defines}}, "RMD160_ASM";
1107 if ($target{aes_asm_src}) {
1108 push @{$config{defines}}, "AES_ASM" if ($target{aes_asm_src} =~ m/\baes-/);;
1109 # aes-ctr.fake is not a real file, only indication that assembler
1110 # module implements AES_ctr32_encrypt...
1111 push @{$config{defines}}, "AES_CTR_ASM" if ($target{aes_asm_src} =~ s/\s*aes-ctr\.fake//);
1112 # aes-xts.fake indicates presence of AES_xts_[en|de]crypt...
1113 push @{$config{defines}}, "AES_XTS_ASM" if ($target{aes_asm_src} =~ s/\s*aes-xts\.fake//);
1114 $target{aes_asm_src} =~ s/\s*(vpaes|aesni)-x86\.s//g if ($no_sse2);
1115 push @{$config{defines}}, "VPAES_ASM" if ($target{aes_asm_src} =~ m/vpaes/);
1116 push @{$config{defines}}, "BSAES_ASM" if ($target{aes_asm_src} =~ m/bsaes/);
1118 if ($target{wp_asm_src} =~ /mmx/) {
1119 if ($config{processor} eq "386") {
1120 $target{wp_asm_src}=$table{DEFAULTS}->{wp_asm_src};
1121 } elsif (!$disabled{"whirlpool"}) {
1122 push @{$config{defines}}, "WHIRLPOOL_ASM";
1125 if ($target{modes_asm_src} =~ /ghash-/) {
1126 push @{$config{defines}}, "GHASH_ASM";
1128 if ($target{ec_asm_src} =~ /ecp_nistz256/) {
1129 push @{$config{defines}}, "ECP_NISTZ256_ASM";
1131 if ($target{poly1305_asm_src} ne "") {
1132 push @{$config{defines}}, "POLY1305_ASM";
1136 my $ecc = $target{cc};
1137 if ($^O ne "VMS" && !$disabled{makedepend}) {
1138 # Is the compiler gcc or clang? $ecc is used below to see if
1139 # error-checking can be turned on.
1140 my $ccpcc = "$config{cross_compile_prefix}$target{cc}";
1141 open(PIPE, "$ccpcc --version 2>&1 |");
1144 # Find the version number and save the major.
1145 m|(?:.*)\b(\d+)\.\d+\.\d+\b(?:.*)|;
1146 my $compiler_major = $1;
1147 # We know that GNU C version 3 and up as well as all clang
1148 # versions support dependency generation
1149 $config{makedepprog} = $ccpcc
1150 if (/clang/ || (/gcc/ && $compiler_major > 3));
1151 $ecc = "clang" if /clang/;
1152 $ecc = "gcc" if /gcc/;
1153 last if ($config{makedepprog} || !$lines--);
1157 $config{makedepprog} = scalar can_run('makedepend') unless $config{makedepprog};
1158 $disabled{makedepend} = "unavailable" unless $config{makedepprog};
1163 # Deal with bn_ops ###################################################
1166 $config{export_var_as_fn} =0;
1167 my $def_int="unsigned int";
1168 $config{rc4_int} =$def_int;
1169 ($config{b64l},$config{b64},$config{b32})=(0,0,1);
1172 foreach (sort split(/\s+/,$target{bn_ops})) {
1173 $count++ if /SIXTY_FOUR_BIT|SIXTY_FOUR_BIT_LONG|THIRTY_TWO_BIT/;
1174 $config{export_var_as_fn}=1 if $_ eq 'EXPORT_VAR_AS_FN';
1175 $config{bn_ll}=1 if $_ eq 'BN_LLONG';
1176 $config{rc4_int}="unsigned char" if $_ eq 'RC4_CHAR';
1177 ($config{b64l},$config{b64},$config{b32})
1178 =(0,1,0) if $_ eq 'SIXTY_FOUR_BIT';
1179 ($config{b64l},$config{b64},$config{b32})
1180 =(1,0,0) if $_ eq 'SIXTY_FOUR_BIT_LONG';
1181 ($config{b64l},$config{b64},$config{b32})
1182 =(0,0,1) if $_ eq 'THIRTY_TWO_BIT';
1184 die "Exactly one of SIXTY_FOUR_BIT|SIXTY_FOUR_BIT_LONG|THIRTY_TWO_BIT can be set in bn_ops\n"
1188 # Hack cflags for better warnings (dev option) #######################
1190 # "Stringify" the C flags string. This permits it to be made part of a string
1191 # and works as well on command lines.
1192 $config{cflags} =~ s/([\\\"])/\\$1/g;
1194 if (defined($config{api})) {
1195 $config{openssl_api_defines} = [ "OPENSSL_MIN_API=".$apitable->{$config{api}} ];
1196 my $apiflag = sprintf("OPENSSL_API_COMPAT=%s", $apitable->{$config{api}});
1197 push @{$config{defines}}, $apiflag;
1200 if ($strict_warnings)
1203 die "ERROR --strict-warnings requires gcc or clang"
1204 unless $ecc eq 'gcc' || $ecc eq 'clang';
1205 foreach $wopt (split /\s+/, $gcc_devteam_warn)
1207 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1209 if ($ecc eq "clang")
1211 foreach $wopt (split /\s+/, $clang_devteam_warn)
1213 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1218 unless ($disabled{"crypto-mdebug-backtrace"})
1220 foreach my $wopt (split /\s+/, $memleak_devteam_backtrace)
1222 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1224 if ($target =~ /^BSD-/)
1226 $config{ex_libs} .= " -lexecinfo";
1230 if ($user_cflags ne "") { $config{cflags}="$config{cflags}$user_cflags"; }
1231 else { $no_user_cflags=1; }
1232 if (@user_defines) { $config{defines}=[ @{$config{defines}}, @user_defines ]; }
1233 else { $no_user_defines=1; }
1235 # ALL MODIFICATIONS TO %config and %target MUST BE DONE FROM HERE ON
1237 unless ($disabled{afalgeng}) {
1238 $config{afalgeng}="";
1239 if ($target =~ m/^linux/) {
1240 my $minver = 4*10000 + 1*100 + 0;
1241 if ($config{cross_compile_prefix} eq "") {
1242 my $verstr = `uname -r`;
1243 my ($ma, $mi1, $mi2) = split("\\.", $verstr);
1244 ($mi2) = $mi2 =~ /(\d+)/;
1245 my $ver = $ma*10000 + $mi1*100 + $mi2;
1246 if ($ver < $minver) {
1247 $disabled{afalgeng} = "too-old-kernel";
1249 push @{$config{engdirs}}, "afalg";
1252 $disabled{afalgeng} = "cross-compiling";
1255 $disabled{afalgeng} = "not-linux";
1259 push @{$config{openssl_other_defines}}, "OPENSSL_NO_AFALGENG" if ($disabled{afalgeng});
1261 # If we use the unified build, collect information from build.info files
1262 my %unified_info = ();
1264 my $buildinfo_debug = defined($ENV{CONFIGURE_DEBUG_BUILDINFO});
1265 if ($builder eq "unified") {
1266 # Store the name of the template file we will build the build file from
1267 # in %config. This may be useful for the build file itself.
1268 my $build_file_template;
1270 for my $filename (( $builder_platform."-".$target{build_file}.".tmpl",
1271 $target{build_file}.".tmpl" )) {
1272 if (defined $ENV{$local_config_envname}) {
1274 # VMS environment variables are logical names,
1275 # which can be used as is
1276 $build_file_template = $local_config_envname . ':' . $filename;
1278 $build_file_template = catfile($ENV{$local_config_envname},
1283 last if -f $build_file_template;
1285 $build_file_template = catfile($srcdir, "Configurations", $filename);
1287 last if -f $build_file_template;
1289 $config{build_file_template} = $build_file_template;
1291 use lib catdir(dirname(__FILE__),"util");
1292 use with_fallback qw(Text::Template);
1297 my $relativeto = shift || ".";
1299 $dir = catdir($base,$dir) unless isabsolute($dir);
1301 # Make sure the directories we're building in exists
1304 my $res = abs2rel(absolutedir($dir), rel2abs($relativeto));
1305 #print STDERR "DEBUG[cleandir]: $dir , $base => $res\n";
1312 my $relativeto = shift || ".";
1314 $file = catfile($base,$file) unless isabsolute($file);
1316 my $d = dirname($file);
1317 my $f = basename($file);
1319 # Make sure the directories we're building in exists
1322 my $res = abs2rel(catfile(absolutedir($d), $f), rel2abs($relativeto));
1323 #print STDERR "DEBUG[cleanfile]: $d , $f => $res\n";
1327 my @build_infos = ( [ ".", "build.info" ] );
1328 foreach (@{$config{dirs}}) {
1329 push @build_infos, [ $_, "build.info" ]
1330 if (-f catfile($srcdir, $_, "build.info"));
1332 foreach (@{$config{sdirs}}) {
1333 push @build_infos, [ catdir("crypto", $_), "build.info" ]
1334 if (-f catfile($srcdir, "crypto", $_, "build.info"));
1336 foreach (@{$config{engdirs}}) {
1337 push @build_infos, [ catdir("engines", $_), "build.info" ]
1338 if (-f catfile($srcdir, "engines", $_, "build.info"));
1341 $config{build_infos} = [ ];
1343 foreach (@build_infos) {
1344 my $sourced = catdir($srcdir, $_->[0]);
1345 my $buildd = catdir($blddir, $_->[0]);
1350 # The basic things we're trying to build
1357 my @intermediates = ();
1362 my %shared_sources = ();
1366 my %sharednames = ();
1369 push @{$config{build_infos}}, catfile(abs2rel($sourced, $blddir), $f);
1370 my $template = Text::Template->new(TYPE => 'FILE',
1371 SOURCE => catfile($sourced, $f));
1372 die "Something went wrong with $sourced/$f: $!\n" unless $template;
1375 $template->fill_in(HASH => { config => \%config,
1377 disabled => \%disabled,
1378 builddir => abs2rel($buildd, $blddir),
1379 sourcedir => abs2rel($sourced, $blddir),
1380 buildtop => abs2rel($blddir, $blddir),
1381 sourcetop => abs2rel($srcdir, $blddir) },
1382 DELIMITERS => [ "{-", "-}" ]);
1384 # The top item of this stack has the following values
1385 # -2 positive already run and we found ELSE (following ELSIF should fail)
1386 # -1 positive already run (skip until ENDIF)
1387 # 0 negatives so far (if we're at a condition, check it)
1388 # 1 last was positive (don't skip lines until next ELSE, ELSIF or ENDIF)
1389 # 2 positive ELSE (following ELSIF should fail)
1391 collect_information(
1392 collect_from_array([ @text ],
1393 qr/\\$/ => sub { my $l1 = shift; my $l2 = shift;
1394 $l1 =~ s/\\$//; $l1.$l2 }),
1395 # Info we're looking for
1396 qr/^\s*IF\[((?:\\.|[^\\\]])*)\]\s*$/
1398 if (! @skip || $skip[$#skip] > 0) {
1404 qr/^\s*ELSIF\[((?:\\.|[^\\\]])*)\]\s*$/
1405 => sub { die "ELSIF out of scope" if ! @skip;
1406 die "ELSIF following ELSE" if abs($skip[$#skip]) == 2;
1407 $skip[$#skip] = -1 if $skip[$#skip] != 0;
1408 $skip[$#skip] = !! $1
1409 if $skip[$#skip] == 0; },
1411 => sub { die "ELSE out of scope" if ! @skip;
1412 $skip[$#skip] = -2 if $skip[$#skip] != 0;
1413 $skip[$#skip] = 2 if $skip[$#skip] == 0; },
1415 => sub { die "ENDIF out of scope" if ! @skip;
1417 qr/^\s*PROGRAMS\s*=\s*(.*)\s*$/
1418 => sub { push @programs, split(/\s+/, $1)
1419 if !@skip || $skip[$#skip] > 0 },
1420 qr/^\s*LIBS\s*=\s*(.*)\s*$/
1421 => sub { push @libraries, split(/\s+/, $1)
1422 if !@skip || $skip[$#skip] > 0 },
1423 qr/^\s*ENGINES\s*=\s*(.*)\s*$/
1424 => sub { push @engines, split(/\s+/, $1)
1425 if !@skip || $skip[$#skip] > 0 },
1426 qr/^\s*SCRIPTS\s*=\s*(.*)\s*$/
1427 => sub { push @scripts, split(/\s+/, $1)
1428 if !@skip || $skip[$#skip] > 0 },
1429 qr/^\s*EXTRA\s*=\s*(.*)\s*$/
1430 => sub { push @extra, split(/\s+/, $1)
1431 if !@skip || $skip[$#skip] > 0 },
1432 qr/^\s*OVERRIDES\s*=\s*(.*)\s*$/
1433 => sub { push @overrides, split(/\s+/, $1)
1434 if !@skip || $skip[$#skip] > 0 },
1436 qr/^\s*ORDINALS\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/,
1437 => sub { push @{$ordinals{$1}}, split(/\s+/, $2)
1438 if !@skip || $skip[$#skip] > 0 },
1439 qr/^\s*SOURCE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1440 => sub { push @{$sources{$1}}, split(/\s+/, $2)
1441 if !@skip || $skip[$#skip] > 0 },
1442 qr/^\s*SHARED_SOURCE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1443 => sub { push @{$shared_sources{$1}}, split(/\s+/, $2)
1444 if !@skip || $skip[$#skip] > 0 },
1445 qr/^\s*INCLUDE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1446 => sub { push @{$includes{$1}}, split(/\s+/, $2)
1447 if !@skip || $skip[$#skip] > 0 },
1448 qr/^\s*DEPEND\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1449 => sub { push @{$depends{$1}}, split(/\s+/, $2)
1450 if !@skip || $skip[$#skip] > 0 },
1451 qr/^\s*GENERATE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1452 => sub { push @{$generate{$1}}, $2
1453 if !@skip || $skip[$#skip] > 0 },
1454 qr/^\s*RENAME\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1455 => sub { push @{$renames{$1}}, split(/\s+/, $2)
1456 if !@skip || $skip[$#skip] > 0 },
1457 qr/^\s*SHARED_NAME\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1458 => sub { push @{$sharednames{$1}}, split(/\s+/, $2)
1459 if !@skip || $skip[$#skip] > 0 },
1460 qr/^\s*BEGINRAW\[((?:\\.|[^\\\]])+)\]\s*$/
1462 my $lineiterator = shift;
1463 my $target_kind = $1;
1464 while (defined $lineiterator->()) {
1466 if (/^\s*ENDRAW\[((?:\\.|[^\\\]])+)\]\s*$/) {
1467 die "ENDRAW doesn't match BEGINRAW"
1468 if $1 ne $target_kind;
1471 next if @skip && $skip[$#skip] <= 0;
1473 if ($target_kind eq $target{build_file}
1474 || $target_kind eq $target{build_file}."(".$builder_platform.")");
1477 qr/^(?:#.*|\s*)$/ => sub { },
1478 "OTHERWISE" => sub { die "Something wrong with this line:\n$_\nat $sourced/$f" },
1480 if ($buildinfo_debug) {
1481 print STDERR "DEBUG: Parsing ",join(" ", @_),"\n";
1482 print STDERR "DEBUG: ... before parsing, skip stack is ",join(" ", map { int($_) } @skip),"\n";
1486 if ($buildinfo_debug) {
1487 print STDERR "DEBUG: .... after parsing, skip stack is ",join(" ", map { int($_) } @skip),"\n";
1491 die "runaway IF?" if (@skip);
1493 foreach (keys %renames) {
1494 die "$_ renamed to more than one thing: "
1495 ,join(" ", @{$renames{$_}}),"\n"
1496 if scalar @{$renames{$_}} > 1;
1497 my $dest = cleanfile($buildd, $_, $blddir);
1498 my $to = cleanfile($buildd, $renames{$_}->[0], $blddir);
1499 die "$dest renamed to more than one thing: "
1500 ,$unified_info{rename}->{$dest}, $to
1501 unless !defined($unified_info{rename}->{$dest})
1502 or $unified_info{rename}->{$dest} eq $to;
1503 $unified_info{rename}->{$dest} = $to;
1506 foreach (@programs) {
1507 my $program = cleanfile($buildd, $_, $blddir);
1508 if ($unified_info{rename}->{$program}) {
1509 $program = $unified_info{rename}->{$program};
1511 $unified_info{programs}->{$program} = 1;
1514 foreach (@libraries) {
1515 my $library = cleanfile($buildd, $_, $blddir);
1516 if ($unified_info{rename}->{$library}) {
1517 $library = $unified_info{rename}->{$library};
1519 $unified_info{libraries}->{$library} = 1;
1522 die <<"EOF" if scalar @engines and !$config{dynamic_engines};
1523 ENGINES can only be used if configured with 'dynamic-engine'.
1524 This is usually a fault in a build.info file.
1526 foreach (@engines) {
1527 my $library = cleanfile($buildd, $_, $blddir);
1528 if ($unified_info{rename}->{$library}) {
1529 $library = $unified_info{rename}->{$library};
1531 $unified_info{engines}->{$library} = 1;
1534 foreach (@scripts) {
1535 my $script = cleanfile($buildd, $_, $blddir);
1536 if ($unified_info{rename}->{$script}) {
1537 $script = $unified_info{rename}->{$script};
1539 $unified_info{scripts}->{$script} = 1;
1543 my $extra = cleanfile($buildd, $_, $blddir);
1544 $unified_info{extra}->{$extra} = 1;
1547 foreach (@overrides) {
1548 my $override = cleanfile($buildd, $_, $blddir);
1549 $unified_info{overrides}->{$override} = 1;
1552 push @{$unified_info{rawlines}}, @rawlines;
1554 unless ($disabled{shared}) {
1555 # Check sharednames.
1556 foreach (keys %sharednames) {
1557 my $dest = cleanfile($buildd, $_, $blddir);
1558 if ($unified_info{rename}->{$dest}) {
1559 $dest = $unified_info{rename}->{$dest};
1561 die "shared_name for $dest with multiple values: "
1562 ,join(" ", @{$sharednames{$_}}),"\n"
1563 if scalar @{$sharednames{$_}} > 1;
1564 my $to = cleanfile($buildd, $sharednames{$_}->[0], $blddir);
1565 die "shared_name found for a library $dest that isn't defined\n"
1566 unless $unified_info{libraries}->{$dest};
1567 die "shared_name for $dest with multiple values: "
1568 ,$unified_info{sharednames}->{$dest}, ", ", $to
1569 unless !defined($unified_info{sharednames}->{$dest})
1570 or $unified_info{sharednames}->{$dest} eq $to;
1571 $unified_info{sharednames}->{$dest} = $to;
1574 # Additionally, we set up sharednames for libraries that don't
1575 # have any, as themselves.
1576 foreach (keys %{$unified_info{libraries}}) {
1577 if (!defined $unified_info{sharednames}->{$_}) {
1578 $unified_info{sharednames}->{$_} = $_
1583 foreach (keys %ordinals) {
1585 my $ddest = cleanfile($buildd, $_, $blddir);
1586 if ($unified_info{rename}->{$ddest}) {
1587 $ddest = $unified_info{rename}->{$ddest};
1589 foreach (@{$ordinals{$dest}}) {
1590 my %known_ordinals =
1593 cleanfile($sourced, catfile("util", "libcrypto.num"), $blddir),
1595 cleanfile($sourced, catfile("util", "libssl.num"), $blddir)
1597 my $o = $known_ordinals{$_};
1598 die "Ordinals for $ddest defined more than once\n"
1599 if $unified_info{ordinals}->{$ddest};
1600 $unified_info{ordinals}->{$ddest} = [ $_, $o ];
1604 foreach (keys %sources) {
1606 my $ddest = cleanfile($buildd, $_, $blddir);
1607 if ($unified_info{rename}->{$ddest}) {
1608 $ddest = $unified_info{rename}->{$ddest};
1610 foreach (@{$sources{$dest}}) {
1611 my $s = cleanfile($sourced, $_, $blddir);
1613 # If it isn't in the source tree, we assume it's generated
1616 $s = cleanfile($buildd, $_, $blddir);
1618 # We recognise C and asm files
1619 if ($s =~ /\.[csS]\b$/) {
1620 (my $o = $_) =~ s/\.[csS]\b$/.o/;
1621 $o = cleanfile($buildd, $o, $blddir);
1622 $unified_info{sources}->{$ddest}->{$o} = 1;
1623 $unified_info{sources}->{$o}->{$s} = 1;
1625 $unified_info{sources}->{$ddest}->{$s} = 1;
1630 foreach (keys %shared_sources) {
1632 my $ddest = cleanfile($buildd, $_, $blddir);
1633 if ($unified_info{rename}->{$ddest}) {
1634 $ddest = $unified_info{rename}->{$ddest};
1636 foreach (@{$shared_sources{$dest}}) {
1637 my $s = cleanfile($sourced, $_, $blddir);
1639 # If it isn't in the source tree, we assume it's generated
1642 $s = cleanfile($buildd, $_, $blddir);
1644 # We recognise C and asm files
1645 if ($s =~ /\.[csS]\b$/) {
1646 (my $o = $_) =~ s/\.[csS]\b$/.o/;
1647 $o = cleanfile($buildd, $o, $blddir);
1648 $unified_info{shared_sources}->{$ddest}->{$o} = 1;
1649 $unified_info{sources}->{$o}->{$s} = 1;
1651 die "unrecognised source file type for shared library: $s\n";
1656 foreach (keys %generate) {
1658 my $ddest = cleanfile($buildd, $_, $blddir);
1659 if ($unified_info{rename}->{$ddest}) {
1660 $ddest = $unified_info{rename}->{$ddest};
1662 die "more than one generator for $dest: "
1663 ,join(" ", @{$generate{$_}}),"\n"
1664 if scalar @{$generate{$_}} > 1;
1665 my @generator = split /\s+/, $generate{$dest}->[0];
1666 $generator[0] = cleanfile($sourced, $generator[0], $blddir),
1667 $unified_info{generate}->{$ddest} = [ @generator ];
1670 foreach (keys %depends) {
1672 my $ddest = cleanfile($sourced, $_, $blddir);
1674 # If the destination doesn't exist in source, it can only be
1675 # a generated file in the build tree.
1677 $ddest = cleanfile($buildd, $_, $blddir);
1678 if ($unified_info{rename}->{$ddest}) {
1679 $ddest = $unified_info{rename}->{$ddest};
1682 foreach (@{$depends{$dest}}) {
1683 my $d = cleanfile($sourced, $_, $blddir);
1685 # If we know it's generated, or assume it is because we can't
1686 # find it in the source tree, we set file we depend on to be
1687 # in the build tree rather than the source tree, and assume
1688 # and that there are lines to build it in a BEGINRAW..ENDRAW
1689 # section or in the Makefile template.
1691 || (grep { $d eq $_ }
1692 map { cleanfile($srcdir, $_, $blddir) }
1693 (@generated_headers, @generated_by_make_headers))) {
1694 $d = cleanfile($buildd, $_, $blddir);
1696 # Take note if the file to depend on is being renamed
1697 if ($unified_info{rename}->{$d}) {
1698 $d = $unified_info{rename}->{$d};
1700 $unified_info{depends}->{$ddest}->{$d} = 1;
1701 # If we depend on a header file or a perl module, let's make
1702 # sure it can get included
1703 if ($d =~ /\.(h|pm)$/) {
1704 my $i = dirname($d);
1705 push @{$unified_info{includes}->{$ddest}}, $i
1706 unless grep { $_ eq $i } @{$unified_info{includes}->{$ddest}};
1711 foreach (keys %includes) {
1713 my $ddest = cleanfile($sourced, $_, $blddir);
1715 # If the destination doesn't exist in source, it can only be
1716 # a generated file in the build tree.
1718 $ddest = cleanfile($buildd, $_, $blddir);
1719 if ($unified_info{rename}->{$ddest}) {
1720 $ddest = $unified_info{rename}->{$ddest};
1723 foreach (@{$includes{$dest}}) {
1724 my $i = cleandir($sourced, $_, $blddir);
1725 push @{$unified_info{includes}->{$ddest}}, $i
1726 unless grep { $_ eq $i } @{$unified_info{includes}->{$ddest}};
1731 ### Make unified_info a bit more efficient
1732 # One level structures
1733 foreach (("programs", "libraries", "engines", "scripts", "extra", "overrides")) {
1734 $unified_info{$_} = [ sort keys %{$unified_info{$_}} ];
1736 # Two level structures
1737 foreach my $l1 (("sources", "shared_sources", "ldadd", "depends")) {
1738 foreach my $l2 (sort keys %{$unified_info{$l1}}) {
1739 $unified_info{$l1}->{$l2} =
1740 [ sort keys %{$unified_info{$l1}->{$l2}} ];
1745 # For the schemes that need it, we provide the old *_obj configs
1746 # from the *_asm_obj ones
1747 foreach (grep /_(asm|aux)_src$/, keys %target) {
1749 (my $obj = $_) =~ s/_(asm|aux)_src$/_obj/;
1750 ($target{$obj} = $target{$src}) =~ s/\.[csS]\b/.o/g;
1753 # Write down our configuration where it fits #########################
1755 open(OUT,">configdata.pm") || die "unable to create configdata.pm: $!\n";
1763 #use vars qw(\@ISA \@EXPORT);
1764 our \@ISA = qw(Exporter);
1765 our \@EXPORT = qw(\%config \%target \%disabled \%withargs \%unified_info \@disablables);
1768 print OUT "our %config = (\n";
1769 foreach (sort keys %config) {
1770 if (ref($config{$_}) eq "ARRAY") {
1771 print OUT " ", $_, " => [ ", join(", ",
1772 map { quotify("perl", $_) }
1773 @{$config{$_}}), " ],\n";
1775 print OUT " ", $_, " => ", quotify("perl", $config{$_}), ",\n"
1782 print OUT "our %target = (\n";
1783 foreach (sort keys %target) {
1784 if (ref($target{$_}) eq "ARRAY") {
1785 print OUT " ", $_, " => [ ", join(", ",
1786 map { quotify("perl", $_) }
1787 @{$target{$_}}), " ],\n";
1789 print OUT " ", $_, " => ", quotify("perl", $target{$_}), ",\n"
1796 print OUT "our \%available_protocols = (\n";
1797 print OUT " tls => [ ", join(", ", map { quotify("perl", $_) } @tls), " ],\n";
1798 print OUT " dtls => [ ", join(", ", map { quotify("perl", $_) } @dtls), " ],\n";
1803 print OUT "our \@disablables = (\n";
1804 foreach (@disablables) {
1805 print OUT " ", quotify("perl", $_), ",\n";
1811 print OUT "our \%disabled = (\n";
1812 foreach (sort keys %disabled) {
1813 print OUT " ", quotify("perl", $_), " => ", quotify("perl", $disabled{$_}), ",\n";
1819 print OUT "our %withargs = (\n";
1820 foreach (sort keys %withargs) {
1821 if (ref($withargs{$_}) eq "ARRAY") {
1822 print OUT " ", $_, " => [ ", join(", ",
1823 map { quotify("perl", $_) }
1824 @{$withargs{$_}}), " ],\n";
1826 print OUT " ", $_, " => ", quotify("perl", $withargs{$_}), ",\n"
1833 if ($builder eq "unified") {
1838 if (ref $_ eq "ARRAY") {
1839 print OUT " "x$indent, "[\n";
1841 $recurse->($indent + 4, $_);
1843 print OUT " "x$indent, "],\n";
1844 } elsif (ref $_ eq "HASH") {
1846 print OUT " "x$indent, "{\n";
1847 foreach (sort keys %h) {
1848 if (ref $h{$_} eq "") {
1849 print OUT " "x($indent + 4), quotify("perl", $_), " => ", quotify("perl", $h{$_}), ",\n";
1851 print OUT " "x($indent + 4), quotify("perl", $_), " =>\n";
1852 $recurse->($indent + 8, $h{$_});
1855 print OUT " "x$indent, "},\n";
1857 print OUT " "x$indent, quotify("perl", $_), ",\n";
1861 print OUT "our %unified_info = (\n";
1862 foreach (sort keys %unified_info) {
1863 if (ref $unified_info{$_} eq "") {
1864 print OUT " "x4, quotify("perl", $_), " => ", quotify("perl", $unified_info{$_}), ",\n";
1866 print OUT " "x4, quotify("perl", $_), " =>\n";
1867 $recurse->(8, $unified_info{$_});
1879 print "CC =$config{cross_compile_prefix}$target{cc}\n";
1880 print "CFLAG =$target{cflags} $config{cflags}\n";
1881 print "SHARED_CFLAG =$target{shared_cflag}\n";
1882 print "DEFINES =",join(" ", @{$target{defines}}, @{$config{defines}}),"\n";
1883 print "LFLAG =$target{lflags}\n";
1884 print "PLIB_LFLAG =$target{plib_lflags}\n";
1885 print "EX_LIBS =$target{ex_libs} $config{ex_libs}\n";
1886 print "APPS_OBJ =$target{apps_obj}\n";
1887 print "CPUID_OBJ =$target{cpuid_obj}\n";
1888 print "UPLINK_OBJ =$target{uplink_obj}\n";
1889 print "BN_ASM =$target{bn_obj}\n";
1890 print "EC_ASM =$target{ec_obj}\n";
1891 print "DES_ENC =$target{des_obj}\n";
1892 print "AES_ENC =$target{aes_obj}\n";
1893 print "BF_ENC =$target{bf_obj}\n";
1894 print "CAST_ENC =$target{cast_obj}\n";
1895 print "RC4_ENC =$target{rc4_obj}\n";
1896 print "RC5_ENC =$target{rc5_obj}\n";
1897 print "MD5_OBJ_ASM =$target{md5_obj}\n";
1898 print "SHA1_OBJ_ASM =$target{sha1_obj}\n";
1899 print "RMD160_OBJ_ASM=$target{rmd160_obj}\n";
1900 print "CMLL_ENC =$target{cmll_obj}\n";
1901 print "MODES_OBJ =$target{modes_obj}\n";
1902 print "PADLOCK_OBJ =$target{padlock_obj}\n";
1903 print "CHACHA_ENC =$target{chacha_obj}\n";
1904 print "POLY1305_OBJ =$target{poly1305_obj}\n";
1905 print "BLAKE2_OBJ =$target{blake2_obj}\n";
1906 print "PROCESSOR =$config{processor}\n";
1907 print "RANLIB =", $target{ranlib} eq '$(CROSS_COMPILE)ranlib' ?
1908 "$config{cross_compile_prefix}ranlib" :
1909 "$target{ranlib}", "\n";
1910 print "ARFLAGS =$target{arflags}\n";
1911 print "PERL =$config{perl}\n";
1913 print "SIXTY_FOUR_BIT_LONG mode\n" if $config{b64l};
1914 print "SIXTY_FOUR_BIT mode\n" if $config{b64};
1915 print "THIRTY_TWO_BIT mode\n" if $config{b32};
1916 print "BN_LLONG mode\n" if $config{bn_ll};
1917 print "RC4 uses $config{rc4_int}\n" if $config{rc4_int} ne $def_int;
1919 for (@generated_headers) {
1920 mkpath(catdir($blddir, dirname($_)));
1921 run_dofile(catfile($blddir, $_),
1922 catfile($srcdir, $_.".in"));
1926 ### When the old "unixmake" scheme goes away, so does this function
1928 sub build_Makefile {
1929 run_dofile("Makefile","Makefile.in");
1931 # Copy all Makefile.in to Makefile (except top-level)
1940 return if ($_ ne "Makefile.in" || $File::Find::dir eq ".");
1941 my $in = IO::File->new($_, "r") or
1942 die sprintf "Error reading Makefile.in in %s: !$\n",
1944 my $out = IO::File->new("Makefile", "w") or
1945 die sprintf "Error writing Makefile in %s: !$\n",
1947 print $out "# Generated from $_, do not edit\n";
1948 while (my $line = <$in>) { print $out $line }
1950 die sprintf "Error reading Makefile.in in %s: !$\n",
1953 die sprintf "Error writing Makefile in %s: !$\n",
1962 run_dofile(catfile($blddir, $target{build_file}),
1963 $config{build_file_template},
1964 catfile($srcdir, "Configurations", "common.tmpl"));
1969 run_dofile("util/domd", "util/domd.in");
1970 chmod 0755, "util/domd";
1974 $builders{$builder}->($builder_platform, @builder_opts);
1978 Configured for $target.
1981 print <<"EOF" if ($disabled{threads} eq "unavailable");
1983 The library could not be configured for supporting multi-threaded
1984 applications as the compiler options required on this system are not known.
1985 See file INSTALL for details if you need multi-threading.
1988 print <<"EOF" if ($no_shared_warn);
1990 The options 'shared', 'pic' and 'dynamic-engine' aren't supported on this
1991 platform, so we will pretend you gave the option 'no-pic', which also disables
1992 'shared' and 'dynamic-engine'. If you know how to implement shared libraries
1993 or position independent code, please let us know (but please first make sure
1994 you have tried with a current version of OpenSSL).
1997 print <<"EOF" if (-f catfile($srcdir, "configdata.pm") && $srcdir ne $blddir);
1999 WARNING: there are indications that another build was made in the source
2000 directory. This build may have picked up artifacts from that build, the
2001 safest course of action is to clean the source directory and redo this
2007 ######################################################################
2009 # Helpers and utility functions
2012 # Configuration file reading #########################################
2014 # Note: All of the helper functions are for lazy evaluation. They all
2015 # return a CODE ref, which will return the intended value when evaluated.
2016 # Thus, whenever there's mention of a returned value, it's about that
2019 # Helper function to implement conditional inheritance depending on the
2020 # value of $disabled{asm}. Used in inherit_from values as follows:
2022 # inherit_from => [ "template", asm("asm_tmpl") ]
2027 $disabled{asm} ? () : @x;
2031 # Helper function to implement conditional value variants, with a default
2032 # plus additional values based on the value of $config{build_type}.
2033 # Arguments are given in hash table form:
2035 # picker(default => "Basic string: ",
2037 # release => "release")
2039 # When configuring with --debug, the resulting string will be
2040 # "Basic string: debug", and when not, it will be "Basic string: release"
2042 # This can be used to create variants of sets of flags according to the
2045 # cflags => picker(default => "-Wall",
2046 # debug => "-g -O0",
2051 return sub { add($opts{default} || (),
2052 $opts{$config{build_type}} || ())->(); }
2055 # Helper function to combine several values of different types into one.
2056 # This is useful if you want to combine a string with the result of a
2057 # lazy function, such as:
2059 # cflags => combine("-Wall", sub { $disabled{zlib} ? () : "-DZLIB" })
2063 return sub { add(@stuff)->(); }
2066 # Helper function to implement conditional values depending on the value
2067 # of $disabled{threads}. Can be used as follows:
2069 # cflags => combine("-Wall", threads("-pthread"))
2073 return sub { add($disabled{threads} ? () : @flags)->(); }
2078 our $add_called = 0;
2079 # Helper function to implement adding values to already existing configuration
2080 # values. It handles elements that are ARRAYs, CODEs and scalars
2082 my $separator = shift;
2084 # If there's any ARRAY in the collection of values OR the separator
2085 # is undef, we will return an ARRAY of combined values, otherwise a
2086 # string of joined values with $separator as the separator.
2087 my $found_array = !defined($separator);
2092 while (ref($res) eq "CODE") {
2095 if (defined($res)) {
2096 if (ref($res) eq "ARRAY") {
2112 join($separator, grep { defined($_) && $_ ne "" } @values);
2116 my $separator = " ";
2117 if (ref($_[$#_]) eq "HASH") {
2119 $separator = $opts->{separator};
2122 sub { _add($separator, @x, @_) };
2125 my $separator = " ";
2126 if (ref($_[$#_]) eq "HASH") {
2128 $separator = $opts->{separator};
2131 sub { _add($separator, @_, @x) };
2134 # configuration reader, evaluates the input file as a perl script and expects
2135 # it to fill %targets with target configurations. Those are then added to
2139 open(CONFFILE, "< $fname")
2140 or die "Can't open configuration file '$fname'!\n";
2143 my $content = <CONFFILE>;
2148 local %table = %::table; # Protect %table from tampering
2154 # For each target, check that it's configured with a hash table.
2155 foreach (keys %targets) {
2156 if (ref($targets{$_}) ne "HASH") {
2157 if (ref($targets{$_}) eq "") {
2158 warn "Deprecated target configuration for $_, ignoring...\n";
2160 warn "Misconfigured target configuration for $_ (should be a hash table), ignoring...\n";
2162 delete $targets{$_};
2166 %table = (%table, %targets);
2170 # configuration resolver. Will only resolve all the lazy evaluation
2171 # codeblocks for the chosen target and all those it inherits from,
2173 sub resolve_config {
2175 my @breadcrumbs = @_;
2177 # my $extra_checks = defined($ENV{CONFIGURE_EXTRA_CHECKS});
2179 if (grep { $_ eq $target } @breadcrumbs) {
2180 die "inherit_from loop! target backtrace:\n "
2181 ,$target,"\n ",join("\n ", @breadcrumbs),"\n";
2184 if (!defined($table{$target})) {
2185 warn "Warning! target $target doesn't exist!\n";
2188 # Recurse through all inheritances. They will be resolved on the
2189 # fly, so when this operation is done, they will all just be a
2190 # bunch of attributes with string values.
2191 # What we get here, though, are keys with references to lists of
2192 # the combined values of them all. We will deal with lists after
2193 # this stage is done.
2194 my %combined_inheritance = ();
2195 if ($table{$target}->{inherit_from}) {
2197 map { ref($_) eq "CODE" ? $_->() : $_ } @{$table{$target}->{inherit_from}};
2198 foreach (@inherit_from) {
2199 my %inherited_config = resolve_config($_, $target, @breadcrumbs);
2201 # 'template' is a marker that's considered private to
2202 # the config that had it.
2203 delete $inherited_config{template};
2205 foreach (keys %inherited_config) {
2206 if (!$combined_inheritance{$_}) {
2207 $combined_inheritance{$_} = [];
2209 push @{$combined_inheritance{$_}}, $inherited_config{$_};
2214 # We won't need inherit_from in this target any more, since we've
2215 # resolved all the inheritances that lead to this
2216 delete $table{$target}->{inherit_from};
2218 # Now is the time to deal with those lists. Here's the place to
2219 # decide what shall be done with those lists, all based on the
2220 # values of the target we're currently dealing with.
2221 # - If a value is a coderef, it will be executed with the list of
2222 # inherited values as arguments.
2223 # - If the corresponding key doesn't have a value at all or is the
2224 # empty string, the inherited value list will be run through the
2225 # default combiner (below), and the result becomes this target's
2227 # - Otherwise, this target's value is assumed to be a string that
2228 # will simply override the inherited list of values.
2229 my $default_combiner = add();
2232 map { $_ => 1 } (keys %combined_inheritance,
2233 keys %{$table{$target}});
2235 sub process_values {
2237 my $inherited = shift; # Always a [ list ]
2243 while(ref($object) eq "CODE") {
2244 $object = $object->(@$inherited);
2246 if (!defined($object)) {
2249 elsif (ref($object) eq "ARRAY") {
2250 local $add_called; # To make sure recursive calls don't affect it
2251 return [ map { process_values($_, $inherited, $target, $entry) }
2253 } elsif (ref($object) eq "") {
2256 die "cannot handle reference type ",ref($object)
2257 ," found in target ",$target," -> ",$entry,"\n";
2261 foreach (sort keys %all_keys) {
2262 my $previous = $combined_inheritance{$_};
2264 # Current target doesn't have a value for the current key?
2265 # Assign it the default combiner, the rest of this loop body
2266 # will handle it just like any other coderef.
2267 if (!exists $table{$target}->{$_}) {
2268 $table{$target}->{$_} = $default_combiner;
2271 $table{$target}->{$_} = process_values($table{$target}->{$_},
2272 $combined_inheritance{$_},
2274 unless(defined($table{$target}->{$_})) {
2275 delete $table{$target}->{$_};
2277 # if ($extra_checks &&
2278 # $previous && !($add_called || $previous ~~ $table{$target}->{$_})) {
2279 # warn "$_ got replaced in $target\n";
2283 # Finally done, return the result.
2284 return %{$table{$target}};
2289 print STDERR $usage;
2290 print STDERR "\npick os/compiler from:\n";
2294 foreach $i (sort keys %table)
2296 next if $table{$i}->{template};
2297 next if $i =~ /^debug/;
2298 $k += length($i) + 1;
2304 print STDERR $i . " ";
2306 foreach $i (sort keys %table)
2308 next if $table{$i}->{template};
2309 next if $i !~ /^debug/;
2310 $k += length($i) + 1;
2316 print STDERR $i . " ";
2318 print STDERR "\n\nNOTE: If in doubt, on Unix-ish systems use './config'.\n";
2327 unlink $out || warn "Can't remove $out, $!"
2329 foreach (@templates) {
2330 die "Can't open $_, $!" unless -f $_;
2332 my $cmd = "$config{perl} \"-I.\" \"-Mconfigdata\" $dofile -o\"Configure\" \"".join("\" \"",@templates)."\" > \"$out.new\"";
2333 #print STDERR "DEBUG[run_dofile]: \$cmd = $cmd\n";
2336 rename("$out.new", $out) || die "Can't rename $out.new, $!";
2339 # Configuration printer ##############################################
2341 sub print_table_entry
2344 my %target = resolve_config($target);
2347 # Don't print the templates
2348 return if $target{template};
2385 "shared_extension_simple",
2386 "shared_import_extension",
2397 if ($type eq "TABLE") {
2399 print "*** $target\n";
2400 foreach (@sequence) {
2401 if (ref($target{$_}) eq "ARRAY") {
2402 printf "\$%-12s = %s\n", $_, join(" ", @{$target{$_}});
2404 printf "\$%-12s = %s\n", $_, $target{$_};
2407 } elsif ($type eq "HASH") {
2409 length((sort { length($a) <=> length($b) } @sequence)[-1]);
2410 print " '$target' => {\n";
2411 foreach (@sequence) {
2413 if (ref($target{$_}) eq "ARRAY") {
2414 print " '",$_,"'"," " x ($largest - length($_))," => [ ",join(", ", map { "'$_'" } @{$target{$_}})," ],\n";
2416 print " '",$_,"'"," " x ($largest - length($_))," => '",$target{$_},"',\n";
2424 # Utility routines ###################################################
2426 # On VMS, if the given file is a logical name, File::Spec::Functions
2427 # will consider it an absolute path. There are cases when we want a
2428 # purely syntactic check without checking the environment.
2432 # On non-platforms, we just use file_name_is_absolute().
2433 return file_name_is_absolute($file) unless $^O eq "VMS";
2435 # If the file spec includes a device or a directpry spec,
2436 # file_name_is_absolute() is perfectly safe.
2437 return file_name_is_absolute($file) if $file =~ m|[:\[]|;
2439 # Here, we know the given file spec isn't absolute
2443 # Makes a directory absolute and cleans out /../ in paths like foo/../bar
2444 # On some platforms, this uses rel2abs(), while on others, realpath() is used.
2445 # realpath() requires that at least all path components except the last is an
2446 # existing directory. On VMS, the last component of the directory spec must
2451 # realpath() is quite buggy on VMS. It uses LIB$FID_TO_NAME, which
2452 # will return the volume name for the device, no matter what. Also,
2453 # it will return an incorrect directory spec if the argument is a
2454 # directory that doesn't exist.
2456 return rel2abs($dir);
2459 # We use realpath() on Unix, since no other will properly clean out
2461 use Cwd qw/realpath/;
2463 return realpath($dir);
2468 perl => sub { my $x = shift;
2469 $x =~ s/([\\\$\@"])/\\$1/g;
2470 return '"'.$x.'"'; },
2474 defined($processors{$for}) ? $processors{$for} : sub { shift; };
2476 return map { $processor->($_); } @_;
2479 # collect_from_file($filename, $line_concat_cond_re, $line_concat)
2480 # $filename is a file name to read from
2481 # $line_concat_cond_re is a regexp detecting a line continuation ending
2482 # $line_concat is a CODEref that takes care of concatenating two lines
2483 sub collect_from_file {
2484 my $filename = shift;
2485 my $line_concat_cond_re = shift;
2486 my $line_concat = shift;
2488 open my $fh, $filename || die "unable to read $filename: $!\n";
2490 my $saved_line = "";
2494 if (defined $line_concat) {
2495 $_ = $line_concat->($saved_line, $_);
2498 if (defined $line_concat_cond_re && /$line_concat_cond_re/) {
2504 die "$filename ending with continuation line\n" if $_;
2510 # collect_from_array($array, $line_concat_cond_re, $line_concat)
2511 # $array is an ARRAYref of lines
2512 # $line_concat_cond_re is a regexp detecting a line continuation ending
2513 # $line_concat is a CODEref that takes care of concatenating two lines
2514 sub collect_from_array {
2516 my $line_concat_cond_re = shift;
2517 my $line_concat = shift;
2518 my @array = (@$array);
2521 my $saved_line = "";
2523 while (defined($_ = shift @array)) {
2525 if (defined $line_concat) {
2526 $_ = $line_concat->($saved_line, $_);
2529 if (defined $line_concat_cond_re && /$line_concat_cond_re/) {
2535 die "input text ending with continuation line\n" if $_;
2540 # collect_information($lineiterator, $line_continue, $regexp => $CODEref, ...)
2541 # $lineiterator is a CODEref that delivers one line at a time.
2542 # All following arguments are regex/CODEref pairs, where the regexp detects a
2543 # line and the CODEref does something with the result of the regexp.
2544 sub collect_information {
2545 my $lineiterator = shift;
2546 my %collectors = @_;
2548 while(defined($_ = $lineiterator->())) {
2551 if ($collectors{"BEFORE"}) {
2552 $collectors{"BEFORE"}->($_);
2554 foreach my $re (keys %collectors) {
2555 if ($re !~ /^OTHERWISE|BEFORE|AFTER$/ && /$re/) {
2556 $collectors{$re}->($lineiterator);
2560 if ($collectors{"OTHERWISE"}) {
2561 $collectors{"OTHERWISE"}->($lineiterator, $_)
2562 unless $found || !defined $collectors{"OTHERWISE"};
2564 if ($collectors{"AFTER"}) {
2565 $collectors{"AFTER"}->($_);