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/;
18 # see INSTALL for instructions.
20 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";
24 # --config add the given configuration file, which will be read after
25 # any "Configurations*" files that are found in the same
26 # directory as this script.
27 # --prefix prefix for the OpenSSL installation, which includes the
28 # directories bin, lib, include, share/man, share/doc/openssl
29 # This becomes the value of INSTALLTOP in Makefile
30 # (Default: /usr/local)
31 # --openssldir OpenSSL data area, such as openssl.cnf, certificates and keys.
32 # If it's a relative directory, it will be added on the directory
33 # given with --prefix.
34 # This becomes the value of OPENSSLDIR in Makefile and in C.
35 # (Default: PREFIX/ssl)
37 # --cross-compile-prefix Add specified prefix to binutils components.
39 # --api One of 0.9.8, 1.0.0 or 1.1.0. Do not compile support for
40 # interfaces deprecated as of the specified OpenSSL version.
42 # no-hw-xxx do not compile support for specific crypto hardware.
43 # Generic OpenSSL-style methods relating to this support
44 # are always compiled but return NULL if the hardware
45 # support isn't compiled.
46 # no-hw do not compile support for any crypto hardware.
47 # [no-]threads [don't] try to create a library that is suitable for
48 # multithreaded applications (default is "threads" if we
50 # [no-]shared [don't] try to create shared libraries when supported.
51 # [no-]pic [don't] try to build position independent code when supported.
52 # If disabled, it also disables shared and dynamic-engine.
53 # no-asm do not use assembler
54 # no-dso do not compile in any native shared-library methods. This
55 # will ensure that all methods just return NULL.
56 # no-egd do not compile support for the entropy-gathering daemon APIs
57 # [no-]zlib [don't] compile support for zlib compression.
58 # zlib-dynamic Like "zlib", but the zlib library is expected to be a shared
59 # library and will be loaded in run-time by the OpenSSL library.
60 # sctp include SCTP support
61 # 386 generate 80386 code
62 # enable-weak-ssl-ciphers
63 # Enable weak ciphers that are disabled by default. This currently
64 # only includes RC4 based ciphers.
65 # no-sse2 disables IA-32 SSE2 code, above option implies no-sse2
66 # no-<cipher> build without specified algorithm (rsa, idea, rc5, ...)
67 # -<xxx> +<xxx> compiler options are passed through
69 # DEBUG_SAFESTACK use type-safe stacks to enforce type-safety on stack items
70 # provided to stack calls. Generates unique stack functions for
71 # each possible stack type.
72 # BN_LLONG use the type 'long long' in crypto/bn/bn.h
73 # RC4_CHAR use 'char' instead of 'int' for RC4_INT in crypto/rc4/rc4.h
74 # Following are set automatically by this script
76 # MD5_ASM use some extra md5 assember,
77 # SHA1_ASM use some extra sha1 assember, must define L_ENDIAN for x86
78 # RMD160_ASM use some extra ripemd160 assember,
79 # SHA256_ASM sha256_block is implemented in assembler
80 # SHA512_ASM sha512_block is implemented in assembler
81 # AES_ASM ASE_[en|de]crypt is implemented in assembler
83 # Minimum warning options... any contributions to OpenSSL should at least get
86 # DEBUG_UNUSED enables __owur (warn unused result) checks.
87 my $gcc_devteam_warn = "-DDEBUG_UNUSED"
88 # -DPEDANTIC complements -pedantic and is meant to mask code that
89 # is not strictly standard-compliant and/or implementation-specifc,
90 # e.g. inline assembly, disregards to alignment requirements, such
91 # that -pedantic would complain about. Incidentally -DPEDANTIC has
92 # to be used even in sanitized builds, because sanitizer too is
93 # supposed to and does take notice of non-standard behaviour. Then
94 # -pedantic with pre-C9x compiler would also complain about 'long
95 # long' not being supported. As 64-bit algorithms are common now,
96 # it grew impossible to resolve this without sizeable additional
97 # code, so we just tell compiler to be pedantic about everything
98 # but 'long long' type.
99 . " -DPEDANTIC -pedantic -Wno-long-long"
102 . " -Wmissing-prototypes"
109 # These are used in addition to $gcc_devteam_warn when the compiler is clang.
110 # TODO(openssl-team): fix problems and investigate if (at least) the
111 # following warnings can also be enabled:
115 # -Wlanguage-extension-token -- no, we use asm()
116 # -Wunused-macros -- no, too tricky for BN and _XOPEN_SOURCE etc
117 # -Wextended-offsetof -- no, needed in CMS ASN1 code
118 my $clang_devteam_warn = ""
119 . " -Qunused-arguments"
121 . " -Wno-unused-parameter"
122 . " -Wno-missing-field-initializers"
123 . " -Wno-language-extension-token"
124 . " -Wno-extended-offsetof"
125 . " -Wconditional-uninitialized"
126 . " -Wincompatible-pointer-types-discards-qualifiers"
127 . " -Wmissing-variable-declarations"
130 # This adds backtrace information to the memory leak info. Is only used
131 # when crypto-mdebug-backtrace is enabled.
132 my $memleak_devteam_backtrace = "-rdynamic";
134 my $strict_warnings = 0;
136 # As for $BSDthreads. Idea is to maintain "collective" set of flags,
137 # which would cover all BSD flavors. -pthread applies to them all,
138 # but is treated differently. OpenBSD expands is as -D_POSIX_THREAD
139 # -lc_r, which is sufficient. FreeBSD 4.x expands it as -lc_r,
140 # which has to be accompanied by explicit -D_THREAD_SAFE and
141 # sometimes -D_REENTRANT. FreeBSD 5.x expands it as -lc_r, which
142 # seems to be sufficient?
143 our $BSDthreads="-pthread -D_THREAD_SAFE -D_REENTRANT";
146 # API compability name to version number mapping.
148 my $maxapi = "1.1.0"; # API for "no-deprecated" builds
150 "1.1.0" => "0x10100000L",
151 "1.0.0" => "0x10000000L",
152 "0.9.8" => "0x00908000L",
159 # Forward declarations ###############################################
161 # read_config(filename)
163 # Reads a configuration file and populates %table with the contents
164 # (which the configuration file places in %targets).
167 # resolve_config(target)
169 # Resolves all the late evalutations, inheritances and so on for the
170 # chosen target and any target it inherits from.
174 # Information collection #############################################
176 # Unified build supports separate build dir
177 my $srcdir = catdir(absolutedir(dirname($0))); # catdir ensures local syntax
178 my $blddir = catdir(absolutedir(".")); # catdir ensures local syntax
179 my $dofile = abs2rel(catfile($srcdir, "util/dofile.pl"));
181 $config{sourcedir} = abs2rel($srcdir);
182 $config{builddir} = abs2rel($blddir);
184 # Collect version numbers
185 $config{version} = "unknown";
186 $config{version_num} = "unknown";
187 $config{shlib_version_number} = "unknown";
188 $config{shlib_version_history} = "unknown";
191 collect_from_file(catfile($srcdir,'include/openssl/opensslv.h')),
192 qr/OPENSSL.VERSION.TEXT.*OpenSSL (\S+) / => sub { $config{version} = $1; },
193 qr/OPENSSL.VERSION.NUMBER.*(0x\S+)/ => sub { $config{version_num}=$1 },
194 qr/SHLIB_VERSION_NUMBER *"([^"]+)"/ => sub { $config{shlib_version_number}=$1 },
195 qr/SHLIB_VERSION_HISTORY *"([^"]*)"/ => sub { $config{shlib_version_history}=$1 }
197 if ($config{shlib_version_history} ne "") { $config{shlib_version_history} .= ":"; }
199 ($config{major}, $config{minor})
200 = ($config{version} =~ /^([0-9]+)\.([0-9\.]+)/);
201 ($config{shlib_major}, $config{shlib_minor})
202 = ($config{shlib_version_number} =~ /^([0-9]+)\.([0-9\.]+)/);
203 die "erroneous version information in opensslv.h: ",
204 "$config{major}, $config{minor}, $config{shlib_major}, $config{shlib_minor}\n"
205 if ($config{major} eq "" || $config{minor} eq ""
206 || $config{shlib_major} eq "" || $config{shlib_minor} eq "");
208 # Collect target configurations
210 my $pattern = catfile(dirname($0), "Configurations", "*.conf");
211 foreach (sort glob($pattern) ) {
216 print "Configuring OpenSSL version $config{version} (0x$config{version_num})\n";
219 $config{openssldir}="";
220 $config{processor}="";
222 $config{cross_compile_prefix}="";
223 $config{fipslibdir}="/usr/local/ssl/fips-2.0/lib/";
224 my $nofipscanistercheck=0;
225 $config{baseaddr}="0xFB00000";
226 my $auto_threads=1; # enable threads automatically? true by default
230 # Top level directories to build
231 $config{dirs} = [ "crypto", "ssl", "engines", "apps", "test", "tools" ];
232 # crypto/ subdirectories to build
235 "md2", "md4", "md5", "sha", "mdc2", "hmac", "ripemd", "whrlpool", "poly1305", "blake2",
236 "des", "aes", "rc2", "rc4", "rc5", "idea", "bf", "cast", "camellia", "seed", "chacha", "modes",
237 "bn", "ec", "rsa", "dsa", "dh", "dso", "engine",
238 "buffer", "bio", "stack", "lhash", "rand", "err",
239 "evp", "asn1", "pem", "x509", "x509v3", "conf", "txt_db", "pkcs7", "pkcs12", "comp", "ocsp", "ui",
240 "cms", "ts", "srp", "cmac", "ct", "async", "kdf"
243 # Known TLS and DTLS protocols
244 my @tls = qw(ssl3 tls1 tls1_1 tls1_2);
245 my @dtls = qw(dtls1 dtls1_2);
247 # Explicitelly known options that are possible to disable. They can
248 # be regexps, and will be used like this: /^no-${option}$/
249 # For developers: keep it sorted alphabetically
267 "crypto-mdebug-backtrace",
281 "ec_nistp_64_gcc_128",
332 foreach my $proto ((@tls, @dtls))
334 push(@disablables, $proto);
335 push(@disablables, "$proto-method");
338 my @deprecated_disablables = (
342 # All of the following is disabled by default (RC5 was enabled before 0.9.8):
344 our %disabled = ( # "what" => "comment"
345 "ec_nistp_64_gcc_128" => "default",
350 "ssl-trace" => "default",
352 "ssl3-method" => "default",
353 "unit-test" => "default",
354 "weak-ssl-ciphers" => "default",
356 "zlib-dynamic" => "default",
357 "crypto-mdebug" => "default",
358 "heartbeats" => "default",
361 # Note: => pair form used for aesthetics, not to truly make a hash table
362 my @disable_cascades = (
363 # "what" => [ "cascade", ... ]
364 sub { $config{processor} eq "386" }
367 "ssl3-method" => [ "ssl3" ],
368 "zlib" => [ "zlib-dynamic" ],
370 "ec" => [ "ecdsa", "ecdh" ],
372 "dgram" => [ "dtls", "sctp" ],
373 "sock" => [ "dgram" ],
376 # SSL 3.0, (D)TLS 1.0 and TLS 1.1 require MD5 and SHA
377 "md5" => [ "ssl", "tls1", "tls1_1", "dtls1" ],
378 "sha" => [ "ssl", "tls1", "tls1_1", "dtls1" ],
380 # Additionally, SSL 3.0 requires either RSA or DSA+DH
382 && ($disabled{dsa} || $disabled{dh}); }
385 # (D)TLS 1.0 and TLS 1.1 also require either RSA or DSA+DH
386 # or ECDSA + ECDH. (D)TLS 1.2 has this requirement as well.
387 # (XXX: We don't support PSK-only builds).
389 && ($disabled{dsa} || $disabled{dh})
390 && ($disabled{ecdsa} || $disabled{ecdh}); }
391 => [ "tls1", "tls1_1", "tls1_2",
392 "dtls1", "dtls1_2" ],
396 # SRP and HEARTBEATS require TLSEXT
397 "tlsext" => [ "srp", "heartbeats" ],
399 "crypto-mdebug" => [ "crypto-mdebug-backtrace" ],
401 # Without DSO, we can't load dynamic engines, so don't build them dynamic
402 "dso" => [ "dynamic-engine" ],
404 # Without position independent code, there can be no shared libraries or DSOs
405 "pic" => [ "shared" ],
406 "shared" => [ "dynamic-engine" ],
407 "engine" => [ "afalgeng" ],
409 # no-autoalginit is only useful when building non-shared
410 "autoalginit" => [ "shared", "apps" ],
412 "stdio" => [ "apps" ],
413 "apps" => [ "tests" ],
414 "comp" => [ "zlib" ],
415 sub { !$disabled{"unit-test"} } => [ "heartbeats" ],
418 # Avoid protocol support holes. Also disable all versions below N, if version
419 # N is disabled while N+1 is enabled.
421 my @list = (reverse @tls);
422 while ((my $first, my $second) = (shift @list, shift @list)) {
424 push @disable_cascades, ( sub { !$disabled{$first} && $disabled{$second} }
426 unshift @list, $second;
428 my @list = (reverse @dtls);
429 while ((my $first, my $second) = (shift @list, shift @list)) {
431 push @disable_cascades, ( sub { !$disabled{$first} && $disabled{$second} }
433 unshift @list, $second;
436 # Explicit "no-..." options will be collected in %disabled along with the defaults.
437 # To remove something from %disabled, use "enable-foo".
438 # For symmetry, "disable-foo" is a synonym for "no-foo".
440 my @generated_headers = (
441 "include/openssl/opensslconf.h",
442 "crypto/include/internal/bn_conf.h",
443 "crypto/include/internal/dso_conf.h"
446 my @generated_by_make_headers = (
453 &usage if ($#ARGV < 0);
457 $config{openssl_api_defines}=[];
458 $config{openssl_algorithm_defines}=[];
459 $config{openssl_thread_defines}=[];
460 $config{openssl_sys_defines}=[];
461 $config{openssl_other_defines}=[];
465 $config{build_type} = "release";
469 if (grep /^reconf(igure)?$/, @argvcopy) {
470 if (-f "./configdata.pm") {
471 my $file = "./configdata.pm";
472 unless (my $return = do $file) {
473 die "couldn't parse $file: $@" if $@;
474 die "couldn't do $file: $!" unless defined $return;
475 die "couldn't run $file" unless $return;
478 @argvcopy = defined($configdata::config{perlargv}) ?
479 @{$configdata::config{perlargv}} : ();
480 die "Incorrect data to reconfigure, please do a normal configuration\n"
481 if (grep(/^reconf/,@argvcopy));
482 $ENV{CROSS_COMPILE} = $configdata::config{cross_compile_prefix}
483 if defined($configdata::config{cross_compile_prefix});
484 $ENV{CROSS_COMPILE} = $configdata::config{cc}
485 if defined($configdata::config{cc});
487 print "Reconfiguring with: ", join(" ",@argvcopy), "\n";
488 print " CROSS_COMPILE = ",$ENV{CROSS_COMPILE},"\n"
489 if $ENV{CROSS_COMPILE};
490 print " CC = ",$ENV{CC},"\n" if $ENV{CC};
491 } elsif (open IN, "<Makefile") {
493 # THIS SECTION IS TEMPORARY, it helps transitioning from Makefile
494 # centered information gathering the reading configdata.pm
498 if (/^CONFIGURE_ARGS=\s*(.*)\s*/) {
499 # Older form, we split the string and hope for the best
500 @argvcopy = split /\s+/, $_;
501 die "Incorrect data to reconfigure, please do a normal configuration\n"
502 if (grep(/^reconf/,@argvcopy));
503 } elsif (/^CROSS_COMPILE=\s*(.*)/) {
504 $ENV{CROSS_COMPILE}=$1;
505 } elsif (/^CC=\s*(?:\$\(CROSS_COMPILE\))?(.*?)$/) {
510 # END OF TEMPORARY SECTION
513 die "Insufficient data to reconfigure, please do a normal configuration\n";
517 $config{perlargv} = [ @argvcopy ];
519 my %unsupported_options = ();
520 my %deprecated_options = ();
523 # VMS is a case insensitive environment, and depending on settings
524 # out of our control, we may receive options uppercased. Let's
525 # downcase at least the part before any equal sign.
530 s /^-no-/no-/; # some people just can't read the instructions
532 # rewrite some options in "enable-..." form
533 s /^-?-?shared$/enable-shared/;
534 s /^sctp$/enable-sctp/;
535 s /^threads$/enable-threads/;
536 s /^zlib$/enable-zlib/;
537 s /^zlib-dynamic$/enable-zlib-dynamic/;
539 if (/^(no|disable|enable)-(.+)$/)
542 if (grep { $word =~ /^${_}$/ } @deprecated_disablables)
544 $deprecated_options{$_} = 1;
547 elsif (!grep { $word =~ /^${_}$/ } @disablables)
549 $unsupported_options{$_} = 1;
553 if (/^no-(.+)$/ || /^disable-(.+)$/)
555 foreach my $proto ((@tls, @dtls))
557 if ($1 eq "$proto-method")
559 $disabled{"$proto"} = "option($proto-method)";
565 foreach my $proto (@dtls)
567 $disabled{$proto} = "option(dtls)";
569 $disabled{"dtls"} = "option(dtls)";
573 # Last one of its kind
574 $disabled{"ssl3"} = "option(ssl)";
578 # XXX: Tests will fail if all SSL/TLS
579 # protocols are disabled.
580 foreach my $proto (@tls)
582 $disabled{$proto} = "option(tls)";
585 elsif ($1 eq "static-engine")
587 delete $disabled{"dynamic-engine"};
589 elsif ($1 eq "dynamic-engine")
591 $disabled{"dynamic-engine"} = "option";
595 $disabled{$1} = "option";
597 # No longer an automatic choice
598 $auto_threads = 0 if ($1 eq "threads");
600 elsif (/^enable-(.+)$/)
602 if ($1 eq "static-engine")
604 $disabled{"dynamic-engine"} = "option";
606 elsif ($1 eq "dynamic-engine")
608 delete $disabled{"dynamic-engine"};
610 elsif ($1 eq "zlib-dynamic")
612 delete $disabled{"zlib"};
615 delete $disabled{$algo};
617 # No longer an automatic choice
618 $auto_threads = 0 if ($1 eq "threads");
620 elsif (/^--strict-warnings$/)
622 $strict_warnings = 1;
626 $config{build_type} = "debug";
628 elsif (/^--release$/)
630 $config{build_type} = "release";
633 { $config{processor}=386; }
640 # No RSAref support any more since it's not needed.
641 # The check for the option is there so scripts aren't
644 elsif (/^nofipscanistercheck$/)
647 $nofipscanistercheck = 1;
651 if (/^--prefix=(.*)$/)
654 die "Directory given with --prefix MUST be absolute\n"
655 unless file_name_is_absolute($config{prefix});
657 elsif (/^--api=(.*)$/)
661 elsif (/^--libdir=(.*)$/)
665 elsif (/^--openssldir=(.*)$/)
667 $config{openssldir}=$1;
669 elsif (/^--with-zlib-lib=(.*)$/)
671 $withargs{zlib_lib}=$1;
673 elsif (/^--with-zlib-include=(.*)$/)
675 $withargs{zlib_include}=$1;
677 elsif (/^--with-fipslibdir=(.*)$/)
679 $config{fipslibdir}="$1/";
681 elsif (/^--with-baseaddr=(.*)$/)
683 $config{baseaddr}="$1";
685 elsif (/^--cross-compile-prefix=(.*)$/)
687 $config{cross_compile_prefix}=$1;
689 elsif (/^--config=(.*)$/)
693 elsif (/^-[lL](.*)$/ or /^-Wl,/)
699 push @user_defines, $1;
701 else # common if (/^[-+]/), just pass down...
703 $_ =~ s/%([0-9a-f]{1,2})/chr(hex($1))/gei;
704 $user_cflags.=" ".$_;
709 die "target already defined - $target (offending arg: $_)\n" if ($target ne "");
712 unless ($_ eq $target || /^no-/ || /^disable-/)
714 # "no-..." follows later after implied disactivations
715 # have been derived. (Don't take this too seroiusly,
716 # we really only write OPTIONS to the Makefile out of
719 if ($config{options} eq "")
720 { $config{options} = $_; }
722 { $config{options} .= " ".$_; }
725 if (defined($config{api}) && !exists $apitable->{$config{api}}) {
726 die "***** Unsupported api compatibility level: $config{api}\n",
729 if (keys %deprecated_options)
731 warn "***** Deprecated options: ",
732 join(", ", keys %deprecated_options), "\n";
734 if (keys %unsupported_options)
736 die "***** Unsupported options: ",
737 join(", ", keys %unsupported_options), "\n";
743 delete $disabled{"shared"} if ($disabled{"shared"} =~ /^default/);
747 @{$config{dirs}} = grep !/^fips$/, @{$config{dirs}};
750 my @tocheckfor = (keys %disabled);
751 while (@tocheckfor) {
752 my %new_tocheckfor = ();
753 my @cascade_copy = (@disable_cascades);
754 while (@cascade_copy) {
755 my ($test, $descendents) = (shift @cascade_copy, shift @cascade_copy);
756 if (ref($test) eq "CODE" ? $test->() : defined($disabled{$test})) {
757 foreach(grep { !defined($disabled{$_}) } @$descendents) {
758 $new_tocheckfor{$_} = 1; $disabled{$_} = "forced";
762 @tocheckfor = (keys %new_tocheckfor);
765 if ($target eq "TABLE") {
766 foreach (sort keys %table) {
767 print_table_entry($_, "TABLE");
772 if ($target eq "LIST") {
773 foreach (sort keys %table) {
774 print $_,"\n" unless $table{$_}->{template};
779 if ($target eq "HASH") {
780 print "%table = (\n";
781 foreach (sort keys %table) {
782 print_table_entry($_, "HASH");
787 # Backward compatibility?
788 if ($target =~ m/^CygWin32(-.*)$/) {
789 $target = "Cygwin".$1;
792 foreach (sort (keys %disabled))
794 $config{options} .= " no-$_";
796 printf " no-%-12s %-10s", $_, "[$disabled{$_}]";
808 elsif (/^dynamic-engine$/)
810 elsif (/^makedepend$/)
812 elsif (/^zlib-dynamic$/)
818 @{$config{dirs}} = grep !/^engines$/, @{$config{dirs}};
819 @{$config{sdirs}} = grep !/^engine$/, @{$config{sdirs}};
820 push @{$config{openssl_other_defines}}, "OPENSSL_NO_ENGINE";
825 ($ALGO = $algo = $_) =~ tr/[\-a-z]/[_A-Z]/;
827 if (/^asm$/ || /^err$/ || /^hw$/ || /^hw-/ || /^async$/
828 || /^autoalginit/ || /^autoerrinit/)
830 push @{$config{openssl_other_defines}}, "OPENSSL_NO_$ALGO";
831 print " OPENSSL_NO_$ALGO";
833 if (/^err$/) { push @user_defines, "OPENSSL_NO_ERR"; }
837 ($ALGO,$algo) = ("RMD160","rmd160") if ($algo eq "ripemd");
839 push @{$config{openssl_algorithm_defines}}, "OPENSSL_NO_$ALGO";
840 print " OPENSSL_NO_$ALGO";
842 # fix-up crypto/directory name(s)
843 $algo="whrlpool" if $algo eq "whirlpool";
844 $algo="ripemd" if $algo eq "rmd160";
845 @{$config{sdirs}} = grep { $_ ne $algo} @{$config{sdirs}};
854 print "Configuring for $target\n";
856 # Support for legacy targets having a name starting with 'debug-'
857 my ($d, $t) = $target =~ m/^(debug-)?(.*)$/;
859 $config{build_type} = "debug";
861 # If we do not find debug-foo in the table, the target is set to foo.
862 if (!$table{$target}) {
866 $config{target} = $target;
867 my %target = resolve_config($target);
869 &usage if (!%target || $target{template});
871 %target = ( %{$table{DEFAULTS}}, %target );
873 $target{exe_extension}="";
874 $target{exe_extension}=".exe" if ($config{target} eq "DJGPP"
875 || $config{target} =~ /^(?:Cygwin|mingw)/);
876 $target{exe_extension}=".pm" if ($config{target} =~ /vos/);
878 ($target{shared_extension_simple}=$target{shared_extension})
879 =~ s|\.\$\(SHLIB_MAJOR\)\.\$\(SHLIB_MINOR\)||;
880 $target{dso_extension}=$target{shared_extension_simple};
881 ($target{shared_import_extension}=$target{shared_extension_simple}.".a")
882 if ($config{target} =~ /^(?:Cygwin|mingw)/);
885 $config{cross_compile_prefix} = $ENV{'CROSS_COMPILE'}
886 if $config{cross_compile_prefix} eq "";
888 # Allow overriding the names of some tools. USE WITH CARE
889 $config{perl} = $ENV{'PERL'} || ($^O ne "VMS" ? $^X : "perl");
890 $target{cc} = $ENV{'CC'} || $target{cc} || "cc";
891 $target{ranlib} = $ENV{'RANLIB'} || $target{ranlib} || which("ranlib") || "true";
892 $target{ar} = $ENV{'AR'} || $target{ar} || "ar";
893 $target{nm} = $ENV{'NM'} || $target{nm} || "nm";
895 # For cflags, lflags, plib_lflags, ex_libs and defines, add the debug_
896 # or release_ attributes.
897 # Do it in such a way that no spurious space is appended (hence the grep).
898 $config{defines} = [];
899 $config{cflags} = "";
900 $config{ex_libs} = "";
901 $config{shared_ldflag} = "";
903 # Make sure build_scheme is consistent.
904 $target{build_scheme} = [ $target{build_scheme} ]
905 if ref($target{build_scheme}) ne "ARRAY";
907 my ($builder, $builder_platform, @builder_opts) =
908 @{$target{build_scheme}};
910 push @{$config{defines}}, "NDEBUG" if $config{build_type} eq "release";
912 if ($target =~ /^mingw/ && `$target{cc} --target-help 2>&1` =~ m/-mno-cygwin/m)
914 $config{cflags} .= " -mno-cygwin";
915 $config{shared_ldflag} .= " -mno-cygwin";
918 if ($target =~ /linux.*-mips/ && !$disabled{asm} && $user_cflags !~ /-m(ips|arch=)/) {
919 # minimally required architecture flags for assembly modules
920 $config{cflags}="-mips2 $config{cflags}" if ($target =~ /mips32/);
921 $config{cflags}="-mips3 $config{cflags}" if ($target =~ /mips64/);
924 my $no_shared_warn=0;
925 my $no_user_cflags=0;
926 my $no_user_defines=0;
928 # The DSO code currently always implements all functions so that no
929 # applications will have to worry about that from a compilation point
930 # of view. However, the "method"s may return zero unless that platform
931 # has support compiled in for them. Currently each method is enabled
932 # by a define "DSO_<name>" ... we translate the "dso_scheme" config
933 # string entry into using the following logic;
934 if (!$disabled{dso} && $target{dso_scheme} ne "")
936 $target{dso_scheme} =~ tr/[a-z]/[A-Z]/;
937 if ($target{dso_scheme} eq "DLFCN")
939 unshift @{$config{defines}}, "DSO_DLFCN", "HAVE_DLFCN_H";
941 elsif ($target{dso_scheme} eq "DLFCN_NO_H")
943 unshift @{$config{defines}}, "DSO_DLFCN";
947 unshift @{$config{defines}}, "DSO_$target{dso_scheme}";
951 $config{ex_libs}="$libs$config{ex_libs}" if ($libs ne "");
957 @{$config{defines}} = grep !/^[BL]_ENDIAN$/, @{$config{defines}};
958 @{$target{defines}} = grep !/^[BL]_ENDIAN$/, @{$target{defines}};
962 # If threads aren't disabled, check how possible they are
963 unless ($disabled{threads}) {
965 # Enabled by default, disable it forcibly if unavailable
966 if ($target{thread_scheme} eq "(unknown)") {
967 $disabled{threads} = "unavailable";
970 # The user chose to enable threads explicitely, let's see
971 # if there's a chance that's possible
972 if ($target{thread_scheme} eq "(unknown)") {
973 # If the user asked for "threads" and we don't have internal
974 # knowledge how to do it, [s]he is expected to provide any
975 # system-dependent compiler options that are necessary. We
976 # can't truly check that the given options are correct, but
977 # we expect the user to know what [s]He is doing.
978 if ($no_user_cflags && $no_user_defines) {
979 die "You asked for multi-threading support, but didn't\n"
980 ,"provide any system-specific compiler options\n";
986 # If threads still aren't disabled, add a C macro to ensure the source
987 # code knows about it. Any other flag is taken care of by the configs.
988 unless($disabled{threads}) {
989 foreach (("defines", "openssl_thread_defines")) {
990 push @{$config{$_}}, "OPENSSL_THREADS";
994 # With "deprecated" disable all deprecated features.
995 if (defined($disabled{"deprecated"})) {
996 $config{api} = $maxapi;
999 if ($target{shared_target} eq "")
1002 if ((!$disabled{shared} || !$disabled{"dynamic-engine"})
1004 $disabled{shared} = "no-shared-target";
1005 $disabled{pic} = $disabled{shared} = $disabled{"dynamic-engine"} =
1009 if ($disabled{"dynamic-engine"}) {
1010 push @{$config{defines}}, "OPENSSL_NO_DYNAMIC_ENGINE";
1011 $config{dynamic_engines} = 0;
1013 push @{$config{defines}}, "OPENSSL_NO_STATIC_ENGINE";
1014 $config{dynamic_engines} = 1;
1021 # This saves the build files from having to check
1024 $target{shared_cflag} = $target{shared_ldflag} =
1025 $target{shared_rcflag} = "";
1029 push @{$config{defines}}, "OPENSSL_PIC";
1032 if ($target{sys_id} ne "")
1034 push @{$config{openssl_sys_defines}}, "OPENSSL_SYS_$target{sys_id}";
1037 unless ($disabled{asm}) {
1038 $target{cpuid_asm_src}=$table{DEFAULTS}->{cpuid_asm_src} if ($config{processor} eq "386");
1039 $target{bn_asm_src} =~ s/\w+-gf2m.c// if (defined($disabled{ec2m}));
1041 # bn-586 is the only one implementing bn_*_part_words
1042 push @{$config{defines}}, "OPENSSL_BN_ASM_PART_WORDS" if ($target{bn_asm_src} =~ /bn-586/);
1043 push @{$config{defines}}, "OPENSSL_IA32_SSE2" if (!$no_sse2 && $target{bn_asm_src} =~ /86/);
1045 push @{$config{defines}}, "OPENSSL_BN_ASM_MONT" if ($target{bn_asm_src} =~ /-mont/);
1046 push @{$config{defines}}, "OPENSSL_BN_ASM_MONT5" if ($target{bn_asm_src} =~ /-mont5/);
1047 push @{$config{defines}}, "OPENSSL_BN_ASM_GF2m" if ($target{bn_asm_src} =~ /-gf2m/);
1049 if ($config{fips}) {
1050 push @{$config{openssl_other_defines}}, "OPENSSL_FIPS";
1053 if ($target{sha1_asm_src}) {
1054 push @{$config{defines}}, "SHA1_ASM" if ($target{sha1_asm_src} =~ /sx86/ || $target{sha1_asm_src} =~ /sha1/);
1055 push @{$config{defines}}, "SHA256_ASM" if ($target{sha1_asm_src} =~ /sha256/);
1056 push @{$config{defines}}, "SHA512_ASM" if ($target{sha1_asm_src} =~ /sha512/);
1058 if ($target{md5_asm_src}) {
1059 push @{$config{defines}}, "MD5_ASM";
1061 $target{cast_asm_src}=$table{DEFAULTS}->{cast_asm_src} unless $disabled{pic}; # CAST assembler is not PIC
1062 if ($target{rmd160_asm_src}) {
1063 push @{$config{defines}}, "RMD160_ASM";
1065 if ($target{aes_asm_src}) {
1066 push @{$config{defines}}, "AES_ASM" if ($target{aes_asm_src} =~ m/\baes-/);;
1067 # aes-ctr.fake is not a real file, only indication that assembler
1068 # module implements AES_ctr32_encrypt...
1069 push @{$config{defines}}, "AES_CTR_ASM" if ($target{aes_asm_src} =~ s/\s*aes-ctr\.fake//);
1070 # aes-xts.fake indicates presence of AES_xts_[en|de]crypt...
1071 push @{$config{defines}}, "AES_XTS_ASM" if ($target{aes_asm_src} =~ s/\s*aes-xts\.fake//);
1072 $target{aes_asm_src} =~ s/\s*(vpaes|aesni)-x86\.s//g if ($no_sse2);
1073 push @{$config{defines}}, "VPAES_ASM" if ($target{aes_asm_src} =~ m/vpaes/);
1074 push @{$config{defines}}, "BSAES_ASM" if ($target{aes_asm_src} =~ m/bsaes/);
1076 if ($target{wp_asm_src} =~ /mmx/) {
1077 if ($config{processor} eq "386") {
1078 $target{wp_asm_src}=$table{DEFAULTS}->{wp_asm_src};
1079 } elsif (!$disabled{"whirlpool"}) {
1080 push @{$config{defines}}, "WHIRLPOOL_ASM";
1083 if ($target{modes_asm_src} =~ /ghash-/) {
1084 push @{$config{defines}}, "GHASH_ASM";
1086 if ($target{ec_asm_src} =~ /ecp_nistz256/) {
1087 push @{$config{defines}}, "ECP_NISTZ256_ASM";
1089 if ($target{poly1305_asm_src} ne "") {
1090 push @{$config{defines}}, "POLY1305_ASM";
1094 my $ecc = $target{cc};
1095 if ($^O ne "VMS" && !$disabled{makedepend}) {
1096 # Is the compiler gcc or clang? $ecc is used below to see if
1097 # error-checking can be turned on.
1098 my $ccpcc = "$config{cross_compile_prefix}$target{cc}";
1099 open(PIPE, "$ccpcc --version 2>&1 |");
1102 # Find the version number and save the major.
1103 m|(?:.*)\b(\d+)\.\d+\.\d+\b(?:.*)|;
1104 my $compiler_major = $1;
1105 # We know that GNU C version 3 and up as well as all clang
1106 # versions support dependency generation
1107 $config{makedepprog} = $ccpcc
1108 if (/clang/ || (/gcc/ && $compiler_major > 3));
1109 $ecc = "clang" if /clang/;
1110 $ecc = "gcc" if /gcc/;
1111 last if ($config{makedepprog} || !$lines--);
1115 $config{makedepprog} = which('makedepend') unless $config{makedepprog};
1116 $disabled{makedepend} = "unavailable" unless $config{makedepprog};
1121 # Deal with bn_ops ###################################################
1124 $config{export_var_as_fn} =0;
1125 my $def_int="unsigned int";
1126 $config{rc4_int} =$def_int;
1127 ($config{b64l},$config{b64},$config{b32})=(0,0,1);
1130 foreach (sort split(/\s+/,$target{bn_ops})) {
1131 $count++ if /SIXTY_FOUR_BIT|SIXTY_FOUR_BIT_LONG|THIRTY_TWO_BIT/;
1132 $config{export_var_as_fn}=1 if $_ eq 'EXPORT_VAR_AS_FN';
1133 $config{bn_ll}=1 if $_ eq 'BN_LLONG';
1134 $config{rc4_int}="unsigned char" if $_ eq 'RC4_CHAR';
1135 ($config{b64l},$config{b64},$config{b32})
1136 =(0,1,0) if $_ eq 'SIXTY_FOUR_BIT';
1137 ($config{b64l},$config{b64},$config{b32})
1138 =(1,0,0) if $_ eq 'SIXTY_FOUR_BIT_LONG';
1139 ($config{b64l},$config{b64},$config{b32})
1140 =(0,0,1) if $_ eq 'THIRTY_TWO_BIT';
1142 die "Exactly one of SIXTY_FOUR_BIT|SIXTY_FOUR_BIT_LONG|THIRTY_TWO_BIT can be set in bn_ops\n"
1146 # Hack cflags for better warnings (dev option) #######################
1148 # "Stringify" the C flags string. This permits it to be made part of a string
1149 # and works as well on command lines.
1150 $config{cflags} =~ s/([\\\"])/\\$1/g;
1152 if (defined($config{api})) {
1153 $config{openssl_api_defines} = [ "OPENSSL_MIN_API=".$apitable->{$config{api}} ];
1154 my $apiflag = sprintf("OPENSSL_API_COMPAT=%s", $apitable->{$config{api}});
1155 push @{$config{defines}}, $apiflag;
1158 if ($strict_warnings)
1161 die "ERROR --strict-warnings requires gcc or clang"
1162 unless $ecc eq 'gcc' || $ecc eq 'clang';
1163 foreach $wopt (split /\s+/, $gcc_devteam_warn)
1165 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1167 if ($ecc eq "clang")
1169 foreach $wopt (split /\s+/, $clang_devteam_warn)
1171 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1176 unless ($disabled{"crypto-mdebug-backtrace"})
1178 foreach my $wopt (split /\s+/, $memleak_devteam_backtrace)
1180 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1182 if ($target =~ /^BSD-/)
1184 $config{ex_libs} .= " -lexecinfo";
1188 if ($user_cflags ne "") { $config{cflags}="$config{cflags}$user_cflags"; }
1189 else { $no_user_cflags=1; }
1190 if (@user_defines) { $config{defines}=[ @{$config{defines}}, @user_defines ]; }
1191 else { $no_user_defines=1; }
1193 # ALL MODIFICATIONS TO %config and %target MUST BE DONE FROM HERE ON
1195 unless ($disabled{afalgeng}) {
1196 $config{afalgeng}="";
1197 if ($target =~ m/^linux/) {
1198 my $minver = 4*10000 + 1*100 + 0;
1199 if ($config{cross_compile_prefix} eq "") {
1200 my $verstr = `uname -r`;
1201 my ($ma, $mi1, $mi2) = split("\\.", $verstr);
1202 ($mi2) = $mi2 =~ /(\d+)/;
1203 my $ver = $ma*10000 + $mi1*100 + $mi2;
1204 if ($ver < $minver) {
1205 $disabled{afalgeng} = "too-old-kernel";
1207 push @{$config{engdirs}}, "afalg";
1210 $disabled{afalgeng} = "cross-compiling";
1213 $disabled{afalgeng} = "not-linux";
1217 push @{$config{openssl_other_defines}}, "OPENSSL_NO_AFALGENG" if ($disabled{afalgeng});
1219 # If we use the unified build, collect information from build.info files
1220 my %unified_info = ();
1222 my $buildinfo_debug = defined($ENV{CONFIGURE_DEBUG_BUILDINFO});
1223 if ($builder eq "unified") {
1224 # Store the name of the template file we will build the build file from
1225 # in %config. This may be useful for the build file itself.
1226 my $build_file_template =
1227 catfile($srcdir, "Configurations",
1228 $builder_platform."-".$target{build_file}.".tmpl");
1229 $build_file_template =
1230 catfile($srcdir, "Configurations", $target{build_file}.".tmpl")
1231 if (! -f $build_file_template);
1232 $config{build_file_template} = $build_file_template;
1234 use lib catdir(dirname(__FILE__),"util");
1235 use with_fallback qw(Text::Template);
1240 my $relativeto = shift || ".";
1242 $dir = catdir($base,$dir) unless isabsolute($dir);
1244 # Make sure the directories we're building in exists
1247 my $res = abs2rel(absolutedir($dir), rel2abs($relativeto));
1248 #print STDERR "DEBUG[cleandir]: $dir , $base => $res\n";
1255 my $relativeto = shift || ".";
1257 $file = catfile($base,$file) unless isabsolute($file);
1259 my $d = dirname($file);
1260 my $f = basename($file);
1262 # Make sure the directories we're building in exists
1265 my $res = abs2rel(catfile(absolutedir($d), $f), rel2abs($relativeto));
1266 #print STDERR "DEBUG[cleanfile]: $d , $f => $res\n";
1270 my @build_infos = ( [ ".", "build.info" ] );
1271 foreach (@{$config{dirs}}) {
1272 push @build_infos, [ $_, "build.info" ]
1273 if (-f catfile($srcdir, $_, "build.info"));
1275 foreach (@{$config{sdirs}}) {
1276 push @build_infos, [ catdir("crypto", $_), "build.info" ]
1277 if (-f catfile($srcdir, "crypto", $_, "build.info"));
1279 foreach (@{$config{engdirs}}) {
1280 push @build_infos, [ catdir("engines", $_), "build.info" ]
1281 if (-f catfile($srcdir, "engines", $_, "build.info"));
1284 $config{build_infos} = [ ];
1286 foreach (@build_infos) {
1287 my $sourced = catdir($srcdir, $_->[0]);
1288 my $buildd = catdir($blddir, $_->[0]);
1293 # The basic things we're trying to build
1300 my @intermediates = ();
1305 my %shared_sources = ();
1309 my %sharednames = ();
1312 push @{$config{build_infos}}, catfile(abs2rel($sourced, $blddir), $f);
1313 my $template = Text::Template->new(TYPE => 'FILE',
1314 SOURCE => catfile($sourced, $f));
1315 die "Something went wrong with $sourced/$f: $!\n" unless $template;
1318 $template->fill_in(HASH => { config => \%config,
1320 disabled => \%disabled,
1321 builddir => abs2rel($buildd, $blddir),
1322 sourcedir => abs2rel($sourced, $blddir),
1323 buildtop => abs2rel($blddir, $blddir),
1324 sourcetop => abs2rel($srcdir, $blddir) },
1325 DELIMITERS => [ "{-", "-}" ]);
1327 # The top item of this stack has the following values
1328 # -2 positive already run and we found ELSE (following ELSIF should fail)
1329 # -1 positive already run (skip until ENDIF)
1330 # 0 negatives so far (if we're at a condition, check it)
1331 # 1 last was positive (don't skip lines until next ELSE, ELSIF or ENDIF)
1332 # 2 positive ELSE (following ELSIF should fail)
1334 collect_information(
1335 collect_from_array([ @text ],
1336 qr/\\$/ => sub { my $l1 = shift; my $l2 = shift;
1337 $l1 =~ s/\\$//; $l1.$l2 }),
1338 # Info we're looking for
1339 qr/^\s*IF\[((?:\\.|[^\\\]])*)\]\s*$/
1341 if (! @skip || $skip[$#skip] > 0) {
1347 qr/^\s*ELSIF\[((?:\\.|[^\\\]])*)\]\s*$/
1348 => sub { die "ELSIF out of scope" if ! @skip;
1349 die "ELSIF following ELSE" if abs($skip[$#skip]) == 2;
1350 $skip[$#skip] = -1 if $skip[$#skip] != 0;
1351 $skip[$#skip] = !! $1
1352 if $skip[$#skip] == 0; },
1354 => sub { die "ELSE out of scope" if ! @skip;
1355 $skip[$#skip] = -2 if $skip[$#skip] != 0;
1356 $skip[$#skip] = 2 if $skip[$#skip] == 0; },
1358 => sub { die "ENDIF out of scope" if ! @skip;
1360 qr/^\s*PROGRAMS\s*=\s*(.*)\s*$/
1361 => sub { push @programs, split(/\s+/, $1)
1362 if !@skip || $skip[$#skip] > 0 },
1363 qr/^\s*LIBS\s*=\s*(.*)\s*$/
1364 => sub { push @libraries, split(/\s+/, $1)
1365 if !@skip || $skip[$#skip] > 0 },
1366 qr/^\s*ENGINES\s*=\s*(.*)\s*$/
1367 => sub { push @engines, split(/\s+/, $1)
1368 if !@skip || $skip[$#skip] > 0 },
1369 qr/^\s*SCRIPTS\s*=\s*(.*)\s*$/
1370 => sub { push @scripts, split(/\s+/, $1)
1371 if !@skip || $skip[$#skip] > 0 },
1372 qr/^\s*EXTRA\s*=\s*(.*)\s*$/
1373 => sub { push @extra, split(/\s+/, $1)
1374 if !@skip || $skip[$#skip] > 0 },
1375 qr/^\s*OVERRIDES\s*=\s*(.*)\s*$/
1376 => sub { push @overrides, split(/\s+/, $1)
1377 if !@skip || $skip[$#skip] > 0 },
1379 qr/^\s*ORDINALS\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/,
1380 => sub { push @{$ordinals{$1}}, split(/\s+/, $2)
1381 if !@skip || $skip[$#skip] > 0 },
1382 qr/^\s*SOURCE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1383 => sub { push @{$sources{$1}}, split(/\s+/, $2)
1384 if !@skip || $skip[$#skip] > 0 },
1385 qr/^\s*SHARED_SOURCE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1386 => sub { push @{$shared_sources{$1}}, split(/\s+/, $2)
1387 if !@skip || $skip[$#skip] > 0 },
1388 qr/^\s*INCLUDE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1389 => sub { push @{$includes{$1}}, split(/\s+/, $2)
1390 if !@skip || $skip[$#skip] > 0 },
1391 qr/^\s*DEPEND\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1392 => sub { push @{$depends{$1}}, split(/\s+/, $2)
1393 if !@skip || $skip[$#skip] > 0 },
1394 qr/^\s*GENERATE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1395 => sub { push @{$generate{$1}}, $2
1396 if !@skip || $skip[$#skip] > 0 },
1397 qr/^\s*RENAME\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1398 => sub { push @{$renames{$1}}, split(/\s+/, $2)
1399 if !@skip || $skip[$#skip] > 0 },
1400 qr/^\s*SHARED_NAME\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1401 => sub { push @{$sharednames{$1}}, split(/\s+/, $2)
1402 if !@skip || $skip[$#skip] > 0 },
1403 qr/^\s*BEGINRAW\[((?:\\.|[^\\\]])+)\]\s*$/
1405 my $lineiterator = shift;
1406 my $target_kind = $1;
1407 while (defined $lineiterator->()) {
1409 if (/^\s*ENDRAW\[((?:\\.|[^\\\]])+)\]\s*$/) {
1410 die "ENDRAW doesn't match BEGINRAW"
1411 if $1 ne $target_kind;
1414 next if @skip && $skip[$#skip] <= 0;
1416 if ($target_kind eq $target{build_file}
1417 || $target_kind eq $target{build_file}."(".$builder_platform.")");
1420 qr/^(?:#.*|\s*)$/ => sub { },
1421 "OTHERWISE" => sub { die "Something wrong with this line:\n$_\nat $sourced/$f" },
1423 if ($buildinfo_debug) {
1424 print STDERR "DEBUG: Parsing ",join(" ", @_),"\n";
1425 print STDERR "DEBUG: ... before parsing, skip stack is ",join(" ", map { int($_) } @skip),"\n";
1429 if ($buildinfo_debug) {
1430 print STDERR "DEBUG: .... after parsing, skip stack is ",join(" ", map { int($_) } @skip),"\n";
1434 die "runaway IF?" if (@skip);
1436 foreach (keys %renames) {
1437 die "$_ renamed to more than one thing: "
1438 ,join(" ", @{$renames{$_}}),"\n"
1439 if scalar @{$renames{$_}} > 1;
1440 my $dest = cleanfile($buildd, $_, $blddir);
1441 my $to = cleanfile($buildd, $renames{$_}->[0], $blddir);
1442 die "$dest renamed to more than one thing: "
1443 ,$unified_info{rename}->{$dest}, $to
1444 unless !defined($unified_info{rename}->{$dest})
1445 or $unified_info{rename}->{$dest} eq $to;
1446 $unified_info{rename}->{$dest} = $to;
1449 foreach (@programs) {
1450 my $program = cleanfile($buildd, $_, $blddir);
1451 if ($unified_info{rename}->{$program}) {
1452 $program = $unified_info{rename}->{$program};
1454 $unified_info{programs}->{$program} = 1;
1457 foreach (@libraries) {
1458 my $library = cleanfile($buildd, $_, $blddir);
1459 if ($unified_info{rename}->{$library}) {
1460 $library = $unified_info{rename}->{$library};
1462 $unified_info{libraries}->{$library} = 1;
1465 die <<"EOF" if scalar @engines and !$config{dynamic_engines};
1466 ENGINES can only be used if configured with 'dynamic-engine'.
1467 This is usually a fault in a build.info file.
1469 foreach (@engines) {
1470 my $library = cleanfile($buildd, $_, $blddir);
1471 if ($unified_info{rename}->{$library}) {
1472 $library = $unified_info{rename}->{$library};
1474 $unified_info{engines}->{$library} = 1;
1477 foreach (@scripts) {
1478 my $script = cleanfile($buildd, $_, $blddir);
1479 if ($unified_info{rename}->{$script}) {
1480 $script = $unified_info{rename}->{$script};
1482 $unified_info{scripts}->{$script} = 1;
1486 my $extra = cleanfile($buildd, $_, $blddir);
1487 $unified_info{extra}->{$extra} = 1;
1490 foreach (@overrides) {
1491 my $override = cleanfile($buildd, $_, $blddir);
1492 $unified_info{overrides}->{$override} = 1;
1495 push @{$unified_info{rawlines}}, @rawlines;
1497 unless ($disabled{shared}) {
1498 # Check sharednames.
1499 foreach (keys %sharednames) {
1500 my $dest = cleanfile($buildd, $_, $blddir);
1501 if ($unified_info{rename}->{$dest}) {
1502 $dest = $unified_info{rename}->{$dest};
1504 die "shared_name for $dest with multiple values: "
1505 ,join(" ", @{$sharednames{$_}}),"\n"
1506 if scalar @{$sharednames{$_}} > 1;
1507 my $to = cleanfile($buildd, $sharednames{$_}->[0], $blddir);
1508 die "shared_name found for a library $dest that isn't defined\n"
1509 unless $unified_info{libraries}->{$dest};
1510 die "shared_name for $dest with multiple values: "
1511 ,$unified_info{sharednames}->{$dest}, ", ", $to
1512 unless !defined($unified_info{sharednames}->{$dest})
1513 or $unified_info{sharednames}->{$dest} eq $to;
1514 $unified_info{sharednames}->{$dest} = $to;
1517 # Additionally, we set up sharednames for libraries that don't
1518 # have any, as themselves.
1519 foreach (keys %{$unified_info{libraries}}) {
1520 if (!defined $unified_info{sharednames}->{$_}) {
1521 $unified_info{sharednames}->{$_} = $_
1526 foreach (keys %ordinals) {
1528 my $ddest = cleanfile($buildd, $_, $blddir);
1529 if ($unified_info{rename}->{$ddest}) {
1530 $ddest = $unified_info{rename}->{$ddest};
1532 foreach (@{$ordinals{$dest}}) {
1533 my %known_ordinals =
1536 cleanfile($sourced, catfile("util", "libcrypto.num"), $blddir),
1538 cleanfile($sourced, catfile("util", "libssl.num"), $blddir)
1540 my $o = $known_ordinals{$_};
1541 die "Ordinals for $ddest defined more than once\n"
1542 if $unified_info{ordinals}->{$ddest};
1543 $unified_info{ordinals}->{$ddest} = [ $_, $o ];
1547 foreach (keys %sources) {
1549 my $ddest = cleanfile($buildd, $_, $blddir);
1550 if ($unified_info{rename}->{$ddest}) {
1551 $ddest = $unified_info{rename}->{$ddest};
1553 foreach (@{$sources{$dest}}) {
1554 my $s = cleanfile($sourced, $_, $blddir);
1556 # If it isn't in the source tree, we assume it's generated
1559 $s = cleanfile($buildd, $_, $blddir);
1561 # We recognise C and asm files
1562 if ($s =~ /\.[csS]\b$/) {
1563 (my $o = $_) =~ s/\.[csS]\b$/.o/;
1564 $o = cleanfile($buildd, $o, $blddir);
1565 $unified_info{sources}->{$ddest}->{$o} = 1;
1566 $unified_info{sources}->{$o}->{$s} = 1;
1568 $unified_info{sources}->{$ddest}->{$s} = 1;
1573 foreach (keys %shared_sources) {
1575 my $ddest = cleanfile($buildd, $_, $blddir);
1576 if ($unified_info{rename}->{$ddest}) {
1577 $ddest = $unified_info{rename}->{$ddest};
1579 foreach (@{$shared_sources{$dest}}) {
1580 my $s = cleanfile($sourced, $_, $blddir);
1582 # If it isn't in the source tree, we assume it's generated
1585 $s = cleanfile($buildd, $_, $blddir);
1587 # We recognise C and asm files
1588 if ($s =~ /\.[csS]\b$/) {
1589 (my $o = $_) =~ s/\.[csS]\b$/.o/;
1590 $o = cleanfile($buildd, $o, $blddir);
1591 $unified_info{shared_sources}->{$ddest}->{$o} = 1;
1592 $unified_info{sources}->{$o}->{$s} = 1;
1594 die "unrecognised source file type for shared library: $s\n";
1599 foreach (keys %generate) {
1601 my $ddest = cleanfile($buildd, $_, $blddir);
1602 if ($unified_info{rename}->{$ddest}) {
1603 $ddest = $unified_info{rename}->{$ddest};
1605 die "more than one generator for $dest: "
1606 ,join(" ", @{$generate{$_}}),"\n"
1607 if scalar @{$generate{$_}} > 1;
1608 my @generator = split /\s+/, $generate{$dest}->[0];
1609 $generator[0] = cleanfile($sourced, $generator[0], $blddir),
1610 $unified_info{generate}->{$ddest} = [ @generator ];
1613 foreach (keys %depends) {
1615 my $ddest = cleanfile($buildd, $_, $blddir);
1616 if ($unified_info{rename}->{$ddest}) {
1617 $ddest = $unified_info{rename}->{$ddest};
1619 foreach (@{$depends{$dest}}) {
1620 my $d = cleanfile($sourced, $_, $blddir);
1622 # If we know it's generated, or assume it is because we can't
1623 # find it in the source tree, we set file we depend on to be
1624 # in the build tree rather than the source tree, and assume
1625 # and that there are lines to build it in a BEGINRAW..ENDRAW
1626 # section or in the Makefile template.
1628 || (grep { $d eq $_ }
1629 map { cleanfile($srcdir, $_, $blddir) }
1630 (@generated_headers, @generated_by_make_headers))) {
1631 $d = cleanfile($buildd, $_, $blddir);
1633 # Take note if the file to depend on is being renamed
1634 if ($unified_info{rename}->{$d}) {
1635 $d = $unified_info{rename}->{$d};
1637 $unified_info{depends}->{$ddest}->{$d} = 1;
1638 # If we depend on a header file, let's make sure it
1641 my $i = dirname($d);
1642 push @{$unified_info{includes}->{$ddest}}, $i
1643 unless grep { $_ eq $i } @{$unified_info{includes}->{$ddest}};
1648 foreach (keys %includes) {
1650 my $ddest = cleanfile($buildd, $_, $blddir);
1651 if ($unified_info{rename}->{$ddest}) {
1652 $ddest = $unified_info{rename}->{$ddest};
1654 foreach (@{$includes{$dest}}) {
1655 my $i = cleandir($sourced, $_, $blddir);
1656 push @{$unified_info{includes}->{$ddest}}, $i
1657 unless grep { $_ eq $i } @{$unified_info{includes}->{$ddest}};
1662 ### Make unified_info a bit more efficient
1663 # One level structures
1664 foreach (("programs", "libraries", "engines", "scripts", "extra", "overrides")) {
1665 $unified_info{$_} = [ sort keys %{$unified_info{$_}} ];
1667 # Two level structures
1668 foreach my $l1 (("sources", "shared_sources", "ldadd", "depends")) {
1669 foreach my $l2 (sort keys %{$unified_info{$l1}}) {
1670 $unified_info{$l1}->{$l2} =
1671 [ sort keys %{$unified_info{$l1}->{$l2}} ];
1676 # For the schemes that need it, we provide the old *_obj configs
1677 # from the *_asm_obj ones
1678 foreach (grep /_(asm|aux)_src$/, keys %target) {
1680 (my $obj = $_) =~ s/_(asm|aux)_src$/_obj/;
1681 ($target{$obj} = $target{$src}) =~ s/\.[csS]\b/.o/g;
1684 # Write down our configuration where it fits #########################
1686 open(OUT,">configdata.pm") || die "unable to create configdata.pm: $!\n";
1694 #use vars qw(\@ISA \@EXPORT);
1695 our \@ISA = qw(Exporter);
1696 our \@EXPORT = qw(\%config \%target \%disabled \%withargs \%unified_info \@disablables);
1699 print OUT "our %config = (\n";
1700 foreach (sort keys %config) {
1701 if (ref($config{$_}) eq "ARRAY") {
1702 print OUT " ", $_, " => [ ", join(", ",
1703 map { quotify("perl", $_) }
1704 @{$config{$_}}), " ],\n";
1706 print OUT " ", $_, " => ", quotify("perl", $config{$_}), ",\n"
1713 print OUT "our %target = (\n";
1714 foreach (sort keys %target) {
1715 if (ref($target{$_}) eq "ARRAY") {
1716 print OUT " ", $_, " => [ ", join(", ",
1717 map { quotify("perl", $_) }
1718 @{$target{$_}}), " ],\n";
1720 print OUT " ", $_, " => ", quotify("perl", $target{$_}), ",\n"
1727 print OUT "our \%available_protocols = (\n";
1728 print OUT " tls => [ ", join(", ", map { quotify("perl", $_) } @tls), " ],\n";
1729 print OUT " dtls => [ ", join(", ", map { quotify("perl", $_) } @dtls), " ],\n";
1734 print OUT "our \@disablables = (\n";
1735 foreach (@disablables) {
1736 print OUT " ", quotify("perl", $_), ",\n";
1742 print OUT "our \%disabled = (\n";
1743 foreach (sort keys %disabled) {
1744 print OUT " ", quotify("perl", $_), " => ", quotify("perl", $disabled{$_}), ",\n";
1750 print OUT "our %withargs = (\n";
1751 foreach (sort keys %withargs) {
1752 if (ref($withargs{$_}) eq "ARRAY") {
1753 print OUT " ", $_, " => [ ", join(", ",
1754 map { quotify("perl", $_) }
1755 @{$withargs{$_}}), " ],\n";
1757 print OUT " ", $_, " => ", quotify("perl", $withargs{$_}), ",\n"
1764 if ($builder eq "unified") {
1769 if (ref $_ eq "ARRAY") {
1770 print OUT " "x$indent, "[\n";
1772 $recurse->($indent + 4, $_);
1774 print OUT " "x$indent, "],\n";
1775 } elsif (ref $_ eq "HASH") {
1777 print OUT " "x$indent, "{\n";
1778 foreach (sort keys %h) {
1779 if (ref $h{$_} eq "") {
1780 print OUT " "x($indent + 4), quotify("perl", $_), " => ", quotify("perl", $h{$_}), ",\n";
1782 print OUT " "x($indent + 4), quotify("perl", $_), " =>\n";
1783 $recurse->($indent + 8, $h{$_});
1786 print OUT " "x$indent, "},\n";
1788 print OUT " "x$indent, quotify("perl", $_), ",\n";
1792 print OUT "our %unified_info = (\n";
1793 foreach (sort keys %unified_info) {
1794 if (ref $unified_info{$_} eq "") {
1795 print OUT " "x4, quotify("perl", $_), " => ", quotify("perl", $unified_info{$_}), ",\n";
1797 print OUT " "x4, quotify("perl", $_), " =>\n";
1798 $recurse->(8, $unified_info{$_});
1810 print "CC =$target{cc}\n";
1811 print "CFLAG =$target{cflags} $config{cflags}\n";
1812 print "SHARED_CFLAG =$target{shared_cflag}\n";
1813 print "DEFINES =",join(" ", @{$target{defines}}, @{$config{defines}}),"\n";
1814 print "LFLAG =$target{lflags}\n";
1815 print "PLIB_LFLAG =$target{plib_lflags}\n";
1816 print "EX_LIBS =$target{ex_libs} $config{ex_libs}\n";
1817 print "APPS_OBJ =$target{apps_obj}\n";
1818 print "CPUID_OBJ =$target{cpuid_obj}\n";
1819 print "UPLINK_OBJ =$target{uplink_obj}\n";
1820 print "BN_ASM =$target{bn_obj}\n";
1821 print "EC_ASM =$target{ec_obj}\n";
1822 print "DES_ENC =$target{des_obj}\n";
1823 print "AES_ENC =$target{aes_obj}\n";
1824 print "BF_ENC =$target{bf_obj}\n";
1825 print "CAST_ENC =$target{cast_obj}\n";
1826 print "RC4_ENC =$target{rc4_obj}\n";
1827 print "RC5_ENC =$target{rc5_obj}\n";
1828 print "MD5_OBJ_ASM =$target{md5_obj}\n";
1829 print "SHA1_OBJ_ASM =$target{sha1_obj}\n";
1830 print "RMD160_OBJ_ASM=$target{rmd160_obj}\n";
1831 print "CMLL_ENC =$target{cmll_obj}\n";
1832 print "MODES_OBJ =$target{modes_obj}\n";
1833 print "PADLOCK_OBJ =$target{padlock_obj}\n";
1834 print "CHACHA_ENC =$target{chacha_obj}\n";
1835 print "POLY1305_OBJ =$target{poly1305_obj}\n";
1836 print "BLAKE2_OBJ =$target{blake2_obj}\n";
1837 print "PROCESSOR =$config{processor}\n";
1838 print "RANLIB =$target{ranlib}\n";
1839 print "ARFLAGS =$target{arflags}\n";
1840 print "PERL =$config{perl}\n";
1842 print "SIXTY_FOUR_BIT_LONG mode\n" if $config{b64l};
1843 print "SIXTY_FOUR_BIT mode\n" if $config{b64};
1844 print "THIRTY_TWO_BIT mode\n" if $config{b32};
1845 print "BN_LLONG mode\n" if $config{bn_ll};
1846 print "RC4 uses $config{rc4_int}\n" if $config{rc4_int} ne $def_int;
1848 for (@generated_headers) {
1849 mkpath(catdir($blddir, dirname($_)));
1850 run_dofile(catfile($blddir, $_),
1851 catfile($srcdir, $_.".in"));
1855 ### When the old "unixmake" scheme goes away, so does this function
1857 sub build_Makefile {
1858 run_dofile("Makefile","Makefile.in");
1860 # Copy all Makefile.in to Makefile (except top-level)
1869 return if ($_ ne "Makefile.in" || $File::Find::dir eq ".");
1870 my $in = IO::File->new($_, "r") or
1871 die sprintf "Error reading Makefile.in in %s: !$\n",
1873 my $out = IO::File->new("Makefile", "w") or
1874 die sprintf "Error writing Makefile in %s: !$\n",
1876 print $out "# Generated from $_, do not edit\n";
1877 while (my $line = <$in>) { print $out $line }
1879 die sprintf "Error reading Makefile.in in %s: !$\n",
1882 die sprintf "Error writing Makefile in %s: !$\n",
1891 run_dofile(catfile($blddir, $target{build_file}),
1892 $config{build_file_template},
1893 catfile($srcdir, "Configurations", "common.tmpl"));
1898 run_dofile("util/domd", "util/domd.in");
1899 chmod 0755, "util/domd";
1903 $builders{$builder}->($builder_platform, @builder_opts);
1907 Configured for $target.
1910 print <<"EOF" if ($disabled{threads} eq "unavailable");
1912 The library could not be configured for supporting multi-threaded
1913 applications as the compiler options required on this system are not known.
1914 See file INSTALL for details if you need multi-threading.
1917 print <<"EOF" if ($no_shared_warn);
1919 The options 'shared', 'pic' and 'dynamic-engine' aren't supported on this
1920 platform, so we will pretend you gave the option 'no-pic', which also disables
1921 'shared' and 'dynamic-engine'. If you know how to implement shared libraries
1922 or position independent code, please let us know (but please first make sure
1923 you have tried with a current version of OpenSSL).
1928 ######################################################################
1930 # Helpers and utility functions
1933 # Configuration file reading #########################################
1935 # Note: All of the helper functions are for lazy evaluation. They all
1936 # return a CODE ref, which will return the intended value when evaluated.
1937 # Thus, whenever there's mention of a returned value, it's about that
1940 # Helper function to implement conditional inheritance depending on the
1941 # value of $disabled{asm}. Used in inherit_from values as follows:
1943 # inherit_from => [ "template", asm("asm_tmpl") ]
1948 $disabled{asm} ? () : @x;
1952 # Helper function to implement conditional value variants, with a default
1953 # plus additional values based on the value of $config{build_type}.
1954 # Arguments are given in hash table form:
1956 # picker(default => "Basic string: ",
1958 # release => "release")
1960 # When configuring with --debug, the resulting string will be
1961 # "Basic string: debug", and when not, it will be "Basic string: release"
1963 # This can be used to create variants of sets of flags according to the
1966 # cflags => picker(default => "-Wall",
1967 # debug => "-g -O0",
1972 return sub { add($opts{default} || (),
1973 $opts{$config{build_type}} || ())->(); }
1976 # Helper function to combine several values of different types into one.
1977 # This is useful if you want to combine a string with the result of a
1978 # lazy function, such as:
1980 # cflags => combine("-Wall", sub { $disabled{zlib} ? () : "-DZLIB" })
1984 return sub { add(@stuff)->(); }
1987 # Helper function to implement conditional values depending on the value
1988 # of $disabled{threads}. Can be used as follows:
1990 # cflags => combine("-Wall", threads("-pthread"))
1994 return sub { add($disabled{threads} ? () : @flags)->(); }
1999 our $add_called = 0;
2000 # Helper function to implement adding values to already existing configuration
2001 # values. It handles elements that are ARRAYs, CODEs and scalars
2003 my $separator = shift;
2005 # If there's any ARRAY in the collection of values OR the separator
2006 # is undef, we will return an ARRAY of combined values, otherwise a
2007 # string of joined values with $separator as the separator.
2008 my $found_array = !defined($separator);
2013 while (ref($res) eq "CODE") {
2016 if (defined($res)) {
2017 if (ref($res) eq "ARRAY") {
2033 join($separator, grep { defined($_) && $_ ne "" } @values);
2037 my $separator = " ";
2038 if (ref($_[$#_]) eq "HASH") {
2040 $separator = $opts->{separator};
2043 sub { _add($separator, @x, @_) };
2046 my $separator = " ";
2047 if (ref($_[$#_]) eq "HASH") {
2049 $separator = $opts->{separator};
2052 sub { _add($separator, @_, @x) };
2055 # configuration reader, evaluates the input file as a perl script and expects
2056 # it to fill %targets with target configurations. Those are then added to
2060 open(CONFFILE, "< $fname")
2061 or die "Can't open configuration file '$fname'!\n";
2064 my $content = <CONFFILE>;
2069 local %table = %::table; # Protect %table from tampering
2075 # For each target, check that it's configured with a hash table.
2076 foreach (keys %targets) {
2077 if (ref($targets{$_}) ne "HASH") {
2078 if (ref($targets{$_}) eq "") {
2079 warn "Deprecated target configuration for $_, ignoring...\n";
2081 warn "Misconfigured target configuration for $_ (should be a hash table), ignoring...\n";
2083 delete $targets{$_};
2087 %table = (%table, %targets);
2091 # configuration resolver. Will only resolve all the lazy evalutation
2092 # codeblocks for the chozen target and all those it inherits from,
2094 sub resolve_config {
2096 my @breadcrumbs = @_;
2098 # my $extra_checks = defined($ENV{CONFIGURE_EXTRA_CHECKS});
2100 if (grep { $_ eq $target } @breadcrumbs) {
2101 die "inherit_from loop! target backtrace:\n "
2102 ,$target,"\n ",join("\n ", @breadcrumbs),"\n";
2105 if (!defined($table{$target})) {
2106 warn "Warning! target $target doesn't exist!\n";
2109 # Recurse through all inheritances. They will be resolved on the
2110 # fly, so when this operation is done, they will all just be a
2111 # bunch of attributes with string values.
2112 # What we get here, though, are keys with references to lists of
2113 # the combined values of them all. We will deal with lists after
2114 # this stage is done.
2115 my %combined_inheritance = ();
2116 if ($table{$target}->{inherit_from}) {
2118 map { ref($_) eq "CODE" ? $_->() : $_ } @{$table{$target}->{inherit_from}};
2119 foreach (@inherit_from) {
2120 my %inherited_config = resolve_config($_, $target, @breadcrumbs);
2122 # 'template' is a marker that's considered private to
2123 # the config that had it.
2124 delete $inherited_config{template};
2126 foreach (keys %inherited_config) {
2127 if (!$combined_inheritance{$_}) {
2128 $combined_inheritance{$_} = [];
2130 push @{$combined_inheritance{$_}}, $inherited_config{$_};
2135 # We won't need inherit_from in this target any more, since we've
2136 # resolved all the inheritances that lead to this
2137 delete $table{$target}->{inherit_from};
2139 # Now is the time to deal with those lists. Here's the place to
2140 # decide what shall be done with those lists, all based on the
2141 # values of the target we're currently dealing with.
2142 # - If a value is a coderef, it will be executed with the list of
2143 # inherited values as arguments.
2144 # - If the corresponding key doesn't have a value at all or is the
2145 # emoty string, the inherited value list will be run through the
2146 # default combiner (below), and the result becomes this target's
2148 # - Otherwise, this target's value is assumed to be a string that
2149 # will simply override the inherited list of values.
2150 my $default_combiner = add();
2153 map { $_ => 1 } (keys %combined_inheritance,
2154 keys %{$table{$target}});
2156 sub process_values {
2158 my $inherited = shift; # Always a [ list ]
2164 while(ref($object) eq "CODE") {
2165 $object = $object->(@$inherited);
2167 if (!defined($object)) {
2170 elsif (ref($object) eq "ARRAY") {
2171 local $add_called; # To make sure recursive calls don't affect it
2172 return [ map { process_values($_, $inherited, $target, $entry) }
2174 } elsif (ref($object) eq "") {
2177 die "cannot handle reference type ",ref($object)
2178 ," found in target ",$target," -> ",$entry,"\n";
2182 foreach (sort keys %all_keys) {
2183 my $previous = $combined_inheritance{$_};
2185 # Current target doesn't have a value for the current key?
2186 # Assign it the default combiner, the rest of this loop body
2187 # will handle it just like any other coderef.
2188 if (!exists $table{$target}->{$_}) {
2189 $table{$target}->{$_} = $default_combiner;
2192 $table{$target}->{$_} = process_values($table{$target}->{$_},
2193 $combined_inheritance{$_},
2195 unless(defined($table{$target}->{$_})) {
2196 delete $table{$target}->{$_};
2198 # if ($extra_checks &&
2199 # $previous && !($add_called || $previous ~~ $table{$target}->{$_})) {
2200 # warn "$_ got replaced in $target\n";
2204 # Finally done, return the result.
2205 return %{$table{$target}};
2210 print STDERR $usage;
2211 print STDERR "\npick os/compiler from:\n";
2215 foreach $i (sort keys %table)
2217 next if $table{$i}->{template};
2218 next if $i =~ /^debug/;
2219 $k += length($i) + 1;
2225 print STDERR $i . " ";
2227 foreach $i (sort keys %table)
2229 next if $table{$i}->{template};
2230 next if $i !~ /^debug/;
2231 $k += length($i) + 1;
2237 print STDERR $i . " ";
2239 print STDERR "\n\nNOTE: If in doubt, on Unix-ish systems use './config'.\n";
2248 unlink $out || warn "Can't remove $out, $!"
2250 foreach (@templates) {
2251 die "Can't open $_, $!" unless -f $_;
2253 my $cmd = "$config{perl} \"-I.\" \"-Mconfigdata\" $dofile -o\"Configure\" \"".join("\" \"",@templates)."\" > \"$out.new\"";
2254 #print STDERR "DEBUG[run_dofile]: \$cmd = $cmd\n";
2257 rename("$out.new", $out) || die "Can't rename $out.new, $!";
2260 # Configuration printer ##############################################
2262 sub print_table_entry
2265 my %target = resolve_config($target);
2268 # Don't print the templates
2269 return if $target{template};
2306 "shared_extension_simple",
2307 "shared_import_extension",
2318 if ($type eq "TABLE") {
2320 print "*** $target\n";
2321 foreach (@sequence) {
2322 if (ref($target{$_}) eq "ARRAY") {
2323 printf "\$%-12s = %s\n", $_, join(" ", @{$target{$_}});
2325 printf "\$%-12s = %s\n", $_, $target{$_};
2328 } elsif ($type eq "HASH") {
2330 length((sort { length($a) <=> length($b) } @sequence)[-1]);
2331 print " '$target' => {\n";
2332 foreach (@sequence) {
2334 if (ref($target{$_}) eq "ARRAY") {
2335 print " '",$_,"'"," " x ($largest - length($_))," => [ ",join(", ", map { "'$_'" } @{$target{$_}})," ],\n";
2337 print " '",$_,"'"," " x ($largest - length($_))," => '",$target{$_},"',\n";
2345 # Utility routines ###################################################
2347 # On VMS, if the given file is a logical name, File::Spec::Functions
2348 # will consider it an absolute path. There are cases when we want a
2349 # purely syntactic check without checking the environment.
2353 # On non-platforms, we just use file_name_is_absolute().
2354 return file_name_is_absolute($file) unless $^O eq "VMS";
2356 # If the file spec includes a device or a directpry spec,
2357 # file_name_is_absolute() is perfectly safe.
2358 return file_name_is_absolute($file) if $file =~ m|[:\[]|;
2360 # Here, we know the given file spec isn't absolute
2364 # Makes a directory absolute and cleans out /../ in paths like foo/../bar
2365 # On some platforms, this uses rel2abs(), while on others, realpath() is used.
2366 # realpath() requires that at least all path components except the last is an
2367 # existing directory. On VMS, the last component of the directory spec must
2372 # realpath() is quite buggy on VMS. It uses LIB$FID_TO_NAME, which
2373 # will return the volume name for the device, no matter what. Also,
2374 # it will return an incorrect directory spec if the argument is a
2375 # directory that doesn't exist.
2377 return rel2abs($dir);
2380 # We use realpath() on Unix, since no other will properly clean out
2382 use Cwd qw/realpath/;
2384 return realpath($dir);
2391 foreach $path (split /:/, $ENV{PATH})
2393 my $fullpath = "$path/$name$target{exe_extension}";
2394 if (-f $fullpath and -x $fullpath)
2397 unless ($name eq "perl" and
2398 system("$fullpath -e " . '\'exit($]<5.0);\''));
2405 perl => sub { my $x = shift;
2406 $x =~ s/([\\\$\@"])/\\$1/g;
2407 return '"'.$x.'"'; },
2411 defined($processors{$for}) ? $processors{$for} : sub { shift; };
2413 return map { $processor->($_); } @_;
2416 # collect_from_file($filename, $line_concat_cond_re, $line_concat)
2417 # $filename is a file name to read from
2418 # $line_concat_cond_re is a regexp detecting a line continuation ending
2419 # $line_concat is a CODEref that takes care of concatenating two lines
2420 sub collect_from_file {
2421 my $filename = shift;
2422 my $line_concat_cond_re = shift;
2423 my $line_concat = shift;
2425 open my $fh, $filename || die "unable to read $filename: $!\n";
2427 my $saved_line = "";
2431 if (defined $line_concat) {
2432 $_ = $line_concat->($saved_line, $_);
2435 if (defined $line_concat_cond_re && /$line_concat_cond_re/) {
2441 die "$filename ending with continuation line\n" if $_;
2447 # collect_from_array($array, $line_concat_cond_re, $line_concat)
2448 # $array is an ARRAYref of lines
2449 # $line_concat_cond_re is a regexp detecting a line continuation ending
2450 # $line_concat is a CODEref that takes care of concatenating two lines
2451 sub collect_from_array {
2453 my $line_concat_cond_re = shift;
2454 my $line_concat = shift;
2455 my @array = (@$array);
2458 my $saved_line = "";
2460 while (defined($_ = shift @array)) {
2462 if (defined $line_concat) {
2463 $_ = $line_concat->($saved_line, $_);
2466 if (defined $line_concat_cond_re && /$line_concat_cond_re/) {
2472 die "input text ending with continuation line\n" if $_;
2477 # collect_information($lineiterator, $line_continue, $regexp => $CODEref, ...)
2478 # $lineiterator is a CODEref that delivers one line at a time.
2479 # All following arguments are regex/CODEref pairs, where the regexp detects a
2480 # line and the CODEref does something with the result of the regexp.
2481 sub collect_information {
2482 my $lineiterator = shift;
2483 my %collectors = @_;
2485 while(defined($_ = $lineiterator->())) {
2488 if ($collectors{"BEFORE"}) {
2489 $collectors{"BEFORE"}->($_);
2491 foreach my $re (keys %collectors) {
2492 if ($re !~ /^OTHERWISE|BEFORE|AFTER$/ && /$re/) {
2493 $collectors{$re}->($lineiterator);
2497 if ($collectors{"OTHERWISE"}) {
2498 $collectors{"OTHERWISE"}->($lineiterator, $_)
2499 unless $found || !defined $collectors{"OTHERWISE"};
2501 if ($collectors{"AFTER"}) {
2502 $collectors{"AFTER"}->($_);