5 ## Configure -- OpenSSL source tree configuration script
6 ## If editing this file, run this command before committing
7 ## make -f Makefile.in TABLE
13 use File::Spec::Functions qw/:DEFAULT abs2rel rel2abs/;
14 use File::Path qw/mkpath/;
16 # see INSTALL for instructions.
18 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";
22 # --config add the given configuration file, which will be read after
23 # any "Configurations*" files that are found in the same
24 # directory as this script.
25 # --prefix prefix for the OpenSSL installation, which includes the
26 # directories bin, lib, include, share/man, share/doc/openssl
27 # This becomes the value of INSTALLTOP in Makefile
28 # (Default: /usr/local)
29 # --openssldir OpenSSL data area, such as openssl.cnf, certificates and keys.
30 # If it's a relative directory, it will be added on the directory
31 # given with --prefix.
32 # This becomes the value of OPENSSLDIR in Makefile and in C.
33 # (Default: PREFIX/ssl)
35 # --cross-compile-prefix Add specified prefix to binutils components.
37 # --api One of 0.9.8, 1.0.0 or 1.1.0. Do not compile support for
38 # interfaces deprecated as of the specified OpenSSL version.
40 # no-hw-xxx do not compile support for specific crypto hardware.
41 # Generic OpenSSL-style methods relating to this support
42 # are always compiled but return NULL if the hardware
43 # support isn't compiled.
44 # no-hw do not compile support for any crypto hardware.
45 # [no-]threads [don't] try to create a library that is suitable for
46 # multithreaded applications (default is "threads" if we
48 # [no-]shared [don't] try to create shared libraries when supported.
49 # [no-]pic [don't] try to build position independent code when supported.
50 # If disabled, it also disables shared and dynamic-engine.
51 # no-asm do not use assembler
52 # no-dso do not compile in any native shared-library methods. This
53 # will ensure that all methods just return NULL.
54 # no-egd do not compile support for the entropy-gathering daemon APIs
55 # [no-]zlib [don't] compile support for zlib compression.
56 # zlib-dynamic Like "zlib", but the zlib library is expected to be a shared
57 # library and will be loaded in run-time by the OpenSSL library.
58 # sctp include SCTP support
59 # 386 generate 80386 code
60 # enable-weak-ssl-ciphers
61 # Enable weak ciphers that are disabled by default. This currently
62 # only includes RC4 based ciphers.
63 # no-sse2 disables IA-32 SSE2 code, above option implies no-sse2
64 # no-<cipher> build without specified algorithm (rsa, idea, rc5, ...)
65 # -<xxx> +<xxx> compiler options are passed through
67 # DEBUG_SAFESTACK use type-safe stacks to enforce type-safety on stack items
68 # provided to stack calls. Generates unique stack functions for
69 # each possible stack type.
70 # BN_LLONG use the type 'long long' in crypto/bn/bn.h
71 # RC4_CHAR use 'char' instead of 'int' for RC4_INT in crypto/rc4/rc4.h
72 # Following are set automatically by this script
74 # MD5_ASM use some extra md5 assember,
75 # SHA1_ASM use some extra sha1 assember, must define L_ENDIAN for x86
76 # RMD160_ASM use some extra ripemd160 assember,
77 # SHA256_ASM sha256_block is implemented in assembler
78 # SHA512_ASM sha512_block is implemented in assembler
79 # AES_ASM ASE_[en|de]crypt is implemented in assembler
81 # Minimum warning options... any contributions to OpenSSL should at least get
84 my $gcc_devteam_warn = "-DPEDANTIC -DREF_DEBUG -DDEBUG_UNUSED -DBIO_DEBUG"
89 . " -Wmissing-prototypes"
96 # These are used in addition to $gcc_devteam_warn when the compiler is clang.
97 # TODO(openssl-team): fix problems and investigate if (at least) the
98 # following warnings can also be enabled:
102 # -Wlanguage-extension-token -- no, we use asm()
103 # -Wunused-macros -- no, too tricky for BN and _XOPEN_SOURCE etc
104 # -Wextended-offsetof -- no, needed in CMS ASN1 code
105 my $clang_devteam_warn = ""
106 . " -Qunused-arguments"
108 . " -Wno-unused-parameter"
109 . " -Wno-missing-field-initializers"
110 . " -Wno-language-extension-token"
111 . " -Wno-extended-offsetof"
112 . " -Wconditional-uninitialized"
113 . " -Wincompatible-pointer-types-discards-qualifiers"
114 . " -Wmissing-variable-declarations"
117 # This adds backtrace information to the memory leak info. Is only used
118 # when crypto-mdebug-backtrace is enabled.
119 my $memleak_devteam_backtrace = "-rdynamic";
121 my $strict_warnings = 0;
123 # As for $BSDthreads. Idea is to maintain "collective" set of flags,
124 # which would cover all BSD flavors. -pthread applies to them all,
125 # but is treated differently. OpenBSD expands is as -D_POSIX_THREAD
126 # -lc_r, which is sufficient. FreeBSD 4.x expands it as -lc_r,
127 # which has to be accompanied by explicit -D_THREAD_SAFE and
128 # sometimes -D_REENTRANT. FreeBSD 5.x expands it as -lc_r, which
129 # seems to be sufficient?
130 our $BSDthreads="-pthread -D_THREAD_SAFE -D_REENTRANT";
133 # API compability name to version number mapping.
135 my $maxapi = "1.1.0"; # API for "no-deprecated" builds
137 "1.1.0" => "0x10100000L",
138 "1.0.0" => "0x10000000L",
139 "0.9.8" => "0x00908000L",
146 # Forward declarations ###############################################
148 # read_config(filename)
150 # Reads a configuration file and populates %table with the contents
151 # (which the configuration file places in %targets).
154 # resolve_config(target)
156 # Resolves all the late evalutations, inheritances and so on for the
157 # chosen target and any target it inherits from.
161 # Information collection #############################################
163 # Unified build supports separate build dir
164 my $srcdir = catdir(absolutedir(dirname($0))); # catdir ensures local syntax
165 my $blddir = catdir(absolutedir(".")); # catdir ensures local syntax
166 my $dofile = abs2rel(catfile($srcdir, "util/dofile.pl"));
168 $config{sourcedir} = abs2rel($srcdir);
169 $config{builddir} = abs2rel($blddir);
171 # Collect version numbers
172 $config{version} = "unknown";
173 $config{version_num} = "unknown";
174 $config{shlib_version_number} = "unknown";
175 $config{shlib_version_history} = "unknown";
178 collect_from_file(catfile($srcdir,'include/openssl/opensslv.h')),
179 qr/OPENSSL.VERSION.TEXT.*OpenSSL (\S+) / => sub { $config{version} = $1; },
180 qr/OPENSSL.VERSION.NUMBER.*(0x\S+)/ => sub { $config{version_num}=$1 },
181 qr/SHLIB_VERSION_NUMBER *"([^"]+)"/ => sub { $config{shlib_version_number}=$1 },
182 qr/SHLIB_VERSION_HISTORY *"([^"]*)"/ => sub { $config{shlib_version_history}=$1 }
184 if ($config{shlib_version_history} ne "") { $config{shlib_version_history} .= ":"; }
186 ($config{major}, $config{minor})
187 = ($config{version} =~ /^([0-9]+)\.([0-9\.]+)/);
188 ($config{shlib_major}, $config{shlib_minor})
189 = ($config{shlib_version_number} =~ /^([0-9]+)\.([0-9\.]+)/);
190 die "erroneous version information in opensslv.h: ",
191 "$config{major}, $config{minor}, $config{shlib_major}, $config{shlib_minor}\n"
192 if ($config{major} eq "" || $config{minor} eq ""
193 || $config{shlib_major} eq "" || $config{shlib_minor} eq "");
195 # Collect target configurations
197 my $pattern = catfile(dirname($0), "Configurations", "*.conf");
198 foreach (sort glob($pattern) ) {
203 print "Configuring OpenSSL version $config{version} (0x$config{version_num})\n";
207 $config{openssldir}="";
208 $config{processor}="";
210 $config{cross_compile_prefix}="";
211 $config{fipslibdir}="/usr/local/ssl/fips-2.0/lib/";
212 my $nofipscanistercheck=0;
213 $config{baseaddr}="0xFB00000";
214 my $auto_threads=1; # enable threads automatically? true by default
218 # Top level directories to build
219 $config{dirs} = [ "crypto", "ssl", "engines", "apps", "test", "tools" ];
220 # crypto/ subdirectories to build
223 "md2", "md4", "md5", "sha", "mdc2", "hmac", "ripemd", "whrlpool", "poly1305",
224 "des", "aes", "rc2", "rc4", "rc5", "idea", "bf", "cast", "camellia", "seed", "chacha", "modes",
225 "bn", "ec", "rsa", "dsa", "dh", "dso", "engine",
226 "buffer", "bio", "stack", "lhash", "rand", "err",
227 "evp", "asn1", "pem", "x509", "x509v3", "conf", "txt_db", "pkcs7", "pkcs12", "comp", "ocsp", "ui",
228 "cms", "ts", "srp", "cmac", "ct", "async", "kdf"
231 # Known TLS and DTLS protocols
232 my @tls = qw(ssl3 tls1 tls1_1 tls1_2);
233 my @dtls = qw(dtls1 dtls1_2);
235 # Explicitelly known options that are possible to disable. They can
236 # be regexps, and will be used like this: /^no-${option}$/
237 # For developers: keep it sorted alphabetically
254 "crypto-mdebug-backtrace",
268 "ec_nistp_64_gcc_128",
295 "rijndael", # Old AES name
323 foreach my $proto ((@tls, @dtls))
325 push(@disablables, $proto);
326 push(@disablables, "$proto-method");
329 my @deprecated_disablables = (
333 # All of the following is disabled by default (RC5 was enabled before 0.9.8):
335 our %disabled = ( # "what" => "comment"
336 "ec_nistp_64_gcc_128" => "default",
341 "shared" => "default",
342 "ssl-trace" => "default",
344 "ssl3-method" => "default",
345 "static-engine" => "default",
346 "unit-test" => "default",
347 "weak-ssl-ciphers" => "default",
349 "zlib-dynamic" => "default",
350 "crypto-mdebug" => "default",
351 "heartbeats" => "default",
354 # Note: => pair form used for aesthetics, not to truly make a hash table
355 my @disable_cascades = (
356 # "what" => [ "cascade", ... ]
357 sub { $config{processor} eq "386" }
360 "ssl3-method" => [ "ssl3" ],
361 "zlib" => [ "zlib-dynamic" ],
362 "rijndael" => [ "aes" ],
364 "ec" => [ "ecdsa", "ecdh" ],
366 "dgram" => [ "dtls" ],
369 # SSL 3.0, (D)TLS 1.0 and TLS 1.1 require MD5 and SHA
370 "md5" => [ "ssl", "tls1", "tls1_1", "dtls1" ],
371 "sha" => [ "ssl", "tls1", "tls1_1", "dtls1" ],
373 # Additionally, SSL 3.0 requires either RSA or DSA+DH
375 && ($disabled{dsa} || $disabled{dh}); }
378 # (D)TLS 1.0 and TLS 1.1 also require either RSA or DSA+DH
379 # or ECDSA + ECDH. (D)TLS 1.2 has this requirement as well.
380 # (XXX: We don't support PSK-only builds).
382 && ($disabled{dsa} || $disabled{dh})
383 && ($disabled{ecdsa} || $disabled{ecdh}); }
384 => [ "tls1", "tls1_1", "tls1_2",
385 "dtls1", "dtls1_2" ],
389 # SRP and HEARTBEATS require TLSEXT
390 "tlsext" => [ "srp", "heartbeats" ],
392 "crypto-mdebug" => [ "crypto-mdebug-backtrace" ],
394 # Without DSO, we can't load dynamic engines, so don't build them dynamic
395 "dso" => [ "dynamic-engine" ],
397 # Without position independent code, there can be no shared libraries or DSOs
398 "pic" => [ "shared", "dynamic-engine" ],
401 # Avoid protocol support holes. Also disable all versions below N, if version
402 # N is disabled while N+1 is enabled.
404 my @list = (reverse @tls);
405 while ((my $first, my $second) = (shift @list, shift @list)) {
407 push @disable_cascades, ( sub { !$disabled{$first} && $disabled{$second} }
409 unshift @list, $second;
411 my @list = (reverse @dtls);
412 while ((my $first, my $second) = (shift @list, shift @list)) {
414 push @disable_cascades, ( sub { !$disabled{$first} && $disabled{$second} }
416 unshift @list, $second;
419 # Explicit "no-..." options will be collected in %disabled along with the defaults.
420 # To remove something from %disabled, use "enable-foo".
421 # For symmetry, "disable-foo" is a synonym for "no-foo".
423 my @generated_headers = (
424 "include/openssl/opensslconf.h",
425 "crypto/include/internal/bn_conf.h",
426 "crypto/include/internal/dso_conf.h"
429 my @generated_by_make_headers = (
436 &usage if ($#ARGV < 0);
441 $config{openssl_api_defines}=[];
442 $config{openssl_algorithm_defines}=[];
443 $config{openssl_thread_defines}=[];
444 $config{openssl_sys_defines}=[];
445 $config{openssl_other_defines}=[];
449 $config{build_type} = "release";
453 if (grep /^reconf(igure)?$/, @argvcopy) {
454 if (-f "./configdata.pm") {
455 my $file = "./configdata.pm";
456 unless (my $return = do $file) {
457 die "couldn't parse $file: $@" if $@;
458 die "couldn't do $file: $!" unless defined $return;
459 die "couldn't run $file" unless $return;
462 @argvcopy = defined($configdata::config{perlargv}) ?
463 @{$configdata::config{perlargv}} : ();
464 die "Incorrect data to reconfigure, please do a normal configuration\n"
465 if (grep(/^reconf/,@argvcopy));
466 $ENV{CROSS_COMPILE} = $configdata::config{cross_compile_prefix}
467 if defined($configdata::config{cross_compile_prefix});
468 $ENV{CROSS_COMPILE} = $configdata::config{cc}
469 if defined($configdata::config{cc});
471 print "Reconfiguring with: ", join(" ",@argvcopy), "\n";
472 print " CROSS_COMPILE = ",$ENV{CROSS_COMPILE},"\n"
473 if $ENV{CROSS_COMPILE};
474 print " CC = ",$ENV{CC},"\n" if $ENV{CC};
475 } elsif (open IN, "<Makefile") {
477 # THIS SECTION IS TEMPORARY, it helps transitioning from Makefile
478 # centered information gathering the reading configdata.pm
482 if (/^CONFIGURE_ARGS=\s*(.*)\s*/) {
483 # Older form, we split the string and hope for the best
484 @argvcopy = split /\s+/, $_;
485 die "Incorrect data to reconfigure, please do a normal configuration\n"
486 if (grep(/^reconf/,@argvcopy));
487 } elsif (/^CROSS_COMPILE=\s*(.*)/) {
488 $ENV{CROSS_COMPILE}=$1;
489 } elsif (/^CC=\s*(?:\$\(CROSS_COMPILE\))?(.*?)$/) {
494 # END OF TEMPORARY SECTION
497 die "Insufficient data to reconfigure, please do a normal configuration\n";
501 $config{perlargv} = [ @argvcopy ];
503 my %unsupported_options = ();
504 my %deprecated_options = ();
507 # VMS is a case insensitive environment, and depending on settings
508 # out of our control, we may receive options uppercased. Let's
509 # downcase at least the part before any equal sign.
514 s /^-no-/no-/; # some people just can't read the instructions
516 # rewrite some options in "enable-..." form
517 s /^-?-?shared$/enable-shared/;
518 s /^sctp$/enable-sctp/;
519 s /^threads$/enable-threads/;
520 s /^zlib$/enable-zlib/;
521 s /^zlib-dynamic$/enable-zlib-dynamic/;
523 if (/^(no|disable|enable)-(.+)$/)
526 if (grep { $word =~ /^${_}$/ } @deprecated_disablables)
528 $deprecated_options{$_} = 1;
531 elsif (!grep { $word =~ /^${_}$/ } @disablables)
533 $unsupported_options{$_} = 1;
537 if (/^no-(.+)$/ || /^disable-(.+)$/)
539 foreach my $proto ((@tls, @dtls))
541 if ($1 eq "$proto-method")
543 $disabled{"$proto"} = "option($proto-method)";
549 foreach my $proto (@dtls)
551 $disabled{$proto} = "option(dtls)";
556 # Last one of its kind
557 $disabled{"ssl3"} = "option(ssl)";
561 # XXX: Tests will fail if all SSL/TLS
562 # protocols are disabled.
563 foreach my $proto (@tls)
565 $disabled{$proto} = "option(tls)";
568 elsif ($1 eq "static-engine")
570 delete $disabled{"dynamic-engine"};
572 elsif ($1 eq "dynamic-engine")
574 $disabled{"dynamic-engine"} = "option";
578 $disabled{$1} = "option";
580 # No longer an automatic choice
581 $auto_threads = 0 if ($1 eq "threads");
583 elsif (/^enable-(.+)$/)
585 if ($1 eq "static-engine")
587 $disabled{"dynamic-engine"} = "option";
589 elsif ($1 eq "dynamic-engine")
591 delete $disabled{"dynamic-engine"};
593 elsif ($1 eq "zlib-dynamic")
595 delete $disabled{"zlib"};
598 delete $disabled{$algo};
600 # No longer an automatic choice
601 $auto_threads = 0 if ($1 eq "threads");
603 elsif (/^--strict-warnings$/)
605 $strict_warnings = 1;
609 $config{build_type} = "debug";
611 elsif (/^--release$/)
613 $config{build_type} = "release";
616 { $config{processor}=386; }
623 # No RSAref support any more since it's not needed.
624 # The check for the option is there so scripts aren't
627 elsif (/^nofipscanistercheck$/)
630 $nofipscanistercheck = 1;
638 elsif (/^--prefix=(.*)$/)
641 die "Directory given with --prefix MUST be absolute\n"
642 unless file_name_is_absolute($config{prefix});
644 elsif (/^--api=(.*)$/)
648 elsif (/^--libdir=(.*)$/)
652 elsif (/^--openssldir=(.*)$/)
654 $config{openssldir}=$1;
656 elsif (/^--with-zlib-lib=(.*)$/)
658 $withargs{zlib_lib}=$1;
660 elsif (/^--with-zlib-include=(.*)$/)
662 $withargs{zlib_include}="-I$1";
664 elsif (/^--with-fipslibdir=(.*)$/)
666 $config{fipslibdir}="$1/";
668 elsif (/^--with-baseaddr=(.*)$/)
670 $config{baseaddr}="$1";
672 elsif (/^--cross-compile-prefix=(.*)$/)
674 $config{cross_compile_prefix}=$1;
676 elsif (/^--config=(.*)$/)
680 elsif (/^-[lL](.*)$/ or /^-Wl,/)
686 push @user_defines, $1;
688 else # common if (/^[-+]/), just pass down...
690 $_ =~ s/%([0-9a-f]{1,2})/chr(hex($1))/gei;
691 $user_cflags.=" ".$_;
696 die "target already defined - $target (offending arg: $_)\n" if ($target ne "");
699 unless ($_ eq $target || /^no-/ || /^disable-/)
701 # "no-..." follows later after implied disactivations
702 # have been derived. (Don't take this too seroiusly,
703 # we really only write OPTIONS to the Makefile out of
706 if ($config{options} eq "")
707 { $config{options} = $_; }
709 { $config{options} .= " ".$_; }
712 if (defined($config{api}) && !exists $apitable->{$config{api}}) {
713 die "***** Unsupported api compatibility level: $config{api}\n",
716 if (keys %deprecated_options)
718 warn "***** Deprecated options: ",
719 join(", ", keys %deprecated_options), "\n";
721 if (keys %unsupported_options)
723 die "***** Unsupported options: ",
724 join(", ", keys %unsupported_options), "\n";
730 delete $disabled{"shared"} if ($disabled{"shared"} =~ /^default/);
734 @{$config{dirs}} = grep !/^fips$/, @{$config{dirs}};
737 my @tocheckfor = (keys %disabled);
738 while (@tocheckfor) {
739 my %new_tocheckfor = ();
740 my @cascade_copy = (@disable_cascades);
741 while (@cascade_copy) {
742 my ($test, $descendents) = (shift @cascade_copy, shift @cascade_copy);
743 if (ref($test) eq "CODE" ? $test->() : defined($disabled{$test})) {
745 $new_tocheckfor{$_} => 1; $disabled{$_} = "forced";
746 } grep { !defined($disabled{$_}) } @$descendents;
749 @tocheckfor = (keys %new_tocheckfor);
752 if ($target eq "TABLE") {
753 foreach (sort keys %table) {
754 print_table_entry($_, "TABLE");
759 if ($target eq "LIST") {
760 foreach (sort keys %table) {
761 print $_,"\n" unless $table{$_}->{template};
766 if ($target eq "HASH") {
767 print "%table = (\n";
768 foreach (sort keys %table) {
769 print_table_entry($_, "HASH");
774 # Backward compatibility?
775 if ($target =~ m/^CygWin32(-.*)$/) {
776 $target = "Cygwin".$1;
779 foreach (sort (keys %disabled))
781 $config{options} .= " no-$_";
783 printf " no-%-12s %-10s", $_, "[$disabled{$_}]";
795 elsif (/^dynamic-engine$/)
797 elsif (/^zlib-dynamic$/)
803 @{$config{dirs}} = grep !/^engines$/, @{$config{dirs}};
804 @{$config{sdirs}} = grep !/^engine$/, @{$config{sdirs}};
805 push @{$config{openssl_other_defines}}, "OPENSSL_NO_ENGINE";
810 ($ALGO = $algo = $_) =~ tr/[\-a-z]/[_A-Z]/;
812 if (/^asm$/ || /^err$/ || /^hw$/ || /^hw-/ || /^async$/
813 || /^autoalginit/ || /^autoerrinit/)
815 push @{$config{openssl_other_defines}}, "OPENSSL_NO_$ALGO";
816 print " OPENSSL_NO_$ALGO";
818 if (/^err$/) { push @user_defines, "OPENSSL_NO_ERR"; }
822 ($ALGO,$algo) = ("RMD160","rmd160") if ($algo eq "ripemd");
824 push @{$config{openssl_algorithm_defines}}, "OPENSSL_NO_$ALGO";
825 print " OPENSSL_NO_$ALGO";
827 # fix-up crypto/directory name(s)
828 $algo="whrlpool" if $algo eq "whirlpool";
829 $algo="ripemd" if $algo eq "rmd160";
830 @{$config{sdirs}} = grep { $_ ne $algo} @{$config{sdirs}};
839 print "Configuring for $target\n";
841 # Support for legacy targets having a name starting with 'debug-'
842 my ($d, $t) = $target =~ m/^(debug-)?(.*)$/;
844 $config{build_type} = "debug";
846 # If we do not find debug-foo in the table, the target is set to foo.
847 if (!$table{$target}) {
851 $config{target} = $target;
852 my %target = resolve_config($target);
854 &usage if (!%target || $target{template});
856 %target = ( %{$table{DEFAULTS}}, %target );
858 $target{exe_extension}="";
859 $target{exe_extension}=".exe" if ($config{target} eq "DJGPP"
860 || $config{target} =~ /^(?:Cygwin|mingw)/);
861 $target{exe_extension}=".nlm" if ($config{target} =~ /netware/);
862 $target{exe_extension}=".pm" if ($config{target} =~ /vos/);
864 ($target{shared_extension_simple}=$target{shared_extension})
865 =~ s|\.\$\(SHLIB_MAJOR\)\.\$\(SHLIB_MINOR\)||;
866 $target{dso_extension}=$target{shared_extension_simple};
867 ($target{shared_import_extension}=$target{shared_extension_simple}.".a")
868 if ($config{target} =~ /^(?:Cygwin|mingw)/);
871 $config{cross_compile_prefix} = $ENV{'CROSS_COMPILE'}
872 if $config{cross_compile_prefix} eq "";
874 # Allow overriding the names of some tools. USE WITH CARE
875 $config{perl} = $ENV{'PERL'} || which("perl5") || which("perl") || "perl";
876 $target{cc} = $ENV{'CC'} || $target{cc} || "cc";
877 $target{ranlib} = $ENV{'RANLIB'} || $target{ranlib} || which("ranlib") || "true";
878 $target{ar} = $ENV{'AR'} || $target{ar} || "ar";
879 $target{nm} = $ENV{'NM'} || $target{nm} || "nm";
881 # For cflags, lflags, plib_lflags, ex_libs and defines, add the debug_
882 # or release_ attributes.
883 # Do it in such a way that no spurious space is appended (hence the grep).
884 $config{defines} = [];
885 $config{cflags} = "";
886 $config{ex_libs} = "";
887 $config{shared_ldflag} = "";
889 # Make sure build_scheme is consistent.
890 $target{build_scheme} = [ $target{build_scheme} ]
891 if ref($target{build_scheme}) ne "ARRAY";
893 ###### TO BE REMOVED BEFORE FINAL RELEASE
895 ###### If the user has chosen --unified, we give it to them.
896 ###### The same happens if we detect that they try to build out-of-source.
897 if ($target{build_file} eq "Makefile"
898 && $target{build_scheme}->[0] eq "unixmake"
899 && ($unified || $srcdir ne $blddir)) {
900 $target{build_scheme} = [ "unified", "unix" ];
903 my ($builder, $builder_platform, @builder_opts) =
904 @{$target{build_scheme}};
906 if ($target =~ /^mingw/ && `$target{cc} --target-help 2>&1` =~ m/-mno-cygwin/m)
908 $config{cflags} .= " -mno-cygwin";
909 $config{shared_ldflag} .= " -mno-cygwin";
912 if ($target =~ /linux.*-mips/ && !$disabled{asm} && $user_cflags !~ /-m(ips|arch=)/) {
913 # minimally required architecture flags for assembly modules
914 $config{cflags}="-mips2 $config{cflags}" if ($target =~ /mips32/);
915 $config{cflags}="-mips3 $config{cflags}" if ($target =~ /mips64/);
918 my $no_shared_warn=0;
919 my $no_user_cflags=0;
920 my $no_user_defines=0;
922 # The DSO code currently always implements all functions so that no
923 # applications will have to worry about that from a compilation point
924 # of view. However, the "method"s may return zero unless that platform
925 # has support compiled in for them. Currently each method is enabled
926 # by a define "DSO_<name>" ... we translate the "dso_scheme" config
927 # string entry into using the following logic;
928 if (!$disabled{dso} && $target{dso_scheme} ne "")
930 $target{dso_scheme} =~ tr/[a-z]/[A-Z]/;
931 if ($target{dso_scheme} eq "DLFCN")
933 unshift @{$config{defines}}, "DSO_DLFCN", "HAVE_DLFCN_H";
935 elsif ($target{dso_scheme} eq "DLFCN_NO_H")
937 unshift @{$config{defines}}, "DSO_DLFCN";
941 unshift @{$config{defines}}, "DSO_$target{dso_scheme}";
945 $config{ex_libs}="$libs$config{ex_libs}" if ($libs ne "");
951 @{$config{defines}} = grep !/^[BL]_ENDIAN$/, @{$config{defines}};
952 @{$target{defines}} = grep !/^[BL]_ENDIAN$/, @{$target{defines}};
956 # If threads aren't disabled, check how possible they are
957 unless ($disabled{threads}) {
959 # Enabled by default, disable it forcibly if unavailable
960 if ($target{thread_scheme} eq "(unknown)") {
961 $disabled{threads} = "unavailable";
964 # The user chose to enable threads explicitely, let's see
965 # if there's a chance that's possible
966 if ($target{thread_scheme} eq "(unknown)") {
967 # If the user asked for "threads" and we don't have internal
968 # knowledge how to do it, [s]he is expected to provide any
969 # system-dependent compiler options that are necessary. We
970 # can't truly check that the given options are correct, but
971 # we expect the user to know what [s]He is doing.
972 if ($no_user_cflags && $no_user_defines) {
973 die "You asked for multi-threading support, but didn't\n"
974 ,"provide any system-specific compiler options\n";
980 # If threads still aren't disabled, add a C macro to ensure the source
981 # code knows about it. Any other flag is taken care of by the configs.
982 unless($disabled{threads}) {
983 foreach (("defines", "openssl_thread_defines")) {
984 push @{$config{$_}}, "OPENSSL_THREADS";
988 # With "deprecated" disable all deprecated features.
989 if (defined($disabled{"deprecated"})) {
990 $config{api} = $maxapi;
993 if ($target{shared_target} eq "")
996 if ((!$disabled{shared} || !$disabled{"dynamic-engine"})
998 $disabled{shared} = "no-shared-target";
999 $disabled{pic} = $disabled{shared} = $disabled{"dynamic-engine"} =
1003 if ($disabled{"dynamic-engine"}) {
1004 push @{$config{defines}}, "OPENSSL_NO_DYNAMIC_ENGINE";
1005 $config{dynamic_engines} = 0;
1007 push @{$config{defines}}, "OPENSSL_NO_STATIC_ENGINE";
1008 $config{dynamic_engines} = 1;
1015 # This saves the build files from having to check
1018 $target{shared_cflag} = $target{shared_ldflag} =
1019 $target{shared_rcflag} = "";
1023 push @{$config{defines}}, "OPENSSL_PIC";
1026 if ($target{sys_id} ne "")
1028 push @{$config{openssl_sys_defines}}, "OPENSSL_SYS_$target{sys_id}";
1031 unless ($disabled{asm}) {
1032 $target{cpuid_asm_src}=$table{DEFAULTS}->{cpuid_asm_src} if ($config{processor} eq "386");
1033 $target{bn_asm_src} =~ s/\w+-gf2m.c// if (defined($disabled{ec2m}));
1035 # bn-586 is the only one implementing bn_*_part_words
1036 push @{$config{defines}}, "OPENSSL_BN_ASM_PART_WORDS" if ($target{bn_asm_src} =~ /bn-586/);
1037 push @{$config{defines}}, "OPENSSL_IA32_SSE2" if (!$no_sse2 && $target{bn_asm_src} =~ /86/);
1039 push @{$config{defines}}, "OPENSSL_BN_ASM_MONT" if ($target{bn_asm_src} =~ /-mont/);
1040 push @{$config{defines}}, "OPENSSL_BN_ASM_MONT5" if ($target{bn_asm_src} =~ /-mont5/);
1041 push @{$config{defines}}, "OPENSSL_BN_ASM_GF2m" if ($target{bn_asm_src} =~ /-gf2m/);
1043 if ($config{fips}) {
1044 push @{$config{openssl_other_defines}}, "OPENSSL_FIPS";
1047 if ($target{sha1_asm_src}) {
1048 push @{$config{defines}}, "SHA1_ASM" if ($target{sha1_asm_src} =~ /sx86/ || $target{sha1_asm_src} =~ /sha1/);
1049 push @{$config{defines}}, "SHA256_ASM" if ($target{sha1_asm_src} =~ /sha256/);
1050 push @{$config{defines}}, "SHA512_ASM" if ($target{sha1_asm_src} =~ /sha512/);
1052 if ($target{md5_asm_src}) {
1053 push @{$config{defines}}, "MD5_ASM";
1055 $target{cast_asm_src}=$table{DEFAULTS}->{cast_asm_src} unless $disabled{pic}; # CAST assembler is not PIC
1056 if ($target{rmd160_asm_src}) {
1057 push @{$config{defines}}, "RMD160_ASM";
1059 if ($target{aes_asm_src}) {
1060 push @{$config{defines}}, "AES_ASM" if ($target{aes_asm_src} =~ m/\baes-/);;
1061 # aes-ctr.fake is not a real file, only indication that assembler
1062 # module implements AES_ctr32_encrypt...
1063 push @{$config{defines}}, "AES_CTR_ASM" if ($target{aes_asm_src} =~ s/\s*aes-ctr\.fake//);
1064 # aes-xts.fake indicates presence of AES_xts_[en|de]crypt...
1065 push @{$config{defines}}, "AES_XTS_ASM" if ($target{aes_asm_src} =~ s/\s*aes-xts\.fake//);
1066 $target{aes_asm_src} =~ s/\s*(vpaes|aesni)-x86\.s//g if ($no_sse2);
1067 push @{$config{defines}}, "VPAES_ASM" if ($target{aes_asm_src} =~ m/vpaes/);
1068 push @{$config{defines}}, "BSAES_ASM" if ($target{aes_asm_src} =~ m/bsaes/);
1070 if ($target{wp_asm_src} =~ /mmx/) {
1071 if ($config{processor} eq "386") {
1072 $target{wp_asm_src}=$table{DEFAULTS}->{wp_asm_src};
1073 } elsif (!$disabled{"whirlpool"}) {
1074 push @{$config{defines}}, "WHIRLPOOL_ASM";
1077 if ($target{modes_asm_src} =~ /ghash-/) {
1078 push @{$config{defines}}, "GHASH_ASM";
1080 if ($target{ec_asm_src} =~ /ecp_nistz256/) {
1081 push @{$config{defines}}, "ECP_NISTZ256_ASM";
1083 if ($target{poly1305_asm_src} ne "") {
1084 push @{$config{defines}}, "POLY1305_ASM";
1088 my $ecc = $target{cc};
1090 # Is the compiler gcc or clang? $ecc is used below to see if
1091 # error-checking can be turned on.
1092 my $ccpcc = "$config{cross_compile_prefix}$target{cc}";
1093 $config{makedepprog} = 'makedepend';
1094 open(PIPE, "$ccpcc --version 2>&1 | head -2 |");
1096 $config{makedepprog} = $ccpcc if /clang|gcc/;
1097 $ecc = "clang" if /clang/;
1098 $ecc = "gcc" if /gcc/;
1104 # Deal with bn_ops ###################################################
1107 $config{export_var_as_fn} =0;
1108 my $def_int="unsigned int";
1109 $config{rc4_int} =$def_int;
1110 ($config{b64l},$config{b64},$config{b32})=(0,0,1);
1113 foreach (sort split(/\s+/,$target{bn_ops})) {
1114 $count++ if /SIXTY_FOUR_BIT|SIXTY_FOUR_BIT_LONG|THIRTY_TWO_BIT/;
1115 $config{export_var_as_fn}=1 if $_ eq 'EXPORT_VAR_AS_FN';
1116 $config{bn_ll}=1 if $_ eq 'BN_LLONG';
1117 $config{rc4_int}="unsigned char" if $_ eq 'RC4_CHAR';
1118 ($config{b64l},$config{b64},$config{b32})
1119 =(0,1,0) if $_ eq 'SIXTY_FOUR_BIT';
1120 ($config{b64l},$config{b64},$config{b32})
1121 =(1,0,0) if $_ eq 'SIXTY_FOUR_BIT_LONG';
1122 ($config{b64l},$config{b64},$config{b32})
1123 =(0,0,1) if $_ eq 'THIRTY_TWO_BIT';
1125 die "Exactly one of SIXTY_FOUR_BIT|SIXTY_FOUR_BIT_LONG|THIRTY_TWO_BIT can be set in bn_ops\n"
1129 # Hack cflags for better warnings (dev option) #######################
1131 # "Stringify" the C flags string. This permits it to be made part of a string
1132 # and works as well on command lines.
1133 $config{cflags} =~ s/([\\\"])/\\\1/g;
1135 if (defined($config{api})) {
1136 $config{openssl_api_defines} = [ "OPENSSL_MIN_API=".$apitable->{$config{api}} ];
1137 my $apiflag = sprintf("OPENSSL_API_COMPAT=%s", $apitable->{$config{api}});
1138 push @{$config{defines}}, $apiflag;
1141 if ($strict_warnings)
1144 die "ERROR --strict-warnings requires gcc or clang"
1145 unless $ecc eq 'gcc' || $ecc eq 'clang';
1146 foreach $wopt (split /\s+/, $gcc_devteam_warn)
1148 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1150 if ($ecc eq "clang")
1152 foreach $wopt (split /\s+/, $clang_devteam_warn)
1154 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1159 unless ($disabled{"crypto-mdebug-backtrace"})
1161 foreach my $wopt (split /\s+/, $memleak_devteam_backtrace)
1163 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1165 if ($target =~ /^BSD-/)
1167 $config{ex_libs} .= " -lexecinfo";
1171 if ($user_cflags ne "") { $config{cflags}="$config{cflags}$user_cflags"; }
1172 else { $no_user_cflags=1; }
1173 if (@user_defines) { $config{defines}=[ @{$config{defines}}, @user_defines ]; }
1174 else { $no_user_defines=1; }
1176 # ALL MODIFICATIONS TO %config and %target MUST BE DONE FROM HERE ON
1179 if ($target =~ m/^linux/) {
1180 my $minver = 4*10000 + 1*100 + 0;
1181 if ($config{cross_compile_prefix} eq "") {
1182 my $verstr = `uname -r`;
1183 my ($ma, $mi1, $mi2) = split("\\.", $verstr);
1184 ($mi2) = $mi2 =~ /(\d+)/;
1185 my $ver = $ma*10000 + $mi1*100 + $mi2;
1186 if ($ver >= $minver) {
1187 $config{afalg}="afalg";
1189 push @{$config{openssl_other_defines}}, "OPENSSL_NO_AFALGENG";
1193 push @{$config{engdirs}}, $config{afalg};
1195 # If we use the unified build, collect information from build.info files
1196 my %unified_info = ();
1198 if ($builder eq "unified") {
1199 # Store the name of the template file we will build the build file from
1200 # in %config. This may be useful for the build file itself.
1201 my $build_file_template =
1202 catfile($srcdir, "Configurations",
1203 $builder_platform."-".$target{build_file}.".tmpl");
1204 $build_file_template =
1205 catfile($srcdir, "Configurations", $target{build_file}.".tmpl")
1206 if (! -f $build_file_template);
1207 $config{build_file_template} = $build_file_template;
1209 use lib catdir(dirname(__FILE__),"util");
1210 use with_fallback qw(Text::Template);
1215 my $relativeto = shift || ".";
1217 $dir = catdir($base,$dir) unless isabsolute($dir);
1219 # Make sure the directories we're building in exists
1222 my $res = abs2rel(absolutedir($dir), rel2abs($relativeto));
1223 #print STDERR "DEBUG[cleandir]: $dir , $base => $res\n";
1230 my $relativeto = shift || ".";
1232 $file = catfile($base,$file) unless isabsolute($file);
1234 my $d = dirname($file);
1235 my $f = basename($file);
1237 # Make sure the directories we're building in exists
1240 my $res = abs2rel(catfile(absolutedir($d), $f), rel2abs($relativeto));
1241 #print STDERR "DEBUG[cleanfile]: $d , $f => $res\n";
1245 my @build_infos = ( [ ".", "build.info" ] );
1246 foreach (@{$config{dirs}}) {
1247 push @build_infos, [ $_, "build.info" ]
1248 if (-f catfile($srcdir, $_, "build.info"));
1250 foreach (@{$config{sdirs}}) {
1251 push @build_infos, [ catdir("crypto", $_), "build.info" ]
1252 if (-f catfile($srcdir, "crypto", $_, "build.info"));
1254 foreach (@{$config{engdirs}}) {
1255 push @build_infos, [ catdir("engines", $_), "build.info" ]
1256 if (-f catfile($srcdir, "engines", $_, "build.info"));
1259 $config{build_infos} = [ ];
1261 foreach (@build_infos) {
1262 my $sourced = catdir($srcdir, $_->[0]);
1263 my $buildd = catdir($blddir, $_->[0]);
1268 # The basic things we're trying to build
1274 my @intermediates = ();
1282 my %sharednames = ();
1284 push @{$config{build_infos}}, catfile(abs2rel($sourced, $blddir), $f);
1285 my $template = Text::Template->new(TYPE => 'FILE',
1286 SOURCE => catfile($sourced, $f));
1287 die "Something went wrong with $sourced/$f: $!\n" unless $template;
1290 $template->fill_in(HASH => { config => \%config,
1292 disabled => \%disabled,
1293 builddir => abs2rel($buildd, $blddir),
1294 sourcedir => abs2rel($sourced, $blddir),
1295 buildtop => abs2rel($blddir, $blddir),
1296 sourcetop => abs2rel($srcdir, $blddir) },
1297 DELIMITERS => [ "{-", "-}" ]);
1299 # The top item of this stack has the following values
1300 # -2 positive already run and we found ELSE (following ELSIF should fail)
1301 # -1 positive already run (skip until ENDIF)
1302 # 0 negatives so far (if we're at a condition, check it)
1303 # 1 last was positive (don't skip lines until next ELSE, ELSIF or ENDIF)
1304 # 2 positive ELSE (following ELSIF should fail)
1306 collect_information(
1307 collect_from_array([ @text ],
1308 qr/\\$/ => sub { my $l1 = shift; my $l2 = shift;
1309 $l1 =~ s/\\$//; $l1.$l2 }),
1310 # Info we're looking for
1311 qr/^\s*IF\[((?:\\.|[^\\\]])*)\]\s*$/
1312 => sub { push @skip, !! $1; },
1313 qr/^\s*ELSIF\[((?:\\.|[^\\\]])*)\]\s*$/
1314 => sub { die "ELSIF out of scope" if ! @skip;
1315 die "ELSIF following ELSE" if abs($skip[$#skip]) == 2;
1316 $skip[$#skip] = -1 if $skip[$#skip] != 0;
1317 $skip[$#skip] = !! $1
1318 if $skip[$#skip] == 0; },
1320 => sub { die "ELSE out of scope" if ! @skip;
1321 $skip[$#skip] = -2 if $skip[$#skip] != 0;
1322 $skip[$#skip] = 2 if $skip[$#skip] == 0; },
1324 => sub { die "ENDIF out of scope" if ! @skip;
1326 qr/^\s*PROGRAMS\s*=\s*(.*)\s*$/
1327 => sub { push @programs, split(/\s+/, $1)
1328 if !@skip || $skip[$#skip] > 0 },
1329 qr/^\s*LIBS\s*=\s*(.*)\s*$/
1330 => sub { push @libraries, split(/\s+/, $1)
1331 if !@skip || $skip[$#skip] > 0 },
1332 qr/^\s*ENGINES\s*=\s*(.*)\s*$/
1333 => sub { push @engines, split(/\s+/, $1)
1334 if !@skip || $skip[$#skip] > 0 },
1335 qr/^\s*SCRIPTS\s*=\s*(.*)\s*$/
1336 => sub { push @scripts, split(/\s+/, $1)
1337 if !@skip || $skip[$#skip] > 0 },
1338 qr/^\s*EXTRA\s*=\s*(.*)\s*$/
1339 => sub { push @extra, split(/\s+/, $1)
1340 if !@skip || $skip[$#skip] > 0 },
1342 qr/^\s*ORDINALS\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/,
1343 => sub { push @{$ordinals{$1}}, split(/\s+/, $2)
1344 if !@skip || $skip[$#skip] > 0 },
1345 qr/^\s*SOURCE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1346 => sub { push @{$sources{$1}}, split(/\s+/, $2)
1347 if !@skip || $skip[$#skip] > 0 },
1348 qr/^\s*INCLUDE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1349 => sub { push @{$includes{$1}}, split(/\s+/, $2)
1350 if !@skip || $skip[$#skip] > 0 },
1351 qr/^\s*DEPEND\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1352 => sub { push @{$depends{$1}}, split(/\s+/, $2)
1353 if !@skip || $skip[$#skip] > 0 },
1354 qr/^\s*RENAME\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1355 => sub { push @{$renames{$1}}, split(/\s+/, $2)
1356 if !@skip || $skip[$#skip] > 0 },
1357 qr/^\s*SHARED_NAME\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1358 => sub { push @{$sharednames{$1}}, split(/\s+/, $2)
1359 if !@skip || $skip[$#skip] > 0 },
1360 qr/^\s*BEGINRAW\[((?:\\.|[^\\\]])+)\]\s*$/
1362 my $lineiterator = shift;
1363 my $target_kind = $1;
1364 while (defined $lineiterator->()) {
1366 if (/^\s*ENDRAW\[((?:\\.|[^\\\]])+)\]\s*$/) {
1367 die "ENDRAW doesn't match BEGINRAW"
1368 if $1 ne $target_kind;
1371 next if @skip && $skip[$#skip] <= 0;
1373 if ($target_kind eq $target{build_file}
1374 || $target_kind eq $target{build_file}."(".$builder_platform.")");
1377 qr/^(?:#.*|\s*)$/ => sub { },
1378 "OTHERWISE" => sub { die "Something wrong with this line:\n$_\nat $sourced/$f" }
1380 die "runaway IF?" if (@skip);
1382 foreach (keys %renames) {
1383 die "$_ renamed to more than one thing: "
1384 ,join(" ", @{$renames{$_}}),"\n"
1385 if scalar @{$renames{$_}} > 1;
1386 my $dest = cleanfile($buildd, $_, $blddir);
1387 my $to = cleanfile($buildd, $renames{$_}->[0], $blddir);
1388 die "$dest renamed to more than one thing: "
1389 ,$unified_info{rename}->{$dest}, $to
1390 unless !defined($unified_info{rename}->{$dest})
1391 or $unified_info{rename}->{$dest} eq $to;
1392 $unified_info{rename}->{$dest} = $to;
1395 foreach (@programs) {
1396 my $program = cleanfile($buildd, $_, $blddir);
1397 if ($unified_info{rename}->{$program}) {
1398 $program = $unified_info{rename}->{$program};
1400 $unified_info{programs}->{$program} = 1;
1403 foreach (@libraries) {
1404 my $library = cleanfile($buildd, $_, $blddir);
1405 if ($unified_info{rename}->{$library}) {
1406 $library = $unified_info{rename}->{$library};
1408 $unified_info{libraries}->{$library} = 1;
1411 die <<"EOF" if scalar @engines and !$config{dynamic_engines};
1412 ENGINES can only be used if configured with 'dynamic-engine'.
1413 This is usually a fault in a build.info file.
1415 foreach (@engines) {
1416 my $library = cleanfile($buildd, $_, $blddir);
1417 if ($unified_info{rename}->{$library}) {
1418 $library = $unified_info{rename}->{$library};
1420 $unified_info{engines}->{$library} = 1;
1423 foreach (@scripts) {
1424 my $script = cleanfile($buildd, $_, $blddir);
1425 if ($unified_info{rename}->{$script}) {
1426 $script = $unified_info{rename}->{$script};
1428 $unified_info{scripts}->{$script} = 1;
1432 my $extra = cleanfile($buildd, $_, $blddir);
1433 $unified_info{extra}->{$extra} = 1;
1436 push @{$unified_info{rawlines}}, @rawlines;
1438 unless ($disabled{shared}) {
1439 # Check sharednames.
1440 foreach (keys %sharednames) {
1441 my $dest = cleanfile($buildd, $_, $blddir);
1442 if ($unified_info{rename}->{$dest}) {
1443 $dest = $unified_info{rename}->{$dest};
1445 die "shared_name for $dest with multiple values: "
1446 ,join(" ", @{$sharednames{$_}}),"\n"
1447 if scalar @{$sharednames{$_}} > 1;
1448 my $to = cleanfile($buildd, $sharednames{$_}->[0], $blddir);
1449 die "shared_name found for a library $dest that isn't defined\n"
1450 unless $unified_info{libraries}->{$dest};
1451 die "shared_name for $dest with multiple values: "
1452 ,$unified_info{sharednames}->{$dest}, ", ", $to
1453 unless !defined($unified_info{sharednames}->{$dest})
1454 or $unified_info{sharednames}->{$dest} eq $to;
1455 $unified_info{sharednames}->{$dest} = $to;
1458 # Additionally, we set up sharednames for libraries that don't
1459 # have any, as themselves.
1460 foreach (keys %{$unified_info{libraries}}) {
1461 if (!defined $unified_info{sharednames}->{$_}) {
1462 $unified_info{sharednames}->{$_} = $_
1467 foreach (keys %ordinals) {
1469 my $ddest = cleanfile($buildd, $_, $blddir);
1470 if ($unified_info{rename}->{$ddest}) {
1471 $ddest = $unified_info{rename}->{$ddest};
1473 foreach (@{$ordinals{$dest}}) {
1474 my %known_ordinals =
1477 cleanfile($sourced, catfile("util", "libcrypto.num"), $blddir),
1479 cleanfile($sourced, catfile("util", "libssl.num"), $blddir)
1481 my $o = $known_ordinals{$_};
1482 die "Ordinals for $ddest defined more than once\n"
1483 if $unified_info{ordinals}->{$ddest};
1484 $unified_info{ordinals}->{$ddest} = [ $_, $o ];
1488 foreach (keys %sources) {
1490 my $ddest = cleanfile($buildd, $_, $blddir);
1491 if ($unified_info{rename}->{$ddest}) {
1492 $ddest = $unified_info{rename}->{$ddest};
1494 foreach (@{$sources{$dest}}) {
1495 my $s = cleanfile($sourced, $_, $blddir);
1497 # If it isn't in the source tree, we assume it's generated
1500 $s = cleanfile($buildd, $_, $blddir);
1502 # We recognise C and asm files
1503 if ($s =~ /\.[csS]\b$/) {
1504 (my $o = $_) =~ s/\.[csS]\b$/.o/;
1505 $o = cleanfile($buildd, $o, $blddir);
1506 $unified_info{sources}->{$ddest}->{$o} = 1;
1507 $unified_info{sources}->{$o}->{$s} = 1;
1509 $unified_info{sources}->{$ddest}->{$s} = 1;
1514 foreach (keys %depends) {
1516 my $ddest = cleanfile($buildd, $_, $blddir);
1517 if ($unified_info{rename}->{$ddest}) {
1518 $ddest = $unified_info{rename}->{$ddest};
1520 foreach (@{$depends{$dest}}) {
1521 my $d = cleanfile($sourced, $_, $blddir);
1523 # If we know it's generated, or assume it is because we can't
1524 # find it in the source tree, we set file we depend on to be
1525 # in the build tree rather than the source tree, and assume
1526 # and that there are lines to build it in a BEGINRAW..ENDRAW
1527 # section or in the Makefile template.
1529 || !(grep { $d eq $_ }
1530 map { cleanfile($srcdir, $_, $blddir) }
1531 (@generated_headers, @generated_by_make_headers))) {
1532 $d = cleanfile($buildd, $_, $blddir);
1534 # Take note if the file to depend on is being renamed
1535 if ($unified_info{rename}->{$d}) {
1536 $d = $unified_info{rename}->{$d};
1538 $unified_info{depends}->{$ddest}->{$d} = 1;
1539 # If we depend on a header file, let's make sure it
1542 my $i = dirname($d);
1543 push @{$unified_info{includes}->{$ddest}}, $i
1544 unless grep { $_ eq $i } @{$unified_info{includes}->{$ddest}};
1549 foreach (keys %includes) {
1551 my $ddest = cleanfile($buildd, $_, $blddir);
1552 if ($unified_info{rename}->{$ddest}) {
1553 $ddest = $unified_info{rename}->{$ddest};
1555 foreach (@{$includes{$dest}}) {
1556 my $i = cleandir($sourced, $_, $blddir);
1557 push @{$unified_info{includes}->{$ddest}}, $i
1558 unless grep { $_ eq $i } @{$unified_info{includes}->{$ddest}};
1563 ### Make unified_info a bit more efficient
1564 # One level structures
1565 foreach (("programs", "libraries", "engines", "scripts", "extra")) {
1566 $unified_info{$_} = [ sort keys %{$unified_info{$_}} ];
1568 # Two level structures
1569 foreach my $l1 (("sources", "ldadd", "depends")) {
1570 foreach my $l2 (sort keys %{$unified_info{$l1}}) {
1571 $unified_info{$l1}->{$l2} =
1572 [ sort keys %{$unified_info{$l1}->{$l2}} ];
1577 # For the schemes that need it, we provide the old *_obj configs
1578 # from the *_asm_obj ones
1579 foreach (grep /_(asm|aux)_src$/, keys %target) {
1581 (my $obj = $_) =~ s/_(asm|aux)_src$/_obj/;
1582 ($target{$obj} = $target{$src}) =~ s/\.[csS]\b/.o/g;
1585 # Write down our configuration where it fits #########################
1587 open(OUT,">configdata.pm") || die "unable to create configdata.pm: $!\n";
1595 #use vars qw(\@ISA \@EXPORT);
1596 our \@ISA = qw(Exporter);
1597 our \@EXPORT = qw(\%config \%target %disabled %withargs %unified_info);
1600 print OUT "our %config = (\n";
1601 foreach (sort keys %config) {
1602 if (ref($config{$_}) eq "ARRAY") {
1603 print OUT " ", $_, " => [ ", join(", ",
1604 map { quotify("perl", $_) }
1605 @{$config{$_}}), " ],\n";
1607 print OUT " ", $_, " => ", quotify("perl", $config{$_}), ",\n"
1614 print OUT "our %target = (\n";
1615 foreach (sort keys %target) {
1616 if (ref($target{$_}) eq "ARRAY") {
1617 print OUT " ", $_, " => [ ", join(", ",
1618 map { quotify("perl", $_) }
1619 @{$target{$_}}), " ],\n";
1621 print OUT " ", $_, " => ", quotify("perl", $target{$_}), ",\n"
1628 print OUT "our \%available_protocols = (\n";
1629 print OUT " tls => [ ", join(", ", map { quotify("perl", $_) } @tls), " ],\n";
1630 print OUT " dtls => [ ", join(", ", map { quotify("perl", $_) } @dtls), " ],\n";
1635 print OUT "our \%disabled = (\n";
1636 foreach (sort keys %disabled) {
1637 print OUT " ", quotify("perl", $_), " => ", quotify("perl", $disabled{$_}), ",\n";
1643 print OUT "our %withargs = (\n";
1644 foreach (sort keys %withargs) {
1645 if (ref($withargs{$_}) eq "ARRAY") {
1646 print OUT " ", $_, " => [ ", join(", ",
1647 map { quotify("perl", $_) }
1648 @{$withargs{$_}}), " ],\n";
1650 print OUT " ", $_, " => ", quotify("perl", $withargs{$_}), ",\n"
1657 if ($builder eq "unified") {
1662 if (ref $_ eq "ARRAY") {
1663 print OUT " "x$indent, "[\n";
1665 $recurse->($indent + 4, $_);
1667 print OUT " "x$indent, "],\n";
1668 } elsif (ref $_ eq "HASH") {
1670 print OUT " "x$indent, "{\n";
1671 foreach (sort keys %h) {
1672 if (ref $h{$_} eq "") {
1673 print OUT " "x($indent + 4), quotify("perl", $_), " => ", quotify("perl", $h{$_}), ",\n";
1675 print OUT " "x($indent + 4), quotify("perl", $_), " =>\n";
1676 $recurse->($indent + 8, $h{$_});
1679 print OUT " "x$indent, "},\n";
1681 print OUT " "x$indent, quotify("perl", $_), ",\n";
1685 print OUT "our %unified_info = (\n";
1686 foreach (sort keys %unified_info) {
1687 if (ref $unified_info{$_} eq "") {
1688 print OUT " "x4, quotify("perl", $_), " => ", quotify("perl", $unified_info{$_}), ",\n";
1690 print OUT " "x4, quotify("perl", $_), " =>\n";
1691 $recurse->(8, $unified_info{$_});
1703 print "IsMK1MF =", ($builder eq "mk1mf" ? "yes" : "no"), "\n";
1704 print "CC =$target{cc}\n";
1705 print "CFLAG =$target{cflags} $config{cflags}\n";
1706 print "DEFINES =",join(" ", @{$target{defines}}, @{$config{defines}}),"\n";
1707 print "LFLAG =$target{lflags}\n";
1708 print "PLIB_LFLAG =$target{plib_lflags}\n";
1709 print "EX_LIBS =$target{ex_libs} $config{ex_libs}\n";
1710 print "APPS_OBJ =$target{apps_obj}\n";
1711 print "CPUID_OBJ =$target{cpuid_obj}\n";
1712 print "UPLINK_OBJ =$target{uplink_obj}\n";
1713 print "BN_ASM =$target{bn_obj}\n";
1714 print "EC_ASM =$target{ec_obj}\n";
1715 print "DES_ENC =$target{des_obj}\n";
1716 print "AES_ENC =$target{aes_obj}\n";
1717 print "BF_ENC =$target{bf_obj}\n";
1718 print "CAST_ENC =$target{cast_obj}\n";
1719 print "RC4_ENC =$target{rc4_obj}\n";
1720 print "RC5_ENC =$target{rc5_obj}\n";
1721 print "MD5_OBJ_ASM =$target{md5_obj}\n";
1722 print "SHA1_OBJ_ASM =$target{sha1_obj}\n";
1723 print "RMD160_OBJ_ASM=$target{rmd160_obj}\n";
1724 print "CMLL_ENC =$target{cmll_obj}\n";
1725 print "MODES_OBJ =$target{modes_obj}\n";
1726 print "PADLOCK_OBJ =$target{padlock_obj}\n";
1727 print "CHACHA_ENC =$target{chacha_obj}\n";
1728 print "POLY1305_OBJ =$target{poly1305_obj}\n";
1729 print "PROCESSOR =$config{processor}\n";
1730 print "RANLIB =$target{ranlib}\n";
1731 print "ARFLAGS =$target{arflags}\n";
1732 print "PERL =$config{perl}\n";
1734 print "SIXTY_FOUR_BIT_LONG mode\n" if $config{b64l};
1735 print "SIXTY_FOUR_BIT mode\n" if $config{b64};
1736 print "THIRTY_TWO_BIT mode\n" if $config{b32};
1737 print "BN_LLONG mode\n" if $config{bn_ll};
1738 print "RC4 uses $config{rc4_int}\n" if $config{rc4_int} != $def_int;
1740 for (@generated_headers) {
1741 mkpath(catdir($blddir, dirname($_)));
1742 run_dofile(catfile($blddir, $_),
1743 catfile($srcdir, $_.".in"));
1747 ### When the old "unixmake" scheme goes away, so does this function
1749 sub build_Makefile {
1750 run_dofile("Makefile","Makefile.in");
1752 # Copy all Makefile.in to Makefile (except top-level)
1761 return if ($_ ne "Makefile.in" || $File::Find::dir eq ".");
1762 my $in = IO::File->new($_, "r") or
1763 die sprintf "Error reading Makefile.in in %s: !$\n",
1765 my $out = IO::File->new("Makefile", "w") or
1766 die sprintf "Error writing Makefile in %s: !$\n",
1768 print $out "# Generated from $_, do not edit\n";
1769 while (my $line = <$in>) { print $out $line }
1771 die sprintf "Error reading Makefile.in in %s: !$\n",
1774 die sprintf "Error writing Makefile in %s: !$\n",
1783 run_dofile(catfile($blddir, $target{build_file}),
1784 $config{build_file_template},
1785 catfile($srcdir, "Configurations", "common.tmpl"));
1790 run_dofile("util/domd", "util/domd.in");
1791 chmod 0755, "util/domd";
1794 my $platform = shift;
1795 # The only reason we do this is to have something to build MINFO from
1798 # create the ms/version32.rc file if needed
1799 if ($platform ne "netware") {
1800 my ($v1, $v2, $v3, $v4);
1801 if ($config{version_num} =~ /^0x([0-9a-f]{1})([0-9a-f]{2})([0-9a-f]{2})([0-9a-f]{2})([0-9a-f]{1})L$/i) {
1807 open (OUT,">ms/version32.rc") || die "Can't open ms/version32.rc";
1814 FILEVERSION $v1,$v2,$v3,$v4
1815 PRODUCTVERSION $v1,$v2,$v3,$v4
1822 FILEOS VOS__WINDOWS32
1826 BLOCK "StringFileInfo"
1831 VALUE "CompanyName", "The OpenSSL Project, http://www.openssl.org/\\0"
1832 VALUE "FileDescription", "OpenSSL Shared Library\\0"
1833 VALUE "FileVersion", "$config{version}\\0"
1835 VALUE "InternalName", "libcrypto32\\0"
1836 VALUE "OriginalFilename", "libcrypto32.dll\\0"
1838 VALUE "InternalName", "libssl32\\0"
1839 VALUE "OriginalFilename", "libssl32.dll\\0"
1841 VALUE "ProductName", "The OpenSSL Toolkit\\0"
1842 VALUE "ProductVersion", "$config{version}\\0"
1844 //VALUE "Comments", "\\0"
1845 VALUE "LegalCopyright", "Copyright © 1998-2015 The OpenSSL Project. Copyright © 1995-1998 Eric A. Young, Tim J. Hudson. All rights reserved.\\0"
1846 //VALUE "LegalTrademarks", "\\0"
1847 //VALUE "PrivateBuild", "\\0"
1848 //VALUE "SpecialBuild", "\\0"
1853 VALUE "Translation", 0x409, 0x4b0
1862 $builders{$builder}->($builder_platform, @builder_opts);
1866 Configured for $target.
1869 print <<"EOF" if ($disabled{threads} eq "unavailable");
1871 The library could not be configured for supporting multi-threaded
1872 applications as the compiler options required on this system are not known.
1873 See file INSTALL for details if you need multi-threading.
1876 print <<"EOF" if ($no_shared_warn);
1878 The options 'shared', 'pic' and 'dynamic-engine' aren't supported on this
1879 platform, so we will pretend you gave the option 'no-pic', which also disables
1880 'shared' and 'dynamic-engine'. If you know how to implement shared libraries
1881 or position independent code, please let us know (but please first make sure
1882 you have tried with a current version of OpenSSL).
1885 ###### TO BE REMOVED BEFORE FINAL RELEASE
1887 ###### If the user hasn't chosen --unified, try to nudge them.
1888 if ($target{build_file} eq "Makefile"
1889 && $target{build_scheme}->[0] eq "unixmake"
1892 my $plausible_builddir =
1893 abs2rel(rel2abs("../_openssl-build_$target"),rel2abs("."));
1894 my $plausible_to_sourcedir =
1895 abs2rel(rel2abs("."),rel2abs("../_openssl-build_$target"));
1898 ----------------------------------------------------------------------
1899 Please consider configuring with the flag --unified .
1900 It's to test out a new "unified" building system.
1902 One cool feature is that you can have your build directory elsewhere,
1905 make clean # Clean the current configuration away
1906 mkdir $plausible_builddir
1907 cd $plausible_builddir
1908 $plausible_to_sourcedir/config --unified
1912 Please report any problem you have.
1913 ----------------------------------------------------------------------
1920 ######################################################################
1922 # Helpers and utility functions
1925 # Configuration file reading #########################################
1927 # Helper function to implement conditional inheritance depending on the
1928 # value of $disabled{asm}. Used in inherit_from values as follows:
1930 # inherit_from => [ "template", asm("asm_tmpl") ]
1935 $disabled{asm} ? () : @x;
1939 our $add_called = 0;
1940 # Helper function to implement adding values to already existing configuration
1941 # values. It handles elements that are ARRAYs, CODEs and scalars
1943 my $separator = shift;
1945 # If there's any ARRAY in the collection of values OR the separator
1946 # is undef, we will return an ARRAY of combined values, otherwise a
1947 # string of joined values with $separator as the separator.
1948 my $found_array = !defined($separator);
1953 while (ref($res) eq "CODE") {
1956 if (defined($res)) {
1957 if (ref($res) eq "ARRAY") {
1973 join($separator, grep { defined($_) && $_ ne "" } @values);
1977 my $separator = " ";
1978 if (ref($_[$#_]) eq "HASH") {
1980 $separator = $opts->{separator};
1983 sub { _add($separator, @x, @_) };
1986 my $separator = " ";
1987 if (ref($_[$#_]) eq "HASH") {
1989 $separator = $opts->{separator};
1992 sub { _add($separator, @_, @x) };
1995 # configuration reader, evaluates the input file as a perl script and expects
1996 # it to fill %targets with target configurations. Those are then added to
2000 open(CONFFILE, "< $fname")
2001 or die "Can't open configuration file '$fname'!\n";
2004 my $content = <CONFFILE>;
2009 local %table = %::table; # Protect %table from tampering
2015 # For each target, check that it's configured with a hash table.
2016 foreach (keys %targets) {
2017 if (ref($targets{$_}) ne "HASH") {
2018 if (ref($targets{$_}) eq "") {
2019 warn "Deprecated target configuration for $_, ignoring...\n";
2021 warn "Misconfigured target configuration for $_ (should be a hash table), ignoring...\n";
2023 delete $targets{$_};
2027 %table = (%table, %targets);
2031 # configuration resolver. Will only resolve all the lazy evalutation
2032 # codeblocks for the chozen target and all those it inherits from,
2034 sub resolve_config {
2036 my @breadcrumbs = @_;
2038 my $extra_checks = defined($ENV{CONFIGURE_EXTRA_CHECKS});
2040 if (grep { $_ eq $target } @breadcrumbs) {
2041 die "inherit_from loop! target backtrace:\n "
2042 ,$target,"\n ",join("\n ", @breadcrumbs),"\n";
2045 if (!defined($table{$target})) {
2046 warn "Warning! target $target doesn't exist!\n";
2049 # Recurse through all inheritances. They will be resolved on the
2050 # fly, so when this operation is done, they will all just be a
2051 # bunch of attributes with string values.
2052 # What we get here, though, are keys with references to lists of
2053 # the combined values of them all. We will deal with lists after
2054 # this stage is done.
2055 my %combined_inheritance = ();
2056 if ($table{$target}->{inherit_from}) {
2058 map { ref($_) eq "CODE" ? $_->() : $_ } @{$table{$target}->{inherit_from}};
2059 foreach (@inherit_from) {
2060 my %inherited_config = resolve_config($_, $target, @breadcrumbs);
2062 # 'template' is a marker that's considered private to
2063 # the config that had it.
2064 delete $inherited_config{template};
2067 if (!$combined_inheritance{$_}) {
2068 $combined_inheritance{$_} = [];
2070 push @{$combined_inheritance{$_}}, $inherited_config{$_};
2071 } keys %inherited_config;
2075 # We won't need inherit_from in this target any more, since we've
2076 # resolved all the inheritances that lead to this
2077 delete $table{$target}->{inherit_from};
2079 # Now is the time to deal with those lists. Here's the place to
2080 # decide what shall be done with those lists, all based on the
2081 # values of the target we're currently dealing with.
2082 # - If a value is a coderef, it will be executed with the list of
2083 # inherited values as arguments.
2084 # - If the corresponding key doesn't have a value at all or is the
2085 # emoty string, the inherited value list will be run through the
2086 # default combiner (below), and the result becomes this target's
2088 # - Otherwise, this target's value is assumed to be a string that
2089 # will simply override the inherited list of values.
2090 my $default_combiner = add();
2093 map { $_ => 1 } (keys %combined_inheritance,
2094 keys %{$table{$target}});
2096 sub process_values {
2098 my $inherited = shift; # Always a [ list ]
2104 while(ref($object) eq "CODE") {
2105 $object = $object->(@$inherited);
2107 if (!defined($object)) {
2110 elsif (ref($object) eq "ARRAY") {
2111 local $add_called; # To make sure recursive calls don't affect it
2112 return [ map { process_values($_, $inherited, $target, $entry) }
2114 } elsif (ref($object) eq "") {
2117 die "cannot handle reference type ",ref($object)
2118 ," found in target ",$target," -> ",$entry,"\n";
2122 foreach (sort keys %all_keys) {
2123 my $previous = $combined_inheritance{$_};
2125 # Current target doesn't have a value for the current key?
2126 # Assign it the default combiner, the rest of this loop body
2127 # will handle it just like any other coderef.
2128 if (!exists $table{$target}->{$_}) {
2129 $table{$target}->{$_} = $default_combiner;
2132 $table{$target}->{$_} = process_values($table{$target}->{$_},
2133 $combined_inheritance{$_},
2135 unless(defined($table{$target}->{$_})) {
2136 delete $table{$target}->{$_};
2138 if ($extra_checks &&
2139 $previous && !($add_called || $previous ~~ $table{$target}->{$_})) {
2140 warn "$_ got replaced in $target\n";
2144 # Finally done, return the result.
2145 return %{$table{$target}};
2150 print STDERR $usage;
2151 print STDERR "\npick os/compiler from:\n";
2155 foreach $i (sort keys %table)
2157 next if $table{$i}->{template};
2158 next if $i =~ /^debug/;
2159 $k += length($i) + 1;
2165 print STDERR $i . " ";
2167 foreach $i (sort keys %table)
2169 next if $table{$i}->{template};
2170 next if $i !~ /^debug/;
2171 $k += length($i) + 1;
2177 print STDERR $i . " ";
2179 print STDERR "\n\nNOTE: If in doubt, on Unix-ish systems use './config'.\n";
2188 unlink $out || warn "Can't remove $out, $!"
2190 foreach (@templates) {
2191 die "Can't open $_, $!" unless -f $_;
2193 my $cmd = "$config{perl} \"-I.\" \"-Mconfigdata\" $dofile -o\"Configure\" \"".join("\" \"",@templates)."\" > \"$out.new\"";
2194 #print STDERR "DEBUG[run_dofile]: \$cmd = $cmd\n";
2197 rename("$out.new", $out) || die "Can't rename $out.new, $!";
2200 # Configuration printer ##############################################
2202 sub print_table_entry
2205 my %target = resolve_config($target);
2208 # Don't print the templates
2209 return if $target{template};
2246 "shared_extension_simple",
2247 "shared_import_extension",
2258 if ($type eq "TABLE") {
2260 print "*** $target\n";
2261 foreach (@sequence) {
2262 if (ref($target{$_}) eq "ARRAY") {
2263 printf "\$%-12s = %s\n", $_, join(" ", @{$target{$_}});
2265 printf "\$%-12s = %s\n", $_, $target{$_};
2268 } elsif ($type eq "HASH") {
2270 length((sort { length($a) <=> length($b) } @sequence)[-1]);
2271 print " '$target' => {\n";
2272 foreach (@sequence) {
2274 if (ref($target{$_}) eq "ARRAY") {
2275 print " '",$_,"'"," " x ($largest - length($_))," => [ ",join(", ", map { "'$_'" } @{$target{$_}})," ],\n";
2277 print " '",$_,"'"," " x ($largest - length($_))," => '",$target{$_},"',\n";
2285 # Utility routines ###################################################
2287 # On VMS, if the given file is a logical name, File::Spec::Functions
2288 # will consider it an absolute path. There are cases when we want a
2289 # purely syntactic check without checking the environment.
2293 # On non-platforms, we just use file_name_is_absolute().
2294 return file_name_is_absolute($file) unless $^O eq "VMS";
2296 # If the file spec includes a device or a directpry spec,
2297 # file_name_is_absolute() is perfectly safe.
2298 return file_name_is_absolute($file) if $file =~ m|[:\[]|;
2300 # Here, we know the given file spec isn't absolute
2304 # Makes a directory absolute and cleans out /../ in paths like foo/../bar
2305 # On some platforms, this uses rel2abs(), while on others, realpath() is used.
2306 # realpath() requires that at least all path components except the last is an
2307 # existing directory. On VMS, the last component of the directory spec must
2312 # realpath() is quite buggy on VMS. It uses LIB$FID_TO_NAME, which
2313 # will return the volume name for the device, no matter what. Also,
2314 # it will return an incorrect directory spec if the argument is a
2315 # directory that doesn't exist.
2317 return rel2abs($dir);
2320 # We use realpath() on Unix, since no other will properly clean out
2322 use Cwd qw/realpath/;
2324 return realpath($dir);
2331 foreach $path (split /:/, $ENV{PATH})
2333 if (-f "$path/$name$target{exe_extension}" and -x _)
2335 return "$path/$name$target{exe_extension}" unless ($name eq "perl" and
2336 system("$path/$name$target{exe_extension} -e " . '\'exit($]<5.0);\''));
2343 perl => sub { my $x = shift;
2344 $x =~ s/([\\\$\@"])/\\$1/g;
2345 return '"'.$x.'"'; },
2349 defined($processors{$for}) ? $processors{$for} : sub { shift; };
2351 map { $processor->($_); } @_;
2354 # collect_from_file($filename, $line_concat_cond_re, $line_concat)
2355 # $filename is a file name to read from
2356 # $line_concat_cond_re is a regexp detecting a line continuation ending
2357 # $line_concat is a CODEref that takes care of concatenating two lines
2358 sub collect_from_file {
2359 my $filename = shift;
2360 my $line_concat_cond_re = shift;
2361 my $line_concat = shift;
2363 open my $fh, $filename || die "unable to read $filename: $!\n";
2365 my $saved_line = "";
2369 if (defined $line_concat) {
2370 $_ = $line_concat->($saved_line, $_);
2373 if (defined $line_concat_cond_re && /$line_concat_cond_re/) {
2379 die "$filename ending with continuation line\n" if $_;
2385 # collect_from_array($array, $line_concat_cond_re, $line_concat)
2386 # $array is an ARRAYref of lines
2387 # $line_concat_cond_re is a regexp detecting a line continuation ending
2388 # $line_concat is a CODEref that takes care of concatenating two lines
2389 sub collect_from_array {
2391 my $line_concat_cond_re = shift;
2392 my $line_concat = shift;
2393 my @array = (@$array);
2396 my $saved_line = "";
2398 while (defined($_ = shift @array)) {
2400 if (defined $line_concat) {
2401 $_ = $line_concat->($saved_line, $_);
2404 if (defined $line_concat_cond_re && /$line_concat_cond_re/) {
2410 die "input text ending with continuation line\n" if $_;
2415 # collect_information($lineiterator, $line_continue, $regexp => $CODEref, ...)
2416 # $lineiterator is a CODEref that delivers one line at a time.
2417 # All following arguments are regex/CODEref pairs, where the regexp detects a
2418 # line and the CODEref does something with the result of the regexp.
2419 sub collect_information {
2420 my $lineiterator = shift;
2421 my %collectors = @_;
2423 while(defined($_ = $lineiterator->())) {
2426 foreach my $re (keys %collectors) {
2427 if ($re ne "OTHERWISE" && /$re/) {
2428 $collectors{$re}->($lineiterator);
2432 if ($collectors{"OTHERWISE"}) {
2433 $collectors{"OTHERWISE"}->($lineiterator, $_)
2434 unless $found || !defined $collectors{"OTHERWISE"};