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 $disabled{afalg} = "too-old-kernel";
1189 push @{$config{engdirs}}, "afalg";
1193 $disabled{afalg} = "not-linux";
1196 push @{$config{openssl_other_defines}}, "OPENSSL_NO_AFALGENG" if ($disabled{afalg});
1198 # If we use the unified build, collect information from build.info files
1199 my %unified_info = ();
1201 if ($builder eq "unified") {
1202 # Store the name of the template file we will build the build file from
1203 # in %config. This may be useful for the build file itself.
1204 my $build_file_template =
1205 catfile($srcdir, "Configurations",
1206 $builder_platform."-".$target{build_file}.".tmpl");
1207 $build_file_template =
1208 catfile($srcdir, "Configurations", $target{build_file}.".tmpl")
1209 if (! -f $build_file_template);
1210 $config{build_file_template} = $build_file_template;
1212 use lib catdir(dirname(__FILE__),"util");
1213 use with_fallback qw(Text::Template);
1218 my $relativeto = shift || ".";
1220 $dir = catdir($base,$dir) unless isabsolute($dir);
1222 # Make sure the directories we're building in exists
1225 my $res = abs2rel(absolutedir($dir), rel2abs($relativeto));
1226 #print STDERR "DEBUG[cleandir]: $dir , $base => $res\n";
1233 my $relativeto = shift || ".";
1235 $file = catfile($base,$file) unless isabsolute($file);
1237 my $d = dirname($file);
1238 my $f = basename($file);
1240 # Make sure the directories we're building in exists
1243 my $res = abs2rel(catfile(absolutedir($d), $f), rel2abs($relativeto));
1244 #print STDERR "DEBUG[cleanfile]: $d , $f => $res\n";
1248 my @build_infos = ( [ ".", "build.info" ] );
1249 foreach (@{$config{dirs}}) {
1250 push @build_infos, [ $_, "build.info" ]
1251 if (-f catfile($srcdir, $_, "build.info"));
1253 foreach (@{$config{sdirs}}) {
1254 push @build_infos, [ catdir("crypto", $_), "build.info" ]
1255 if (-f catfile($srcdir, "crypto", $_, "build.info"));
1257 foreach (@{$config{engdirs}}) {
1258 push @build_infos, [ catdir("engines", $_), "build.info" ]
1259 if (-f catfile($srcdir, "engines", $_, "build.info"));
1262 $config{build_infos} = [ ];
1264 foreach (@build_infos) {
1265 my $sourced = catdir($srcdir, $_->[0]);
1266 my $buildd = catdir($blddir, $_->[0]);
1271 # The basic things we're trying to build
1277 my @intermediates = ();
1285 my %sharednames = ();
1287 push @{$config{build_infos}}, catfile(abs2rel($sourced, $blddir), $f);
1288 my $template = Text::Template->new(TYPE => 'FILE',
1289 SOURCE => catfile($sourced, $f));
1290 die "Something went wrong with $sourced/$f: $!\n" unless $template;
1293 $template->fill_in(HASH => { config => \%config,
1295 disabled => \%disabled,
1296 builddir => abs2rel($buildd, $blddir),
1297 sourcedir => abs2rel($sourced, $blddir),
1298 buildtop => abs2rel($blddir, $blddir),
1299 sourcetop => abs2rel($srcdir, $blddir) },
1300 DELIMITERS => [ "{-", "-}" ]);
1302 # The top item of this stack has the following values
1303 # -2 positive already run and we found ELSE (following ELSIF should fail)
1304 # -1 positive already run (skip until ENDIF)
1305 # 0 negatives so far (if we're at a condition, check it)
1306 # 1 last was positive (don't skip lines until next ELSE, ELSIF or ENDIF)
1307 # 2 positive ELSE (following ELSIF should fail)
1309 collect_information(
1310 collect_from_array([ @text ],
1311 qr/\\$/ => sub { my $l1 = shift; my $l2 = shift;
1312 $l1 =~ s/\\$//; $l1.$l2 }),
1313 # Info we're looking for
1314 qr/^\s*IF\[((?:\\.|[^\\\]])*)\]\s*$/
1315 => sub { push @skip, !! $1; },
1316 qr/^\s*ELSIF\[((?:\\.|[^\\\]])*)\]\s*$/
1317 => sub { die "ELSIF out of scope" if ! @skip;
1318 die "ELSIF following ELSE" if abs($skip[$#skip]) == 2;
1319 $skip[$#skip] = -1 if $skip[$#skip] != 0;
1320 $skip[$#skip] = !! $1
1321 if $skip[$#skip] == 0; },
1323 => sub { die "ELSE out of scope" if ! @skip;
1324 $skip[$#skip] = -2 if $skip[$#skip] != 0;
1325 $skip[$#skip] = 2 if $skip[$#skip] == 0; },
1327 => sub { die "ENDIF out of scope" if ! @skip;
1329 qr/^\s*PROGRAMS\s*=\s*(.*)\s*$/
1330 => sub { push @programs, split(/\s+/, $1)
1331 if !@skip || $skip[$#skip] > 0 },
1332 qr/^\s*LIBS\s*=\s*(.*)\s*$/
1333 => sub { push @libraries, split(/\s+/, $1)
1334 if !@skip || $skip[$#skip] > 0 },
1335 qr/^\s*ENGINES\s*=\s*(.*)\s*$/
1336 => sub { push @engines, split(/\s+/, $1)
1337 if !@skip || $skip[$#skip] > 0 },
1338 qr/^\s*SCRIPTS\s*=\s*(.*)\s*$/
1339 => sub { push @scripts, split(/\s+/, $1)
1340 if !@skip || $skip[$#skip] > 0 },
1341 qr/^\s*EXTRA\s*=\s*(.*)\s*$/
1342 => sub { push @extra, split(/\s+/, $1)
1343 if !@skip || $skip[$#skip] > 0 },
1345 qr/^\s*ORDINALS\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/,
1346 => sub { push @{$ordinals{$1}}, split(/\s+/, $2)
1347 if !@skip || $skip[$#skip] > 0 },
1348 qr/^\s*SOURCE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1349 => sub { push @{$sources{$1}}, split(/\s+/, $2)
1350 if !@skip || $skip[$#skip] > 0 },
1351 qr/^\s*INCLUDE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1352 => sub { push @{$includes{$1}}, split(/\s+/, $2)
1353 if !@skip || $skip[$#skip] > 0 },
1354 qr/^\s*DEPEND\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1355 => sub { push @{$depends{$1}}, split(/\s+/, $2)
1356 if !@skip || $skip[$#skip] > 0 },
1357 qr/^\s*RENAME\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1358 => sub { push @{$renames{$1}}, split(/\s+/, $2)
1359 if !@skip || $skip[$#skip] > 0 },
1360 qr/^\s*SHARED_NAME\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1361 => sub { push @{$sharednames{$1}}, split(/\s+/, $2)
1362 if !@skip || $skip[$#skip] > 0 },
1363 qr/^\s*BEGINRAW\[((?:\\.|[^\\\]])+)\]\s*$/
1365 my $lineiterator = shift;
1366 my $target_kind = $1;
1367 while (defined $lineiterator->()) {
1369 if (/^\s*ENDRAW\[((?:\\.|[^\\\]])+)\]\s*$/) {
1370 die "ENDRAW doesn't match BEGINRAW"
1371 if $1 ne $target_kind;
1374 next if @skip && $skip[$#skip] <= 0;
1376 if ($target_kind eq $target{build_file}
1377 || $target_kind eq $target{build_file}."(".$builder_platform.")");
1380 qr/^(?:#.*|\s*)$/ => sub { },
1381 "OTHERWISE" => sub { die "Something wrong with this line:\n$_\nat $sourced/$f" }
1383 die "runaway IF?" if (@skip);
1385 foreach (keys %renames) {
1386 die "$_ renamed to more than one thing: "
1387 ,join(" ", @{$renames{$_}}),"\n"
1388 if scalar @{$renames{$_}} > 1;
1389 my $dest = cleanfile($buildd, $_, $blddir);
1390 my $to = cleanfile($buildd, $renames{$_}->[0], $blddir);
1391 die "$dest renamed to more than one thing: "
1392 ,$unified_info{rename}->{$dest}, $to
1393 unless !defined($unified_info{rename}->{$dest})
1394 or $unified_info{rename}->{$dest} eq $to;
1395 $unified_info{rename}->{$dest} = $to;
1398 foreach (@programs) {
1399 my $program = cleanfile($buildd, $_, $blddir);
1400 if ($unified_info{rename}->{$program}) {
1401 $program = $unified_info{rename}->{$program};
1403 $unified_info{programs}->{$program} = 1;
1406 foreach (@libraries) {
1407 my $library = cleanfile($buildd, $_, $blddir);
1408 if ($unified_info{rename}->{$library}) {
1409 $library = $unified_info{rename}->{$library};
1411 $unified_info{libraries}->{$library} = 1;
1414 die <<"EOF" if scalar @engines and !$config{dynamic_engines};
1415 ENGINES can only be used if configured with 'dynamic-engine'.
1416 This is usually a fault in a build.info file.
1418 foreach (@engines) {
1419 my $library = cleanfile($buildd, $_, $blddir);
1420 if ($unified_info{rename}->{$library}) {
1421 $library = $unified_info{rename}->{$library};
1423 $unified_info{engines}->{$library} = 1;
1426 foreach (@scripts) {
1427 my $script = cleanfile($buildd, $_, $blddir);
1428 if ($unified_info{rename}->{$script}) {
1429 $script = $unified_info{rename}->{$script};
1431 $unified_info{scripts}->{$script} = 1;
1435 my $extra = cleanfile($buildd, $_, $blddir);
1436 $unified_info{extra}->{$extra} = 1;
1439 push @{$unified_info{rawlines}}, @rawlines;
1441 unless ($disabled{shared}) {
1442 # Check sharednames.
1443 foreach (keys %sharednames) {
1444 my $dest = cleanfile($buildd, $_, $blddir);
1445 if ($unified_info{rename}->{$dest}) {
1446 $dest = $unified_info{rename}->{$dest};
1448 die "shared_name for $dest with multiple values: "
1449 ,join(" ", @{$sharednames{$_}}),"\n"
1450 if scalar @{$sharednames{$_}} > 1;
1451 my $to = cleanfile($buildd, $sharednames{$_}->[0], $blddir);
1452 die "shared_name found for a library $dest that isn't defined\n"
1453 unless $unified_info{libraries}->{$dest};
1454 die "shared_name for $dest with multiple values: "
1455 ,$unified_info{sharednames}->{$dest}, ", ", $to
1456 unless !defined($unified_info{sharednames}->{$dest})
1457 or $unified_info{sharednames}->{$dest} eq $to;
1458 $unified_info{sharednames}->{$dest} = $to;
1461 # Additionally, we set up sharednames for libraries that don't
1462 # have any, as themselves.
1463 foreach (keys %{$unified_info{libraries}}) {
1464 if (!defined $unified_info{sharednames}->{$_}) {
1465 $unified_info{sharednames}->{$_} = $_
1470 foreach (keys %ordinals) {
1472 my $ddest = cleanfile($buildd, $_, $blddir);
1473 if ($unified_info{rename}->{$ddest}) {
1474 $ddest = $unified_info{rename}->{$ddest};
1476 foreach (@{$ordinals{$dest}}) {
1477 my %known_ordinals =
1480 cleanfile($sourced, catfile("util", "libcrypto.num"), $blddir),
1482 cleanfile($sourced, catfile("util", "libssl.num"), $blddir)
1484 my $o = $known_ordinals{$_};
1485 die "Ordinals for $ddest defined more than once\n"
1486 if $unified_info{ordinals}->{$ddest};
1487 $unified_info{ordinals}->{$ddest} = [ $_, $o ];
1491 foreach (keys %sources) {
1493 my $ddest = cleanfile($buildd, $_, $blddir);
1494 if ($unified_info{rename}->{$ddest}) {
1495 $ddest = $unified_info{rename}->{$ddest};
1497 foreach (@{$sources{$dest}}) {
1498 my $s = cleanfile($sourced, $_, $blddir);
1500 # If it isn't in the source tree, we assume it's generated
1503 $s = cleanfile($buildd, $_, $blddir);
1505 # We recognise C and asm files
1506 if ($s =~ /\.[csS]\b$/) {
1507 (my $o = $_) =~ s/\.[csS]\b$/.o/;
1508 $o = cleanfile($buildd, $o, $blddir);
1509 $unified_info{sources}->{$ddest}->{$o} = 1;
1510 $unified_info{sources}->{$o}->{$s} = 1;
1512 $unified_info{sources}->{$ddest}->{$s} = 1;
1517 foreach (keys %depends) {
1519 my $ddest = cleanfile($buildd, $_, $blddir);
1520 if ($unified_info{rename}->{$ddest}) {
1521 $ddest = $unified_info{rename}->{$ddest};
1523 foreach (@{$depends{$dest}}) {
1524 my $d = cleanfile($sourced, $_, $blddir);
1526 # If we know it's generated, or assume it is because we can't
1527 # find it in the source tree, we set file we depend on to be
1528 # in the build tree rather than the source tree, and assume
1529 # and that there are lines to build it in a BEGINRAW..ENDRAW
1530 # section or in the Makefile template.
1532 || !(grep { $d eq $_ }
1533 map { cleanfile($srcdir, $_, $blddir) }
1534 (@generated_headers, @generated_by_make_headers))) {
1535 $d = cleanfile($buildd, $_, $blddir);
1537 # Take note if the file to depend on is being renamed
1538 if ($unified_info{rename}->{$d}) {
1539 $d = $unified_info{rename}->{$d};
1541 $unified_info{depends}->{$ddest}->{$d} = 1;
1542 # If we depend on a header file, let's make sure it
1545 my $i = dirname($d);
1546 push @{$unified_info{includes}->{$ddest}}, $i
1547 unless grep { $_ eq $i } @{$unified_info{includes}->{$ddest}};
1552 foreach (keys %includes) {
1554 my $ddest = cleanfile($buildd, $_, $blddir);
1555 if ($unified_info{rename}->{$ddest}) {
1556 $ddest = $unified_info{rename}->{$ddest};
1558 foreach (@{$includes{$dest}}) {
1559 my $i = cleandir($sourced, $_, $blddir);
1560 push @{$unified_info{includes}->{$ddest}}, $i
1561 unless grep { $_ eq $i } @{$unified_info{includes}->{$ddest}};
1566 ### Make unified_info a bit more efficient
1567 # One level structures
1568 foreach (("programs", "libraries", "engines", "scripts", "extra")) {
1569 $unified_info{$_} = [ sort keys %{$unified_info{$_}} ];
1571 # Two level structures
1572 foreach my $l1 (("sources", "ldadd", "depends")) {
1573 foreach my $l2 (sort keys %{$unified_info{$l1}}) {
1574 $unified_info{$l1}->{$l2} =
1575 [ sort keys %{$unified_info{$l1}->{$l2}} ];
1580 # For the schemes that need it, we provide the old *_obj configs
1581 # from the *_asm_obj ones
1582 foreach (grep /_(asm|aux)_src$/, keys %target) {
1584 (my $obj = $_) =~ s/_(asm|aux)_src$/_obj/;
1585 ($target{$obj} = $target{$src}) =~ s/\.[csS]\b/.o/g;
1588 # Write down our configuration where it fits #########################
1590 open(OUT,">configdata.pm") || die "unable to create configdata.pm: $!\n";
1598 #use vars qw(\@ISA \@EXPORT);
1599 our \@ISA = qw(Exporter);
1600 our \@EXPORT = qw(\%config \%target %disabled %withargs %unified_info);
1603 print OUT "our %config = (\n";
1604 foreach (sort keys %config) {
1605 if (ref($config{$_}) eq "ARRAY") {
1606 print OUT " ", $_, " => [ ", join(", ",
1607 map { quotify("perl", $_) }
1608 @{$config{$_}}), " ],\n";
1610 print OUT " ", $_, " => ", quotify("perl", $config{$_}), ",\n"
1617 print OUT "our %target = (\n";
1618 foreach (sort keys %target) {
1619 if (ref($target{$_}) eq "ARRAY") {
1620 print OUT " ", $_, " => [ ", join(", ",
1621 map { quotify("perl", $_) }
1622 @{$target{$_}}), " ],\n";
1624 print OUT " ", $_, " => ", quotify("perl", $target{$_}), ",\n"
1631 print OUT "our \%available_protocols = (\n";
1632 print OUT " tls => [ ", join(", ", map { quotify("perl", $_) } @tls), " ],\n";
1633 print OUT " dtls => [ ", join(", ", map { quotify("perl", $_) } @dtls), " ],\n";
1638 print OUT "our \%disabled = (\n";
1639 foreach (sort keys %disabled) {
1640 print OUT " ", quotify("perl", $_), " => ", quotify("perl", $disabled{$_}), ",\n";
1646 print OUT "our %withargs = (\n";
1647 foreach (sort keys %withargs) {
1648 if (ref($withargs{$_}) eq "ARRAY") {
1649 print OUT " ", $_, " => [ ", join(", ",
1650 map { quotify("perl", $_) }
1651 @{$withargs{$_}}), " ],\n";
1653 print OUT " ", $_, " => ", quotify("perl", $withargs{$_}), ",\n"
1660 if ($builder eq "unified") {
1665 if (ref $_ eq "ARRAY") {
1666 print OUT " "x$indent, "[\n";
1668 $recurse->($indent + 4, $_);
1670 print OUT " "x$indent, "],\n";
1671 } elsif (ref $_ eq "HASH") {
1673 print OUT " "x$indent, "{\n";
1674 foreach (sort keys %h) {
1675 if (ref $h{$_} eq "") {
1676 print OUT " "x($indent + 4), quotify("perl", $_), " => ", quotify("perl", $h{$_}), ",\n";
1678 print OUT " "x($indent + 4), quotify("perl", $_), " =>\n";
1679 $recurse->($indent + 8, $h{$_});
1682 print OUT " "x$indent, "},\n";
1684 print OUT " "x$indent, quotify("perl", $_), ",\n";
1688 print OUT "our %unified_info = (\n";
1689 foreach (sort keys %unified_info) {
1690 if (ref $unified_info{$_} eq "") {
1691 print OUT " "x4, quotify("perl", $_), " => ", quotify("perl", $unified_info{$_}), ",\n";
1693 print OUT " "x4, quotify("perl", $_), " =>\n";
1694 $recurse->(8, $unified_info{$_});
1706 print "IsMK1MF =", ($builder eq "mk1mf" ? "yes" : "no"), "\n";
1707 print "CC =$target{cc}\n";
1708 print "CFLAG =$target{cflags} $config{cflags}\n";
1709 print "DEFINES =",join(" ", @{$target{defines}}, @{$config{defines}}),"\n";
1710 print "LFLAG =$target{lflags}\n";
1711 print "PLIB_LFLAG =$target{plib_lflags}\n";
1712 print "EX_LIBS =$target{ex_libs} $config{ex_libs}\n";
1713 print "APPS_OBJ =$target{apps_obj}\n";
1714 print "CPUID_OBJ =$target{cpuid_obj}\n";
1715 print "UPLINK_OBJ =$target{uplink_obj}\n";
1716 print "BN_ASM =$target{bn_obj}\n";
1717 print "EC_ASM =$target{ec_obj}\n";
1718 print "DES_ENC =$target{des_obj}\n";
1719 print "AES_ENC =$target{aes_obj}\n";
1720 print "BF_ENC =$target{bf_obj}\n";
1721 print "CAST_ENC =$target{cast_obj}\n";
1722 print "RC4_ENC =$target{rc4_obj}\n";
1723 print "RC5_ENC =$target{rc5_obj}\n";
1724 print "MD5_OBJ_ASM =$target{md5_obj}\n";
1725 print "SHA1_OBJ_ASM =$target{sha1_obj}\n";
1726 print "RMD160_OBJ_ASM=$target{rmd160_obj}\n";
1727 print "CMLL_ENC =$target{cmll_obj}\n";
1728 print "MODES_OBJ =$target{modes_obj}\n";
1729 print "PADLOCK_OBJ =$target{padlock_obj}\n";
1730 print "CHACHA_ENC =$target{chacha_obj}\n";
1731 print "POLY1305_OBJ =$target{poly1305_obj}\n";
1732 print "PROCESSOR =$config{processor}\n";
1733 print "RANLIB =$target{ranlib}\n";
1734 print "ARFLAGS =$target{arflags}\n";
1735 print "PERL =$config{perl}\n";
1737 print "SIXTY_FOUR_BIT_LONG mode\n" if $config{b64l};
1738 print "SIXTY_FOUR_BIT mode\n" if $config{b64};
1739 print "THIRTY_TWO_BIT mode\n" if $config{b32};
1740 print "BN_LLONG mode\n" if $config{bn_ll};
1741 print "RC4 uses $config{rc4_int}\n" if $config{rc4_int} != $def_int;
1743 for (@generated_headers) {
1744 mkpath(catdir($blddir, dirname($_)));
1745 run_dofile(catfile($blddir, $_),
1746 catfile($srcdir, $_.".in"));
1750 ### When the old "unixmake" scheme goes away, so does this function
1752 sub build_Makefile {
1753 run_dofile("Makefile","Makefile.in");
1755 # Copy all Makefile.in to Makefile (except top-level)
1764 return if ($_ ne "Makefile.in" || $File::Find::dir eq ".");
1765 my $in = IO::File->new($_, "r") or
1766 die sprintf "Error reading Makefile.in in %s: !$\n",
1768 my $out = IO::File->new("Makefile", "w") or
1769 die sprintf "Error writing Makefile in %s: !$\n",
1771 print $out "# Generated from $_, do not edit\n";
1772 while (my $line = <$in>) { print $out $line }
1774 die sprintf "Error reading Makefile.in in %s: !$\n",
1777 die sprintf "Error writing Makefile in %s: !$\n",
1786 run_dofile(catfile($blddir, $target{build_file}),
1787 $config{build_file_template},
1788 catfile($srcdir, "Configurations", "common.tmpl"));
1793 run_dofile("util/domd", "util/domd.in");
1794 chmod 0755, "util/domd";
1797 my $platform = shift;
1798 # The only reason we do this is to have something to build MINFO from
1801 # create the ms/version32.rc file if needed
1802 if ($platform ne "netware") {
1803 my ($v1, $v2, $v3, $v4);
1804 if ($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) {
1810 open (OUT,">ms/version32.rc") || die "Can't open ms/version32.rc";
1817 FILEVERSION $v1,$v2,$v3,$v4
1818 PRODUCTVERSION $v1,$v2,$v3,$v4
1825 FILEOS VOS__WINDOWS32
1829 BLOCK "StringFileInfo"
1834 VALUE "CompanyName", "The OpenSSL Project, http://www.openssl.org/\\0"
1835 VALUE "FileDescription", "OpenSSL Shared Library\\0"
1836 VALUE "FileVersion", "$config{version}\\0"
1838 VALUE "InternalName", "libcrypto32\\0"
1839 VALUE "OriginalFilename", "libcrypto32.dll\\0"
1841 VALUE "InternalName", "libssl32\\0"
1842 VALUE "OriginalFilename", "libssl32.dll\\0"
1844 VALUE "ProductName", "The OpenSSL Toolkit\\0"
1845 VALUE "ProductVersion", "$config{version}\\0"
1847 //VALUE "Comments", "\\0"
1848 VALUE "LegalCopyright", "Copyright © 1998-2015 The OpenSSL Project. Copyright © 1995-1998 Eric A. Young, Tim J. Hudson. All rights reserved.\\0"
1849 //VALUE "LegalTrademarks", "\\0"
1850 //VALUE "PrivateBuild", "\\0"
1851 //VALUE "SpecialBuild", "\\0"
1856 VALUE "Translation", 0x409, 0x4b0
1865 $builders{$builder}->($builder_platform, @builder_opts);
1869 Configured for $target.
1872 print <<"EOF" if ($disabled{threads} eq "unavailable");
1874 The library could not be configured for supporting multi-threaded
1875 applications as the compiler options required on this system are not known.
1876 See file INSTALL for details if you need multi-threading.
1879 print <<"EOF" if ($no_shared_warn);
1881 The options 'shared', 'pic' and 'dynamic-engine' aren't supported on this
1882 platform, so we will pretend you gave the option 'no-pic', which also disables
1883 'shared' and 'dynamic-engine'. If you know how to implement shared libraries
1884 or position independent code, please let us know (but please first make sure
1885 you have tried with a current version of OpenSSL).
1888 ###### TO BE REMOVED BEFORE FINAL RELEASE
1890 ###### If the user hasn't chosen --unified, try to nudge them.
1891 if ($target{build_file} eq "Makefile"
1892 && $target{build_scheme}->[0] eq "unixmake"
1895 my $plausible_builddir =
1896 abs2rel(rel2abs("../_openssl-build_$target"),rel2abs("."));
1897 my $plausible_to_sourcedir =
1898 abs2rel(rel2abs("."),rel2abs("../_openssl-build_$target"));
1901 ----------------------------------------------------------------------
1902 Please consider configuring with the flag --unified .
1903 It's to test out a new "unified" building system.
1905 One cool feature is that you can have your build directory elsewhere,
1908 make clean # Clean the current configuration away
1909 mkdir $plausible_builddir
1910 cd $plausible_builddir
1911 $plausible_to_sourcedir/config --unified
1915 Please report any problem you have.
1916 ----------------------------------------------------------------------
1923 ######################################################################
1925 # Helpers and utility functions
1928 # Configuration file reading #########################################
1930 # Helper function to implement conditional inheritance depending on the
1931 # value of $disabled{asm}. Used in inherit_from values as follows:
1933 # inherit_from => [ "template", asm("asm_tmpl") ]
1938 $disabled{asm} ? () : @x;
1942 our $add_called = 0;
1943 # Helper function to implement adding values to already existing configuration
1944 # values. It handles elements that are ARRAYs, CODEs and scalars
1946 my $separator = shift;
1948 # If there's any ARRAY in the collection of values OR the separator
1949 # is undef, we will return an ARRAY of combined values, otherwise a
1950 # string of joined values with $separator as the separator.
1951 my $found_array = !defined($separator);
1956 while (ref($res) eq "CODE") {
1959 if (defined($res)) {
1960 if (ref($res) eq "ARRAY") {
1976 join($separator, grep { defined($_) && $_ ne "" } @values);
1980 my $separator = " ";
1981 if (ref($_[$#_]) eq "HASH") {
1983 $separator = $opts->{separator};
1986 sub { _add($separator, @x, @_) };
1989 my $separator = " ";
1990 if (ref($_[$#_]) eq "HASH") {
1992 $separator = $opts->{separator};
1995 sub { _add($separator, @_, @x) };
1998 # configuration reader, evaluates the input file as a perl script and expects
1999 # it to fill %targets with target configurations. Those are then added to
2003 open(CONFFILE, "< $fname")
2004 or die "Can't open configuration file '$fname'!\n";
2007 my $content = <CONFFILE>;
2012 local %table = %::table; # Protect %table from tampering
2018 # For each target, check that it's configured with a hash table.
2019 foreach (keys %targets) {
2020 if (ref($targets{$_}) ne "HASH") {
2021 if (ref($targets{$_}) eq "") {
2022 warn "Deprecated target configuration for $_, ignoring...\n";
2024 warn "Misconfigured target configuration for $_ (should be a hash table), ignoring...\n";
2026 delete $targets{$_};
2030 %table = (%table, %targets);
2034 # configuration resolver. Will only resolve all the lazy evalutation
2035 # codeblocks for the chozen target and all those it inherits from,
2037 sub resolve_config {
2039 my @breadcrumbs = @_;
2041 my $extra_checks = defined($ENV{CONFIGURE_EXTRA_CHECKS});
2043 if (grep { $_ eq $target } @breadcrumbs) {
2044 die "inherit_from loop! target backtrace:\n "
2045 ,$target,"\n ",join("\n ", @breadcrumbs),"\n";
2048 if (!defined($table{$target})) {
2049 warn "Warning! target $target doesn't exist!\n";
2052 # Recurse through all inheritances. They will be resolved on the
2053 # fly, so when this operation is done, they will all just be a
2054 # bunch of attributes with string values.
2055 # What we get here, though, are keys with references to lists of
2056 # the combined values of them all. We will deal with lists after
2057 # this stage is done.
2058 my %combined_inheritance = ();
2059 if ($table{$target}->{inherit_from}) {
2061 map { ref($_) eq "CODE" ? $_->() : $_ } @{$table{$target}->{inherit_from}};
2062 foreach (@inherit_from) {
2063 my %inherited_config = resolve_config($_, $target, @breadcrumbs);
2065 # 'template' is a marker that's considered private to
2066 # the config that had it.
2067 delete $inherited_config{template};
2070 if (!$combined_inheritance{$_}) {
2071 $combined_inheritance{$_} = [];
2073 push @{$combined_inheritance{$_}}, $inherited_config{$_};
2074 } keys %inherited_config;
2078 # We won't need inherit_from in this target any more, since we've
2079 # resolved all the inheritances that lead to this
2080 delete $table{$target}->{inherit_from};
2082 # Now is the time to deal with those lists. Here's the place to
2083 # decide what shall be done with those lists, all based on the
2084 # values of the target we're currently dealing with.
2085 # - If a value is a coderef, it will be executed with the list of
2086 # inherited values as arguments.
2087 # - If the corresponding key doesn't have a value at all or is the
2088 # emoty string, the inherited value list will be run through the
2089 # default combiner (below), and the result becomes this target's
2091 # - Otherwise, this target's value is assumed to be a string that
2092 # will simply override the inherited list of values.
2093 my $default_combiner = add();
2096 map { $_ => 1 } (keys %combined_inheritance,
2097 keys %{$table{$target}});
2099 sub process_values {
2101 my $inherited = shift; # Always a [ list ]
2107 while(ref($object) eq "CODE") {
2108 $object = $object->(@$inherited);
2110 if (!defined($object)) {
2113 elsif (ref($object) eq "ARRAY") {
2114 local $add_called; # To make sure recursive calls don't affect it
2115 return [ map { process_values($_, $inherited, $target, $entry) }
2117 } elsif (ref($object) eq "") {
2120 die "cannot handle reference type ",ref($object)
2121 ," found in target ",$target," -> ",$entry,"\n";
2125 foreach (sort keys %all_keys) {
2126 my $previous = $combined_inheritance{$_};
2128 # Current target doesn't have a value for the current key?
2129 # Assign it the default combiner, the rest of this loop body
2130 # will handle it just like any other coderef.
2131 if (!exists $table{$target}->{$_}) {
2132 $table{$target}->{$_} = $default_combiner;
2135 $table{$target}->{$_} = process_values($table{$target}->{$_},
2136 $combined_inheritance{$_},
2138 unless(defined($table{$target}->{$_})) {
2139 delete $table{$target}->{$_};
2141 if ($extra_checks &&
2142 $previous && !($add_called || $previous ~~ $table{$target}->{$_})) {
2143 warn "$_ got replaced in $target\n";
2147 # Finally done, return the result.
2148 return %{$table{$target}};
2153 print STDERR $usage;
2154 print STDERR "\npick os/compiler from:\n";
2158 foreach $i (sort keys %table)
2160 next if $table{$i}->{template};
2161 next if $i =~ /^debug/;
2162 $k += length($i) + 1;
2168 print STDERR $i . " ";
2170 foreach $i (sort keys %table)
2172 next if $table{$i}->{template};
2173 next if $i !~ /^debug/;
2174 $k += length($i) + 1;
2180 print STDERR $i . " ";
2182 print STDERR "\n\nNOTE: If in doubt, on Unix-ish systems use './config'.\n";
2191 unlink $out || warn "Can't remove $out, $!"
2193 foreach (@templates) {
2194 die "Can't open $_, $!" unless -f $_;
2196 my $cmd = "$config{perl} \"-I.\" \"-Mconfigdata\" $dofile -o\"Configure\" \"".join("\" \"",@templates)."\" > \"$out.new\"";
2197 #print STDERR "DEBUG[run_dofile]: \$cmd = $cmd\n";
2200 rename("$out.new", $out) || die "Can't rename $out.new, $!";
2203 # Configuration printer ##############################################
2205 sub print_table_entry
2208 my %target = resolve_config($target);
2211 # Don't print the templates
2212 return if $target{template};
2249 "shared_extension_simple",
2250 "shared_import_extension",
2261 if ($type eq "TABLE") {
2263 print "*** $target\n";
2264 foreach (@sequence) {
2265 if (ref($target{$_}) eq "ARRAY") {
2266 printf "\$%-12s = %s\n", $_, join(" ", @{$target{$_}});
2268 printf "\$%-12s = %s\n", $_, $target{$_};
2271 } elsif ($type eq "HASH") {
2273 length((sort { length($a) <=> length($b) } @sequence)[-1]);
2274 print " '$target' => {\n";
2275 foreach (@sequence) {
2277 if (ref($target{$_}) eq "ARRAY") {
2278 print " '",$_,"'"," " x ($largest - length($_))," => [ ",join(", ", map { "'$_'" } @{$target{$_}})," ],\n";
2280 print " '",$_,"'"," " x ($largest - length($_))," => '",$target{$_},"',\n";
2288 # Utility routines ###################################################
2290 # On VMS, if the given file is a logical name, File::Spec::Functions
2291 # will consider it an absolute path. There are cases when we want a
2292 # purely syntactic check without checking the environment.
2296 # On non-platforms, we just use file_name_is_absolute().
2297 return file_name_is_absolute($file) unless $^O eq "VMS";
2299 # If the file spec includes a device or a directpry spec,
2300 # file_name_is_absolute() is perfectly safe.
2301 return file_name_is_absolute($file) if $file =~ m|[:\[]|;
2303 # Here, we know the given file spec isn't absolute
2307 # Makes a directory absolute and cleans out /../ in paths like foo/../bar
2308 # On some platforms, this uses rel2abs(), while on others, realpath() is used.
2309 # realpath() requires that at least all path components except the last is an
2310 # existing directory. On VMS, the last component of the directory spec must
2315 # realpath() is quite buggy on VMS. It uses LIB$FID_TO_NAME, which
2316 # will return the volume name for the device, no matter what. Also,
2317 # it will return an incorrect directory spec if the argument is a
2318 # directory that doesn't exist.
2320 return rel2abs($dir);
2323 # We use realpath() on Unix, since no other will properly clean out
2325 use Cwd qw/realpath/;
2327 return realpath($dir);
2334 foreach $path (split /:/, $ENV{PATH})
2336 if (-f "$path/$name$target{exe_extension}" and -x _)
2338 return "$path/$name$target{exe_extension}" unless ($name eq "perl" and
2339 system("$path/$name$target{exe_extension} -e " . '\'exit($]<5.0);\''));
2346 perl => sub { my $x = shift;
2347 $x =~ s/([\\\$\@"])/\\$1/g;
2348 return '"'.$x.'"'; },
2352 defined($processors{$for}) ? $processors{$for} : sub { shift; };
2354 map { $processor->($_); } @_;
2357 # collect_from_file($filename, $line_concat_cond_re, $line_concat)
2358 # $filename is a file name to read from
2359 # $line_concat_cond_re is a regexp detecting a line continuation ending
2360 # $line_concat is a CODEref that takes care of concatenating two lines
2361 sub collect_from_file {
2362 my $filename = shift;
2363 my $line_concat_cond_re = shift;
2364 my $line_concat = shift;
2366 open my $fh, $filename || die "unable to read $filename: $!\n";
2368 my $saved_line = "";
2372 if (defined $line_concat) {
2373 $_ = $line_concat->($saved_line, $_);
2376 if (defined $line_concat_cond_re && /$line_concat_cond_re/) {
2382 die "$filename ending with continuation line\n" if $_;
2388 # collect_from_array($array, $line_concat_cond_re, $line_concat)
2389 # $array is an ARRAYref of lines
2390 # $line_concat_cond_re is a regexp detecting a line continuation ending
2391 # $line_concat is a CODEref that takes care of concatenating two lines
2392 sub collect_from_array {
2394 my $line_concat_cond_re = shift;
2395 my $line_concat = shift;
2396 my @array = (@$array);
2399 my $saved_line = "";
2401 while (defined($_ = shift @array)) {
2403 if (defined $line_concat) {
2404 $_ = $line_concat->($saved_line, $_);
2407 if (defined $line_concat_cond_re && /$line_concat_cond_re/) {
2413 die "input text ending with continuation line\n" if $_;
2418 # collect_information($lineiterator, $line_continue, $regexp => $CODEref, ...)
2419 # $lineiterator is a CODEref that delivers one line at a time.
2420 # All following arguments are regex/CODEref pairs, where the regexp detects a
2421 # line and the CODEref does something with the result of the regexp.
2422 sub collect_information {
2423 my $lineiterator = shift;
2424 my %collectors = @_;
2426 while(defined($_ = $lineiterator->())) {
2429 foreach my $re (keys %collectors) {
2430 if ($re ne "OTHERWISE" && /$re/) {
2431 $collectors{$re}->($lineiterator);
2435 if ($collectors{"OTHERWISE"}) {
2436 $collectors{"OTHERWISE"}->($lineiterator, $_)
2437 unless $found || !defined $collectors{"OTHERWISE"};