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",
297 "rijndael", # Old AES name
325 foreach my $proto ((@tls, @dtls))
327 push(@disablables, $proto);
328 push(@disablables, "$proto-method");
331 my @deprecated_disablables = (
335 # All of the following is disabled by default (RC5 was enabled before 0.9.8):
337 our %disabled = ( # "what" => "comment"
338 "ec_nistp_64_gcc_128" => "default",
343 "shared" => "default",
344 "ssl-trace" => "default",
346 "ssl3-method" => "default",
347 "static-engine" => "default",
348 "unit-test" => "default",
349 "weak-ssl-ciphers" => "default",
351 "zlib-dynamic" => "default",
352 "crypto-mdebug" => "default",
353 "heartbeats" => "default",
356 # Note: => pair form used for aesthetics, not to truly make a hash table
357 my @disable_cascades = (
358 # "what" => [ "cascade", ... ]
359 sub { $config{processor} eq "386" }
362 "ssl3-method" => [ "ssl3" ],
363 "zlib" => [ "zlib-dynamic" ],
364 "rijndael" => [ "aes" ],
366 "ec" => [ "ecdsa", "ecdh" ],
368 "dgram" => [ "dtls" ],
371 # SSL 3.0, (D)TLS 1.0 and TLS 1.1 require MD5 and SHA
372 "md5" => [ "ssl", "tls1", "tls1_1", "dtls1" ],
373 "sha" => [ "ssl", "tls1", "tls1_1", "dtls1" ],
375 # Additionally, SSL 3.0 requires either RSA or DSA+DH
377 && ($disabled{dsa} || $disabled{dh}); }
380 # (D)TLS 1.0 and TLS 1.1 also require either RSA or DSA+DH
381 # or ECDSA + ECDH. (D)TLS 1.2 has this requirement as well.
382 # (XXX: We don't support PSK-only builds).
384 && ($disabled{dsa} || $disabled{dh})
385 && ($disabled{ecdsa} || $disabled{ecdh}); }
386 => [ "tls1", "tls1_1", "tls1_2",
387 "dtls1", "dtls1_2" ],
391 # SRP and HEARTBEATS require TLSEXT
392 "tlsext" => [ "srp", "heartbeats" ],
394 "crypto-mdebug" => [ "crypto-mdebug-backtrace" ],
396 # Without DSO, we can't load dynamic engines, so don't build them dynamic
397 "dso" => [ "dynamic-engine" ],
399 # Without position independent code, there can be no shared libraries or DSOs
400 "pic" => [ "shared", "dynamic-engine" ],
403 # Avoid protocol support holes. Also disable all versions below N, if version
404 # N is disabled while N+1 is enabled.
406 my @list = (reverse @tls);
407 while ((my $first, my $second) = (shift @list, shift @list)) {
409 push @disable_cascades, ( sub { !$disabled{$first} && $disabled{$second} }
411 unshift @list, $second;
413 my @list = (reverse @dtls);
414 while ((my $first, my $second) = (shift @list, shift @list)) {
416 push @disable_cascades, ( sub { !$disabled{$first} && $disabled{$second} }
418 unshift @list, $second;
421 # Explicit "no-..." options will be collected in %disabled along with the defaults.
422 # To remove something from %disabled, use "enable-foo".
423 # For symmetry, "disable-foo" is a synonym for "no-foo".
425 my @generated_headers = (
426 "include/openssl/opensslconf.h",
427 "crypto/include/internal/bn_conf.h",
428 "crypto/include/internal/dso_conf.h"
431 my @generated_by_make_headers = (
438 &usage if ($#ARGV < 0);
442 $config{openssl_api_defines}=[];
443 $config{openssl_algorithm_defines}=[];
444 $config{openssl_thread_defines}=[];
445 $config{openssl_sys_defines}=[];
446 $config{openssl_other_defines}=[];
450 $config{build_type} = "release";
456 if (grep /^reconf(igure)?$/, @argvcopy) {
457 if (-f "./configdata.pm") {
458 my $file = "./configdata.pm";
459 unless (my $return = do $file) {
460 die "couldn't parse $file: $@" if $@;
461 die "couldn't do $file: $!" unless defined $return;
462 die "couldn't run $file" unless $return;
465 @argvcopy = defined($configdata::config{perlargv}) ?
466 @{$configdata::config{perlargv}} : ();
467 die "Incorrect data to reconfigure, please do a normal configuration\n"
468 if (grep(/^reconf/,@argvcopy));
469 $ENV{CROSS_COMPILE} = $configdata::config{cross_compile_prefix}
470 if defined($configdata::config{cross_compile_prefix});
471 $ENV{CROSS_COMPILE} = $configdata::config{cc}
472 if defined($configdata::config{cc});
474 print "Reconfiguring with: ", join(" ",@argvcopy), "\n";
475 print " CROSS_COMPILE = ",$ENV{CROSS_COMPILE},"\n"
476 if $ENV{CROSS_COMPILE};
477 print " CC = ",$ENV{CC},"\n" if $ENV{CC};
478 } elsif (open IN, "<Makefile") {
480 # THIS SECTION IS TEMPORARY, it helps transitioning from Makefile
481 # centered information gathering the reading configdata.pm
485 if (/^CONFIGURE_ARGS=\s*(.*)\s*/) {
486 # Older form, we split the string and hope for the best
487 @argvcopy = split /\s+/, $_;
488 die "Incorrect data to reconfigure, please do a normal configuration\n"
489 if (grep(/^reconf/,@argvcopy));
490 } elsif (/^CROSS_COMPILE=\s*(.*)/) {
491 $ENV{CROSS_COMPILE}=$1;
492 } elsif (/^CC=\s*(?:\$\(CROSS_COMPILE\))?(.*?)$/) {
497 # END OF TEMPORARY SECTION
500 die "Insufficient data to reconfigure, please do a normal configuration\n";
504 $config{perlargv} = [ @argvcopy ];
506 my %unsupported_options = ();
507 my %deprecated_options = ();
510 # VMS is a case insensitive environment, and depending on settings
511 # out of our control, we may receive options uppercased. Let's
512 # downcase at least the part before any equal sign.
517 s /^-no-/no-/; # some people just can't read the instructions
519 # rewrite some options in "enable-..." form
520 s /^-?-?shared$/enable-shared/;
521 s /^sctp$/enable-sctp/;
522 s /^threads$/enable-threads/;
523 s /^zlib$/enable-zlib/;
524 s /^zlib-dynamic$/enable-zlib-dynamic/;
526 if (/^(no|disable|enable)-(.+)$/)
529 if (grep { $word =~ /^${_}$/ } @deprecated_disablables)
531 $deprecated_options{$_} = 1;
534 elsif (!grep { $word =~ /^${_}$/ } @disablables)
536 $unsupported_options{$_} = 1;
540 if (/^no-(.+)$/ || /^disable-(.+)$/)
542 foreach my $proto ((@tls, @dtls))
544 if ($1 eq "$proto-method")
546 $disabled{"$proto"} = "option($proto-method)";
552 foreach my $proto (@dtls)
554 $disabled{$proto} = "option(dtls)";
559 # Last one of its kind
560 $disabled{"ssl3"} = "option(ssl)";
564 # XXX: Tests will fail if all SSL/TLS
565 # protocols are disabled.
566 foreach my $proto (@tls)
568 $disabled{$proto} = "option(tls)";
571 elsif ($1 eq "static-engine")
573 delete $disabled{"dynamic-engine"};
575 elsif ($1 eq "dynamic-engine")
577 $disabled{"dynamic-engine"} = "option";
581 $disabled{$1} = "option";
583 # No longer an automatic choice
584 $auto_threads = 0 if ($1 eq "threads");
586 elsif (/^enable-(.+)$/)
588 if ($1 eq "static-engine")
590 $disabled{"dynamic-engine"} = "option";
592 elsif ($1 eq "dynamic-engine")
594 delete $disabled{"dynamic-engine"};
596 elsif ($1 eq "zlib-dynamic")
598 delete $disabled{"zlib"};
601 delete $disabled{$algo};
603 # No longer an automatic choice
604 $auto_threads = 0 if ($1 eq "threads");
606 elsif (/^--strict-warnings$/)
608 $strict_warnings = 1;
612 $config{build_type} = "debug";
614 elsif (/^--release$/)
616 $config{build_type} = "release";
619 { $config{processor}=386; }
626 # No RSAref support any more since it's not needed.
627 # The check for the option is there so scripts aren't
630 elsif (/^nofipscanistercheck$/)
633 $nofipscanistercheck = 1;
641 elsif (/^--prefix=(.*)$/)
644 die "Directory given with --prefix MUST be absolute\n"
645 unless file_name_is_absolute($config{prefix});
647 elsif (/^--api=(.*)$/)
651 elsif (/^--libdir=(.*)$/)
655 elsif (/^--openssldir=(.*)$/)
657 $config{openssldir}=$1;
659 elsif (/^--with-zlib-lib=(.*)$/)
661 $withargs{zlib_lib}=$1;
663 elsif (/^--with-zlib-include=(.*)$/)
665 $withargs{zlib_include}="-I$1";
667 elsif (/^--with-fipslibdir=(.*)$/)
669 $config{fipslibdir}="$1/";
671 elsif (/^--with-baseaddr=(.*)$/)
673 $config{baseaddr}="$1";
675 elsif (/^--cross-compile-prefix=(.*)$/)
677 $config{cross_compile_prefix}=$1;
679 elsif (/^--config=(.*)$/)
683 elsif (/^-[lL](.*)$/ or /^-Wl,/)
689 push @user_defines, $1;
691 else # common if (/^[-+]/), just pass down...
693 $_ =~ s/%([0-9a-f]{1,2})/chr(hex($1))/gei;
694 $user_cflags.=" ".$_;
699 die "target already defined - $target (offending arg: $_)\n" if ($target ne "");
702 unless ($_ eq $target || /^no-/ || /^disable-/)
704 # "no-..." follows later after implied disactivations
705 # have been derived. (Don't take this too seroiusly,
706 # we really only write OPTIONS to the Makefile out of
709 if ($config{options} eq "")
710 { $config{options} = $_; }
712 { $config{options} .= " ".$_; }
715 if (defined($config{api}) && !exists $apitable->{$config{api}}) {
716 die "***** Unsupported api compatibility level: $config{api}\n",
719 if (keys %deprecated_options)
721 warn "***** Deprecated options: ",
722 join(", ", keys %deprecated_options), "\n";
724 if (keys %unsupported_options)
726 die "***** Unsupported options: ",
727 join(", ", keys %unsupported_options), "\n";
733 delete $disabled{"shared"} if ($disabled{"shared"} =~ /^default/);
737 @{$config{dirs}} = grep !/^fips$/, @{$config{dirs}};
740 my @tocheckfor = (keys %disabled);
741 while (@tocheckfor) {
742 my %new_tocheckfor = ();
743 my @cascade_copy = (@disable_cascades);
744 while (@cascade_copy) {
745 my ($test, $descendents) = (shift @cascade_copy, shift @cascade_copy);
746 if (ref($test) eq "CODE" ? $test->() : defined($disabled{$test})) {
748 $new_tocheckfor{$_} => 1; $disabled{$_} = "forced";
749 } grep { !defined($disabled{$_}) } @$descendents;
752 @tocheckfor = (keys %new_tocheckfor);
755 if ($target eq "TABLE") {
756 foreach (sort keys %table) {
757 print_table_entry($_, "TABLE");
762 if ($target eq "LIST") {
763 foreach (sort keys %table) {
764 print $_,"\n" unless $table{$_}->{template};
769 if ($target eq "HASH") {
770 print "%table = (\n";
771 foreach (sort keys %table) {
772 print_table_entry($_, "HASH");
777 # Backward compatibility?
778 if ($target =~ m/^CygWin32(-.*)$/) {
779 $target = "Cygwin".$1;
782 foreach (sort (keys %disabled))
784 $config{options} .= " no-$_";
786 printf " no-%-12s %-10s", $_, "[$disabled{$_}]";
798 elsif (/^dynamic-engine$/)
800 elsif (/^makedepend$/)
802 elsif (/^zlib-dynamic$/)
808 @{$config{dirs}} = grep !/^engines$/, @{$config{dirs}};
809 @{$config{sdirs}} = grep !/^engine$/, @{$config{sdirs}};
810 push @{$config{openssl_other_defines}}, "OPENSSL_NO_ENGINE";
815 ($ALGO = $algo = $_) =~ tr/[\-a-z]/[_A-Z]/;
817 if (/^asm$/ || /^err$/ || /^hw$/ || /^hw-/ || /^async$/
818 || /^autoalginit/ || /^autoerrinit/)
820 push @{$config{openssl_other_defines}}, "OPENSSL_NO_$ALGO";
821 print " OPENSSL_NO_$ALGO";
823 if (/^err$/) { push @user_defines, "OPENSSL_NO_ERR"; }
827 ($ALGO,$algo) = ("RMD160","rmd160") if ($algo eq "ripemd");
829 push @{$config{openssl_algorithm_defines}}, "OPENSSL_NO_$ALGO";
830 print " OPENSSL_NO_$ALGO";
832 # fix-up crypto/directory name(s)
833 $algo="whrlpool" if $algo eq "whirlpool";
834 $algo="ripemd" if $algo eq "rmd160";
835 @{$config{sdirs}} = grep { $_ ne $algo} @{$config{sdirs}};
844 print "Configuring for $target\n";
846 # Support for legacy targets having a name starting with 'debug-'
847 my ($d, $t) = $target =~ m/^(debug-)?(.*)$/;
849 $config{build_type} = "debug";
851 # If we do not find debug-foo in the table, the target is set to foo.
852 if (!$table{$target}) {
856 $config{target} = $target;
857 my %target = resolve_config($target);
859 &usage if (!%target || $target{template});
861 %target = ( %{$table{DEFAULTS}}, %target );
863 $target{exe_extension}="";
864 $target{exe_extension}=".exe" if ($config{target} eq "DJGPP"
865 || $config{target} =~ /^(?:Cygwin|mingw)/);
866 $target{exe_extension}=".nlm" if ($config{target} =~ /netware/);
867 $target{exe_extension}=".pm" if ($config{target} =~ /vos/);
869 ($target{shared_extension_simple}=$target{shared_extension})
870 =~ s|\.\$\(SHLIB_MAJOR\)\.\$\(SHLIB_MINOR\)||;
871 $target{dso_extension}=$target{shared_extension_simple};
872 ($target{shared_import_extension}=$target{shared_extension_simple}.".a")
873 if ($config{target} =~ /^(?:Cygwin|mingw)/);
876 $config{cross_compile_prefix} = $ENV{'CROSS_COMPILE'}
877 if $config{cross_compile_prefix} eq "";
879 # Allow overriding the names of some tools. USE WITH CARE
880 $config{perl} = $ENV{'PERL'} || which("perl5") || which("perl") || "perl";
881 $target{cc} = $ENV{'CC'} || $target{cc} || "cc";
882 $target{ranlib} = $ENV{'RANLIB'} || $target{ranlib} || which("ranlib") || "true";
883 $target{ar} = $ENV{'AR'} || $target{ar} || "ar";
884 $target{nm} = $ENV{'NM'} || $target{nm} || "nm";
886 # For cflags, lflags, plib_lflags, ex_libs and defines, add the debug_
887 # or release_ attributes.
888 # Do it in such a way that no spurious space is appended (hence the grep).
889 $config{defines} = [];
890 $config{cflags} = "";
891 $config{ex_libs} = "";
892 $config{shared_ldflag} = "";
894 # Make sure build_scheme is consistent.
895 $target{build_scheme} = [ $target{build_scheme} ]
896 if ref($target{build_scheme}) ne "ARRAY";
898 ###### TO BE REMOVED WHEN CLASSIC BUILD IS REMOVED
900 ###### If the user has chosen --classic, we give it to them.
901 ###### If they try that with an out-of-source config, we complain.
902 if ($target{build_scheme}->[0] eq "unified" && $classic) {
903 die "Can't perform a classic build out of source tree\n"
904 if $srcdir ne $blddir;
906 $target{build_scheme} = { unix => [ "unixmake" ],
907 windows => [ "mk1mf", $target{build_scheme}->[2] ],
908 VMS => undef } -> {$target{build_scheme}->[1]};
910 die "Classic mode unavailable on this platform\n"
911 unless defined($target{build_scheme});
914 my ($builder, $builder_platform, @builder_opts) =
915 @{$target{build_scheme}};
917 if ($target =~ /^mingw/ && `$target{cc} --target-help 2>&1` =~ m/-mno-cygwin/m)
919 $config{cflags} .= " -mno-cygwin";
920 $config{shared_ldflag} .= " -mno-cygwin";
923 if ($target =~ /linux.*-mips/ && !$disabled{asm} && $user_cflags !~ /-m(ips|arch=)/) {
924 # minimally required architecture flags for assembly modules
925 $config{cflags}="-mips2 $config{cflags}" if ($target =~ /mips32/);
926 $config{cflags}="-mips3 $config{cflags}" if ($target =~ /mips64/);
929 my $no_shared_warn=0;
930 my $no_user_cflags=0;
931 my $no_user_defines=0;
933 # The DSO code currently always implements all functions so that no
934 # applications will have to worry about that from a compilation point
935 # of view. However, the "method"s may return zero unless that platform
936 # has support compiled in for them. Currently each method is enabled
937 # by a define "DSO_<name>" ... we translate the "dso_scheme" config
938 # string entry into using the following logic;
939 if (!$disabled{dso} && $target{dso_scheme} ne "")
941 $target{dso_scheme} =~ tr/[a-z]/[A-Z]/;
942 if ($target{dso_scheme} eq "DLFCN")
944 unshift @{$config{defines}}, "DSO_DLFCN", "HAVE_DLFCN_H";
946 elsif ($target{dso_scheme} eq "DLFCN_NO_H")
948 unshift @{$config{defines}}, "DSO_DLFCN";
952 unshift @{$config{defines}}, "DSO_$target{dso_scheme}";
956 $config{ex_libs}="$libs$config{ex_libs}" if ($libs ne "");
962 @{$config{defines}} = grep !/^[BL]_ENDIAN$/, @{$config{defines}};
963 @{$target{defines}} = grep !/^[BL]_ENDIAN$/, @{$target{defines}};
967 # If threads aren't disabled, check how possible they are
968 unless ($disabled{threads}) {
970 # Enabled by default, disable it forcibly if unavailable
971 if ($target{thread_scheme} eq "(unknown)") {
972 $disabled{threads} = "unavailable";
975 # The user chose to enable threads explicitely, let's see
976 # if there's a chance that's possible
977 if ($target{thread_scheme} eq "(unknown)") {
978 # If the user asked for "threads" and we don't have internal
979 # knowledge how to do it, [s]he is expected to provide any
980 # system-dependent compiler options that are necessary. We
981 # can't truly check that the given options are correct, but
982 # we expect the user to know what [s]He is doing.
983 if ($no_user_cflags && $no_user_defines) {
984 die "You asked for multi-threading support, but didn't\n"
985 ,"provide any system-specific compiler options\n";
991 # If threads still aren't disabled, add a C macro to ensure the source
992 # code knows about it. Any other flag is taken care of by the configs.
993 unless($disabled{threads}) {
994 foreach (("defines", "openssl_thread_defines")) {
995 push @{$config{$_}}, "OPENSSL_THREADS";
999 # With "deprecated" disable all deprecated features.
1000 if (defined($disabled{"deprecated"})) {
1001 $config{api} = $maxapi;
1004 if ($target{shared_target} eq "")
1007 if ((!$disabled{shared} || !$disabled{"dynamic-engine"})
1009 $disabled{shared} = "no-shared-target";
1010 $disabled{pic} = $disabled{shared} = $disabled{"dynamic-engine"} =
1014 if ($disabled{"dynamic-engine"}) {
1015 push @{$config{defines}}, "OPENSSL_NO_DYNAMIC_ENGINE";
1016 $config{dynamic_engines} = 0;
1018 push @{$config{defines}}, "OPENSSL_NO_STATIC_ENGINE";
1019 $config{dynamic_engines} = 1;
1026 # This saves the build files from having to check
1029 $target{shared_cflag} = $target{shared_ldflag} =
1030 $target{shared_rcflag} = "";
1034 push @{$config{defines}}, "OPENSSL_PIC";
1037 if ($target{sys_id} ne "")
1039 push @{$config{openssl_sys_defines}}, "OPENSSL_SYS_$target{sys_id}";
1042 unless ($disabled{asm}) {
1043 $target{cpuid_asm_src}=$table{DEFAULTS}->{cpuid_asm_src} if ($config{processor} eq "386");
1044 $target{bn_asm_src} =~ s/\w+-gf2m.c// if (defined($disabled{ec2m}));
1046 # bn-586 is the only one implementing bn_*_part_words
1047 push @{$config{defines}}, "OPENSSL_BN_ASM_PART_WORDS" if ($target{bn_asm_src} =~ /bn-586/);
1048 push @{$config{defines}}, "OPENSSL_IA32_SSE2" if (!$no_sse2 && $target{bn_asm_src} =~ /86/);
1050 push @{$config{defines}}, "OPENSSL_BN_ASM_MONT" if ($target{bn_asm_src} =~ /-mont/);
1051 push @{$config{defines}}, "OPENSSL_BN_ASM_MONT5" if ($target{bn_asm_src} =~ /-mont5/);
1052 push @{$config{defines}}, "OPENSSL_BN_ASM_GF2m" if ($target{bn_asm_src} =~ /-gf2m/);
1054 if ($config{fips}) {
1055 push @{$config{openssl_other_defines}}, "OPENSSL_FIPS";
1058 if ($target{sha1_asm_src}) {
1059 push @{$config{defines}}, "SHA1_ASM" if ($target{sha1_asm_src} =~ /sx86/ || $target{sha1_asm_src} =~ /sha1/);
1060 push @{$config{defines}}, "SHA256_ASM" if ($target{sha1_asm_src} =~ /sha256/);
1061 push @{$config{defines}}, "SHA512_ASM" if ($target{sha1_asm_src} =~ /sha512/);
1063 if ($target{md5_asm_src}) {
1064 push @{$config{defines}}, "MD5_ASM";
1066 $target{cast_asm_src}=$table{DEFAULTS}->{cast_asm_src} unless $disabled{pic}; # CAST assembler is not PIC
1067 if ($target{rmd160_asm_src}) {
1068 push @{$config{defines}}, "RMD160_ASM";
1070 if ($target{aes_asm_src}) {
1071 push @{$config{defines}}, "AES_ASM" if ($target{aes_asm_src} =~ m/\baes-/);;
1072 # aes-ctr.fake is not a real file, only indication that assembler
1073 # module implements AES_ctr32_encrypt...
1074 push @{$config{defines}}, "AES_CTR_ASM" if ($target{aes_asm_src} =~ s/\s*aes-ctr\.fake//);
1075 # aes-xts.fake indicates presence of AES_xts_[en|de]crypt...
1076 push @{$config{defines}}, "AES_XTS_ASM" if ($target{aes_asm_src} =~ s/\s*aes-xts\.fake//);
1077 $target{aes_asm_src} =~ s/\s*(vpaes|aesni)-x86\.s//g if ($no_sse2);
1078 push @{$config{defines}}, "VPAES_ASM" if ($target{aes_asm_src} =~ m/vpaes/);
1079 push @{$config{defines}}, "BSAES_ASM" if ($target{aes_asm_src} =~ m/bsaes/);
1081 if ($target{wp_asm_src} =~ /mmx/) {
1082 if ($config{processor} eq "386") {
1083 $target{wp_asm_src}=$table{DEFAULTS}->{wp_asm_src};
1084 } elsif (!$disabled{"whirlpool"}) {
1085 push @{$config{defines}}, "WHIRLPOOL_ASM";
1088 if ($target{modes_asm_src} =~ /ghash-/) {
1089 push @{$config{defines}}, "GHASH_ASM";
1091 if ($target{ec_asm_src} =~ /ecp_nistz256/) {
1092 push @{$config{defines}}, "ECP_NISTZ256_ASM";
1094 if ($target{poly1305_asm_src} ne "") {
1095 push @{$config{defines}}, "POLY1305_ASM";
1099 my $ecc = $target{cc};
1100 if ($^O ne "VMS" && !$disabled{makedepend}) {
1101 # Is the compiler gcc or clang? $ecc is used below to see if
1102 # error-checking can be turned on.
1103 my $ccpcc = "$config{cross_compile_prefix}$target{cc}";
1104 $config{makedepprog} = which('makedepend');
1105 open(PIPE, "$ccpcc --version 2>&1 | head -2 |");
1107 $config{makedepprog} = $ccpcc if /clang|gcc/;
1108 $ecc = "clang" if /clang/;
1109 $ecc = "gcc" if /gcc/;
1113 $disabled{makedepend} = "unavailable" unless $config{makedepprog};
1118 # Deal with bn_ops ###################################################
1121 $config{export_var_as_fn} =0;
1122 my $def_int="unsigned int";
1123 $config{rc4_int} =$def_int;
1124 ($config{b64l},$config{b64},$config{b32})=(0,0,1);
1127 foreach (sort split(/\s+/,$target{bn_ops})) {
1128 $count++ if /SIXTY_FOUR_BIT|SIXTY_FOUR_BIT_LONG|THIRTY_TWO_BIT/;
1129 $config{export_var_as_fn}=1 if $_ eq 'EXPORT_VAR_AS_FN';
1130 $config{bn_ll}=1 if $_ eq 'BN_LLONG';
1131 $config{rc4_int}="unsigned char" if $_ eq 'RC4_CHAR';
1132 ($config{b64l},$config{b64},$config{b32})
1133 =(0,1,0) if $_ eq 'SIXTY_FOUR_BIT';
1134 ($config{b64l},$config{b64},$config{b32})
1135 =(1,0,0) if $_ eq 'SIXTY_FOUR_BIT_LONG';
1136 ($config{b64l},$config{b64},$config{b32})
1137 =(0,0,1) if $_ eq 'THIRTY_TWO_BIT';
1139 die "Exactly one of SIXTY_FOUR_BIT|SIXTY_FOUR_BIT_LONG|THIRTY_TWO_BIT can be set in bn_ops\n"
1143 # Hack cflags for better warnings (dev option) #######################
1145 # "Stringify" the C flags string. This permits it to be made part of a string
1146 # and works as well on command lines.
1147 $config{cflags} =~ s/([\\\"])/\\\1/g;
1149 if (defined($config{api})) {
1150 $config{openssl_api_defines} = [ "OPENSSL_MIN_API=".$apitable->{$config{api}} ];
1151 my $apiflag = sprintf("OPENSSL_API_COMPAT=%s", $apitable->{$config{api}});
1152 push @{$config{defines}}, $apiflag;
1155 if ($strict_warnings)
1158 die "ERROR --strict-warnings requires gcc or clang"
1159 unless $ecc eq 'gcc' || $ecc eq 'clang';
1160 foreach $wopt (split /\s+/, $gcc_devteam_warn)
1162 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1164 if ($ecc eq "clang")
1166 foreach $wopt (split /\s+/, $clang_devteam_warn)
1168 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1173 unless ($disabled{"crypto-mdebug-backtrace"})
1175 foreach my $wopt (split /\s+/, $memleak_devteam_backtrace)
1177 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1179 if ($target =~ /^BSD-/)
1181 $config{ex_libs} .= " -lexecinfo";
1185 if ($user_cflags ne "") { $config{cflags}="$config{cflags}$user_cflags"; }
1186 else { $no_user_cflags=1; }
1187 if (@user_defines) { $config{defines}=[ @{$config{defines}}, @user_defines ]; }
1188 else { $no_user_defines=1; }
1190 # ALL MODIFICATIONS TO %config and %target MUST BE DONE FROM HERE ON
1193 if ($target =~ m/^linux/) {
1194 my $minver = 4*10000 + 1*100 + 0;
1195 if ($config{cross_compile_prefix} eq "") {
1196 my $verstr = `uname -r`;
1197 my ($ma, $mi1, $mi2) = split("\\.", $verstr);
1198 ($mi2) = $mi2 =~ /(\d+)/;
1199 my $ver = $ma*10000 + $mi1*100 + $mi2;
1200 if ($ver < $minver) {
1201 $disabled{afalg} = "too-old-kernel";
1203 push @{$config{engdirs}}, "afalg";
1207 $disabled{afalg} = "not-linux";
1210 push @{$config{openssl_other_defines}}, "OPENSSL_NO_AFALGENG" if ($disabled{afalg});
1212 # If we use the unified build, collect information from build.info files
1213 my %unified_info = ();
1215 if ($builder eq "unified") {
1216 # Store the name of the template file we will build the build file from
1217 # in %config. This may be useful for the build file itself.
1218 my $build_file_template =
1219 catfile($srcdir, "Configurations",
1220 $builder_platform."-".$target{build_file}.".tmpl");
1221 $build_file_template =
1222 catfile($srcdir, "Configurations", $target{build_file}.".tmpl")
1223 if (! -f $build_file_template);
1224 $config{build_file_template} = $build_file_template;
1226 use lib catdir(dirname(__FILE__),"util");
1227 use with_fallback qw(Text::Template);
1232 my $relativeto = shift || ".";
1234 $dir = catdir($base,$dir) unless isabsolute($dir);
1236 # Make sure the directories we're building in exists
1239 my $res = abs2rel(absolutedir($dir), rel2abs($relativeto));
1240 #print STDERR "DEBUG[cleandir]: $dir , $base => $res\n";
1247 my $relativeto = shift || ".";
1249 $file = catfile($base,$file) unless isabsolute($file);
1251 my $d = dirname($file);
1252 my $f = basename($file);
1254 # Make sure the directories we're building in exists
1257 my $res = abs2rel(catfile(absolutedir($d), $f), rel2abs($relativeto));
1258 #print STDERR "DEBUG[cleanfile]: $d , $f => $res\n";
1262 my @build_infos = ( [ ".", "build.info" ] );
1263 foreach (@{$config{dirs}}) {
1264 push @build_infos, [ $_, "build.info" ]
1265 if (-f catfile($srcdir, $_, "build.info"));
1267 foreach (@{$config{sdirs}}) {
1268 push @build_infos, [ catdir("crypto", $_), "build.info" ]
1269 if (-f catfile($srcdir, "crypto", $_, "build.info"));
1271 foreach (@{$config{engdirs}}) {
1272 push @build_infos, [ catdir("engines", $_), "build.info" ]
1273 if (-f catfile($srcdir, "engines", $_, "build.info"));
1276 $config{build_infos} = [ ];
1278 foreach (@build_infos) {
1279 my $sourced = catdir($srcdir, $_->[0]);
1280 my $buildd = catdir($blddir, $_->[0]);
1285 # The basic things we're trying to build
1292 my @intermediates = ();
1300 my %sharednames = ();
1303 push @{$config{build_infos}}, catfile(abs2rel($sourced, $blddir), $f);
1304 my $template = Text::Template->new(TYPE => 'FILE',
1305 SOURCE => catfile($sourced, $f));
1306 die "Something went wrong with $sourced/$f: $!\n" unless $template;
1309 $template->fill_in(HASH => { config => \%config,
1311 disabled => \%disabled,
1312 builddir => abs2rel($buildd, $blddir),
1313 sourcedir => abs2rel($sourced, $blddir),
1314 buildtop => abs2rel($blddir, $blddir),
1315 sourcetop => abs2rel($srcdir, $blddir) },
1316 DELIMITERS => [ "{-", "-}" ]);
1318 # The top item of this stack has the following values
1319 # -2 positive already run and we found ELSE (following ELSIF should fail)
1320 # -1 positive already run (skip until ENDIF)
1321 # 0 negatives so far (if we're at a condition, check it)
1322 # 1 last was positive (don't skip lines until next ELSE, ELSIF or ENDIF)
1323 # 2 positive ELSE (following ELSIF should fail)
1325 collect_information(
1326 collect_from_array([ @text ],
1327 qr/\\$/ => sub { my $l1 = shift; my $l2 = shift;
1328 $l1 =~ s/\\$//; $l1.$l2 }),
1329 # Info we're looking for
1330 qr/^\s*IF\[((?:\\.|[^\\\]])*)\]\s*$/
1331 => sub { push @skip, !! $1; },
1332 qr/^\s*ELSIF\[((?:\\.|[^\\\]])*)\]\s*$/
1333 => sub { die "ELSIF out of scope" if ! @skip;
1334 die "ELSIF following ELSE" if abs($skip[$#skip]) == 2;
1335 $skip[$#skip] = -1 if $skip[$#skip] != 0;
1336 $skip[$#skip] = !! $1
1337 if $skip[$#skip] == 0; },
1339 => sub { die "ELSE out of scope" if ! @skip;
1340 $skip[$#skip] = -2 if $skip[$#skip] != 0;
1341 $skip[$#skip] = 2 if $skip[$#skip] == 0; },
1343 => sub { die "ENDIF out of scope" if ! @skip;
1345 qr/^\s*PROGRAMS\s*=\s*(.*)\s*$/
1346 => sub { push @programs, split(/\s+/, $1)
1347 if !@skip || $skip[$#skip] > 0 },
1348 qr/^\s*LIBS\s*=\s*(.*)\s*$/
1349 => sub { push @libraries, split(/\s+/, $1)
1350 if !@skip || $skip[$#skip] > 0 },
1351 qr/^\s*ENGINES\s*=\s*(.*)\s*$/
1352 => sub { push @engines, split(/\s+/, $1)
1353 if !@skip || $skip[$#skip] > 0 },
1354 qr/^\s*SCRIPTS\s*=\s*(.*)\s*$/
1355 => sub { push @scripts, split(/\s+/, $1)
1356 if !@skip || $skip[$#skip] > 0 },
1357 qr/^\s*EXTRA\s*=\s*(.*)\s*$/
1358 => sub { push @extra, split(/\s+/, $1)
1359 if !@skip || $skip[$#skip] > 0 },
1360 qr/^\s*OVERRIDES\s*=\s*(.*)\s*$/
1361 => sub { push @overrides, split(/\s+/, $1)
1362 if !@skip || $skip[$#skip] > 0 },
1364 qr/^\s*ORDINALS\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/,
1365 => sub { push @{$ordinals{$1}}, split(/\s+/, $2)
1366 if !@skip || $skip[$#skip] > 0 },
1367 qr/^\s*SOURCE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1368 => sub { push @{$sources{$1}}, split(/\s+/, $2)
1369 if !@skip || $skip[$#skip] > 0 },
1370 qr/^\s*INCLUDE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1371 => sub { push @{$includes{$1}}, split(/\s+/, $2)
1372 if !@skip || $skip[$#skip] > 0 },
1373 qr/^\s*DEPEND\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1374 => sub { push @{$depends{$1}}, split(/\s+/, $2)
1375 if !@skip || $skip[$#skip] > 0 },
1376 qr/^\s*GENERATE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1377 => sub { push @{$generate{$1}}, $2
1378 if !@skip || $skip[$#skip] > 0 },
1379 qr/^\s*RENAME\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1380 => sub { push @{$renames{$1}}, split(/\s+/, $2)
1381 if !@skip || $skip[$#skip] > 0 },
1382 qr/^\s*SHARED_NAME\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1383 => sub { push @{$sharednames{$1}}, split(/\s+/, $2)
1384 if !@skip || $skip[$#skip] > 0 },
1385 qr/^\s*BEGINRAW\[((?:\\.|[^\\\]])+)\]\s*$/
1387 my $lineiterator = shift;
1388 my $target_kind = $1;
1389 while (defined $lineiterator->()) {
1391 if (/^\s*ENDRAW\[((?:\\.|[^\\\]])+)\]\s*$/) {
1392 die "ENDRAW doesn't match BEGINRAW"
1393 if $1 ne $target_kind;
1396 next if @skip && $skip[$#skip] <= 0;
1398 if ($target_kind eq $target{build_file}
1399 || $target_kind eq $target{build_file}."(".$builder_platform.")");
1402 qr/^(?:#.*|\s*)$/ => sub { },
1403 "OTHERWISE" => sub { die "Something wrong with this line:\n$_\nat $sourced/$f" }
1405 die "runaway IF?" if (@skip);
1407 foreach (keys %renames) {
1408 die "$_ renamed to more than one thing: "
1409 ,join(" ", @{$renames{$_}}),"\n"
1410 if scalar @{$renames{$_}} > 1;
1411 my $dest = cleanfile($buildd, $_, $blddir);
1412 my $to = cleanfile($buildd, $renames{$_}->[0], $blddir);
1413 die "$dest renamed to more than one thing: "
1414 ,$unified_info{rename}->{$dest}, $to
1415 unless !defined($unified_info{rename}->{$dest})
1416 or $unified_info{rename}->{$dest} eq $to;
1417 $unified_info{rename}->{$dest} = $to;
1420 foreach (@programs) {
1421 my $program = cleanfile($buildd, $_, $blddir);
1422 if ($unified_info{rename}->{$program}) {
1423 $program = $unified_info{rename}->{$program};
1425 $unified_info{programs}->{$program} = 1;
1428 foreach (@libraries) {
1429 my $library = cleanfile($buildd, $_, $blddir);
1430 if ($unified_info{rename}->{$library}) {
1431 $library = $unified_info{rename}->{$library};
1433 $unified_info{libraries}->{$library} = 1;
1436 die <<"EOF" if scalar @engines and !$config{dynamic_engines};
1437 ENGINES can only be used if configured with 'dynamic-engine'.
1438 This is usually a fault in a build.info file.
1440 foreach (@engines) {
1441 my $library = cleanfile($buildd, $_, $blddir);
1442 if ($unified_info{rename}->{$library}) {
1443 $library = $unified_info{rename}->{$library};
1445 $unified_info{engines}->{$library} = 1;
1448 foreach (@scripts) {
1449 my $script = cleanfile($buildd, $_, $blddir);
1450 if ($unified_info{rename}->{$script}) {
1451 $script = $unified_info{rename}->{$script};
1453 $unified_info{scripts}->{$script} = 1;
1457 my $extra = cleanfile($buildd, $_, $blddir);
1458 $unified_info{extra}->{$extra} = 1;
1461 foreach (@overrides) {
1462 my $override = cleanfile($buildd, $_, $blddir);
1463 $unified_info{overrides}->{$override} = 1;
1466 push @{$unified_info{rawlines}}, @rawlines;
1468 unless ($disabled{shared}) {
1469 # Check sharednames.
1470 foreach (keys %sharednames) {
1471 my $dest = cleanfile($buildd, $_, $blddir);
1472 if ($unified_info{rename}->{$dest}) {
1473 $dest = $unified_info{rename}->{$dest};
1475 die "shared_name for $dest with multiple values: "
1476 ,join(" ", @{$sharednames{$_}}),"\n"
1477 if scalar @{$sharednames{$_}} > 1;
1478 my $to = cleanfile($buildd, $sharednames{$_}->[0], $blddir);
1479 die "shared_name found for a library $dest that isn't defined\n"
1480 unless $unified_info{libraries}->{$dest};
1481 die "shared_name for $dest with multiple values: "
1482 ,$unified_info{sharednames}->{$dest}, ", ", $to
1483 unless !defined($unified_info{sharednames}->{$dest})
1484 or $unified_info{sharednames}->{$dest} eq $to;
1485 $unified_info{sharednames}->{$dest} = $to;
1488 # Additionally, we set up sharednames for libraries that don't
1489 # have any, as themselves.
1490 foreach (keys %{$unified_info{libraries}}) {
1491 if (!defined $unified_info{sharednames}->{$_}) {
1492 $unified_info{sharednames}->{$_} = $_
1497 foreach (keys %ordinals) {
1499 my $ddest = cleanfile($buildd, $_, $blddir);
1500 if ($unified_info{rename}->{$ddest}) {
1501 $ddest = $unified_info{rename}->{$ddest};
1503 foreach (@{$ordinals{$dest}}) {
1504 my %known_ordinals =
1507 cleanfile($sourced, catfile("util", "libcrypto.num"), $blddir),
1509 cleanfile($sourced, catfile("util", "libssl.num"), $blddir)
1511 my $o = $known_ordinals{$_};
1512 die "Ordinals for $ddest defined more than once\n"
1513 if $unified_info{ordinals}->{$ddest};
1514 $unified_info{ordinals}->{$ddest} = [ $_, $o ];
1518 foreach (keys %sources) {
1520 my $ddest = cleanfile($buildd, $_, $blddir);
1521 if ($unified_info{rename}->{$ddest}) {
1522 $ddest = $unified_info{rename}->{$ddest};
1524 foreach (@{$sources{$dest}}) {
1525 my $s = cleanfile($sourced, $_, $blddir);
1527 # If it isn't in the source tree, we assume it's generated
1530 $s = cleanfile($buildd, $_, $blddir);
1532 # We recognise C and asm files
1533 if ($s =~ /\.[csS]\b$/) {
1534 (my $o = $_) =~ s/\.[csS]\b$/.o/;
1535 $o = cleanfile($buildd, $o, $blddir);
1536 $unified_info{sources}->{$ddest}->{$o} = 1;
1537 $unified_info{sources}->{$o}->{$s} = 1;
1539 $unified_info{sources}->{$ddest}->{$s} = 1;
1544 foreach (keys %generate) {
1546 my $ddest = cleanfile($buildd, $_, $blddir);
1547 if ($unified_info{rename}->{$ddest}) {
1548 $ddest = $unified_info{rename}->{$ddest};
1550 die "more than one generator for $dest: "
1551 ,join(" ", @{$generate{$_}}),"\n"
1552 if scalar @{$generate{$_}} > 1;
1553 my @generator = split /\s+/, $generate{$dest}->[0];
1554 $generator[0] = cleanfile($sourced, $generator[0], $blddir),
1555 $unified_info{generate}->{$ddest} = [ @generator ];
1558 foreach (keys %depends) {
1560 my $ddest = cleanfile($buildd, $_, $blddir);
1561 if ($unified_info{rename}->{$ddest}) {
1562 $ddest = $unified_info{rename}->{$ddest};
1564 foreach (@{$depends{$dest}}) {
1565 my $d = cleanfile($sourced, $_, $blddir);
1567 # If we know it's generated, or assume it is because we can't
1568 # find it in the source tree, we set file we depend on to be
1569 # in the build tree rather than the source tree, and assume
1570 # and that there are lines to build it in a BEGINRAW..ENDRAW
1571 # section or in the Makefile template.
1573 || !(grep { $d eq $_ }
1574 map { cleanfile($srcdir, $_, $blddir) }
1575 (@generated_headers, @generated_by_make_headers))) {
1576 $d = cleanfile($buildd, $_, $blddir);
1578 # Take note if the file to depend on is being renamed
1579 if ($unified_info{rename}->{$d}) {
1580 $d = $unified_info{rename}->{$d};
1582 $unified_info{depends}->{$ddest}->{$d} = 1;
1583 # If we depend on a header file, let's make sure it
1586 my $i = dirname($d);
1587 push @{$unified_info{includes}->{$ddest}}, $i
1588 unless grep { $_ eq $i } @{$unified_info{includes}->{$ddest}};
1593 foreach (keys %includes) {
1595 my $ddest = cleanfile($buildd, $_, $blddir);
1596 if ($unified_info{rename}->{$ddest}) {
1597 $ddest = $unified_info{rename}->{$ddest};
1599 foreach (@{$includes{$dest}}) {
1600 my $i = cleandir($sourced, $_, $blddir);
1601 push @{$unified_info{includes}->{$ddest}}, $i
1602 unless grep { $_ eq $i } @{$unified_info{includes}->{$ddest}};
1607 ### Make unified_info a bit more efficient
1608 # One level structures
1609 foreach (("programs", "libraries", "engines", "scripts", "extra", "overrides")) {
1610 $unified_info{$_} = [ sort keys %{$unified_info{$_}} ];
1612 # Two level structures
1613 foreach my $l1 (("sources", "ldadd", "depends")) {
1614 foreach my $l2 (sort keys %{$unified_info{$l1}}) {
1615 $unified_info{$l1}->{$l2} =
1616 [ sort keys %{$unified_info{$l1}->{$l2}} ];
1621 # For the schemes that need it, we provide the old *_obj configs
1622 # from the *_asm_obj ones
1623 foreach (grep /_(asm|aux)_src$/, keys %target) {
1625 (my $obj = $_) =~ s/_(asm|aux)_src$/_obj/;
1626 ($target{$obj} = $target{$src}) =~ s/\.[csS]\b/.o/g;
1629 # Write down our configuration where it fits #########################
1631 open(OUT,">configdata.pm") || die "unable to create configdata.pm: $!\n";
1639 #use vars qw(\@ISA \@EXPORT);
1640 our \@ISA = qw(Exporter);
1641 our \@EXPORT = qw(\%config \%target %disabled %withargs %unified_info);
1644 print OUT "our %config = (\n";
1645 foreach (sort keys %config) {
1646 if (ref($config{$_}) eq "ARRAY") {
1647 print OUT " ", $_, " => [ ", join(", ",
1648 map { quotify("perl", $_) }
1649 @{$config{$_}}), " ],\n";
1651 print OUT " ", $_, " => ", quotify("perl", $config{$_}), ",\n"
1658 print OUT "our %target = (\n";
1659 foreach (sort keys %target) {
1660 if (ref($target{$_}) eq "ARRAY") {
1661 print OUT " ", $_, " => [ ", join(", ",
1662 map { quotify("perl", $_) }
1663 @{$target{$_}}), " ],\n";
1665 print OUT " ", $_, " => ", quotify("perl", $target{$_}), ",\n"
1672 print OUT "our \%available_protocols = (\n";
1673 print OUT " tls => [ ", join(", ", map { quotify("perl", $_) } @tls), " ],\n";
1674 print OUT " dtls => [ ", join(", ", map { quotify("perl", $_) } @dtls), " ],\n";
1679 print OUT "our \%disabled = (\n";
1680 foreach (sort keys %disabled) {
1681 print OUT " ", quotify("perl", $_), " => ", quotify("perl", $disabled{$_}), ",\n";
1687 print OUT "our %withargs = (\n";
1688 foreach (sort keys %withargs) {
1689 if (ref($withargs{$_}) eq "ARRAY") {
1690 print OUT " ", $_, " => [ ", join(", ",
1691 map { quotify("perl", $_) }
1692 @{$withargs{$_}}), " ],\n";
1694 print OUT " ", $_, " => ", quotify("perl", $withargs{$_}), ",\n"
1701 if ($builder eq "unified") {
1706 if (ref $_ eq "ARRAY") {
1707 print OUT " "x$indent, "[\n";
1709 $recurse->($indent + 4, $_);
1711 print OUT " "x$indent, "],\n";
1712 } elsif (ref $_ eq "HASH") {
1714 print OUT " "x$indent, "{\n";
1715 foreach (sort keys %h) {
1716 if (ref $h{$_} eq "") {
1717 print OUT " "x($indent + 4), quotify("perl", $_), " => ", quotify("perl", $h{$_}), ",\n";
1719 print OUT " "x($indent + 4), quotify("perl", $_), " =>\n";
1720 $recurse->($indent + 8, $h{$_});
1723 print OUT " "x$indent, "},\n";
1725 print OUT " "x$indent, quotify("perl", $_), ",\n";
1729 print OUT "our %unified_info = (\n";
1730 foreach (sort keys %unified_info) {
1731 if (ref $unified_info{$_} eq "") {
1732 print OUT " "x4, quotify("perl", $_), " => ", quotify("perl", $unified_info{$_}), ",\n";
1734 print OUT " "x4, quotify("perl", $_), " =>\n";
1735 $recurse->(8, $unified_info{$_});
1747 print "IsMK1MF =", ($builder eq "mk1mf" ? "yes" : "no"), "\n";
1748 print "CC =$target{cc}\n";
1749 print "CFLAG =$target{cflags} $config{cflags}\n";
1750 print "DEFINES =",join(" ", @{$target{defines}}, @{$config{defines}}),"\n";
1751 print "LFLAG =$target{lflags}\n";
1752 print "PLIB_LFLAG =$target{plib_lflags}\n";
1753 print "EX_LIBS =$target{ex_libs} $config{ex_libs}\n";
1754 print "APPS_OBJ =$target{apps_obj}\n";
1755 print "CPUID_OBJ =$target{cpuid_obj}\n";
1756 print "UPLINK_OBJ =$target{uplink_obj}\n";
1757 print "BN_ASM =$target{bn_obj}\n";
1758 print "EC_ASM =$target{ec_obj}\n";
1759 print "DES_ENC =$target{des_obj}\n";
1760 print "AES_ENC =$target{aes_obj}\n";
1761 print "BF_ENC =$target{bf_obj}\n";
1762 print "CAST_ENC =$target{cast_obj}\n";
1763 print "RC4_ENC =$target{rc4_obj}\n";
1764 print "RC5_ENC =$target{rc5_obj}\n";
1765 print "MD5_OBJ_ASM =$target{md5_obj}\n";
1766 print "SHA1_OBJ_ASM =$target{sha1_obj}\n";
1767 print "RMD160_OBJ_ASM=$target{rmd160_obj}\n";
1768 print "CMLL_ENC =$target{cmll_obj}\n";
1769 print "MODES_OBJ =$target{modes_obj}\n";
1770 print "PADLOCK_OBJ =$target{padlock_obj}\n";
1771 print "CHACHA_ENC =$target{chacha_obj}\n";
1772 print "POLY1305_OBJ =$target{poly1305_obj}\n";
1773 print "PROCESSOR =$config{processor}\n";
1774 print "RANLIB =$target{ranlib}\n";
1775 print "ARFLAGS =$target{arflags}\n";
1776 print "PERL =$config{perl}\n";
1778 print "SIXTY_FOUR_BIT_LONG mode\n" if $config{b64l};
1779 print "SIXTY_FOUR_BIT mode\n" if $config{b64};
1780 print "THIRTY_TWO_BIT mode\n" if $config{b32};
1781 print "BN_LLONG mode\n" if $config{bn_ll};
1782 print "RC4 uses $config{rc4_int}\n" if $config{rc4_int} != $def_int;
1784 for (@generated_headers) {
1785 mkpath(catdir($blddir, dirname($_)));
1786 run_dofile(catfile($blddir, $_),
1787 catfile($srcdir, $_.".in"));
1791 ### When the old "unixmake" scheme goes away, so does this function
1793 sub build_Makefile {
1794 run_dofile("Makefile","Makefile.in");
1796 # Copy all Makefile.in to Makefile (except top-level)
1805 return if ($_ ne "Makefile.in" || $File::Find::dir eq ".");
1806 my $in = IO::File->new($_, "r") or
1807 die sprintf "Error reading Makefile.in in %s: !$\n",
1809 my $out = IO::File->new("Makefile", "w") or
1810 die sprintf "Error writing Makefile in %s: !$\n",
1812 print $out "# Generated from $_, do not edit\n";
1813 while (my $line = <$in>) { print $out $line }
1815 die sprintf "Error reading Makefile.in in %s: !$\n",
1818 die sprintf "Error writing Makefile in %s: !$\n",
1827 run_dofile(catfile($blddir, $target{build_file}),
1828 $config{build_file_template},
1829 catfile($srcdir, "Configurations", "common.tmpl"));
1834 run_dofile("util/domd", "util/domd.in");
1835 chmod 0755, "util/domd";
1838 my $platform = shift;
1839 # The only reason we do this is to have something to build MINFO from
1842 # create the ms/version32.rc file if needed
1843 if ($platform ne "netware") {
1844 my ($v1, $v2, $v3, $v4);
1845 if ($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) {
1851 open (OUT,">ms/version32.rc") || die "Can't open ms/version32.rc";
1858 FILEVERSION $v1,$v2,$v3,$v4
1859 PRODUCTVERSION $v1,$v2,$v3,$v4
1866 FILEOS VOS__WINDOWS32
1870 BLOCK "StringFileInfo"
1875 VALUE "CompanyName", "The OpenSSL Project, http://www.openssl.org/\\0"
1876 VALUE "FileDescription", "OpenSSL Shared Library\\0"
1877 VALUE "FileVersion", "$config{version}\\0"
1879 VALUE "InternalName", "libcrypto32\\0"
1880 VALUE "OriginalFilename", "libcrypto32.dll\\0"
1882 VALUE "InternalName", "libssl32\\0"
1883 VALUE "OriginalFilename", "libssl32.dll\\0"
1885 VALUE "ProductName", "The OpenSSL Toolkit\\0"
1886 VALUE "ProductVersion", "$config{version}\\0"
1888 //VALUE "Comments", "\\0"
1889 VALUE "LegalCopyright", "Copyright © 1998-2015 The OpenSSL Project. Copyright © 1995-1998 Eric A. Young, Tim J. Hudson. All rights reserved.\\0"
1890 //VALUE "LegalTrademarks", "\\0"
1891 //VALUE "PrivateBuild", "\\0"
1892 //VALUE "SpecialBuild", "\\0"
1897 VALUE "Translation", 0x409, 0x4b0
1906 $builders{$builder}->($builder_platform, @builder_opts);
1910 Configured for $target.
1913 print <<"EOF" if ($disabled{threads} eq "unavailable");
1915 The library could not be configured for supporting multi-threaded
1916 applications as the compiler options required on this system are not known.
1917 See file INSTALL for details if you need multi-threading.
1920 print <<"EOF" if ($no_shared_warn);
1922 The options 'shared', 'pic' and 'dynamic-engine' aren't supported on this
1923 platform, so we will pretend you gave the option 'no-pic', which also disables
1924 'shared' and 'dynamic-engine'. If you know how to implement shared libraries
1925 or position independent code, please let us know (but please first make sure
1926 you have tried with a current version of OpenSSL).
1931 ######################################################################
1933 # Helpers and utility functions
1936 # Configuration file reading #########################################
1938 # Helper function to implement conditional inheritance depending on the
1939 # value of $disabled{asm}. Used in inherit_from values as follows:
1941 # inherit_from => [ "template", asm("asm_tmpl") ]
1946 $disabled{asm} ? () : @x;
1950 our $add_called = 0;
1951 # Helper function to implement adding values to already existing configuration
1952 # values. It handles elements that are ARRAYs, CODEs and scalars
1954 my $separator = shift;
1956 # If there's any ARRAY in the collection of values OR the separator
1957 # is undef, we will return an ARRAY of combined values, otherwise a
1958 # string of joined values with $separator as the separator.
1959 my $found_array = !defined($separator);
1964 while (ref($res) eq "CODE") {
1967 if (defined($res)) {
1968 if (ref($res) eq "ARRAY") {
1984 join($separator, grep { defined($_) && $_ ne "" } @values);
1988 my $separator = " ";
1989 if (ref($_[$#_]) eq "HASH") {
1991 $separator = $opts->{separator};
1994 sub { _add($separator, @x, @_) };
1997 my $separator = " ";
1998 if (ref($_[$#_]) eq "HASH") {
2000 $separator = $opts->{separator};
2003 sub { _add($separator, @_, @x) };
2006 # configuration reader, evaluates the input file as a perl script and expects
2007 # it to fill %targets with target configurations. Those are then added to
2011 open(CONFFILE, "< $fname")
2012 or die "Can't open configuration file '$fname'!\n";
2015 my $content = <CONFFILE>;
2020 local %table = %::table; # Protect %table from tampering
2026 # For each target, check that it's configured with a hash table.
2027 foreach (keys %targets) {
2028 if (ref($targets{$_}) ne "HASH") {
2029 if (ref($targets{$_}) eq "") {
2030 warn "Deprecated target configuration for $_, ignoring...\n";
2032 warn "Misconfigured target configuration for $_ (should be a hash table), ignoring...\n";
2034 delete $targets{$_};
2038 %table = (%table, %targets);
2042 # configuration resolver. Will only resolve all the lazy evalutation
2043 # codeblocks for the chozen target and all those it inherits from,
2045 sub resolve_config {
2047 my @breadcrumbs = @_;
2049 my $extra_checks = defined($ENV{CONFIGURE_EXTRA_CHECKS});
2051 if (grep { $_ eq $target } @breadcrumbs) {
2052 die "inherit_from loop! target backtrace:\n "
2053 ,$target,"\n ",join("\n ", @breadcrumbs),"\n";
2056 if (!defined($table{$target})) {
2057 warn "Warning! target $target doesn't exist!\n";
2060 # Recurse through all inheritances. They will be resolved on the
2061 # fly, so when this operation is done, they will all just be a
2062 # bunch of attributes with string values.
2063 # What we get here, though, are keys with references to lists of
2064 # the combined values of them all. We will deal with lists after
2065 # this stage is done.
2066 my %combined_inheritance = ();
2067 if ($table{$target}->{inherit_from}) {
2069 map { ref($_) eq "CODE" ? $_->() : $_ } @{$table{$target}->{inherit_from}};
2070 foreach (@inherit_from) {
2071 my %inherited_config = resolve_config($_, $target, @breadcrumbs);
2073 # 'template' is a marker that's considered private to
2074 # the config that had it.
2075 delete $inherited_config{template};
2078 if (!$combined_inheritance{$_}) {
2079 $combined_inheritance{$_} = [];
2081 push @{$combined_inheritance{$_}}, $inherited_config{$_};
2082 } keys %inherited_config;
2086 # We won't need inherit_from in this target any more, since we've
2087 # resolved all the inheritances that lead to this
2088 delete $table{$target}->{inherit_from};
2090 # Now is the time to deal with those lists. Here's the place to
2091 # decide what shall be done with those lists, all based on the
2092 # values of the target we're currently dealing with.
2093 # - If a value is a coderef, it will be executed with the list of
2094 # inherited values as arguments.
2095 # - If the corresponding key doesn't have a value at all or is the
2096 # emoty string, the inherited value list will be run through the
2097 # default combiner (below), and the result becomes this target's
2099 # - Otherwise, this target's value is assumed to be a string that
2100 # will simply override the inherited list of values.
2101 my $default_combiner = add();
2104 map { $_ => 1 } (keys %combined_inheritance,
2105 keys %{$table{$target}});
2107 sub process_values {
2109 my $inherited = shift; # Always a [ list ]
2115 while(ref($object) eq "CODE") {
2116 $object = $object->(@$inherited);
2118 if (!defined($object)) {
2121 elsif (ref($object) eq "ARRAY") {
2122 local $add_called; # To make sure recursive calls don't affect it
2123 return [ map { process_values($_, $inherited, $target, $entry) }
2125 } elsif (ref($object) eq "") {
2128 die "cannot handle reference type ",ref($object)
2129 ," found in target ",$target," -> ",$entry,"\n";
2133 foreach (sort keys %all_keys) {
2134 my $previous = $combined_inheritance{$_};
2136 # Current target doesn't have a value for the current key?
2137 # Assign it the default combiner, the rest of this loop body
2138 # will handle it just like any other coderef.
2139 if (!exists $table{$target}->{$_}) {
2140 $table{$target}->{$_} = $default_combiner;
2143 $table{$target}->{$_} = process_values($table{$target}->{$_},
2144 $combined_inheritance{$_},
2146 unless(defined($table{$target}->{$_})) {
2147 delete $table{$target}->{$_};
2149 if ($extra_checks &&
2150 $previous && !($add_called || $previous ~~ $table{$target}->{$_})) {
2151 warn "$_ got replaced in $target\n";
2155 # Finally done, return the result.
2156 return %{$table{$target}};
2161 print STDERR $usage;
2162 print STDERR "\npick os/compiler from:\n";
2166 foreach $i (sort keys %table)
2168 next if $table{$i}->{template};
2169 next if $i =~ /^debug/;
2170 $k += length($i) + 1;
2176 print STDERR $i . " ";
2178 foreach $i (sort keys %table)
2180 next if $table{$i}->{template};
2181 next if $i !~ /^debug/;
2182 $k += length($i) + 1;
2188 print STDERR $i . " ";
2190 print STDERR "\n\nNOTE: If in doubt, on Unix-ish systems use './config'.\n";
2199 unlink $out || warn "Can't remove $out, $!"
2201 foreach (@templates) {
2202 die "Can't open $_, $!" unless -f $_;
2204 my $cmd = "$config{perl} \"-I.\" \"-Mconfigdata\" $dofile -o\"Configure\" \"".join("\" \"",@templates)."\" > \"$out.new\"";
2205 #print STDERR "DEBUG[run_dofile]: \$cmd = $cmd\n";
2208 rename("$out.new", $out) || die "Can't rename $out.new, $!";
2211 # Configuration printer ##############################################
2213 sub print_table_entry
2216 my %target = resolve_config($target);
2219 # Don't print the templates
2220 return if $target{template};
2257 "shared_extension_simple",
2258 "shared_import_extension",
2269 if ($type eq "TABLE") {
2271 print "*** $target\n";
2272 foreach (@sequence) {
2273 if (ref($target{$_}) eq "ARRAY") {
2274 printf "\$%-12s = %s\n", $_, join(" ", @{$target{$_}});
2276 printf "\$%-12s = %s\n", $_, $target{$_};
2279 } elsif ($type eq "HASH") {
2281 length((sort { length($a) <=> length($b) } @sequence)[-1]);
2282 print " '$target' => {\n";
2283 foreach (@sequence) {
2285 if (ref($target{$_}) eq "ARRAY") {
2286 print " '",$_,"'"," " x ($largest - length($_))," => [ ",join(", ", map { "'$_'" } @{$target{$_}})," ],\n";
2288 print " '",$_,"'"," " x ($largest - length($_))," => '",$target{$_},"',\n";
2296 # Utility routines ###################################################
2298 # On VMS, if the given file is a logical name, File::Spec::Functions
2299 # will consider it an absolute path. There are cases when we want a
2300 # purely syntactic check without checking the environment.
2304 # On non-platforms, we just use file_name_is_absolute().
2305 return file_name_is_absolute($file) unless $^O eq "VMS";
2307 # If the file spec includes a device or a directpry spec,
2308 # file_name_is_absolute() is perfectly safe.
2309 return file_name_is_absolute($file) if $file =~ m|[:\[]|;
2311 # Here, we know the given file spec isn't absolute
2315 # Makes a directory absolute and cleans out /../ in paths like foo/../bar
2316 # On some platforms, this uses rel2abs(), while on others, realpath() is used.
2317 # realpath() requires that at least all path components except the last is an
2318 # existing directory. On VMS, the last component of the directory spec must
2323 # realpath() is quite buggy on VMS. It uses LIB$FID_TO_NAME, which
2324 # will return the volume name for the device, no matter what. Also,
2325 # it will return an incorrect directory spec if the argument is a
2326 # directory that doesn't exist.
2328 return rel2abs($dir);
2331 # We use realpath() on Unix, since no other will properly clean out
2333 use Cwd qw/realpath/;
2335 return realpath($dir);
2342 foreach $path (split /:/, $ENV{PATH})
2344 my $fullpath = "$path/$name$target{exe_extension}";
2345 if (-f $fullpath and -x $fullpath)
2348 unless ($name eq "perl" and
2349 system("$fullpath -e " . '\'exit($]<5.0);\''));
2356 perl => sub { my $x = shift;
2357 $x =~ s/([\\\$\@"])/\\$1/g;
2358 return '"'.$x.'"'; },
2362 defined($processors{$for}) ? $processors{$for} : sub { shift; };
2364 map { $processor->($_); } @_;
2367 # collect_from_file($filename, $line_concat_cond_re, $line_concat)
2368 # $filename is a file name to read from
2369 # $line_concat_cond_re is a regexp detecting a line continuation ending
2370 # $line_concat is a CODEref that takes care of concatenating two lines
2371 sub collect_from_file {
2372 my $filename = shift;
2373 my $line_concat_cond_re = shift;
2374 my $line_concat = shift;
2376 open my $fh, $filename || die "unable to read $filename: $!\n";
2378 my $saved_line = "";
2382 if (defined $line_concat) {
2383 $_ = $line_concat->($saved_line, $_);
2386 if (defined $line_concat_cond_re && /$line_concat_cond_re/) {
2392 die "$filename ending with continuation line\n" if $_;
2398 # collect_from_array($array, $line_concat_cond_re, $line_concat)
2399 # $array is an ARRAYref of lines
2400 # $line_concat_cond_re is a regexp detecting a line continuation ending
2401 # $line_concat is a CODEref that takes care of concatenating two lines
2402 sub collect_from_array {
2404 my $line_concat_cond_re = shift;
2405 my $line_concat = shift;
2406 my @array = (@$array);
2409 my $saved_line = "";
2411 while (defined($_ = shift @array)) {
2413 if (defined $line_concat) {
2414 $_ = $line_concat->($saved_line, $_);
2417 if (defined $line_concat_cond_re && /$line_concat_cond_re/) {
2423 die "input text ending with continuation line\n" if $_;
2428 # collect_information($lineiterator, $line_continue, $regexp => $CODEref, ...)
2429 # $lineiterator is a CODEref that delivers one line at a time.
2430 # All following arguments are regex/CODEref pairs, where the regexp detects a
2431 # line and the CODEref does something with the result of the regexp.
2432 sub collect_information {
2433 my $lineiterator = shift;
2434 my %collectors = @_;
2436 while(defined($_ = $lineiterator->())) {
2439 foreach my $re (keys %collectors) {
2440 if ($re ne "OTHERWISE" && /$re/) {
2441 $collectors{$re}->($lineiterator);
2445 if ($collectors{"OTHERWISE"}) {
2446 $collectors{"OTHERWISE"}->($lineiterator, $_)
2447 unless $found || !defined $collectors{"OTHERWISE"};