4 ## Configure -- OpenSSL source tree configuration script
9 use File::Spec::Functions qw/:DEFAULT abs2rel rel2abs/;
10 use File::Path qw/mkpath/;
12 # see INSTALL for instructions.
14 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";
18 # --config add the given configuration file, which will be read after
19 # any "Configurations*" files that are found in the same
20 # directory as this script.
21 # --prefix prefix for the OpenSSL installation, which includes the
22 # directories bin, lib, include, share/man, share/doc/openssl
23 # This becomes the value of INSTALLTOP in Makefile
24 # (Default: /usr/local)
25 # --openssldir OpenSSL data area, such as openssl.cnf, certificates and keys.
26 # If it's a relative directory, it will be added on the directory
27 # given with --prefix.
28 # This becomes the value of OPENSSLDIR in Makefile and in C.
29 # (Default: PREFIX/ssl)
31 # --cross-compile-prefix Add specified prefix to binutils components.
33 # --api One of 0.9.8, 1.0.0 or 1.1.0. Do not compile support for
34 # interfaces deprecated as of the specified OpenSSL version.
36 # no-hw-xxx do not compile support for specific crypto hardware.
37 # Generic OpenSSL-style methods relating to this support
38 # are always compiled but return NULL if the hardware
39 # support isn't compiled.
40 # no-hw do not compile support for any crypto hardware.
41 # [no-]threads [don't] try to create a library that is suitable for
42 # multithreaded applications (default is "threads" if we
44 # [no-]shared [don't] try to create shared libraries when supported.
45 # [no-]pic [don't] try to build position independent code when supported.
46 # If disabled, it also disables shared and dynamic-engine.
47 # no-asm do not use assembler
48 # no-dso do not compile in any native shared-library methods. This
49 # will ensure that all methods just return NULL.
50 # no-egd do not compile support for the entropy-gathering daemon APIs
51 # [no-]zlib [don't] compile support for zlib compression.
52 # zlib-dynamic Like "zlib", but the zlib library is expected to be a shared
53 # library and will be loaded in run-time by the OpenSSL library.
54 # sctp include SCTP support
55 # 386 generate 80386 code
56 # enable-weak-ssl-ciphers
57 # Enable weak ciphers that are disabled by default. This currently
58 # only includes RC4 based ciphers.
59 # no-sse2 disables IA-32 SSE2 code, above option implies no-sse2
60 # no-<cipher> build without specified algorithm (rsa, idea, rc5, ...)
61 # -<xxx> +<xxx> compiler options are passed through
63 # DEBUG_SAFESTACK use type-safe stacks to enforce type-safety on stack items
64 # provided to stack calls. Generates unique stack functions for
65 # each possible stack type.
66 # BN_LLONG use the type 'long long' in crypto/bn/bn.h
67 # RC4_CHAR use 'char' instead of 'int' for RC4_INT in crypto/rc4/rc4.h
68 # Following are set automatically by this script
70 # MD5_ASM use some extra md5 assember,
71 # SHA1_ASM use some extra sha1 assember, must define L_ENDIAN for x86
72 # RMD160_ASM use some extra ripemd160 assember,
73 # SHA256_ASM sha256_block is implemented in assembler
74 # SHA512_ASM sha512_block is implemented in assembler
75 # AES_ASM ASE_[en|de]crypt is implemented in assembler
77 # Minimum warning options... any contributions to OpenSSL should at least get
80 my $gcc_devteam_warn = "-DPEDANTIC -DREF_DEBUG -DDEBUG_UNUSED -DBIO_DEBUG"
85 . " -Wmissing-prototypes"
92 # These are used in addition to $gcc_devteam_warn when the compiler is clang.
93 # TODO(openssl-team): fix problems and investigate if (at least) the
94 # following warnings can also be enabled:
98 # -Wlanguage-extension-token -- no, we use asm()
99 # -Wunused-macros -- no, too tricky for BN and _XOPEN_SOURCE etc
100 # -Wextended-offsetof -- no, needed in CMS ASN1 code
101 my $clang_devteam_warn = ""
102 . " -Qunused-arguments"
104 . " -Wno-unused-parameter"
105 . " -Wno-missing-field-initializers"
106 . " -Wno-language-extension-token"
107 . " -Wno-extended-offsetof"
108 . " -Wconditional-uninitialized"
109 . " -Wincompatible-pointer-types-discards-qualifiers"
110 . " -Wmissing-variable-declarations"
113 # This adds backtrace information to the memory leak info. Is only used
114 # when crypto-mdebug-backtrace is enabled.
115 my $memleak_devteam_backtrace = "-rdynamic";
117 my $strict_warnings = 0;
119 # As for $BSDthreads. Idea is to maintain "collective" set of flags,
120 # which would cover all BSD flavors. -pthread applies to them all,
121 # but is treated differently. OpenBSD expands is as -D_POSIX_THREAD
122 # -lc_r, which is sufficient. FreeBSD 4.x expands it as -lc_r,
123 # which has to be accompanied by explicit -D_THREAD_SAFE and
124 # sometimes -D_REENTRANT. FreeBSD 5.x expands it as -lc_r, which
125 # seems to be sufficient?
126 our $BSDthreads="-pthread -D_THREAD_SAFE -D_REENTRANT";
129 # API compability name to version number mapping.
131 my $maxapi = "1.1.0"; # API for "no-deprecated" builds
133 "1.1.0" => "0x10100000L",
134 "1.0.0" => "0x10000000L",
135 "0.9.8" => "0x00908000L",
142 # Forward declarations ###############################################
144 # read_config(filename)
146 # Reads a configuration file and populates %table with the contents
147 # (which the configuration file places in %targets).
150 # resolve_config(target)
152 # Resolves all the late evalutations, inheritances and so on for the
153 # chosen target and any target it inherits from.
157 # Information collection #############################################
159 # Unified build supports separate build dir
160 my $srcdir = catdir(absolutedir(dirname($0))); # catdir ensures local syntax
161 my $blddir = catdir(absolutedir(".")); # catdir ensures local syntax
162 my $dofile = abs2rel(catfile($srcdir, "util/dofile.pl"));
164 $config{sourcedir} = abs2rel($srcdir);
165 $config{builddir} = abs2rel($blddir);
167 # Collect version numbers
168 $config{version} = "unknown";
169 $config{version_num} = "unknown";
170 $config{shlib_version_number} = "unknown";
171 $config{shlib_version_history} = "unknown";
174 collect_from_file(catfile($srcdir,'include/openssl/opensslv.h')),
175 qr/OPENSSL.VERSION.TEXT.*OpenSSL (\S+) / => sub { $config{version} = $1; },
176 qr/OPENSSL.VERSION.NUMBER.*(0x\S+)/ => sub { $config{version_num}=$1 },
177 qr/SHLIB_VERSION_NUMBER *"([^"]+)"/ => sub { $config{shlib_version_number}=$1 },
178 qr/SHLIB_VERSION_HISTORY *"([^"]*)"/ => sub { $config{shlib_version_history}=$1 }
180 if ($config{shlib_version_history} ne "") { $config{shlib_version_history} .= ":"; }
182 ($config{major}, $config{minor})
183 = ($config{version} =~ /^([0-9]+)\.([0-9\.]+)/);
184 ($config{shlib_major}, $config{shlib_minor})
185 = ($config{shlib_version_number} =~ /^([0-9]+)\.([0-9\.]+)/);
186 die "erroneous version information in opensslv.h: ",
187 "$config{major}, $config{minor}, $config{shlib_major}, $config{shlib_minor}\n"
188 if ($config{major} eq "" || $config{minor} eq ""
189 || $config{shlib_major} eq "" || $config{shlib_minor} eq "");
191 # Collect target configurations
193 my $pattern = catfile(dirname($0), "Configurations", "*.conf");
194 foreach (sort glob($pattern) ) {
199 print "Configuring OpenSSL version $config{version} (0x$config{version_num})\n";
202 $config{openssldir}="";
203 $config{processor}="";
205 $config{cross_compile_prefix}="";
206 $config{fipslibdir}="/usr/local/ssl/fips-2.0/lib/";
207 my $nofipscanistercheck=0;
208 $config{baseaddr}="0xFB00000";
209 my $auto_threads=1; # enable threads automatically? true by default
213 # Top level directories to build
214 $config{dirs} = [ "crypto", "ssl", "engines", "apps", "test", "tools" ];
215 # crypto/ subdirectories to build
218 "md2", "md4", "md5", "sha", "mdc2", "hmac", "ripemd", "whrlpool", "poly1305", "blake2",
219 "des", "aes", "rc2", "rc4", "rc5", "idea", "bf", "cast", "camellia", "seed", "chacha", "modes",
220 "bn", "ec", "rsa", "dsa", "dh", "dso", "engine",
221 "buffer", "bio", "stack", "lhash", "rand", "err",
222 "evp", "asn1", "pem", "x509", "x509v3", "conf", "txt_db", "pkcs7", "pkcs12", "comp", "ocsp", "ui",
223 "cms", "ts", "srp", "cmac", "ct", "async", "kdf"
226 # Known TLS and DTLS protocols
227 my @tls = qw(ssl3 tls1 tls1_1 tls1_2);
228 my @dtls = qw(dtls1 dtls1_2);
230 # Explicitelly known options that are possible to disable. They can
231 # be regexps, and will be used like this: /^no-${option}$/
232 # For developers: keep it sorted alphabetically
251 "crypto-mdebug-backtrace",
265 "ec_nistp_64_gcc_128",
320 foreach my $proto ((@tls, @dtls))
322 push(@disablables, $proto);
323 push(@disablables, "$proto-method");
326 my @deprecated_disablables = (
330 # All of the following is disabled by default (RC5 was enabled before 0.9.8):
332 our %disabled = ( # "what" => "comment"
333 "ec_nistp_64_gcc_128" => "default",
338 "shared" => "default",
339 "ssl-trace" => "default",
341 "ssl3-method" => "default",
342 "unit-test" => "default",
343 "weak-ssl-ciphers" => "default",
345 "zlib-dynamic" => "default",
346 "crypto-mdebug" => "default",
347 "heartbeats" => "default",
350 # Note: => pair form used for aesthetics, not to truly make a hash table
351 my @disable_cascades = (
352 # "what" => [ "cascade", ... ]
353 sub { $config{processor} eq "386" }
356 "ssl3-method" => [ "ssl3" ],
357 "zlib" => [ "zlib-dynamic" ],
359 "ec" => [ "ecdsa", "ecdh" ],
361 "dgram" => [ "dtls", "sctp" ],
364 # SSL 3.0, (D)TLS 1.0 and TLS 1.1 require MD5 and SHA
365 "md5" => [ "ssl", "tls1", "tls1_1", "dtls1" ],
366 "sha" => [ "ssl", "tls1", "tls1_1", "dtls1" ],
368 # Additionally, SSL 3.0 requires either RSA or DSA+DH
370 && ($disabled{dsa} || $disabled{dh}); }
373 # (D)TLS 1.0 and TLS 1.1 also require either RSA or DSA+DH
374 # or ECDSA + ECDH. (D)TLS 1.2 has this requirement as well.
375 # (XXX: We don't support PSK-only builds).
377 && ($disabled{dsa} || $disabled{dh})
378 && ($disabled{ecdsa} || $disabled{ecdh}); }
379 => [ "tls1", "tls1_1", "tls1_2",
380 "dtls1", "dtls1_2" ],
384 # SRP and HEARTBEATS require TLSEXT
385 "tlsext" => [ "srp", "heartbeats" ],
387 "crypto-mdebug" => [ "crypto-mdebug-backtrace" ],
389 # Without DSO, we can't load dynamic engines, so don't build them dynamic
390 "dso" => [ "dynamic-engine" ],
392 # Without position independent code, there can be no shared libraries or DSOs
393 "pic" => [ "shared" ],
394 "shared" => [ "dynamic-engine" ],
395 "engine" => [ "afalgeng" ],
398 # Avoid protocol support holes. Also disable all versions below N, if version
399 # N is disabled while N+1 is enabled.
401 my @list = (reverse @tls);
402 while ((my $first, my $second) = (shift @list, shift @list)) {
404 push @disable_cascades, ( sub { !$disabled{$first} && $disabled{$second} }
406 unshift @list, $second;
408 my @list = (reverse @dtls);
409 while ((my $first, my $second) = (shift @list, shift @list)) {
411 push @disable_cascades, ( sub { !$disabled{$first} && $disabled{$second} }
413 unshift @list, $second;
416 # Explicit "no-..." options will be collected in %disabled along with the defaults.
417 # To remove something from %disabled, use "enable-foo".
418 # For symmetry, "disable-foo" is a synonym for "no-foo".
420 my @generated_headers = (
421 "include/openssl/opensslconf.h",
422 "crypto/include/internal/bn_conf.h",
423 "crypto/include/internal/dso_conf.h"
426 my @generated_by_make_headers = (
433 &usage if ($#ARGV < 0);
437 $config{openssl_api_defines}=[];
438 $config{openssl_algorithm_defines}=[];
439 $config{openssl_thread_defines}=[];
440 $config{openssl_sys_defines}=[];
441 $config{openssl_other_defines}=[];
445 $config{build_type} = "release";
451 if (grep /^reconf(igure)?$/, @argvcopy) {
452 if (-f "./configdata.pm") {
453 my $file = "./configdata.pm";
454 unless (my $return = do $file) {
455 die "couldn't parse $file: $@" if $@;
456 die "couldn't do $file: $!" unless defined $return;
457 die "couldn't run $file" unless $return;
460 @argvcopy = defined($configdata::config{perlargv}) ?
461 @{$configdata::config{perlargv}} : ();
462 die "Incorrect data to reconfigure, please do a normal configuration\n"
463 if (grep(/^reconf/,@argvcopy));
464 $ENV{CROSS_COMPILE} = $configdata::config{cross_compile_prefix}
465 if defined($configdata::config{cross_compile_prefix});
466 $ENV{CROSS_COMPILE} = $configdata::config{cc}
467 if defined($configdata::config{cc});
469 print "Reconfiguring with: ", join(" ",@argvcopy), "\n";
470 print " CROSS_COMPILE = ",$ENV{CROSS_COMPILE},"\n"
471 if $ENV{CROSS_COMPILE};
472 print " CC = ",$ENV{CC},"\n" if $ENV{CC};
473 } elsif (open IN, "<Makefile") {
475 # THIS SECTION IS TEMPORARY, it helps transitioning from Makefile
476 # centered information gathering the reading configdata.pm
480 if (/^CONFIGURE_ARGS=\s*(.*)\s*/) {
481 # Older form, we split the string and hope for the best
482 @argvcopy = split /\s+/, $_;
483 die "Incorrect data to reconfigure, please do a normal configuration\n"
484 if (grep(/^reconf/,@argvcopy));
485 } elsif (/^CROSS_COMPILE=\s*(.*)/) {
486 $ENV{CROSS_COMPILE}=$1;
487 } elsif (/^CC=\s*(?:\$\(CROSS_COMPILE\))?(.*?)$/) {
492 # END OF TEMPORARY SECTION
495 die "Insufficient data to reconfigure, please do a normal configuration\n";
499 $config{perlargv} = [ @argvcopy ];
501 my %unsupported_options = ();
502 my %deprecated_options = ();
505 # VMS is a case insensitive environment, and depending on settings
506 # out of our control, we may receive options uppercased. Let's
507 # downcase at least the part before any equal sign.
512 s /^-no-/no-/; # some people just can't read the instructions
514 # rewrite some options in "enable-..." form
515 s /^-?-?shared$/enable-shared/;
516 s /^sctp$/enable-sctp/;
517 s /^threads$/enable-threads/;
518 s /^zlib$/enable-zlib/;
519 s /^zlib-dynamic$/enable-zlib-dynamic/;
521 if (/^(no|disable|enable)-(.+)$/)
524 if (grep { $word =~ /^${_}$/ } @deprecated_disablables)
526 $deprecated_options{$_} = 1;
529 elsif (!grep { $word =~ /^${_}$/ } @disablables)
531 $unsupported_options{$_} = 1;
535 if (/^no-(.+)$/ || /^disable-(.+)$/)
537 foreach my $proto ((@tls, @dtls))
539 if ($1 eq "$proto-method")
541 $disabled{"$proto"} = "option($proto-method)";
547 foreach my $proto (@dtls)
549 $disabled{$proto} = "option(dtls)";
554 # Last one of its kind
555 $disabled{"ssl3"} = "option(ssl)";
559 # XXX: Tests will fail if all SSL/TLS
560 # protocols are disabled.
561 foreach my $proto (@tls)
563 $disabled{$proto} = "option(tls)";
566 elsif ($1 eq "static-engine")
568 delete $disabled{"dynamic-engine"};
570 elsif ($1 eq "dynamic-engine")
572 $disabled{"dynamic-engine"} = "option";
576 $disabled{$1} = "option";
578 # No longer an automatic choice
579 $auto_threads = 0 if ($1 eq "threads");
581 elsif (/^enable-(.+)$/)
583 if ($1 eq "static-engine")
585 $disabled{"dynamic-engine"} = "option";
587 elsif ($1 eq "dynamic-engine")
589 delete $disabled{"dynamic-engine"};
591 elsif ($1 eq "zlib-dynamic")
593 delete $disabled{"zlib"};
596 delete $disabled{$algo};
598 # No longer an automatic choice
599 $auto_threads = 0 if ($1 eq "threads");
601 elsif (/^--strict-warnings$/)
603 $strict_warnings = 1;
607 $config{build_type} = "debug";
609 elsif (/^--release$/)
611 $config{build_type} = "release";
614 { $config{processor}=386; }
621 # No RSAref support any more since it's not needed.
622 # The check for the option is there so scripts aren't
625 elsif (/^nofipscanistercheck$/)
628 $nofipscanistercheck = 1;
636 elsif (/^--prefix=(.*)$/)
639 die "Directory given with --prefix MUST be absolute\n"
640 unless file_name_is_absolute($config{prefix});
642 elsif (/^--api=(.*)$/)
646 elsif (/^--libdir=(.*)$/)
650 elsif (/^--openssldir=(.*)$/)
652 $config{openssldir}=$1;
654 elsif (/^--with-zlib-lib=(.*)$/)
656 $withargs{zlib_lib}=$1;
658 elsif (/^--with-zlib-include=(.*)$/)
660 $withargs{zlib_include}="-I$1";
662 elsif (/^--with-fipslibdir=(.*)$/)
664 $config{fipslibdir}="$1/";
666 elsif (/^--with-baseaddr=(.*)$/)
668 $config{baseaddr}="$1";
670 elsif (/^--cross-compile-prefix=(.*)$/)
672 $config{cross_compile_prefix}=$1;
674 elsif (/^--config=(.*)$/)
678 elsif (/^-[lL](.*)$/ or /^-Wl,/)
684 push @user_defines, $1;
686 else # common if (/^[-+]/), just pass down...
688 $_ =~ s/%([0-9a-f]{1,2})/chr(hex($1))/gei;
689 $user_cflags.=" ".$_;
694 die "target already defined - $target (offending arg: $_)\n" if ($target ne "");
697 unless ($_ eq $target || /^no-/ || /^disable-/)
699 # "no-..." follows later after implied disactivations
700 # have been derived. (Don't take this too seroiusly,
701 # we really only write OPTIONS to the Makefile out of
704 if ($config{options} eq "")
705 { $config{options} = $_; }
707 { $config{options} .= " ".$_; }
710 if (defined($config{api}) && !exists $apitable->{$config{api}}) {
711 die "***** Unsupported api compatibility level: $config{api}\n",
714 if (keys %deprecated_options)
716 warn "***** Deprecated options: ",
717 join(", ", keys %deprecated_options), "\n";
719 if (keys %unsupported_options)
721 die "***** Unsupported options: ",
722 join(", ", keys %unsupported_options), "\n";
728 delete $disabled{"shared"} if ($disabled{"shared"} =~ /^default/);
732 @{$config{dirs}} = grep !/^fips$/, @{$config{dirs}};
735 my @tocheckfor = (keys %disabled);
736 while (@tocheckfor) {
737 my %new_tocheckfor = ();
738 my @cascade_copy = (@disable_cascades);
739 while (@cascade_copy) {
740 my ($test, $descendents) = (shift @cascade_copy, shift @cascade_copy);
741 if (ref($test) eq "CODE" ? $test->() : defined($disabled{$test})) {
743 $new_tocheckfor{$_} = 1; $disabled{$_} = "forced";
744 } grep { !defined($disabled{$_}) } @$descendents;
747 @tocheckfor = (keys %new_tocheckfor);
750 if ($target eq "TABLE") {
751 foreach (sort keys %table) {
752 print_table_entry($_, "TABLE");
757 if ($target eq "LIST") {
758 foreach (sort keys %table) {
759 print $_,"\n" unless $table{$_}->{template};
764 if ($target eq "HASH") {
765 print "%table = (\n";
766 foreach (sort keys %table) {
767 print_table_entry($_, "HASH");
772 # Backward compatibility?
773 if ($target =~ m/^CygWin32(-.*)$/) {
774 $target = "Cygwin".$1;
777 foreach (sort (keys %disabled))
779 $config{options} .= " no-$_";
781 printf " no-%-12s %-10s", $_, "[$disabled{$_}]";
793 elsif (/^dynamic-engine$/)
795 elsif (/^makedepend$/)
797 elsif (/^zlib-dynamic$/)
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 $target{exe_extension}=".pm" if ($config{target} =~ /vos/);
863 ($target{shared_extension_simple}=$target{shared_extension})
864 =~ s|\.\$\(SHLIB_MAJOR\)\.\$\(SHLIB_MINOR\)||;
865 $target{dso_extension}=$target{shared_extension_simple};
866 ($target{shared_import_extension}=$target{shared_extension_simple}.".a")
867 if ($config{target} =~ /^(?:Cygwin|mingw)/);
870 $config{cross_compile_prefix} = $ENV{'CROSS_COMPILE'}
871 if $config{cross_compile_prefix} eq "";
873 # Allow overriding the names of some tools. USE WITH CARE
874 $config{perl} = $ENV{'PERL'} || which("perl5") || which("perl") || "perl";
875 $target{cc} = $ENV{'CC'} || $target{cc} || "cc";
876 $target{ranlib} = $ENV{'RANLIB'} || $target{ranlib} || which("ranlib") || "true";
877 $target{ar} = $ENV{'AR'} || $target{ar} || "ar";
878 $target{nm} = $ENV{'NM'} || $target{nm} || "nm";
880 # For cflags, lflags, plib_lflags, ex_libs and defines, add the debug_
881 # or release_ attributes.
882 # Do it in such a way that no spurious space is appended (hence the grep).
883 $config{defines} = [];
884 $config{cflags} = "";
885 $config{ex_libs} = "";
886 $config{shared_ldflag} = "";
888 # Make sure build_scheme is consistent.
889 $target{build_scheme} = [ $target{build_scheme} ]
890 if ref($target{build_scheme}) ne "ARRAY";
892 ###### TO BE REMOVED WHEN CLASSIC BUILD IS REMOVED
894 ###### If the user has chosen --classic, we give it to them.
895 ###### If they try that with an out-of-source config, we complain.
896 if ($target{build_scheme}->[0] eq "unified" && $classic) {
897 die "Can't perform a classic build out of source tree\n"
898 if $srcdir ne $blddir;
900 $target{build_scheme} = { unix => [ "unixmake" ],
902 VMS => undef } -> {$target{build_scheme}->[1]};
904 die "Classic mode unavailable on this platform\n"
905 unless defined($target{build_scheme});
908 my ($builder, $builder_platform, @builder_opts) =
909 @{$target{build_scheme}};
911 if ($target =~ /^mingw/ && `$target{cc} --target-help 2>&1` =~ m/-mno-cygwin/m)
913 $config{cflags} .= " -mno-cygwin";
914 $config{shared_ldflag} .= " -mno-cygwin";
917 if ($target =~ /linux.*-mips/ && !$disabled{asm} && $user_cflags !~ /-m(ips|arch=)/) {
918 # minimally required architecture flags for assembly modules
919 $config{cflags}="-mips2 $config{cflags}" if ($target =~ /mips32/);
920 $config{cflags}="-mips3 $config{cflags}" if ($target =~ /mips64/);
923 my $no_shared_warn=0;
924 my $no_user_cflags=0;
925 my $no_user_defines=0;
927 # The DSO code currently always implements all functions so that no
928 # applications will have to worry about that from a compilation point
929 # of view. However, the "method"s may return zero unless that platform
930 # has support compiled in for them. Currently each method is enabled
931 # by a define "DSO_<name>" ... we translate the "dso_scheme" config
932 # string entry into using the following logic;
933 if (!$disabled{dso} && $target{dso_scheme} ne "")
935 $target{dso_scheme} =~ tr/[a-z]/[A-Z]/;
936 if ($target{dso_scheme} eq "DLFCN")
938 unshift @{$config{defines}}, "DSO_DLFCN", "HAVE_DLFCN_H";
940 elsif ($target{dso_scheme} eq "DLFCN_NO_H")
942 unshift @{$config{defines}}, "DSO_DLFCN";
946 unshift @{$config{defines}}, "DSO_$target{dso_scheme}";
950 $config{ex_libs}="$libs$config{ex_libs}" if ($libs ne "");
956 @{$config{defines}} = grep !/^[BL]_ENDIAN$/, @{$config{defines}};
957 @{$target{defines}} = grep !/^[BL]_ENDIAN$/, @{$target{defines}};
961 # If threads aren't disabled, check how possible they are
962 unless ($disabled{threads}) {
964 # Enabled by default, disable it forcibly if unavailable
965 if ($target{thread_scheme} eq "(unknown)") {
966 $disabled{threads} = "unavailable";
969 # The user chose to enable threads explicitely, let's see
970 # if there's a chance that's possible
971 if ($target{thread_scheme} eq "(unknown)") {
972 # If the user asked for "threads" and we don't have internal
973 # knowledge how to do it, [s]he is expected to provide any
974 # system-dependent compiler options that are necessary. We
975 # can't truly check that the given options are correct, but
976 # we expect the user to know what [s]He is doing.
977 if ($no_user_cflags && $no_user_defines) {
978 die "You asked for multi-threading support, but didn't\n"
979 ,"provide any system-specific compiler options\n";
985 # If threads still aren't disabled, add a C macro to ensure the source
986 # code knows about it. Any other flag is taken care of by the configs.
987 unless($disabled{threads}) {
988 foreach (("defines", "openssl_thread_defines")) {
989 push @{$config{$_}}, "OPENSSL_THREADS";
993 # With "deprecated" disable all deprecated features.
994 if (defined($disabled{"deprecated"})) {
995 $config{api} = $maxapi;
998 if ($target{shared_target} eq "")
1001 if ((!$disabled{shared} || !$disabled{"dynamic-engine"})
1003 $disabled{shared} = "no-shared-target";
1004 $disabled{pic} = $disabled{shared} = $disabled{"dynamic-engine"} =
1008 if ($disabled{"dynamic-engine"}) {
1009 push @{$config{defines}}, "OPENSSL_NO_DYNAMIC_ENGINE";
1010 $config{dynamic_engines} = 0;
1012 push @{$config{defines}}, "OPENSSL_NO_STATIC_ENGINE";
1013 $config{dynamic_engines} = 1;
1020 # This saves the build files from having to check
1023 $target{shared_cflag} = $target{shared_ldflag} =
1024 $target{shared_rcflag} = "";
1028 push @{$config{defines}}, "OPENSSL_PIC";
1031 if ($target{sys_id} ne "")
1033 push @{$config{openssl_sys_defines}}, "OPENSSL_SYS_$target{sys_id}";
1036 unless ($disabled{asm}) {
1037 $target{cpuid_asm_src}=$table{DEFAULTS}->{cpuid_asm_src} if ($config{processor} eq "386");
1038 $target{bn_asm_src} =~ s/\w+-gf2m.c// if (defined($disabled{ec2m}));
1040 # bn-586 is the only one implementing bn_*_part_words
1041 push @{$config{defines}}, "OPENSSL_BN_ASM_PART_WORDS" if ($target{bn_asm_src} =~ /bn-586/);
1042 push @{$config{defines}}, "OPENSSL_IA32_SSE2" if (!$no_sse2 && $target{bn_asm_src} =~ /86/);
1044 push @{$config{defines}}, "OPENSSL_BN_ASM_MONT" if ($target{bn_asm_src} =~ /-mont/);
1045 push @{$config{defines}}, "OPENSSL_BN_ASM_MONT5" if ($target{bn_asm_src} =~ /-mont5/);
1046 push @{$config{defines}}, "OPENSSL_BN_ASM_GF2m" if ($target{bn_asm_src} =~ /-gf2m/);
1048 if ($config{fips}) {
1049 push @{$config{openssl_other_defines}}, "OPENSSL_FIPS";
1052 if ($target{sha1_asm_src}) {
1053 push @{$config{defines}}, "SHA1_ASM" if ($target{sha1_asm_src} =~ /sx86/ || $target{sha1_asm_src} =~ /sha1/);
1054 push @{$config{defines}}, "SHA256_ASM" if ($target{sha1_asm_src} =~ /sha256/);
1055 push @{$config{defines}}, "SHA512_ASM" if ($target{sha1_asm_src} =~ /sha512/);
1057 if ($target{md5_asm_src}) {
1058 push @{$config{defines}}, "MD5_ASM";
1060 $target{cast_asm_src}=$table{DEFAULTS}->{cast_asm_src} unless $disabled{pic}; # CAST assembler is not PIC
1061 if ($target{rmd160_asm_src}) {
1062 push @{$config{defines}}, "RMD160_ASM";
1064 if ($target{aes_asm_src}) {
1065 push @{$config{defines}}, "AES_ASM" if ($target{aes_asm_src} =~ m/\baes-/);;
1066 # aes-ctr.fake is not a real file, only indication that assembler
1067 # module implements AES_ctr32_encrypt...
1068 push @{$config{defines}}, "AES_CTR_ASM" if ($target{aes_asm_src} =~ s/\s*aes-ctr\.fake//);
1069 # aes-xts.fake indicates presence of AES_xts_[en|de]crypt...
1070 push @{$config{defines}}, "AES_XTS_ASM" if ($target{aes_asm_src} =~ s/\s*aes-xts\.fake//);
1071 $target{aes_asm_src} =~ s/\s*(vpaes|aesni)-x86\.s//g if ($no_sse2);
1072 push @{$config{defines}}, "VPAES_ASM" if ($target{aes_asm_src} =~ m/vpaes/);
1073 push @{$config{defines}}, "BSAES_ASM" if ($target{aes_asm_src} =~ m/bsaes/);
1075 if ($target{wp_asm_src} =~ /mmx/) {
1076 if ($config{processor} eq "386") {
1077 $target{wp_asm_src}=$table{DEFAULTS}->{wp_asm_src};
1078 } elsif (!$disabled{"whirlpool"}) {
1079 push @{$config{defines}}, "WHIRLPOOL_ASM";
1082 if ($target{modes_asm_src} =~ /ghash-/) {
1083 push @{$config{defines}}, "GHASH_ASM";
1085 if ($target{ec_asm_src} =~ /ecp_nistz256/) {
1086 push @{$config{defines}}, "ECP_NISTZ256_ASM";
1088 if ($target{poly1305_asm_src} ne "") {
1089 push @{$config{defines}}, "POLY1305_ASM";
1093 my $ecc = $target{cc};
1094 if ($^O ne "VMS" && !$disabled{makedepend}) {
1095 # Is the compiler gcc or clang? $ecc is used below to see if
1096 # error-checking can be turned on.
1097 my $ccpcc = "$config{cross_compile_prefix}$target{cc}";
1098 open(PIPE, "$ccpcc --version 2>&1 |");
1101 # Find the version number and save the major.
1102 m|(?:.*)\b(\d+)\.\d+\.\d+\b(?:.*)|;
1103 my $compiler_major = $1;
1104 # We know that GNU C version 3 and up as well as all clang
1105 # versions support dependency generation
1106 $config{makedepprog} = $ccpcc
1107 if (/clang/ || (/gcc/ && $compiler_major > 3));
1108 $ecc = "clang" if /clang/;
1109 $ecc = "gcc" if /gcc/;
1110 last if ($config{makedepprog} || !$lines--);
1114 $config{makedepprog} = which('makedepend') unless $config{makedepprog};
1115 $disabled{makedepend} = "unavailable" unless $config{makedepprog};
1120 # Deal with bn_ops ###################################################
1123 $config{export_var_as_fn} =0;
1124 my $def_int="unsigned int";
1125 $config{rc4_int} =$def_int;
1126 ($config{b64l},$config{b64},$config{b32})=(0,0,1);
1129 foreach (sort split(/\s+/,$target{bn_ops})) {
1130 $count++ if /SIXTY_FOUR_BIT|SIXTY_FOUR_BIT_LONG|THIRTY_TWO_BIT/;
1131 $config{export_var_as_fn}=1 if $_ eq 'EXPORT_VAR_AS_FN';
1132 $config{bn_ll}=1 if $_ eq 'BN_LLONG';
1133 $config{rc4_int}="unsigned char" if $_ eq 'RC4_CHAR';
1134 ($config{b64l},$config{b64},$config{b32})
1135 =(0,1,0) if $_ eq 'SIXTY_FOUR_BIT';
1136 ($config{b64l},$config{b64},$config{b32})
1137 =(1,0,0) if $_ eq 'SIXTY_FOUR_BIT_LONG';
1138 ($config{b64l},$config{b64},$config{b32})
1139 =(0,0,1) if $_ eq 'THIRTY_TWO_BIT';
1141 die "Exactly one of SIXTY_FOUR_BIT|SIXTY_FOUR_BIT_LONG|THIRTY_TWO_BIT can be set in bn_ops\n"
1145 # Hack cflags for better warnings (dev option) #######################
1147 # "Stringify" the C flags string. This permits it to be made part of a string
1148 # and works as well on command lines.
1149 $config{cflags} =~ s/([\\\"])/\\$1/g;
1151 if (defined($config{api})) {
1152 $config{openssl_api_defines} = [ "OPENSSL_MIN_API=".$apitable->{$config{api}} ];
1153 my $apiflag = sprintf("OPENSSL_API_COMPAT=%s", $apitable->{$config{api}});
1154 push @{$config{defines}}, $apiflag;
1157 if ($strict_warnings)
1160 die "ERROR --strict-warnings requires gcc or clang"
1161 unless $ecc eq 'gcc' || $ecc eq 'clang';
1162 foreach $wopt (split /\s+/, $gcc_devteam_warn)
1164 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1166 if ($ecc eq "clang")
1168 foreach $wopt (split /\s+/, $clang_devteam_warn)
1170 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1175 unless ($disabled{"crypto-mdebug-backtrace"})
1177 foreach my $wopt (split /\s+/, $memleak_devteam_backtrace)
1179 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1181 if ($target =~ /^BSD-/)
1183 $config{ex_libs} .= " -lexecinfo";
1187 if ($user_cflags ne "") { $config{cflags}="$config{cflags}$user_cflags"; }
1188 else { $no_user_cflags=1; }
1189 if (@user_defines) { $config{defines}=[ @{$config{defines}}, @user_defines ]; }
1190 else { $no_user_defines=1; }
1192 # ALL MODIFICATIONS TO %config and %target MUST BE DONE FROM HERE ON
1194 unless ($disabled{afalgeng}) {
1195 $config{afalgeng}="";
1196 if ($target =~ m/^linux/) {
1197 my $minver = 4*10000 + 1*100 + 0;
1198 if ($config{cross_compile_prefix} eq "") {
1199 my $verstr = `uname -r`;
1200 my ($ma, $mi1, $mi2) = split("\\.", $verstr);
1201 ($mi2) = $mi2 =~ /(\d+)/;
1202 my $ver = $ma*10000 + $mi1*100 + $mi2;
1203 if ($ver < $minver) {
1204 $disabled{afalgeng} = "too-old-kernel";
1206 push @{$config{engdirs}}, "afalg";
1209 $disabled{afalgeng} = "cross-compiling";
1212 $disabled{afalgeng} = "not-linux";
1216 push @{$config{openssl_other_defines}}, "OPENSSL_NO_AFALGENG" if ($disabled{afalgeng});
1218 # If we use the unified build, collect information from build.info files
1219 my %unified_info = ();
1221 my $buildinfo_debug = defined($ENV{CONFIGURE_DEBUG_BUILDINFO});
1222 if ($builder eq "unified") {
1223 # Store the name of the template file we will build the build file from
1224 # in %config. This may be useful for the build file itself.
1225 my $build_file_template =
1226 catfile($srcdir, "Configurations",
1227 $builder_platform."-".$target{build_file}.".tmpl");
1228 $build_file_template =
1229 catfile($srcdir, "Configurations", $target{build_file}.".tmpl")
1230 if (! -f $build_file_template);
1231 $config{build_file_template} = $build_file_template;
1233 use lib catdir(dirname(__FILE__),"util");
1234 use with_fallback qw(Text::Template);
1239 my $relativeto = shift || ".";
1241 $dir = catdir($base,$dir) unless isabsolute($dir);
1243 # Make sure the directories we're building in exists
1246 my $res = abs2rel(absolutedir($dir), rel2abs($relativeto));
1247 #print STDERR "DEBUG[cleandir]: $dir , $base => $res\n";
1254 my $relativeto = shift || ".";
1256 $file = catfile($base,$file) unless isabsolute($file);
1258 my $d = dirname($file);
1259 my $f = basename($file);
1261 # Make sure the directories we're building in exists
1264 my $res = abs2rel(catfile(absolutedir($d), $f), rel2abs($relativeto));
1265 #print STDERR "DEBUG[cleanfile]: $d , $f => $res\n";
1269 my @build_infos = ( [ ".", "build.info" ] );
1270 foreach (@{$config{dirs}}) {
1271 push @build_infos, [ $_, "build.info" ]
1272 if (-f catfile($srcdir, $_, "build.info"));
1274 foreach (@{$config{sdirs}}) {
1275 push @build_infos, [ catdir("crypto", $_), "build.info" ]
1276 if (-f catfile($srcdir, "crypto", $_, "build.info"));
1278 foreach (@{$config{engdirs}}) {
1279 push @build_infos, [ catdir("engines", $_), "build.info" ]
1280 if (-f catfile($srcdir, "engines", $_, "build.info"));
1283 $config{build_infos} = [ ];
1285 foreach (@build_infos) {
1286 my $sourced = catdir($srcdir, $_->[0]);
1287 my $buildd = catdir($blddir, $_->[0]);
1292 # The basic things we're trying to build
1299 my @intermediates = ();
1307 my %sharednames = ();
1310 push @{$config{build_infos}}, catfile(abs2rel($sourced, $blddir), $f);
1311 my $template = Text::Template->new(TYPE => 'FILE',
1312 SOURCE => catfile($sourced, $f));
1313 die "Something went wrong with $sourced/$f: $!\n" unless $template;
1316 $template->fill_in(HASH => { config => \%config,
1318 disabled => \%disabled,
1319 builddir => abs2rel($buildd, $blddir),
1320 sourcedir => abs2rel($sourced, $blddir),
1321 buildtop => abs2rel($blddir, $blddir),
1322 sourcetop => abs2rel($srcdir, $blddir) },
1323 DELIMITERS => [ "{-", "-}" ]);
1325 # The top item of this stack has the following values
1326 # -2 positive already run and we found ELSE (following ELSIF should fail)
1327 # -1 positive already run (skip until ENDIF)
1328 # 0 negatives so far (if we're at a condition, check it)
1329 # 1 last was positive (don't skip lines until next ELSE, ELSIF or ENDIF)
1330 # 2 positive ELSE (following ELSIF should fail)
1332 collect_information(
1333 collect_from_array([ @text ],
1334 qr/\\$/ => sub { my $l1 = shift; my $l2 = shift;
1335 $l1 =~ s/\\$//; $l1.$l2 }),
1336 # Info we're looking for
1337 qr/^\s*IF\[((?:\\.|[^\\\]])*)\]\s*$/
1339 if (! @skip || $skip[$#skip] > 0) {
1345 qr/^\s*ELSIF\[((?:\\.|[^\\\]])*)\]\s*$/
1346 => sub { die "ELSIF out of scope" if ! @skip;
1347 die "ELSIF following ELSE" if abs($skip[$#skip]) == 2;
1348 $skip[$#skip] = -1 if $skip[$#skip] != 0;
1349 $skip[$#skip] = !! $1
1350 if $skip[$#skip] == 0; },
1352 => sub { die "ELSE out of scope" if ! @skip;
1353 $skip[$#skip] = -2 if $skip[$#skip] != 0;
1354 $skip[$#skip] = 2 if $skip[$#skip] == 0; },
1356 => sub { die "ENDIF out of scope" if ! @skip;
1358 qr/^\s*PROGRAMS\s*=\s*(.*)\s*$/
1359 => sub { push @programs, split(/\s+/, $1)
1360 if !@skip || $skip[$#skip] > 0 },
1361 qr/^\s*LIBS\s*=\s*(.*)\s*$/
1362 => sub { push @libraries, split(/\s+/, $1)
1363 if !@skip || $skip[$#skip] > 0 },
1364 qr/^\s*ENGINES\s*=\s*(.*)\s*$/
1365 => sub { push @engines, split(/\s+/, $1)
1366 if !@skip || $skip[$#skip] > 0 },
1367 qr/^\s*SCRIPTS\s*=\s*(.*)\s*$/
1368 => sub { push @scripts, split(/\s+/, $1)
1369 if !@skip || $skip[$#skip] > 0 },
1370 qr/^\s*EXTRA\s*=\s*(.*)\s*$/
1371 => sub { push @extra, split(/\s+/, $1)
1372 if !@skip || $skip[$#skip] > 0 },
1373 qr/^\s*OVERRIDES\s*=\s*(.*)\s*$/
1374 => sub { push @overrides, split(/\s+/, $1)
1375 if !@skip || $skip[$#skip] > 0 },
1377 qr/^\s*ORDINALS\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/,
1378 => sub { push @{$ordinals{$1}}, split(/\s+/, $2)
1379 if !@skip || $skip[$#skip] > 0 },
1380 qr/^\s*SOURCE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1381 => sub { push @{$sources{$1}}, split(/\s+/, $2)
1382 if !@skip || $skip[$#skip] > 0 },
1383 qr/^\s*INCLUDE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1384 => sub { push @{$includes{$1}}, split(/\s+/, $2)
1385 if !@skip || $skip[$#skip] > 0 },
1386 qr/^\s*DEPEND\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1387 => sub { push @{$depends{$1}}, split(/\s+/, $2)
1388 if !@skip || $skip[$#skip] > 0 },
1389 qr/^\s*GENERATE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1390 => sub { push @{$generate{$1}}, $2
1391 if !@skip || $skip[$#skip] > 0 },
1392 qr/^\s*RENAME\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1393 => sub { push @{$renames{$1}}, split(/\s+/, $2)
1394 if !@skip || $skip[$#skip] > 0 },
1395 qr/^\s*SHARED_NAME\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1396 => sub { push @{$sharednames{$1}}, split(/\s+/, $2)
1397 if !@skip || $skip[$#skip] > 0 },
1398 qr/^\s*BEGINRAW\[((?:\\.|[^\\\]])+)\]\s*$/
1400 my $lineiterator = shift;
1401 my $target_kind = $1;
1402 while (defined $lineiterator->()) {
1404 if (/^\s*ENDRAW\[((?:\\.|[^\\\]])+)\]\s*$/) {
1405 die "ENDRAW doesn't match BEGINRAW"
1406 if $1 ne $target_kind;
1409 next if @skip && $skip[$#skip] <= 0;
1411 if ($target_kind eq $target{build_file}
1412 || $target_kind eq $target{build_file}."(".$builder_platform.")");
1415 qr/^(?:#.*|\s*)$/ => sub { },
1416 "OTHERWISE" => sub { die "Something wrong with this line:\n$_\nat $sourced/$f" },
1418 if ($buildinfo_debug) {
1419 print STDERR "DEBUG: Parsing ",join(" ", @_),"\n";
1420 print STDERR "DEBUG: ... before parsing, skip stack is ",join(" ", map { int($_) } @skip),"\n";
1424 if ($buildinfo_debug) {
1425 print STDERR "DEBUG: .... after parsing, skip stack is ",join(" ", map { int($_) } @skip),"\n";
1429 die "runaway IF?" if (@skip);
1431 foreach (keys %renames) {
1432 die "$_ renamed to more than one thing: "
1433 ,join(" ", @{$renames{$_}}),"\n"
1434 if scalar @{$renames{$_}} > 1;
1435 my $dest = cleanfile($buildd, $_, $blddir);
1436 my $to = cleanfile($buildd, $renames{$_}->[0], $blddir);
1437 die "$dest renamed to more than one thing: "
1438 ,$unified_info{rename}->{$dest}, $to
1439 unless !defined($unified_info{rename}->{$dest})
1440 or $unified_info{rename}->{$dest} eq $to;
1441 $unified_info{rename}->{$dest} = $to;
1444 foreach (@programs) {
1445 my $program = cleanfile($buildd, $_, $blddir);
1446 if ($unified_info{rename}->{$program}) {
1447 $program = $unified_info{rename}->{$program};
1449 $unified_info{programs}->{$program} = 1;
1452 foreach (@libraries) {
1453 my $library = cleanfile($buildd, $_, $blddir);
1454 if ($unified_info{rename}->{$library}) {
1455 $library = $unified_info{rename}->{$library};
1457 $unified_info{libraries}->{$library} = 1;
1460 die <<"EOF" if scalar @engines and !$config{dynamic_engines};
1461 ENGINES can only be used if configured with 'dynamic-engine'.
1462 This is usually a fault in a build.info file.
1464 foreach (@engines) {
1465 my $library = cleanfile($buildd, $_, $blddir);
1466 if ($unified_info{rename}->{$library}) {
1467 $library = $unified_info{rename}->{$library};
1469 $unified_info{engines}->{$library} = 1;
1472 foreach (@scripts) {
1473 my $script = cleanfile($buildd, $_, $blddir);
1474 if ($unified_info{rename}->{$script}) {
1475 $script = $unified_info{rename}->{$script};
1477 $unified_info{scripts}->{$script} = 1;
1481 my $extra = cleanfile($buildd, $_, $blddir);
1482 $unified_info{extra}->{$extra} = 1;
1485 foreach (@overrides) {
1486 my $override = cleanfile($buildd, $_, $blddir);
1487 $unified_info{overrides}->{$override} = 1;
1490 push @{$unified_info{rawlines}}, @rawlines;
1492 unless ($disabled{shared}) {
1493 # Check sharednames.
1494 foreach (keys %sharednames) {
1495 my $dest = cleanfile($buildd, $_, $blddir);
1496 if ($unified_info{rename}->{$dest}) {
1497 $dest = $unified_info{rename}->{$dest};
1499 die "shared_name for $dest with multiple values: "
1500 ,join(" ", @{$sharednames{$_}}),"\n"
1501 if scalar @{$sharednames{$_}} > 1;
1502 my $to = cleanfile($buildd, $sharednames{$_}->[0], $blddir);
1503 die "shared_name found for a library $dest that isn't defined\n"
1504 unless $unified_info{libraries}->{$dest};
1505 die "shared_name for $dest with multiple values: "
1506 ,$unified_info{sharednames}->{$dest}, ", ", $to
1507 unless !defined($unified_info{sharednames}->{$dest})
1508 or $unified_info{sharednames}->{$dest} eq $to;
1509 $unified_info{sharednames}->{$dest} = $to;
1512 # Additionally, we set up sharednames for libraries that don't
1513 # have any, as themselves.
1514 foreach (keys %{$unified_info{libraries}}) {
1515 if (!defined $unified_info{sharednames}->{$_}) {
1516 $unified_info{sharednames}->{$_} = $_
1521 foreach (keys %ordinals) {
1523 my $ddest = cleanfile($buildd, $_, $blddir);
1524 if ($unified_info{rename}->{$ddest}) {
1525 $ddest = $unified_info{rename}->{$ddest};
1527 foreach (@{$ordinals{$dest}}) {
1528 my %known_ordinals =
1531 cleanfile($sourced, catfile("util", "libcrypto.num"), $blddir),
1533 cleanfile($sourced, catfile("util", "libssl.num"), $blddir)
1535 my $o = $known_ordinals{$_};
1536 die "Ordinals for $ddest defined more than once\n"
1537 if $unified_info{ordinals}->{$ddest};
1538 $unified_info{ordinals}->{$ddest} = [ $_, $o ];
1542 foreach (keys %sources) {
1544 my $ddest = cleanfile($buildd, $_, $blddir);
1545 if ($unified_info{rename}->{$ddest}) {
1546 $ddest = $unified_info{rename}->{$ddest};
1548 foreach (@{$sources{$dest}}) {
1549 my $s = cleanfile($sourced, $_, $blddir);
1551 # If it isn't in the source tree, we assume it's generated
1554 $s = cleanfile($buildd, $_, $blddir);
1556 # We recognise C and asm files
1557 if ($s =~ /\.[csS]\b$/) {
1558 (my $o = $_) =~ s/\.[csS]\b$/.o/;
1559 $o = cleanfile($buildd, $o, $blddir);
1560 $unified_info{sources}->{$ddest}->{$o} = 1;
1561 $unified_info{sources}->{$o}->{$s} = 1;
1563 $unified_info{sources}->{$ddest}->{$s} = 1;
1568 foreach (keys %generate) {
1570 my $ddest = cleanfile($buildd, $_, $blddir);
1571 if ($unified_info{rename}->{$ddest}) {
1572 $ddest = $unified_info{rename}->{$ddest};
1574 die "more than one generator for $dest: "
1575 ,join(" ", @{$generate{$_}}),"\n"
1576 if scalar @{$generate{$_}} > 1;
1577 my @generator = split /\s+/, $generate{$dest}->[0];
1578 $generator[0] = cleanfile($sourced, $generator[0], $blddir),
1579 $unified_info{generate}->{$ddest} = [ @generator ];
1582 foreach (keys %depends) {
1584 my $ddest = cleanfile($buildd, $_, $blddir);
1585 if ($unified_info{rename}->{$ddest}) {
1586 $ddest = $unified_info{rename}->{$ddest};
1588 foreach (@{$depends{$dest}}) {
1589 my $d = cleanfile($sourced, $_, $blddir);
1591 # If we know it's generated, or assume it is because we can't
1592 # find it in the source tree, we set file we depend on to be
1593 # in the build tree rather than the source tree, and assume
1594 # and that there are lines to build it in a BEGINRAW..ENDRAW
1595 # section or in the Makefile template.
1597 || (grep { $d eq $_ }
1598 map { cleanfile($srcdir, $_, $blddir) }
1599 (@generated_headers, @generated_by_make_headers))) {
1600 $d = cleanfile($buildd, $_, $blddir);
1602 # Take note if the file to depend on is being renamed
1603 if ($unified_info{rename}->{$d}) {
1604 $d = $unified_info{rename}->{$d};
1606 $unified_info{depends}->{$ddest}->{$d} = 1;
1607 # If we depend on a header file, let's make sure it
1610 my $i = dirname($d);
1611 push @{$unified_info{includes}->{$ddest}}, $i
1612 unless grep { $_ eq $i } @{$unified_info{includes}->{$ddest}};
1617 foreach (keys %includes) {
1619 my $ddest = cleanfile($buildd, $_, $blddir);
1620 if ($unified_info{rename}->{$ddest}) {
1621 $ddest = $unified_info{rename}->{$ddest};
1623 foreach (@{$includes{$dest}}) {
1624 my $i = cleandir($sourced, $_, $blddir);
1625 push @{$unified_info{includes}->{$ddest}}, $i
1626 unless grep { $_ eq $i } @{$unified_info{includes}->{$ddest}};
1631 ### Make unified_info a bit more efficient
1632 # One level structures
1633 foreach (("programs", "libraries", "engines", "scripts", "extra", "overrides")) {
1634 $unified_info{$_} = [ sort keys %{$unified_info{$_}} ];
1636 # Two level structures
1637 foreach my $l1 (("sources", "ldadd", "depends")) {
1638 foreach my $l2 (sort keys %{$unified_info{$l1}}) {
1639 $unified_info{$l1}->{$l2} =
1640 [ sort keys %{$unified_info{$l1}->{$l2}} ];
1645 # For the schemes that need it, we provide the old *_obj configs
1646 # from the *_asm_obj ones
1647 foreach (grep /_(asm|aux)_src$/, keys %target) {
1649 (my $obj = $_) =~ s/_(asm|aux)_src$/_obj/;
1650 ($target{$obj} = $target{$src}) =~ s/\.[csS]\b/.o/g;
1653 # Write down our configuration where it fits #########################
1655 open(OUT,">configdata.pm") || die "unable to create configdata.pm: $!\n";
1663 #use vars qw(\@ISA \@EXPORT);
1664 our \@ISA = qw(Exporter);
1665 our \@EXPORT = qw(\%config \%target \%disabled \%withargs \%unified_info \@disablables);
1668 print OUT "our %config = (\n";
1669 foreach (sort keys %config) {
1670 if (ref($config{$_}) eq "ARRAY") {
1671 print OUT " ", $_, " => [ ", join(", ",
1672 map { quotify("perl", $_) }
1673 @{$config{$_}}), " ],\n";
1675 print OUT " ", $_, " => ", quotify("perl", $config{$_}), ",\n"
1682 print OUT "our %target = (\n";
1683 foreach (sort keys %target) {
1684 if (ref($target{$_}) eq "ARRAY") {
1685 print OUT " ", $_, " => [ ", join(", ",
1686 map { quotify("perl", $_) }
1687 @{$target{$_}}), " ],\n";
1689 print OUT " ", $_, " => ", quotify("perl", $target{$_}), ",\n"
1696 print OUT "our \%available_protocols = (\n";
1697 print OUT " tls => [ ", join(", ", map { quotify("perl", $_) } @tls), " ],\n";
1698 print OUT " dtls => [ ", join(", ", map { quotify("perl", $_) } @dtls), " ],\n";
1703 print OUT "our \@disablables = (\n";
1704 foreach (@disablables) {
1705 print OUT " ", quotify("perl", $_), ",\n";
1711 print OUT "our \%disabled = (\n";
1712 foreach (sort keys %disabled) {
1713 print OUT " ", quotify("perl", $_), " => ", quotify("perl", $disabled{$_}), ",\n";
1719 print OUT "our %withargs = (\n";
1720 foreach (sort keys %withargs) {
1721 if (ref($withargs{$_}) eq "ARRAY") {
1722 print OUT " ", $_, " => [ ", join(", ",
1723 map { quotify("perl", $_) }
1724 @{$withargs{$_}}), " ],\n";
1726 print OUT " ", $_, " => ", quotify("perl", $withargs{$_}), ",\n"
1733 if ($builder eq "unified") {
1738 if (ref $_ eq "ARRAY") {
1739 print OUT " "x$indent, "[\n";
1741 $recurse->($indent + 4, $_);
1743 print OUT " "x$indent, "],\n";
1744 } elsif (ref $_ eq "HASH") {
1746 print OUT " "x$indent, "{\n";
1747 foreach (sort keys %h) {
1748 if (ref $h{$_} eq "") {
1749 print OUT " "x($indent + 4), quotify("perl", $_), " => ", quotify("perl", $h{$_}), ",\n";
1751 print OUT " "x($indent + 4), quotify("perl", $_), " =>\n";
1752 $recurse->($indent + 8, $h{$_});
1755 print OUT " "x$indent, "},\n";
1757 print OUT " "x$indent, quotify("perl", $_), ",\n";
1761 print OUT "our %unified_info = (\n";
1762 foreach (sort keys %unified_info) {
1763 if (ref $unified_info{$_} eq "") {
1764 print OUT " "x4, quotify("perl", $_), " => ", quotify("perl", $unified_info{$_}), ",\n";
1766 print OUT " "x4, quotify("perl", $_), " =>\n";
1767 $recurse->(8, $unified_info{$_});
1779 print "CC =$target{cc}\n";
1780 print "CFLAG =$target{cflags} $config{cflags}\n";
1781 print "SHARED_CFLAG =$target{shared_cflag}\n";
1782 print "DEFINES =",join(" ", @{$target{defines}}, @{$config{defines}}),"\n";
1783 print "LFLAG =$target{lflags}\n";
1784 print "PLIB_LFLAG =$target{plib_lflags}\n";
1785 print "EX_LIBS =$target{ex_libs} $config{ex_libs}\n";
1786 print "APPS_OBJ =$target{apps_obj}\n";
1787 print "CPUID_OBJ =$target{cpuid_obj}\n";
1788 print "UPLINK_OBJ =$target{uplink_obj}\n";
1789 print "BN_ASM =$target{bn_obj}\n";
1790 print "EC_ASM =$target{ec_obj}\n";
1791 print "DES_ENC =$target{des_obj}\n";
1792 print "AES_ENC =$target{aes_obj}\n";
1793 print "BF_ENC =$target{bf_obj}\n";
1794 print "CAST_ENC =$target{cast_obj}\n";
1795 print "RC4_ENC =$target{rc4_obj}\n";
1796 print "RC5_ENC =$target{rc5_obj}\n";
1797 print "MD5_OBJ_ASM =$target{md5_obj}\n";
1798 print "SHA1_OBJ_ASM =$target{sha1_obj}\n";
1799 print "RMD160_OBJ_ASM=$target{rmd160_obj}\n";
1800 print "CMLL_ENC =$target{cmll_obj}\n";
1801 print "MODES_OBJ =$target{modes_obj}\n";
1802 print "PADLOCK_OBJ =$target{padlock_obj}\n";
1803 print "CHACHA_ENC =$target{chacha_obj}\n";
1804 print "POLY1305_OBJ =$target{poly1305_obj}\n";
1805 print "BLAKE2_OBJ =$target{blake2_obj}\n";
1806 print "PROCESSOR =$config{processor}\n";
1807 print "RANLIB =$target{ranlib}\n";
1808 print "ARFLAGS =$target{arflags}\n";
1809 print "PERL =$config{perl}\n";
1811 print "SIXTY_FOUR_BIT_LONG mode\n" if $config{b64l};
1812 print "SIXTY_FOUR_BIT mode\n" if $config{b64};
1813 print "THIRTY_TWO_BIT mode\n" if $config{b32};
1814 print "BN_LLONG mode\n" if $config{bn_ll};
1815 print "RC4 uses $config{rc4_int}\n" if $config{rc4_int} ne $def_int;
1817 for (@generated_headers) {
1818 mkpath(catdir($blddir, dirname($_)));
1819 run_dofile(catfile($blddir, $_),
1820 catfile($srcdir, $_.".in"));
1824 ### When the old "unixmake" scheme goes away, so does this function
1826 sub build_Makefile {
1827 run_dofile("Makefile","Makefile.in");
1829 # Copy all Makefile.in to Makefile (except top-level)
1838 return if ($_ ne "Makefile.in" || $File::Find::dir eq ".");
1839 my $in = IO::File->new($_, "r") or
1840 die sprintf "Error reading Makefile.in in %s: !$\n",
1842 my $out = IO::File->new("Makefile", "w") or
1843 die sprintf "Error writing Makefile in %s: !$\n",
1845 print $out "# Generated from $_, do not edit\n";
1846 while (my $line = <$in>) { print $out $line }
1848 die sprintf "Error reading Makefile.in in %s: !$\n",
1851 die sprintf "Error writing Makefile in %s: !$\n",
1860 run_dofile(catfile($blddir, $target{build_file}),
1861 $config{build_file_template},
1862 catfile($srcdir, "Configurations", "common.tmpl"));
1867 run_dofile("util/domd", "util/domd.in");
1868 chmod 0755, "util/domd";
1872 $builders{$builder}->($builder_platform, @builder_opts);
1876 Configured for $target.
1879 print <<"EOF" if ($disabled{threads} eq "unavailable");
1881 The library could not be configured for supporting multi-threaded
1882 applications as the compiler options required on this system are not known.
1883 See file INSTALL for details if you need multi-threading.
1886 print <<"EOF" if ($no_shared_warn);
1888 The options 'shared', 'pic' and 'dynamic-engine' aren't supported on this
1889 platform, so we will pretend you gave the option 'no-pic', which also disables
1890 'shared' and 'dynamic-engine'. If you know how to implement shared libraries
1891 or position independent code, please let us know (but please first make sure
1892 you have tried with a current version of OpenSSL).
1897 ######################################################################
1899 # Helpers and utility functions
1902 # Configuration file reading #########################################
1904 # Note: All of the helper functions are for lazy evaluation. They all
1905 # return a CODE ref, which will return the intended value when evaluated.
1906 # Thus, whenever there's mention of a returned value, it's about that
1909 # Helper function to implement conditional inheritance depending on the
1910 # value of $disabled{asm}. Used in inherit_from values as follows:
1912 # inherit_from => [ "template", asm("asm_tmpl") ]
1917 $disabled{asm} ? () : @x;
1921 # Helper function to implement conditional value variants, with a default
1922 # plus additional values based on the value of $config{build_type}.
1923 # Arguments are given in hash table form:
1925 # picker(default => "Basic string: ",
1927 # release => "release")
1929 # When configuring with --debug, the resulting string will be
1930 # "Basic string: debug", and when not, it will be "Basic string: release"
1932 # This can be used to create variants of sets of flags according to the
1935 # cflags => picker(default => "-Wall",
1936 # debug => "-g -O0",
1941 return sub { add($opts{default} || (),
1942 $opts{$config{build_type}} || ())->(); }
1945 # Helper function to combine several values of different types into one.
1946 # This is useful if you want to combine a string with the result of a
1947 # lazy function, such as:
1949 # cflags => combine("-Wall", sub { $disabled{zlib} ? () : "-DZLIB" })
1953 return sub { add(@stuff)->(); }
1956 # Helper function to implement conditional values depending on the value
1957 # of $disabled{threads}. Can be used as follows:
1959 # cflags => combine("-Wall", threads("-pthread"))
1963 return sub { add($disabled{threads} ? () : @flags)->(); }
1968 our $add_called = 0;
1969 # Helper function to implement adding values to already existing configuration
1970 # values. It handles elements that are ARRAYs, CODEs and scalars
1972 my $separator = shift;
1974 # If there's any ARRAY in the collection of values OR the separator
1975 # is undef, we will return an ARRAY of combined values, otherwise a
1976 # string of joined values with $separator as the separator.
1977 my $found_array = !defined($separator);
1982 while (ref($res) eq "CODE") {
1985 if (defined($res)) {
1986 if (ref($res) eq "ARRAY") {
2002 join($separator, grep { defined($_) && $_ ne "" } @values);
2006 my $separator = " ";
2007 if (ref($_[$#_]) eq "HASH") {
2009 $separator = $opts->{separator};
2012 sub { _add($separator, @x, @_) };
2015 my $separator = " ";
2016 if (ref($_[$#_]) eq "HASH") {
2018 $separator = $opts->{separator};
2021 sub { _add($separator, @_, @x) };
2024 # configuration reader, evaluates the input file as a perl script and expects
2025 # it to fill %targets with target configurations. Those are then added to
2029 open(CONFFILE, "< $fname")
2030 or die "Can't open configuration file '$fname'!\n";
2033 my $content = <CONFFILE>;
2038 local %table = %::table; # Protect %table from tampering
2044 # For each target, check that it's configured with a hash table.
2045 foreach (keys %targets) {
2046 if (ref($targets{$_}) ne "HASH") {
2047 if (ref($targets{$_}) eq "") {
2048 warn "Deprecated target configuration for $_, ignoring...\n";
2050 warn "Misconfigured target configuration for $_ (should be a hash table), ignoring...\n";
2052 delete $targets{$_};
2056 %table = (%table, %targets);
2060 # configuration resolver. Will only resolve all the lazy evalutation
2061 # codeblocks for the chozen target and all those it inherits from,
2063 sub resolve_config {
2065 my @breadcrumbs = @_;
2067 # my $extra_checks = defined($ENV{CONFIGURE_EXTRA_CHECKS});
2069 if (grep { $_ eq $target } @breadcrumbs) {
2070 die "inherit_from loop! target backtrace:\n "
2071 ,$target,"\n ",join("\n ", @breadcrumbs),"\n";
2074 if (!defined($table{$target})) {
2075 warn "Warning! target $target doesn't exist!\n";
2078 # Recurse through all inheritances. They will be resolved on the
2079 # fly, so when this operation is done, they will all just be a
2080 # bunch of attributes with string values.
2081 # What we get here, though, are keys with references to lists of
2082 # the combined values of them all. We will deal with lists after
2083 # this stage is done.
2084 my %combined_inheritance = ();
2085 if ($table{$target}->{inherit_from}) {
2087 map { ref($_) eq "CODE" ? $_->() : $_ } @{$table{$target}->{inherit_from}};
2088 foreach (@inherit_from) {
2089 my %inherited_config = resolve_config($_, $target, @breadcrumbs);
2091 # 'template' is a marker that's considered private to
2092 # the config that had it.
2093 delete $inherited_config{template};
2096 if (!$combined_inheritance{$_}) {
2097 $combined_inheritance{$_} = [];
2099 push @{$combined_inheritance{$_}}, $inherited_config{$_};
2100 } keys %inherited_config;
2104 # We won't need inherit_from in this target any more, since we've
2105 # resolved all the inheritances that lead to this
2106 delete $table{$target}->{inherit_from};
2108 # Now is the time to deal with those lists. Here's the place to
2109 # decide what shall be done with those lists, all based on the
2110 # values of the target we're currently dealing with.
2111 # - If a value is a coderef, it will be executed with the list of
2112 # inherited values as arguments.
2113 # - If the corresponding key doesn't have a value at all or is the
2114 # emoty string, the inherited value list will be run through the
2115 # default combiner (below), and the result becomes this target's
2117 # - Otherwise, this target's value is assumed to be a string that
2118 # will simply override the inherited list of values.
2119 my $default_combiner = add();
2122 map { $_ => 1 } (keys %combined_inheritance,
2123 keys %{$table{$target}});
2125 sub process_values {
2127 my $inherited = shift; # Always a [ list ]
2133 while(ref($object) eq "CODE") {
2134 $object = $object->(@$inherited);
2136 if (!defined($object)) {
2139 elsif (ref($object) eq "ARRAY") {
2140 local $add_called; # To make sure recursive calls don't affect it
2141 return [ map { process_values($_, $inherited, $target, $entry) }
2143 } elsif (ref($object) eq "") {
2146 die "cannot handle reference type ",ref($object)
2147 ," found in target ",$target," -> ",$entry,"\n";
2151 foreach (sort keys %all_keys) {
2152 my $previous = $combined_inheritance{$_};
2154 # Current target doesn't have a value for the current key?
2155 # Assign it the default combiner, the rest of this loop body
2156 # will handle it just like any other coderef.
2157 if (!exists $table{$target}->{$_}) {
2158 $table{$target}->{$_} = $default_combiner;
2161 $table{$target}->{$_} = process_values($table{$target}->{$_},
2162 $combined_inheritance{$_},
2164 unless(defined($table{$target}->{$_})) {
2165 delete $table{$target}->{$_};
2167 # if ($extra_checks &&
2168 # $previous && !($add_called || $previous ~~ $table{$target}->{$_})) {
2169 # warn "$_ got replaced in $target\n";
2173 # Finally done, return the result.
2174 return %{$table{$target}};
2179 print STDERR $usage;
2180 print STDERR "\npick os/compiler from:\n";
2184 foreach $i (sort keys %table)
2186 next if $table{$i}->{template};
2187 next if $i =~ /^debug/;
2188 $k += length($i) + 1;
2194 print STDERR $i . " ";
2196 foreach $i (sort keys %table)
2198 next if $table{$i}->{template};
2199 next if $i !~ /^debug/;
2200 $k += length($i) + 1;
2206 print STDERR $i . " ";
2208 print STDERR "\n\nNOTE: If in doubt, on Unix-ish systems use './config'.\n";
2217 unlink $out || warn "Can't remove $out, $!"
2219 foreach (@templates) {
2220 die "Can't open $_, $!" unless -f $_;
2222 my $cmd = "$config{perl} \"-I.\" \"-Mconfigdata\" $dofile -o\"Configure\" \"".join("\" \"",@templates)."\" > \"$out.new\"";
2223 #print STDERR "DEBUG[run_dofile]: \$cmd = $cmd\n";
2226 rename("$out.new", $out) || die "Can't rename $out.new, $!";
2229 # Configuration printer ##############################################
2231 sub print_table_entry
2234 my %target = resolve_config($target);
2237 # Don't print the templates
2238 return if $target{template};
2275 "shared_extension_simple",
2276 "shared_import_extension",
2287 if ($type eq "TABLE") {
2289 print "*** $target\n";
2290 foreach (@sequence) {
2291 if (ref($target{$_}) eq "ARRAY") {
2292 printf "\$%-12s = %s\n", $_, join(" ", @{$target{$_}});
2294 printf "\$%-12s = %s\n", $_, $target{$_};
2297 } elsif ($type eq "HASH") {
2299 length((sort { length($a) <=> length($b) } @sequence)[-1]);
2300 print " '$target' => {\n";
2301 foreach (@sequence) {
2303 if (ref($target{$_}) eq "ARRAY") {
2304 print " '",$_,"'"," " x ($largest - length($_))," => [ ",join(", ", map { "'$_'" } @{$target{$_}})," ],\n";
2306 print " '",$_,"'"," " x ($largest - length($_))," => '",$target{$_},"',\n";
2314 # Utility routines ###################################################
2316 # On VMS, if the given file is a logical name, File::Spec::Functions
2317 # will consider it an absolute path. There are cases when we want a
2318 # purely syntactic check without checking the environment.
2322 # On non-platforms, we just use file_name_is_absolute().
2323 return file_name_is_absolute($file) unless $^O eq "VMS";
2325 # If the file spec includes a device or a directpry spec,
2326 # file_name_is_absolute() is perfectly safe.
2327 return file_name_is_absolute($file) if $file =~ m|[:\[]|;
2329 # Here, we know the given file spec isn't absolute
2333 # Makes a directory absolute and cleans out /../ in paths like foo/../bar
2334 # On some platforms, this uses rel2abs(), while on others, realpath() is used.
2335 # realpath() requires that at least all path components except the last is an
2336 # existing directory. On VMS, the last component of the directory spec must
2341 # realpath() is quite buggy on VMS. It uses LIB$FID_TO_NAME, which
2342 # will return the volume name for the device, no matter what. Also,
2343 # it will return an incorrect directory spec if the argument is a
2344 # directory that doesn't exist.
2346 return rel2abs($dir);
2349 # We use realpath() on Unix, since no other will properly clean out
2351 use Cwd qw/realpath/;
2353 return realpath($dir);
2360 foreach $path (split /:/, $ENV{PATH})
2362 my $fullpath = "$path/$name$target{exe_extension}";
2363 if (-f $fullpath and -x $fullpath)
2366 unless ($name eq "perl" and
2367 system("$fullpath -e " . '\'exit($]<5.0);\''));
2374 perl => sub { my $x = shift;
2375 $x =~ s/([\\\$\@"])/\\$1/g;
2376 return '"'.$x.'"'; },
2380 defined($processors{$for}) ? $processors{$for} : sub { shift; };
2382 map { $processor->($_); } @_;
2385 # collect_from_file($filename, $line_concat_cond_re, $line_concat)
2386 # $filename is a file name to read from
2387 # $line_concat_cond_re is a regexp detecting a line continuation ending
2388 # $line_concat is a CODEref that takes care of concatenating two lines
2389 sub collect_from_file {
2390 my $filename = shift;
2391 my $line_concat_cond_re = shift;
2392 my $line_concat = shift;
2394 open my $fh, $filename || die "unable to read $filename: $!\n";
2396 my $saved_line = "";
2400 if (defined $line_concat) {
2401 $_ = $line_concat->($saved_line, $_);
2404 if (defined $line_concat_cond_re && /$line_concat_cond_re/) {
2410 die "$filename ending with continuation line\n" if $_;
2416 # collect_from_array($array, $line_concat_cond_re, $line_concat)
2417 # $array is an ARRAYref of lines
2418 # $line_concat_cond_re is a regexp detecting a line continuation ending
2419 # $line_concat is a CODEref that takes care of concatenating two lines
2420 sub collect_from_array {
2422 my $line_concat_cond_re = shift;
2423 my $line_concat = shift;
2424 my @array = (@$array);
2427 my $saved_line = "";
2429 while (defined($_ = shift @array)) {
2431 if (defined $line_concat) {
2432 $_ = $line_concat->($saved_line, $_);
2435 if (defined $line_concat_cond_re && /$line_concat_cond_re/) {
2441 die "input text ending with continuation line\n" if $_;
2446 # collect_information($lineiterator, $line_continue, $regexp => $CODEref, ...)
2447 # $lineiterator is a CODEref that delivers one line at a time.
2448 # All following arguments are regex/CODEref pairs, where the regexp detects a
2449 # line and the CODEref does something with the result of the regexp.
2450 sub collect_information {
2451 my $lineiterator = shift;
2452 my %collectors = @_;
2454 while(defined($_ = $lineiterator->())) {
2457 if ($collectors{"BEFORE"}) {
2458 $collectors{"BEFORE"}->($_);
2460 foreach my $re (keys %collectors) {
2461 if ($re !~ /^OTHERWISE|BEFORE|AFTER$/ && /$re/) {
2462 $collectors{$re}->($lineiterator);
2466 if ($collectors{"OTHERWISE"}) {
2467 $collectors{"OTHERWISE"}->($lineiterator, $_)
2468 unless $found || !defined $collectors{"OTHERWISE"};
2470 if ($collectors{"AFTER"}) {
2471 $collectors{"AFTER"}->($_);