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 { $config{processor} eq "386" }
356 "ssl3-method" => [ "ssl3" ],
357 "zlib" => [ "zlib-dynamic" ],
359 "ec" => [ "ecdsa", "ecdh" ],
361 "dgram" => [ "dtls", "sctp" ],
362 "sock" => [ "sctp" ],
365 # SSL 3.0, (D)TLS 1.0 and TLS 1.1 require MD5 and SHA
366 "md5" => [ "ssl", "tls1", "tls1_1", "dtls1" ],
367 "sha" => [ "ssl", "tls1", "tls1_1", "dtls1" ],
369 # Additionally, SSL 3.0 requires either RSA or DSA+DH
371 && ($disabled{dsa} || $disabled{dh}); }
374 # (D)TLS 1.0 and TLS 1.1 also require either RSA or DSA+DH
375 # or ECDSA + ECDH. (D)TLS 1.2 has this requirement as well.
376 # (XXX: We don't support PSK-only builds).
378 && ($disabled{dsa} || $disabled{dh})
379 && ($disabled{ecdsa} || $disabled{ecdh}); }
380 => [ "tls1", "tls1_1", "tls1_2",
381 "dtls1", "dtls1_2" ],
385 # SRP and HEARTBEATS require TLSEXT
386 "tlsext" => [ "srp", "heartbeats" ],
388 "crypto-mdebug" => [ "crypto-mdebug-backtrace" ],
390 # Without DSO, we can't load dynamic engines, so don't build them dynamic
391 "dso" => [ "dynamic-engine" ],
393 # Without position independent code, there can be no shared libraries or DSOs
394 "pic" => [ "shared" ],
395 "shared" => [ "dynamic-engine" ],
396 "engine" => [ "afalgeng" ],
397 "comp" => [ "zlib" ],
398 sub { !$disabled{"unit-test"} } => [ "heartbeats" ],
401 # Avoid protocol support holes. Also disable all versions below N, if version
402 # N is disabled while N+1 is enabled.
404 my @list = (reverse @tls);
405 while ((my $first, my $second) = (shift @list, shift @list)) {
407 push @disable_cascades, ( sub { !$disabled{$first} && $disabled{$second} }
409 unshift @list, $second;
411 my @list = (reverse @dtls);
412 while ((my $first, my $second) = (shift @list, shift @list)) {
414 push @disable_cascades, ( sub { !$disabled{$first} && $disabled{$second} }
416 unshift @list, $second;
419 # Explicit "no-..." options will be collected in %disabled along with the defaults.
420 # To remove something from %disabled, use "enable-foo".
421 # For symmetry, "disable-foo" is a synonym for "no-foo".
423 my @generated_headers = (
424 "include/openssl/opensslconf.h",
425 "crypto/include/internal/bn_conf.h",
426 "crypto/include/internal/dso_conf.h"
429 my @generated_by_make_headers = (
436 &usage if ($#ARGV < 0);
440 $config{openssl_api_defines}=[];
441 $config{openssl_algorithm_defines}=[];
442 $config{openssl_thread_defines}=[];
443 $config{openssl_sys_defines}=[];
444 $config{openssl_other_defines}=[];
448 $config{build_type} = "release";
454 if (grep /^reconf(igure)?$/, @argvcopy) {
455 if (-f "./configdata.pm") {
456 my $file = "./configdata.pm";
457 unless (my $return = do $file) {
458 die "couldn't parse $file: $@" if $@;
459 die "couldn't do $file: $!" unless defined $return;
460 die "couldn't run $file" unless $return;
463 @argvcopy = defined($configdata::config{perlargv}) ?
464 @{$configdata::config{perlargv}} : ();
465 die "Incorrect data to reconfigure, please do a normal configuration\n"
466 if (grep(/^reconf/,@argvcopy));
467 $ENV{CROSS_COMPILE} = $configdata::config{cross_compile_prefix}
468 if defined($configdata::config{cross_compile_prefix});
469 $ENV{CROSS_COMPILE} = $configdata::config{cc}
470 if defined($configdata::config{cc});
472 print "Reconfiguring with: ", join(" ",@argvcopy), "\n";
473 print " CROSS_COMPILE = ",$ENV{CROSS_COMPILE},"\n"
474 if $ENV{CROSS_COMPILE};
475 print " CC = ",$ENV{CC},"\n" if $ENV{CC};
476 } elsif (open IN, "<Makefile") {
478 # THIS SECTION IS TEMPORARY, it helps transitioning from Makefile
479 # centered information gathering the reading configdata.pm
483 if (/^CONFIGURE_ARGS=\s*(.*)\s*/) {
484 # Older form, we split the string and hope for the best
485 @argvcopy = split /\s+/, $_;
486 die "Incorrect data to reconfigure, please do a normal configuration\n"
487 if (grep(/^reconf/,@argvcopy));
488 } elsif (/^CROSS_COMPILE=\s*(.*)/) {
489 $ENV{CROSS_COMPILE}=$1;
490 } elsif (/^CC=\s*(?:\$\(CROSS_COMPILE\))?(.*?)$/) {
495 # END OF TEMPORARY SECTION
498 die "Insufficient data to reconfigure, please do a normal configuration\n";
502 $config{perlargv} = [ @argvcopy ];
504 my %unsupported_options = ();
505 my %deprecated_options = ();
508 # VMS is a case insensitive environment, and depending on settings
509 # out of our control, we may receive options uppercased. Let's
510 # downcase at least the part before any equal sign.
515 s /^-no-/no-/; # some people just can't read the instructions
517 # rewrite some options in "enable-..." form
518 s /^-?-?shared$/enable-shared/;
519 s /^sctp$/enable-sctp/;
520 s /^threads$/enable-threads/;
521 s /^zlib$/enable-zlib/;
522 s /^zlib-dynamic$/enable-zlib-dynamic/;
524 if (/^(no|disable|enable)-(.+)$/)
527 if (grep { $word =~ /^${_}$/ } @deprecated_disablables)
529 $deprecated_options{$_} = 1;
532 elsif (!grep { $word =~ /^${_}$/ } @disablables)
534 $unsupported_options{$_} = 1;
538 if (/^no-(.+)$/ || /^disable-(.+)$/)
540 foreach my $proto ((@tls, @dtls))
542 if ($1 eq "$proto-method")
544 $disabled{"$proto"} = "option($proto-method)";
550 foreach my $proto (@dtls)
552 $disabled{$proto} = "option(dtls)";
554 $disabled{"dtls"} = "option(dtls)";
558 # Last one of its kind
559 $disabled{"ssl3"} = "option(ssl)";
563 # XXX: Tests will fail if all SSL/TLS
564 # protocols are disabled.
565 foreach my $proto (@tls)
567 $disabled{$proto} = "option(tls)";
570 elsif ($1 eq "static-engine")
572 delete $disabled{"dynamic-engine"};
574 elsif ($1 eq "dynamic-engine")
576 $disabled{"dynamic-engine"} = "option";
580 $disabled{$1} = "option";
582 # No longer an automatic choice
583 $auto_threads = 0 if ($1 eq "threads");
585 elsif (/^enable-(.+)$/)
587 if ($1 eq "static-engine")
589 $disabled{"dynamic-engine"} = "option";
591 elsif ($1 eq "dynamic-engine")
593 delete $disabled{"dynamic-engine"};
595 elsif ($1 eq "zlib-dynamic")
597 delete $disabled{"zlib"};
600 delete $disabled{$algo};
602 # No longer an automatic choice
603 $auto_threads = 0 if ($1 eq "threads");
605 elsif (/^--strict-warnings$/)
607 $strict_warnings = 1;
611 $config{build_type} = "debug";
613 elsif (/^--release$/)
615 $config{build_type} = "release";
618 { $config{processor}=386; }
625 # No RSAref support any more since it's not needed.
626 # The check for the option is there so scripts aren't
629 elsif (/^nofipscanistercheck$/)
632 $nofipscanistercheck = 1;
640 elsif (/^--prefix=(.*)$/)
643 die "Directory given with --prefix MUST be absolute\n"
644 unless file_name_is_absolute($config{prefix});
646 elsif (/^--api=(.*)$/)
650 elsif (/^--libdir=(.*)$/)
654 elsif (/^--openssldir=(.*)$/)
656 $config{openssldir}=$1;
658 elsif (/^--with-zlib-lib=(.*)$/)
660 $withargs{zlib_lib}=$1;
662 elsif (/^--with-zlib-include=(.*)$/)
664 $withargs{zlib_include}="-I$1";
666 elsif (/^--with-fipslibdir=(.*)$/)
668 $config{fipslibdir}="$1/";
670 elsif (/^--with-baseaddr=(.*)$/)
672 $config{baseaddr}="$1";
674 elsif (/^--cross-compile-prefix=(.*)$/)
676 $config{cross_compile_prefix}=$1;
678 elsif (/^--config=(.*)$/)
682 elsif (/^-[lL](.*)$/ or /^-Wl,/)
688 push @user_defines, $1;
690 else # common if (/^[-+]/), just pass down...
692 $_ =~ s/%([0-9a-f]{1,2})/chr(hex($1))/gei;
693 $user_cflags.=" ".$_;
698 die "target already defined - $target (offending arg: $_)\n" if ($target ne "");
701 unless ($_ eq $target || /^no-/ || /^disable-/)
703 # "no-..." follows later after implied disactivations
704 # have been derived. (Don't take this too seroiusly,
705 # we really only write OPTIONS to the Makefile out of
708 if ($config{options} eq "")
709 { $config{options} = $_; }
711 { $config{options} .= " ".$_; }
714 if (defined($config{api}) && !exists $apitable->{$config{api}}) {
715 die "***** Unsupported api compatibility level: $config{api}\n",
718 if (keys %deprecated_options)
720 warn "***** Deprecated options: ",
721 join(", ", keys %deprecated_options), "\n";
723 if (keys %unsupported_options)
725 die "***** Unsupported options: ",
726 join(", ", keys %unsupported_options), "\n";
732 delete $disabled{"shared"} if ($disabled{"shared"} =~ /^default/);
736 @{$config{dirs}} = grep !/^fips$/, @{$config{dirs}};
739 my @tocheckfor = (keys %disabled);
740 while (@tocheckfor) {
741 my %new_tocheckfor = ();
742 my @cascade_copy = (@disable_cascades);
743 while (@cascade_copy) {
744 my ($test, $descendents) = (shift @cascade_copy, shift @cascade_copy);
745 if (ref($test) eq "CODE" ? $test->() : defined($disabled{$test})) {
747 $new_tocheckfor{$_} = 1; $disabled{$_} = "forced";
748 } grep { !defined($disabled{$_}) } @$descendents;
751 @tocheckfor = (keys %new_tocheckfor);
754 if ($target eq "TABLE") {
755 foreach (sort keys %table) {
756 print_table_entry($_, "TABLE");
761 if ($target eq "LIST") {
762 foreach (sort keys %table) {
763 print $_,"\n" unless $table{$_}->{template};
768 if ($target eq "HASH") {
769 print "%table = (\n";
770 foreach (sort keys %table) {
771 print_table_entry($_, "HASH");
776 # Backward compatibility?
777 if ($target =~ m/^CygWin32(-.*)$/) {
778 $target = "Cygwin".$1;
781 foreach (sort (keys %disabled))
783 $config{options} .= " no-$_";
785 printf " no-%-12s %-10s", $_, "[$disabled{$_}]";
797 elsif (/^dynamic-engine$/)
799 elsif (/^makedepend$/)
801 elsif (/^zlib-dynamic$/)
807 @{$config{dirs}} = grep !/^engines$/, @{$config{dirs}};
808 @{$config{sdirs}} = grep !/^engine$/, @{$config{sdirs}};
809 push @{$config{openssl_other_defines}}, "OPENSSL_NO_ENGINE";
814 ($ALGO = $algo = $_) =~ tr/[\-a-z]/[_A-Z]/;
816 if (/^asm$/ || /^err$/ || /^hw$/ || /^hw-/ || /^async$/
817 || /^autoalginit/ || /^autoerrinit/)
819 push @{$config{openssl_other_defines}}, "OPENSSL_NO_$ALGO";
820 print " OPENSSL_NO_$ALGO";
822 if (/^err$/) { push @user_defines, "OPENSSL_NO_ERR"; }
826 ($ALGO,$algo) = ("RMD160","rmd160") if ($algo eq "ripemd");
828 push @{$config{openssl_algorithm_defines}}, "OPENSSL_NO_$ALGO";
829 print " OPENSSL_NO_$ALGO";
831 # fix-up crypto/directory name(s)
832 $algo="whrlpool" if $algo eq "whirlpool";
833 $algo="ripemd" if $algo eq "rmd160";
834 @{$config{sdirs}} = grep { $_ ne $algo} @{$config{sdirs}};
843 print "Configuring for $target\n";
845 # Support for legacy targets having a name starting with 'debug-'
846 my ($d, $t) = $target =~ m/^(debug-)?(.*)$/;
848 $config{build_type} = "debug";
850 # If we do not find debug-foo in the table, the target is set to foo.
851 if (!$table{$target}) {
855 $config{target} = $target;
856 my %target = resolve_config($target);
858 &usage if (!%target || $target{template});
860 %target = ( %{$table{DEFAULTS}}, %target );
862 $target{exe_extension}="";
863 $target{exe_extension}=".exe" if ($config{target} eq "DJGPP"
864 || $config{target} =~ /^(?:Cygwin|mingw)/);
865 $target{exe_extension}=".pm" if ($config{target} =~ /vos/);
867 ($target{shared_extension_simple}=$target{shared_extension})
868 =~ s|\.\$\(SHLIB_MAJOR\)\.\$\(SHLIB_MINOR\)||;
869 $target{dso_extension}=$target{shared_extension_simple};
870 ($target{shared_import_extension}=$target{shared_extension_simple}.".a")
871 if ($config{target} =~ /^(?:Cygwin|mingw)/);
874 $config{cross_compile_prefix} = $ENV{'CROSS_COMPILE'}
875 if $config{cross_compile_prefix} eq "";
877 # Allow overriding the names of some tools. USE WITH CARE
878 $config{perl} = $ENV{'PERL'} || ($^O ne "VMS" ? $^X : "perl");
879 $target{cc} = $ENV{'CC'} || $target{cc} || "cc";
880 $target{ranlib} = $ENV{'RANLIB'} || $target{ranlib} || which("ranlib") || "true";
881 $target{ar} = $ENV{'AR'} || $target{ar} || "ar";
882 $target{nm} = $ENV{'NM'} || $target{nm} || "nm";
884 # For cflags, lflags, plib_lflags, ex_libs and defines, add the debug_
885 # or release_ attributes.
886 # Do it in such a way that no spurious space is appended (hence the grep).
887 $config{defines} = [];
888 $config{cflags} = "";
889 $config{ex_libs} = "";
890 $config{shared_ldflag} = "";
892 # Make sure build_scheme is consistent.
893 $target{build_scheme} = [ $target{build_scheme} ]
894 if ref($target{build_scheme}) ne "ARRAY";
896 ###### TO BE REMOVED WHEN CLASSIC BUILD IS REMOVED
898 ###### If the user has chosen --classic, we give it to them.
899 ###### If they try that with an out-of-source config, we complain.
900 if ($target{build_scheme}->[0] eq "unified" && $classic) {
901 die "Can't perform a classic build out of source tree\n"
902 if $srcdir ne $blddir;
904 $target{build_scheme} = { unix => [ "unixmake" ],
906 VMS => undef } -> {$target{build_scheme}->[1]};
908 die "Classic mode unavailable on this platform\n"
909 unless defined($target{build_scheme});
912 my ($builder, $builder_platform, @builder_opts) =
913 @{$target{build_scheme}};
915 push @{$config{defines}}, "NDEBUG" if $config{build_type} eq "release";
917 if ($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}$target{cc}";
1104 open(PIPE, "$ccpcc --version 2>&1 |");
1107 # Find the version number and save the major.
1108 m|(?:.*)\b(\d+)\.\d+\.\d+\b(?:.*)|;
1109 my $compiler_major = $1;
1110 # We know that GNU C version 3 and up as well as all clang
1111 # versions support dependency generation
1112 $config{makedepprog} = $ccpcc
1113 if (/clang/ || (/gcc/ && $compiler_major > 3));
1114 $ecc = "clang" if /clang/;
1115 $ecc = "gcc" if /gcc/;
1116 last if ($config{makedepprog} || !$lines--);
1120 $config{makedepprog} = which('makedepend') unless $config{makedepprog};
1121 $disabled{makedepend} = "unavailable" unless $config{makedepprog};
1126 # Deal with bn_ops ###################################################
1129 $config{export_var_as_fn} =0;
1130 my $def_int="unsigned int";
1131 $config{rc4_int} =$def_int;
1132 ($config{b64l},$config{b64},$config{b32})=(0,0,1);
1135 foreach (sort split(/\s+/,$target{bn_ops})) {
1136 $count++ if /SIXTY_FOUR_BIT|SIXTY_FOUR_BIT_LONG|THIRTY_TWO_BIT/;
1137 $config{export_var_as_fn}=1 if $_ eq 'EXPORT_VAR_AS_FN';
1138 $config{bn_ll}=1 if $_ eq 'BN_LLONG';
1139 $config{rc4_int}="unsigned char" if $_ eq 'RC4_CHAR';
1140 ($config{b64l},$config{b64},$config{b32})
1141 =(0,1,0) if $_ eq 'SIXTY_FOUR_BIT';
1142 ($config{b64l},$config{b64},$config{b32})
1143 =(1,0,0) if $_ eq 'SIXTY_FOUR_BIT_LONG';
1144 ($config{b64l},$config{b64},$config{b32})
1145 =(0,0,1) if $_ eq 'THIRTY_TWO_BIT';
1147 die "Exactly one of SIXTY_FOUR_BIT|SIXTY_FOUR_BIT_LONG|THIRTY_TWO_BIT can be set in bn_ops\n"
1151 # Hack cflags for better warnings (dev option) #######################
1153 # "Stringify" the C flags string. This permits it to be made part of a string
1154 # and works as well on command lines.
1155 $config{cflags} =~ s/([\\\"])/\\$1/g;
1157 if (defined($config{api})) {
1158 $config{openssl_api_defines} = [ "OPENSSL_MIN_API=".$apitable->{$config{api}} ];
1159 my $apiflag = sprintf("OPENSSL_API_COMPAT=%s", $apitable->{$config{api}});
1160 push @{$config{defines}}, $apiflag;
1163 if ($strict_warnings)
1166 die "ERROR --strict-warnings requires gcc or clang"
1167 unless $ecc eq 'gcc' || $ecc eq 'clang';
1168 foreach $wopt (split /\s+/, $gcc_devteam_warn)
1170 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1172 if ($ecc eq "clang")
1174 foreach $wopt (split /\s+/, $clang_devteam_warn)
1176 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1181 unless ($disabled{"crypto-mdebug-backtrace"})
1183 foreach my $wopt (split /\s+/, $memleak_devteam_backtrace)
1185 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1187 if ($target =~ /^BSD-/)
1189 $config{ex_libs} .= " -lexecinfo";
1193 if ($user_cflags ne "") { $config{cflags}="$config{cflags}$user_cflags"; }
1194 else { $no_user_cflags=1; }
1195 if (@user_defines) { $config{defines}=[ @{$config{defines}}, @user_defines ]; }
1196 else { $no_user_defines=1; }
1198 # ALL MODIFICATIONS TO %config and %target MUST BE DONE FROM HERE ON
1200 unless ($disabled{afalgeng}) {
1201 $config{afalgeng}="";
1202 if ($target =~ m/^linux/) {
1203 my $minver = 4*10000 + 1*100 + 0;
1204 if ($config{cross_compile_prefix} eq "") {
1205 my $verstr = `uname -r`;
1206 my ($ma, $mi1, $mi2) = split("\\.", $verstr);
1207 ($mi2) = $mi2 =~ /(\d+)/;
1208 my $ver = $ma*10000 + $mi1*100 + $mi2;
1209 if ($ver < $minver) {
1210 $disabled{afalgeng} = "too-old-kernel";
1212 push @{$config{engdirs}}, "afalg";
1215 $disabled{afalgeng} = "cross-compiling";
1218 $disabled{afalgeng} = "not-linux";
1222 push @{$config{openssl_other_defines}}, "OPENSSL_NO_AFALGENG" if ($disabled{afalgeng});
1224 # If we use the unified build, collect information from build.info files
1225 my %unified_info = ();
1227 my $buildinfo_debug = defined($ENV{CONFIGURE_DEBUG_BUILDINFO});
1228 if ($builder eq "unified") {
1229 # Store the name of the template file we will build the build file from
1230 # in %config. This may be useful for the build file itself.
1231 my $build_file_template =
1232 catfile($srcdir, "Configurations",
1233 $builder_platform."-".$target{build_file}.".tmpl");
1234 $build_file_template =
1235 catfile($srcdir, "Configurations", $target{build_file}.".tmpl")
1236 if (! -f $build_file_template);
1237 $config{build_file_template} = $build_file_template;
1239 use lib catdir(dirname(__FILE__),"util");
1240 use with_fallback qw(Text::Template);
1245 my $relativeto = shift || ".";
1247 $dir = catdir($base,$dir) unless isabsolute($dir);
1249 # Make sure the directories we're building in exists
1252 my $res = abs2rel(absolutedir($dir), rel2abs($relativeto));
1253 #print STDERR "DEBUG[cleandir]: $dir , $base => $res\n";
1260 my $relativeto = shift || ".";
1262 $file = catfile($base,$file) unless isabsolute($file);
1264 my $d = dirname($file);
1265 my $f = basename($file);
1267 # Make sure the directories we're building in exists
1270 my $res = abs2rel(catfile(absolutedir($d), $f), rel2abs($relativeto));
1271 #print STDERR "DEBUG[cleanfile]: $d , $f => $res\n";
1275 my @build_infos = ( [ ".", "build.info" ] );
1276 foreach (@{$config{dirs}}) {
1277 push @build_infos, [ $_, "build.info" ]
1278 if (-f catfile($srcdir, $_, "build.info"));
1280 foreach (@{$config{sdirs}}) {
1281 push @build_infos, [ catdir("crypto", $_), "build.info" ]
1282 if (-f catfile($srcdir, "crypto", $_, "build.info"));
1284 foreach (@{$config{engdirs}}) {
1285 push @build_infos, [ catdir("engines", $_), "build.info" ]
1286 if (-f catfile($srcdir, "engines", $_, "build.info"));
1289 $config{build_infos} = [ ];
1291 foreach (@build_infos) {
1292 my $sourced = catdir($srcdir, $_->[0]);
1293 my $buildd = catdir($blddir, $_->[0]);
1298 # The basic things we're trying to build
1305 my @intermediates = ();
1310 my %shared_sources = ();
1314 my %sharednames = ();
1317 push @{$config{build_infos}}, catfile(abs2rel($sourced, $blddir), $f);
1318 my $template = Text::Template->new(TYPE => 'FILE',
1319 SOURCE => catfile($sourced, $f));
1320 die "Something went wrong with $sourced/$f: $!\n" unless $template;
1323 $template->fill_in(HASH => { config => \%config,
1325 disabled => \%disabled,
1326 builddir => abs2rel($buildd, $blddir),
1327 sourcedir => abs2rel($sourced, $blddir),
1328 buildtop => abs2rel($blddir, $blddir),
1329 sourcetop => abs2rel($srcdir, $blddir) },
1330 DELIMITERS => [ "{-", "-}" ]);
1332 # The top item of this stack has the following values
1333 # -2 positive already run and we found ELSE (following ELSIF should fail)
1334 # -1 positive already run (skip until ENDIF)
1335 # 0 negatives so far (if we're at a condition, check it)
1336 # 1 last was positive (don't skip lines until next ELSE, ELSIF or ENDIF)
1337 # 2 positive ELSE (following ELSIF should fail)
1339 collect_information(
1340 collect_from_array([ @text ],
1341 qr/\\$/ => sub { my $l1 = shift; my $l2 = shift;
1342 $l1 =~ s/\\$//; $l1.$l2 }),
1343 # Info we're looking for
1344 qr/^\s*IF\[((?:\\.|[^\\\]])*)\]\s*$/
1346 if (! @skip || $skip[$#skip] > 0) {
1352 qr/^\s*ELSIF\[((?:\\.|[^\\\]])*)\]\s*$/
1353 => sub { die "ELSIF out of scope" if ! @skip;
1354 die "ELSIF following ELSE" if abs($skip[$#skip]) == 2;
1355 $skip[$#skip] = -1 if $skip[$#skip] != 0;
1356 $skip[$#skip] = !! $1
1357 if $skip[$#skip] == 0; },
1359 => sub { die "ELSE out of scope" if ! @skip;
1360 $skip[$#skip] = -2 if $skip[$#skip] != 0;
1361 $skip[$#skip] = 2 if $skip[$#skip] == 0; },
1363 => sub { die "ENDIF out of scope" if ! @skip;
1365 qr/^\s*PROGRAMS\s*=\s*(.*)\s*$/
1366 => sub { push @programs, split(/\s+/, $1)
1367 if !@skip || $skip[$#skip] > 0 },
1368 qr/^\s*LIBS\s*=\s*(.*)\s*$/
1369 => sub { push @libraries, split(/\s+/, $1)
1370 if !@skip || $skip[$#skip] > 0 },
1371 qr/^\s*ENGINES\s*=\s*(.*)\s*$/
1372 => sub { push @engines, split(/\s+/, $1)
1373 if !@skip || $skip[$#skip] > 0 },
1374 qr/^\s*SCRIPTS\s*=\s*(.*)\s*$/
1375 => sub { push @scripts, split(/\s+/, $1)
1376 if !@skip || $skip[$#skip] > 0 },
1377 qr/^\s*EXTRA\s*=\s*(.*)\s*$/
1378 => sub { push @extra, split(/\s+/, $1)
1379 if !@skip || $skip[$#skip] > 0 },
1380 qr/^\s*OVERRIDES\s*=\s*(.*)\s*$/
1381 => sub { push @overrides, split(/\s+/, $1)
1382 if !@skip || $skip[$#skip] > 0 },
1384 qr/^\s*ORDINALS\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/,
1385 => sub { push @{$ordinals{$1}}, split(/\s+/, $2)
1386 if !@skip || $skip[$#skip] > 0 },
1387 qr/^\s*SOURCE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1388 => sub { push @{$sources{$1}}, split(/\s+/, $2)
1389 if !@skip || $skip[$#skip] > 0 },
1390 qr/^\s*SHARED_SOURCE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1391 => sub { push @{$shared_sources{$1}}, split(/\s+/, $2)
1392 if !@skip || $skip[$#skip] > 0 },
1393 qr/^\s*INCLUDE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1394 => sub { push @{$includes{$1}}, split(/\s+/, $2)
1395 if !@skip || $skip[$#skip] > 0 },
1396 qr/^\s*DEPEND\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1397 => sub { push @{$depends{$1}}, split(/\s+/, $2)
1398 if !@skip || $skip[$#skip] > 0 },
1399 qr/^\s*GENERATE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1400 => sub { push @{$generate{$1}}, $2
1401 if !@skip || $skip[$#skip] > 0 },
1402 qr/^\s*RENAME\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1403 => sub { push @{$renames{$1}}, split(/\s+/, $2)
1404 if !@skip || $skip[$#skip] > 0 },
1405 qr/^\s*SHARED_NAME\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1406 => sub { push @{$sharednames{$1}}, split(/\s+/, $2)
1407 if !@skip || $skip[$#skip] > 0 },
1408 qr/^\s*BEGINRAW\[((?:\\.|[^\\\]])+)\]\s*$/
1410 my $lineiterator = shift;
1411 my $target_kind = $1;
1412 while (defined $lineiterator->()) {
1414 if (/^\s*ENDRAW\[((?:\\.|[^\\\]])+)\]\s*$/) {
1415 die "ENDRAW doesn't match BEGINRAW"
1416 if $1 ne $target_kind;
1419 next if @skip && $skip[$#skip] <= 0;
1421 if ($target_kind eq $target{build_file}
1422 || $target_kind eq $target{build_file}."(".$builder_platform.")");
1425 qr/^(?:#.*|\s*)$/ => sub { },
1426 "OTHERWISE" => sub { die "Something wrong with this line:\n$_\nat $sourced/$f" },
1428 if ($buildinfo_debug) {
1429 print STDERR "DEBUG: Parsing ",join(" ", @_),"\n";
1430 print STDERR "DEBUG: ... before parsing, skip stack is ",join(" ", map { int($_) } @skip),"\n";
1434 if ($buildinfo_debug) {
1435 print STDERR "DEBUG: .... after parsing, skip stack is ",join(" ", map { int($_) } @skip),"\n";
1439 die "runaway IF?" if (@skip);
1441 foreach (keys %renames) {
1442 die "$_ renamed to more than one thing: "
1443 ,join(" ", @{$renames{$_}}),"\n"
1444 if scalar @{$renames{$_}} > 1;
1445 my $dest = cleanfile($buildd, $_, $blddir);
1446 my $to = cleanfile($buildd, $renames{$_}->[0], $blddir);
1447 die "$dest renamed to more than one thing: "
1448 ,$unified_info{rename}->{$dest}, $to
1449 unless !defined($unified_info{rename}->{$dest})
1450 or $unified_info{rename}->{$dest} eq $to;
1451 $unified_info{rename}->{$dest} = $to;
1454 foreach (@programs) {
1455 my $program = cleanfile($buildd, $_, $blddir);
1456 if ($unified_info{rename}->{$program}) {
1457 $program = $unified_info{rename}->{$program};
1459 $unified_info{programs}->{$program} = 1;
1462 foreach (@libraries) {
1463 my $library = cleanfile($buildd, $_, $blddir);
1464 if ($unified_info{rename}->{$library}) {
1465 $library = $unified_info{rename}->{$library};
1467 $unified_info{libraries}->{$library} = 1;
1470 die <<"EOF" if scalar @engines and !$config{dynamic_engines};
1471 ENGINES can only be used if configured with 'dynamic-engine'.
1472 This is usually a fault in a build.info file.
1474 foreach (@engines) {
1475 my $library = cleanfile($buildd, $_, $blddir);
1476 if ($unified_info{rename}->{$library}) {
1477 $library = $unified_info{rename}->{$library};
1479 $unified_info{engines}->{$library} = 1;
1482 foreach (@scripts) {
1483 my $script = cleanfile($buildd, $_, $blddir);
1484 if ($unified_info{rename}->{$script}) {
1485 $script = $unified_info{rename}->{$script};
1487 $unified_info{scripts}->{$script} = 1;
1491 my $extra = cleanfile($buildd, $_, $blddir);
1492 $unified_info{extra}->{$extra} = 1;
1495 foreach (@overrides) {
1496 my $override = cleanfile($buildd, $_, $blddir);
1497 $unified_info{overrides}->{$override} = 1;
1500 push @{$unified_info{rawlines}}, @rawlines;
1502 unless ($disabled{shared}) {
1503 # Check sharednames.
1504 foreach (keys %sharednames) {
1505 my $dest = cleanfile($buildd, $_, $blddir);
1506 if ($unified_info{rename}->{$dest}) {
1507 $dest = $unified_info{rename}->{$dest};
1509 die "shared_name for $dest with multiple values: "
1510 ,join(" ", @{$sharednames{$_}}),"\n"
1511 if scalar @{$sharednames{$_}} > 1;
1512 my $to = cleanfile($buildd, $sharednames{$_}->[0], $blddir);
1513 die "shared_name found for a library $dest that isn't defined\n"
1514 unless $unified_info{libraries}->{$dest};
1515 die "shared_name for $dest with multiple values: "
1516 ,$unified_info{sharednames}->{$dest}, ", ", $to
1517 unless !defined($unified_info{sharednames}->{$dest})
1518 or $unified_info{sharednames}->{$dest} eq $to;
1519 $unified_info{sharednames}->{$dest} = $to;
1522 # Additionally, we set up sharednames for libraries that don't
1523 # have any, as themselves.
1524 foreach (keys %{$unified_info{libraries}}) {
1525 if (!defined $unified_info{sharednames}->{$_}) {
1526 $unified_info{sharednames}->{$_} = $_
1531 foreach (keys %ordinals) {
1533 my $ddest = cleanfile($buildd, $_, $blddir);
1534 if ($unified_info{rename}->{$ddest}) {
1535 $ddest = $unified_info{rename}->{$ddest};
1537 foreach (@{$ordinals{$dest}}) {
1538 my %known_ordinals =
1541 cleanfile($sourced, catfile("util", "libcrypto.num"), $blddir),
1543 cleanfile($sourced, catfile("util", "libssl.num"), $blddir)
1545 my $o = $known_ordinals{$_};
1546 die "Ordinals for $ddest defined more than once\n"
1547 if $unified_info{ordinals}->{$ddest};
1548 $unified_info{ordinals}->{$ddest} = [ $_, $o ];
1552 foreach (keys %sources) {
1554 my $ddest = cleanfile($buildd, $_, $blddir);
1555 if ($unified_info{rename}->{$ddest}) {
1556 $ddest = $unified_info{rename}->{$ddest};
1558 foreach (@{$sources{$dest}}) {
1559 my $s = cleanfile($sourced, $_, $blddir);
1561 # If it isn't in the source tree, we assume it's generated
1564 $s = cleanfile($buildd, $_, $blddir);
1566 # We recognise C and asm files
1567 if ($s =~ /\.[csS]\b$/) {
1568 (my $o = $_) =~ s/\.[csS]\b$/.o/;
1569 $o = cleanfile($buildd, $o, $blddir);
1570 $unified_info{sources}->{$ddest}->{$o} = 1;
1571 $unified_info{sources}->{$o}->{$s} = 1;
1573 $unified_info{sources}->{$ddest}->{$s} = 1;
1578 foreach (keys %shared_sources) {
1580 my $ddest = cleanfile($buildd, $_, $blddir);
1581 if ($unified_info{rename}->{$ddest}) {
1582 $ddest = $unified_info{rename}->{$ddest};
1584 foreach (@{$shared_sources{$dest}}) {
1585 my $s = cleanfile($sourced, $_, $blddir);
1587 # If it isn't in the source tree, we assume it's generated
1590 $s = cleanfile($buildd, $_, $blddir);
1592 # We recognise C and asm files
1593 if ($s =~ /\.[csS]\b$/) {
1594 (my $o = $_) =~ s/\.[csS]\b$/.o/;
1595 $o = cleanfile($buildd, $o, $blddir);
1596 $unified_info{shared_sources}->{$ddest}->{$o} = 1;
1597 $unified_info{sources}->{$o}->{$s} = 1;
1599 die "unrecognised source file type for shared library: $s\n";
1604 foreach (keys %generate) {
1606 my $ddest = cleanfile($buildd, $_, $blddir);
1607 if ($unified_info{rename}->{$ddest}) {
1608 $ddest = $unified_info{rename}->{$ddest};
1610 die "more than one generator for $dest: "
1611 ,join(" ", @{$generate{$_}}),"\n"
1612 if scalar @{$generate{$_}} > 1;
1613 my @generator = split /\s+/, $generate{$dest}->[0];
1614 $generator[0] = cleanfile($sourced, $generator[0], $blddir),
1615 $unified_info{generate}->{$ddest} = [ @generator ];
1618 foreach (keys %depends) {
1620 my $ddest = cleanfile($buildd, $_, $blddir);
1621 if ($unified_info{rename}->{$ddest}) {
1622 $ddest = $unified_info{rename}->{$ddest};
1624 foreach (@{$depends{$dest}}) {
1625 my $d = cleanfile($sourced, $_, $blddir);
1627 # If we know it's generated, or assume it is because we can't
1628 # find it in the source tree, we set file we depend on to be
1629 # in the build tree rather than the source tree, and assume
1630 # and that there are lines to build it in a BEGINRAW..ENDRAW
1631 # section or in the Makefile template.
1633 || (grep { $d eq $_ }
1634 map { cleanfile($srcdir, $_, $blddir) }
1635 (@generated_headers, @generated_by_make_headers))) {
1636 $d = cleanfile($buildd, $_, $blddir);
1638 # Take note if the file to depend on is being renamed
1639 if ($unified_info{rename}->{$d}) {
1640 $d = $unified_info{rename}->{$d};
1642 $unified_info{depends}->{$ddest}->{$d} = 1;
1643 # If we depend on a header file, let's make sure it
1646 my $i = dirname($d);
1647 push @{$unified_info{includes}->{$ddest}}, $i
1648 unless grep { $_ eq $i } @{$unified_info{includes}->{$ddest}};
1653 foreach (keys %includes) {
1655 my $ddest = cleanfile($buildd, $_, $blddir);
1656 if ($unified_info{rename}->{$ddest}) {
1657 $ddest = $unified_info{rename}->{$ddest};
1659 foreach (@{$includes{$dest}}) {
1660 my $i = cleandir($sourced, $_, $blddir);
1661 push @{$unified_info{includes}->{$ddest}}, $i
1662 unless grep { $_ eq $i } @{$unified_info{includes}->{$ddest}};
1667 ### Make unified_info a bit more efficient
1668 # One level structures
1669 foreach (("programs", "libraries", "engines", "scripts", "extra", "overrides")) {
1670 $unified_info{$_} = [ sort keys %{$unified_info{$_}} ];
1672 # Two level structures
1673 foreach my $l1 (("sources", "shared_sources", "ldadd", "depends")) {
1674 foreach my $l2 (sort keys %{$unified_info{$l1}}) {
1675 $unified_info{$l1}->{$l2} =
1676 [ sort keys %{$unified_info{$l1}->{$l2}} ];
1681 # For the schemes that need it, we provide the old *_obj configs
1682 # from the *_asm_obj ones
1683 foreach (grep /_(asm|aux)_src$/, keys %target) {
1685 (my $obj = $_) =~ s/_(asm|aux)_src$/_obj/;
1686 ($target{$obj} = $target{$src}) =~ s/\.[csS]\b/.o/g;
1689 # Write down our configuration where it fits #########################
1691 open(OUT,">configdata.pm") || die "unable to create configdata.pm: $!\n";
1699 #use vars qw(\@ISA \@EXPORT);
1700 our \@ISA = qw(Exporter);
1701 our \@EXPORT = qw(\%config \%target \%disabled \%withargs \%unified_info \@disablables);
1704 print OUT "our %config = (\n";
1705 foreach (sort keys %config) {
1706 if (ref($config{$_}) eq "ARRAY") {
1707 print OUT " ", $_, " => [ ", join(", ",
1708 map { quotify("perl", $_) }
1709 @{$config{$_}}), " ],\n";
1711 print OUT " ", $_, " => ", quotify("perl", $config{$_}), ",\n"
1718 print OUT "our %target = (\n";
1719 foreach (sort keys %target) {
1720 if (ref($target{$_}) eq "ARRAY") {
1721 print OUT " ", $_, " => [ ", join(", ",
1722 map { quotify("perl", $_) }
1723 @{$target{$_}}), " ],\n";
1725 print OUT " ", $_, " => ", quotify("perl", $target{$_}), ",\n"
1732 print OUT "our \%available_protocols = (\n";
1733 print OUT " tls => [ ", join(", ", map { quotify("perl", $_) } @tls), " ],\n";
1734 print OUT " dtls => [ ", join(", ", map { quotify("perl", $_) } @dtls), " ],\n";
1739 print OUT "our \@disablables = (\n";
1740 foreach (@disablables) {
1741 print OUT " ", quotify("perl", $_), ",\n";
1747 print OUT "our \%disabled = (\n";
1748 foreach (sort keys %disabled) {
1749 print OUT " ", quotify("perl", $_), " => ", quotify("perl", $disabled{$_}), ",\n";
1755 print OUT "our %withargs = (\n";
1756 foreach (sort keys %withargs) {
1757 if (ref($withargs{$_}) eq "ARRAY") {
1758 print OUT " ", $_, " => [ ", join(", ",
1759 map { quotify("perl", $_) }
1760 @{$withargs{$_}}), " ],\n";
1762 print OUT " ", $_, " => ", quotify("perl", $withargs{$_}), ",\n"
1769 if ($builder eq "unified") {
1774 if (ref $_ eq "ARRAY") {
1775 print OUT " "x$indent, "[\n";
1777 $recurse->($indent + 4, $_);
1779 print OUT " "x$indent, "],\n";
1780 } elsif (ref $_ eq "HASH") {
1782 print OUT " "x$indent, "{\n";
1783 foreach (sort keys %h) {
1784 if (ref $h{$_} eq "") {
1785 print OUT " "x($indent + 4), quotify("perl", $_), " => ", quotify("perl", $h{$_}), ",\n";
1787 print OUT " "x($indent + 4), quotify("perl", $_), " =>\n";
1788 $recurse->($indent + 8, $h{$_});
1791 print OUT " "x$indent, "},\n";
1793 print OUT " "x$indent, quotify("perl", $_), ",\n";
1797 print OUT "our %unified_info = (\n";
1798 foreach (sort keys %unified_info) {
1799 if (ref $unified_info{$_} eq "") {
1800 print OUT " "x4, quotify("perl", $_), " => ", quotify("perl", $unified_info{$_}), ",\n";
1802 print OUT " "x4, quotify("perl", $_), " =>\n";
1803 $recurse->(8, $unified_info{$_});
1815 print "CC =$target{cc}\n";
1816 print "CFLAG =$target{cflags} $config{cflags}\n";
1817 print "SHARED_CFLAG =$target{shared_cflag}\n";
1818 print "DEFINES =",join(" ", @{$target{defines}}, @{$config{defines}}),"\n";
1819 print "LFLAG =$target{lflags}\n";
1820 print "PLIB_LFLAG =$target{plib_lflags}\n";
1821 print "EX_LIBS =$target{ex_libs} $config{ex_libs}\n";
1822 print "APPS_OBJ =$target{apps_obj}\n";
1823 print "CPUID_OBJ =$target{cpuid_obj}\n";
1824 print "UPLINK_OBJ =$target{uplink_obj}\n";
1825 print "BN_ASM =$target{bn_obj}\n";
1826 print "EC_ASM =$target{ec_obj}\n";
1827 print "DES_ENC =$target{des_obj}\n";
1828 print "AES_ENC =$target{aes_obj}\n";
1829 print "BF_ENC =$target{bf_obj}\n";
1830 print "CAST_ENC =$target{cast_obj}\n";
1831 print "RC4_ENC =$target{rc4_obj}\n";
1832 print "RC5_ENC =$target{rc5_obj}\n";
1833 print "MD5_OBJ_ASM =$target{md5_obj}\n";
1834 print "SHA1_OBJ_ASM =$target{sha1_obj}\n";
1835 print "RMD160_OBJ_ASM=$target{rmd160_obj}\n";
1836 print "CMLL_ENC =$target{cmll_obj}\n";
1837 print "MODES_OBJ =$target{modes_obj}\n";
1838 print "PADLOCK_OBJ =$target{padlock_obj}\n";
1839 print "CHACHA_ENC =$target{chacha_obj}\n";
1840 print "POLY1305_OBJ =$target{poly1305_obj}\n";
1841 print "BLAKE2_OBJ =$target{blake2_obj}\n";
1842 print "PROCESSOR =$config{processor}\n";
1843 print "RANLIB =$target{ranlib}\n";
1844 print "ARFLAGS =$target{arflags}\n";
1845 print "PERL =$config{perl}\n";
1847 print "SIXTY_FOUR_BIT_LONG mode\n" if $config{b64l};
1848 print "SIXTY_FOUR_BIT mode\n" if $config{b64};
1849 print "THIRTY_TWO_BIT mode\n" if $config{b32};
1850 print "BN_LLONG mode\n" if $config{bn_ll};
1851 print "RC4 uses $config{rc4_int}\n" if $config{rc4_int} ne $def_int;
1853 for (@generated_headers) {
1854 mkpath(catdir($blddir, dirname($_)));
1855 run_dofile(catfile($blddir, $_),
1856 catfile($srcdir, $_.".in"));
1860 ### When the old "unixmake" scheme goes away, so does this function
1862 sub build_Makefile {
1863 run_dofile("Makefile","Makefile.in");
1865 # Copy all Makefile.in to Makefile (except top-level)
1874 return if ($_ ne "Makefile.in" || $File::Find::dir eq ".");
1875 my $in = IO::File->new($_, "r") or
1876 die sprintf "Error reading Makefile.in in %s: !$\n",
1878 my $out = IO::File->new("Makefile", "w") or
1879 die sprintf "Error writing Makefile in %s: !$\n",
1881 print $out "# Generated from $_, do not edit\n";
1882 while (my $line = <$in>) { print $out $line }
1884 die sprintf "Error reading Makefile.in in %s: !$\n",
1887 die sprintf "Error writing Makefile in %s: !$\n",
1896 run_dofile(catfile($blddir, $target{build_file}),
1897 $config{build_file_template},
1898 catfile($srcdir, "Configurations", "common.tmpl"));
1903 run_dofile("util/domd", "util/domd.in");
1904 chmod 0755, "util/domd";
1908 $builders{$builder}->($builder_platform, @builder_opts);
1912 Configured for $target.
1915 print <<"EOF" if ($disabled{threads} eq "unavailable");
1917 The library could not be configured for supporting multi-threaded
1918 applications as the compiler options required on this system are not known.
1919 See file INSTALL for details if you need multi-threading.
1922 print <<"EOF" if ($no_shared_warn);
1924 The options 'shared', 'pic' and 'dynamic-engine' aren't supported on this
1925 platform, so we will pretend you gave the option 'no-pic', which also disables
1926 'shared' and 'dynamic-engine'. If you know how to implement shared libraries
1927 or position independent code, please let us know (but please first make sure
1928 you have tried with a current version of OpenSSL).
1933 ######################################################################
1935 # Helpers and utility functions
1938 # Configuration file reading #########################################
1940 # Note: All of the helper functions are for lazy evaluation. They all
1941 # return a CODE ref, which will return the intended value when evaluated.
1942 # Thus, whenever there's mention of a returned value, it's about that
1945 # Helper function to implement conditional inheritance depending on the
1946 # value of $disabled{asm}. Used in inherit_from values as follows:
1948 # inherit_from => [ "template", asm("asm_tmpl") ]
1953 $disabled{asm} ? () : @x;
1957 # Helper function to implement conditional value variants, with a default
1958 # plus additional values based on the value of $config{build_type}.
1959 # Arguments are given in hash table form:
1961 # picker(default => "Basic string: ",
1963 # release => "release")
1965 # When configuring with --debug, the resulting string will be
1966 # "Basic string: debug", and when not, it will be "Basic string: release"
1968 # This can be used to create variants of sets of flags according to the
1971 # cflags => picker(default => "-Wall",
1972 # debug => "-g -O0",
1977 return sub { add($opts{default} || (),
1978 $opts{$config{build_type}} || ())->(); }
1981 # Helper function to combine several values of different types into one.
1982 # This is useful if you want to combine a string with the result of a
1983 # lazy function, such as:
1985 # cflags => combine("-Wall", sub { $disabled{zlib} ? () : "-DZLIB" })
1989 return sub { add(@stuff)->(); }
1992 # Helper function to implement conditional values depending on the value
1993 # of $disabled{threads}. Can be used as follows:
1995 # cflags => combine("-Wall", threads("-pthread"))
1999 return sub { add($disabled{threads} ? () : @flags)->(); }
2004 our $add_called = 0;
2005 # Helper function to implement adding values to already existing configuration
2006 # values. It handles elements that are ARRAYs, CODEs and scalars
2008 my $separator = shift;
2010 # If there's any ARRAY in the collection of values OR the separator
2011 # is undef, we will return an ARRAY of combined values, otherwise a
2012 # string of joined values with $separator as the separator.
2013 my $found_array = !defined($separator);
2018 while (ref($res) eq "CODE") {
2021 if (defined($res)) {
2022 if (ref($res) eq "ARRAY") {
2038 join($separator, grep { defined($_) && $_ ne "" } @values);
2042 my $separator = " ";
2043 if (ref($_[$#_]) eq "HASH") {
2045 $separator = $opts->{separator};
2048 sub { _add($separator, @x, @_) };
2051 my $separator = " ";
2052 if (ref($_[$#_]) eq "HASH") {
2054 $separator = $opts->{separator};
2057 sub { _add($separator, @_, @x) };
2060 # configuration reader, evaluates the input file as a perl script and expects
2061 # it to fill %targets with target configurations. Those are then added to
2065 open(CONFFILE, "< $fname")
2066 or die "Can't open configuration file '$fname'!\n";
2069 my $content = <CONFFILE>;
2074 local %table = %::table; # Protect %table from tampering
2080 # For each target, check that it's configured with a hash table.
2081 foreach (keys %targets) {
2082 if (ref($targets{$_}) ne "HASH") {
2083 if (ref($targets{$_}) eq "") {
2084 warn "Deprecated target configuration for $_, ignoring...\n";
2086 warn "Misconfigured target configuration for $_ (should be a hash table), ignoring...\n";
2088 delete $targets{$_};
2092 %table = (%table, %targets);
2096 # configuration resolver. Will only resolve all the lazy evalutation
2097 # codeblocks for the chozen target and all those it inherits from,
2099 sub resolve_config {
2101 my @breadcrumbs = @_;
2103 # my $extra_checks = defined($ENV{CONFIGURE_EXTRA_CHECKS});
2105 if (grep { $_ eq $target } @breadcrumbs) {
2106 die "inherit_from loop! target backtrace:\n "
2107 ,$target,"\n ",join("\n ", @breadcrumbs),"\n";
2110 if (!defined($table{$target})) {
2111 warn "Warning! target $target doesn't exist!\n";
2114 # Recurse through all inheritances. They will be resolved on the
2115 # fly, so when this operation is done, they will all just be a
2116 # bunch of attributes with string values.
2117 # What we get here, though, are keys with references to lists of
2118 # the combined values of them all. We will deal with lists after
2119 # this stage is done.
2120 my %combined_inheritance = ();
2121 if ($table{$target}->{inherit_from}) {
2123 map { ref($_) eq "CODE" ? $_->() : $_ } @{$table{$target}->{inherit_from}};
2124 foreach (@inherit_from) {
2125 my %inherited_config = resolve_config($_, $target, @breadcrumbs);
2127 # 'template' is a marker that's considered private to
2128 # the config that had it.
2129 delete $inherited_config{template};
2132 if (!$combined_inheritance{$_}) {
2133 $combined_inheritance{$_} = [];
2135 push @{$combined_inheritance{$_}}, $inherited_config{$_};
2136 } keys %inherited_config;
2140 # We won't need inherit_from in this target any more, since we've
2141 # resolved all the inheritances that lead to this
2142 delete $table{$target}->{inherit_from};
2144 # Now is the time to deal with those lists. Here's the place to
2145 # decide what shall be done with those lists, all based on the
2146 # values of the target we're currently dealing with.
2147 # - If a value is a coderef, it will be executed with the list of
2148 # inherited values as arguments.
2149 # - If the corresponding key doesn't have a value at all or is the
2150 # emoty string, the inherited value list will be run through the
2151 # default combiner (below), and the result becomes this target's
2153 # - Otherwise, this target's value is assumed to be a string that
2154 # will simply override the inherited list of values.
2155 my $default_combiner = add();
2158 map { $_ => 1 } (keys %combined_inheritance,
2159 keys %{$table{$target}});
2161 sub process_values {
2163 my $inherited = shift; # Always a [ list ]
2169 while(ref($object) eq "CODE") {
2170 $object = $object->(@$inherited);
2172 if (!defined($object)) {
2175 elsif (ref($object) eq "ARRAY") {
2176 local $add_called; # To make sure recursive calls don't affect it
2177 return [ map { process_values($_, $inherited, $target, $entry) }
2179 } elsif (ref($object) eq "") {
2182 die "cannot handle reference type ",ref($object)
2183 ," found in target ",$target," -> ",$entry,"\n";
2187 foreach (sort keys %all_keys) {
2188 my $previous = $combined_inheritance{$_};
2190 # Current target doesn't have a value for the current key?
2191 # Assign it the default combiner, the rest of this loop body
2192 # will handle it just like any other coderef.
2193 if (!exists $table{$target}->{$_}) {
2194 $table{$target}->{$_} = $default_combiner;
2197 $table{$target}->{$_} = process_values($table{$target}->{$_},
2198 $combined_inheritance{$_},
2200 unless(defined($table{$target}->{$_})) {
2201 delete $table{$target}->{$_};
2203 # if ($extra_checks &&
2204 # $previous && !($add_called || $previous ~~ $table{$target}->{$_})) {
2205 # warn "$_ got replaced in $target\n";
2209 # Finally done, return the result.
2210 return %{$table{$target}};
2215 print STDERR $usage;
2216 print STDERR "\npick os/compiler from:\n";
2220 foreach $i (sort keys %table)
2222 next if $table{$i}->{template};
2223 next if $i =~ /^debug/;
2224 $k += length($i) + 1;
2230 print STDERR $i . " ";
2232 foreach $i (sort keys %table)
2234 next if $table{$i}->{template};
2235 next if $i !~ /^debug/;
2236 $k += length($i) + 1;
2242 print STDERR $i . " ";
2244 print STDERR "\n\nNOTE: If in doubt, on Unix-ish systems use './config'.\n";
2253 unlink $out || warn "Can't remove $out, $!"
2255 foreach (@templates) {
2256 die "Can't open $_, $!" unless -f $_;
2258 my $cmd = "$config{perl} \"-I.\" \"-Mconfigdata\" $dofile -o\"Configure\" \"".join("\" \"",@templates)."\" > \"$out.new\"";
2259 #print STDERR "DEBUG[run_dofile]: \$cmd = $cmd\n";
2262 rename("$out.new", $out) || die "Can't rename $out.new, $!";
2265 # Configuration printer ##############################################
2267 sub print_table_entry
2270 my %target = resolve_config($target);
2273 # Don't print the templates
2274 return if $target{template};
2311 "shared_extension_simple",
2312 "shared_import_extension",
2323 if ($type eq "TABLE") {
2325 print "*** $target\n";
2326 foreach (@sequence) {
2327 if (ref($target{$_}) eq "ARRAY") {
2328 printf "\$%-12s = %s\n", $_, join(" ", @{$target{$_}});
2330 printf "\$%-12s = %s\n", $_, $target{$_};
2333 } elsif ($type eq "HASH") {
2335 length((sort { length($a) <=> length($b) } @sequence)[-1]);
2336 print " '$target' => {\n";
2337 foreach (@sequence) {
2339 if (ref($target{$_}) eq "ARRAY") {
2340 print " '",$_,"'"," " x ($largest - length($_))," => [ ",join(", ", map { "'$_'" } @{$target{$_}})," ],\n";
2342 print " '",$_,"'"," " x ($largest - length($_))," => '",$target{$_},"',\n";
2350 # Utility routines ###################################################
2352 # On VMS, if the given file is a logical name, File::Spec::Functions
2353 # will consider it an absolute path. There are cases when we want a
2354 # purely syntactic check without checking the environment.
2358 # On non-platforms, we just use file_name_is_absolute().
2359 return file_name_is_absolute($file) unless $^O eq "VMS";
2361 # If the file spec includes a device or a directpry spec,
2362 # file_name_is_absolute() is perfectly safe.
2363 return file_name_is_absolute($file) if $file =~ m|[:\[]|;
2365 # Here, we know the given file spec isn't absolute
2369 # Makes a directory absolute and cleans out /../ in paths like foo/../bar
2370 # On some platforms, this uses rel2abs(), while on others, realpath() is used.
2371 # realpath() requires that at least all path components except the last is an
2372 # existing directory. On VMS, the last component of the directory spec must
2377 # realpath() is quite buggy on VMS. It uses LIB$FID_TO_NAME, which
2378 # will return the volume name for the device, no matter what. Also,
2379 # it will return an incorrect directory spec if the argument is a
2380 # directory that doesn't exist.
2382 return rel2abs($dir);
2385 # We use realpath() on Unix, since no other will properly clean out
2387 use Cwd qw/realpath/;
2389 return realpath($dir);
2396 foreach $path (split /:/, $ENV{PATH})
2398 my $fullpath = "$path/$name$target{exe_extension}";
2399 if (-f $fullpath and -x $fullpath)
2402 unless ($name eq "perl" and
2403 system("$fullpath -e " . '\'exit($]<5.0);\''));
2410 perl => sub { my $x = shift;
2411 $x =~ s/([\\\$\@"])/\\$1/g;
2412 return '"'.$x.'"'; },
2416 defined($processors{$for}) ? $processors{$for} : sub { shift; };
2418 map { $processor->($_); } @_;
2421 # collect_from_file($filename, $line_concat_cond_re, $line_concat)
2422 # $filename is a file name to read from
2423 # $line_concat_cond_re is a regexp detecting a line continuation ending
2424 # $line_concat is a CODEref that takes care of concatenating two lines
2425 sub collect_from_file {
2426 my $filename = shift;
2427 my $line_concat_cond_re = shift;
2428 my $line_concat = shift;
2430 open my $fh, $filename || die "unable to read $filename: $!\n";
2432 my $saved_line = "";
2436 if (defined $line_concat) {
2437 $_ = $line_concat->($saved_line, $_);
2440 if (defined $line_concat_cond_re && /$line_concat_cond_re/) {
2446 die "$filename ending with continuation line\n" if $_;
2452 # collect_from_array($array, $line_concat_cond_re, $line_concat)
2453 # $array is an ARRAYref of lines
2454 # $line_concat_cond_re is a regexp detecting a line continuation ending
2455 # $line_concat is a CODEref that takes care of concatenating two lines
2456 sub collect_from_array {
2458 my $line_concat_cond_re = shift;
2459 my $line_concat = shift;
2460 my @array = (@$array);
2463 my $saved_line = "";
2465 while (defined($_ = shift @array)) {
2467 if (defined $line_concat) {
2468 $_ = $line_concat->($saved_line, $_);
2471 if (defined $line_concat_cond_re && /$line_concat_cond_re/) {
2477 die "input text ending with continuation line\n" if $_;
2482 # collect_information($lineiterator, $line_continue, $regexp => $CODEref, ...)
2483 # $lineiterator is a CODEref that delivers one line at a time.
2484 # All following arguments are regex/CODEref pairs, where the regexp detects a
2485 # line and the CODEref does something with the result of the regexp.
2486 sub collect_information {
2487 my $lineiterator = shift;
2488 my %collectors = @_;
2490 while(defined($_ = $lineiterator->())) {
2493 if ($collectors{"BEFORE"}) {
2494 $collectors{"BEFORE"}->($_);
2496 foreach my $re (keys %collectors) {
2497 if ($re !~ /^OTHERWISE|BEFORE|AFTER$/ && /$re/) {
2498 $collectors{$re}->($lineiterator);
2502 if ($collectors{"OTHERWISE"}) {
2503 $collectors{"OTHERWISE"}->($lineiterator, $_)
2504 unless $found || !defined $collectors{"OTHERWISE"};
2506 if ($collectors{"AFTER"}) {
2507 $collectors{"AFTER"}->($_);