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 if ($target =~ /^mingw/ && `$target{cc} --target-help 2>&1` =~ m/-mno-cygwin/m)
917 $config{cflags} .= " -mno-cygwin";
918 $config{shared_ldflag} .= " -mno-cygwin";
921 if ($target =~ /linux.*-mips/ && !$disabled{asm} && $user_cflags !~ /-m(ips|arch=)/) {
922 # minimally required architecture flags for assembly modules
923 $config{cflags}="-mips2 $config{cflags}" if ($target =~ /mips32/);
924 $config{cflags}="-mips3 $config{cflags}" if ($target =~ /mips64/);
927 my $no_shared_warn=0;
928 my $no_user_cflags=0;
929 my $no_user_defines=0;
931 # The DSO code currently always implements all functions so that no
932 # applications will have to worry about that from a compilation point
933 # of view. However, the "method"s may return zero unless that platform
934 # has support compiled in for them. Currently each method is enabled
935 # by a define "DSO_<name>" ... we translate the "dso_scheme" config
936 # string entry into using the following logic;
937 if (!$disabled{dso} && $target{dso_scheme} ne "")
939 $target{dso_scheme} =~ tr/[a-z]/[A-Z]/;
940 if ($target{dso_scheme} eq "DLFCN")
942 unshift @{$config{defines}}, "DSO_DLFCN", "HAVE_DLFCN_H";
944 elsif ($target{dso_scheme} eq "DLFCN_NO_H")
946 unshift @{$config{defines}}, "DSO_DLFCN";
950 unshift @{$config{defines}}, "DSO_$target{dso_scheme}";
954 $config{ex_libs}="$libs$config{ex_libs}" if ($libs ne "");
960 @{$config{defines}} = grep !/^[BL]_ENDIAN$/, @{$config{defines}};
961 @{$target{defines}} = grep !/^[BL]_ENDIAN$/, @{$target{defines}};
965 # If threads aren't disabled, check how possible they are
966 unless ($disabled{threads}) {
968 # Enabled by default, disable it forcibly if unavailable
969 if ($target{thread_scheme} eq "(unknown)") {
970 $disabled{threads} = "unavailable";
973 # The user chose to enable threads explicitely, let's see
974 # if there's a chance that's possible
975 if ($target{thread_scheme} eq "(unknown)") {
976 # If the user asked for "threads" and we don't have internal
977 # knowledge how to do it, [s]he is expected to provide any
978 # system-dependent compiler options that are necessary. We
979 # can't truly check that the given options are correct, but
980 # we expect the user to know what [s]He is doing.
981 if ($no_user_cflags && $no_user_defines) {
982 die "You asked for multi-threading support, but didn't\n"
983 ,"provide any system-specific compiler options\n";
989 # If threads still aren't disabled, add a C macro to ensure the source
990 # code knows about it. Any other flag is taken care of by the configs.
991 unless($disabled{threads}) {
992 foreach (("defines", "openssl_thread_defines")) {
993 push @{$config{$_}}, "OPENSSL_THREADS";
997 # With "deprecated" disable all deprecated features.
998 if (defined($disabled{"deprecated"})) {
999 $config{api} = $maxapi;
1002 if ($target{shared_target} eq "")
1005 if ((!$disabled{shared} || !$disabled{"dynamic-engine"})
1007 $disabled{shared} = "no-shared-target";
1008 $disabled{pic} = $disabled{shared} = $disabled{"dynamic-engine"} =
1012 if ($disabled{"dynamic-engine"}) {
1013 push @{$config{defines}}, "OPENSSL_NO_DYNAMIC_ENGINE";
1014 $config{dynamic_engines} = 0;
1016 push @{$config{defines}}, "OPENSSL_NO_STATIC_ENGINE";
1017 $config{dynamic_engines} = 1;
1024 # This saves the build files from having to check
1027 $target{shared_cflag} = $target{shared_ldflag} =
1028 $target{shared_rcflag} = "";
1032 push @{$config{defines}}, "OPENSSL_PIC";
1035 if ($target{sys_id} ne "")
1037 push @{$config{openssl_sys_defines}}, "OPENSSL_SYS_$target{sys_id}";
1040 unless ($disabled{asm}) {
1041 $target{cpuid_asm_src}=$table{DEFAULTS}->{cpuid_asm_src} if ($config{processor} eq "386");
1042 $target{bn_asm_src} =~ s/\w+-gf2m.c// if (defined($disabled{ec2m}));
1044 # bn-586 is the only one implementing bn_*_part_words
1045 push @{$config{defines}}, "OPENSSL_BN_ASM_PART_WORDS" if ($target{bn_asm_src} =~ /bn-586/);
1046 push @{$config{defines}}, "OPENSSL_IA32_SSE2" if (!$no_sse2 && $target{bn_asm_src} =~ /86/);
1048 push @{$config{defines}}, "OPENSSL_BN_ASM_MONT" if ($target{bn_asm_src} =~ /-mont/);
1049 push @{$config{defines}}, "OPENSSL_BN_ASM_MONT5" if ($target{bn_asm_src} =~ /-mont5/);
1050 push @{$config{defines}}, "OPENSSL_BN_ASM_GF2m" if ($target{bn_asm_src} =~ /-gf2m/);
1052 if ($config{fips}) {
1053 push @{$config{openssl_other_defines}}, "OPENSSL_FIPS";
1056 if ($target{sha1_asm_src}) {
1057 push @{$config{defines}}, "SHA1_ASM" if ($target{sha1_asm_src} =~ /sx86/ || $target{sha1_asm_src} =~ /sha1/);
1058 push @{$config{defines}}, "SHA256_ASM" if ($target{sha1_asm_src} =~ /sha256/);
1059 push @{$config{defines}}, "SHA512_ASM" if ($target{sha1_asm_src} =~ /sha512/);
1061 if ($target{md5_asm_src}) {
1062 push @{$config{defines}}, "MD5_ASM";
1064 $target{cast_asm_src}=$table{DEFAULTS}->{cast_asm_src} unless $disabled{pic}; # CAST assembler is not PIC
1065 if ($target{rmd160_asm_src}) {
1066 push @{$config{defines}}, "RMD160_ASM";
1068 if ($target{aes_asm_src}) {
1069 push @{$config{defines}}, "AES_ASM" if ($target{aes_asm_src} =~ m/\baes-/);;
1070 # aes-ctr.fake is not a real file, only indication that assembler
1071 # module implements AES_ctr32_encrypt...
1072 push @{$config{defines}}, "AES_CTR_ASM" if ($target{aes_asm_src} =~ s/\s*aes-ctr\.fake//);
1073 # aes-xts.fake indicates presence of AES_xts_[en|de]crypt...
1074 push @{$config{defines}}, "AES_XTS_ASM" if ($target{aes_asm_src} =~ s/\s*aes-xts\.fake//);
1075 $target{aes_asm_src} =~ s/\s*(vpaes|aesni)-x86\.s//g if ($no_sse2);
1076 push @{$config{defines}}, "VPAES_ASM" if ($target{aes_asm_src} =~ m/vpaes/);
1077 push @{$config{defines}}, "BSAES_ASM" if ($target{aes_asm_src} =~ m/bsaes/);
1079 if ($target{wp_asm_src} =~ /mmx/) {
1080 if ($config{processor} eq "386") {
1081 $target{wp_asm_src}=$table{DEFAULTS}->{wp_asm_src};
1082 } elsif (!$disabled{"whirlpool"}) {
1083 push @{$config{defines}}, "WHIRLPOOL_ASM";
1086 if ($target{modes_asm_src} =~ /ghash-/) {
1087 push @{$config{defines}}, "GHASH_ASM";
1089 if ($target{ec_asm_src} =~ /ecp_nistz256/) {
1090 push @{$config{defines}}, "ECP_NISTZ256_ASM";
1092 if ($target{poly1305_asm_src} ne "") {
1093 push @{$config{defines}}, "POLY1305_ASM";
1097 my $ecc = $target{cc};
1098 if ($^O ne "VMS" && !$disabled{makedepend}) {
1099 # Is the compiler gcc or clang? $ecc is used below to see if
1100 # error-checking can be turned on.
1101 my $ccpcc = "$config{cross_compile_prefix}$target{cc}";
1102 open(PIPE, "$ccpcc --version 2>&1 |");
1105 # Find the version number and save the major.
1106 m|(?:.*)\b(\d+)\.\d+\.\d+\b(?:.*)|;
1107 my $compiler_major = $1;
1108 # We know that GNU C version 3 and up as well as all clang
1109 # versions support dependency generation
1110 $config{makedepprog} = $ccpcc
1111 if (/clang/ || (/gcc/ && $compiler_major > 3));
1112 $ecc = "clang" if /clang/;
1113 $ecc = "gcc" if /gcc/;
1114 last if ($config{makedepprog} || !$lines--);
1118 $config{makedepprog} = which('makedepend') unless $config{makedepprog};
1119 $disabled{makedepend} = "unavailable" unless $config{makedepprog};
1124 # Deal with bn_ops ###################################################
1127 $config{export_var_as_fn} =0;
1128 my $def_int="unsigned int";
1129 $config{rc4_int} =$def_int;
1130 ($config{b64l},$config{b64},$config{b32})=(0,0,1);
1133 foreach (sort split(/\s+/,$target{bn_ops})) {
1134 $count++ if /SIXTY_FOUR_BIT|SIXTY_FOUR_BIT_LONG|THIRTY_TWO_BIT/;
1135 $config{export_var_as_fn}=1 if $_ eq 'EXPORT_VAR_AS_FN';
1136 $config{bn_ll}=1 if $_ eq 'BN_LLONG';
1137 $config{rc4_int}="unsigned char" if $_ eq 'RC4_CHAR';
1138 ($config{b64l},$config{b64},$config{b32})
1139 =(0,1,0) if $_ eq 'SIXTY_FOUR_BIT';
1140 ($config{b64l},$config{b64},$config{b32})
1141 =(1,0,0) if $_ eq 'SIXTY_FOUR_BIT_LONG';
1142 ($config{b64l},$config{b64},$config{b32})
1143 =(0,0,1) if $_ eq 'THIRTY_TWO_BIT';
1145 die "Exactly one of SIXTY_FOUR_BIT|SIXTY_FOUR_BIT_LONG|THIRTY_TWO_BIT can be set in bn_ops\n"
1149 # Hack cflags for better warnings (dev option) #######################
1151 # "Stringify" the C flags string. This permits it to be made part of a string
1152 # and works as well on command lines.
1153 $config{cflags} =~ s/([\\\"])/\\$1/g;
1155 if (defined($config{api})) {
1156 $config{openssl_api_defines} = [ "OPENSSL_MIN_API=".$apitable->{$config{api}} ];
1157 my $apiflag = sprintf("OPENSSL_API_COMPAT=%s", $apitable->{$config{api}});
1158 push @{$config{defines}}, $apiflag;
1161 if ($strict_warnings)
1164 die "ERROR --strict-warnings requires gcc or clang"
1165 unless $ecc eq 'gcc' || $ecc eq 'clang';
1166 foreach $wopt (split /\s+/, $gcc_devteam_warn)
1168 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1170 if ($ecc eq "clang")
1172 foreach $wopt (split /\s+/, $clang_devteam_warn)
1174 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1179 unless ($disabled{"crypto-mdebug-backtrace"})
1181 foreach my $wopt (split /\s+/, $memleak_devteam_backtrace)
1183 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1185 if ($target =~ /^BSD-/)
1187 $config{ex_libs} .= " -lexecinfo";
1191 if ($user_cflags ne "") { $config{cflags}="$config{cflags}$user_cflags"; }
1192 else { $no_user_cflags=1; }
1193 if (@user_defines) { $config{defines}=[ @{$config{defines}}, @user_defines ]; }
1194 else { $no_user_defines=1; }
1196 # ALL MODIFICATIONS TO %config and %target MUST BE DONE FROM HERE ON
1198 unless ($disabled{afalgeng}) {
1199 $config{afalgeng}="";
1200 if ($target =~ m/^linux/) {
1201 my $minver = 4*10000 + 1*100 + 0;
1202 if ($config{cross_compile_prefix} eq "") {
1203 my $verstr = `uname -r`;
1204 my ($ma, $mi1, $mi2) = split("\\.", $verstr);
1205 ($mi2) = $mi2 =~ /(\d+)/;
1206 my $ver = $ma*10000 + $mi1*100 + $mi2;
1207 if ($ver < $minver) {
1208 $disabled{afalgeng} = "too-old-kernel";
1210 push @{$config{engdirs}}, "afalg";
1213 $disabled{afalgeng} = "cross-compiling";
1216 $disabled{afalgeng} = "not-linux";
1220 push @{$config{openssl_other_defines}}, "OPENSSL_NO_AFALGENG" if ($disabled{afalgeng});
1222 # If we use the unified build, collect information from build.info files
1223 my %unified_info = ();
1225 my $buildinfo_debug = defined($ENV{CONFIGURE_DEBUG_BUILDINFO});
1226 if ($builder eq "unified") {
1227 # Store the name of the template file we will build the build file from
1228 # in %config. This may be useful for the build file itself.
1229 my $build_file_template =
1230 catfile($srcdir, "Configurations",
1231 $builder_platform."-".$target{build_file}.".tmpl");
1232 $build_file_template =
1233 catfile($srcdir, "Configurations", $target{build_file}.".tmpl")
1234 if (! -f $build_file_template);
1235 $config{build_file_template} = $build_file_template;
1237 use lib catdir(dirname(__FILE__),"util");
1238 use with_fallback qw(Text::Template);
1243 my $relativeto = shift || ".";
1245 $dir = catdir($base,$dir) unless isabsolute($dir);
1247 # Make sure the directories we're building in exists
1250 my $res = abs2rel(absolutedir($dir), rel2abs($relativeto));
1251 #print STDERR "DEBUG[cleandir]: $dir , $base => $res\n";
1258 my $relativeto = shift || ".";
1260 $file = catfile($base,$file) unless isabsolute($file);
1262 my $d = dirname($file);
1263 my $f = basename($file);
1265 # Make sure the directories we're building in exists
1268 my $res = abs2rel(catfile(absolutedir($d), $f), rel2abs($relativeto));
1269 #print STDERR "DEBUG[cleanfile]: $d , $f => $res\n";
1273 my @build_infos = ( [ ".", "build.info" ] );
1274 foreach (@{$config{dirs}}) {
1275 push @build_infos, [ $_, "build.info" ]
1276 if (-f catfile($srcdir, $_, "build.info"));
1278 foreach (@{$config{sdirs}}) {
1279 push @build_infos, [ catdir("crypto", $_), "build.info" ]
1280 if (-f catfile($srcdir, "crypto", $_, "build.info"));
1282 foreach (@{$config{engdirs}}) {
1283 push @build_infos, [ catdir("engines", $_), "build.info" ]
1284 if (-f catfile($srcdir, "engines", $_, "build.info"));
1287 $config{build_infos} = [ ];
1289 foreach (@build_infos) {
1290 my $sourced = catdir($srcdir, $_->[0]);
1291 my $buildd = catdir($blddir, $_->[0]);
1296 # The basic things we're trying to build
1303 my @intermediates = ();
1308 my %shared_sources = ();
1312 my %sharednames = ();
1315 push @{$config{build_infos}}, catfile(abs2rel($sourced, $blddir), $f);
1316 my $template = Text::Template->new(TYPE => 'FILE',
1317 SOURCE => catfile($sourced, $f));
1318 die "Something went wrong with $sourced/$f: $!\n" unless $template;
1321 $template->fill_in(HASH => { config => \%config,
1323 disabled => \%disabled,
1324 builddir => abs2rel($buildd, $blddir),
1325 sourcedir => abs2rel($sourced, $blddir),
1326 buildtop => abs2rel($blddir, $blddir),
1327 sourcetop => abs2rel($srcdir, $blddir) },
1328 DELIMITERS => [ "{-", "-}" ]);
1330 # The top item of this stack has the following values
1331 # -2 positive already run and we found ELSE (following ELSIF should fail)
1332 # -1 positive already run (skip until ENDIF)
1333 # 0 negatives so far (if we're at a condition, check it)
1334 # 1 last was positive (don't skip lines until next ELSE, ELSIF or ENDIF)
1335 # 2 positive ELSE (following ELSIF should fail)
1337 collect_information(
1338 collect_from_array([ @text ],
1339 qr/\\$/ => sub { my $l1 = shift; my $l2 = shift;
1340 $l1 =~ s/\\$//; $l1.$l2 }),
1341 # Info we're looking for
1342 qr/^\s*IF\[((?:\\.|[^\\\]])*)\]\s*$/
1344 if (! @skip || $skip[$#skip] > 0) {
1350 qr/^\s*ELSIF\[((?:\\.|[^\\\]])*)\]\s*$/
1351 => sub { die "ELSIF out of scope" if ! @skip;
1352 die "ELSIF following ELSE" if abs($skip[$#skip]) == 2;
1353 $skip[$#skip] = -1 if $skip[$#skip] != 0;
1354 $skip[$#skip] = !! $1
1355 if $skip[$#skip] == 0; },
1357 => sub { die "ELSE out of scope" if ! @skip;
1358 $skip[$#skip] = -2 if $skip[$#skip] != 0;
1359 $skip[$#skip] = 2 if $skip[$#skip] == 0; },
1361 => sub { die "ENDIF out of scope" if ! @skip;
1363 qr/^\s*PROGRAMS\s*=\s*(.*)\s*$/
1364 => sub { push @programs, split(/\s+/, $1)
1365 if !@skip || $skip[$#skip] > 0 },
1366 qr/^\s*LIBS\s*=\s*(.*)\s*$/
1367 => sub { push @libraries, split(/\s+/, $1)
1368 if !@skip || $skip[$#skip] > 0 },
1369 qr/^\s*ENGINES\s*=\s*(.*)\s*$/
1370 => sub { push @engines, split(/\s+/, $1)
1371 if !@skip || $skip[$#skip] > 0 },
1372 qr/^\s*SCRIPTS\s*=\s*(.*)\s*$/
1373 => sub { push @scripts, split(/\s+/, $1)
1374 if !@skip || $skip[$#skip] > 0 },
1375 qr/^\s*EXTRA\s*=\s*(.*)\s*$/
1376 => sub { push @extra, split(/\s+/, $1)
1377 if !@skip || $skip[$#skip] > 0 },
1378 qr/^\s*OVERRIDES\s*=\s*(.*)\s*$/
1379 => sub { push @overrides, split(/\s+/, $1)
1380 if !@skip || $skip[$#skip] > 0 },
1382 qr/^\s*ORDINALS\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/,
1383 => sub { push @{$ordinals{$1}}, split(/\s+/, $2)
1384 if !@skip || $skip[$#skip] > 0 },
1385 qr/^\s*SOURCE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1386 => sub { push @{$sources{$1}}, split(/\s+/, $2)
1387 if !@skip || $skip[$#skip] > 0 },
1388 qr/^\s*SHARED_SOURCE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1389 => sub { push @{$shared_sources{$1}}, split(/\s+/, $2)
1390 if !@skip || $skip[$#skip] > 0 },
1391 qr/^\s*INCLUDE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1392 => sub { push @{$includes{$1}}, split(/\s+/, $2)
1393 if !@skip || $skip[$#skip] > 0 },
1394 qr/^\s*DEPEND\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1395 => sub { push @{$depends{$1}}, split(/\s+/, $2)
1396 if !@skip || $skip[$#skip] > 0 },
1397 qr/^\s*GENERATE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1398 => sub { push @{$generate{$1}}, $2
1399 if !@skip || $skip[$#skip] > 0 },
1400 qr/^\s*RENAME\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1401 => sub { push @{$renames{$1}}, split(/\s+/, $2)
1402 if !@skip || $skip[$#skip] > 0 },
1403 qr/^\s*SHARED_NAME\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1404 => sub { push @{$sharednames{$1}}, split(/\s+/, $2)
1405 if !@skip || $skip[$#skip] > 0 },
1406 qr/^\s*BEGINRAW\[((?:\\.|[^\\\]])+)\]\s*$/
1408 my $lineiterator = shift;
1409 my $target_kind = $1;
1410 while (defined $lineiterator->()) {
1412 if (/^\s*ENDRAW\[((?:\\.|[^\\\]])+)\]\s*$/) {
1413 die "ENDRAW doesn't match BEGINRAW"
1414 if $1 ne $target_kind;
1417 next if @skip && $skip[$#skip] <= 0;
1419 if ($target_kind eq $target{build_file}
1420 || $target_kind eq $target{build_file}."(".$builder_platform.")");
1423 qr/^(?:#.*|\s*)$/ => sub { },
1424 "OTHERWISE" => sub { die "Something wrong with this line:\n$_\nat $sourced/$f" },
1426 if ($buildinfo_debug) {
1427 print STDERR "DEBUG: Parsing ",join(" ", @_),"\n";
1428 print STDERR "DEBUG: ... before parsing, skip stack is ",join(" ", map { int($_) } @skip),"\n";
1432 if ($buildinfo_debug) {
1433 print STDERR "DEBUG: .... after parsing, skip stack is ",join(" ", map { int($_) } @skip),"\n";
1437 die "runaway IF?" if (@skip);
1439 foreach (keys %renames) {
1440 die "$_ renamed to more than one thing: "
1441 ,join(" ", @{$renames{$_}}),"\n"
1442 if scalar @{$renames{$_}} > 1;
1443 my $dest = cleanfile($buildd, $_, $blddir);
1444 my $to = cleanfile($buildd, $renames{$_}->[0], $blddir);
1445 die "$dest renamed to more than one thing: "
1446 ,$unified_info{rename}->{$dest}, $to
1447 unless !defined($unified_info{rename}->{$dest})
1448 or $unified_info{rename}->{$dest} eq $to;
1449 $unified_info{rename}->{$dest} = $to;
1452 foreach (@programs) {
1453 my $program = cleanfile($buildd, $_, $blddir);
1454 if ($unified_info{rename}->{$program}) {
1455 $program = $unified_info{rename}->{$program};
1457 $unified_info{programs}->{$program} = 1;
1460 foreach (@libraries) {
1461 my $library = cleanfile($buildd, $_, $blddir);
1462 if ($unified_info{rename}->{$library}) {
1463 $library = $unified_info{rename}->{$library};
1465 $unified_info{libraries}->{$library} = 1;
1468 die <<"EOF" if scalar @engines and !$config{dynamic_engines};
1469 ENGINES can only be used if configured with 'dynamic-engine'.
1470 This is usually a fault in a build.info file.
1472 foreach (@engines) {
1473 my $library = cleanfile($buildd, $_, $blddir);
1474 if ($unified_info{rename}->{$library}) {
1475 $library = $unified_info{rename}->{$library};
1477 $unified_info{engines}->{$library} = 1;
1480 foreach (@scripts) {
1481 my $script = cleanfile($buildd, $_, $blddir);
1482 if ($unified_info{rename}->{$script}) {
1483 $script = $unified_info{rename}->{$script};
1485 $unified_info{scripts}->{$script} = 1;
1489 my $extra = cleanfile($buildd, $_, $blddir);
1490 $unified_info{extra}->{$extra} = 1;
1493 foreach (@overrides) {
1494 my $override = cleanfile($buildd, $_, $blddir);
1495 $unified_info{overrides}->{$override} = 1;
1498 push @{$unified_info{rawlines}}, @rawlines;
1500 unless ($disabled{shared}) {
1501 # Check sharednames.
1502 foreach (keys %sharednames) {
1503 my $dest = cleanfile($buildd, $_, $blddir);
1504 if ($unified_info{rename}->{$dest}) {
1505 $dest = $unified_info{rename}->{$dest};
1507 die "shared_name for $dest with multiple values: "
1508 ,join(" ", @{$sharednames{$_}}),"\n"
1509 if scalar @{$sharednames{$_}} > 1;
1510 my $to = cleanfile($buildd, $sharednames{$_}->[0], $blddir);
1511 die "shared_name found for a library $dest that isn't defined\n"
1512 unless $unified_info{libraries}->{$dest};
1513 die "shared_name for $dest with multiple values: "
1514 ,$unified_info{sharednames}->{$dest}, ", ", $to
1515 unless !defined($unified_info{sharednames}->{$dest})
1516 or $unified_info{sharednames}->{$dest} eq $to;
1517 $unified_info{sharednames}->{$dest} = $to;
1520 # Additionally, we set up sharednames for libraries that don't
1521 # have any, as themselves.
1522 foreach (keys %{$unified_info{libraries}}) {
1523 if (!defined $unified_info{sharednames}->{$_}) {
1524 $unified_info{sharednames}->{$_} = $_
1529 foreach (keys %ordinals) {
1531 my $ddest = cleanfile($buildd, $_, $blddir);
1532 if ($unified_info{rename}->{$ddest}) {
1533 $ddest = $unified_info{rename}->{$ddest};
1535 foreach (@{$ordinals{$dest}}) {
1536 my %known_ordinals =
1539 cleanfile($sourced, catfile("util", "libcrypto.num"), $blddir),
1541 cleanfile($sourced, catfile("util", "libssl.num"), $blddir)
1543 my $o = $known_ordinals{$_};
1544 die "Ordinals for $ddest defined more than once\n"
1545 if $unified_info{ordinals}->{$ddest};
1546 $unified_info{ordinals}->{$ddest} = [ $_, $o ];
1550 foreach (keys %sources) {
1552 my $ddest = cleanfile($buildd, $_, $blddir);
1553 if ($unified_info{rename}->{$ddest}) {
1554 $ddest = $unified_info{rename}->{$ddest};
1556 foreach (@{$sources{$dest}}) {
1557 my $s = cleanfile($sourced, $_, $blddir);
1559 # If it isn't in the source tree, we assume it's generated
1562 $s = cleanfile($buildd, $_, $blddir);
1564 # We recognise C and asm files
1565 if ($s =~ /\.[csS]\b$/) {
1566 (my $o = $_) =~ s/\.[csS]\b$/.o/;
1567 $o = cleanfile($buildd, $o, $blddir);
1568 $unified_info{sources}->{$ddest}->{$o} = 1;
1569 $unified_info{sources}->{$o}->{$s} = 1;
1571 $unified_info{sources}->{$ddest}->{$s} = 1;
1576 foreach (keys %shared_sources) {
1578 my $ddest = cleanfile($buildd, $_, $blddir);
1579 if ($unified_info{rename}->{$ddest}) {
1580 $ddest = $unified_info{rename}->{$ddest};
1582 foreach (@{$shared_sources{$dest}}) {
1583 my $s = cleanfile($sourced, $_, $blddir);
1585 # If it isn't in the source tree, we assume it's generated
1588 $s = cleanfile($buildd, $_, $blddir);
1590 # We recognise C and asm files
1591 if ($s =~ /\.[csS]\b$/) {
1592 (my $o = $_) =~ s/\.[csS]\b$/.o/;
1593 $o = cleanfile($buildd, $o, $blddir);
1594 $unified_info{shared_sources}->{$ddest}->{$o} = 1;
1595 $unified_info{sources}->{$o}->{$s} = 1;
1597 die "unrecognised source file type for shared library: $s\n";
1602 foreach (keys %generate) {
1604 my $ddest = cleanfile($buildd, $_, $blddir);
1605 if ($unified_info{rename}->{$ddest}) {
1606 $ddest = $unified_info{rename}->{$ddest};
1608 die "more than one generator for $dest: "
1609 ,join(" ", @{$generate{$_}}),"\n"
1610 if scalar @{$generate{$_}} > 1;
1611 my @generator = split /\s+/, $generate{$dest}->[0];
1612 $generator[0] = cleanfile($sourced, $generator[0], $blddir),
1613 $unified_info{generate}->{$ddest} = [ @generator ];
1616 foreach (keys %depends) {
1618 my $ddest = cleanfile($buildd, $_, $blddir);
1619 if ($unified_info{rename}->{$ddest}) {
1620 $ddest = $unified_info{rename}->{$ddest};
1622 foreach (@{$depends{$dest}}) {
1623 my $d = cleanfile($sourced, $_, $blddir);
1625 # If we know it's generated, or assume it is because we can't
1626 # find it in the source tree, we set file we depend on to be
1627 # in the build tree rather than the source tree, and assume
1628 # and that there are lines to build it in a BEGINRAW..ENDRAW
1629 # section or in the Makefile template.
1631 || (grep { $d eq $_ }
1632 map { cleanfile($srcdir, $_, $blddir) }
1633 (@generated_headers, @generated_by_make_headers))) {
1634 $d = cleanfile($buildd, $_, $blddir);
1636 # Take note if the file to depend on is being renamed
1637 if ($unified_info{rename}->{$d}) {
1638 $d = $unified_info{rename}->{$d};
1640 $unified_info{depends}->{$ddest}->{$d} = 1;
1641 # If we depend on a header file, let's make sure it
1644 my $i = dirname($d);
1645 push @{$unified_info{includes}->{$ddest}}, $i
1646 unless grep { $_ eq $i } @{$unified_info{includes}->{$ddest}};
1651 foreach (keys %includes) {
1653 my $ddest = cleanfile($buildd, $_, $blddir);
1654 if ($unified_info{rename}->{$ddest}) {
1655 $ddest = $unified_info{rename}->{$ddest};
1657 foreach (@{$includes{$dest}}) {
1658 my $i = cleandir($sourced, $_, $blddir);
1659 push @{$unified_info{includes}->{$ddest}}, $i
1660 unless grep { $_ eq $i } @{$unified_info{includes}->{$ddest}};
1665 ### Make unified_info a bit more efficient
1666 # One level structures
1667 foreach (("programs", "libraries", "engines", "scripts", "extra", "overrides")) {
1668 $unified_info{$_} = [ sort keys %{$unified_info{$_}} ];
1670 # Two level structures
1671 foreach my $l1 (("sources", "shared_sources", "ldadd", "depends")) {
1672 foreach my $l2 (sort keys %{$unified_info{$l1}}) {
1673 $unified_info{$l1}->{$l2} =
1674 [ sort keys %{$unified_info{$l1}->{$l2}} ];
1679 # For the schemes that need it, we provide the old *_obj configs
1680 # from the *_asm_obj ones
1681 foreach (grep /_(asm|aux)_src$/, keys %target) {
1683 (my $obj = $_) =~ s/_(asm|aux)_src$/_obj/;
1684 ($target{$obj} = $target{$src}) =~ s/\.[csS]\b/.o/g;
1687 # Write down our configuration where it fits #########################
1689 open(OUT,">configdata.pm") || die "unable to create configdata.pm: $!\n";
1697 #use vars qw(\@ISA \@EXPORT);
1698 our \@ISA = qw(Exporter);
1699 our \@EXPORT = qw(\%config \%target \%disabled \%withargs \%unified_info \@disablables);
1702 print OUT "our %config = (\n";
1703 foreach (sort keys %config) {
1704 if (ref($config{$_}) eq "ARRAY") {
1705 print OUT " ", $_, " => [ ", join(", ",
1706 map { quotify("perl", $_) }
1707 @{$config{$_}}), " ],\n";
1709 print OUT " ", $_, " => ", quotify("perl", $config{$_}), ",\n"
1716 print OUT "our %target = (\n";
1717 foreach (sort keys %target) {
1718 if (ref($target{$_}) eq "ARRAY") {
1719 print OUT " ", $_, " => [ ", join(", ",
1720 map { quotify("perl", $_) }
1721 @{$target{$_}}), " ],\n";
1723 print OUT " ", $_, " => ", quotify("perl", $target{$_}), ",\n"
1730 print OUT "our \%available_protocols = (\n";
1731 print OUT " tls => [ ", join(", ", map { quotify("perl", $_) } @tls), " ],\n";
1732 print OUT " dtls => [ ", join(", ", map { quotify("perl", $_) } @dtls), " ],\n";
1737 print OUT "our \@disablables = (\n";
1738 foreach (@disablables) {
1739 print OUT " ", quotify("perl", $_), ",\n";
1745 print OUT "our \%disabled = (\n";
1746 foreach (sort keys %disabled) {
1747 print OUT " ", quotify("perl", $_), " => ", quotify("perl", $disabled{$_}), ",\n";
1753 print OUT "our %withargs = (\n";
1754 foreach (sort keys %withargs) {
1755 if (ref($withargs{$_}) eq "ARRAY") {
1756 print OUT " ", $_, " => [ ", join(", ",
1757 map { quotify("perl", $_) }
1758 @{$withargs{$_}}), " ],\n";
1760 print OUT " ", $_, " => ", quotify("perl", $withargs{$_}), ",\n"
1767 if ($builder eq "unified") {
1772 if (ref $_ eq "ARRAY") {
1773 print OUT " "x$indent, "[\n";
1775 $recurse->($indent + 4, $_);
1777 print OUT " "x$indent, "],\n";
1778 } elsif (ref $_ eq "HASH") {
1780 print OUT " "x$indent, "{\n";
1781 foreach (sort keys %h) {
1782 if (ref $h{$_} eq "") {
1783 print OUT " "x($indent + 4), quotify("perl", $_), " => ", quotify("perl", $h{$_}), ",\n";
1785 print OUT " "x($indent + 4), quotify("perl", $_), " =>\n";
1786 $recurse->($indent + 8, $h{$_});
1789 print OUT " "x$indent, "},\n";
1791 print OUT " "x$indent, quotify("perl", $_), ",\n";
1795 print OUT "our %unified_info = (\n";
1796 foreach (sort keys %unified_info) {
1797 if (ref $unified_info{$_} eq "") {
1798 print OUT " "x4, quotify("perl", $_), " => ", quotify("perl", $unified_info{$_}), ",\n";
1800 print OUT " "x4, quotify("perl", $_), " =>\n";
1801 $recurse->(8, $unified_info{$_});
1813 print "CC =$target{cc}\n";
1814 print "CFLAG =$target{cflags} $config{cflags}\n";
1815 print "SHARED_CFLAG =$target{shared_cflag}\n";
1816 print "DEFINES =",join(" ", @{$target{defines}}, @{$config{defines}}),"\n";
1817 print "LFLAG =$target{lflags}\n";
1818 print "PLIB_LFLAG =$target{plib_lflags}\n";
1819 print "EX_LIBS =$target{ex_libs} $config{ex_libs}\n";
1820 print "APPS_OBJ =$target{apps_obj}\n";
1821 print "CPUID_OBJ =$target{cpuid_obj}\n";
1822 print "UPLINK_OBJ =$target{uplink_obj}\n";
1823 print "BN_ASM =$target{bn_obj}\n";
1824 print "EC_ASM =$target{ec_obj}\n";
1825 print "DES_ENC =$target{des_obj}\n";
1826 print "AES_ENC =$target{aes_obj}\n";
1827 print "BF_ENC =$target{bf_obj}\n";
1828 print "CAST_ENC =$target{cast_obj}\n";
1829 print "RC4_ENC =$target{rc4_obj}\n";
1830 print "RC5_ENC =$target{rc5_obj}\n";
1831 print "MD5_OBJ_ASM =$target{md5_obj}\n";
1832 print "SHA1_OBJ_ASM =$target{sha1_obj}\n";
1833 print "RMD160_OBJ_ASM=$target{rmd160_obj}\n";
1834 print "CMLL_ENC =$target{cmll_obj}\n";
1835 print "MODES_OBJ =$target{modes_obj}\n";
1836 print "PADLOCK_OBJ =$target{padlock_obj}\n";
1837 print "CHACHA_ENC =$target{chacha_obj}\n";
1838 print "POLY1305_OBJ =$target{poly1305_obj}\n";
1839 print "BLAKE2_OBJ =$target{blake2_obj}\n";
1840 print "PROCESSOR =$config{processor}\n";
1841 print "RANLIB =$target{ranlib}\n";
1842 print "ARFLAGS =$target{arflags}\n";
1843 print "PERL =$config{perl}\n";
1845 print "SIXTY_FOUR_BIT_LONG mode\n" if $config{b64l};
1846 print "SIXTY_FOUR_BIT mode\n" if $config{b64};
1847 print "THIRTY_TWO_BIT mode\n" if $config{b32};
1848 print "BN_LLONG mode\n" if $config{bn_ll};
1849 print "RC4 uses $config{rc4_int}\n" if $config{rc4_int} ne $def_int;
1851 for (@generated_headers) {
1852 mkpath(catdir($blddir, dirname($_)));
1853 run_dofile(catfile($blddir, $_),
1854 catfile($srcdir, $_.".in"));
1858 ### When the old "unixmake" scheme goes away, so does this function
1860 sub build_Makefile {
1861 run_dofile("Makefile","Makefile.in");
1863 # Copy all Makefile.in to Makefile (except top-level)
1872 return if ($_ ne "Makefile.in" || $File::Find::dir eq ".");
1873 my $in = IO::File->new($_, "r") or
1874 die sprintf "Error reading Makefile.in in %s: !$\n",
1876 my $out = IO::File->new("Makefile", "w") or
1877 die sprintf "Error writing Makefile in %s: !$\n",
1879 print $out "# Generated from $_, do not edit\n";
1880 while (my $line = <$in>) { print $out $line }
1882 die sprintf "Error reading Makefile.in in %s: !$\n",
1885 die sprintf "Error writing Makefile in %s: !$\n",
1894 run_dofile(catfile($blddir, $target{build_file}),
1895 $config{build_file_template},
1896 catfile($srcdir, "Configurations", "common.tmpl"));
1901 run_dofile("util/domd", "util/domd.in");
1902 chmod 0755, "util/domd";
1906 $builders{$builder}->($builder_platform, @builder_opts);
1910 Configured for $target.
1913 print <<"EOF" if ($disabled{threads} eq "unavailable");
1915 The library could not be configured for supporting multi-threaded
1916 applications as the compiler options required on this system are not known.
1917 See file INSTALL for details if you need multi-threading.
1920 print <<"EOF" if ($no_shared_warn);
1922 The options 'shared', 'pic' and 'dynamic-engine' aren't supported on this
1923 platform, so we will pretend you gave the option 'no-pic', which also disables
1924 'shared' and 'dynamic-engine'. If you know how to implement shared libraries
1925 or position independent code, please let us know (but please first make sure
1926 you have tried with a current version of OpenSSL).
1931 ######################################################################
1933 # Helpers and utility functions
1936 # Configuration file reading #########################################
1938 # Note: All of the helper functions are for lazy evaluation. They all
1939 # return a CODE ref, which will return the intended value when evaluated.
1940 # Thus, whenever there's mention of a returned value, it's about that
1943 # Helper function to implement conditional inheritance depending on the
1944 # value of $disabled{asm}. Used in inherit_from values as follows:
1946 # inherit_from => [ "template", asm("asm_tmpl") ]
1951 $disabled{asm} ? () : @x;
1955 # Helper function to implement conditional value variants, with a default
1956 # plus additional values based on the value of $config{build_type}.
1957 # Arguments are given in hash table form:
1959 # picker(default => "Basic string: ",
1961 # release => "release")
1963 # When configuring with --debug, the resulting string will be
1964 # "Basic string: debug", and when not, it will be "Basic string: release"
1966 # This can be used to create variants of sets of flags according to the
1969 # cflags => picker(default => "-Wall",
1970 # debug => "-g -O0",
1975 return sub { add($opts{default} || (),
1976 $opts{$config{build_type}} || ())->(); }
1979 # Helper function to combine several values of different types into one.
1980 # This is useful if you want to combine a string with the result of a
1981 # lazy function, such as:
1983 # cflags => combine("-Wall", sub { $disabled{zlib} ? () : "-DZLIB" })
1987 return sub { add(@stuff)->(); }
1990 # Helper function to implement conditional values depending on the value
1991 # of $disabled{threads}. Can be used as follows:
1993 # cflags => combine("-Wall", threads("-pthread"))
1997 return sub { add($disabled{threads} ? () : @flags)->(); }
2002 our $add_called = 0;
2003 # Helper function to implement adding values to already existing configuration
2004 # values. It handles elements that are ARRAYs, CODEs and scalars
2006 my $separator = shift;
2008 # If there's any ARRAY in the collection of values OR the separator
2009 # is undef, we will return an ARRAY of combined values, otherwise a
2010 # string of joined values with $separator as the separator.
2011 my $found_array = !defined($separator);
2016 while (ref($res) eq "CODE") {
2019 if (defined($res)) {
2020 if (ref($res) eq "ARRAY") {
2036 join($separator, grep { defined($_) && $_ ne "" } @values);
2040 my $separator = " ";
2041 if (ref($_[$#_]) eq "HASH") {
2043 $separator = $opts->{separator};
2046 sub { _add($separator, @x, @_) };
2049 my $separator = " ";
2050 if (ref($_[$#_]) eq "HASH") {
2052 $separator = $opts->{separator};
2055 sub { _add($separator, @_, @x) };
2058 # configuration reader, evaluates the input file as a perl script and expects
2059 # it to fill %targets with target configurations. Those are then added to
2063 open(CONFFILE, "< $fname")
2064 or die "Can't open configuration file '$fname'!\n";
2067 my $content = <CONFFILE>;
2072 local %table = %::table; # Protect %table from tampering
2078 # For each target, check that it's configured with a hash table.
2079 foreach (keys %targets) {
2080 if (ref($targets{$_}) ne "HASH") {
2081 if (ref($targets{$_}) eq "") {
2082 warn "Deprecated target configuration for $_, ignoring...\n";
2084 warn "Misconfigured target configuration for $_ (should be a hash table), ignoring...\n";
2086 delete $targets{$_};
2090 %table = (%table, %targets);
2094 # configuration resolver. Will only resolve all the lazy evalutation
2095 # codeblocks for the chozen target and all those it inherits from,
2097 sub resolve_config {
2099 my @breadcrumbs = @_;
2101 # my $extra_checks = defined($ENV{CONFIGURE_EXTRA_CHECKS});
2103 if (grep { $_ eq $target } @breadcrumbs) {
2104 die "inherit_from loop! target backtrace:\n "
2105 ,$target,"\n ",join("\n ", @breadcrumbs),"\n";
2108 if (!defined($table{$target})) {
2109 warn "Warning! target $target doesn't exist!\n";
2112 # Recurse through all inheritances. They will be resolved on the
2113 # fly, so when this operation is done, they will all just be a
2114 # bunch of attributes with string values.
2115 # What we get here, though, are keys with references to lists of
2116 # the combined values of them all. We will deal with lists after
2117 # this stage is done.
2118 my %combined_inheritance = ();
2119 if ($table{$target}->{inherit_from}) {
2121 map { ref($_) eq "CODE" ? $_->() : $_ } @{$table{$target}->{inherit_from}};
2122 foreach (@inherit_from) {
2123 my %inherited_config = resolve_config($_, $target, @breadcrumbs);
2125 # 'template' is a marker that's considered private to
2126 # the config that had it.
2127 delete $inherited_config{template};
2130 if (!$combined_inheritance{$_}) {
2131 $combined_inheritance{$_} = [];
2133 push @{$combined_inheritance{$_}}, $inherited_config{$_};
2134 } keys %inherited_config;
2138 # We won't need inherit_from in this target any more, since we've
2139 # resolved all the inheritances that lead to this
2140 delete $table{$target}->{inherit_from};
2142 # Now is the time to deal with those lists. Here's the place to
2143 # decide what shall be done with those lists, all based on the
2144 # values of the target we're currently dealing with.
2145 # - If a value is a coderef, it will be executed with the list of
2146 # inherited values as arguments.
2147 # - If the corresponding key doesn't have a value at all or is the
2148 # emoty string, the inherited value list will be run through the
2149 # default combiner (below), and the result becomes this target's
2151 # - Otherwise, this target's value is assumed to be a string that
2152 # will simply override the inherited list of values.
2153 my $default_combiner = add();
2156 map { $_ => 1 } (keys %combined_inheritance,
2157 keys %{$table{$target}});
2159 sub process_values {
2161 my $inherited = shift; # Always a [ list ]
2167 while(ref($object) eq "CODE") {
2168 $object = $object->(@$inherited);
2170 if (!defined($object)) {
2173 elsif (ref($object) eq "ARRAY") {
2174 local $add_called; # To make sure recursive calls don't affect it
2175 return [ map { process_values($_, $inherited, $target, $entry) }
2177 } elsif (ref($object) eq "") {
2180 die "cannot handle reference type ",ref($object)
2181 ," found in target ",$target," -> ",$entry,"\n";
2185 foreach (sort keys %all_keys) {
2186 my $previous = $combined_inheritance{$_};
2188 # Current target doesn't have a value for the current key?
2189 # Assign it the default combiner, the rest of this loop body
2190 # will handle it just like any other coderef.
2191 if (!exists $table{$target}->{$_}) {
2192 $table{$target}->{$_} = $default_combiner;
2195 $table{$target}->{$_} = process_values($table{$target}->{$_},
2196 $combined_inheritance{$_},
2198 unless(defined($table{$target}->{$_})) {
2199 delete $table{$target}->{$_};
2201 # if ($extra_checks &&
2202 # $previous && !($add_called || $previous ~~ $table{$target}->{$_})) {
2203 # warn "$_ got replaced in $target\n";
2207 # Finally done, return the result.
2208 return %{$table{$target}};
2213 print STDERR $usage;
2214 print STDERR "\npick os/compiler from:\n";
2218 foreach $i (sort keys %table)
2220 next if $table{$i}->{template};
2221 next if $i =~ /^debug/;
2222 $k += length($i) + 1;
2228 print STDERR $i . " ";
2230 foreach $i (sort keys %table)
2232 next if $table{$i}->{template};
2233 next if $i !~ /^debug/;
2234 $k += length($i) + 1;
2240 print STDERR $i . " ";
2242 print STDERR "\n\nNOTE: If in doubt, on Unix-ish systems use './config'.\n";
2251 unlink $out || warn "Can't remove $out, $!"
2253 foreach (@templates) {
2254 die "Can't open $_, $!" unless -f $_;
2256 my $cmd = "$config{perl} \"-I.\" \"-Mconfigdata\" $dofile -o\"Configure\" \"".join("\" \"",@templates)."\" > \"$out.new\"";
2257 #print STDERR "DEBUG[run_dofile]: \$cmd = $cmd\n";
2260 rename("$out.new", $out) || die "Can't rename $out.new, $!";
2263 # Configuration printer ##############################################
2265 sub print_table_entry
2268 my %target = resolve_config($target);
2271 # Don't print the templates
2272 return if $target{template};
2309 "shared_extension_simple",
2310 "shared_import_extension",
2321 if ($type eq "TABLE") {
2323 print "*** $target\n";
2324 foreach (@sequence) {
2325 if (ref($target{$_}) eq "ARRAY") {
2326 printf "\$%-12s = %s\n", $_, join(" ", @{$target{$_}});
2328 printf "\$%-12s = %s\n", $_, $target{$_};
2331 } elsif ($type eq "HASH") {
2333 length((sort { length($a) <=> length($b) } @sequence)[-1]);
2334 print " '$target' => {\n";
2335 foreach (@sequence) {
2337 if (ref($target{$_}) eq "ARRAY") {
2338 print " '",$_,"'"," " x ($largest - length($_))," => [ ",join(", ", map { "'$_'" } @{$target{$_}})," ],\n";
2340 print " '",$_,"'"," " x ($largest - length($_))," => '",$target{$_},"',\n";
2348 # Utility routines ###################################################
2350 # On VMS, if the given file is a logical name, File::Spec::Functions
2351 # will consider it an absolute path. There are cases when we want a
2352 # purely syntactic check without checking the environment.
2356 # On non-platforms, we just use file_name_is_absolute().
2357 return file_name_is_absolute($file) unless $^O eq "VMS";
2359 # If the file spec includes a device or a directpry spec,
2360 # file_name_is_absolute() is perfectly safe.
2361 return file_name_is_absolute($file) if $file =~ m|[:\[]|;
2363 # Here, we know the given file spec isn't absolute
2367 # Makes a directory absolute and cleans out /../ in paths like foo/../bar
2368 # On some platforms, this uses rel2abs(), while on others, realpath() is used.
2369 # realpath() requires that at least all path components except the last is an
2370 # existing directory. On VMS, the last component of the directory spec must
2375 # realpath() is quite buggy on VMS. It uses LIB$FID_TO_NAME, which
2376 # will return the volume name for the device, no matter what. Also,
2377 # it will return an incorrect directory spec if the argument is a
2378 # directory that doesn't exist.
2380 return rel2abs($dir);
2383 # We use realpath() on Unix, since no other will properly clean out
2385 use Cwd qw/realpath/;
2387 return realpath($dir);
2394 foreach $path (split /:/, $ENV{PATH})
2396 my $fullpath = "$path/$name$target{exe_extension}";
2397 if (-f $fullpath and -x $fullpath)
2400 unless ($name eq "perl" and
2401 system("$fullpath -e " . '\'exit($]<5.0);\''));
2408 perl => sub { my $x = shift;
2409 $x =~ s/([\\\$\@"])/\\$1/g;
2410 return '"'.$x.'"'; },
2414 defined($processors{$for}) ? $processors{$for} : sub { shift; };
2416 map { $processor->($_); } @_;
2419 # collect_from_file($filename, $line_concat_cond_re, $line_concat)
2420 # $filename is a file name to read from
2421 # $line_concat_cond_re is a regexp detecting a line continuation ending
2422 # $line_concat is a CODEref that takes care of concatenating two lines
2423 sub collect_from_file {
2424 my $filename = shift;
2425 my $line_concat_cond_re = shift;
2426 my $line_concat = shift;
2428 open my $fh, $filename || die "unable to read $filename: $!\n";
2430 my $saved_line = "";
2434 if (defined $line_concat) {
2435 $_ = $line_concat->($saved_line, $_);
2438 if (defined $line_concat_cond_re && /$line_concat_cond_re/) {
2444 die "$filename ending with continuation line\n" if $_;
2450 # collect_from_array($array, $line_concat_cond_re, $line_concat)
2451 # $array is an ARRAYref of lines
2452 # $line_concat_cond_re is a regexp detecting a line continuation ending
2453 # $line_concat is a CODEref that takes care of concatenating two lines
2454 sub collect_from_array {
2456 my $line_concat_cond_re = shift;
2457 my $line_concat = shift;
2458 my @array = (@$array);
2461 my $saved_line = "";
2463 while (defined($_ = shift @array)) {
2465 if (defined $line_concat) {
2466 $_ = $line_concat->($saved_line, $_);
2469 if (defined $line_concat_cond_re && /$line_concat_cond_re/) {
2475 die "input text ending with continuation line\n" if $_;
2480 # collect_information($lineiterator, $line_continue, $regexp => $CODEref, ...)
2481 # $lineiterator is a CODEref that delivers one line at a time.
2482 # All following arguments are regex/CODEref pairs, where the regexp detects a
2483 # line and the CODEref does something with the result of the regexp.
2484 sub collect_information {
2485 my $lineiterator = shift;
2486 my %collectors = @_;
2488 while(defined($_ = $lineiterator->())) {
2491 if ($collectors{"BEFORE"}) {
2492 $collectors{"BEFORE"}->($_);
2494 foreach my $re (keys %collectors) {
2495 if ($re !~ /^OTHERWISE|BEFORE|AFTER$/ && /$re/) {
2496 $collectors{$re}->($lineiterator);
2500 if ($collectors{"OTHERWISE"}) {
2501 $collectors{"OTHERWISE"}->($lineiterator, $_)
2502 unless $found || !defined $collectors{"OTHERWISE"};
2504 if ($collectors{"AFTER"}) {
2505 $collectors{"AFTER"}->($_);