X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=Configure;h=6f2aee38cae08102ce7a2df7595ba21f387114ab;hp=45b41754836a826757d623e5c5371cbdf2571f9c;hb=7ecdf18d80cba14ad1afa6c0d18574d2ad2929c3;hpb=0282aeb690d63fab73a07191b63300a2fe30d212 diff --git a/Configure b/Configure index 45b4175483..6f2aee38ca 100755 --- a/Configure +++ b/Configure @@ -1,6 +1,6 @@ #! /usr/bin/env perl # -*- mode: perl; -*- -# Copyright 2016 The OpenSSL Project Authors. All Rights Reserved. +# Copyright 2016-2017 The OpenSSL Project Authors. All Rights Reserved. # # Licensed under the OpenSSL license (the "License"). You may not use # this file except in compliance with the License. You can obtain a copy @@ -9,13 +9,15 @@ ## Configure -- OpenSSL source tree configuration script -require 5.10.0; +use 5.10.0; use strict; use Config; +use FindBin; +use lib "$FindBin::Bin/util/perl"; use File::Basename; use File::Spec::Functions qw/:DEFAULT abs2rel rel2abs/; use File::Path qw/mkpath/; -use if $^O ne "VMS", 'File::Glob' => qw/glob/; +use OpenSSL::Glob; # see INSTALL for instructions. @@ -61,8 +63,7 @@ my $usage="Usage: Configure [no- ...] [enable- ...] [-Dxxx] [-lx # library and will be loaded in run-time by the OpenSSL library. # sctp include SCTP support # enable-weak-ssl-ciphers -# Enable weak ciphers that are disabled by default. This currently -# only includes RC4 based ciphers. +# Enable weak ciphers that are disabled by default. # 386 generate 80386 code in assembly modules # no-sse2 disables IA-32 SSE2 code in assembly modules, the above # mentioned '386' option implies this one @@ -103,26 +104,31 @@ my $usage="Usage: Configure [no- ...] [enable- ...] [-Dxxx] [-lx # past these. # DEBUG_UNUSED enables __owur (warn unused result) checks. +# -DPEDANTIC complements -pedantic and is meant to mask code that +# is not strictly standard-compliant and/or implementation-specific, +# e.g. inline assembly, disregards to alignment requirements, such +# that -pedantic would complain about. Incidentally -DPEDANTIC has +# to be used even in sanitized builds, because sanitizer too is +# supposed to and does take notice of non-standard behaviour. Then +# -pedantic with pre-C9x compiler would also complain about 'long +# long' not being supported. As 64-bit algorithms are common now, +# it grew impossible to resolve this without sizeable additional +# code, so we just tell compiler to be pedantic about everything +# but 'long long' type. + my $gcc_devteam_warn = "-DDEBUG_UNUSED" - # -DPEDANTIC complements -pedantic and is meant to mask code that - # is not strictly standard-compliant and/or implementation-specific, - # e.g. inline assembly, disregards to alignment requirements, such - # that -pedantic would complain about. Incidentally -DPEDANTIC has - # to be used even in sanitized builds, because sanitizer too is - # supposed to and does take notice of non-standard behaviour. Then - # -pedantic with pre-C9x compiler would also complain about 'long - # long' not being supported. As 64-bit algorithms are common now, - # it grew impossible to resolve this without sizeable additional - # code, so we just tell compiler to be pedantic about everything - # but 'long long' type. - . " -Wswitch" . " -DPEDANTIC -pedantic -Wno-long-long" . " -Wall" + . " -Wextra" + . " -Wno-unused-parameter" + . " -Wno-missing-field-initializers" + . " -Wswitch" . " -Wsign-compare" . " -Wmissing-prototypes" . " -Wshadow" . " -Wformat" . " -Wtype-limits" + . " -Wundef" . " -Werror" ; @@ -130,21 +136,19 @@ my $gcc_devteam_warn = "-DDEBUG_UNUSED" # TODO(openssl-team): fix problems and investigate if (at least) the # following warnings can also be enabled: # -Wcast-align -# -Wunreachable-code +# -Wunreachable-code -- no, too ugly/compiler-specific # -Wlanguage-extension-token -- no, we use asm() # -Wunused-macros -- no, too tricky for BN and _XOPEN_SOURCE etc # -Wextended-offsetof -- no, needed in CMS ASN1 code my $clang_devteam_warn = "" - . " -Qunused-arguments" - . " -Wextra" - . " -Wswitch -Wswitch-default" - . " -Wno-unused-parameter" - . " -Wno-missing-field-initializers" + . " -Wswitch-default" + . " -Wno-parentheses-equality" . " -Wno-language-extension-token" . " -Wno-extended-offsetof" . " -Wconditional-uninitialized" . " -Wincompatible-pointer-types-discards-qualifiers" . " -Wmissing-variable-declarations" + . " -Wno-unknown-warning-option" ; # This adds backtrace information to the memory leak info. Is only used @@ -219,25 +223,12 @@ if (grep /^reconf(igure)?$/, @argvcopy) { @{$configdata::config{perlargv}} : (); die "Incorrect data to reconfigure, please do a normal configuration\n" if (grep(/^reconf/,@argvcopy)); - $ENV{CROSS_COMPILE} = $configdata::config{cross_compile_prefix} - if defined($configdata::config{cross_compile_prefix}); - $ENV{CC} = $configdata::config{cc} - if defined($configdata::config{cc}); - $ENV{CXX} = $configdata::config{cxx} - if defined($configdata::config{cxx}); - $ENV{BUILDFILE} = $configdata::config{build_file} - if defined($configdata::config{build_file}); - $ENV{$local_config_envname} = $configdata::config{local_config_dir} - if defined($configdata::config{local_config_dir}); + $config{perlenv} = $configdata::config{perlenv} // {}; print "Reconfiguring with: ", join(" ",@argvcopy), "\n"; - print " CROSS_COMPILE = ",$ENV{CROSS_COMPILE},"\n" - if $ENV{CROSS_COMPILE}; - print " CC = ",$ENV{CC},"\n" if $ENV{CC}; - print " CXX = ",$ENV{CXX},"\n" if $ENV{CXX}; - print " BUILDFILE = ",$ENV{BUILDFILE},"\n" if $ENV{BUILDFILE}; - print " $local_config_envname = ",$ENV{$local_config_envname},"\n" - if $ENV{$local_config_envname}; + foreach (sort keys %{$config{perlenv}}) { + print " $_ = $config{perlenv}->{$_}\n"; + } } else { die "Insufficient data to reconfigure, please do a normal configuration\n"; } @@ -276,13 +267,13 @@ foreach (sort glob($pattern)) { &read_config($_); } -if (defined $ENV{$local_config_envname}) { +if (defined env($local_config_envname)) { if ($^O eq 'VMS') { # VMS environment variables are logical names, # which can be used as is $pattern = $local_config_envname . ':' . '*.conf'; } else { - $pattern = catfile($ENV{$local_config_envname}, '*.conf'); + $pattern = catfile(env($local_config_envname), '*.conf'); } foreach (sort glob($pattern)) { @@ -290,32 +281,25 @@ if (defined $ENV{$local_config_envname}) { } } - -print "Configuring OpenSSL version $config{version} ($config{version_num})\n"; - $config{prefix}=""; $config{openssldir}=""; $config{processor}=""; $config{libdir}=""; $config{cross_compile_prefix}=""; -$config{fipslibdir}="/usr/local/ssl/fips-2.0/lib/"; -my $nofipscanistercheck=0; -$config{baseaddr}="0xFB00000"; my $auto_threads=1; # enable threads automatically? true by default my $default_ranlib; -$config{fips}=0; # Top level directories to build $config{dirs} = [ "crypto", "ssl", "engines", "apps", "test", "util", "tools", "fuzz" ]; # crypto/ subdirectories to build $config{sdirs} = [ "objects", - "md2", "md4", "md5", "sha", "mdc2", "hmac", "ripemd", "whrlpool", "poly1305", "blake2", - "des", "aes", "rc2", "rc4", "rc5", "idea", "bf", "cast", "camellia", "seed", "chacha", "modes", + "md2", "md4", "md5", "sha", "mdc2", "hmac", "ripemd", "whrlpool", "poly1305", "blake2", "siphash", "sm3", + "des", "aes", "rc2", "rc4", "rc5", "idea", "aria", "bf", "cast", "camellia", "seed", "sm4", "chacha", "modes", "bn", "ec", "rsa", "dsa", "dh", "dso", "engine", "buffer", "bio", "stack", "lhash", "rand", "err", "evp", "asn1", "pem", "x509", "x509v3", "conf", "txt_db", "pkcs7", "pkcs12", "comp", "ocsp", "ui", - "cms", "ts", "srp", "cmac", "ct", "async", "kdf" + "cms", "ts", "srp", "cmac", "ct", "async", "kdf", "store" ]; # test/ subdirectories to build $config{tdirs} = [ "ossl_shim" ]; @@ -330,6 +314,7 @@ my @dtls = qw(dtls1 dtls1_2); my @disablables = ( "afalgeng", + "aria", "asan", "asm", "async", @@ -349,6 +334,7 @@ my @disablables = ( "ct", "deprecated", "des", + "devcryptoeng", "dgram", "dh", "dsa", @@ -394,6 +380,9 @@ my @disablables = ( "sctp", "seed", "shared", + "siphash", + "sm3", + "sm4", "sock", "srp", "srtp", @@ -405,9 +394,10 @@ my @disablables = ( "tests", "threads", "tls", + "tls13downgrade", "ts", "ubsan", - "ui", + "ui-console", "unit-test", "whirlpool", "weak-ssl-ciphers", @@ -417,21 +407,24 @@ my @disablables = ( foreach my $proto ((@tls, @dtls)) { push(@disablables, $proto); - push(@disablables, "$proto-method"); + push(@disablables, "$proto-method") unless $proto eq "tls1_3"; } my %deprecated_disablables = ( "ssl2" => undef, "buf-freelists" => undef, - "ripemd" => "rmd160" + "ripemd" => "rmd160", + "ui" => "ui-console", ); # All of the following is disabled by default (RC5 was enabled before 0.9.8): our %disabled = ( # "what" => "comment" + "aria" => "default", "asan" => "default", "crypto-mdebug" => "default", "crypto-mdebug-backtrace" => "default", + "devcryptoeng" => "default", "ec_nistp_64_gcc_128" => "default", "egd" => "default", "external-tests" => "default", @@ -448,6 +441,7 @@ our %disabled = ( # "what" => "comment" "ubsan" => "default", #TODO(TLS1.3): Temporarily disabled while this is a WIP "tls1_3" => "default", + "tls13downgrade" => "default", "unit-test" => "default", "weak-ssl-ciphers" => "default", "zlib" => "default", @@ -468,29 +462,12 @@ my @disable_cascades = ( "dgram" => [ "dtls", "sctp" ], "sock" => [ "dgram" ], "dtls" => [ @dtls ], - - # SSL 3.0, (D)TLS 1.0 and TLS 1.1 require MD5 and SHA - "md5" => [ "ssl", "tls1", "tls1_1", "dtls1" ], - "sha" => [ "ssl", "tls1", "tls1_1", "dtls1" ], - - # Additionally, SSL 3.0 requires either RSA or DSA+DH - sub { $disabled{rsa} - && ($disabled{dsa} || $disabled{dh}); } - => [ "ssl" ], - - # (D)TLS 1.0 and TLS 1.1 also require either RSA or DSA+DH - # or ECDSA + ECDH. (D)TLS 1.2 has this requirement as well. - # (XXX: We don't support PSK-only builds). - sub { $disabled{rsa} - && ($disabled{dsa} || $disabled{dh}) - && ($disabled{ecdsa} || $disabled{ecdh}); } - => [ "tls1", "tls1_1", "tls1_2", "tls1_3", - "dtls1", "dtls1_2" ], + sub { 0 == scalar grep { !$disabled{$_} } @dtls } + => [ "dtls" ], "tls" => [ @tls ], - - # SRP and HEARTBEATS require TLSEXT - "tlsext" => [ "srp", "heartbeats" ], + sub { 0 == scalar grep { !$disabled{$_} } @tls } + => [ "tls" ], "crypto-mdebug" => [ "crypto-mdebug-backtrace" ], @@ -500,14 +477,16 @@ my @disable_cascades = ( # Without position independent code, there can be no shared libraries or DSOs "pic" => [ "shared" ], "shared" => [ "dynamic-engine" ], - "engine" => [ "afalgeng" ], + "engine" => [ "afalgeng", "devcryptoeng" ], # no-autoalginit is only useful when building non-shared "autoalginit" => [ "shared", "apps" ], - "stdio" => [ "apps", "capieng" ], + "stdio" => [ "apps", "capieng", "egd" ], "apps" => [ "tests" ], - "comp" => [ "zlib" ], + "tests" => [ "external-tests" ], + "comp" => [ "zlib" ], + "ec" => [ "tls1_3" ], sub { !$disabled{"unit-test"} } => [ "heartbeats" ], sub { !$disabled{"msan"} } => [ "asm" ], @@ -553,6 +532,9 @@ $config{build_type} = "release"; my %unsupported_options = (); my %deprecated_options = (); +# If you change this, update apps/version.c +my @known_seed_sources = qw(getrandom devrandom os egd none rdcpu librandom); +my @seed_sources = (); while (@argvcopy) { $_ = shift @argvcopy; @@ -673,7 +655,7 @@ while (@argvcopy) { $config{processor}=386; } elsif (/^fips$/) { - $config{fips}=1; + die "FIPS mode not supported\n"; } elsif (/^rsaref$/) { @@ -683,8 +665,7 @@ while (@argvcopy) } elsif (/^nofipscanistercheck$/) { - $config{fips} = 1; - $nofipscanistercheck = 1; + die "FIPS mode not supported\n"; } elsif (/^[-+]/) { @@ -722,14 +703,15 @@ while (@argvcopy) { $withargs{fuzzer_include}=$1; } - elsif (/^--with-fipslibdir=(.*)$/) + elsif (/^--with-rand-seed=(.*)$/) { - $config{fipslibdir}="$1/"; - } - elsif (/^--with-baseaddr=(.*)$/) - { - $config{baseaddr}="$1"; - } + foreach my $x (split(m|,|, $1)) + { + die "Unknown --with-rand-seed choice $x\n" + if ! grep { $x eq $_ } @known_seed_sources; + push @seed_sources, $x; + } + } elsif (/^--cross-compile-prefix=(.*)$/) { $config{cross_compile_prefix}=$1; @@ -742,6 +724,10 @@ while (@argvcopy) { $libs.=$_." "; } + elsif (/^-framework$/) + { + $libs.=$_." ".shift(@argvcopy)." "; + } elsif (/^-rpath$/ or /^-R$/) # -rpath is the OSF1 rpath flag # -R is the old Solaris rpath flag @@ -775,7 +761,7 @@ while (@argvcopy) } unless ($_ eq $target || /^no-/ || /^disable-/) { - # "no-..." follows later after implied disactivations + # "no-..." follows later after implied deactivations # have been derived. (Don't take this too seriously, # we really only write OPTIONS to the Makefile out of # nostalgia.) @@ -809,14 +795,16 @@ if ($libs =~ /(^|\s)-Wl,-rpath,/ "***** any of asan, msan or ubsan\n"; } -if ($config{fips}) - { - delete $disabled{"shared"} if ($disabled{"shared"} =~ /^default/); - } -else - { - @{$config{dirs}} = grep !/^fips$/, @{$config{dirs}}; - } +if (scalar(@seed_sources) == 0) { + print "Using implicit seed configuration\n"; + push @seed_sources, 'os'; +} +die "Cannot seed with none and anything else" + if scalar(grep { $_ eq 'none' } @seed_sources) > 0 + && scalar(@seed_sources) > 1; +push @{$config{openssl_other_defines}}, + map { (my $x = $_) =~ tr|[\-a-z]|[_A-Z]|; "OPENSSL_RAND_SEED_$x" } + @seed_sources; my @tocheckfor = (keys %disabled); while (@tocheckfor) { @@ -858,11 +846,52 @@ if ($target eq "HASH") { exit 0; } +print "Configuring OpenSSL version $config{version} ($config{version_num})\n"; +print "for $target\n"; + # Backward compatibility? if ($target =~ m/^CygWin32(-.*)$/) { $target = "Cygwin".$1; } +# Support for legacy targets having a name starting with 'debug-' +my ($d, $t) = $target =~ m/^(debug-)?(.*)$/; +if ($d) { + $config{build_type} = "debug"; + + # If we do not find debug-foo in the table, the target is set to foo. + if (!$table{$target}) { + $target = $t; + } +} +$config{target} = $target; +my %target = resolve_config($target); + +&usage if (!%target || $target{template}); + +my %conf_files = map { $_ => 1 } (@{$target{_conf_fname_int}}); +$config{conf_files} = [ sort keys %conf_files ]; +%target = ( %{$table{DEFAULTS}}, %target ); + +foreach my $feature (@{$target{disable}}) { + if (exists $deprecated_disablables{$feature}) { + warn "***** config $target disables deprecated feature $feature\n"; + } elsif (!grep { $feature eq $_ } @disablables) { + die "***** config $target disables unknown feature $feature\n"; + } + $disabled{$feature} = 'config'; +} +foreach my $feature (@{$target{enable}}) { + if ("default" eq ($disabled{$_} // "")) { + if (exists $deprecated_disablables{$feature}) { + warn "***** config $target enables deprecated feature $feature\n"; + } elsif (!grep { $feature eq $_ } @disablables) { + die "***** config $target enables unknown feature $feature\n"; + } + delete $disabled{$_}; + } +} + foreach (sort (keys %disabled)) { $config{options} .= " no-$_"; @@ -927,26 +956,6 @@ foreach (sort (keys %disabled)) print "\n"; } -print "Configuring for $target\n"; -# Support for legacy targets having a name starting with 'debug-' -my ($d, $t) = $target =~ m/^(debug-)?(.*)$/; -if ($d) { - $config{build_type} = "debug"; - - # If we do not find debug-foo in the table, the target is set to foo. - if (!$table{$target}) { - $target = $t; - } -} -$config{target} = $target; -my %target = resolve_config($target); - -&usage if (!%target || $target{template}); - -my %conf_files = map { $_ => 1 } (@{$target{_conf_fname_int}}); -$config{conf_files} = [ sort keys %conf_files ]; -%target = ( %{$table{DEFAULTS}}, %target ); - $target{cxxflags}=$target{cflags} unless defined $target{cxxflags}; $target{exe_extension}=""; $target{exe_extension}=".exe" if ($config{target} eq "DJGPP" @@ -954,13 +963,13 @@ $target{exe_extension}=".exe" if ($config{target} eq "DJGPP" $target{exe_extension}=".pm" if ($config{target} =~ /vos/); ($target{shared_extension_simple}=$target{shared_extension}) - =~ s|\.\$\(SHLIB_MAJOR\)\.\$\(SHLIB_MINOR\)||; + =~ s|\.\$\(SHLIB_VERSION_NUMBER\)||; $target{dso_extension}=$target{shared_extension_simple}; ($target{shared_import_extension}=$target{shared_extension_simple}.".a") if ($config{target} =~ /^(?:Cygwin|mingw)/); -$config{cross_compile_prefix} = $ENV{'CROSS_COMPILE'} +$config{cross_compile_prefix} = env('CROSS_COMPILE') if $config{cross_compile_prefix} eq ""; # Allow overriding the names of some tools. USE WITH CARE @@ -968,19 +977,19 @@ $config{cross_compile_prefix} = $ENV{'CROSS_COMPILE'} # the default string. $config{perl} = ($^O ne "VMS" ? $^X : "perl"); $config{hashbangperl} = - $ENV{'HASHBANGPERL'} || $ENV{'PERL'} || "/usr/bin/env perl"; -$target{cc} = $ENV{'CC'} || $target{cc} || "cc"; -$target{cxx} = $ENV{'CXX'} || $target{cxx} || "c++"; -$target{ranlib} = $ENV{'RANLIB'} || $target{ranlib} || + env('HASHBANGPERL') || env('PERL') || "/usr/bin/env perl"; +$target{cc} = env('CC') || $target{cc} || "cc"; +$target{cxx} = env('CXX') || $target{cxx} || "c++"; +$target{ranlib} = env('RANLIB') || $target{ranlib} || (which("$config{cross_compile_prefix}ranlib") ? "\$(CROSS_COMPILE)ranlib" : "true"); -$target{ar} = $ENV{'AR'} || $target{ar} || "ar"; -$target{nm} = $ENV{'NM'} || $target{nm} || "nm"; +$target{ar} = env('AR') || $target{ar} || "ar"; +$target{nm} = env('NM') || $target{nm} || "nm"; $target{rc} = - $ENV{'RC'} || $ENV{'WINDRES'} || $target{rc} || "windres"; + env('RC') || env('WINDRES') || $target{rc} || "windres"; # Allow overriding the build file name -$target{build_file} = $ENV{BUILDFILE} || $target{build_file} || "Makefile"; +$target{build_file} = env('BUILDFILE') || $target{build_file} || "Makefile"; # Cache information necessary for reconfiguration $config{cc} = $target{cc}; @@ -1003,6 +1012,25 @@ $target{build_scheme} = [ $target{build_scheme} ] my ($builder, $builder_platform, @builder_opts) = @{$target{build_scheme}}; +foreach my $checker (($builder_platform."-".$target{build_file}."-checker.pm", + $builder_platform."-checker.pm")) { + my $checker_path = catfile($srcdir, "Configurations", $checker); + if (-f $checker_path) { + my $fn = $ENV{CONFIGURE_CHECKER_WARN} + ? sub { warn $@; } : sub { die $@; }; + if (! do $checker_path) { + if ($@) { + $fn->($@); + } elsif ($!) { + $fn->($!); + } else { + $fn->("The detected tools didn't match the platform\n"); + } + } + last; + } +} + push @{$config{defines}}, "NDEBUG" if $config{build_type} eq "release"; if ($target =~ /^mingw/ && `$target{cc} --target-help 2>&1` =~ m/-mno-cygwin/m) @@ -1046,15 +1074,6 @@ if (!$disabled{dso} && $target{dso_scheme} ne "") $config{ex_libs}="$libs$config{ex_libs}" if ($libs ne ""); -if ($disabled{asm}) - { - if ($config{fips}) - { - @{$config{defines}} = grep !/^[BL]_ENDIAN$/, @{$config{defines}}; - @{$target{defines}} = grep !/^[BL]_ENDIAN$/, @{$target{defines}}; - } - } - # If threads aren't disabled, check how possible they are unless ($disabled{threads}) { if ($auto_threads) { @@ -1095,8 +1114,7 @@ if (defined($disabled{"deprecated"})) { if ($target{shared_target} eq "") { $no_shared_warn = 1 - if ((!$disabled{shared} || !$disabled{"dynamic-engine"}) - && !$config{fips}); + if (!$disabled{shared} || !$disabled{"dynamic-engine"}); $disabled{shared} = "no-shared-target"; $disabled{pic} = $disabled{shared} = $disabled{"dynamic-engine"} = "no-shared-target"; @@ -1160,10 +1178,6 @@ unless ($disabled{asm}) { push @{$config{defines}}, "OPENSSL_BN_ASM_MONT5" if ($target{bn_asm_src} =~ /-mont5/); push @{$config{defines}}, "OPENSSL_BN_ASM_GF2m" if ($target{bn_asm_src} =~ /-gf2m/); - if ($config{fips}) { - push @{$config{openssl_other_defines}}, "OPENSSL_FIPS"; - } - if ($target{sha1_asm_src}) { push @{$config{defines}}, "SHA1_ASM" if ($target{sha1_asm_src} =~ /sx86/ || $target{sha1_asm_src} =~ /sha1/); push @{$config{defines}}, "SHA256_ASM" if ($target{sha1_asm_src} =~ /sha256/); @@ -1211,29 +1225,29 @@ unless ($disabled{asm}) { } } -my $ecc = $target{cc}; -if ($^O ne "VMS" && !$disabled{makedepend}) { - # Is the compiler gcc or clang? $ecc is used below to see if - # error-checking can be turned on. - my $ccpcc = "$config{cross_compile_prefix}$target{cc}"; - open(PIPE, "$ccpcc --version 2>&1 |"); - my $lines = 2; - while ( ) { - # Find the version number and save the major. - m|(?:.*)\b(\d+)\.\d+\.\d+\b(?:.*)|; - my $compiler_major = $1; - # We know that GNU C version 3 and up as well as all clang - # versions support dependency generation - $config{makedepprog} = $ccpcc - if (/clang/ || (/gcc/ && $compiler_major >= 3)); - $ecc = "clang" if /clang/; - $ecc = "gcc" if /gcc/; - last if ($config{makedepprog} || !$lines--); +my %predefined; + +if ($^O ne "VMS") { + my $cc = "$config{cross_compile_prefix}$target{cc}"; + + # collect compiler pre-defines from gcc or gcc-alike... + open(PIPE, "$cc -dM -E -x c /dev/null 2>&1 |"); + while () { + m/^#define\s+(\w+(?:\(\w+\))?)(?:\s+(.+))?/ or last; + $predefined{$1} = $2 // ""; } close(PIPE); - $config{makedepprog} = which('makedepend') unless $config{makedepprog}; - $disabled{makedepend} = "unavailable" unless $config{makedepprog}; + if (!$disabled{makedepend}) { + # We know that GNU C version 3 and up as well as all clang + # versions support dependency generation + if ($predefined{__GNUC__} >= 3) { + $config{makedepprog} = $cc; + } else { + $config{makedepprog} = which('makedepend'); + $disabled{makedepend} = "unavailable" unless $config{makedepprog}; + } + } } @@ -1275,16 +1289,23 @@ if (defined($config{api})) { push @{$config{defines}}, $apiflag; } +if (defined($predefined{__clang__}) && !$disabled{asm}) { + $config{cflags} .= " -Qunused-arguments"; +} + if ($strict_warnings) { my $wopt; - die "ERROR --strict-warnings requires gcc or clang" - unless $ecc eq 'gcc' || $ecc eq 'clang'; + my $gccver = $predefined{__GNUC__} // -1; + + die "ERROR --strict-warnings requires gcc[>=4] or gcc-alike" + unless $gccver >= 4; + $gcc_devteam_warn .= " -Wmisleading-indentation" if $gccver >= 6; foreach $wopt (split /\s+/, $gcc_devteam_warn) { $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/) } - if ($ecc eq "clang") + if (defined($predefined{__clang__})) { foreach $wopt (split /\s+/, $clang_devteam_warn) { @@ -1305,7 +1326,7 @@ unless ($disabled{"crypto-mdebug-backtrace"}) } } -if ($user_cflags ne "") { $config{cflags}="$config{cflags}$user_cflags"; } +if ($user_cflags ne "") { $config{cflags}="$config{cflags}$user_cflags"; $config{cxxflags}="$config{cxxflags}$user_cflags";} else { $no_user_cflags=1; } if (@user_defines) { $config{defines}=[ @{$config{defines}}, @user_defines ]; } else { $no_user_defines=1; } @@ -1341,7 +1362,6 @@ my %unified_info = (); my $buildinfo_debug = defined($ENV{CONFIGURE_DEBUG_BUILDINFO}); if ($builder eq "unified") { - use lib catdir(dirname(__FILE__),"util"); use with_fallback qw(Text::Template); sub cleandir { @@ -1385,7 +1405,7 @@ if ($builder eq "unified") { my @build_file_templates = (); # First, look in the user provided directory, if given - if (defined $ENV{$local_config_envname}) { + if (defined env($local_config_envname)) { @build_file_templates = map { if ($^O eq 'VMS') { @@ -1393,7 +1413,7 @@ if ($builder eq "unified") { # which can be used as is $local_config_envname . ':' . $_; } else { - catfile($ENV{$local_config_envname}, $_); + catfile(env($local_config_envname), $_); } } @build_file_template_names; @@ -1469,8 +1489,10 @@ if ($builder eq "unified") { my %generate = (); push @{$config{build_infos}}, catfile(abs2rel($sourced, $blddir), $f); - my $template = Text::Template->new(TYPE => 'FILE', - SOURCE => catfile($sourced, $f)); + my $template = + Text::Template->new(TYPE => 'FILE', + SOURCE => catfile($sourced, $f), + PREPEND => qq{use lib "$FindBin::Bin/util/perl";}); die "Something went wrong with $sourced/$f: $!\n" unless $template; my @text = split /^/m, @@ -1731,12 +1753,24 @@ EOF } # Additionally, we set up sharednames for libraries that don't - # have any, as themselves. - foreach (keys %{$unified_info{libraries}}) { + # have any, as themselves. Only for libraries that aren't + # explicitly static. + foreach (grep !/\.a$/, keys %{$unified_info{libraries}}) { if (!defined $unified_info{sharednames}->{$_}) { $unified_info{sharednames}->{$_} = $_ } } + + # Check that we haven't defined any library as both shared and + # explicitly static. That is forbidden. + my @doubles = (); + foreach (grep /\.a$/, keys %{$unified_info{libraries}}) { + (my $l = $_) =~ s/\.a$//; + push @doubles, $l if defined $unified_info{sharednames}->{$l}; + } + die "these libraries are both explicitly static and shared:\n ", + join(" ", @doubles), "\n" + if @doubles; } foreach (keys %ordinals) { @@ -1962,6 +1996,22 @@ foreach (sort keys %config) { print OUT " ", $_, " => [ ", join(", ", map { quotify("perl", $_) } @{$config{$_}}), " ],\n"; + } elsif (ref($config{$_}) eq "HASH") { + print OUT " ", $_, " => {"; + if (scalar keys %{$config{$_}} > 0) { + print OUT "\n"; + foreach my $key (sort keys %{$config{$_}}) { + print OUT " ", + join(" => ", + quotify("perl", $key), + defined $config{$_}->{$key} + ? quotify("perl", $config{$_}->{$key}) + : "undef"); + print OUT ",\n"; + } + print OUT " "; + } + print OUT "},\n"; } else { print OUT " ", $_, " => ", quotify("perl", $config{$_}), ",\n" } @@ -2475,6 +2525,15 @@ sub which } } +sub env +{ + my $name = shift; + + return $config{perlenv}->{$name} if exists $config{perlenv}->{$name}; + $config{perlenv}->{$name} = $ENV{$name}; + return $config{perlenv}->{$name}; +} + # Configuration printer ############################################## sub print_table_entry @@ -2583,7 +2642,7 @@ sub isabsolute { # On non-platforms, we just use file_name_is_absolute(). return file_name_is_absolute($file) unless $^O eq "VMS"; - # If the file spec includes a device or a directpry spec, + # If the file spec includes a device or a directory spec, # file_name_is_absolute() is perfectly safe. return file_name_is_absolute($file) if $file =~ m|[:\[]|;