X-Git-Url: https://git.openssl.org/gitweb/?a=blobdiff_plain;f=Configure;h=e9e78665f85fad41b5ae2b0167ca3e1776f9b5a0;hb=1a6c30029802179ebe0ec1eedfdc9d78bb6dc4dd;hp=b06f17fd0771ae5b513d0373a1cb3449a248df8a;hpb=5585c8495e4c0175450b4ddc75b38eb76f929d34;p=openssl.git diff --git a/Configure b/Configure index b06f17fd07..e9e78665f8 100755 --- a/Configure +++ b/Configure @@ -21,6 +21,9 @@ use OpenSSL::Glob; # see INSTALL for instructions. +my $orig_death_handler = $SIG{__DIE__}; +$SIG{__DIE__} = \&death_handler; + my $usage="Usage: Configure [no- ...] [enable- ...] [-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"; # Options: @@ -125,6 +128,7 @@ my $gcc_devteam_warn = "-DDEBUG_UNUSED" . " -Wswitch" . " -Wsign-compare" . " -Wmissing-prototypes" + . " -Wstrict-prototypes" . " -Wshadow" . " -Wformat" . " -Wtype-limits" @@ -325,6 +329,7 @@ my @disablables = ( "async", "autoalginit", "autoerrinit", + "autoload-config", "bf", "blake2", "camellia", @@ -423,10 +428,10 @@ my %deprecated_disablables = ( "ui" => "ui-console", ); -# All of the following is disabled by default (RC5 was enabled before 0.9.8): +# All of the following are disabled by default: our %disabled = ( # "what" => "comment" - "asan" => "default", + "asan" => "default", "crypto-mdebug" => "default", "crypto-mdebug-backtrace" => "default", "devcryptoeng" => "default", @@ -551,6 +556,7 @@ my %user = ( LDLIBS => [], # -l MT => undef, MTFLAGS => [], + PERL => env('PERL') || ($^O ne "VMS" ? $^X : "perl"), RANLIB => env('RANLIB'), RC => env('RC') || env('WINDRES'), RCFLAGS => [], @@ -821,11 +827,7 @@ while (@argvcopy) { read_config $1; } - elsif (/^-L(.*)$/) - { - push @{$useradd{LDFLAGS}}, $_; - } - elsif (/^-l(.*)$/ or /^-Wl,/) + elsif (/^-l(.*)$/) { push @{$useradd{LDLIBS}}, $_; } @@ -833,6 +835,10 @@ while (@argvcopy) { push @{$useradd{LDLIBS}}, $_, shift(@argvcopy); } + elsif (/^-L(.*)$/ or /^-Wl,/) + { + push @{$useradd{LDFLAGS}}, $_; + } elsif (/^-rpath$/ or /^-R$/) # -rpath is the OSF1 rpath flag # -R is the old Solaris rpath flag @@ -885,21 +891,21 @@ while (@argvcopy) else { $config{options} .= " ".$_; } } + } - if (defined($config{api}) && !exists $apitable->{$config{api}}) { - die "***** Unsupported api compatibility level: $config{api}\n", - } +if (defined($config{api}) && !exists $apitable->{$config{api}}) { + die "***** Unsupported api compatibility level: $config{api}\n", +} - if (keys %deprecated_options) - { - warn "***** Deprecated options: ", - join(", ", keys %deprecated_options), "\n"; - } - if (keys %unsupported_options) - { - die "***** Unsupported options: ", - join(", ", keys %unsupported_options), "\n"; - } +if (keys %deprecated_options) + { + warn "***** Deprecated options: ", + join(", ", keys %deprecated_options), "\n"; + } +if (keys %unsupported_options) + { + die "***** Unsupported options: ", + join(", ", keys %unsupported_options), "\n"; } # If any %useradd entry has been set, we must check that the "make @@ -952,7 +958,7 @@ foreach (keys %user) { } } -if (grep { $_ =~ /(^|\s)-Wl,-rpath,/ } ($user{LDLIBS} ? @{$user{LDLIBS}} : ()) +if (grep { /-rpath\b/ } ($user{LDFLAGS} ? @{$user{LDFLAGS}} : ()) && !$disabled{shared} && !($disabled{asan} && $disabled{msan} && $disabled{ubsan})) { die "***** Cannot simultaneously use -rpath, shared libraries, and\n", @@ -1109,15 +1115,14 @@ $target{exe_extension}=".exe" if ($config{target} eq "DJGPP" $target{exe_extension}=".pm" if ($config{target} =~ /vos/); ($target{shared_extension_simple}=$target{shared_extension}) - =~ s|\.\$\(SHLIB_VERSION_NUMBER\)||; -$target{dso_extension}=$target{shared_extension_simple}; + =~ s|\.\$\(SHLIB_VERSION_NUMBER\)|| + unless defined($target{shared_extension_simple}); +$target{dso_extension}//=$target{shared_extension_simple}; ($target{shared_import_extension}=$target{shared_extension_simple}.".a") if ($config{target} =~ /^(?:Cygwin|mingw)/); -# Allow overriding the names of some tools. USE WITH CARE -# Note: only Unix cares about HASHBANGPERL... that explains -# the default string. -$config{perl} = ($^O ne "VMS" ? $^X : "perl"); +# Fill %config with values from %user, and in case those are undefined or +# empty, use values from %target (acting as a default). foreach (keys %user) { my $ref_type = ref $user{$_}; @@ -1358,6 +1363,9 @@ unless ($disabled{asm}) { push @{$config{lib_defines}}, "SHA256_ASM" if ($target{sha1_asm_src} =~ /sha256/); push @{$config{lib_defines}}, "SHA512_ASM" if ($target{sha1_asm_src} =~ /sha512/); } + if ($target{keccak1600_asm_src} ne $table{DEFAULTS}->{keccak1600_asm_src}) { + push @{$config{lib_defines}}, "KECCAK1600_ASM"; + } if ($target{rc4_asm_src} ne $table{DEFAULTS}->{rc4_asm_src}) { push @{$config{lib_defines}}, "RC4_ASM"; } @@ -1403,7 +1411,7 @@ unless ($disabled{asm}) { } } -my %predefined = compiler_predefined($config{CC}); +my %predefined = compiler_predefined($config{CROSS_COMPILE}.$config{CC}); # Check for makedepend capabilities. if (!$disabled{makedepend}) { @@ -1411,9 +1419,11 @@ if (!$disabled{makedepend}) { # For VC- and vms- targets, there's nothing more to do here. The # functionality is hard coded in the corresponding build files for # cl (Windows) and CC/DECC (VMS). - } elsif ($predefined{__GNUC__} >= 3) { + } elsif (($predefined{__GNUC__} // -1) >= 3 + && !($predefined{__APPLE_CC__} && !$predefined{__clang__})) { # We know that GNU C version 3 and up as well as all clang - # versions support dependency generation + # versions support dependency generation, but Xcode did not + # handle $cc -M before clang support (but claims __GNUC__ = 3) $config{makedepprog} = "\$(CROSS_COMPILE)$config{CC}"; } else { # In all other cases, we look for 'makedepend', and disable the @@ -1423,6 +1433,27 @@ if (!$disabled{makedepend}) { } } +if (!$disabled{asm}) { + # probe for -Wa,--noexecstack option... + if ($predefined{__clang__}) { + # clang has builtin assembler, which doesn't recognize --help, + # but it apparently recognizes the option in question on all + # supported platforms even when it's meaningless. In other words + # probe would fail, but probed option always accepted... + push @{$config{cflags}}, "-Wa,--noexecstack", "-Qunused-arguments"; + } elsif ($^O ne 'VMS') { + my $cc = $config{CROSS_COMPILE}.$config{CC}; + open(PIPE, "$cc -Wa,--help -c -o null.$$.o -x assembler /dev/null 2>&1 |"); + while() { + if (m/--noexecstack/) { + push @{$config{cflags}}, "-Wa,--noexecstack"; + last; + } + } + close(PIPE); + unlink("null.$$.o"); + } +} # Deal with bn_ops ################################################### @@ -1464,11 +1495,6 @@ if (defined($config{api})) { push @{$config{defines}}, $apiflag; } -if (defined($predefined{__clang__}) && !$disabled{asm}) { - push @{$config{cflags}}, "-Qunused-arguments"; - push @{$config{cxxflags}}, "-Qunused-arguments" if $config{CXX}; -} - if ($strict_warnings) { my $wopt; @@ -1630,7 +1656,9 @@ if ($builder eq "unified") { die "*** Couldn't find any of:\n", join("\n", @build_file_templates), "\n"; } $config{build_file_templates} - = [ $build_file_template, + = [ cleanfile($srcdir, catfile("Configurations", "common0.tmpl"), + $blddir), + $build_file_template, cleanfile($srcdir, catfile("Configurations", "common.tmpl"), $blddir) ]; @@ -2433,7 +2461,7 @@ _____ if ($dump || $cmdline) { print "\nCommand line (with current working directory = $here):\n\n"; print ' ',join(' ', - $config{perl}, + $config{PERL}, catfile($config{sourcedir}, 'Configure'), @{$config{perlargv}}), "\n"; print "\nPerl information:\n\n"; @@ -2654,6 +2682,8 @@ my %builders = ( $builders{$builder}->($builder_platform, @builder_opts); +$SIG{__DIE__} = $orig_death_handler; + print <<"EOF" if ($disabled{threads} eq "unavailable"); The library could not be configured for supporting multi-threaded @@ -2689,6 +2719,20 @@ exit(0); # Helpers and utility functions # +# Death handler, to print a helpful message in case of failure ####### +# +sub death_handler { + die @_ if $^S; + my $build_file = $target{build_file} // "build file"; + print STDERR <<"_____"; + +Failure! $build_file wasn't produced. +Please read INSTALL and associated NOTES files. You may also have to look over +your available compiler tool chain or change your configuration. + +_____ +} + # Configuration file reading ######################################### # Note: All of the helper functions are for lazy evaluation. They all @@ -2753,7 +2797,10 @@ sub threads { return sub { add($disabled{threads} ? () : @flags)->(); } } - +sub shared { + my @flags = @_; + return sub { add($disabled{shared} ? () : @flags)->(); } +} our $add_called = 0; # Helper function to implement adding values to already existing configuration @@ -3036,7 +3083,7 @@ sub run_dofile foreach (@templates) { die "Can't open $_, $!" unless -f $_; } - my $perlcmd = (quotify("maybeshell", $config{perl}))[0]; + my $perlcmd = (quotify("maybeshell", $config{PERL}))[0]; my $cmd = "$perlcmd \"-I.\" \"-Mconfigdata\" \"$dofile\" -o\"Configure\" \"".join("\" \"",@templates)."\" > \"$out.new\""; #print STDERR "DEBUG[run_dofile]: \$cmd = $cmd\n"; system($cmd); @@ -3046,28 +3093,27 @@ sub run_dofile sub compiler_predefined { state %predefined; - my $default_compiler = shift; + my $cc = shift; return () if $^O eq 'VMS'; - die 'compiler_predefined called without a default compiler' - unless $default_compiler; + die 'compiler_predefined called without a compiler command' + unless $cc; - if (! $predefined{$default_compiler}) { - my $cc = "$config{CROSS_COMPILE}$default_compiler"; + if (! $predefined{$cc}) { - $predefined{$default_compiler} = {}; + $predefined{$cc} = {}; # collect compiler pre-defines from gcc or gcc-alike... open(PIPE, "$cc -dM -E -x c /dev/null 2>&1 |"); while (my $l = ) { $l =~ m/^#define\s+(\w+(?:\(\w+\))?)(?:\s+(.+))?/ or last; - $predefined{$default_compiler}->{$1} = $2 // ''; + $predefined{$cc}->{$1} = $2 // ''; } close(PIPE); } - return %{$predefined{$default_compiler}}; + return %{$predefined{$cc}}; } sub which