#! /usr/bin/env perl
# -*- mode: perl; -*-
-# Copyright 2016-2017 The OpenSSL Project Authors. All Rights Reserved.
+# Copyright 2016-2018 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
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.
# but 'long long' type.
my $gcc_devteam_warn = "-DDEBUG_UNUSED"
- . " -Wswitch"
. " -DPEDANTIC -pedantic -Wno-long-long"
. " -Wall"
. " -Wextra"
. " -Wno-unused-parameter"
. " -Wno-missing-field-initializers"
+ . " -Wswitch"
. " -Wsign-compare"
. " -Wmissing-prototypes"
. " -Wshadow"
# -Wunused-macros -- no, too tricky for BN and _XOPEN_SOURCE etc
# -Wextended-offsetof -- no, needed in CMS ASN1 code
my $clang_devteam_warn = ""
- . " -Qunused-arguments"
. " -Wswitch-default"
. " -Wno-parentheses-equality"
. " -Wno-language-extension-token"
. " -Wconditional-uninitialized"
. " -Wincompatible-pointer-types-discards-qualifiers"
. " -Wmissing-variable-declarations"
+ . " -Wno-unknown-warning-option"
;
# This adds backtrace information to the memory leak info. Is only used
my @argvcopy=@ARGV;
if (grep /^reconf(igure)?$/, @argvcopy) {
+ die "reconfiguring with other arguments present isn't supported"
+ if scalar @argvcopy > 1;
if (-f "./configdata.pm") {
my $file = "./configdata.pm";
unless (my $return = do $file) {
@{$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";
}
&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)) {
# crypto/ subdirectories to build
$config{sdirs} = [
"objects",
- "md2", "md4", "md5", "sha", "mdc2", "hmac", "ripemd", "whrlpool", "poly1305", "blake2", "siphash",
- "des", "aes", "rc2", "rc4", "rc5", "idea", "aria", "bf", "cast", "camellia", "seed", "chacha", "modes",
+ "md2", "md4", "md5", "sha", "mdc2", "hmac", "ripemd", "whrlpool", "poly1305", "blake2", "siphash", "sm3",
+ "des", "aes", "rc2", "rc4", "rc5", "idea", "aria", "bf", "cast", "camellia", "seed", "sm4", "chacha", "modes",
"bn", "ec", "rsa", "dsa", "dh", "dso", "engine",
"buffer", "bio", "stack", "lhash", "rand", "err",
"evp", "asn1", "pem", "x509", "x509v3", "conf", "txt_db", "pkcs7", "pkcs12", "comp", "ocsp", "ui",
"seed",
"shared",
"siphash",
+ "sm3",
+ "sm4",
"sock",
"srp",
"srtp",
# All of the following is disabled by default (RC5 was enabled before 0.9.8):
our %disabled = ( # "what" => "comment"
- "aria" => "default",
"asan" => "default",
"crypto-mdebug" => "default",
"crypto-mdebug-backtrace" => "default",
sub { 0 == scalar grep { !$disabled{$_} } @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} || $disabled{ecdh}); }
- => [ "tls1", "tls1_1", "tls1_2", "tls1_3",
- "dtls1", "dtls1_2" ],
-
"tls" => [ @tls ],
sub { 0 == scalar grep { !$disabled{$_} } @tls }
=> [ "tls" ],
- # SRP and HEARTBEATS require TLSEXT
- "tlsext" => [ "srp", "heartbeats" ],
-
"crypto-mdebug" => [ "crypto-mdebug-backtrace" ],
# Without DSO, we can't load dynamic engines, so don't build them dynamic
# no-autoalginit is only useful when building non-shared
"autoalginit" => [ "shared", "apps" ],
- "stdio" => [ "apps", "capieng" ],
+ "stdio" => [ "apps", "capieng", "egd" ],
"apps" => [ "tests" ],
+ "tests" => [ "external-tests" ],
"comp" => [ "zlib" ],
"ec" => [ "tls1_3" ],
sub { !$disabled{"unit-test"} } => [ "heartbeats" ],
$config{openssl_thread_defines}=[];
$config{openssl_sys_defines}=[];
$config{openssl_other_defines}=[];
+my $ldflags="";
my $libs="";
my $target="";
$config{options}="";
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)
{
$_ = shift @argvcopy;
+
+ # Support env variable assignments among the options
+ if (m|^(\w+)=(.+)?$|)
+ {
+ $config{perlenv}->{$1} = $2;
+ next;
+ }
+
# VMS is a case insensitive environment, and depending on settings
# out of our control, we may receive options uppercased. Let's
# downcase at least the part before any equal sign.
{
$withargs{fuzzer_include}=$1;
}
+ elsif (/^--with-rand-seed=(.*)$/)
+ {
+ 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;
{
read_config $1;
}
- elsif (/^-[lL](.*)$/ or /^-Wl,/)
+ elsif (/^-L(.*)$/)
+ {
+ $ldflags.=$_." ";
+ }
+ elsif (/^-l(.*)$/ or /^-Wl,/)
{
$libs.=$_." ";
}
}
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.)
"***** any of asan, msan or ubsan\n";
}
+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) {
my %new_tocheckfor = ();
&usage if (!%target || $target{template});
+%target = ( %{$table{DEFAULTS}}, %target );
+
+# Make the flags to build DSOs the same as for shared libraries unless they
+# are already defined
+$target{dso_cflags} = $target{shared_cflag} unless defined $target{dso_cflags};
+$target{dso_cxxflags} = $target{shared_cxxflag} unless defined $target{dso_cxxflags};
+$target{dso_lflags} = $target{shared_ldflag} unless defined $target{dso_lflags};
+{
+ my $shared_info_pl =
+ catfile(dirname($0), "Configurations", "shared-info.pl");
+ my %shared_info = read_eval_file($shared_info_pl);
+ push @{$target{_conf_fname_int}}, $shared_info_pl;
+ my $si = $target{shared_target};
+ while (ref $si ne "HASH") {
+ last if ! defined $si;
+ if (ref $si eq "CODE") {
+ $si = $si->();
+ } else {
+ $si = $shared_info{$si};
+ }
+ }
+
+ # Some of the 'shared_target' values don't have any entried in
+ # %shared_info. That's perfectly fine, AS LONG AS the build file
+ # template knows how to handle this. That is currently the case for
+ # Windows and VMS.
+ if (defined $si) {
+ # Just as above, copy certain shared_* attributes to the corresponding
+ # dso_ attribute unless the latter is already defined
+ $si->{dso_cflags} = $si->{shared_cflag} unless defined $si->{dso_cflags};
+ $si->{dso_cxxflags} = $si->{shared_cxxflag} unless defined $si->{dso_cxxflags};
+ $si->{dso_lflags} = $si->{shared_ldflag} unless defined $si->{dso_lflags};
+ foreach (sort keys %$si) {
+ $target{$_} = defined $target{$_}
+ ? add($si->{$_})->($target{$_})
+ : $si->{$_};
+ }
+ }
+}
+
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}) {
$target{exe_extension}=".pm" if ($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
# 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};
$config{defines} = [];
$config{cflags} = "";
$config{cxxflags} = "";
+$config{lflags} = "";
$config{ex_libs} = "";
$config{shared_ldflag} = "";
}
$config{ex_libs}="$libs$config{ex_libs}" if ($libs ne "");
+$config{lflags}="$config{lflags}$ldflags" if ($ldflags ne "");
# If threads aren't disabled, check how possible they are
unless ($disabled{threads}) {
# This saves the build files from having to check
if ($disabled{pic})
{
- $target{shared_cflag} = $target{shared_ldflag} =
- $target{shared_rcflag} = "";
+ foreach (qw(shared_cflag shared_cxxflag shared_ldflag
+ dso_cflags dso_cxxflags dso_lflags))
+ {
+ $target{$_} = "";
+ }
}
else
{
}
}
-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 ( <PIPE> ) {
- # Find the version number and save the major.
- m|(?:.*)\b(\d+)\.\d+\.\d+\b(?:.*)|;
- my $compiler_major = $1;
+my %predefined = compiler_predefined($target{cc});
+
+# Check for makedepend capabilities.
+if (!$disabled{makedepend}) {
+ if ($config{target} =~ /^(VC|vms)-/) {
+ # 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) {
# 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--);
+ $config{makedepprog} = "\$(CROSS_COMPILE)$target{cc}";
+ } else {
+ # In all other cases, we look for 'makedepend', and disable the
+ # capability if not found.
+ $config{makedepprog} = which('makedepend');
+ $disabled{makedepend} = "unavailable" unless $config{makedepprog};
}
- close(PIPE);
-
- $config{makedepprog} = which('makedepend') unless $config{makedepprog};
- $disabled{makedepend} = "unavailable" unless $config{makedepprog};
}
-
# Deal with bn_ops ###################################################
$config{bn_ll} =0;
push @{$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)
{
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 {
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') {
# which can be used as is
$local_config_envname . ':' . $_;
} else {
- catfile($ENV{$local_config_envname}, $_);
+ catfile(env($local_config_envname), $_);
}
}
@build_file_template_names;
$config{build_infos} = [ ];
+ my %ordinals = ();
foreach (@build_infos) {
my $sourced = catdir($srcdir, $_->[0]);
my $buildd = catdir($blddir, $_->[0]);
my @intermediates = ();
my @rawlines = ();
- my %ordinals = ();
my %sources = ();
my %shared_sources = ();
my %includes = ();
my %generate = ();
push @{$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 $template;
my @text =
split /^/m,
# Additionally, we set up sharednames for libraries that don't
# have any, as themselves. Only for libraries that aren't
- # explicitely static.
+ # explicitly static.
foreach (grep !/\.a$/, keys %{$unified_info{libraries}}) {
if (!defined $unified_info{sharednames}->{$_}) {
$unified_info{sharednames}->{$_} = $_
}
# Check that we haven't defined any library as both shared and
- # explicitely static. That is forbidden.
+ # explicitly static. That is forbidden.
my @doubles = ();
foreach (grep /\.a$/, keys %{$unified_info{libraries}}) {
(my $l = $_) =~ s/\.a$//;
push @doubles, $l if defined $unified_info{sharednames}->{$l};
}
- die "these libraries are both explicitely static and shared:\n ",
+ die "these libraries are both explicitly static and shared:\n ",
join(" ", @doubles), "\n"
if @doubles;
}
- foreach (keys %ordinals) {
- my $dest = $_;
- my $ddest = cleanfile($buildd, $_, $blddir);
- if ($unified_info{rename}->{$ddest}) {
- $ddest = $unified_info{rename}->{$ddest};
- }
- foreach (@{$ordinals{$dest}}) {
- my %known_ordinals =
- (
- crypto =>
- cleanfile($sourced, catfile("util", "libcrypto.num"), $blddir),
- ssl =>
- cleanfile($sourced, catfile("util", "libssl.num"), $blddir)
- );
- my $o = $known_ordinals{$_};
- die "Ordinals for $ddest defined more than once\n"
- if $unified_info{ordinals}->{$ddest};
- $unified_info{ordinals}->{$ddest} = [ $_, $o ];
- }
- }
-
foreach (keys %sources) {
my $dest = $_;
my $ddest = cleanfile($buildd, $_, $blddir);
if (! -f $s) {
$s = cleanfile($buildd, $_, $blddir);
}
- # We recognise C++, C and asm files
+
if ($s =~ /\.(cc|cpp|c|s|S)$/) {
+ # We recognise C++, C and asm files
my $o = $_;
$o =~ s/\.[csS]$/.o/; # C and assembler
$o =~ s/\.(cc|cpp)$/_cc.o/; # C++
$o = cleanfile($buildd, $o, $blddir);
$unified_info{shared_sources}->{$ddest}->{$o} = 1;
$unified_info{sources}->{$o}->{$s} = 1;
+ } elsif ($s =~ /\.rc$/) {
+ # We also recognise resource files
+ my $o = $_;
+ $o =~ s/\.rc$/.res/; # Resource configuration
+ my $o = cleanfile($buildd, $o, $blddir);
+ $unified_info{shared_sources}->{$ddest}->{$o} = 1;
+ $unified_info{sources}->{$o}->{$s} = 1;
+ } elsif ($s =~ /\.(def|map|opt)$/) {
+ # We also recognise .def / .map / .opt files
+ # We know they are generated files
+ my $def = cleanfile($buildd, $s, $blddir);
+ $unified_info{shared_sources}->{$ddest}->{$def} = 1;
} else {
die "unrecognised source file type for shared library: $s\n";
}
}
$d .= $e;
$unified_info{depends}->{$ddest}->{$d} = 1;
- # If we depend on a header file or a perl module, let's make
- # sure it can get included
- if ($dest ne "" && $d =~ /\.(h|pm)$/) {
- my $i = dirname($d);
- push @{$unified_info{includes}->{$ddest}->{source}}, $i
- unless grep { $_ eq $i } @{$unified_info{includes}->{$ddest}->{source}};
- }
}
}
}
}
+ my $ordinals_text = join(', ', sort keys %ordinals);
+ warn <<"EOF" if $ordinals_text;
+
+WARNING: ORDINALS were specified for $ordinals_text
+They are ignored and should be replaced with a combination of GENERATE,
+DEPEND and SHARED_SOURCE.
+EOF
+
+ # Massage the result
+
+ # If we depend on a header file or a perl module, add an inclusion of
+ # its directory to allow smoothe inclusion
+ foreach my $dest (keys %{$unified_info{depends}}) {
+ next if $dest eq "";
+ foreach my $d (keys %{$unified_info{depends}->{$dest}}) {
+ next unless $d =~ /\.(h|pm)$/;
+ if ($d eq "configdata.pm"
+ || defined($unified_info{generate}->{$d})) {
+ my $i = cleandir($blddir, dirname($d));
+ push @{$unified_info{includes}->{$dest}->{build}}, $i
+ unless grep { $_ eq $i } @{$unified_info{includes}->{$dest}->{build}};
+ } else {
+ my $i = cleandir($srcdir, dirname($d));
+ push @{$unified_info{includes}->{$dest}->{source}}, $i
+ unless grep { $_ eq $i } @{$unified_info{includes}->{$dest}->{source}};
+ }
+ }
+ }
+
+ # Trickle down includes placed on libraries, engines and programs to
+ # their sources (i.e. object files)
+ foreach my $dest (keys %{$unified_info{engines}},
+ keys %{$unified_info{libraries}},
+ keys %{$unified_info{programs}}) {
+ foreach my $k (("source", "build")) {
+ next unless defined($unified_info{includes}->{$dest}->{$k});
+ my @incs = reverse @{$unified_info{includes}->{$dest}->{$k}};
+ foreach my $obj (grep /\.o$/,
+ (keys %{$unified_info{sources}->{$dest}},
+ keys %{$unified_info{shared_sources}->{$dest}})) {
+ foreach my $inc (@incs) {
+ unshift @{$unified_info{includes}->{$obj}->{$k}}, $inc
+ unless grep { $_ eq $inc } @{$unified_info{includes}->{$obj}->{$k}};
+ }
+ }
+ }
+ delete $unified_info{includes}->{$dest};
+ }
+
### Make unified_info a bit more efficient
# One level structures
foreach (("programs", "libraries", "engines", "scripts", "extra", "overrides")) {
# Includes
foreach my $dest (sort keys %{$unified_info{includes}}) {
if (defined($unified_info{includes}->{$dest}->{build})) {
- my @source_includes =
- ( @{$unified_info{includes}->{$dest}->{source}} );
+ my @source_includes = ();
+ @source_includes = ( @{$unified_info{includes}->{$dest}->{source}} )
+ if defined($unified_info{includes}->{$dest}->{source});
$unified_info{includes}->{$dest} =
[ @{$unified_info{includes}->{$dest}->{build}} ];
foreach my $inc (@source_includes) {
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"
}
#print "RANLIB =", $target{ranlib} eq '$(CROSS_COMPILE)ranlib' ?
# "$config{cross_compile_prefix}ranlib" :
# "$target{ranlib}", "\n";
+print "LDFLAGS =$config{lflags} $target{lflags}\n";
print "EX_LIBS =$target{ex_libs} $config{ex_libs}\n";
my %builders = (
sub { _add($separator, @_, @x) };
}
+sub read_eval_file {
+ my $fname = shift;
+ my $content;
+ my @result;
+
+ open F, "< $fname" or die "Can't open '$fname': $!\n";
+ {
+ undef local $/;
+ $content = <F>;
+ }
+ close F;
+ {
+ local $@;
+
+ @result = ( eval $content );
+ warn $@ if $@;
+ }
+ return wantarray ? @result : $result[0];
+}
+
# configuration reader, evaluates the input file as a perl script and expects
# it to fill %targets with target configurations. Those are then added to
# %table.
sub read_config {
my $fname = shift;
- open(CONFFILE, "< $fname")
- or die "Can't open configuration file '$fname'!\n";
- my $x = $/;
- undef $/;
- my $content = <CONFFILE>;
- $/ = $x;
- close(CONFFILE);
- my %targets = ();
+ my %targets;
+
{
# Protect certain tables from tampering
- local %table = %::table;
+ local %table = ();
- eval $content;
- warn $@ if $@;
+ %targets = read_eval_file($fname);
}
+ my %preexisting = ();
+ foreach (sort keys %targets) {
+ $preexisting{$_} = 1 if $table{$_};
+ }
+ die <<"EOF",
+The following config targets from $fname
+shadow pre-existing config targets with the same name:
+EOF
+ map { " $_\n" } sort keys %preexisting
+ if %preexisting;
+
# For each target, check that it's configured with a hash table.
foreach (keys %targets) {
rename("$out.new", $out) || die "Can't rename $out.new, $!";
}
+sub compiler_predefined {
+ state %predefined;
+ my $default_compiler = shift;
+
+ return () if $^O eq 'VMS';
+
+ die 'compiler_predefines called without a default compiler'
+ unless $default_compiler;
+
+ if (! $predefined{$default_compiler}) {
+ my $cc = "$config{cross_compile_prefix}$default_compiler";
+
+ $predefined{$default_compiler} = {};
+
+ # collect compiler pre-defines from gcc or gcc-alike...
+ open(PIPE, "$cc -dM -E -x c /dev/null 2>&1 |");
+ while (my $l = <PIPE>) {
+ $l =~ m/^#define\s+(\w+(?:\(\w+\))?)(?:\s+(.+))?/ or last;
+ $predefined{$default_compiler}->{$1} = $2 // '';
+ }
+ close(PIPE);
+ }
+
+ return %{$predefined{$default_compiler}};
+}
+
sub which
{
my ($name)=@_;
}
}
+sub env
+{
+ my $name = shift;
+
+ # Note that if $ENV{$name} doesn't exist or is undefined,
+ # $config{perlenv}->{$name} will be created with the value
+ # undef. This is intentional.
+
+ $config{perlenv}->{$name} = $ENV{$name}
+ if ! exists $config{perlenv}->{$name};
+ return $config{perlenv}->{$name};
+}
+
# Configuration printer ##############################################
sub print_table_entry