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create a config.site file for autoconf #113

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merged 2 commits into from Mar 13, 2015
Merged

create a config.site file for autoconf #113

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df77cb6
create a config.site file for autoconf
plicease Feb 28, 2015
f97195f
also put cc in quotes
plicease Feb 28, 2015
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60 changes: 53 additions & 7 deletions lib/Alien/Base/ModuleBuild.pm
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Expand Up @@ -24,6 +24,8 @@ use Env qw( @PATH );
use Shell::Guess;
use Shell::Config::Generate;
use File::Path qw/mkpath/;
use Config;
use Text::ParseWords qw( shellwords );

use Alien::Base::PkgConfig;
use Alien::Base::ModuleBuild::Cabinet;
Expand Down Expand Up @@ -593,6 +595,21 @@ sub alien_detect_blib_scheme {
# Build Methods #
###################

sub _shell_config_generate
{
my $scg = Shell::Config::Generate->new;
$scg->comment(
'this script sets the environment needed to build this package.',
'generated by: ' . __FILE__,
);
$scg;
}

sub _filter_defines
{
join ' ', grep !/^-D/, shellwords($_[0]);
}

sub _env_do_system {
my $self = shift;
my $command = shift;
Expand All @@ -603,6 +620,8 @@ sub _env_do_system {
$self->alien_bin_requires->{'Alien::MSYS'} ||= 0
}

my $config;

foreach my $mod (keys %{ $self->alien_bin_requires }) {
my $version = $self->alien_bin_requires->{$mod};
eval qq{ use $mod $version () }; # should also work for version = 0
Expand All @@ -627,12 +646,40 @@ sub _env_do_system {
# add anything else to start of PATH
unshift @PATH, sort keys %path;

my $config = Shell::Config::Generate->new;
$config->comment(
'this script sets the environment needed to build this package.',
'generated by: ' . __FILE__,
);
$config ||= _shell_config_generate();
$config->prepend_path( PATH => sort keys %path );
}

local $ENV{CONFIG_SITE} = $ENV{CONFIG_SITE};

# If we are using autoconf, then create a site.config file
# that specifies the same compiler and compiler linker flags
# as were used for building Perl. This is helpful for
# mixed 32/64bit platforms where 32bit is the default but
# Perl is 64bit.
if($self->config_data('autoconf') && !defined $ENV{CONFIG_SITE}) {

local $CWD;
pop @CWD;

open my $fh, '>', 'config.site';
print $fh "CC='$Config{cc}'\n";
# -D define flags should be stripped because they are Perl
# specific.
print $fh "CFLAGS='", _filter_defines($Config{ccflags}), "'\n";
print $fh "CPPFLAGS='", _filter_defines($Config{cppflags}), "'\n";
print $fh "CXXFLAGS='", _filter_defines($Config{ccflags}), "'\n";
print $fh "LDFLAGS='$Config{ldflags}'\n";
close $fh;

my $config ||= _shell_config_generate();
my $config_site = File::Spec->catfile($CWD, 'config.site');
$config_site =~ s{\\}{/}g if $^O eq 'MSWin32';
$config->set( CONFIG_SITE => $config_site );
$ENV{CONFIG_SITE} = $config_site;
}

if($config) {
if($^O eq 'MSWin32') {
local $CWD;
pop @CWD;
Expand All @@ -645,9 +692,8 @@ sub _env_do_system {
$config->generate_file( Shell::Guess->bourne_shell, 'env.sh' );
$config->generate_file( Shell::Guess->c_shell, 'env.csh' );
}

}

$self->do_system( ref($command) ? @$command : $command );
}

Expand Down