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package BoxPlatform;
use Exporter;
@ISA = qw/Exporter/;
@EXPORT = qw/$build_os $make_command $bsd_make $platform_define $gcc_v3 $gcc_v4 $product_version $product_name $install_into_dir $sub_make_options $platform_compile_line_extra $platform_link_line_extra/;
BEGIN
{
# which OS are we building under?
$build_os = `uname`;
chomp $build_os;
# Cygwin Builds usually something like CYGWIN_NT-5.0, CYGWIN_NT-5.1
# Box Backup tried on Win2000,XP only :)
$build_os = 'CYGWIN' if $build_os =~ m/CYGWIN/;
$make_command = ($build_os ne 'Darwin')?'make':'bsdmake';
$bsd_make = ($build_os ne 'Linux' && $build_os ne 'CYGWIN');
$platform_define = 'PLATFORM_'.uc($build_os);
# blank extra flags by default
$platform_compile_line_extra = '';
$platform_link_line_extra = '';
# compiler version?
$gcc_v3 = 0;
$gcc_v4 = 0;
open COMPILER,"gcc -v 2>&1 |" or die "Can't open gcc -v";
while(<COMPILER>)
{
$gcc_v3 = 1 if (m/version gcc 3/ || m/gcc version 3/ || m/gcc \(GCC\) 3/i || m/gcc.Version\s+3/i);
$gcc_v4 = 1 if (m/version gcc 4/ || m/gcc version 4/ || m/gcc \(GCC\) 4/i || m/gcc.Version\s+4/i);
}
close COMPILER;
$gcc_v3 = 1 if $gcc_v4; # hacks are about the same
# get version
open VERSION,"VERSION.txt";
$product_version = <VERSION>;
chomp $product_version;
$product_name = <VERSION>;
chomp $product_name;
close VERSION;
# where to put the files
$install_into_dir = '/usr/local/bin';
# if it's Darwin,
if($build_os eq 'Darwin')
{
# see how many processors there are, and set make flags accordingly
my $cpus = `sysctl hw.ncpu`;
if($cpus =~ m/hw.ncpu:\s(\d+)/ && $1 > 1)
{
print "$1 processors detected, will set make to perform concurrent jobs\n";
$sub_make_options = ' -j '.($1 + 1);
}
# test for fink installation
if(-d '/sw/include' && -d '/sw/lib')
{
print "Fink installation detected, will use headers and libraries\n";
$platform_compile_line_extra = '-I/sw/include ';
$platform_link_line_extra = '-L/sw/lib ';
}
}
}
sub make_flag
{
if($bsd_make)
{
return "-D $_[0]"
}
return $_[0].'=1';
}
1;
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