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Make multigcc.pl actually use more than one core on OS X and opensolaris.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25274 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Jens Arnold 2010-03-21 14:35:03 +00:00
parent 18e7c1f4af
commit be384e8451
1 changed files with 20 additions and 4 deletions
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18
tools/multigcc.pl
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@ -1,4 +1,5 @@
#!/usr/bin/perl
use Switch;
use List::Util 'shuffle'; # standard from Perl 5.8 and later
my $tempfile = "multigcc.out";
@ -24,11 +25,26 @@ my $command = join " ", @params;
@files = shuffle(@files);
# count number of cores
my $cores = 1;
my $cores;
switch($^O) {
case "darwin" {
chomp($cores = `sysctl -n hw.ncpu`);
$cores = 1 if ($?);
}
case "solaris" {
$cores = scalar grep /on-line/i, `psrinfo`;
$cores = 1 if ($?);
}
else {
if (open CPUINFO, "</proc/cpuinfo") {
$cores = scalar grep /^processor/i, <CPUINFO>;
close CPUINFO;
}
else {
$cores = 1;
}
}
}
# don't run empty children
if (scalar @files <= $cores)