From be384e845129b677e70d877fe914f2cab0900abf Mon Sep 17 00:00:00 2001
From: Jens Arnold <amiconn@rockbox.org>
Date: Sun, 21 Mar 2010 14:35:03 +0000
Subject: Make multigcc.pl actually use more than one core on OS X and
 opensolaris.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25274 a1c6a512-1295-4272-9138-f99709370657
---
 tools/multigcc.pl | 24 ++++++++++++++++++++----
 1 file changed, 20 insertions(+), 4 deletions(-)

diff --git a/tools/multigcc.pl b/tools/multigcc.pl
index fbe7c17aae..5222f61b49 100755
--- a/tools/multigcc.pl
+++ b/tools/multigcc.pl
@@ -1,4 +1,5 @@
 #!/usr/bin/perl
+use Switch;
 use List::Util 'shuffle'; # standard from Perl 5.8 and later
 
 my $tempfile = "multigcc.out";
@@ -24,10 +25,25 @@ my $command = join " ", @params;
 @files = shuffle(@files);  
 
 # count number of cores
-my $cores = 1;
-if (open CPUINFO, "</proc/cpuinfo") {
-    $cores = scalar grep /^processor/i, <CPUINFO>;
-    close CPUINFO;
+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
-- 
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