X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=dh_builddeb;h=77da898fc02d1c2114723247e57cb6560e1d1206;hb=e2a6d4cec4a7ee952cf6a7f250d80f1d75a38f95;hp=b15c943669c82c4f030969d71fdb765c9b1ae15d;hpb=7bc99d44cfc0275e1b44b390bed1362c457da9ab;p=debhelper.git

diff --git a/dh_builddeb b/dh_builddeb
index b15c943..77da898 100755
--- a/dh_builddeb
+++ b/dh_builddeb
@@ -63,7 +63,32 @@ else {
 	$dh{FILENAME}="/$dh{FILENAME}";
 }
 
+my $max_procs=get_buildoption("parallel") || 1;
+
+my $processes=1;
+my $exit=0;
+sub reap {
+	if (wait == -1) {
+		$processes=0;
+	}
+	else {
+		$processes--;
+		$exit=1 if $? != 0;
+	}
+}
+
 foreach my $package (@{$dh{DOPACKAGES}}) {
+	my $pid=fork();
+	if (! defined $pid) {
+		error("fork failed! $!");
+	}
+	if ($pid) { # parent
+		$processes++;
+		reap while $processes > $max_procs;
+		next;
+	}
+
+	# child
 	my $tmp=tmpdir($package);
 	if (exists $ENV{DH_ALWAYS_EXCLUDE} && length $ENV{DH_ALWAYS_EXCLUDE}) {
 		if (! compat(5)) {
@@ -86,8 +111,12 @@ foreach my $package (@{$dh{DOPACKAGES}}) {
 		}
 		doit("dpkg-deb", @{$dh{U_PARAMS}}, "--build", $tmp, $dh{DESTDIR}.$filename);
 	}
+	exit 0;
 }
 
+reap while $processes;
+exit $exit;
+
 =head1 SEE ALSO
 
 L<debhelper(7)>