X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=dh_builddeb;h=bf9fc27d39aafdfb2c42545cd5cd213158b42b30;hb=18a0da8092ea9f3dc48bca92b36f592af25a608d;hp=edb7a751589bee2eec9b31ae39c6772a768c3a3c;hpb=c0460e17dab00ac7944a3d94fbe87b11757a1c65;p=debhelper.git

diff --git a/dh_builddeb b/dh_builddeb
index edb7a75..bf9fc27 100755
--- a/dh_builddeb
+++ b/dh_builddeb
@@ -18,6 +18,9 @@ B<dh_builddeb> [S<I<debhelper options>>] [B<--destdir=>I<directory>] [B<--filena
 B<dh_builddeb> simply calls L<dpkg-deb(1)> to build a Debian package or
 packages.
 
+It supports building multiple binary packages in parallel, when enabled by
+DEB_BUILD_OPTIONS.
+
 =head1 OPTIONS
 
 =over 4
@@ -63,56 +66,60 @@ else {
 	$dh{FILENAME}="/$dh{FILENAME}";
 }
 
+my $max_procs=get_buildoption("parallel") || 1;
+
 my $processes=1;
-my $max_procs=1;
-if (defined $ENV{DEB_BUILD_OPTIONS} && $ENV{DEB_BUILD_OPTIONS}=~/parallel=(\d+)/) {
-	$max_procs=$1;
+my $exit=0;
+sub reap {
+	if (wait == -1) {
+		$processes=0;
+	}
+	else {
+		$processes--;
+		$exit=1 if $? != 0;
+	}
 }
 
 foreach my $package (@{$dh{DOPACKAGES}}) {
-	my $pid=0;
-
-	if ($max_procs > 1) {
-		while ($processes > $max_procs) {
-			wait;
-			$processes--;
-		}
-		$pid=fork();
+	my $pid=fork();
+	if (! defined $pid) {
+		error("fork failed! $!");
+	}
+	if ($pid) { # parent
+		$processes++;
+		reap while $processes > $max_procs;
+		next;
 	}
 
-	if ($pid == 0) {
-		my $tmp=tmpdir($package);
-		if (exists $ENV{DH_ALWAYS_EXCLUDE} && length $ENV{DH_ALWAYS_EXCLUDE}) {
-			if (! compat(5)) {
-				complex_doit("find $tmp $dh{EXCLUDE_FIND} | xargs rm -rf");
-			}
-			else {
-				# Old broken code here for compatibility. Does not
-				# remove everything.
-				complex_doit("find $tmp -name $_ | xargs rm -rf")
-					foreach split(":", $ENV{DH_ALWAYS_EXCLUDE});
-			}
-		}
-		if (! is_udeb($package)) {
-			doit("dpkg-deb", @{$dh{U_PARAMS}}, "--build", $tmp, $dh{DESTDIR}.$dh{FILENAME});
+	# child
+	my $tmp=tmpdir($package);
+	if (exists $ENV{DH_ALWAYS_EXCLUDE} && length $ENV{DH_ALWAYS_EXCLUDE}) {
+		if (! compat(5)) {
+			complex_doit("find $tmp $dh{EXCLUDE_FIND} | xargs rm -rf");
 		}
 		else {
-			my $filename=$dh{FILENAME};
-			if (! $filename) {
-				$filename="/".udeb_filename($package);
-			}
-			doit("dpkg-deb", @{$dh{U_PARAMS}}, "--build", $tmp, $dh{DESTDIR}.$filename);
+			# Old broken code here for compatibility. Does not
+			# remove everything.
+			complex_doit("find $tmp -name $_ | xargs rm -rf")
+				foreach split(":", $ENV{DH_ALWAYS_EXCLUDE});
 		}
-		exit (0) if ($max_procs > 1);
+	}
+	if (! is_udeb($package)) {
+		doit("dpkg-deb", @{$dh{U_PARAMS}}, "--build", $tmp, $dh{DESTDIR}.$dh{FILENAME});
 	}
 	else {
-		if (!defined $pid) {
-			error("fork failed! $!");
+		my $filename=$dh{FILENAME};
+		if (! $filename) {
+			$filename="/".udeb_filename($package);
 		}
-		$processes++;
+		doit("dpkg-deb", "-z1", "-Zxz", "-Sextreme",
+			@{$dh{U_PARAMS}}, "--build", $tmp, $dh{DESTDIR}.$filename);
 	}
+	exit 0;
 }
-while (($max_procs > 1) && (wait != -1)) {}
+
+reap while $processes;
+exit $exit;
 
 =head1 SEE ALSO