diff --git a/common b/common
index c1d07dd16c..ba33d1f3cf 160000
--- a/common
+++ b/common
@@ -1 +1 @@
-Subproject commit c1d07dd16cdb95e2cc83ced327d33cebab0fcf3d
+Subproject commit ba33d1f3cf0b9143963f13dd1ea05c93b1db8864
diff --git a/ext/Makefile.am b/ext/Makefile.am
index bc9279f0bb..1dc2e2abca 100644
--- a/ext/Makefile.am
+++ b/ext/Makefile.am
@@ -168,3 +168,5 @@ DIST_SUBDIRS = \
 	speex \
 	taglib \
 	wavpack
+
+include $(top_srcdir)/common/parallel-subdirs.mak
diff --git a/gst/Makefile.am b/gst/Makefile.am
index 93522195dc..f25a56d9cb 100644
--- a/gst/Makefile.am
+++ b/gst/Makefile.am
@@ -1,2 +1,4 @@
 SUBDIRS = $(GST_PLUGINS_SELECTED)
 DIST_SUBDIRS = $(GST_PLUGINS_ALL)
+
+include $(top_srcdir)/common/parallel-subdirs.mak
diff --git a/sys/Makefile.am b/sys/Makefile.am
index ee72a6e16f..535f581b03 100644
--- a/sys/Makefile.am
+++ b/sys/Makefile.am
@@ -73,3 +73,5 @@ endif
 SUBDIRS=$(DIRECTSOUND_DIR) $(OSS_DIR) $(OSX_AUDIO_DIR) $(OSX_VIDEO_DIR) $(SUNAUDIO_DIR) $(V4L2_DIR) $(XIMAGE_DIR)
 
 DIST_SUBDIRS=directsound oss osxaudio osxvideo sunaudio v4l2 waveform ximage
+
+include $(top_srcdir)/common/parallel-subdirs.mak
diff --git a/tests/examples/Makefile.am b/tests/examples/Makefile.am
index 2501e681c7..a655b2d623 100644
--- a/tests/examples/Makefile.am
+++ b/tests/examples/Makefile.am
@@ -1,3 +1,5 @@
 SUBDIRS = audiofx equalizer level rtp shapewipe spectrum v4l2
 
 DIST_SUBDIRS = audiofx equalizer level rtp shapewipe spectrum v4l2
+
+include $(top_srcdir)/common/parallel-subdirs.mak