diff --git a/lib/c_glib/Makefile.am b/lib/c_glib/Makefile.am
index 39e848a..86d4884 100755
--- a/lib/c_glib/Makefile.am
+++ b/lib/c_glib/Makefile.am
@@ -16,7 +16,7 @@
 # specific language governing permissions and limitations
 # under the License.
 #
-.NOTPARALLEL:
+AUTOMAKE_OPTIONS = serial-tests
 SUBDIRS = . test
 
 pkgconfigdir = $(libdir)/pkgconfig
diff --git a/lib/c_glib/test/Makefile.am b/lib/c_glib/test/Makefile.am
index 72d0f64..c8d2393 100755
--- a/lib/c_glib/test/Makefile.am
+++ b/lib/c_glib/test/Makefile.am
@@ -16,7 +16,8 @@
 # specific language governing permissions and limitations
 # under the License.
 #
-.NOTPARALLEL:
+AUTOMAKE_OPTIONS = serial-tests
+
 SUBDIRS =
 
 AM_CPPFLAGS = -g -Wall -I../src $(GLIB_CFLAGS)
diff --git a/lib/cpp/Makefile.am b/lib/cpp/Makefile.am
index 668af0a..5206db8 100755
--- a/lib/cpp/Makefile.am
+++ b/lib/cpp/Makefile.am
@@ -17,6 +17,8 @@
 # under the License.
 #
 
+AUTOMAKE_OPTIONS = subdir-objects
+
 moc_%.cpp: %.h
 	$(QT_MOC) $(QT_CFLAGS) $< -o $@
 
diff --git a/lib/cpp/test/Makefile.am b/lib/cpp/test/Makefile.am
index f15b0c1..4d61e37 100755
--- a/lib/cpp/test/Makefile.am
+++ b/lib/cpp/test/Makefile.am
@@ -16,7 +16,8 @@
 # specific language governing permissions and limitations
 # under the License.
 #
-.NOTPARALLEL:
+AUTOMAKE_OPTIONS = subdir-objects serial-tests
+
 noinst_LTLIBRARIES = libtestgencpp.la libprocessortest.la
 nodist_libtestgencpp_la_SOURCES = \
 	gen-cpp/DebugProtoTest_types.cpp \
diff --git a/lib/lua/Makefile.am b/lib/lua/Makefile.am
index 364a25d..16170d4 100644
--- a/lib/lua/Makefile.am
+++ b/lib/lua/Makefile.am
@@ -17,6 +17,8 @@
 # under the License.
 #
 
+AUTOMAKE_OPTIONS = subdir-objects
+
 SUBDIRS = .
 
 lib_LTLIBRARIES = \
@@ -60,4 +62,4 @@
 		TProtocol.lua \
 		TServer.lua \
 		TSocket.lua \
-		TTransport.lua
\ No newline at end of file
+		TTransport.lua
diff --git a/lib/py/Makefile.am b/lib/py/Makefile.am
index a504b5c..adb90f3 100755
--- a/lib/py/Makefile.am
+++ b/lib/py/Makefile.am
@@ -16,7 +16,7 @@
 # specific language governing permissions and limitations
 # under the License.
 #
-.NOTPARALLEL:
+AUTOMAKE_OPTIONS = serial-tests
 DESTDIR ?= /
 
 all-local: