diff --git a/configure.ac b/configure.ac
index c75d274..5e2e91c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -32,7 +32,7 @@ AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_AUX_DIR([build-aux])
 AC_USE_SYSTEM_EXTENSIONS
 
-AM_INIT_AUTOMAKE([1.11 foreign no-dist-gzip dist-xz])
+AM_INIT_AUTOMAKE([1.11 foreign no-dist-gzip dist-xz subdir-objects])
 
 # Before making a release, the LIBEVDEV_LT_VERSION string should be
 # modified.
diff --git a/libevdev/Makefile.am b/libevdev/Makefile.am
index 512cdef..fcb434d 100644
--- a/libevdev/Makefile.am
+++ b/libevdev/Makefile.am
@@ -1,6 +1,7 @@
 lib_LTLIBRARIES=libevdev.la
 
-AM_CPPFLAGS = $(GCC_CFLAGS) -I$(top_srcdir)/include -I$(top_srcdir)
+AM_CPPFLAGS = $(GCC_CFLAGS) $(GCOV_CFLAGS) -I$(top_srcdir)/include -I$(top_srcdir)
+AM_LDFLAGS = $(GCOV_LDFLAGS)
 
 libevdev_la_SOURCES = \
                    libevdev.h \
@@ -16,6 +17,7 @@ libevdev_la_SOURCES = \
 		   ../include/linux/uinput.h
 
 libevdev_la_LDFLAGS = \
+        $(AM_LDFLAGS) \
 	-version-info $(LIBEVDEV_LT_VERSION) \
 	-Wl,--version-script="$(srcdir)/libevdev.sym" \
 	$(GNU_LD_FLAGS)
@@ -33,3 +35,6 @@ EXTRA_DIST = make-event-names.py libevdev.sym
 CLEANFILES = event-names.h
 BUILT_SOURCES = event-names.h
 
+if GCOV_ENABLED
+CLEANFILES += *.gcno
+endif
diff --git a/test/Makefile.am b/test/Makefile.am
index b0642ca..264d3f9 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -22,7 +22,6 @@ test_static_link_LDADD = $(top_builddir)/libevdev/libevdev.la
 test_static_link_LDFLAGS = $(AM_LDFLAGS) -static
 
 check_local_deps =
-clean_local_deps =
 
 if ENABLE_RUNTIME_TESTS
 run_tests = test-libevdev test-kernel
@@ -35,15 +34,7 @@ if RUN_TESTS
 TESTS = $(run_tests)
 endif
 
-libevdev_sources = $(top_srcdir)/libevdev/libevdev.c \
-		   $(top_srcdir)/libevdev/libevdev.h \
-		   $(top_srcdir)/libevdev/libevdev-names.c \
-		   $(top_srcdir)/libevdev/libevdev-uinput.h \
-		   $(top_srcdir)/libevdev/libevdev-uinput.c \
-		   $(top_srcdir)/libevdev/libevdev-uinput-int.h \
-		   $(top_srcdir)/libevdev/libevdev-util.h \
-		   $(top_srcdir)/libevdev/libevdev-int.h
-common_sources = $(libevdev_sources) \
+common_sources = \
 		 test-common-uinput.c \
 		 test-common-uinput.h \
 		 test-common.c \
@@ -64,13 +55,13 @@ test_libevdev_SOURCES = \
 			test-uinput.c \
 			$(common_sources)
 
-test_libevdev_LDADD =  $(CHECK_LIBS)
+test_libevdev_LDADD = $(CHECK_LIBS) $(top_builddir)/libevdev/libevdev.la
 
 test_kernel_SOURCES = \
 		      test-kernel.c \
 		      $(common_sources)
 test_kernel_CFLAGS = -I$(top_srcdir)
-test_kernel_LDADD = $(CHECK_LIBS)
+test_kernel_LDADD = $(CHECK_LIBS) $(top_builddir)/libevdev/libevdev.la
 
 if HAVE_VALGRIND
 VALGRIND_FLAGS=--leak-check=full \
@@ -85,35 +76,19 @@ check_local_deps += valgrind
 
 endif
 
-EXTRA_DIST = valgrind.suppressions
+EXTRA_DIST = valgrind.suppressions  generate-gcov-report.sh
 
 if GCOV_ENABLED
 
-CLEANFILES = gcov-report.txt
+CLEANFILES = gcov-reports/*.gcov gcov-reports/summary.txt *.gcno *.gcda
 
-gcov-clean:
-	@rm -f *.gcov
+gcov-report: generate-gcov-report.sh check-TESTS
+	$(AM_V_GEN)$(srcdir)/generate-gcov-report.sh gcov-reports $(top_builddir)/libevdev $(builddir)
 
-gcov-report.txt: gcov-clean check-TESTS
-	$(AM_V_GEN)(rm -rf $@; \
-		echo "========== coverage report ========" >> $@; \
-		for file in `find $(top_srcdir)/libevdev -name "*.c" -printf "%P\n"`; do \
-			gcov $$file > /dev/null; \
-			if test -f $$file.gcov; then \
-				total=`grep -v " -:" $$file.gcov | wc -l`; \
-				missing=`grep "#####" $$file.gcov | wc -l`; \
-				hit=$$((total - missing)); \
-				echo -e "$$file: total lines: $$total not tested: $$missing ($$((($$hit * 100)/$$total))%)"; \
-			fi \
-		done >> $@; \
-		echo "========== =============== ========" >> $@; \
-	)
-
-gcov: gcov-report.txt
-	@cat gcov-report.txt
+gcov: gcov-report
+	@cat gcov-reports/summary.txt
 
 check_local_deps += gcov
-clean_local_deps += gcov-clean
 
 else
 
@@ -123,12 +98,10 @@ gcov-report.txt:
 gcov:
 	@true
 
-gcov-clean:
-	@true
 
 endif # GCOV_ENABLED
 
-.PHONY: gcov gcov-clean gcov-report.txt
+.PHONY: gcov gcov-clean gcov-report
 
 endif # ENABLE_RUNTIME_TESTS
 
@@ -155,5 +128,3 @@ endif # HAVE_NM
 
 check-local: $(check_local_deps)
 
-clean-local: $(clean_local_deps)
-	rm -f *.gcno *.gcda
diff --git a/test/generate-gcov-report.sh b/test/generate-gcov-report.sh
new file mode 100755
index 0000000..f871a5b
--- /dev/null
+++ b/test/generate-gcov-report.sh
@@ -0,0 +1,38 @@
+#!/bin/bash -e
+
+if [[ $# -lt 2 ]]; then
+    echo "Usage: ./generate-gcov-report.sh <rel-target-dir> <srcdir> [<srcdir> ... ]"
+    exit 1
+fi
+
+target_dir=$1
+shift
+source_dirs=$*
+
+if [[ "${target_dir:0:1}" != '/' ]]; then
+    target_dir="$PWD/$target_dir"
+fi
+summary_file="$target_dir/summary.txt"
+
+mkdir -p "$target_dir"
+rm -f "$target_dir"/*.gcov
+
+for dir in $source_dirs; do
+	pushd "$dir" > /dev/null
+	for file in *.c; do
+		find ./ -name "*${file/\.c/.gcda}" -exec gcov {} \; > /dev/null
+	done
+	find ./ -name "*.gcov" \! -path "*/`basename "$target_dir"`/*" -exec mv {} "$target_dir" \;
+	popd > /dev/null
+done
+
+echo "========== coverage report ========" > "$summary_file"
+for file in "$target_dir"/*.gcov; do
+	total=`grep -v " -:" "$file" | wc -l`
+	missing=`grep "#####" "$file" | wc -l`
+	hit=$((total - missing));
+	percent=$((($hit * 100)/$total))
+	fname=`basename "$file"`
+	printf "%-32s total lines: %4s not tested: %4s (%3s%%)\n" "$fname" "$total" "$missing" "$percent">> "$summary_file"
+done
+echo "========== =============== ========" >> "$summary_file"