+PKG_CHECK_MODULES([GST_ALLOCATORS], [gstreamer-allocators-1.0])
+AC_SUBST(GST_ALLOCATORS_CFLAGS)
+AC_SUBST(GST_ALLOCATORS_LIBS)
+
+PKG_CHECK_MODULES(TBM, libtbm)
+AC_SUBST(TBM_CFLAGS)
+AC_SUBST(TBM_LIBS)
+
+AC_ARG_ENABLE(tests, AC_HELP_STRING([--enable-tests], [unittest build]),
+ [
+ case "${enableval}" in
+ yes) IS_TESTS=yes ;;
+ no) IS_TESTS=no ;;
+ *) AC_MSG_ERROR(bad value ${enableval} for --enable-tests) ;;
+ esac
+ ],
+[IS_TESTS=no])
+AM_CONDITIONAL([IS_TESTS], [test "x$IS_TESTS" = "xyes"])
+
+AS_IF([test "x$enable_tests" = "xyes"], [
+ PKG_CHECK_MODULES(GTESTS, gmock)
+ AC_SUBST(GTESTS_CFLAGS)
+ AC_SUBST(GTESTS_LIBS)
+])
+