diff -up OpenBLAS-0.3.7/Makefile.tests OpenBLAS-0.3.7/Makefile
--- OpenBLAS-0.3.7/Makefile.tests	2019-08-11 23:23:27.000000000 +0200
+++ OpenBLAS-0.3.7/Makefile	2019-08-12 11:32:09.937281485 +0200
@@ -123,13 +123,13 @@ tests :
 ifeq ($(NOFORTRAN), $(filter 0,$(NOFORTRAN)))
 	touch $(LIBNAME)
 ifndef NO_FBLAS
-	$(MAKE) -C test all
+	$(MAKE) -C test FC="$(FC)" CC="$(CC)" COMMON_OPT="$(COMMON_OPT)" FCOMMON_OPT="$(FCOMMON_OPT)" all
 endif
-	$(MAKE) -C utest all
+	$(MAKE) -C utest FC="$(FC)" CC="$(CC)" COMMON_OPT="$(COMMON_OPT)" FCOMMON_OPT="$(FCOMMON_OPT)" all
 ifndef NO_CBLAS
-	$(MAKE) -C ctest all
+	$(MAKE) -C ctest FC="$(FC)" CC="$(CC)" COMMON_OPT="$(COMMON_OPT)" FCOMMON_OPT="$(FCOMMON_OPT)" all
 ifeq ($(CPP_THREAD_SAFETY_TEST), 1)
-	$(MAKE) -C cpp_thread_test all
+	$(MAKE) -C cpp_thread_test FC="$(FC)" CC="$(CC)" COMMON_OPT="$(COMMON_OPT)" FCOMMON_OPT="$(FCOMMON_OPT)" all
 endif
 endif
 endif