diff -r 176b3da8ce61 -r 995a5556edfa make/common/TestFilesCompilation.gmk
--- a/make/common/TestFilesCompilation.gmk	Wed Mar 14 21:35:41 2018 +0100
+++ b/make/common/TestFilesCompilation.gmk	Thu Mar 15 01:20:47 2018 +0100
@@ -86,7 +86,6 @@
         INCLUDE_FILES := $$(notdir $$(file)), \
         OBJECT_DIR := $$($1_OUTPUT_DIR)/support/$$($1_PREFIX)$$(name), \
         OUTPUT_DIR := $$($1_OUTPUT_DIR)/$$($1_OUTPUT_SUBDIR), \
-        LANG := C, \
         CFLAGS := $$($1_CFLAGS) $$($1_CFLAGS_$$($1_PREFIX)$$(name)), \
         LDFLAGS := $$($1_LDFLAGS) $$($1_LDFLAGS_$$($1_PREFIX)$$(name)), \
         LIBS := $$($1_LIBS_$$($1_PREFIX)$$(name)), \