# find out CLANG version
-CLANG_MAJOR_VERSION = $(shell $(CC) -dumpversion | cut -f1 -d.)
+CLANG_VERSION := $(shell $(CC) -v 2>&1 | grep version | sed "s/.*version \([0-9]*\.[0-9]*\).*/\1/")
-CLANG_MINOR_VERSION = $(shell $(CC) -dumpversion | cut -f2 -d.)
+CLANG_MAJOR_VERSION := $(shell echo $(CLANG_VERSION) | cut -f1 -d.)
+
+CLANG_MINOR_VERSION := $(shell echo $(CLANG_VERSION) | cut -f2 -d.)