Alternative approach at compiler detection

Signed-off-by: falkTX <falktx@falktx.com>

Makefile.base.mk

@@ -35,7 +35,11 @@ DPF_MAKEFILE_BASE_INCLUDED = true
 # ---------------------------------------------------------------------------------------------------------------------
 # Auto-detect target compiler if not defined
 
+ifeq ($(shell echo '\#test' | grep -- '\#test'),\#test)
 TARGET_COMPILER = $(shell echo '\#ifdef __clang__\nclang\n\#else\ngcc\n\#endif' | $(CC) -E -P -x c - 2>/dev/null)
+else
+TARGET_COMPILER = $(shell echo '#ifdef __clang__\nclang\n#else\ngcc\n#endif' | $(CC) -E -P -x c - 2>/dev/null)
+endif
 
 ifneq ($(CLANG),true)
 ifneq ($(GCC),true)