[PATCH 11/36] build: allow CFLAGS & friends from command line

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This allow distros or devs to override the default CFLAGS,
CPPFLAGS, LDFLAGS, ...

Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@xxxxxxxxx>
---
 Makefile | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Makefile b/Makefile
index 70a4156ed..fed392c8a 100644
--- a/Makefile
+++ b/Makefile
@@ -36,13 +36,13 @@ LLVM_CONFIG:=llvm-config
 HAVE_LLVM:=$(shell $(LLVM_CONFIG) --version >/dev/null 2>&1 && echo 'yes')
 
 GCC_BASE := $(shell $(CC) --print-file-name=)
-CFLAGS += -DGCC_BASE=\"$(GCC_BASE)\"
+cflags += -DGCC_BASE=\"$(GCC_BASE)\"
 
 MULTIARCH_TRIPLET := $(shell $(CC) -print-multiarch 2>/dev/null)
-CFLAGS += -DMULTIARCH_TRIPLET=\"$(MULTIARCH_TRIPLET)\"
+cflags += -DMULTIARCH_TRIPLET=\"$(MULTIARCH_TRIPLET)\"
 
 ifeq ($(HAVE_GCC_DEP),yes)
-CFLAGS += -Wp,-MD,$(@D)/.$(@F).d
+cflags += -Wp,-MD,$(@D)/.$(@F).d
 endif
 
 DESTDIR=
-- 
2.14.0

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