This makes it possible to pass in extra cflags, for example, hardening
flags could be passed in with environment variable when building a
hardened package.
Also introduce a CFLAGS_BASE to hold common CFLAGS, which simplify the
CFLAGS definition.
Suggested-by: Kazuhito Hagio <k-hagio@xxxxxxxxxxxxx>
Signed-off-by: Kairui Song <kasong@xxxxxxxxxx>
---
Update from V1:
- Use a CFLAGS_BASE to simplify CFLAGS definition
- Use immediate set rather than lazy set to avoid unexpected
flag duplication
Makefile | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/Makefile b/Makefile
index 612b9d0..bca9984 100644
--- a/Makefile
+++ b/Makefile
@@ -8,11 +8,10 @@ ifeq ($(strip $CC),)
CC = gcc
endif
-CFLAGS = -g -O2 -Wall -D_FILE_OFFSET_BITS=64 \
- -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE \
- -DVERSION='"$(VERSION)"' -DRELEASE_DATE='"$(DATE)"'
-CFLAGS_ARCH = -g -O2 -Wall -D_FILE_OFFSET_BITS=64 \
- -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE
+CFLAGS_BASE := $(CFLAGS) -g -O2 -Wall -D_FILE_OFFSET_BITS=64 \
+ -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE
+CFLAGS := $(CFLAGS_BASE) -DVERSION='"$(VERSION)"' -DRELEASE_DATE='"$(DATE)"'
+CFLAGS_ARCH := $(CFLAGS_BASE)
# LDFLAGS = -L/usr/local/lib -I/usr/local/include
HOST_ARCH := $(shell uname -m)
--
2.20.1
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