diff options
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 8 |
1 files changed, 7 insertions, 1 deletions
@@ -275,6 +275,12 @@ endif CXX11_CHECK_CMD = $(CXX) -std=c++11 -o $(TMPOUT) -c test/build/c++11.cc HAS_CXX11 = $(shell $(CXX11_CHECK_CMD) 2> /dev/null && echo true || echo false) +CHECK_SHADOW_WORKS_CMD = $(CC) -std=c99 -Werror -Wshadow -o $(TMPOUT) -c test/build/shadow.c +HAS_WORKING_SHADOW = $(shell $(CHECK_SHADOW_WORKS_CMD) 2> /dev/null && echo true || echo false) +ifeq ($(HAS_WORKING_SHADOW),true) +W_SHADOW=-Wshadow +endif + CHECK_NO_SHIFT_NEGATIVE_VALUE_CMD = $(CC) -std=c99 -Werror -Wno-shift-negative-value -o $(TMPOUT) -c test/build/empty.c HAS_NO_SHIFT_NEGATIVE_VALUE = $(shell $(CHECK_NO_SHIFT_NEGATIVE_VALUE_CMD) 2> /dev/null && echo true || echo false) ifeq ($(HAS_NO_SHIFT_NEGATIVE_VALUE),true) @@ -295,7 +301,7 @@ ifdef EXTRA_DEFINES DEFINES += $(EXTRA_DEFINES) endif -CFLAGS += -std=c99 -Wsign-conversion -Wconversion -Wshadow +CFLAGS += -std=c99 -Wsign-conversion -Wconversion $(W_SHADOW) ifeq ($(HAS_CXX11),true) CXXFLAGS += -std=c++11 else |