diff options
| author |  Craig Tiller <ctiller@google.com> | 2016-02-23 16:50:24 -0800 |
|---|---|---|
| committer | Craig Tiller <ctiller@google.com> | 2016-02-23 17:06:04 -0800 |
| commit | 804b85534be9ecf9f64da56b9ca46ca5f2eb6211 (patch) | |
| tree | 849c41ca4349f9744a9b4ef00de6cf0518e5639f /templates | |
| parent | b79c1e112e576cfc9cdbeb95320ba7bb71848887 (diff) | |
Test for a working -Wshadow
Diffstat (limited to 'templates')
| -rw-r--r-- | templates/Makefile.template | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/templates/Makefile.template b/templates/Makefile.template index 453cb45ffd..c54c146620 100644 --- a/templates/Makefile.template +++ b/templates/Makefile.template @@ -187,6 +187,12 @@ 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) @@ -207,7 +213,7 @@ 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 |