diff options
Diffstat (limited to 'make_helpers/cflags.mk')
| -rw-r--r-- | make_helpers/cflags.mk | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/make_helpers/cflags.mk b/make_helpers/cflags.mk index 3aacd4659..d00c8e17d 100644 --- a/make_helpers/cflags.mk +++ b/make_helpers/cflags.mk @@ -52,8 +52,6 @@ WARNING2 := $(WARNING1) WARNING2 += -Wold-style-definition WARNING2 += -Wmissing-prototypes WARNING2 += -Wmissing-format-attribute -# TF-A aims to comply with this eventually. Effort too large at present -WARNING2 += -Wundef # currently very involved and many platforms set this off WARNING2 += -Wunused-const-variable=2 @@ -69,6 +67,15 @@ WARNING3 += -Wpacked WARNING3 += -Wpointer-arith WARNING3 += -Wswitch-default +# The -Wundef cannot be easily handled through warning flags. +# This would bring warning for libs (compiler-rt, zlib). +# Instead add it to BL_FLAGS that is only used by MAKE_C macro. +# TODO: remove the W=1 check for -Wundef when all the related warnings +# are corrected. +ifeq ($(shell test $(W) -ge 1 && echo true),true) +BL_FLAGS += -Wundef +endif + cflags-common += $(WARNING$(W)) ifneq (${E},0) cflags-common += -Werror |