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argtable3: Workaroud a clang warning

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cf. 7704006f3c
This commit is contained in:
YAMAMOTO Takashi 2021-06-17 13:33:27 +09:00 committed by Alin Jerpelea
parent bde687bac0
commit d46b477e2c
1 changed files with 11 additions and 0 deletions
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11
system/argtable3/Makefile
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@ -31,6 +31,17 @@ VPATH += :$(ARGTABLE3_SRCDIR)
CFLAGS += ${shell $(DEFINE) "$(CC)" ARG_REPLACE_GETOPT=0}
CSRCS := $(notdir $(wildcard $(ARGTABLE3_SRCDIR)$(DELIM)*.c))
# workaround for clang.
#
# argtable3/src/arg_rex.c:100:104: error: unknown attribute 'optimize' ignored [-Werror,-Wunknown-attributes]
# TREX_API TRex* trex_compile(const TRexChar* pattern, const TRexChar** error, int flags) __attribute__((optimize(0)));
#
# the upstream fix:
# https://github.com/argtable/argtable3/commit/7704006f3cbb556e11da80a5b97469075a32892e
ifneq "$(shell $(CC) --version | grep clang)" ""
CFLAGS += -Wno-unknown-attributes
endif
$(ARGTABLE3_TARBALL):
$(Q) echo "Downloading argtable3-$(ARGTABLE3_VERSION)"
$(Q) echo "$(ARGTABLE3_SRCDIR)"