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More reliable and consistent method of cancelling -Werror* 

Adding -Wno-error is more reliable and simple than trying to modify existing
flags. We've been using this in Debian already for the past few releases.
Making this change also encourages future maintainers towards "best practises".
Also take the opportunity to use the same method at all places in the file.
This commit is contained in:
Angus Lees 2016-01-24 21:07:47 +11:00 committed by Ximin Luo
parent d31d8a9a91
commit 7fdb9fd941
1 changed files with 2 additions and 2 deletions
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4
mk/rt.mk
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@ -253,7 +253,7 @@ COMPRT_AR_$(1) := $$(AR_$(1))
# We chomp -Werror here because GCC warns about the type signature of
# builtins not matching its own and the build fails. It's a bit hacky,
# but what can we do, we're building libclang-rt using GCC ......
COMPRT_CFLAGS_$(1) := $$(filter-out -Werror -Werror=*,$$(CFG_GCCISH_CFLAGS_$(1))) -std=c99
COMPRT_CFLAGS_$(1) := $$(CFG_GCCISH_CFLAGS_$(1)) -Wno-error -std=c99
# FreeBSD Clang's packaging is problematic; it doesn't copy unwind.h to
# the standard include directory. This should really be in our changes to
@ -361,7 +361,7 @@ $$(BACKTRACE_BUILD_DIR_$(1))/Makefile: $$(BACKTRACE_DEPS) $$(MKFILE_DEPS)
CC="$$(CC_$(1))" \
AR="$$(AR_$(1))" \
RANLIB="$$(AR_$(1)) s" \
CFLAGS="$$(CFG_GCCISH_CFLAGS_$(1):-Werror=) -fno-stack-protector" \
CFLAGS="$$(CFG_GCCISH_CFLAGS_$(1)) -Wno-error -fno-stack-protector" \
$(S)src/libbacktrace/configure --build=$(CFG_GNU_TRIPLE_$(CFG_BUILD)) --host=$(CFG_GNU_TRIPLE_$(1)))
$$(Q)echo '#undef HAVE_ATOMIC_FUNCTIONS' >> \
$$(BACKTRACE_BUILD_DIR_$(1))/config.h