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Bug 1179805 - Add compatibility check for glibc version, like the one for libstdc++. r=mshal

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At the same time, make the test for libstdc++ more comprehensible.

--HG--
extra : commitid : FY4SOJob69k
extra : rebase_source : 15778a2080423666edeae78adb7a5b80925f6871
This commit is contained in:
Mike Hommey 2015-07-07 18:29:12 +09:00
parent 92615d28b8
commit e9170eaa5e
1 changed files with 30 additions and 3 deletions
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33
config/config.mk
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@ -624,10 +624,36 @@ EXPAND_MKSHLIB_ARGS += --symbol-order $(SYMBOL_ORDER)
endif
EXPAND_MKSHLIB = $(EXPAND_LIBS_EXEC) $(EXPAND_MKSHLIB_ARGS) -- $(MKSHLIB)
# $(call CHECK_SYMBOLS,lib,PREFIX,dep_name,test)
# Checks that the given `lib` doesn't contain dependency on symbols with a
# version starting with `PREFIX`_ and matching the `test`. `dep_name` is only
# used for the error message.
# `test` is an awk expression using the information in the variable `v` which
# contains a list of version items ([major, minor, ...]).
define CHECK_SYMBOLS
@$(TOOLCHAIN_PREFIX)readelf -sW $(1) | \
awk '$$8 ~ /@$(2)_/ { \
split($$8,a,"@"); \
split(a[2],b,"_"); \
split(b[2],v,"."); \
if ($(4)) { \
if (!found) { \
print "TEST-UNEXPECTED-FAIL | check_stdcxx | We do not want these $(3) symbols to be used:" \
} \
print " ",$$8; \
found=1 \
} \
} \
END { \
if (found) { \
exit(1) \
} \
}'
endef
ifneq (,$(MOZ_LIBSTDCXX_TARGET_VERSION)$(MOZ_LIBSTDCXX_HOST_VERSION))
ifneq ($(OS_ARCH),Darwin)
CHECK_STDCXX = @$(TOOLCHAIN_PREFIX)objdump -p $(1) | grep -e 'GLIBCXX_3\.4\.\(1[1-9]\|[2-9][0-9]\)' > /dev/null && echo 'TEST-UNEXPECTED-FAIL | check_stdcxx | We do not want these libstdc++ symbols to be used:' && $(TOOLCHAIN_PREFIX)objdump -T $(1) | grep -e 'GLIBCXX_3\.4\.\(1[1-9]\|[2-9][0-9]\)' && exit 1 || true
endif
CHECK_STDCXX = $(call CHECK_SYMBOLS,$(1),GLIBCXX,libstdc++,v[1] > 3 || (v[1] == 3 && v[2] == 4 && v[3] > 10))
CHECK_GLIBC = $(call CHECK_SYMBOLS,$(1),GLIBC,libc,v[1] > 2 || (v[1] == 2 && v[2] > 7))
endif
ifeq (,$(filter $(OS_TARGET),WINNT Darwin))
@ -643,6 +669,7 @@ CHECK_MOZGLUE_ORDER = @$(TOOLCHAIN_PREFIX)readelf -d $(1) | grep NEEDED | awk '{
endif
define CHECK_BINARY
$(call CHECK_GLIBC,$(1))
$(call CHECK_STDCXX,$(1))
$(call CHECK_TEXTREL,$(1))
$(call LOCAL_CHECKS,$(1))