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Fail the build if the arch + gcc has a broken gsplit-dwarf support

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This commit is contained in:
Sylvestre Ledru 2017-09-03 13:13:51 +00:00
parent b8d0ce6a1f
commit 2a49c03983
2 changed files with 4 additions and 1 deletions
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1
debian/changelog vendored
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@ -3,6 +3,7 @@ llvm-toolchain-snapshot (1:6.0~svn311834-2) unstable; urgency=medium
* Fix the FTBFS because of -gsplit-dwarf:
- Only enable it on archs which needs it
- Only enable it when gcc supports it correctly
* Fail the build if the arch + gcc has a broken gsplit-dwarf support
-- Sylvestre Ledru <sylvestre@debian.org> Thu, 31 Aug 2017 19:14:53 +0200

4
debian/rules vendored
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@ -34,7 +34,7 @@ ifneq (,$(filter $(DEB_HOST_ARCH),powerpc powerpcspe))
LDFLAGS_EXTRA += -latomic
endif
ENABLE_SPLIT_DWARF_ARCHS := armel armhf i386 mips powerpc
ENABLE_SPLIT_DWARF_ARCHS := armel armhf i386 mips powerpc amd64
# Only enable gsplit dwarf on archs which needs it
ifneq (,$(filter $(DEB_HOST_ARCH),$(ENABLE_SPLIT_DWARF_ARCHS)))
ifeq ($(shell dpkg --compare-versions $(shell dpkg-query -W -f '$${Version}' binutils) ge 2.22.52.0.4 ; echo $$?),0)
@ -45,6 +45,8 @@ ifeq ($(shell dpkg --compare-versions $(shell dpkg-query -W -f '$${Version}' g++
# Only pass -gsplit-dwarf with working version of gcc 7
# More: https://bugs.llvm.org/show_bug.cgi?id=34140 & https://bugs.debian.org/873609
CXXFLAGS_EXTRA += -gsplit-dwarf
else
$(error "Broken gcc version for -gsplit-dwarf support. Please use gcc 7 or > 7.2.0-2")
endif # < gcc 7 or > 7.2.0-2
endif # binutils
endif # archs