Cherry-pick mips and mipsel build fix from 7 branch

This commit is contained in:
Gianfranco Costamagna 2018-10-16 10:58:52 +02:00
parent c91f278d27
commit 1f3c14f3bc
2 changed files with 10 additions and 16 deletions

5
debian/changelog vendored
View File

@ -1,5 +1,6 @@
llvm-toolchain-snapshot (1:8~svn342269-2) UNRELEASED; urgency=medium
[ Sylvestre Ledru ]
* Remove bat files https://bugs.llvm.org/show_bug.cgi?id=30755
* Fix the autopkgtest script (no gcc in the test)
* remove dep from lld to llvm-8-dev because lld
@ -12,6 +13,10 @@ llvm-toolchain-snapshot (1:8~svn342269-2) UNRELEASED; urgency=medium
* Install bash-completion for clang
* Disable ocaml on armel
[ Gianfranco Costamagna ]
* Take option two in bug #877567 to fix FTBFS on mips and mipsel
-- Sylvestre Ledru <sylvestre@debian.org> Fri, 21 Sep 2018 22:48:47 +0200
llvm-toolchain-7 (1:7-5) unstable; urgency=medium

21
debian/rules vendored
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@ -49,22 +49,6 @@ endif
# Cxx flags for building libcxx and libcxxabi
LIBCXXFLAGS := $(shell dpkg-buildflags --get CXXFLAGS) $(shell dpkg-buildflags --get CPPFLAGS)
# Only enable gsplit dwarf on archs which needs it (32 bits)
ifeq ($(DEB_HOST_ARCH_BITS),32)
ifeq ($(shell dpkg --compare-versions $(shell dpkg-query -W -f '$${Version}' binutils) ge 2.22.52.0.4 ; echo $$?),0)
# when using -gsplit-dwarf, it will requires extract-dwo which doesn't exist on precise:
# More: https://llvm.org/bugs/show_bug.cgi?id=28841
ifeq ($(shell dpkg --compare-versions $(shell dpkg-query -W -f '$${Version}' g++-$(GCC_VERSION)) lt 7.1.0-7~ || \
dpkg --compare-versions $(shell dpkg-query -W -f '$${Version}' g++-$(GCC_VERSION)) ge 7.2.0-2; echo $$?),0)
# Only pass -gsplit-dwarf with working version of gcc 7
# More: https://bugs.llvm.org/show_bug.cgi?id=34140 & https://bugs.debian.org/873609
CXXFLAGS_EXTRA += -gsplit-dwarf
else
$(error "Broken gcc version for -gsplit-dwarf support. Please use < gcc 7 or >= 7.2.0-2")
endif # < gcc 7 or >= 7.2.0-2
endif # binutils
endif # archs
ifeq ($(shell dpkg --compare-versions $(shell dpkg-query -W -f '$${Version}' g++-$(GCC_VERSION)) lt 4.9-20140411-1~ ; echo $$?),0)
# Too old version of gcc. Force 4.9
GCC_VERSION := 4.9
@ -75,6 +59,11 @@ export CXX=g++-$(GCC_VERSION)
opt_flags = -O2 -DNDEBUG
# Only enable g1 on archs which needs it (it fixes an OOM during dh_strip due to huge symbols)
ifeq ($(DEB_HOST_ARCH_BITS),32)
opt_flags += -g1
endif
ifneq (,$(findstring $(DEB_HOST_ARCH),armel))
opt_flags += -marm
# 3.8 fails to build, disable the compiler_rt builtins