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set arm toolchain arch profiles explicitly to debian baselines as

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the target host triples alone are ambiguous and compiler defaults
and debian baselines may not align
This commit is contained in:
Erik Maciejewski 2021-10-22 15:50:03 -07:00
parent 6558504cac
commit b7363248b1
1 changed files with 8 additions and 4 deletions
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12
debian/rules vendored
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@ -127,12 +127,12 @@ export CXX=g++-$(GCC_VERSION)
opt_flags = -O2 -DNDEBUG -g1
ifneq (,$(findstring $(DEB_HOST_ARCH),armel))
# https://wiki.debian.org/ArmEabiPort
# since debian buster (10) armel baseline is 5T
STAGE_2_CFLAGS_EXTRA += -march=armv5t
STAGE_2_CXXFLAGS_EXTRA += -march=armv5t
STAGE_ALL_CMAKE_EXTRA += -DLLVM_HOST_TRIPLE=arm-linux-gnueabi
STAGE_ALL_CMAKE_EXTRA += -DCOMPILER_RT_DEFAULT_TARGET_ONLY=ON
# align arch profile with debian baseline
# https://wiki.debian.org/ArmEabiPort
CFLAGS_EXTRA += -march=armv5t
CXXFLAGS_EXTRA += -march=armv5t
# disable compiler-rt builtins (not supported for baseline armel arch: armv5t)
# See http://lists.llvm.org/pipermail/llvm-dev/2016-May/099761.html
STAGE_ALL_CMAKE_EXTRA += -DCOMPILER_RT_BUILD_BUILTINS=OFF
@ -144,6 +144,10 @@ endif
ifneq (,$(findstring $(DEB_HOST_ARCH),armhf))
STAGE_ALL_CMAKE_EXTRA += -DLLVM_HOST_TRIPLE=arm-linux-gnueabihf
STAGE_ALL_CMAKE_EXTRA += -DCOMPILER_RT_DEFAULT_TARGET_ONLY=ON
# align arch profile with debian baseline
# https://wiki.debian.org/ArmHardFloatPort#Minimum_CPU_.26_FPU
CFLAGS_EXTRA += -march=armv7-a -mfpu=vfpv3-d16
CXXFLAGS_EXTRA += -march=armv7-a -mfpu=vfpv3-d16
endif
ifneq (,$(filter $(DEB_HOST_ARCH),i386))