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disable the thinlto build

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This commit is contained in:
Sylvestre Ledru 2020-02-04 23:26:09 +01:00
parent c866dd8a6e
commit 44aa60f621
2 changed files with 13 additions and 1 deletions
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6
debian/changelog vendored
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@ -8,6 +8,12 @@ llvm-toolchain-10 (1:10.0.0~+rc1-1~exp1) experimental; urgency=medium
[ Sylvestre Ledru ]
* First RC release
* For now, disable ThinLTO usage because:
- LLVM_ENABLE_LTO doesn't work with gcc >= 9 (option not accepted)
- BOOTSTRAP_LLVM_ENABLE_LTO is producing some large binary
(uses llvm ir instead of binary code)
See https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=943623
* Thanks to this previous change, don't hardcode gcc 8
-- Sylvestre Ledru <sylvestre@debian.org> Mon, 03 Feb 2020 10:30:50 +0100

8
debian/rules vendored
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@ -235,7 +235,13 @@ ifneq (,$(filter $(DEB_HOST_ARCH),$(BINUTILS_GOLD_ARCHS)))
# armhf is not yet quite ready for Thin, it FTBFS
# see https://buildd.debian.org/status/fetch.php?pkg=llvm-toolchain-8&arch=armhf&ver=1%3A8.0.1%7E%2Brc2-1%7Eexp1&stamp=1560334266&raw=0
ifeq (,$(filter $(DEB_HOST_ARCH), armhf))
CMAKE_EXTRA += -DLLVM_ENABLE_LTO="Thin"
# Use BOOTSTRAP_LLVM_ENABLE_LTO to make sure that it isn't used
# when running stage1 with gcc
# For now, disable ThinLTO usage because:
# * LLVM_ENABLE_LTO doesn't work with gcc >= 9 (option not accepted)
# * BOOTSTRAP_LLVM_ENABLE_LTO is producing some large binary
# See https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=943623
# CMAKE_EXTRA += -DBOOTSTRAP_LLVM_ENABLE_LTO="Thin"
endif
endif
endif