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Build using thinlto on non stretch, xenial and trusty (fails with some undef symbols)

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This commit is contained in:
Sylvestre Ledru 2019-05-20 10:36:23 +02:00
parent 1957457e37
commit 5e9b72aba2
2 changed files with 8 additions and 2 deletions
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3
debian/changelog vendored
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@ -1,6 +1,7 @@
llvm-toolchain-8 (1:8.0.1~+rc1-1~exp2) experimental; urgency=medium
* Use ThinLTO for the build
* Build using thinlto on non stretch, xenial and trusty
(fails with some undef symbols)
Option -DLLVM_ENABLE_LTO="Thin" added
* WebAssembly is now build by default, remove it from the
experimental list

7
debian/rules vendored
View File

@ -26,6 +26,8 @@ ifneq (,$(filter parallel=%,$(subst $(COMMA), ,$(DEB_BUILD_OPTIONS))))
endif
VENDOR=$(shell lsb_release -is)
DISTRO=$(shell lsb_release -sc)
DH_VERSION := $(shell dpkg -s debhelper | grep '^Version' | awk '{print $$2}')
DEB_HOST_MULTIARCH ?= $(shell dpkg-architecture -qDEB_HOST_MULTIARCH)
@ -220,7 +222,10 @@ ifneq (,$(filter $(DEB_HOST_ARCH_OS),linux))
endif
# Use thinlto for the link phase
CMAKE_EXTRA += -DLLVM_ENABLE_LTO="Thin"
if test ! "$DISTRO" = "stretch" -a ! "$DISTRO" = "xenial" -a ! "$DISTRO" = "trusty"; then
# Don't enable for old distros
CMAKE_EXTRA += -DLLVM_ENABLE_LTO="Thin"
endif
DH_OPTIONS=
OCAML_ENABLE= no