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[CMake] don't build libLTO when LLVM_ENABLE_PIC is OFF 

When cmake is run with -DLLVM_ENABLE_PIC=OFF, build fails while
linking shared library libLTO.so, because its dependencies are built
with -fno-PIC. More details here: https://llvm.org/bugs/show_bug.cgi?id=26484.
This diff reverts r252652 (git 9fd4377ddb83aee3c049dc8757e7771edbb8ee71),
which removed check NOT LLVM_ENABLE_PIC before disabling build for libLTO.so.

Patch by Igor Sugak!

Differential Revision: http://reviews.llvm.org/D17049

llvm-svn: 260703
This commit is contained in:
Hans Wennborg 2016-02-12 19:02:39 +00:00
parent 40b369cf5a
commit f6892eda24
1 changed files with 1 additions and 1 deletions
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2
llvm/tools/CMakeLists.txt
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@ -25,7 +25,7 @@ if(NOT LLVM_USE_INTEL_JITEVENTS )
set(LLVM_TOOL_LLVM_JITLISTENER_BUILD Off)
endif()
if(CYGWIN)
if(CYGWIN OR NOT LLVM_ENABLE_PIC)
set(LLVM_TOOL_LTO_BUILD Off)
set(LLVM_TOOL_LLVM_LTO_BUILD Off)
endif()