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[CMake] Pass stage1 tools through to stage2 when building with LTO 

This was originally a hacky if(APPLE) block. Now that we have an option for enabling LTO, it is better to properly gate this.

llvm-svn: 260707
This commit is contained in:
Chris Bieneman 2016-02-12 19:06:12 +00:00
parent 4acff96646
commit 1e8d80e79c
1 changed files with 6 additions and 2 deletions
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8
clang/CMakeLists.txt
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@ -677,11 +677,15 @@ if (CLANG_ENABLE_BOOTSTRAP)
# If on Darwin we need to make bootstrap depend on LTO and pass
# DARWIN_LTO_LIBRARY so that -flto will work using the just-built compiler
if(APPLE)
if(BOOTSTRAP_LLVM_ENABLE_LTO OR LLVM_ENABLE_LTO)
set(LTO_DEP LTO llvm-ar llvm-ranlib)
set(LTO_LIBRARY -DDARWIN_LTO_LIBRARY=${LLVM_SHLIB_OUTPUT_INTDIR}/libLTO.dylib)
set(LTO_AR -DCMAKE_AR=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-ar)
set(LTO_RANLIB -DCMAKE_RANLIB=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-ranlib)
if(APPLE)
set(LTO_LIBRARY -DDARWIN_LTO_LIBRARY=${LLVM_SHLIB_OUTPUT_INTDIR}/libLTO.dylib)
elseif(NOT WIN32)
list(APPEND LTO_DEP LLVMgold)
endif()
endif()
add_custom_target(${NEXT_CLANG_STAGE}-clear