[llvm] r296850 - Revert r296730, "cmake: Configure the ThinLTO cache directory when using ELF lld or gold."
Peter Collingbourne via llvm-commits
llvm-commits at lists.llvm.org
Thu Mar 2 18:00:22 PST 2017
Author: pcc
Date: Thu Mar 2 20:00:22 2017
New Revision: 296850
URL: http://llvm.org/viewvc/llvm-project?rev=296850&view=rev
Log:
Revert r296730, "cmake: Configure the ThinLTO cache directory when using ELF lld or gold."
Causes a build failure on the clang-with-thin-lto-ubuntu bot.
http://lab.llvm.org:8011/builders/clang-with-thin-lto-ubuntu/builds/2117/steps/build-stage3-compiler/logs/stdio
Modified:
llvm/trunk/cmake/modules/HandleLLVMOptions.cmake
Modified: llvm/trunk/cmake/modules/HandleLLVMOptions.cmake
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/cmake/modules/HandleLLVMOptions.cmake?rev=296850&r1=296849&r2=296850&view=diff
==============================================================================
--- llvm/trunk/cmake/modules/HandleLLVMOptions.cmake (original)
+++ llvm/trunk/cmake/modules/HandleLLVMOptions.cmake Thu Mar 2 20:00:22 2017
@@ -715,20 +715,11 @@ if(uppercase_LLVM_ENABLE_LTO STREQUAL "T
if(NOT LINKER_IS_LLD_LINK)
append("-flto=thin" CMAKE_EXE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS)
endif()
- # If the linker supports it, enable the lto cache. This improves initial build
- # time a little since we re-link a lot of the same objects, and significantly
- # improves incremental build time.
- # FIXME: We should move all this logic into the clang driver.
- if(APPLE)
- append("-Wl,-cache_path_lto,${PROJECT_BINARY_DIR}/lto.cache"
- CMAKE_EXE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS)
- elseif(UNIX AND LLVM_USE_LINKER STREQUAL "lld")
- append("-Wl,--thinlto-cache-dir=${PROJECT_BINARY_DIR}/lto.cache"
- CMAKE_EXE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS)
- elseif(LLVM_USE_LINKER STREQUAL "gold")
- append("-Wl,--plugin-opt,cache-dir=${PROJECT_BINARY_DIR}/lto.cache"
- CMAKE_EXE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS)
- endif()
+ # On darwin, enable the lto cache. This improves initial build time a little
+ # since we re-link a lot of the same objects, and significantly improves
+ # incremental build time.
+ append_if(APPLE "-Wl,-cache_path_lto,${PROJECT_BINARY_DIR}/lto.cache"
+ CMAKE_EXE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS)
elseif(uppercase_LLVM_ENABLE_LTO STREQUAL "FULL")
append("-flto=full" CMAKE_CXX_FLAGS CMAKE_C_FLAGS)
if(NOT LINKER_IS_LLD_LINK)
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