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[modules] Centralize the module cache.

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This reduces the build size from 17G to 1.9G on my machine.

llvm-svn: 282704
This commit is contained in:
Vassil Vassilev 2016-09-29 08:14:06 +00:00
parent e3a9100e63
commit acf2d9e28c
1 changed files with 1 additions and 1 deletions
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2
cmake/modules/HandleLLVMOptions.cmake
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@ -475,7 +475,7 @@ elseif( LLVM_COMPILER_IS_GCC_COMPATIBLE )
endif()
if (LLVM_ENABLE_MODULES)
set(OLD_CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS})
set(module_flags "-fmodules -fmodules-cache-path=module.cache")
set(module_flags "-fmodules -fmodules-cache-path=${PROJECT_BINARY_DIR}/module.cache")
if (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
# On Darwin -fmodules does not imply -fcxx-modules.
set(module_flags "${module_flags} -fcxx-modules")