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When building with LLVM_ENABLE_MODULES, put the module cache into the build

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directory. This is important for build bots to avoid filling up /tmp.

llvm-svn: 266571
This commit is contained in:
Richard Smith 2016-04-17 20:58:01 +00:00
parent 1602d253b9
commit 8417406355
1 changed files with 18 additions and 19 deletions
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37
cmake/modules/HandleLLVMOptions.cmake
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@ -139,25 +139,6 @@ function(add_flag_or_print_warning flag name)
endif() endif()
endfunction() endfunction()
if (LLVM_ENABLE_MODULES)
set(OLD_CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS})
set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -fmodules -Xclang -fmodules-local-submodule-visibility")
# Check that we can build code with modules enabled, and that repeatedly
# including <cassert> still manages to respect NDEBUG properly.
CHECK_CXX_SOURCE_COMPILES("#undef NDEBUG
#include <cassert>
#define NDEBUG
#include <cassert>
int main() { assert(this code is not compiled); }"
CXX_SUPPORTS_MODULES)
set(CMAKE_REQUIRED_FLAGS ${OLD_CMAKE_REQUIRED_FLAGS})
if (CXX_SUPPORTS_MODULES)
append_if(CXX_SUPPORTS_MODULES "-fmodules -Xclang -fmodules-local-submodule-visibility" CMAKE_CXX_FLAGS)
else()
message(FATAL_ERROR "LLVM_ENABLE_MODULES is not supported by this compiler")
endif()
endif(LLVM_ENABLE_MODULES)
if( LLVM_ENABLE_PIC ) if( LLVM_ENABLE_PIC )
if( XCODE ) if( XCODE )
# Xcode has -mdynamic-no-pic on by default, which overrides -fPIC. I don't # Xcode has -mdynamic-no-pic on by default, which overrides -fPIC. I don't
@ -490,6 +471,24 @@ elseif( LLVM_COMPILER_IS_GCC_COMPATIBLE )
message(FATAL_ERROR "LLVM requires C++11 support but the '-std=c++11' flag isn't supported.") message(FATAL_ERROR "LLVM requires C++11 support but the '-std=c++11' flag isn't supported.")
endif() endif()
endif() endif()
if (LLVM_ENABLE_MODULES)
set(OLD_CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS})
set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -fmodules -Xclang -fmodules-local-submodule-visibility -fmodules-cache-path=module.cache")
# Check that we can build code with modules enabled, and that repeatedly
# including <cassert> still manages to respect NDEBUG properly.
CHECK_CXX_SOURCE_COMPILES("#undef NDEBUG
#include <cassert>
#define NDEBUG
#include <cassert>
int main() { assert(this code is not compiled); }"
CXX_SUPPORTS_MODULES)
set(CMAKE_REQUIRED_FLAGS ${OLD_CMAKE_REQUIRED_FLAGS})
if (CXX_SUPPORTS_MODULES)
append_if(CXX_SUPPORTS_MODULES "-fmodules -Xclang -fmodules-local-submodule-visibility -fmodules-cache-path=module.cache" CMAKE_CXX_FLAGS)
else()
message(FATAL_ERROR "LLVM_ENABLE_MODULES is not supported by this compiler")
endif()
endif(LLVM_ENABLE_MODULES)
endif( MSVC ) endif( MSVC )
macro(append_common_sanitizer_flags) macro(append_common_sanitizer_flags)