[llvm] r274244 - [CMake] Add an LLVM_ENABLE_MODULE_DEBUGGING flag for building with -gmodules.
Adrian Prantl via llvm-commits
llvm-commits at lists.llvm.org
Thu Jun 30 10:15:44 PDT 2016
Author: adrian
Date: Thu Jun 30 12:15:44 2016
New Revision: 274244
URL: http://llvm.org/viewvc/llvm-project?rev=274244&view=rev
Log:
[CMake] Add an LLVM_ENABLE_MODULE_DEBUGGING flag for building with -gmodules.
This flag is only effective in builds with debug info and modules.
The default is On for Darwin only.
rdar://problem/27019000
Modified:
llvm/trunk/CMakeLists.txt
llvm/trunk/cmake/modules/HandleLLVMOptions.cmake
Modified: llvm/trunk/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/CMakeLists.txt?rev=274244&r1=274243&r2=274244&view=diff
==============================================================================
--- llvm/trunk/CMakeLists.txt (original)
+++ llvm/trunk/CMakeLists.txt Thu Jun 30 12:15:44 2016
@@ -284,8 +284,10 @@ option(LLVM_ENABLE_PIC "Build Position-I
option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON)
option(LLVM_ENABLE_MODULES "Compile with C++ modules enabled." OFF)
if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
+ option(LLVM_ENABLE_MODULE_DEBUGGING "Compile with -gmodules." ON)
option(LLVM_ENABLE_LOCAL_SUBMODULE_VISIBILITY "Compile with -fmodules-local-submodule-visibility." OFF)
else()
+ option(LLVM_ENABLE_MODULE_DEBUGGING "Compile with -gmodules." OFF)
option(LLVM_ENABLE_LOCAL_SUBMODULE_VISIBILITY "Compile with -fmodules-local-submodule-visibility." ON)
endif()
option(LLVM_ENABLE_CXX1Y "Compile with C++1y enabled." OFF)
Modified: llvm/trunk/cmake/modules/HandleLLVMOptions.cmake
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/cmake/modules/HandleLLVMOptions.cmake?rev=274244&r1=274243&r2=274244&view=diff
==============================================================================
--- llvm/trunk/cmake/modules/HandleLLVMOptions.cmake (original)
+++ llvm/trunk/cmake/modules/HandleLLVMOptions.cmake Thu Jun 30 12:15:44 2016
@@ -473,6 +473,11 @@ elseif( LLVM_COMPILER_IS_GCC_COMPATIBLE
if (LLVM_ENABLE_LOCAL_SUBMODULE_VISIBILITY)
set(module_flags "${module_flags} -Xclang -fmodules-local-submodule-visibility")
endif()
+ if (LLVM_ENABLE_MODULE_DEBUGGING AND
+ ((uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG") OR
+ (uppercase_CMAKE_BUILD_TYPE STREQUAL "RELWITHDEBINFO")))
+ set(module_flags "${module_flags} -gmodules")
+ endif()
set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${module_flags}")
# Check that we can build code with modules enabled, and that repeatedly
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