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| author | Nico Weber <nicolasweber@gmx.de> | 2013-12-30 03:36:05 +0000 |
|---|---|---|
| committer | Nico Weber <nicolasweber@gmx.de> | 2013-12-30 03:36:05 +0000 |
| commit | 94d1e67cb555f544252a88235a33a2caa378ae63 (patch) | |
| tree | 4be0932b346f0fae5544dcd3074f47bb1bd26cf3 /cmake/modules/AddLLVM.cmake | |
| parent | 0661cbefb3c3544b50dd3b7ee6e81113a92e389d (diff) | |
| download | llvm-94d1e67cb555f544252a88235a33a2caa378ae63.tar.gz llvm-94d1e67cb555f544252a88235a33a2caa378ae63.tar.bz2 llvm-94d1e67cb555f544252a88235a33a2caa378ae63.tar.xz | |
Port r198087 and r198089 (strip dead code by default) from make to cmake.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198198 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'cmake/modules/AddLLVM.cmake')
| -rw-r--r-- | cmake/modules/AddLLVM.cmake | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/cmake/modules/AddLLVM.cmake b/cmake/modules/AddLLVM.cmake index 3d0c53d1eb..6840cfca81 100644 --- a/cmake/modules/AddLLVM.cmake +++ b/cmake/modules/AddLLVM.cmake @@ -76,10 +76,30 @@ function(add_llvm_symbol_exports target_name export_file) add_dependencies(${target_name} ${target_name}_exports) endfunction(add_llvm_symbol_exports) +function(add_dead_strip target_name) + if(NOT CYGWIN AND NOT MINGW) + if(NOT ${CMAKE_SYSTEM_NAME} MATCHES "Darwin") + SET(CMAKE_CXX_FLAGS + "${CMAKE_CXX_FLAGS} -ffunction-sections -fdata-sections" + PARENT_SCOPE) + endif() + endif() + if(NOT LLVM_NO_DEAD_STRIP) + if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin") + set_property(TARGET ${target_name} APPEND_STRING PROPERTY + LINK_FLAGS " -Wl,-dead_strip") + elseif(NOT WIN32) + set_property(TARGET ${target_name} APPEND_STRING PROPERTY + LINK_FLAGS " -Wl,--gc-sections") + endif() + endif() +endfunction(add_dead_strip) + macro(add_llvm_library name) llvm_process_sources( ALL_FILES ${ARGN} ) add_library( ${name} ${ALL_FILES} ) set_property( GLOBAL APPEND PROPERTY LLVM_LIBS ${name} ) + add_dead_strip( ${name} ) if( LLVM_COMMON_DEPENDS ) add_dependencies( ${name} ${LLVM_COMMON_DEPENDS} ) endif( LLVM_COMMON_DEPENDS ) @@ -137,6 +157,7 @@ ${name} ignored.") add_library( ${name} ${libkind} ${ALL_FILES} ) set_target_properties( ${name} PROPERTIES PREFIX "" ) + add_dead_strip( ${name} ) if (LLVM_EXPORTED_SYMBOL_FILE) add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} ) @@ -173,6 +194,7 @@ macro(add_llvm_executable name) else() add_executable(${name} ${ALL_FILES}) endif() + add_dead_strip( ${name} ) if (LLVM_EXPORTED_SYMBOL_FILE) add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} ) |