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CMake: Make ld.gold linker optional

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Some platforms are having hard time using this linker so added an option
to not use it. The options is an advanced one and enabled by default so
should not cause any changes for current users.
This commit is contained in:
Sergey Sharybin 2016-11-02 10:42:15 +01:00
parent 97a8cd6883
commit 83ebf501cd
2 changed files with 17 additions and 10 deletions
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6
CMakeLists.txt
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@ -508,6 +508,12 @@ mark_as_advanced(WITH_C11)
option(WITH_CXX11 "Build with C++11 standard enabled, for development use only!" ${_cxx11_init})
mark_as_advanced(WITH_CXX11)
# Compiler toolchain
if(CMAKE_COMPILER_IS_GNUCC)
option(WITH_LINKER_GOLD "Use ld.gold linker which is usually faster than ld.bfd" ON)
mark_as_advanced(WITH_LINKER_GOLD)
endif()
# Dependency graph
option(WITH_LEGACY_DEPSGRAPH "Build Blender with legacy dependency graph" ON)
mark_as_advanced(WITH_LEGACY_DEPSGRAPH)

21
build_files/cmake/platform/platform_unix.cmake
View File

@ -384,17 +384,18 @@ add_definitions(-D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE
if(CMAKE_COMPILER_IS_GNUCC)
set(PLATFORM_CFLAGS "-pipe -fPIC -funsigned-char -fno-strict-aliasing")
# use ld.gold linker if available, could make optional
execute_process(
COMMAND ${CMAKE_C_COMPILER} -fuse-ld=gold -Wl,--version
ERROR_QUIET OUTPUT_VARIABLE LD_VERSION)
if("${LD_VERSION}" MATCHES "GNU gold")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fuse-ld=gold")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fuse-ld=gold")
else()
message(STATUS "GNU gold linker isn't available, using the default system linker.")
if(WITH_LINKER_GOLD)
execute_process(
COMMAND ${CMAKE_C_COMPILER} -fuse-ld=gold -Wl,--version
ERROR_QUIET OUTPUT_VARIABLE LD_VERSION)
if("${LD_VERSION}" MATCHES "GNU gold")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fuse-ld=gold")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fuse-ld=gold")
else()
message(STATUS "GNU gold linker isn't available, using the default system linker.")
endif()
unset(LD_VERSION)
endif()
unset(LD_VERSION)
# CLang is the same as GCC for now.
elseif(CMAKE_C_COMPILER_ID MATCHES "Clang")