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cmake: use gold linker if available

This commit is contained in:
Daniel Agar 2019-10-01 14:31:39 -04:00
parent 3687677095
commit 5126e6ea61
1 changed files with 19 additions and 0 deletions
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19
CMakeLists.txt
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@ -208,6 +208,25 @@ endif()
#=============================================================================
# gold linker - use if available
include(CMakeDependentOption)
CMAKE_DEPENDENT_OPTION(USE_LD_GOLD
"Use GNU gold linker" ON
"NOT WIN32;NOT APPLE" OFF
)
if(USE_LD_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_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fuse-ld=gold")
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -fuse-ld=gold")
else()
set(USE_LD_GOLD OFF)
endif()
endif()
#=============================================================================
# Setup install paths
if (${PX4_PLATFORM} STREQUAL "posix")