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Increase the link performance

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Signed-off-by: Paulchen-Panther <Paulchen-Panter@protonmail.com>
This commit is contained in:
Paulchen-Panther 2019-05-26 20:12:50 +02:00
parent 2916948465
commit 140d841404
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GPG Key ID: 84E3B692456B6840
2 changed files with 20 additions and 0 deletions
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3
CMakeLists.txt
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@ -247,6 +247,9 @@ else()
message(STATUS "No support for C++11 detected. Compilation will most likely fail on your compiler") message(STATUS "No support for C++11 detected. Compilation will most likely fail on your compiler")
endif() endif()
# Use GNU gold linker if available
include (${CMAKE_CURRENT_SOURCE_DIR}/cmake/LDGold.cmake)
# setup -rpath to search for shared libs in BINARY/../libs folder # setup -rpath to search for shared libs in BINARY/../libs folder
if (UNIX AND NOT APPLE) if (UNIX AND NOT APPLE)
SET(CMAKE_SKIP_BUILD_RPATH FALSE) SET(CMAKE_SKIP_BUILD_RPATH FALSE)

17
cmake/LDGold.cmake Normal file
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@ -0,0 +1,17 @@
option(ENABLE_LDGOLD "Use GNU gold linker" ON)
set(LDGOLD_FOUND FALSE)
if(ENABLE_LDGOLD)
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 "${CMAKE_EXE_LINKER_FLAGS} -fuse-ld=gold")
set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fuse-ld=gold")
set(LDGOLD_FOUND TRUE)
message(STATUS "Linker: GNU gold")
else()
message(WARNING "GNU gold linker is not available, falling back to default system linker")
endif()
else()
message(STATUS "Linker: Default system linker")
endif()