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build: add option to use the gold linker #262

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Merged
merged 1 commit into from
Jun 28, 2017
Merged

build: add option to use the gold linker #262

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9 changes: 7 additions & 2 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -31,8 +31,13 @@ set(USE_LIBDISPATCH_INIT_CONSTRUCTOR ${ENABLE_DISPATCH_INIT_CONSTRUCTOR})

# TODO(compnerd) swift options

# TODO(compnerd) consider adding a flag for USE_GOLD_LINKER. Currently, we
# expect the user to specify `-fuse-ld=gold`
if(CMAKE_SYSTEM_NAME STREQUAL Linux OR
CMAKE_SYSTEM_NAME STREQUAL Android)
set(USE_GOLD_LINKER_DEFAULT ON)
else()
set(USE_GOLD_LINKER_DEFAULT OFF)
endif()
option(USE_GOLD_LINKER "use the gold linker" ${USE_GOLD_LINKER_DEFAULT})

option(ENABLE_THREAD_LOCAL_STORAGE "enable usage of thread local storage via __thread" ON)
set(DISPATCH_USE_THREAD_LOCAL_STORAGE ${ENABLE_THREAD_LOCAL_STORAGE})
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6 changes: 6 additions & 0 deletions src/CMakeLists.txt
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Expand Up @@ -179,6 +179,12 @@ if(CMAKE_SYSTEM_NAME STREQUAL Darwin)
"-Xlinker -dead_strip"
"-Xlinker -alias_list -Xlinker ${CMAKE_SOURCE_DIR}/xcodeconfig/libdispatch.aliases")
endif()
if(USE_GOLD_LINKER)
set_property(TARGET dispatch
APPEND_STRING
PROPERTY LINK_FLAGS
-fuse-ld=gold)
endif()

install(TARGETS
dispatch
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