blob: 0ecb276c8fed8b3d379df00f1186f62ecf1cbd36 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
if(ENABLE_MOLD)
if(CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 12)
# GCC < 12 doesn't support -fuse-ld=mold, so we have to use tools prefix path
# if mold is installed in a non-standard dir, users can set -DMOLD_PREFIX=/path/to/mold_install_prefix
find_path(MOLD_PREFIX_DIR NAMES ld
NO_DEFAULT_PATH # this is needed, otherwise we find /usr/bin/ld
PATH_SUFFIXES libexec/mold
PATHS ${MOLD_PREFIX} /usr /usr/local)
if(MOLD_PREFIX_DIR)
set(COMPILER_ARGS "-B${MOLD_PREFIX_DIR}")
else()
message(WARNING "Mold LD path not found, you might need to set -DMOLD_PREFIX=/path/to/mold_install_prefix")
endif()
else()
set(COMPILER_ARGS "-fuse-ld=mold")
endif()
execute_process(COMMAND ${CMAKE_CXX_COMPILER} ${COMPILER_ARGS} -Wl,--version ERROR_QUIET OUTPUT_VARIABLE LD_VERSION)
if(LD_VERSION MATCHES "mold")
include(FindPackageHandleStandardArgs)
find_program(MOLD_EXECUTABLE mold)
find_package_handle_standard_args(MOLD REQUIRED_VARS MOLD_EXECUTABLE)
if(MOLD_FOUND)
set(CMAKE_LINKER ${MOLD_EXECUTABLE})
set(CMAKE_CXX_LINK_FLAGS ${COMPILER_ARGS})
set(CMAKE_C_LINK_FLAGS ${COMPILER_ARGS})
set(CMAKE_EXE_LINKER_FLAGS "${LD_FLAGS} ${COMPILER_ARGS}")
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS}")
set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS}")
message(STATUS "Linker: mold")
endif()
mark_as_advanced(MOLD_EXECUTABLE CMAKE_LINKER)
else()
message(FATAL_ERROR "Mold linker not found")
endif()
endif()
|
