llvm-project/llvm/cmake/modules/UseLibtool.cmake

51 lines
1.7 KiB
CMake

# if CMAKE_LIBTOOL is not set, try and find it with xcrun or find_program
if(NOT CMAKE_LIBTOOL)
if(NOT CMAKE_XCRUN)
find_program(CMAKE_XCRUN NAMES xcrun)
endif()
if(CMAKE_XCRUN)
execute_process(COMMAND ${CMAKE_XCRUN} -find libtool
OUTPUT_VARIABLE CMAKE_LIBTOOL
OUTPUT_STRIP_TRAILING_WHITESPACE)
endif()
if(NOT CMAKE_LIBTOOL OR NOT EXISTS CMAKE_LIBTOOL)
find_program(CMAKE_LIBTOOL NAMES libtool)
endif()
endif()
get_property(languages GLOBAL PROPERTY ENABLED_LANGUAGES)
if(CMAKE_LIBTOOL)
set(CMAKE_LIBTOOL ${CMAKE_LIBTOOL} CACHE PATH "libtool executable")
message(STATUS "Found libtool - ${CMAKE_LIBTOOL}")
execute_process(COMMAND ${CMAKE_LIBTOOL} -V
OUTPUT_VARIABLE LIBTOOL_V_OUTPUT
OUTPUT_STRIP_TRAILING_WHITESPACE)
if("${LIBTOOL_V_OUTPUT}" MATCHES ".*cctools-([0-9.]+).*")
string(REGEX REPLACE ".*cctools-([0-9.]+).*" "\\1" LIBTOOL_VERSION
${LIBTOOL_V_OUTPUT})
if(NOT LIBTOOL_VERSION VERSION_LESS "862")
set(LIBTOOL_NO_WARNING_FLAG "-no_warning_for_no_symbols")
endif()
endif()
foreach(lang ${languages})
set(CMAKE_${lang}_CREATE_STATIC_LIBRARY
"\"${CMAKE_LIBTOOL}\" -static ${LIBTOOL_NO_WARNING_FLAG} -o <TARGET> <LINK_FLAGS> <OBJECTS>")
endforeach()
endif()
# If DYLD_LIBRARY_PATH is set we need to set it on archiver commands
if(DYLD_LIBRARY_PATH)
set(dyld_envar "DYLD_LIBRARY_PATH=${DYLD_LIBRARY_PATH}")
foreach(lang ${languages})
foreach(cmd ${CMAKE_${lang}_CREATE_STATIC_LIBRARY})
list(APPEND CMAKE_${lang}_CREATE_STATIC_LIBRARY_NEW
"${dyld_envar} ${cmd}")
endforeach()
set(CMAKE_${lang}_CREATE_STATIC_LIBRARY
${CMAKE_${lang}_CREATE_STATIC_LIBRARY_NEW})
endforeach()
endif()