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59 lines
2.1 KiB
59 lines
2.1 KiB
4 months ago
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# if CMAKE_LIBTOOL is not set, try and find it with xcrun or find_program
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if(NOT CMAKE_LIBTOOL)
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if(NOT CMAKE_XCRUN)
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find_program(CMAKE_XCRUN NAMES xcrun)
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endif()
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if(CMAKE_XCRUN)
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execute_process(COMMAND ${CMAKE_XCRUN} -find libtool
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OUTPUT_VARIABLE CMAKE_LIBTOOL
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OUTPUT_STRIP_TRAILING_WHITESPACE)
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endif()
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if(NOT CMAKE_LIBTOOL OR NOT EXISTS CMAKE_LIBTOOL)
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find_program(CMAKE_LIBTOOL NAMES libtool)
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endif()
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endif()
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get_property(languages GLOBAL PROPERTY ENABLED_LANGUAGES)
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if(CMAKE_LIBTOOL)
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set(CMAKE_LIBTOOL ${CMAKE_LIBTOOL} CACHE PATH "libtool executable")
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message(STATUS "Found libtool - ${CMAKE_LIBTOOL}")
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execute_process(COMMAND ${CMAKE_LIBTOOL} -V
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OUTPUT_VARIABLE LIBTOOL_V_OUTPUT
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OUTPUT_STRIP_TRAILING_WHITESPACE)
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if("${LIBTOOL_V_OUTPUT}" MATCHES ".*cctools-([0-9.]+).*")
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string(REGEX REPLACE ".*cctools-([0-9.]+).*" "\\1" LIBTOOL_VERSION
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${LIBTOOL_V_OUTPUT})
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if(NOT LIBTOOL_VERSION VERSION_LESS "862")
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set(LIBTOOL_NO_WARNING_FLAG "-no_warning_for_no_symbols")
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endif()
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endif()
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foreach(lang ${languages})
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set(CMAKE_${lang}_CREATE_STATIC_LIBRARY
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"\"${CMAKE_LIBTOOL}\" -static ${LIBTOOL_NO_WARNING_FLAG} -o <TARGET> <LINK_FLAGS> <OBJECTS>")
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endforeach()
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# By default, CMake invokes ranlib on a static library after installing it.
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# libtool will have produced the table of contents for us already, and ranlib
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# does not understanding universal binaries, so skip this step. It's important
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# to set it to empty instead of unsetting it to shadow the cache variable, and
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# we don't want to unset the cache variable to not affect anything outside
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# this scope.
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set(CMAKE_RANLIB "")
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endif()
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# If DYLD_LIBRARY_PATH is set we need to set it on archiver commands
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if(DYLD_LIBRARY_PATH)
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set(dyld_envar "DYLD_LIBRARY_PATH=${DYLD_LIBRARY_PATH}")
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foreach(lang ${languages})
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foreach(cmd ${CMAKE_${lang}_CREATE_STATIC_LIBRARY})
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list(APPEND CMAKE_${lang}_CREATE_STATIC_LIBRARY_NEW
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"${dyld_envar} ${cmd}")
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endforeach()
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set(CMAKE_${lang}_CREATE_STATIC_LIBRARY
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${CMAKE_${lang}_CREATE_STATIC_LIBRARY_NEW})
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endforeach()
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endif()
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