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7c150bae21
*numerous* places where it was missing in the CMake build. The primary change here is that the suffix is now actually used for all of the lib directories in the LLVM project's CMake. The various subprojects still need similar treatment. This is the first of a series of commits to try to make LLVM's cmake effective in a multilib Linux installation. I don't think many people are seriously using this variable so I'm hoping the fallout will be minimal. A somewhat unfortunate consequence of the nature of these commits is that until I land all of them, they will in part make the brokenness of our multilib support more apparant. At the end, things should actually work. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224919 91177308-0d34-0410-b5e6-96231b3b80d8
101 lines
3.0 KiB
CMake
101 lines
3.0 KiB
CMake
# This tool creates a shared library from the LLVM libraries. Generating this
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# library is enabled by setting LLVM_BUILD_LLVM_DYLIB=yes on the CMake
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# commandline. By default the shared library only exports the LLVM C API.
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# You can configure which libraries from LLVM you want to include in the shared
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# library by setting LLVM_DYLIB_COMPONENTS to a semi-colon delimited list of
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# LLVM components. All compoenent names handled by llvm-config are valid.
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if(NOT DEFINED LLVM_DYLIB_COMPONENTS)
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set(LLVM_DYLIB_COMPONENTS
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${LLVM_TARGETS_TO_BUILD}
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Analysis
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BitReader
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BitWriter
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CodeGen
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Core
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ExecutionEngine
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IPA
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IPO
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IRReader
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InstCombine
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Instrumentation
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Interpreter
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Linker
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MCDisassembler
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MCJIT
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ObjCARCOpts
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Object
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ScalarOpts
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Support
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Target
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TransformUtils
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Vectorize
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native
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)
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endif()
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add_definitions( -DLLVM_VERSION_INFO=\"${PACKAGE_VERSION}\" )
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set(SOURCES
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libllvm.cpp
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)
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if(NOT DEFINED LLVM_EXPORTED_SYMBOL_FILE)
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if( WIN32 AND NOT CYGWIN )
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message(FATAL_ERROR "Auto-generation not implemented for Win32 without GNU utils. Please specify LLVM_EXPORTED_SYMBOL_FILE.")
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endif()
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# To get the export list for a single llvm library:
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# nm ${LIB_PATH} | awk "/T _LLVM/ { print $3 }" | sort -u | sed -e "s/^_//g" > ${LIB_PATH}.exports
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set(LLVM_EXPORTED_SYMBOL_FILE ${CMAKE_BINARY_DIR}/libllvm.exports)
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llvm_map_components_to_libnames(LIB_NAMES ${LLVM_DYLIB_COMPONENTS})
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foreach (lib ${LIB_NAMES})
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set(LIB_DIR ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib${LLVM_LIBDIR_SUFFIX})
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set(LIB_NAME ${LIB_DIR}/${CMAKE_STATIC_LIBRARY_PREFIX}${lib})
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set(LIB_PATH ${LIB_NAME}${CMAKE_STATIC_LIBRARY_SUFFIX})
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set(LIB_EXPORTS_PATH ${LIB_NAME}.exports)
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list(APPEND LLVM_DYLIB_REQUIRED_EXPORTS ${LIB_EXPORTS_PATH})
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add_custom_command(OUTPUT ${LIB_EXPORTS_PATH}
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COMMAND nm ${LIB_PATH} | awk "/T _LLVM/ || /T LLVM/ { print $3 }" | sort -u | sed -e "s/^_//g" > ${LIB_EXPORTS_PATH}
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WORKING_DIRECTORY ${LIB_DIR}
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DEPENDS ${lib}
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COMMENT "Generating Export list for ${lib}..."
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VERBATIM )
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endforeach ()
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add_custom_command(OUTPUT ${LLVM_EXPORTED_SYMBOL_FILE}
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COMMAND cat ${LLVM_DYLIB_REQUIRED_EXPORTS} > ${LLVM_EXPORTED_SYMBOL_FILE}
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WORKING_DIRECTORY ${LIB_DIR}
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DEPENDS ${LLVM_DYLIB_REQUIRED_EXPORTS}
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COMMENT "Generating combined export list...")
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endif()
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add_llvm_library(LLVM SHARED ${SOURCES})
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if("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux") # FIXME: It should be "GNU ld for elf"
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# GNU ld doesn't resolve symbols in the version script.
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list(REMOVE_DUPLICATES LIB_NAMES)
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set(LIB_NAMES -Wl,--whole-archive ${LIB_NAMES} -Wl,--no-whole-archive)
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endif()
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target_link_libraries(LLVM ${cmake_2_8_12_PRIVATE} ${LIB_NAMES})
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add_dependencies(LLVM ${LLVM_EXPORTED_SYMBOL_FILE})
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if (APPLE)
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set_property(TARGET LLVM APPEND_STRING PROPERTY
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LINK_FLAGS
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" -compatibility_version ${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR} -current_version ${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}")
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endif()
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