5ca4d5f5fe
When using LLVM_DISTRIBUTION_COMPONENTS, it's possible for clang's export list to be empty. If this happens the install(EXPORTS) command will fail, but since there isn't anything to install anyway we really just want to skip it. llvm-svn: 286210
51 lines
2.1 KiB
CMake
51 lines
2.1 KiB
CMake
# Generate a list of CMake library targets so that other CMake projects can
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# link against them. LLVM calls its version of this file LLVMExports.cmake, but
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# the usual CMake convention seems to be ${Project}Targets.cmake.
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set(CLANG_INSTALL_PACKAGE_DIR lib${LLVM_LIBDIR_SUFFIX}/cmake/clang)
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set(clang_cmake_builddir "${CMAKE_BINARY_DIR}/${CLANG_INSTALL_PACKAGE_DIR}")
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get_property(CLANG_EXPORTS GLOBAL PROPERTY CLANG_EXPORTS)
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export(TARGETS ${CLANG_EXPORTS} FILE ${clang_cmake_builddir}/ClangTargets.cmake)
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# Generate ClangConfig.cmake for the build tree.
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set(CLANG_CONFIG_CMAKE_DIR "${clang_cmake_builddir}")
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set(CLANG_CONFIG_EXPORTS_FILE "${clang_cmake_builddir}/ClangTargets.cmake")
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configure_file(
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${CMAKE_CURRENT_SOURCE_DIR}/ClangConfig.cmake.in
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${clang_cmake_builddir}/ClangConfig.cmake
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@ONLY)
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set(CLANG_CONFIG_CMAKE_DIR)
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set(CLANG_CONFIG_EXPORTS_FILE)
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# Generate ClangConfig.cmake for the install tree.
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set(CLANG_CONFIG_CODE "
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# Compute the installation prefix from this LLVMConfig.cmake file location.
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get_filename_component(CLANG_INSTALL_PREFIX \"\${CMAKE_CURRENT_LIST_FILE}\" PATH)")
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# Construct the proper number of get_filename_component(... PATH)
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# calls to compute the installation prefix.
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string(REGEX REPLACE "/" ";" _count "${CLANG_INSTALL_PACKAGE_DIR}")
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foreach(p ${_count})
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set(CLANG_CONFIG_CODE "${CLANG_CONFIG_CODE}
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get_filename_component(CLANG_INSTALL_PREFIX \"\${CLANG_INSTALL_PREFIX}\" PATH)")
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endforeach(p)
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set(CLANG_CONFIG_CMAKE_DIR "\${CLANG_INSTALL_PREFIX}/${CLANG_INSTALL_PACKAGE_DIR}")
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set(CLANG_CONFIG_EXPORTS_FILE "\${CLANG_CMAKE_DIR}/ClangTargets.cmake")
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configure_file(
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${CMAKE_CURRENT_SOURCE_DIR}/ClangConfig.cmake.in
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${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/ClangConfig.cmake
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@ONLY)
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set(CLANG_CONFIG_CODE)
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set(CLANG_CONFIG_CMAKE_DIR)
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set(CLANG_CONFIG_EXPORTS_FILE)
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if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
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get_property(clang_has_exports GLOBAL PROPERTY CLANG_HAS_EXPORTS)
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if(clang_has_exports)
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install(EXPORT ClangTargets DESTINATION ${CLANG_INSTALL_PACKAGE_DIR})
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endif()
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install(FILES
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${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/ClangConfig.cmake
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DESTINATION ${CLANG_INSTALL_PACKAGE_DIR})
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endif()
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