clang/cmake/modules/CMakeLists.txt

   1 include(GNUInstallPackageDir)
   2 include(ExtendPath)
   3 include(LLVMDistributionSupport)
   4 include(FindPrefixFromConfig)
   5
   6 # Generate a list of CMake library targets so that other CMake projects can
   7 # link against them. LLVM calls its version of this file LLVMExports.cmake, but
   8 # the usual CMake convention seems to be ${Project}Targets.cmake.
   9 set(CLANG_INSTALL_PACKAGE_DIR "${CMAKE_INSTALL_PACKAGEDIR}/clang" CACHE STRING
  10   "Path for CMake subdirectory for Clang (defaults to '${CMAKE_INSTALL_PACKAGEDIR}/clang')")
  11 # CMAKE_INSTALL_PACKAGEDIR might be absolute, so don't reuse below.
  12 set(clang_cmake_builddir "${CMAKE_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX}/cmake/clang")
  13
  14 # Keep this in sync with llvm/cmake/CMakeLists.txt!
  15 set(LLVM_INSTALL_PACKAGE_DIR "${CMAKE_INSTALL_PACKAGEDIR}/llvm" CACHE STRING
  16   "Path for CMake subdirectory for LLVM (defaults to '${CMAKE_INSTALL_PACKAGEDIR}/llvm')")
  17 # CMAKE_INSTALL_PACKAGEDIR might be absolute, so don't reuse below.
  18 string(REPLACE "${CMAKE_CFG_INTDIR}" "." llvm_cmake_builddir "${LLVM_LIBRARY_DIR}")
  19 set(llvm_cmake_builddir "${llvm_cmake_builddir}/cmake/llvm")
  20
  21 get_property(CLANG_EXPORTS GLOBAL PROPERTY CLANG_EXPORTS)
  22 export(TARGETS ${CLANG_EXPORTS} FILE ${clang_cmake_builddir}/ClangTargets.cmake)
  23
  24 # Generate ClangConfig.cmake for the build tree.
  25 set(CLANG_CONFIG_CMAKE_DIR "${clang_cmake_builddir}")
  26 set(CLANG_CONFIG_LLVM_CMAKE_DIR "${llvm_cmake_builddir}")
  27 set(CLANG_CONFIG_INCLUDE_EXPORTS "include(\"${clang_cmake_builddir}/ClangTargets.cmake\")")
  28 set(CLANG_CONFIG_INCLUDE_DIRS
  29   "${CLANG_SOURCE_DIR}/include"
  30   "${CLANG_BINARY_DIR}/include"
  31   )
  32 configure_file(
  33   ${CMAKE_CURRENT_SOURCE_DIR}/ClangConfig.cmake.in
  34   ${clang_cmake_builddir}/ClangConfig.cmake
  35   @ONLY)
  36 configure_file(
  37   ${CMAKE_CURRENT_SOURCE_DIR}/ClangConfigVersion.cmake.in
  38   ${clang_cmake_builddir}/ClangConfigVersion.cmake
  39   @ONLY)
  40 set(CLANG_CONFIG_CMAKE_DIR)
  41 set(CLANG_CONFIG_LLVM_CMAKE_DIR)
  42
  43 # For compatibility with projects that include(ClangConfig)
  44 # via CMAKE_MODULE_PATH, place API modules next to it.
  45 # Copy without source permissions because the source could be read-only,
  46 # but we need to write into the copied folder.
  47 file(COPY .
  48   DESTINATION ${clang_cmake_builddir}
  49   NO_SOURCE_PERMISSIONS
  50   FILES_MATCHING PATTERN *.cmake
  51   PATTERN CMakeFiles EXCLUDE
  52   )
  53
  54 # Generate ClangConfig.cmake for the install tree.
  55 find_prefix_from_config(CLANG_CONFIG_CODE CLANG_INSTALL_PREFIX "${CLANG_INSTALL_PACKAGE_DIR}")
  56 extend_path(CLANG_CONFIG_CMAKE_DIR "\${CLANG_INSTALL_PREFIX}" "${CLANG_INSTALL_PACKAGE_DIR}")
  57 extend_path(CLANG_CONFIG_LLVM_CMAKE_DIR "\${CLANG_INSTALL_PREFIX}" "${LLVM_INSTALL_PACKAGE_DIR}")
  58 get_config_exports_includes(Clang CLANG_CONFIG_INCLUDE_EXPORTS)
  59 extend_path(base_includedir "\${CLANG_INSTALL_PREFIX}" "${CMAKE_INSTALL_INCLUDEDIR}")
  60 set(CLANG_CONFIG_INCLUDE_DIRS
  61   "${base_includedir}"
  62   )
  63 configure_file(
  64   ${CMAKE_CURRENT_SOURCE_DIR}/ClangConfig.cmake.in
  65   ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/ClangConfig.cmake
  66   @ONLY)
  67 configure_file(
  68   ${CMAKE_CURRENT_SOURCE_DIR}/ClangConfigVersion.cmake.in
  69   ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/ClangConfigVersion.cmake
  70   @ONLY)
  71 set(CLANG_CONFIG_CODE)
  72 set(CLANG_CONFIG_CMAKE_DIR)
  73
  74 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
  75   install_distribution_exports(Clang)
  76
  77   install(FILES
  78     ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/ClangConfig.cmake
  79     ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/ClangConfigVersion.cmake
  80     ${CMAKE_CURRENT_SOURCE_DIR}/AddClang.cmake
  81     DESTINATION ${CLANG_INSTALL_PACKAGE_DIR}
  82     COMPONENT clang-cmake-exports)
  83
  84   if(NOT LLVM_ENABLE_IDE)
  85     # Add a dummy target so this can be used with LLVM_DISTRIBUTION_COMPONENTS
  86     add_custom_target(clang-cmake-exports)
  87     add_llvm_install_targets(install-clang-cmake-exports
  88                              COMPONENT clang-cmake-exports)
  89   endif()
  90 endif()