1 files changed, 90 insertions, 0 deletions
diff --git a/elpa/irony-20220110.849/server/cmake/CheckClangResourceDir.cmake b/elpa/irony-20220110.849/server/cmake/CheckClangResourceDir.cmake
new file mode 100644
index 0000000..20bcda9
--- /dev/null
+++ b/elpa/irony-20220110.849/server/cmake/CheckClangResourceDir.cmake
@@ -0,0 +1,90 @@
+#
+# Get the Clang resource directory.
+#
+# If found the following variable will be set:
+# - CLANG_RESOURCE_DIR
+#
+set(CHECK_CLANG_RESOURCE_DIR_CHECKER_CODE_IN
+  ${CMAKE_CURRENT_LIST_DIR}/LibClangDiagnosticsChecker.cpp)
+
+function(check_clang_resource_dir)
+  if (CLANG_RESOURCE_DIR)
+    return()                    # already in cache
+  endif()
+
+  message(STATUS "Detecting Clang resource directory")
+  find_package (LibClang REQUIRED)
+  
+  set(checker_code
+    ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/LibClangDiagnosticsChecker.cpp)
+  set(checked_file
+    "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/check-libclang-stddef.cpp")
+
+  configure_file(${CHECK_CLANG_RESOURCE_DIR_CHECKER_CODE_IN}
+    ${checker_code} COPYONLY)
+  file(WRITE "${checked_file}" "#include <stddef.h>\n")
+
+  # Paths stolen from Rip-Rip/clang_complete#getBuiltinHeaderPath()
+  find_path(CHECK_CLANG_RESOURCE_DIR include/stddef.h
+    NO_DEFAULT_PATH
+    # the default path, favor this one over the other, in case a specific
+    # libclang has been chosen.
+    HINTS "${LIBCLANG_LIBRARY_DIR}/../lib/clang"
+    # other, distribution specific, paths
+    PATHS
+    "${LIBCLANG_LIBRARY_DIR}/../clang" # Gentoo
+    "${LIBCLANG_LIBRARY_DIR}/clang"    # openSUSE, Windows
+    "${LIBCLANG_LIBRARY_DIR}/"         # Google
+    "/usr/lib64/clang"                 # x86_64 (openSUSE, Fedora)
+    "/usr/lib/clang"
+    PATH_SUFFIXES ${LIBCLANG_KNOWN_LLVM_VERSIONS})
+
+  if (CHECK_CLANG_RESOURCE_DIR)
+    # On Windows the paths weren't escaped correctly, similar to:
+    # http://public.kitware.com/pipermail/cmake/2006-February/008473.html
+    list(APPEND run_args -resource-dir \"${CHECK_CLANG_RESOURCE_DIR}\")
+  endif()
+
+  list(APPEND run_args ${checked_file})
+
+  try_run(
+    CHECK_CLANG_RESOURCE_DIR_NUM_DIAGNOSTICS
+    CHECK_CLANG_RESOURCE_DIR_COMPILE_RESULT
+    ${CMAKE_BINARY_DIR}
+    ${checker_code}
+    CMAKE_FLAGS
+      "-DINCLUDE_DIRECTORIES:STRING=${LIBCLANG_INCLUDE_DIRS}"
+      "-DLINK_LIBRARIES:STRING=${LIBCLANG_LIBRARIES}"
+    COMPILE_OUTPUT_VARIABLE compile_output
+    RUN_OUTPUT_VARIABLE run_output
+    ARGS ${run_args}
+    )
+
+  if (NOT CHECK_CLANG_RESOURCE_DIR_COMPILE_RESULT)
+    set(CHECK_CLANG_RESOURCE_DIR_NUM_DIAGNOSTICS 1)
+  endif()
+
+  if (CHECK_CLANG_RESOURCE_DIR_NUM_DIAGNOSTICS EQUAL 0)
+    message(STATUS "Detecting libclang builtin headers directory -- success")
+    if (CHECK_CLANG_RESOURCE_DIR)
+      set(CLANG_RESOURCE_DIR "${CHECK_CLANG_RESOURCE_DIR}"
+        CACHE INTERNAL "Clang resource directory.")
+    endif()
+  else()
+    message(STATUS "Detecting Clang resource directory -- fail")
+
+    if (NOT CHECK_CLANG_RESOURCE_DIR_COMPILE_RESULT)
+      message(WARNING "CheckClangResourceDir: failed to compile checker, please report.
+  Compile output:
+    ${compile_output}
+")
+    else()
+      message(WARNING "CheckClangResourceDir: unsupported configuration, please report.
+
+  Check with args: ${run_args}
+  Check output:
+    ${run_output}
+")
+    endif()
+  endif()
+endfunction()