[PATCH] D29304: [cmake] Hint find_package() to prefer LLVM installed alongside clang

[Michał Górny via Phabricator via cfe-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL293632: [cmake] Hint find_package() to prefer LLVM installed alongside clang (authored by mgorny).

Changed prior to commit:
  https://reviews.llvm.org/D29304?vs=86339&id=86421#toc

Repository:
  rL LLVM

https://reviews.llvm.org/D29304

Files:
  cfe/trunk/cmake/modules/CMakeLists.txt
  cfe/trunk/cmake/modules/ClangConfig.cmake.in


Index: cfe/trunk/cmake/modules/ClangConfig.cmake.in
===================================================================
--- cfe/trunk/cmake/modules/ClangConfig.cmake.in
+++ cfe/trunk/cmake/modules/ClangConfig.cmake.in
@@ -1,9 +1,10 @@
 # This file allows users to call find_package(Clang) and pick up our targets.
 
-find_package(LLVM REQUIRED CONFIG)
-
 @CLANG_CONFIG_CODE@
 
+find_package(LLVM REQUIRED CONFIG
+             HINTS "@CLANG_CONFIG_LLVM_CMAKE_DIR@")
+
 set(CLANG_EXPORTED_TARGETS "@CLANG_EXPORTS@")
 set(CLANG_CMAKE_DIR "@CLANG_CONFIG_CMAKE_DIR@")
 
Index: cfe/trunk/cmake/modules/CMakeLists.txt
===================================================================
--- cfe/trunk/cmake/modules/CMakeLists.txt
+++ cfe/trunk/cmake/modules/CMakeLists.txt
@@ -4,17 +4,23 @@
 set(CLANG_INSTALL_PACKAGE_DIR lib${LLVM_LIBDIR_SUFFIX}/cmake/clang)
 set(clang_cmake_builddir "${CMAKE_BINARY_DIR}/${CLANG_INSTALL_PACKAGE_DIR}")
 
+# Keep this in sync with llvm/cmake/CMakeLists.txt!
+set(LLVM_INSTALL_PACKAGE_DIR lib${LLVM_LIBDIR_SUFFIX}/cmake/llvm)
+set(llvm_cmake_builddir "${LLVM_BINARY_DIR}/${LLVM_INSTALL_PACKAGE_DIR}")
+
 get_property(CLANG_EXPORTS GLOBAL PROPERTY CLANG_EXPORTS)
 export(TARGETS ${CLANG_EXPORTS} FILE ${clang_cmake_builddir}/ClangTargets.cmake)
 
 # Generate ClangConfig.cmake for the build tree.
 set(CLANG_CONFIG_CMAKE_DIR "${clang_cmake_builddir}")
+set(CLANG_CONFIG_LLVM_CMAKE_DIR "${llvm_cmake_builddir}")
 set(CLANG_CONFIG_EXPORTS_FILE "${clang_cmake_builddir}/ClangTargets.cmake")
 configure_file(
   ${CMAKE_CURRENT_SOURCE_DIR}/ClangConfig.cmake.in
   ${clang_cmake_builddir}/ClangConfig.cmake
   @ONLY)
 set(CLANG_CONFIG_CMAKE_DIR)
+set(CLANG_CONFIG_LLVM_CMAKE_DIR)
 set(CLANG_CONFIG_EXPORTS_FILE)
 
 # Generate ClangConfig.cmake for the install tree.
@@ -29,6 +35,7 @@
 get_filename_component(CLANG_INSTALL_PREFIX \"\${CLANG_INSTALL_PREFIX}\" PATH)")
 endforeach(p)
 set(CLANG_CONFIG_CMAKE_DIR "\${CLANG_INSTALL_PREFIX}/${CLANG_INSTALL_PACKAGE_DIR}")
+set(CLANG_CONFIG_LLVM_CMAKE_DIR "\${CLANG_INSTALL_PREFIX}/${LLVM_INSTALL_PACKAGE_DIR}")
 set(CLANG_CONFIG_EXPORTS_FILE "\${CLANG_CMAKE_DIR}/ClangTargets.cmake")
 configure_file(
   ${CMAKE_CURRENT_SOURCE_DIR}/ClangConfig.cmake.in


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