[PATCH] Bug 19462 - Use the INSTALL(EXPORT ...) to export CMake definitions

[Chris Bieneman]

Hi rnk,

This patch moves all the clang library targets into a ClangTargets export list, 
and installs it using the CMake install(EXPORT...) command.

http://reviews.llvm.org/D7623

Files:
  CMakeLists.txt

Index: CMakeLists.txt
===================================================================
--- CMakeLists.txt
+++ CMakeLists.txt
@@ -362,6 +362,7 @@
 
     if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ${name} STREQUAL "libclang")
       install(TARGETS ${name}
+        EXPORT ClangTargets
         LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX}
         ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX}
         RUNTIME DESTINATION bin)
@@ -520,9 +521,10 @@
 
   # Install a <prefix>/share/clang/cmake/ClangConfig.cmake file so that
   # find_package(Clang) works. Install the target list with it.
+  install(EXPORT ClangTargets DESTINATION ${LLVM_INSTALL_PACKAGE_DIR})
+
   install(FILES
     ${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules/ClangConfig.cmake
-    ${CLANG_BINARY_DIR}/share/clang/cmake/ClangTargets.cmake
     DESTINATION share/clang/cmake)
 
   # Also copy ClangConfig.cmake to the build directory so that dependent 
projects

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Index: CMakeLists.txt
===================================================================
--- CMakeLists.txt
+++ CMakeLists.txt
@@ -362,6 +362,7 @@
 
     if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ${name} STREQUAL "libclang")
       install(TARGETS ${name}
+        EXPORT ClangTargets
         LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX}
         ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX}
         RUNTIME DESTINATION bin)
@@ -520,9 +521,10 @@
 
   # Install a <prefix>/share/clang/cmake/ClangConfig.cmake file so that
   # find_package(Clang) works. Install the target list with it.
+  install(EXPORT ClangTargets DESTINATION ${LLVM_INSTALL_PACKAGE_DIR})
+
   install(FILES
     ${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules/ClangConfig.cmake
-    ${CLANG_BINARY_DIR}/share/clang/cmake/ClangTargets.cmake
     DESTINATION share/clang/cmake)
 
   # Also copy ClangConfig.cmake to the build directory so that dependent projects

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