CMake: system for providing llvm-config-like features to the user.

The user can use a cmake function for obtaining the LLVM libraries
corresponding to a list of LLVM components.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110560 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/cmake/modules/LLVM.cmake b/cmake/modules/LLVM.cmake
new file mode 100644
index 0000000..1f63271
--- /dev/null
+++ b/cmake/modules/LLVM.cmake
@@ -0,0 +1,19 @@
+set(LLVM_COMMON_DEPENDS @LLVM_COMMON_DEPENDS@)
+
+set(llvm_libs @llvm_libs@)
+
+set(llvm_lib_targets @llvm_lib_targets@)
+
+set(LLVM_TARGETS_TO_BUILD @LLVM_TARGETS_TO_BUILD@)
+
+set(LLVM_TOOLS_BINARY_DIR @LLVM_TOOLS_BINARY_DIR@)
+
+set(HAVE_LLVM_CONFIG @HAVE_LLVM_CONFIG@)
+
+if( NOT EXISTS LLVMConfig.cmake )
+  set(CMAKE_MODULE_PATH
+    ${CMAKE_MODULE_PATH}
+    "@LLVM_SOURCE_DIR@/cmake/modules")
+endif()
+
+include( LLVMConfig )