Add LLVM version info to CPPINTEROP_LLVM_* variables (#214)

Author: alexander-penev

cmake/CppInterOp/CppInterOpConfig.cmake.in

@@ -19,7 +19,7 @@ endif()
 if (@BUILD_SHARED_LIBS@)
   set(_lib_suffix ${CMAKE_SHARED_LIBRARY_SUFFIX})
   set(_lib_prefix ${CMAKE_SHARED_LIBRARY_PREFIX})
-else()    
+else()
   set(_lib_suffix ${CMAKE_STATIC_LIBRARY_SUFFIX})
   set(_lib_prefix ${CMAKE_STATIC_LIBRARY_PREFIX})
 endif()
@@ -39,10 +39,17 @@ set(CPPINTEROP_CMAKE_DIR "${_cmake}")
 set(CPPINTEROP_INCLUDE_DIRS "${_include}")
 set(CPPINTEROP_LIBRARIES "${_lib}")
 
+set(CPPINTEROP_LLVM_VERSION "@LLVM_VERSION@")
+set(CPPINTEROP_LLVM_VERSION_MAJOR "@LLVM_VERSION_MAJOR@")
+set(CPPINTEROP_LLVM_VERSION_MINOR "@LLVM_VERSION_MINOR@")
+set(CPPINTEROP_LLVM_VERSION_PATCH "@LLVM_VERSION_PATCH@")
+set(CPPINTEROP_LLVM_VERSION_SUFFIX "@LLVM_VERSION_SUFFIX@")
+set(CPPINTEROP_LLVM_PACKAGE_VERSION "@PACKAGE_VERSION@")
+
 # Provide all our library targets to users.
 if (@BUILD_SHARED_LIBS@)
   add_library(clangCppInterOp SHARED IMPORTED)
-else()    
+else()
   add_library(clangCppInterOp STATIC IMPORTED)
 endif()
 set_target_properties(clangCppInterOp PROPERTIES