[CMake] Version is aways greater than 3

We don't need any checks for this code anymore. Since CMake version is always greater than 3 we can always generate the exports file.

llvm-svn: 272323

Author: Chris Bieneman

clang/CMakeLists.txt

@@ -606,31 +606,28 @@ if(APPLE)
   endif()
 endif()
 
-if (CLANG_BUILT_STANDALONE OR CMAKE_VERSION VERSION_EQUAL 3 OR
-    CMAKE_VERSION VERSION_GREATER 3)
-  # Generate a list of CMake library targets so that other CMake projects can
-  # link against them. LLVM calls its version of this file LLVMExports.cmake, but
-  # the usual CMake convention seems to be ${Project}Targets.cmake.
-  set(CLANG_INSTALL_PACKAGE_DIR lib${LLVM_LIBDIR_SUFFIX}/cmake/clang)
-  set(clang_cmake_builddir "${CMAKE_BINARY_DIR}/${CLANG_INSTALL_PACKAGE_DIR}")
-  get_property(CLANG_EXPORTS GLOBAL PROPERTY CLANG_EXPORTS)
-  export(TARGETS ${CLANG_EXPORTS} FILE ${clang_cmake_builddir}/ClangTargets.cmake)
-
-  # Install a <prefix>/lib/cmake/clang/ClangConfig.cmake file so that
-  # find_package(Clang) works. Install the target list with it.
-  install(EXPORT ClangTargets DESTINATION ${CLANG_INSTALL_PACKAGE_DIR})
-
-  install(FILES
-    ${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules/ClangConfig.cmake
-    DESTINATION lib${LLVM_LIBDIR_SUFFIX}/cmake/clang)
-
-  # Also copy ClangConfig.cmake to the build directory so that dependent projects
-  # can build against a build directory of Clang more easily.
-  configure_file(
-    ${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules/ClangConfig.cmake
-    ${CLANG_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX}/cmake/clang/ClangConfig.cmake
-    COPYONLY)
-endif ()
+# Generate a list of CMake library targets so that other CMake projects can
+# link against them. LLVM calls its version of this file LLVMExports.cmake, but
+# the usual CMake convention seems to be ${Project}Targets.cmake.
+set(CLANG_INSTALL_PACKAGE_DIR lib${LLVM_LIBDIR_SUFFIX}/cmake/clang)
+set(clang_cmake_builddir "${CMAKE_BINARY_DIR}/${CLANG_INSTALL_PACKAGE_DIR}")
+get_property(CLANG_EXPORTS GLOBAL PROPERTY CLANG_EXPORTS)
+export(TARGETS ${CLANG_EXPORTS} FILE ${clang_cmake_builddir}/ClangTargets.cmake)
+
+# Install a <prefix>/lib/cmake/clang/ClangConfig.cmake file so that
+# find_package(Clang) works. Install the target list with it.
+install(EXPORT ClangTargets DESTINATION ${CLANG_INSTALL_PACKAGE_DIR})
+
+install(FILES
+  ${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules/ClangConfig.cmake
+  DESTINATION lib${LLVM_LIBDIR_SUFFIX}/cmake/clang)
+
+# Also copy ClangConfig.cmake to the build directory so that dependent projects
+# can build against a build directory of Clang more easily.
+configure_file(
+  ${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules/ClangConfig.cmake
+  ${CLANG_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX}/cmake/clang/ClangConfig.cmake
+  COPYONLY)
 
 if (CLANG_ENABLE_BOOTSTRAP)
   include(ExternalProject)