Re-apply [build] Fix stand-alone builds of clang.

This reverts commit 0e09bb8b143c80426c497a924ee4fa57a26af6b5.

Differential Revision: https://reviews.llvm.org/D142403

diff --git a/llvm/cmake/modules/LLVMConfig.cmake.in b/llvm/cmake/modules/LLVMConfig.cmake.in
index f1362fa..bae2a07 100644 (file)
--- a/llvm/cmake/modules/LLVMConfig.cmake.in
+++ b/llvm/cmake/modules/LLVMConfig.cmake.in
@@ -140,9 +140,9 @@ if(NOT TARGET LLVMSupport)
   @llvm_config_include_buildtree_only_exports@
 endif()
 
-# By creating intrinsics_gen, omp_gen and acc_gen here, subprojects that depend
-# on LLVM's tablegen-generated headers can always depend on this target whether
-# building in-tree with LLVM or not.
+# By creating the following targets here, subprojects that depend on
+# LLVM's tablegen-generated headers can always depend on this target
+# whether building in-tree with LLVM or not.
 if(NOT TARGET intrinsics_gen)
   add_custom_target(intrinsics_gen)
 endif()
@@ -152,6 +152,9 @@ endif()
 if(NOT TARGET acc_gen)
   add_custom_target(acc_gen)
 endif()
+if(NOT TARGET RISCVTargetParserTableGen)
+  add_custom_target(RISCVTargetParserTableGen)
+endif()
 
 set_property(GLOBAL PROPERTY LLVM_TARGETS_CONFIGURED On)
 include(${LLVM_CMAKE_DIR}/LLVM-Config.cmake)