From e37cb6390c892b88efc511bc616e34f88443a133 Mon Sep 17 00:00:00 2001
From: Yi Kong <yikong@google.com>
Date: Tue, 10 Jan 2023 14:56:03 +0900
Subject: [PATCH] Fix build when LLVM_BUILTIN_TARGETS is not set

If LLVM_BUILTIN_TARGETS is not set, no OS specific variants will be
created, causing CMake build failure. Depend on the generic builtins
target if LLVM_BUILTIN_TARGETS is not set.

Differential Revision: https://reviews.llvm.org/D141273
---
 llvm/runtimes/CMakeLists.txt | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/llvm/runtimes/CMakeLists.txt b/llvm/runtimes/CMakeLists.txt
index e7150902af54..694f346ee8e9 100644
--- a/llvm/runtimes/CMakeLists.txt
+++ b/llvm/runtimes/CMakeLists.txt
@@ -421,7 +421,11 @@ if(runtimes)
 
     foreach(name ${LLVM_RUNTIME_TARGETS})
       if(builtins_dep)
-        set(builtins_dep_name "${builtins_dep}-${name}")
+        if (LLVM_BUILTIN_TARGETS)
+          set(builtins_dep_name "${builtins_dep}-${name}")
+        else()
+          set(builtins_dep_name ${builtins_dep})
+        endif()
       endif()
       runtime_register_target(${name} ${name}
         DEPENDS ${builtins_dep_name})