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

diff --git a/llvm/runtimes/CMakeLists.txt b/llvm/runtimes/CMakeLists.txt
index e715090..694f346 100644 (file)
--- 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})