From e035747475dc32604bc1dc65399c9d66ebdce49c Mon Sep 17 00:00:00 2001
From: Shoaib Meenai <smeenai@fb.com>
Date: Thu, 7 Feb 2019 20:58:04 +0000
Subject: [PATCH] [cmake] Pass LLVM_TEMPORARILY_ALLOW_OLD_TOOLCHAIN to NATIVE
 configure

We should propagate this down to host builds so that e.g. people using
an optimized tablegen can do the sub-configure successfully.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@353463 91177308-0d34-0410-b5e6-96231b3b80d8
---
 cmake/modules/CrossCompile.cmake | 1 +
 1 file changed, 1 insertion(+)

diff --git a/cmake/modules/CrossCompile.cmake b/cmake/modules/CrossCompile.cmake
index b239816c825..bc3b210f018 100644
--- a/cmake/modules/CrossCompile.cmake
+++ b/cmake/modules/CrossCompile.cmake
@@ -52,6 +52,7 @@ function(llvm_create_cross_target_internal target_name toolchain buildtype)
         -DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD="${experimental_targets_to_build_arg}"
         -DLLVM_DEFAULT_TARGET_TRIPLE="${TARGET_TRIPLE}"
         -DLLVM_TARGET_ARCH="${LLVM_TARGET_ARCH}"
+        -DLLVM_TEMPORARILY_ALLOW_OLD_TOOLCHAIN="${LLVM_TEMPORARILY_ALLOW_OLD_TOOLCHAIN}"
         ${build_type_flags} ${linker_flag} ${external_clang_dir}
     WORKING_DIRECTORY ${LLVM_${target_name}_BUILD}
     DEPENDS CREATE_LLVM_${target_name}
-- 
2.40.0