From a16221181379b2fbce4115963de47ec5cb6d9686 Mon Sep 17 00:00:00 2001
From: Petr Hosek <phosek@chromium.org>
Date: Thu, 9 Nov 2017 00:21:29 +0000
Subject: [CMake] Passthrough CMAKE_SYSROOT to external projects

Differential Revision: https://reviews.llvm.org/D39029

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@317744 91177308-0d34-0410-b5e6-96231b3b80d8
---
 cmake/modules/LLVMExternalProjectUtils.cmake | 1 +
 1 file changed, 1 insertion(+)

diff --git a/cmake/modules/LLVMExternalProjectUtils.cmake b/cmake/modules/LLVMExternalProjectUtils.cmake
index c3560836f7e..c9e9b652ca4 100644
--- a/cmake/modules/LLVMExternalProjectUtils.cmake
+++ b/cmake/modules/LLVMExternalProjectUtils.cmake
@@ -143,6 +143,7 @@ function(llvm_ExternalProject_Add name source_dir)
     CMAKE_ARGS ${${nameCanon}_CMAKE_ARGS}
                ${compiler_args}
                -DCMAKE_INSTALL_PREFIX=${CMAKE_INSTALL_PREFIX}
+               -DCMAKE_SYSROOT=${CMAKE_SYSROOT}
                -DLLVM_BINARY_DIR=${PROJECT_BINARY_DIR}
                -DLLVM_CONFIG_PATH=$<TARGET_FILE:llvm-config>
                -DLLVM_ENABLE_WERROR=${LLVM_ENABLE_WERROR}
-- 
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