From 9090db487e55a83176aecb2810e3f5f2eee39cf1 Mon Sep 17 00:00:00 2001
From: Petr Hosek <phosek@chromium.org>
Date: Thu, 21 Dec 2017 20:04:10 +0000
Subject: [CMake] Allow passing extra CMake arguments to custom libc++

This can be used to customize the libc++ build.

Differential Revision: https://reviews.llvm.org/D41103

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@321299 91177308-0d34-0410-b5e6-96231b3b80d8
---
 cmake/Modules/AddCompilerRT.cmake | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'cmake')

diff --git a/cmake/Modules/AddCompilerRT.cmake b/cmake/Modules/AddCompilerRT.cmake
index d4f636857..139b61400 100644
--- a/cmake/Modules/AddCompilerRT.cmake
+++ b/cmake/Modules/AddCompilerRT.cmake
@@ -469,7 +469,7 @@ macro(add_custom_libcxx name prefix)
     message(FATAL_ERROR "libcxx not found!")
   endif()
 
-  cmake_parse_arguments(LIBCXX "" "" "DEPS;CFLAGS" ${ARGN})
+  cmake_parse_arguments(LIBCXX "" "" "DEPS;CFLAGS;CMAKE_ARGS" ${ARGN})
   foreach(flag ${LIBCXX_CFLAGS})
     set(flagstr "${flagstr} ${flag}")
   endforeach()
@@ -491,6 +491,7 @@ macro(add_custom_libcxx name prefix)
                -DCMAKE_INSTALL_PREFIX:PATH=<INSTALL_DIR>
                -DLLVM_PATH=${LLVM_MAIN_SRC_DIR}
                -DLIBCXX_STANDALONE_BUILD=On
+               ${LIBCXX_CMAKE_ARGS}
     LOG_BUILD 1
     LOG_CONFIGURE 1
     LOG_INSTALL 1
-- 
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