From f57d5d08ba77b4386394573989bb79fb56b18a31 Mon Sep 17 00:00:00 2001
From: Eric Fiselier <eric@efcs.ca>
Date: Thu, 11 May 2017 02:00:25 +0000
Subject: [PATCH] Apply libc++ MinGW CMake fix to libc++abi

llvm-svn: 302754
---
 libcxxabi/cmake/config-ix.cmake | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libcxxabi/cmake/config-ix.cmake b/libcxxabi/cmake/config-ix.cmake
index 93b511a..3a6b86b 100644
--- a/libcxxabi/cmake/config-ix.cmake
+++ b/libcxxabi/cmake/config-ix.cmake
@@ -27,6 +27,11 @@ if (LIBCXXABI_HAS_NODEFAULTLIBS_FLAG)
   elseif (LIBCXXABI_HAS_GCC_S_LIB)
     list(APPEND CMAKE_REQUIRED_LIBRARIES gcc_s)
   endif ()
+  if (MINGW)
+    # Mingw64 requires quite a few "C" runtime libraries in order for basic
+    # programs to link successfully with -nodefaultlibs.
+    list(APPEND CMAKE_REQUIRED_LIBRARIES mingw32 gcc gcc_eh mingwex msvcrt gcc)
+  endif()
   if (CMAKE_C_FLAGS MATCHES -fsanitize OR CMAKE_CXX_FLAGS MATCHES -fsanitize)
     set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -fno-sanitize=all")
   endif ()
-- 
2.7.4