commit 68c730a1b22b0f1a3015b9b3f49b53f84539164a
author Martin Storsjo <martin@martin.st> Mon Sep 25 19:24:45 2017 +0000
committer Martin Storsjo <martin@martin.st> Mon Sep 25 19:24:45 2017 +0000
tree 457a53fe1e3703fe339e2e53bcabcc7a09005d94
parent b3aec7a63681e40c8d2851747643c83314e13bea

[MinGW] Don't link -lmsvcrt if a different msvcrt version is to be linked

Differential Revision: https://reviews.llvm.org/D37530

llvm-svn: 314138

clang/lib/Driver/ToolChains/MinGW.cpp

diff --git a/clang/lib/Driver/ToolChains/MinGW.cpp b/clang/lib/Driver/ToolChains/MinGW.cpp
index 46e2289..660b0c7 100644
--- a/clang/lib/Driver/ToolChains/MinGW.cpp
+++ b/clang/lib/Driver/ToolChains/MinGW.cpp
@@ -82,6 +82,9 @@
 
   CmdArgs.push_back("-lmoldname");
   CmdArgs.push_back("-lmingwex");
+  for (auto Lib : Args.getAllArgValues(options::OPT_l))
+    if (StringRef(Lib).startswith("msvcr") || Lib == "ucrtbase")
+      return;
   CmdArgs.push_back("-lmsvcrt");
 }