r241485 - Support -pthread in mingw toolchain.

[Yaron Keren]

Author: yrnkrn
Date: Mon Jul  6 13:52:19 2015
New Revision: 241485

URL: http://llvm.org/viewvc/llvm-project?rev=241485&view=rev
Log:
Support -pthread in mingw toolchain.
"-pthread" appends -lpthread after the object files list passed to the linker.


Modified:
    cfe/trunk/lib/Driver/Tools.cpp

Modified: cfe/trunk/lib/Driver/Tools.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/Tools.cpp?rev=241485&r1=241484&r2=241485&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/Tools.cpp (original)
+++ cfe/trunk/lib/Driver/Tools.cpp Mon Jul  6 13:52:19 2015
@@ -8972,10 +8972,8 @@ void MinGW::Linker::ConstructJob(Compila
       if (Args.hasArg(options::OPT_pg))
         CmdArgs.push_back("-lgmon");
 
-      // FIXME: what to do about pthreads library?
-      // Currently required for OpenMP and posix-threading libgcc, 
-      // does not exists in mingw.org.
-      //CmdArgs.push_back("-lpthread");
+      if (Args.hasArg(options::OPT_pthread))
+        CmdArgs.push_back("-lpthread");
 
       // add system libraries
       if (Args.hasArg(options::OPT_mwindows)) {