[PATCH] D79995: [clang] [MinGW] Fix libunwind extension

[Mateusz Mikuła via Phabricator via cfe-commits]

mati865 updated this revision to Diff 264292.
mati865 added a comment.

Applied review comment and formatted.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D79995/new/

https://reviews.llvm.org/D79995

Files:
  clang/lib/Driver/ToolChains/CommonArgs.cpp


Index: clang/lib/Driver/ToolChains/CommonArgs.cpp
===================================================================
--- clang/lib/Driver/ToolChains/CommonArgs.cpp
+++ clang/lib/Driver/ToolChains/CommonArgs.cpp
@@ -1234,7 +1234,14 @@
   case ToolChain::UNW_CompilerRT:
     if (LGT == LibGccType::StaticLibGcc)
       CmdArgs.push_back("-l:libunwind.a");
-    else
+    else if (TC.getTriple().isOSCygMing()) {
+      if (LGT == LibGccType::SharedLibGcc)
+        CmdArgs.push_back("-l:libunwind.dll.a");
+      else
+        // Let the linker choose between libunwind.dll.a and libunwind.a
+        // depending on what's available, and depending on the -static flag
+        CmdArgs.push_back("-lunwind");
+    } else
       CmdArgs.push_back("-l:libunwind.so");
     break;
   }


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