[PATCH] D43818: Better OpenBSD frontend support

[David CARLIER via Phabricator via cfe-commits]

devnexen created this revision.
devnexen created this object with visibility "All Users".
Herald added subscribers: cfe-commits, krytarowski.
devnexen added reviewers: dlj, krytarowski.

- Like other *BSD, conditioning certain flags to pass
- To prepare future OpenBSD sanitisers.


Repository:
  rC Clang

https://reviews.llvm.org/D43818

Files:
  lib/Driver/ToolChain.cpp
  lib/Driver/ToolChains/CommonArgs.cpp
  lib/Driver/ToolChains/Gnu.cpp


Index: lib/Driver/ToolChains/Gnu.cpp
===================================================================
--- lib/Driver/ToolChains/Gnu.cpp
+++ lib/Driver/ToolChains/Gnu.cpp
@@ -242,11 +242,13 @@
                                 ArgStringList &CmdArgs) {
   CmdArgs.push_back("--no-as-needed");
   CmdArgs.push_back("-lpthread");
-  CmdArgs.push_back("-lrt");
+  if (TC.getTriple().getOS() != llvm::Triple::OpenBSD)
+    CmdArgs.push_back("-lrt");
   CmdArgs.push_back("-lm");
 
   if (TC.getTriple().getOS() != llvm::Triple::FreeBSD &&
-      TC.getTriple().getOS() != llvm::Triple::NetBSD)
+      TC.getTriple().getOS() != llvm::Triple::NetBSD &&
+      TC.getTriple().getOS() != llvm::Triple::OpenBSD)
     CmdArgs.push_back("-ldl");
 }
 
Index: lib/Driver/ToolChains/CommonArgs.cpp
===================================================================
--- lib/Driver/ToolChains/CommonArgs.cpp
+++ lib/Driver/ToolChains/CommonArgs.cpp
@@ -542,16 +542,19 @@
   // There's no libpthread or librt on RTEMS.
   if (TC.getTriple().getOS() != llvm::Triple::RTEMS) {
     CmdArgs.push_back("-lpthread");
-    CmdArgs.push_back("-lrt");
+    if (TC.getTriple().getOS() != llvm::Triple::OpenBSD)
+      CmdArgs.push_back("-lrt");
   }
   CmdArgs.push_back("-lm");
   // There's no libdl on all OSes.
   if (TC.getTriple().getOS() != llvm::Triple::FreeBSD &&
       TC.getTriple().getOS() != llvm::Triple::NetBSD &&
+      TC.getTriple().getOS() != llvm::Triple::OpenBSD &&
       TC.getTriple().getOS() != llvm::Triple::RTEMS)
     CmdArgs.push_back("-ldl");
   // Required for backtrace on some OSes
   if (TC.getTriple().getOS() == llvm::Triple::NetBSD ||
+      TC.getTriple().getOS() == llvm::Triple::OpenBSD ||
       TC.getTriple().getOS() == llvm::Triple::FreeBSD)
     CmdArgs.push_back("-lexecinfo");
 }
Index: lib/Driver/ToolChain.cpp
===================================================================
--- lib/Driver/ToolChain.cpp
+++ lib/Driver/ToolChain.cpp
@@ -327,6 +327,8 @@
   switch (Triple.getOS()) {
   case llvm::Triple::FreeBSD:
     return "freebsd";
+  case llvm::Triple::OpenBSD:
+    return "openbsd";
   case llvm::Triple::Solaris:
     return "sunos";
   default:


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