r326645 - Better OpenBSD frontend support

[Kamil Rytarowski via cfe-commits]

Author: kamil
Date: Sat Mar  3 03:47:27 2018
New Revision: 326645

URL: http://llvm.org/viewvc/llvm-project?rev=326645&view=rev
Log:
Better OpenBSD frontend support

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

Patch by: David CARLIER

Reviewers: dlj, krytarowski, vitalybuka

Reviewed By: vitalybuka

Subscribers: krytarowski, cfe-commits

Differential Revision: https://reviews.llvm.org/D43818

Modified:
    cfe/trunk/lib/Driver/ToolChain.cpp
    cfe/trunk/lib/Driver/ToolChains/CommonArgs.cpp
    cfe/trunk/lib/Driver/ToolChains/Gnu.cpp

Modified: cfe/trunk/lib/Driver/ToolChain.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/ToolChain.cpp?rev=326645&r1=326644&r2=326645&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/ToolChain.cpp (original)
+++ cfe/trunk/lib/Driver/ToolChain.cpp Sat Mar  3 03:47:27 2018
@@ -329,6 +329,8 @@ StringRef ToolChain::getOSLibName() cons
     return "freebsd";
   case llvm::Triple::NetBSD:
     return "netbsd";
+  case llvm::Triple::OpenBSD:
+    return "openbsd";
   case llvm::Triple::Solaris:
     return "sunos";
   default:

Modified: cfe/trunk/lib/Driver/ToolChains/CommonArgs.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/ToolChains/CommonArgs.cpp?rev=326645&r1=326644&r2=326645&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/ToolChains/CommonArgs.cpp (original)
+++ cfe/trunk/lib/Driver/ToolChains/CommonArgs.cpp Sat Mar  3 03:47:27 2018
@@ -542,12 +542,14 @@ void tools::linkSanitizerRuntimeDeps(con
   // 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

Modified: cfe/trunk/lib/Driver/ToolChains/Gnu.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/ToolChains/Gnu.cpp?rev=326645&r1=326644&r2=326645&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/ToolChains/Gnu.cpp (original)
+++ cfe/trunk/lib/Driver/ToolChains/Gnu.cpp Sat Mar  3 03:47:27 2018
@@ -242,11 +242,13 @@ static void linkXRayRuntimeDeps(const To
                                 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");
 }