svn commit: r263891 - head/contrib/llvm/tools/clang/lib/Driver

Dimitry Andric dim at FreeBSD.org
Sat Mar 29 00:25:28 UTC 2014


Author: dim
Date: Sat Mar 29 00:25:27 2014
New Revision: 263891
URL: http://svnweb.freebsd.org/changeset/base/263891

Log:
  Make clang default to DWARF2 debug info format for FreeBSD 10.x and
  earlier.  For head, this commit does not change anything, but it is
  purely meant to be MFC'd.
  
  MFC after:	3 days

Modified:
  head/contrib/llvm/tools/clang/lib/Driver/Tools.cpp

Modified: head/contrib/llvm/tools/clang/lib/Driver/Tools.cpp
==============================================================================
--- head/contrib/llvm/tools/clang/lib/Driver/Tools.cpp	Fri Mar 28 23:20:56 2014	(r263890)
+++ head/contrib/llvm/tools/clang/lib/Driver/Tools.cpp	Sat Mar 29 00:25:27 2014	(r263891)
@@ -2635,8 +2635,10 @@ void Clang::ConstructJob(Compilation &C,
       CmdArgs.push_back("-gdwarf-4");
     else if (!A->getOption().matches(options::OPT_g0) &&
              !A->getOption().matches(options::OPT_ggdb0)) {
-      // Default is dwarf-2 for darwin.
-      if (getToolChain().getTriple().isOSDarwin())
+      // Default is dwarf-2 for darwin and FreeBSD <= 10.
+      const llvm::Triple &Triple = getToolChain().getTriple();
+      if (Triple.isOSDarwin() || (Triple.getOS() == llvm::Triple::FreeBSD &&
+          Triple.getOSMajorVersion() <= 10))
         CmdArgs.push_back("-gdwarf-2");
       else
         CmdArgs.push_back("-g");


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