Author: dim
Date: Tue Oct 18 17:37:18 2011
New Revision: 226518
URL: http://svn.freebsd.org/changeset/base/226518

Log:
  Fix the way clang retrieves the major FreeBSD release number from the
  target triple, so that the __FreeBSD__ and __FreeBSD_cc_version builtin
  macros return the expected results.
  
  Spotted by:   nalitoja at gmail.com

Modified:
  head/contrib/llvm/tools/clang/lib/Basic/Targets.cpp

Modified: head/contrib/llvm/tools/clang/lib/Basic/Targets.cpp
==============================================================================
--- head/contrib/llvm/tools/clang/lib/Basic/Targets.cpp Tue Oct 18 16:37:28 
2011        (r226517)
+++ head/contrib/llvm/tools/clang/lib/Basic/Targets.cpp Tue Oct 18 17:37:18 
2011        (r226518)
@@ -238,11 +238,12 @@ protected:
                             MacroBuilder &Builder) const {
     // FreeBSD defines; list based off of gcc output
 
-    // FIXME: Move version number handling to llvm::Triple.
-    llvm::StringRef Release = Triple.getOSName().substr(strlen("freebsd"), 1);
+    unsigned Release = Triple.getOSMajorVersion();
+    if (Release == 0U)
+      Release = 8U;
 
-    Builder.defineMacro("__FreeBSD__", Release);
-    Builder.defineMacro("__FreeBSD_cc_version", Release + "00001");
+    Builder.defineMacro("__FreeBSD__", Twine(Release));
+    Builder.defineMacro("__FreeBSD_cc_version", Twine(Release * 100000U + 1U));
     Builder.defineMacro("__KPRINTF_ATTRIBUTE__");
     DefineStd(Builder, "unix", Opts);
     Builder.defineMacro("__ELF__");
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