Simplify FreeBSD version parsing.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@94919 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 10 deletions

diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index 5db6aed273..8dbc1b3050 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -195,16 +195,10 @@ protected:
     // FreeBSD defines; list based off of gcc output
 
     // FIXME: Move version number handling to llvm::Triple.
-    const char *FreeBSD = strstr(Triple.getTriple().c_str(),
-                                 "-freebsd");
-    FreeBSD += strlen("-freebsd");
-    char release[] = "X";
-    release[0] = FreeBSD[0];
-    char version[] = "X00001";
-    version[0] = FreeBSD[0];
-
-    Builder.defineMacro("__FreeBSD__", release);
-    Builder.defineMacro("__FreeBSD_cc_version", version);
+    llvm::StringRef Release = Triple.getOSName().substr(strlen("freebsd"), 1);
+
+    Builder.defineMacro("__FreeBSD__", Release);
+    Builder.defineMacro("__FreeBSD_cc_version", Release + "00001");
     Builder.defineMacro("__KPRINTF_ATTRIBUTE__");
     DefineStd(Builder, "unix", Opts);
     Builder.defineMacro("__ELF__");