Revert r332955 "GNUstep Objective-C ABI version 2"

Reverted due to buildbot failures.
Seems like isnumber() is some Apple addition to cctype.

llvm-svn: 332957

1 files changed, 0 insertions, 13 deletions

diff --git a/clang/lib/Frontend/InitPreprocessor.cpp b/clang/lib/Frontend/InitPreprocessor.cpp
index 5bdfa14884d..f2182c8ebc6 100644
--- a/clang/lib/Frontend/InitPreprocessor.cpp
+++ b/clang/lib/Frontend/InitPreprocessor.cpp
@@ -645,19 +645,6 @@ static void InitializePredefinedMacros(const TargetInfo &TI,
     if (LangOpts.ObjCRuntime.isNeXTFamily())
       Builder.defineMacro("__NEXT_RUNTIME__");
 
-    if (LangOpts.ObjCRuntime.getKind() == ObjCRuntime::GNUstep) {
-      auto version = LangOpts.ObjCRuntime.getVersion();
-      std::string versionString = "1";
-      // Don't rely on the tuple argument, because we can be asked to target
-      // later ABIs than we actually support, so clamp these values to those
-      // currently supported
-      if (version >= VersionTuple(2, 0))
-        Builder.defineMacro("__OBJC_GNUSTEP_RUNTIME_ABI__", "20");
-      else
-        Builder.defineMacro("__OBJC_GNUSTEP_RUNTIME_ABI__",
-            "1" + Twine(std::min(8U, version.getMinor().getValueOr(0))));
-    }
-
     if (LangOpts.ObjCRuntime.getKind() == ObjCRuntime::ObjFW) {
       VersionTuple tuple = LangOpts.ObjCRuntime.getVersion();