+#ifdef HAVE_BASIC_DIAGNOSTICOPTIONS_H
+
+static TextDiagnosticPrinter *construct_printer(void)
+{
+ return new TextDiagnosticPrinter(llvm::errs(), new DiagnosticOptions());
+}
+
+#else
+
+static TextDiagnosticPrinter *construct_printer(void)
+{
+ DiagnosticOptions DO;
+ return new TextDiagnosticPrinter(llvm::errs(), DO);
+}
+
+#endif
+
+#ifdef CREATETARGETINFO_TAKES_POINTER
+
+static TargetInfo *create_target_info(CompilerInstance *Clang,
+ DiagnosticsEngine &Diags)
+{
+ TargetOptions &TO = Clang->getTargetOpts();
+ TO.Triple = llvm::sys::getDefaultTargetTriple();
+ return TargetInfo::CreateTargetInfo(Diags, &TO);
+}
+
+#else
+
+static TargetInfo *create_target_info(CompilerInstance *Clang,
+ DiagnosticsEngine &Diags)
+{
+ TargetOptions &TO = Clang->getTargetOpts();
+ TO.Triple = llvm::sys::getDefaultTargetTriple();
+ return TargetInfo::CreateTargetInfo(Diags, TO);
+}
+
+#endif
+
+#ifdef CREATEDIAGNOSTICS_TAKES_ARG
+
+static void create_diagnostics(CompilerInstance *Clang)
+{
+ Clang->createDiagnostics(0, NULL, construct_printer());
+}
+
+#else
+
+static void create_diagnostics(CompilerInstance *Clang)
+{
+ Clang->createDiagnostics(construct_printer());
+}
+
+#endif
+
+#ifdef ADDPATH_TAKES_4_ARGUMENTS
+
+void add_path(HeaderSearchOptions &HSO, string Path)
+{
+ HSO.AddPath(Path, frontend::Angled, false, false);
+}
+
+#else
+
+void add_path(HeaderSearchOptions &HSO, string Path)
+{
+ HSO.AddPath(Path, frontend::Angled, true, false, false);
+}
+
+#endif
+