Add support for -fformat-extensions flag.

Obtained from:	lightside@gmx.com

1 files changed, 45 insertions, 0 deletions

diff --git a/lang/clang34/files/patch-fformat_extensions.diff b/lang/clang34/files/patch-fformat_extensions.diff
new file mode 100644
index 000000000000..39329986b85f
--- /dev/null
+++ b/lang/clang34/files/patch-fformat_extensions.diff
@@ -0,0 +1,45 @@
+diff -ruN tools/clang/include/clang/Basic/LangOptions.def tools/clang/include/clang/Basic/LangOptions.def
+--- tools/clang/include/clang/Basic/LangOptions.def	2013-11-06 23:31:51.000000000 +0400
++++ tools/clang/include/clang/Basic/LangOptions.def	2014-10-24 20:19:55.000000000 +0400
+@@ -84,6 +84,7 @@
+ LANGOPT(RTTI              , 1, 1, "run-time type information")
+ LANGOPT(MSBitfields       , 1, 0, "Microsoft-compatible structure layout")
+ LANGOPT(Freestanding, 1, 0, "freestanding implementation")
++LANGOPT(FormatExtensions  , 1, 0, "FreeBSD format extensions")
+ LANGOPT(NoBuiltin         , 1, 0, "disable builtin functions")
+ LANGOPT(NoMathBuiltin     , 1, 0, "disable math builtin functions")
+ 
+diff -ruN tools/clang/include/clang/Driver/Options.td tools/clang/include/clang/Driver/Options.td
+--- tools/clang/include/clang/Driver/Options.td	2013-11-17 20:03:29.000000000 +0400
++++ tools/clang/include/clang/Driver/Options.td	2014-10-24 20:16:16.000000000 +0400
+@@ -530,6 +530,8 @@
+ 
+ def ffreestanding : Flag<["-"], "ffreestanding">, Group<f_Group>, Flags<[CC1Option]>,
+   HelpText<"Assert that the compilation takes place in a freestanding environment">;
++def fformat_extensions: Flag<["-"], "fformat-extensions">, Group<f_Group>, Flags<[CC1Option]>,
++  HelpText<"Enable FreeBSD kernel specific format string extensions">;
+ def fgnu_keywords : Flag<["-"], "fgnu-keywords">, Group<f_Group>, Flags<[CC1Option]>,
+   HelpText<"Allow GNU-extension keywords regardless of language standard">;
+ def fgnu89_inline : Flag<["-"], "fgnu89-inline">, Group<f_Group>, Flags<[CC1Option]>,
+diff -ruN tools/clang/lib/Driver/Tools.cpp tools/clang/lib/Driver/Tools.cpp
+--- tools/clang/lib/Driver/Tools.cpp	2014-04-12 00:31:24.000000000 +0400
++++ tools/clang/lib/Driver/Tools.cpp	2014-10-24 20:17:22.000000000 +0400
+@@ -2984,6 +2984,7 @@
+ 
+   // Forward -f (flag) options which we can pass directly.
+   Args.AddLastArg(CmdArgs, options::OPT_femit_all_decls);
++  Args.AddLastArg(CmdArgs, options::OPT_fformat_extensions);
+   Args.AddLastArg(CmdArgs, options::OPT_fheinous_gnu_extensions);
+   Args.AddLastArg(CmdArgs, options::OPT_flimit_debug_info);
+   Args.AddLastArg(CmdArgs, options::OPT_fno_limit_debug_info);
+diff -ruN tools/clang/lib/Frontend/CompilerInvocation.cpp tools/clang/lib/Frontend/CompilerInvocation.cpp
+--- tools/clang/lib/Frontend/CompilerInvocation.cpp	2013-11-18 17:23:07.000000000 +0400
++++ tools/clang/lib/Frontend/CompilerInvocation.cpp	2014-10-24 20:18:26.000000000 +0400
+@@ -1319,6 +1319,7 @@
+   Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar);
+   Opts.ShortEnums = Args.hasArg(OPT_fshort_enums);
+   Opts.Freestanding = Args.hasArg(OPT_ffreestanding);
++  Opts.FormatExtensions = Args.hasArg(OPT_fformat_extensions);
+   Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding;
+   Opts.NoMathBuiltin = Args.hasArg(OPT_fno_math_builtin);
+   Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new);