[PATCH] D13229: Add -Wc, option
don hinton via cfe-commits
cfe-commits at lists.llvm.org
Mon Sep 28 14:54:53 PDT 2015
hintonda created this revision.
hintonda added a subscriber: cfe-commits.
Add -Wc,<arg> option (similar to -Wl,<arg>) to go along with -Xclang. This makes it easier to pass multiple options to cc1.
http://reviews.llvm.org/D13229
Files:
include/clang/Driver/Options.td
lib/Driver/Tools.cpp
Index: lib/Driver/Tools.cpp
===================================================================
--- lib/Driver/Tools.cpp
+++ lib/Driver/Tools.cpp
@@ -5080,9 +5080,9 @@
A->claim();
}
- // Forward -Xclang arguments to -cc1, and -mllvm arguments to the LLVM option
- // parser.
- Args.AddAllArgValues(CmdArgs, options::OPT_Xclang);
+ // Forward -Xclang, and -Wc, arguments to -cc1, and -mllvm arguments to the
+ // LLVM option parser.
+ Args.AddAllArgValues(CmdArgs, options::OPT_Xclang, options::OPT_Wc_COMMA);
for (const Arg *A : Args.filtered(options::OPT_mllvm)) {
A->claim();
Index: include/clang/Driver/Options.td
===================================================================
--- include/clang/Driver/Options.td
+++ include/clang/Driver/Options.td
@@ -298,6 +298,9 @@
def Wdeprecated : Flag<["-"], "Wdeprecated">, Group<W_Group>, Flags<[CC1Option]>;
def Wno_deprecated : Flag<["-"], "Wno-deprecated">, Group<W_Group>, Flags<[CC1Option]>;
def Wextra : Flag<["-"], "Wextra">, Group<W_Group>, Flags<[CC1Option]>;
+def Wc_COMMA : CommaJoined<["-"], "Wc,">, Flags<[DriverOption, CoreOption]>,
+ HelpText<"Pass the comma separated arguments in <arg> to the clang compiler">,
+ MetaVarName<"<arg>">;
def Wl_COMMA : CommaJoined<["-"], "Wl,">, Flags<[LinkerInput, RenderAsInput]>,
HelpText<"Pass the comma separated arguments in <arg> to the linker">,
MetaVarName<"<arg>">;
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