Pass -fdiagnostics-show-option to clang-cc by default.
- <rdar://problem/6796848> implement -fdiagnostics-show-option
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69276 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/Driver/Options.def b/include/clang/Driver/Options.def
index 52627ec..bbc5901 100644
--- a/include/clang/Driver/Options.def
+++ b/include/clang/Driver/Options.def
@@ -364,6 +364,7 @@
OPTION("-fcreate-profile", fcreate_profile, Flag, f_Group, INVALID, "", 0, 0, 0)
OPTION("-fdebug-pass-arguments", fdebug_pass_arguments, Flag, f_Group, INVALID, "", 0, 0, 0)
OPTION("-fdebug-pass-structure", fdebug_pass_structure, Flag, f_Group, INVALID, "", 0, 0, 0)
+OPTION("-fdiagnostics-show-option", fdiagnostics_show_option, Flag, f_Group, INVALID, "", 0, 0, 0)
OPTION("-fdollars-in-identifiers", fdollars_in_identifiers, Flag, clang_ignored_f_Group, INVALID, "", 0, 0, 0)
OPTION("-feliminate-unused-debug-symbols", feliminate_unused_debug_symbols, Flag, f_Group, INVALID, "", 0, 0, 0)
OPTION("-femit-all-decls", femit_all_decls, Flag, f_Group, INVALID, "", 0, 0, 0)
@@ -394,6 +395,7 @@
OPTION("-fno-caret-diagnostics", fno_caret_diagnostics, Flag, f_Group, INVALID, "", 0, 0, 0)
OPTION("-fno-common", fno_common, Flag, f_Group, INVALID, "", 0, 0, 0)
OPTION("-fno-constant-cfstrings", fno_constant_cfstrings, Flag, f_Group, INVALID, "", 0, 0, 0)
+OPTION("-fno-diagnostics-show-option", fno_diagnostics_show_option, Flag, f_Group, INVALID, "", 0, 0, 0)
OPTION("-fno-eliminate-unused-debug-symbols", fno_eliminate_unused_debug_symbols, Flag, f_Group, INVALID, "", 0, 0, 0)
OPTION("-fno-inline-functions", fno_inline_functions, Flag, clang_ignored_f_Group, INVALID, "", 0, 0, 0)
OPTION("-fno-inline", fno_inline, Flag, clang_ignored_f_Group, INVALID, "", 0, 0, 0)
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index 60bcb0f..8e4abb1 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -479,6 +479,11 @@
D.Diag(clang::diag::warn_drv_clang_unsupported)
<< Args.getLastArg(options::OPT_funsigned_bitfields)->getAsString(Args);
+ // Enable -fdiagnostics-show-option by default.
+ if (Args.hasFlag(options::OPT_fdiagnostics_show_option,
+ options::OPT_fno_diagnostics_show_option))
+ CmdArgs.push_back("-fdiagnostics-show-option");
+
Args.AddLastArg(CmdArgs, options::OPT_dM);
Args.AddLastArg(CmdArgs, options::OPT_dD);