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Make using '-fshort-enums' an error until it is actually implemented (changes the ABI, so it is dangerous to not error out if we don't support it). Fixes <rdar://problem/7461006>. 

llvm-svn: 91191
This commit is contained in:
Ted Kremenek 2009-12-12 00:38:18 +00:00
parent e363c8e1df
commit eadc7c3537
3 changed files with 6 additions and 1 deletions
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1
clang/include/clang/Driver/Options.td
View File

@ -327,6 +327,7 @@ def fprofile_generate : Flag<"-fprofile-generate">, Group<f_Group>;
def framework : Separate<"-framework">, Flags<[LinkerInput]>;
def frtti : Flag<"-frtti">, Group<f_Group>;
def fsched_interblock : Flag<"-fsched-interblock">, Group<clang_ignored_f_Group>;
def fshort_enums : Flag<"-fshort-enums">, Group<clang_ignored_f_Group>;
def freorder_blocks : Flag<"-freorder-blocks">, Group<clang_ignored_f_Group>;
def fshort_wchar : Flag<"-fshort-wchar">, Group<f_Group>;
def fshow_source_location : Flag<"-fshow-source-location">, Group<f_Group>;

3
clang/lib/Driver/Tools.cpp
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@ -798,7 +798,8 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
Arg *Unsupported;
if ((Unsupported = Args.getLastArg(options::OPT_MG)) ||
(Unsupported = Args.getLastArg(options::OPT_MQ)) ||
(Unsupported = Args.getLastArg(options::OPT_iframework)))
(Unsupported = Args.getLastArg(options::OPT_iframework)) ||
(Unsupported = Args.getLastArg(options::OPT_fshort_enums)))
D.Diag(clang::diag::err_drv_clang_unsupported)
<< Unsupported->getOption().getName();

3
clang/test/Driver/clang_f_opts.c
View File

@ -7,3 +7,6 @@
// RUN: grep -F '"-fno-math-errno"' %t
// RUN: grep -F '"-fno-show-source-location"' %t
// RUN: grep -F '"-fshort-wchar"' %t
// RUN: clang -fshort-enums -x c /dev/null 2>&1 | FileCheck -check-prefix=CHECK-SHORT-ENUMS %s
// CHECK-SHORT-ENUMS: compiler does not support '-fshort-enums'