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Driver: Explicitly ignore -fpch-preprocess when using clang, we don't

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need to do anything special to support this.

llvm-svn: 68403
This commit is contained in:
Daniel Dunbar
2009-04-03 20:51:31 +00:00
parent 53711b34ff
commit c2a7189048
4 changed files with 22 additions and 0 deletions
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4
clang/include/clang/Driver/ArgList.h
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@@ -116,6 +116,10 @@ namespace driver {
void AddAllArgsTranslated(ArgStringList &Output, options::ID Id0,
const char *Translation) const;
/// ClaimAllArgs - Claim all arguments which match the given
/// option id.
void ClaimAllArgs(options::ID Id0) const;
/// @}
/// @name Arg Synthesis
/// @{

1
clang/include/clang/Driver/Options.def
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@@ -454,6 +454,7 @@ OPTION("-force_cpusubtype_ALL", force__cpusubtype__ALL, Flag, INVALID, INVALID,
OPTION("-force_flat_namespace", force__flat__namespace, Flag, INVALID, INVALID, "", 0, 0, 0)
OPTION("-foutput-class-dir=", foutput_class_dir_EQ, Joined, f_Group, INVALID, "", 0, 0, 0)
OPTION("-fpascal-strings", fpascal_strings, Flag, clang_f_Group, INVALID, "", 0, 0, 0)
OPTION("-fpch-preprocess", fpch_preprocess, Flag, f_Group, INVALID, "", 0, 0, 0)
OPTION("-fpic", fpic, Flag, f_Group, INVALID, "", 0, 0, 0)
OPTION("-fpie", fpie, Flag, f_Group, INVALID, "", 0, 0, 0)
OPTION("-fprint-source-range-info", fprint_source_range_info, Flag, clang_f_Group, INVALID, "", 0, 0, 0)

9
clang/lib/Driver/ArgList.cpp
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@@ -140,6 +140,15 @@ void ArgList::AddAllArgsTranslated(ArgStringList &Output, options::ID Id0,
}
}
void ArgList::ClaimAllArgs(options::ID Id0) const {
// FIXME: Make fast.
for (const_iterator it = begin(), ie = end(); it != ie; ++it) {
const Arg *A = *it;
if (A->getOption().matches(Id0))
A->claim();
}
}
//
InputArgList::InputArgList(const char **ArgBegin, const char **ArgEnd)

8
clang/lib/Driver/Tools.cpp
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@@ -415,6 +415,14 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
Args.MakeArgString(getToolChain().GetProgramPath(C, "clang-cc").c_str());
Dest.addCommand(new Command(Exec, CmdArgs));
// Claim some arguments which clang supports automatically.
// -fpch-preprocess is used with gcc to add a special marker in the
// -output to include the PCH file. Clang's PTH solution is
// -completely transparent, so we do not need to deal with it at
// -all.
Args.ClaimAllArgs(options::OPT_fpch_preprocess);
// Claim some arguments which clang doesn't support, but we don't
// care to warn the user about.