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Filter a few more options not recognized by gcc. <rdar://problem/10814020>

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These are new options that gcc doesn't recognize so the clang driver needs
to remove them when it falls back to invoking gcc.

llvm-svn: 149951
This commit is contained in:
Bob Wilson
2012-02-07 01:17:55 +00:00
parent 96efec99eb
commit 7ecbd32e4e
1 changed files with 17 additions and 3 deletions
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20
clang/lib/Driver/Tools.cpp
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@@ -3003,13 +3003,27 @@ void darwin::CC1::RemoveCC1UnsupportedArgs(ArgStringList &CmdArgs) const {
StringRef Option = *it;
bool RemoveOption = false;
// Remove -faltivec
if (Option.equals("-faltivec")) {
it = CmdArgs.erase(it);
// Erase both -fmodule-cache-path and its argument.
if (Option.equals("-fmodule-cache-path") && it+2 != ie) {
it = CmdArgs.erase(it, it+2);
ie = CmdArgs.end();
continue;
}
// Remove unsupported -f options.
if (Option.startswith("-f")) {
// Remove -f/-fno- to reduce the number of cases.
if (Option.startswith("-fno-"))
Option = Option.substr(5);
else
Option = Option.substr(2);
RemoveOption = llvm::StringSwitch<bool>(Option)
.Case("altivec", true)
.Case("modules", true)
.Case("diagnostics-show-note-include-stack", true)
.Default(false);
}
// Handle machine specific options.
if (Option.startswith("-m")) {
RemoveOption = llvm::StringSwitch<bool>(Option)