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Use C as fallback type if in C preprocessor mode. 

llvm-svn: 127769
This commit is contained in:
Joerg Sonnenberger 2011-03-16 22:45:02 +00:00
parent b6069255da
commit bdbdf70334
1 changed files with 9 additions and 4 deletions
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13
clang/lib/Driver/Driver.cpp
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@ -725,14 +725,19 @@ void Driver::BuildActions(const ToolChain &TC, const DerivedArgList &Args,
Diag(clang::diag::err_drv_unknown_stdin_type);
Ty = types::TY_C;
} else {
// Otherwise lookup by extension, and fallback to ObjectType if not
// found. We use a host hook here because Darwin at least has its own
// Otherwise lookup by extension.
// Fallback is C if invoked as C preprocessor or Object otherwise.
// We use a host hook here because Darwin at least has its own
// idea of what .s is.
if (const char *Ext = strrchr(Value, '.'))
Ty = TC.LookupTypeForExtension(Ext + 1);
if (Ty == types::TY_INVALID)
Ty = types::TY_Object;
if (Ty == types::TY_INVALID) {
if (CCCIsCPP)
Ty = types::TY_C;
else
Ty = types::TY_Object;
}
// If the driver is invoked as C++ compiler (like clang++ or c++) it
// should autodetect some input files as C++ for g++ compatibility.