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Driver: Run 'clang' in C++ mode based on the name it was invoked by. We match 

anything that ends with ++ or ++-FOO (e.g., c++, clang++, clang++-1.1) as being
a "C++ compiler".

This allows easy testing of the C++ compiler by 'ln -s clang clang++', or by 'cp
clang clang++'.

Based on patch by Roman Divacky.

llvm-svn: 86697
This commit is contained in:
Daniel Dunbar 2009-11-10 18:47:41 +00:00
parent ef2919f1fa
commit f76c9d270a
1 changed files with 9 additions and 0 deletions
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9
clang/tools/driver/driver.cpp
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@ -197,6 +197,15 @@ int main(int argc, const char **argv) {
llvm::sys::getHostTriple().c_str(),
"a.out", IsProduction, Diags);
// Check for ".*++" or ".*++-[^-]*" to determine if we are a C++
// compiler. This matches things like "c++", "clang++", and "clang++-1.1".
//
// Note that we intentionally want to use argv[0] here, to support "clang++"
// being a symlink.
llvm::StringRef ProgName(llvm::sys::Path(argv[0]).getBasename());
if (ProgName.endswith("++") || ProgName.rsplit('-').first.endswith("++"))
TheDriver.CCCIsCXX = true;
llvm::OwningPtr<Compilation> C;
// Handle QA_OVERRIDE_GCC3_OPTIONS and CCC_ADD_ARGS, used for editing a