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Frontend: Add -cxx-system-include option which can be used to specify an

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explicit list for the C++ system include directories at the -cc1 level, as an
alternative to the horrible AddDefaultCPlusPlusIncludePaths().

llvm-svn: 113505
This commit is contained in:
Daniel Dunbar
2010-09-09 17:38:22 +00:00
parent 1cf2d54987
commit 0166c95fdd
4 changed files with 18 additions and 2 deletions
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6
clang/lib/Frontend/CompilerInvocation.cpp
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@@ -443,6 +443,11 @@ static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts,
Res.push_back(Opts.Sysroot);
}
for (unsigned i = 0, e = Opts.CXXSystemIncludes.size(); i != e; ++i) {
Res.push_back("-cxx-system-include");
Res.push_back(Opts.CXXSystemIncludes[i]);
}
/// User specified include entries.
for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) {
const HeaderSearchOptions::Entry &E = Opts.UserEntries[i];
@@ -1143,6 +1148,7 @@ std::string CompilerInvocation::GetResourcesPath(const char *Argv0,
static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) {
using namespace cc1options;
Opts.CXXSystemIncludes = Args.getAllArgValues(OPT_cxx_system_include);
Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/");
Opts.Verbose = Args.hasArg(OPT_v);
Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc);