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// file : build2/cxx/utility.txx -*- C++ -*-
// copyright : Copyright (c) 2014-2016 Code Synthesis Ltd
// license : MIT; see accompanying LICENSE file
using namespace std;
namespace build2
{
namespace cxx
{
template <typename T>
bool
translate_std (T& t, string& s)
{
if (auto l = t["cxx.std"])
{
const string& v (cast<string> (l));
// Translate 11 to 0x and 14 to 1y for compatibility with older
// versions of the compiler.
//
s = "-std=c++";
if (v == "11")
s += "0x";
else if (v == "14")
s += "1y";
else
s += v;
return true;
}
return false;
}
template <typename T>
inline void
append_std (cstrings& args, T& t, string& s)
{
if (translate_std (t, s))
args.push_back (s.c_str ());
}
template <typename T>
inline void
hash_std (sha256& csum, T& t)
{
string s;
if (translate_std (t, s))
csum.append (s);
}
}
}
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