void architecture(const std::string &);
void binpkg(const std::string &);
void build_type(const std::string &);
void architecture(const std::string &);
void binpkg(const std::string &);
void build_type(const std::string &);
/** Loads a build file. If opts is not null, it is used to configure any
packages loaded from this file. If all is true, external packages are also
/** Loads a build file. If opts is not null, it is used to configure any
packages loaded from this file. If all is true, external packages are also