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-rw-r--r--build2/utility.hxx16
1 files changed, 9 insertions, 7 deletions
diff --git a/build2/utility.hxx b/build2/utility.hxx
index 6e76f05..0beec2e 100644
--- a/build2/utility.hxx
+++ b/build2/utility.hxx
@@ -388,15 +388,17 @@ namespace build2
verbosity, pp, args, forward<F> (f), error, ignore_exit, checksum);
}
- // Empty/nullopt string and path.
+ // Empty/nullopt string, path, and project name.
//
- extern const string empty_string;
- extern const path empty_path;
- extern const dir_path empty_dir_path;
+ extern const string empty_string;
+ extern const path empty_path;
+ extern const dir_path empty_dir_path;
+ extern const project_name empty_project_name;
- extern const optional<string> nullopt_string;
- extern const optional<path> nullopt_path;
- extern const optional<dir_path> nullopt_dir_path;
+ extern const optional<string> nullopt_string;
+ extern const optional<path> nullopt_path;
+ extern const optional<dir_path> nullopt_dir_path;
+ extern const optional<project_name> nullopt_project_name;
// Hash a path potentially without the specific directory prefix.
//