diff options
Diffstat (limited to 'build/file.cxx')
| -rw-r--r-- | build/file.cxx | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/build/file.cxx b/build/file.cxx index f6fdd10..8f51660 100644 --- a/build/file.cxx +++ b/build/file.cxx @@ -338,7 +338,7 @@ namespace build name = move (as<string> (v)); } - level5 ([&]{trace << "extracted project name " << name << " for " + level5 ([&]{trace << "extracted project name '" << name << "' for " << *src_root;}); return name; } @@ -379,6 +379,15 @@ namespace build // string name (find_project_name (sd, dir_path (), &src)); + // If the name is empty, then is is an unnamed project. While the + // 'project' variable stays empty, here we come up with a surrogate + // name for a key. The idea is that such a key should never conflict + // with a real project name. We ensure this by using the project's + // sub-directory and appending trailing '/' to it. + // + if (name.empty ()) + name = dir.posix_string () + '/'; + // @@ Can't use move() because we may need the values in diagnostics // below. Looks like C++17 try_emplace() is what we need. // @@ -571,9 +580,14 @@ namespace build // was specified by the user so it is most likely in our // src. // - i = v.data_.emplace ( - i, - find_project_name (out_root / d, src_root / d)); + string n (find_project_name (out_root / d, src_root / d)); + + // See find_subprojects() for details on unnamed projects. + // + if (n.empty ()) + n = d.posix_string () + '/'; + + i = v.data_.emplace (i, move (n)); i->pair = '='; ++i; |