diff options
| -rw-r--r-- | build2/install/rule.cxx | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/build2/install/rule.cxx b/build2/install/rule.cxx index f764363..75de96f 100644 --- a/build2/install/rule.cxx +++ b/build2/install/rule.cxx @@ -340,6 +340,9 @@ namespace build2 // installation directory name, e.g., bin, sbin, lib, etc. Look it // up and recurse. // + if (d.empty ()) + fail << "empty installation directory name"; + const string& sn (*d.begin ()); const string var ("install." + sn); if (const dir_path* dn = lookup_install<dir_path> (s, var)) |