portmpkg::get_dependencies: fix getting existing mport

(cherry picked from commit 07950fc4bf)
2026-07-12 18:18:43 -07:00 · 2025-07-25 04:35:54 +10:00
parent a532018dca
commit 34a8e4a5dc
1 changed files with 6 additions and 1 deletions
@@ -100,7 +100,12 @@ proc portmpkg::get_dependencies {mport dep_map base_options variations} {
            lassign $res depname dep_portinfo
            set add_deps 0
            if {[dict exists $dep_map $depname]} {
-                set dep_mport [dict get $dep_map $depname]
+                set dep_map_entry [dict get $dep_map $depname]
+                if {$dep_map_entry eq {}} {
+                    ui_debug "Circular dependency involving $depname"
+                    continue
+                }
+                set dep_mport [lindex $dep_map_entry 0]
                # The dep has already been processed, so there's
                # nothing to do in this case if the archs match.
            } else {