Gentoo splits ncurses into several independent libraries. Therefore this needs to be linked with more than just -lncurses.

Pascal Jäger <pascal.jaeger@leimstift.de> (2024-02-19)

--- a/src/Makefile
+++ b/src/Makefile
@@ -64,7 +64,7 @@ debug: flags_$(BOXES_PLATFORM) | $(OUT_DIR)
 	    CFLAGS_ADDTL="-ggdb3 $(CFLAGS_ADDTL)" flags_$(BOXES_PLATFORM) $(BOXES_EXECUTABLE_NAME)
 
 boxes: $(ALL_OBJ) | check_dir
-	$(CC) $(LDFLAGS) $^ -o $@ -lunistring -lpcre2-32 -lncurses
+	$(CC) $(LDFLAGS) $^ -o $@ -lunistring -lpcre2-32 $(shell pkg-config --libs ncurses)
 	if [ "$(STRIP)" = "true" ] ; then strip $@ ; fi
 
 boxes.static: $(ALL_OBJ) | check_dir