diff '--color=auto' -u -r fltk-1.3.11.org/Makefile fltk-1.3.11/Makefile
--- fltk-1.3.11.org/Makefile	2025-12-28 23:11:47.266650637 +0900
+++ fltk-1.3.11/Makefile	2025-12-28 23:24:45.148576654 +0900
@@ -16,7 +16,7 @@
 
 include makeinclude
 
-DIRS = $(IMAGEDIRS) src $(CAIRODIR) fluid test documentation
+DIRS = $(IMAGEDIRS) src $(CAIRODIR) fluid documentation
 
 all: makeinclude fltk-config
 	for dir in $(DIRS); do\