diff -ru tix/unix/tk8.1/Makefile.in tix/unix/tk8.1/Makefile.in
--- tix/unix/tk8.1/Makefile.in	2001-09-08 16:25:55.000000000 -0700
+++ tix/unix/tk8.1/Makefile.in	2006-07-19 18:42:37.000000000 -0700
@@ -46,7 +46,7 @@
 # To change the compiler switches, for example to change from -O
 # to -g, change the following line:
 CFLAGS = -O
-TIX_CFLAGS = $(CFLAGS) -fwritable-strings
+TIX_CFLAGS = $(CFLAGS)
 
 # To disable ANSI-C procedure prototypes reverse the comment characters
 # on the following lines: