--- makefile.orig	2009-04-21 23:56:03.000000000 -0700
+++ makefile	2009-04-21 23:56:05.000000000 -0700
@@ -25,12 +25,14 @@
 CFLAGS = -g
 CFLAGS = -O2
 CFLAGS =
+CFLAGS = -DHAS_ISBLANK __CFLAGS__
 
 CC = gcc -Wall -g
 CC = cc
 CC = gcc -Wall -g -Wwrite-strings
 CC = gcc -fprofile-arcs -ftest-coverage # then gcov f1.c; cat f1.c.gcov
 CC = gcc -O4 -Wall -pedantic -fno-strict-aliasing
+CC = __CC__ -Wall -g
 
 YACC = bison -y
 YACC = yacc