diff -ru pgn-extract-16-2-orig/Makefile pgn-extract-16-2/Makefile
--- pgn-extract-16-2-orig/Makefile	2007-11-22 02:43:31.000000000 +0100
+++ pgn-extract-16-2/Makefile	2007-11-22 02:47:09.000000000 +0100
@@ -33,9 +33,8 @@
 # Mac OS X users might need to add  -D__unix__ to CFLAGS
 # and use CC=cc
 
-CFLAGS+=-c -pedantic -Wall -Wshadow -Wformat -Wpointer-arith \
-	-Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings $(DEBUGINFO)\
-	-I/usr/local/lib/ansi-include
+CFLAGS+=-c -pedantic -Wall -Wshadow -Wformat -Wpointer-arith -D__unix__ \
+	-Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings $(DEBUGINFO)
 CC=gcc
 
 # AIX 3.2 Users might like to use these alternatives for CFLAGS and CC.