diff -ru crafty-23.4-orig/Makefile crafty-23.4/Makefile
--- crafty-23.4-orig/Makefile	2011-04-25 21:07:29.000000000 +0200
+++ crafty-23.4/Makefile	2011-04-25 21:10:07.000000000 +0200
@@ -66,9 +66,9 @@
 darwin:
 	$(MAKE) target=FreeBSD \
 		CC=gcc CXX=g++ \
-		CFLAGS='-Wall -pipe -O3' \
-		CXFLAGS='-Wall -pipe -O3' \
-		LDFLAGS=$(LDFLAGS) \
+		CFLAGS='$(ARCH) $(CPUS) -Wall -pipe -O3' \
+		CXFLAGS='$(ARCH) $(CPUS) -Wall -pipe -O3' \
+		LDFLAGS='$(LDFLAGS) $(ARCH)' \
 		LIBS='-lstdc++' \
 		opt='$(opt)' \
 		crafty-make
Only in crafty-23.4: Makefile.orig
diff -ru crafty-23.4-orig/chess.h crafty-23.4/chess.h
--- crafty-23.4-orig/chess.h	2011-04-25 21:07:29.000000000 +0200
+++ crafty-23.4/chess.h	2011-04-25 21:13:25.000000000 +0200
@@ -24,7 +24,7 @@
 #include <stdio.h>
 #include <assert.h>
 #include <stdlib.h>
-#if !defined(IPHONE)
+#if !defined(__APPLE__)
 #  include <malloc.h>
 #endif
 #include <string.h>
diff -ru crafty-23.4-orig/lock.h crafty-23.4/lock.h
--- crafty-23.4-orig/lock.h	2011-04-25 21:07:29.000000000 +0200
+++ crafty-23.4/lock.h	2011-04-25 21:08:06.000000000 +0200
@@ -49,7 +49,7 @@
  *                                                                             *
  *******************************************************************************
  */
-#    if defined(POWERPC)
+#    if defined(__APPLE__)
                         /* OS X */
 #      include <libkern/OSAtomic.h>
 #      define lock_t				OSSpinLock
diff -ru crafty-23.4-orig/option.c crafty-23.4/option.c
--- crafty-23.4-orig/option.c	2011-04-25 21:07:29.000000000 +0200
+++ crafty-23.4/option.c	2011-04-25 21:08:06.000000000 +0200
@@ -1093,7 +1093,8 @@
     char *readstat = (char *) -1;
     int lines = 0;
 
-    helpfile = fopen("crafty.hlp", "r");
+    sprintf(log_filename, "%s/crafty.hlp", book_path);
+    helpfile = fopen(log_filename, "r");
     if (!helpfile) {
       printf("ERROR.  Unable to open \"crafty.hlp\" -- help unavailable\n");
       return (1);
Only in crafty-23.4: option.c.orig