checking for ints won't work, since they are 32 bit on both platforms

Zend/configure.in

@@ -80,7 +80,7 @@ dnl This is required for QNX and may be some BSD derived systems
 AC_CHECK_TYPE( uint, unsigned int )
 AC_CHECK_TYPE( ulong, unsigned long )
 
-AC_CHECK_SIZEOF(int, 4)
+AC_CHECK_SIZEOF(long, 4)
 
 dnl Checks for library functions.
 AC_FUNC_VPRINTF

Zend/zend.h

@@ -45,7 +45,7 @@
 #include "zend_errors.h"
 #include "zend_alloc.h"
 
-#if SIZEOF_INT == 8
+#if SIZEOF_LONG == 8
 typedef unsigned int zend_bool;
 #else
 typedef unsigned char zend_bool;