LP64 fix, clean-up.

Approved by:	maintainer

games/zoom/Makefile

@@ -10,33 +10,25 @@ PORTVERSION=	1.0.1a
 PORTREVISION=	1
 CATEGORIES=	games
 MASTER_SITES=	http://www.logicalshift.demon.co.uk/unix/${PORTNAME}/
-DISTFILES=	${DISTFILE_SRC} ${DISTFILE_PATCH}
-EXTRACT_ONLY=	${DISTFILE_SRC}
+DISTFILES=	${PORTNAME}-1.0.1.tar.gz
+
+PATCHFILES=	zoom-1.0.1-1.0.1a.patch
+PATCH_DIST_STRIP=-p1
 
 MAINTAINER=	Jan.Stocker@t-online.de
 COMMENT=	Z-Interpreter for X with full V6 support
 
 LIB_DEPENDS=	png.5:${PORTSDIR}/graphics/png
 
-NOT_FOR_ARCHS=	sparc64
-
 USE_PERL5=	yes
 USE_XLIB=	yes
 USE_GMAKE=	yes
 GNU_CONFIGURE=	yes
 
-DISTFILE_SRC=	${PORTNAME}-1.0.1.tar.gz
-DISTFILE_PATCH=	zoom-1.0.1-1.0.1a.patch
-WRKSRC=		${WRKDIR}/${PORTNAME}-${PORTVERSION}
-
 CONFIGURE_ENV=	CFLAGS="${CFLAGS} -I${LOCALBASE}/include" \
 		LDFLAGS="${LDFLAGS} -L${LOCALBASE}/lib"
 
-MAKE_ENV=	${CONFIGURE_ENV}
-
 post-extract:
 	${MV} ${WRKDIR}/${PORTNAME}-1.0.1 ${WRKSRC}
-	@cd ${WRKDIR} && \
-		${PATCH} < ${DISTDIR}/${DISTFILE_PATCH}
 
 .include <bsd.port.mk>

games/zoom/files/patch-src_hash.c

@@ -0,0 +1,25 @@
+
+$FreeBSD$
+
+--- src/hash.c.orig	Thu Jul 25 20:10:02 2002
++++ src/hash.c	Wed Mar 10 16:00:01 2004
+@@ -81,7 +81,7 @@
+         for (i = 0; i < 256; ++i) {
+                 for (c = i << 24, j = 8; j > 0; --j)
+                         c = c & 0x80000000 ? (c << 1) ^ CRC32_POLY : (c << 1);
+-                crc32_table[i] = c;
++                crc32_table[i] = c & 0xffffffff;
+         }
+ }
+ 
+@@ -95,8 +95,8 @@
+     init_crc32();   /* build table */
+   crc = 0xffffffff;       /* preload shift register, per CRC-32 spec */
+   for (p = buf; len > 0; ++p, --len)
+-    crc = (crc << 8) ^ crc32_table[(crc >> 24) ^ *p];
+-  return ~crc;            /* transmit complement, per CRC-32 spec */  
++    crc = ((crc << 8) ^ crc32_table[(crc >> 24) ^ *p]) & 0xffffffff;
++  return ~crc & 0xffffffff;     /* transmit complement, per CRC-32 spec */  
+ }
+ 
+ static struct bucket *hash_lookup(hash          hash,