Module Name:    src
Committed By:   tsutsui
Date:           Sun Jan 22 16:56:22 UTC 2012

Modified Files:
        src/distrib/common/bootimage: Makefile.bootimage

Log Message:
Appease warnings `"expr 0 \* 1024 \* 1024 / 512" returned non-zero status.'

SWAPMB could be zero (in install-image case) and
expr(1) returns exit status 1 in that case.  Umm.


To generate a diff of this commit:
cvs rdiff -u -r1.2 -r1.3 src/distrib/common/bootimage/Makefile.bootimage

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/distrib/common/bootimage/Makefile.bootimage
diff -u src/distrib/common/bootimage/Makefile.bootimage:1.2 src/distrib/common/bootimage/Makefile.bootimage:1.3
--- src/distrib/common/bootimage/Makefile.bootimage:1.2	Sun Jan 22 16:50:00 2012
+++ src/distrib/common/bootimage/Makefile.bootimage	Sun Jan 22 16:56:22 2012
@@ -1,4 +1,4 @@
-#	$NetBSD: Makefile.bootimage,v 1.2 2012/01/22 16:50:00 tsutsui Exp $
+#	$NetBSD: Makefile.bootimage,v 1.3 2012/01/22 16:56:22 tsutsui Exp $
 #
 # Copyright (c) 2009, 2010, 2011 Izumi Tsutsui.  All rights reserved.
 #
@@ -146,8 +146,9 @@ INSTALLBOOT_AFTER_DISKLABEL?=	no
 IMAGEMB?=	2048		# 2048MB
 SWAPMB?=	128		# 128MB
 
+# XXX: SWAPMB could be zero and expr(1) returns exit status 1 in that case
 IMAGESECTORS!=	expr ${IMAGEMB} \* 1024 \* 1024 / 512
-SWAPSECTORS!=	expr ${SWAPMB} \* 1024 \* 1024 / 512
+SWAPSECTORS!=	expr ${SWAPMB} \* 1024 \* 1024 / 512 || true
 
 .if ${USE_MBR} == "no"
 LABELSECTORS?=	0
@@ -176,7 +177,7 @@ SWAPOFFSET!=	expr ${LABELSECTORS} + ${FS
 
 # parameters for sunlabel
 FSCYLINDERS!=	expr ${FSSECTORS} / \( ${HEADS} \* ${SECTORS} \)
-SWAPCYLINDERS!=	expr ${SWAPSECTORS} / \( ${HEADS} \* ${SECTORS} \)
+SWAPCYLINDERS!=	expr ${SWAPSECTORS} / \( ${HEADS} \* ${SECTORS} \) || true
 
 
 #

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