2003-04-11  Paul Eggert  <eggert@twinsun.com>

	* debian/postinst, rc.serial, rc.serial.upstream:
	Use "sed 1q" rather than "head -1", as the latter has been
	withdrawn in POSIX 1003.1-2001 and no longer works with
	recent versions of coreutils if _POSIX2_VERSION=200112
	in your environment.

diff -pru setserial-2.17-32/debian/postinst setserial-2.17-32-fix/debian/postinst
--- setserial-2.17-32/debian/postinst	2003-04-11 13:05:26.000000000 -0700
+++ setserial-2.17-32-fix/debian/postinst	2003-04-11 13:07:16.000000000 -0700
@@ -16,7 +16,7 @@ if [ ! -f /var/lib/setserial/etc.serial.
   echo Updating your /etc/serial.conf world to /var/lib/setserial thinking.
   if [ -f /etc/serial.conf ]; then
     cp /etc/serial.conf /var/lib/setserial/etc.serial.conf.bkp
-    chead="`head -1 /etc/serial.conf`X"
+    chead="`sed 1q /etc/serial.conf`X"
     if [  "$chead" = "###PORT STATE GENERATED USING AUTOSAVE-ONCE###X"  ]; then
       rm -f /etc/serial.conf
     elif [ "$chead" = "#KERNELX" ]; then
@@ -88,7 +88,7 @@ if [ "$ARCH" != "m68k" ]; then
   if [ ! -e $autoconfig ]; then
     touch $autoconfig
   fi
-  chead="`head -1 $autoconfig`X"
+  chead="`sed 1q $autoconfig`X"
   db_get setserial/autosave-types
   case "$RET" in 
     ( "AUTOSAVE ONCE" | "autosave once" ) 
diff -pru setserial-2.17-32/rc.serial setserial-2.17-32-fix/rc.serial
--- setserial-2.17-32/rc.serial	2003-04-11 13:05:26.000000000 -0700
+++ setserial-2.17-32-fix/rc.serial	2003-04-11 13:07:16.000000000 -0700
@@ -93,7 +93,7 @@ if test $action  = stop ; then
 	if [ -e ${etcconfig} ]; then
 		#nothing to do
 		dummy=0;
-	elif test "`head -1 $autoconfig`X" = "###AUTOSAVE###X" ; then
+	elif test "`sed 1q $autoconfig`X" = "###AUTOSAVE###X" ; then
 		echo -n "Saving state of known serial devices... "
 		grep "^#" $autoconfig > ${autoconfig}.new
 		${SETSERIAL} -G -g ${ALLDEVS} | grep -v "uart unknown\|pcmcia" >> ${autoconfig}.new
@@ -101,7 +101,7 @@ if test $action  = stop ; then
 		mv $autoconfig ${autoconfig}.old
 		mv ${autoconfig}.new $autoconfig
 		echo " done."
-	elif test "`head -1 $autoconfig`X" = "###AUTOSAVE-FULL###X" ; then
+	elif test "`sed 1q $autoconfig`X" = "###AUTOSAVE-FULL###X" ; then
 		echo -n "Saving state (including unknowns) of serial devices... "
 		grep "^#" $autoconfig > ${autoconfig}.new
 		${SETSERIAL} -G -g ${ALLDEVS} | grep -v "pcmcia" >> ${autoconfig}.new
@@ -109,7 +109,7 @@ if test $action  = stop ; then
 		mv $autoconfig ${autoconfig}.old
 		mv ${autoconfig}.new $autoconfig
 		echo " done."
-	elif test "`head -1 $autoconfig`X" = "###AUTOSAVE-ONCE###X" ; then
+	elif test "`sed 1q $autoconfig`X" = "###AUTOSAVE-ONCE###X" ; then
 		echo -n "Saving state of known serial devices... "
 		echo "###PORT STATE GENERATED USING AUTOSAVE-ONCE###" > ${autoconfig}.new
 		grep "^#" $autoconfig >> ${autoconfig}.new
diff -pru setserial-2.17-32/rc.serial.upstream setserial-2.17-32-fix/rc.serial.upstream
--- setserial-2.17-32/rc.serial.upstream	2003-04-11 13:05:26.000000000 -0700
+++ setserial-2.17-32-fix/rc.serial.upstream	2003-04-11 13:07:16.000000000 -0700
@@ -79,7 +79,7 @@ esac
 
 if test $action  = stop ; then
 	if test -n ${SETSERIAL} -a "$LOADED" != "no" -a \
-           `head -1 /etc/serial.conf`X = "###AUTOSAVE###X" ; then
+           `sed 1q /etc/serial.conf`X = "###AUTOSAVE###X" ; then
 		echo -n "Saving state of serial devices... "
 		grep "^#" /etc/serial.conf > /etc/.serial.conf.new
 		${SETSERIAL} -G -g ${ALLDEVS} >> /etc/.serial.conf.new