autoconf: add support for openEuler

Add config support for openEuler, so that it set the right sysconfig
dir for openEuler.

And DEFAULT_INIT_SCRIPT is no longer needed since commit "2a34db1bd
Base init scripts for SYSV systems".

Reviewed-by: George Melikov <[email protected]>
Reviewed-by: Richard Yao <[email protected]>
Reviewed-by: Brian Behlendorf <[email protected]>
Signed-off-by: Xinliang Liu <[email protected]>
Closes openzfs#14241

config/zfs-build.m4

@@ -532,6 +532,8 @@ AC_DEFUN([ZFS_AC_DEFAULT_PACKAGE], [
 			VENDOR=alpine ;
 		elif test -f /bin/freebsd-version ; then
 			VENDOR=freebsd ;
+		elif test -f /etc/openEuler-release ; then
+			VENDOR=openeuler ;
 		else
 			VENDOR= ;
 		fi],
@@ -556,6 +558,7 @@ AC_DEFUN([ZFS_AC_DEFAULT_PACKAGE], [
 		ubuntu)     DEFAULT_PACKAGE=deb  ;;
 		debian)     DEFAULT_PACKAGE=deb  ;;
 		freebsd)    DEFAULT_PACKAGE=pkg  ;;
+		openeuler)  DEFAULT_PACKAGE=rpm  ;;
 		*)          DEFAULT_PACKAGE=rpm  ;;
 	esac
 	AC_MSG_RESULT([$DEFAULT_PACKAGE])
@@ -569,31 +572,14 @@ AC_DEFUN([ZFS_AC_DEFAULT_PACKAGE], [
 	AC_MSG_RESULT([$initdir])
 	AC_SUBST(initdir)
 
-	AC_MSG_CHECKING([default init script type and shell])
-	case "$VENDOR" in
-		toss)       DEFAULT_INIT_SCRIPT=redhat ;;
-		redhat)     DEFAULT_INIT_SCRIPT=redhat ;;
-		fedora)     DEFAULT_INIT_SCRIPT=fedora ;;
-		gentoo)     DEFAULT_INIT_SCRIPT=openrc ;;
-		alpine)     DEFAULT_INIT_SCRIPT=openrc ;;
-		arch)       DEFAULT_INIT_SCRIPT=lsb    ;;
-		sles)       DEFAULT_INIT_SCRIPT=lsb    ;;
-		slackware)  DEFAULT_INIT_SCRIPT=lsb    ;;
-		lunar)      DEFAULT_INIT_SCRIPT=lunar  ;;
-		ubuntu)     DEFAULT_INIT_SCRIPT=lsb    ;;
-		debian)     DEFAULT_INIT_SCRIPT=lsb    ;;
-		freebsd)    DEFAULT_INIT_SCRIPT=freebsd;;
-		*)          DEFAULT_INIT_SCRIPT=lsb    ;;
-	esac
-
+	AC_MSG_CHECKING([default shell])
 	case "$VENDOR" in
 		gentoo)     DEFAULT_INIT_SHELL="/sbin/openrc-run";;
 		alpine)     DEFAULT_INIT_SHELL="/sbin/openrc-run";;
 		*)          DEFAULT_INIT_SHELL="/bin/sh"         ;;
 	esac
 
-	AC_MSG_RESULT([$DEFAULT_INIT_SCRIPT:$DEFAULT_INIT_SHELL])
-	AC_SUBST(DEFAULT_INIT_SCRIPT)
+	AC_MSG_RESULT([$DEFAULT_INIT_SHELL])
 	AC_SUBST(DEFAULT_INIT_SHELL)
 
 	AC_MSG_CHECKING([default nfs server init script])
@@ -612,6 +598,7 @@ AC_DEFUN([ZFS_AC_DEFAULT_PACKAGE], [
 		redhat)     initconfdir=/etc/sysconfig ;;
 		fedora)     initconfdir=/etc/sysconfig ;;
 		sles)       initconfdir=/etc/sysconfig ;;
+		openeuler)  initconfdir=/etc/sysconfig ;;
 		ubuntu)     initconfdir=/etc/default   ;;
 		debian)     initconfdir=/etc/default   ;;
 		freebsd)    initconfdir=$sysconfdir/rc.conf.d;;