From 31ddb20fa4ce196b63e69306946c98166440d523 Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Fri, 15 Jan 2016 17:43:38 -0500
Subject: configure.ac: Find cpio and xz

---
(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index ba00970..bf44d0b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -217,6 +217,59 @@ AC_ARG_WITH(
 if ! ${MKE2FS} -V >/dev/null 2>&1; then
 	AC_MSG_ERROR([mke2fs from the e2fsprogs package is required])
 fi
+AC_ARG_WITH(
+	[cpio],
+	[AS_HELP_STRING([--with-cpio=PATH], [path to cpio utility])],
+	[
+		case "${withval}" in
+			'yes'|'')
+				AC_MSG_ERROR(
+					[--with-cpio requires an argument])
+				;;
+			'no')
+				AC_MSG_ERROR([cpio is required])
+				;;
+			*)
+				CPIO="${withval}"
+				AC_SUBST([CPIO])
+				;;
+		esac
+	],
+	[
+		AC_PATH_PROG([CPIO], [cpio])
+		if test -z "${CPIO}"; then
+			AC_MSG_ERROR([cpio not found])
+		fi
+	]
+)
+AC_ARG_WITH(
+	[xz],
+	[AS_HELP_STRING([--with-xz=PATH], [path to xz utility])],
+	[
+		case "${withval}" in
+			'yes'|'')
+				AC_MSG_ERROR(
+					[--with-xz requires an argument])
+				;;
+			'no')
+				AC_MSG_ERROR([xz is required])
+				;;
+			*)
+				XZ="${withval}"
+				AC_SUBST([XZ])
+				;;
+		esac
+	],
+	[
+		AC_PATH_PROG([XZ], [xz])
+		if test -z "${XZ}"; then
+			AC_MSG_ERROR([xz not found])
+		fi
+	]
+)
+if ! ${XZ} -V 2>&1 | grep '^xz (XZ Utils) ' >/dev/null 2>&1; then
+	AC_MSG_ERROR([xz from the XZ Utils package is required])
+fi
 
 AC_CONFIG_FILES([Makefile])
 AC_CONFIG_FILES([config.sh])
--
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