Description: check for META and dch consistency in autoconf
Forwarded: not-needed
Last-Update: 2026-08-22
--- a/config/zfs-meta.m4
+++ b/config/zfs-meta.m4
@@ -3,6 +3,7 @@
 dnl # DESCRIPTION:
-dnl # Read meta data from the META file.  When building from a git repository
-dnl # the ZFS_META_RELEASE field will be overwritten if there is an annotated
-dnl # tag matching the form ZFS_META_NAME-ZFS_META_VERSION-*.  This allows
-dnl # for working builds to be uniquely identified using the git commit hash.
+dnl # Read meta data from the META file or the debian/changelog file if it
+dnl # exists.  When building from a git repository the ZFS_META_RELEASE field
+dnl # will be overwritten if there is an annotated tag matching the form
+dnl # ZFS_META_NAME-ZFS_META_VERSION-*.  This allows for working builds to be
+dnl # uniquely identified using the git commit hash.
 dnl #
@@ -52,2 +53,3 @@
 		_zfs_ac_meta_type="META file"
+		_dpkg_parsechangelog=$(dpkg-parsechangelog 2>/dev/null)
 
@@ -72,4 +74,26 @@
 
+		if test -n "${_dpkg_parsechangelog}"; then
+			_dpkg_full_version=$(echo "${_dpkg_parsechangelog}" \
+				| $AWK '$[]1 == "Version:" { print $[]2; }')
+			_dpkg_version=${_dpkg_full_version%-*}
+			if test "${_dpkg_version}" != "$ZFS_META_VERSION"; then
+				AC_MSG_ERROR([
+	*** Version $ZFS_META_VERSION in the META file is different than
+	*** version $_dpkg_version in the debian/changelog file. DKMS and DEB
+	*** packaging require that these files have the same version.
+				])
+			fi
+		fi
+
 		ZFS_META_RELEASE=_ZFS_AC_META_GETVAL([Release]);
-		if test ! -f "$srcdir/.nogitrelease" && git -C "$srcdir" rev-parse --git-dir > /dev/null 2>&1; then
+
+		if test -n "${_dpkg_parsechangelog}"; then
+			_dpkg_full_version=$(echo "${_dpkg_parsechangelog}" \
+				| $AWK '$[]1 == "Version:" { print $[]2; }')
+			_dpkg_release=${_dpkg_full_version##*-}
+			if test -n "${_dpkg_release}"; then
+				ZFS_META_RELEASE=${_dpkg_release}
+				_zfs_ac_meta_type="dpkg-parsechangelog"
+			fi
+		elif test ! -f "$srcdir/.nogitrelease" && git -C "$srcdir" rev-parse --git-dir > /dev/null 2>&1; then
 			_match="${ZFS_META_NAME}-${ZFS_META_VERSION}"