Add backing_device_info per-filesystem

[zfs.git] / config / zfs-meta.m4

diff --git a/config/zfs-meta.m4 b/config/zfs-meta.m4
index 1996380..8b3689a 100644 (file)
--- a/config/zfs-meta.m4
+++ b/config/zfs-meta.m4
@@ -6,6 +6,17 @@ dnl # AUTHOR:
 dnl # Chris Dunlap <cdunlap@llnl.gov>
 dnl #
 AC_DEFUN([ZFS_AC_META], [
+
+       AH_BOTTOM([
+#undef PACKAGE
+#undef PACKAGE_BUGREPORT
+#undef PACKAGE_NAME
+#undef PACKAGE_STRING
+#undef PACKAGE_TARNAME
+#undef PACKAGE_VERSION
+#undef STDC_HEADERS
+#undef VERSION])
+
        AC_MSG_CHECKING([metadata])
 
        META="$srcdir/META"
@@ -13,84 +24,92 @@ AC_DEFUN([ZFS_AC_META], [
        if test -f "$META"; then
                _zfs_ac_meta_got_file=yes
 
-               META_NAME=_ZFS_AC_META_GETVAL([(?:NAME|PROJECT|PACKAGE)]);
-               if test -n "$META_NAME"; then
-                       AC_DEFINE_UNQUOTED([META_NAME], ["$META_NAME"],
+               ZFS_META_NAME=_ZFS_AC_META_GETVAL([(?:NAME|PROJECT|PACKAGE)]);
+               if test -n "$ZFS_META_NAME"; then
+                       AC_DEFINE_UNQUOTED([ZFS_META_NAME], ["$ZFS_META_NAME"],
                                [Define the project name.]
                        )
-                       AC_SUBST([META_NAME])
+                       AC_SUBST([ZFS_META_NAME])
                fi
 
-               META_VERSION=_ZFS_AC_META_GETVAL([VERSION]);
-               if test -n "$META_VERSION"; then
-                       AC_DEFINE_UNQUOTED([META_VERSION], ["$META_VERSION"],
+               ZFS_META_VERSION=_ZFS_AC_META_GETVAL([VERSION]);
+               if test -n "$ZFS_META_VERSION"; then
+                       AC_DEFINE_UNQUOTED([ZFS_META_VERSION], ["$ZFS_META_VERSION"],
                                [Define the project version.]
                        )
-                       AC_SUBST([META_VERSION])
+                       AC_SUBST([ZFS_META_VERSION])
                fi
 
-               META_RELEASE=_ZFS_AC_META_GETVAL([RELEASE]);
-               if test -n "$META_RELEASE"; then
-                       AC_DEFINE_UNQUOTED([META_RELEASE], ["$META_RELEASE"],
+               ZFS_META_RELEASE=_ZFS_AC_META_GETVAL([RELEASE]);
+               if test -n "$ZFS_META_RELEASE"; then
+                       AC_DEFINE_UNQUOTED([ZFS_META_RELEASE], ["$ZFS_META_RELEASE"],
                                [Define the project release.]
                        )
-                       AC_SUBST([META_RELEASE])
+                       AC_SUBST([ZFS_META_RELEASE])
+               fi
+
+               ZFS_META_LICENSE=_ZFS_AC_META_GETVAL([LICENSE]);
+               if test -n "$ZFS_META_LICENSE"; then
+                       AC_DEFINE_UNQUOTED([ZFS_META_LICENSE], ["$ZFS_META_LICENSE"],
+                               [Define the project license.]
+                       )
+                       AC_SUBST([ZFS_META_LICENSE])
                fi
 
-               if test -n "$META_NAME" -a -n "$META_VERSION"; then
-                               META_ALIAS="$META_NAME-$META_VERSION"
-                               test -n "$META_RELEASE" && 
-                                       META_ALIAS="$META_ALIAS-$META_RELEASE"
-                               AC_DEFINE_UNQUOTED([META_ALIAS],
-                                       ["$META_ALIAS"],
+               if test -n "$ZFS_META_NAME" -a -n "$ZFS_META_VERSION"; then
+                               ZFS_META_ALIAS="$ZFS_META_NAME-$ZFS_META_VERSION"
+                               test -n "$ZFS_META_RELEASE" && 
+                                       ZFS_META_ALIAS="$ZFS_META_ALIAS-$ZFS_META_RELEASE"
+                               AC_DEFINE_UNQUOTED([ZFS_META_ALIAS],
+                                       ["$ZFS_META_ALIAS"],
                                        [Define the project alias string.] 
                                )
-                               AC_SUBST([META_ALIAS])
+                               AC_SUBST([ZFS_META_ALIAS])
                fi
 
-               META_DATE=_ZFS_AC_META_GETVAL([DATE]);
-               if test -n "$META_DATE"; then
-                       AC_DEFINE_UNQUOTED([META_DATE], ["$META_DATE"],
+               ZFS_META_DATA=_ZFS_AC_META_GETVAL([DATE]);
+               if test -n "$ZFS_META_DATA"; then
+                       AC_DEFINE_UNQUOTED([ZFS_META_DATA], ["$ZFS_META_DATA"],
                                [Define the project release date.] 
                        )
-                       AC_SUBST([META_DATE])
+                       AC_SUBST([ZFS_META_DATA])
                fi
 
-               META_AUTHOR=_ZFS_AC_META_GETVAL([AUTHOR]);
-               if test -n "$META_AUTHOR"; then
-                       AC_DEFINE_UNQUOTED([META_AUTHOR], ["$META_AUTHOR"],
+               ZFS_META_AUTHOR=_ZFS_AC_META_GETVAL([AUTHOR]);
+               if test -n "$ZFS_META_AUTHOR"; then
+                       AC_DEFINE_UNQUOTED([ZFS_META_AUTHOR], ["$ZFS_META_AUTHOR"],
                                [Define the project author.]
                        )
-                       AC_SUBST([META_AUTHOR])
+                       AC_SUBST([ZFS_META_AUTHOR])
                fi
 
                m4_pattern_allow([^LT_(CURRENT|REVISION|AGE)$])
-               META_LT_CURRENT=_ZFS_AC_META_GETVAL([LT_CURRENT]);
-               META_LT_REVISION=_ZFS_AC_META_GETVAL([LT_REVISION]);
-               META_LT_AGE=_ZFS_AC_META_GETVAL([LT_AGE]);
-               if test -n "$META_LT_CURRENT" \
-                                -o -n "$META_LT_REVISION" \
-                                -o -n "$META_LT_AGE"; then
-                       test -n "$META_LT_CURRENT" || META_LT_CURRENT="0"
-                       test -n "$META_LT_REVISION" || META_LT_REVISION="0"
-                       test -n "$META_LT_AGE" || META_LT_AGE="0"
-                       AC_DEFINE_UNQUOTED([META_LT_CURRENT],
-                               ["$META_LT_CURRENT"],
+               ZFS_META_LT_CURRENT=_ZFS_AC_META_GETVAL([LT_CURRENT]);
+               ZFS_META_LT_REVISION=_ZFS_AC_META_GETVAL([LT_REVISION]);
+               ZFS_META_LT_AGE=_ZFS_AC_META_GETVAL([LT_AGE]);
+               if test -n "$ZFS_META_LT_CURRENT" \
+                                -o -n "$ZFS_META_LT_REVISION" \
+                                -o -n "$ZFS_META_LT_AGE"; then
+                       test -n "$ZFS_META_LT_CURRENT" || ZFS_META_LT_CURRENT="0"
+                       test -n "$ZFS_META_LT_REVISION" || ZFS_META_LT_REVISION="0"
+                       test -n "$ZFS_META_LT_AGE" || ZFS_META_LT_AGE="0"
+                       AC_DEFINE_UNQUOTED([ZFS_META_LT_CURRENT],
+                               ["$ZFS_META_LT_CURRENT"],
                                [Define the libtool library 'current'
                                 version information.]
                        )
-                       AC_DEFINE_UNQUOTED([META_LT_REVISION],
-                               ["$META_LT_REVISION"],
+                       AC_DEFINE_UNQUOTED([ZFS_META_LT_REVISION],
+                               ["$ZFS_META_LT_REVISION"],
                                [Define the libtool library 'revision'
                                 version information.]
                        )
-                       AC_DEFINE_UNQUOTED([META_LT_AGE], ["$META_LT_AGE"],
+                       AC_DEFINE_UNQUOTED([ZFS_META_LT_AGE], ["$ZFS_META_LT_AGE"],
                                [Define the libtool library 'age' 
                                 version information.]
                        )
-                       AC_SUBST([META_LT_CURRENT])
-                       AC_SUBST([META_LT_REVISION])
-                       AC_SUBST([META_LT_AGE])
+                       AC_SUBST([ZFS_META_LT_CURRENT])
+                       AC_SUBST([ZFS_META_LT_REVISION])
+                       AC_SUBST([ZFS_META_LT_AGE])
                fi
        fi