[PATCH] mke2fs: remove quota docs if not configured in

[Eric Sandeen <sandeen@redhat.com>]

If quota isn't turned on with --enable-quota, then comment
quota documentation out of the mke2fs manpage.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
---

first time I've mucked with subst, dunno if this is right
but it seems to work :)

diff --git a/configure.in b/configure.in
index bc8d1e8..2d431bd 100644
--- a/configure.in
+++ b/configure.in
@@ -565,6 +565,8 @@ AC_SUBST(BLKID_CMT)
 dnl
 dnl handle --enable-quota
 dnl
+QUOTA_MAN_COMMENT='.\"'
+AC_SUBST(QUOTA_MAN_COMMENT)
 PKG_PROG_PKG_CONFIG
 AH_TEMPLATE([CONFIG_QUOTA], [Define to 1 to enable quota support])
 AC_ARG_ENABLE([quota],
@@ -575,6 +577,8 @@ then
 else
 	AC_DEFINE(CONFIG_QUOTA, 1)
 	AC_MSG_RESULT([Enabling quota support])
+	QUOTA_MAN_COMMENT=""
+	AC_SUBST(QUOTA_MAN_COMMENT)
 fi
 ,
 AC_MSG_RESULT([Disabling quota support by default])
diff --git a/misc/mke2fs.8.in b/misc/mke2fs.8.in
index d4fbe00..92cae74 100644
--- a/misc/mke2fs.8.in
+++ b/misc/mke2fs.8.in
@@ -275,13 +275,13 @@ as default.
 .TP
 .BI nodiscard
 Do not attempt to discard blocks at mkfs time.
-.TP
-.BI quotatype
-Specify which quota type ('usr' or 'grp') is to be initialized. This
-option has any effect only if
-.B quota
-feature is set. Without this extended option, the default behavior is to
-initialize both user and group quotas.
+@QUOTA_MAN_COMMENT@.TP
+@QUOTA_MAN_COMMENT@.BI quotatype
+@QUOTA_MAN_COMMENT@Specify which quota type ('usr' or 'grp') is to be initialized. This
+@QUOTA_MAN_COMMENT@option has any effect only if
+@QUOTA_MAN_COMMENT@.B quota
+@QUOTA_MAN_COMMENT@feature is set. Without this extended option, the default behavior is to
+@QUOTA_MAN_COMMENT@initialize both user and group quotas.
 .RE
 .TP
 .BI \-f " fragment-size"
@@ -555,11 +555,11 @@ option).
 .B large_file
 Filesystem can contain files that are greater than 2GB.  (Modern kernels
 set this feature automatically when a file > 2GB is created.)
-.TP
-.B quota
-Create quota inodes (inode# 3 for userquota and inode# 4 for group quota) and
-set them in the superblock.  With this feature, the quotas will be enabled
-automatically when the filesystem is mounted.
+@QUOTA_MAN_COMMENT@.TP
+@QUOTA_MAN_COMMENT@.B quota
+@QUOTA_MAN_COMMENT@Create quota inodes (inode# 3 for userquota and inode# 4 for group quota) and
+@QUOTA_MAN_COMMENT@set them in the superblock.  With this feature, the quotas will be enabled
+@QUOTA_MAN_COMMENT@automatically when the filesystem is mounted.
 .TP
 .B resize_inode
 Reserve space so the block group descriptor table may grow in the future.
diff --git a/util/subst.conf.in b/util/subst.conf.in
index 0e074d8..64fde7a 100644
--- a/util/subst.conf.in
+++ b/util/subst.conf.in
@@ -18,3 +18,5 @@ $prefix			@prefix@
 # Enable the documentation for the journal device mke2fs, tune2fs, and
 # e2fsck's man page
 JDEV			
+# Enable documentation for quota feature in mke2fs
+QUOTA_MAN_COMMENT	@QUOTA_MAN_COMMENT@