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Date: Fri, 17 Dec 2010 12:50:08 -0700
From: Andreas Dilger <adilger.kernel@...ger.ca>
To: tytso@....edu
Cc: linux-ext4@...r.kernel.org,
Andreas Dilger <adilger.kernel@...ger.ca>
Subject: [PATCH] disabling e4defrag build with --disable-defrag
This is useful for systems that are known not have the necessary support
for e4defrag to run (fallocate() and EXT4_IOC_MOVE_EXT support). It cannot
be determined at compile time whether the target kernel will have them.
---
configure | 24 ++++++++++++++++++++++++
configure.in | 18 ++++++++++++++++++
misc/Makefile.in | 4 ++--
3 files changed, 44 insertions(+), 2 deletions(-)
diff --git a/configure b/configure
index 14d9652..9e6d39e 100755
--- a/configure
+++ b/configure
@@ -675,6 +675,7 @@ FSCK_MAN
FSCK_PROG
RESIZER_CMT
IMAGER_CMT
+DEFRAG_CMT
DEBUGFS_CMT
BLKID_CMT
DEPPROFILED_LIBBLKID
@@ -803,6 +804,7 @@ enable_libblkid
enable_debugfs
enable_imager
enable_resizer
+enable_defrag
enable_fsck
enable_e2initrd_helper
enable_tls
@@ -1454,6 +1456,7 @@ Optional Features:
--disable-debugfs disable support of debugfs program
--disable-imager disable support of e2image program
--disable-resizer disable support of e2resize program
+ --disable-defrag disable support of e4defrag program
--enable-fsck build fsck wrapper program
--enable-e2initrd-helper build e2initrd-helper program
--disable-tls disable use of thread local support
@@ -5396,6 +5399,27 @@ RESIZER_CMT=
fi
+# Check whether --enable-defrag was given.
+if test "${enable_defrag+set}" = set; then :
+ enableval=$enable_defrag; if test "$enableval" = "no"
+then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: Disabling e4defrag support" >&5
+$as_echo "Disabling e4defrag support" >&6; }
+ DEFRAG_CMT="#"
+else
+ DEFRAG_CMT=
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: Enabling e4defrag support" >&5
+$as_echo "Enabling e4defrag support" >&6; }
+fi
+
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: Enabling e4defrag support by default" >&5
+$as_echo "Enabling e4defrag support by default" >&6; }
+DEFRAG_CMT=
+
+fi
+
+
# Check whether --enable-fsck was given.
if test "${enable_fsck+set}" = set; then :
enableval=$enable_fsck; if test "$enableval" = "no"
diff --git a/configure.in b/configure.in
index 5e67688..13ea07a 100644
--- a/configure.in
+++ b/configure.in
@@ -577,6 +577,24 @@ RESIZER_CMT=
)
AC_SUBST(RESIZER_CMT)
dnl
+dnl handle --enable-defrag
+dnl
+AC_ARG_ENABLE([defrag],
+[ --disable-defrag disable support of e4defrag program],
+if test "$enableval" = "no"
+then
+ AC_MSG_RESULT([Disabling e4defrag support])
+ DEFRAG_CMT="#"
+else
+ DEFRAG_CMT=
+ AC_MSG_RESULT([Enabling e4defrag support])
+fi
+,
+AC_MSG_RESULT([Enabling e4defrag support by default])
+DEFRAG_CMT=
+)
+AC_SUBST(DEFRAG_CMT)
+dnl
dnl See whether to install the `fsck' wrapper program (that calls e2fsck)
dnl
AC_ARG_ENABLE([fsck],
diff --git a/misc/Makefile.in b/misc/Makefile.in
index 8fd7704..d905e14 100644
--- a/misc/Makefile.in
+++ b/misc/Makefile.in
@@ -11,8 +11,8 @@ INSTALL = @INSTALL@
@MCONFIG@
-@...UX_CMT@...EFRAG_PROG= e4defrag
-@...UX_CMT@...EFRAG_MAN= e4defrag.8
+@...RAG_CMT@@LINUX_CMT@...EFRAG_PROG= e4defrag
+@...RAG_CMT@@LINUX_CMT@...EFRAG_MAN= e4defrag.8
@IMAGER_CMT@...MAGE_PROG= e2image
@IMAGER_CMT@...MAGE_MAN= e2image.8
--
1.4.4.2
--
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