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-rw-r--r--m4.include/vfs/mc-vfs-undelfs.m455
1 files changed, 55 insertions, 0 deletions
diff --git a/m4.include/vfs/mc-vfs-undelfs.m4 b/m4.include/vfs/mc-vfs-undelfs.m4
new file mode 100644
index 0000000..ab6fd3f
--- /dev/null
+++ b/m4.include/vfs/mc-vfs-undelfs.m4
@@ -0,0 +1,55 @@
+dnl mc_UNDELFS_CHECKS
+dnl Check for ext2fs undel support.
+dnl Set shell variable ext2fs_undel to "yes" if we have it,
+dnl "no" otherwise. May define ENABLE_VFS_UNDELFS for cpp.
+dnl Will set EXT2FS_UNDEL_LIBS to required libraries.
+
+AC_DEFUN([mc_UNDELFS_CHECKS], [
+ ext2fs_undel=no
+ EXT2FS_UNDEL_LIBS=
+
+ dnl Use result of mc_EXT2FS_ATTR that was called earlier
+ if test "x$ext2fs_attr_msg" = "xyes"; then
+ com_err=no
+
+ PKG_CHECK_MODULES(COM_ERR, [com_err >= 1.42.4], [com_err=yes], [:])
+
+ if test x"$com_err" = "xyes"; then
+ EXT2FS_UNDEL_LIBS="$EXT2FS_LIBS $COM_ERR_LIBS"
+ ext2fs_undel=yes
+ fi
+ fi
+
+])
+
+dnl
+dnl Ext2fs undelete support
+dnl
+AC_DEFUN([mc_VFS_UNDELFS],
+[
+ AC_ARG_ENABLE([vfs-undelfs],
+ AS_HELP_STRING([--enable-vfs-undelfs], [Support for ext2 undelete filesystem @<:@no@:>@]),
+ [
+ if test "x$enableval" = "xno"; then
+ enable_vfs_undelfs=no
+ else
+ enable_vfs_undelfs=yes
+ fi
+ ],
+ [enable_vfs_undelfs="no"])
+
+ if test x"$enable_vfs" = x"yes" -a x"$enable_vfs_undelfs" != x"no"; then
+ mc_UNDELFS_CHECKS
+
+ if test x"$ext2fs_undel" = x"yes"; then
+ enable_vfs_undelfs="yes"
+ mc_VFS_ADDNAME([undelfs])
+ AC_DEFINE(ENABLE_VFS_UNDELFS, [1], [Support for ext2 undelfs])
+ AC_MSG_NOTICE([using ext2fs file recovery code])
+ MCLIBS="$MCLIBS $EXT2FS_UNDEL_LIBS"
+ else
+ AC_MSG_ERROR([Ext2 libraries not found])
+ fi
+ fi
+ AM_CONDITIONAL(ENABLE_VFS_UNDELFS, [test "$enable_vfs" = "yes" -a x"$enable_vfs_undelfs" = x"yes"])
+])