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|
dnl ######################################################################
dnl check if a filesystem type exists (if its header files exist)
dnl Usage: AC_CHECK_FS_MNTENT(<filesystem>, [<fssymbol>])
dnl
dnl Check in some headers for MNTTYPE_<filesystem> macro. If that exist,
dnl then define HAVE_FS_<filesystem>. If <fssymbol> exits, then define
dnl HAVE_FS_<fssymbol> instead...
AC_DEFUN(AMU_CHECK_FS_MNTENT,
[
# find what name to give to the fs
if test -n "$2"
then
ac_fs_name=$2
ac_fs_as_name=" (from: $1)"
else
ac_fs_name=$1
ac_fs_as_name=""
fi
# store variable name of filesystem
ac_upcase_fs_name=`echo $ac_fs_name | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
ac_safe=HAVE_FS_$ac_upcase_fs_name
# check for cache and set it if needed
AMU_CACHE_CHECK_DYNAMIC(for $ac_fs_name$ac_fs_as_name mntent definition,
ac_cv_fs_$ac_fs_name,
[
# assume not found
eval "ac_cv_fs_$ac_fs_name=no"
for ac_fs_tmp in $1
do
ac_upcase_fs_symbol=`echo $ac_fs_tmp | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
# first look for MNTTYPE_*
AC_EGREP_CPP(yes,
AMU_MOUNT_HEADERS(
[
#ifdef MNTTYPE_$ac_upcase_fs_symbol
yes
#endif /* MNTTYPE_$ac_upcase_fs_symbol */
]), [eval "ac_cv_fs_$ac_fs_name=yes"], [eval "ac_cv_fs_$ac_fs_name=no"] )
# check if need to terminate "for" loop
if test "`eval echo '$''{ac_cv_fs_'$ac_fs_name'}'`" != no
then
break
fi
# now try to look for MOUNT_ macro
AC_EGREP_CPP(yes,
AMU_MOUNT_HEADERS(
[
#ifdef MOUNT_$ac_upcase_fs_symbol
yes
#endif /* MOUNT_$ac_upcase_fs_symbol */
]), [eval "ac_cv_fs_$ac_fs_name=yes"], [eval "ac_cv_fs_$ac_fs_name=no"] )
# check if need to terminate "for" loop
if test "`eval echo '$''{ac_cv_fs_'$ac_fs_name'}'`" != no
then
break
fi
# now try to look for MNT_ macro
AC_EGREP_CPP(yes,
AMU_MOUNT_HEADERS(
[
#ifdef MNT_$ac_upcase_fs_symbol
yes
#endif /* MNT_$ac_upcase_fs_symbol */
]), [eval "ac_cv_fs_$ac_fs_name=yes"], [eval "ac_cv_fs_$ac_fs_name=no"] )
# check if need to terminate "for" loop
if test "`eval echo '$''{ac_cv_fs_'$ac_fs_name'}'`" != no
then
break
fi
# now try to look for GT_ macro (ultrix)
AC_EGREP_CPP(yes,
AMU_MOUNT_HEADERS(
[
#ifdef GT_$ac_upcase_fs_symbol
yes
#endif /* GT_$ac_upcase_fs_symbol */
]), [eval "ac_cv_fs_$ac_fs_name=yes"], [eval "ac_cv_fs_$ac_fs_name=no"] )
# check if need to terminate "for" loop
if test "`eval echo '$''{ac_cv_fs_'$ac_fs_name'}'`" != no
then
break
fi
# look for a loadable filesystem module (linux)
if test -f /lib/modules/$host_os_version/fs/$ac_fs_tmp.o
then
eval "ac_cv_fs_$ac_fs_name=yes"
break
fi
# look for a loadable filesystem module (linux 2.4+)
if test -f /lib/modules/$host_os_version/kernel/fs/$ac_fs_tmp/$ac_fs_tmp.o
then
eval "ac_cv_fs_$ac_fs_name=yes"
break
fi
# look for a loadable filesystem module (linux redhat-5.1)
if test -f /lib/modules/preferred/fs/$ac_fs_tmp.o
then
eval "ac_cv_fs_$ac_fs_name=yes"
break
fi
# in addition look for statically compiled filesystem (linux)
if egrep "[[^a-zA-Z0-9_]]$ac_fs_tmp$" /proc/filesystems >/dev/null 2>&1
then
eval "ac_cv_fs_$ac_fs_name=yes"
break
fi
if test "$ac_fs_tmp" = "nfs3" -a "$ac_cv_header_linux_nfs_mount_h" = "yes"
then
# hack hack hack
# in 6.1, which has fallback to v2/udp, we might want
# to always use version 4.
# in 6.0 we do not have much choice
#
let nfs_mount_version="`grep NFS_MOUNT_VERSION /usr/include/linux/nfs_mount.h | awk '{print $''3;}'`"
if test $nfs_mount_version -ge 4
then
eval "ac_cv_fs_$ac_fs_name=yes"
break
fi
fi
# run a test program for bsdi3
AC_TRY_RUN(
[
#include <sys/param.h>
#include <sys/mount.h>
main()
{
int i;
struct vfsconf vf;
i = getvfsbyname("$ac_fs_tmp", &vf);
if (i < 0)
exit(1);
else
exit(0);
}
], [eval "ac_cv_fs_$ac_fs_name=yes"
break
]
)
done
])
# check if need to define variable
if test "`eval echo '$''{ac_cv_fs_'$ac_fs_name'}'`" = yes
then
AC_DEFINE_UNQUOTED($ac_safe)
# append ops_<fs>.o object to AMD_FS_OBJS for automatic compilation
# if first time we add something to this list, then also tell autoconf
# to replace instances of it in Makefiles.
if test -z "$AMD_FS_OBJS"
then
AMD_FS_OBJS="ops_${ac_fs_name}.o"
AC_SUBST(AMD_FS_OBJS)
else
# since this object file could have already been added before
# we need to ensure we do not add it twice.
case "${AMD_FS_OBJS}" in
*ops_${ac_fs_name}.o* ) ;;
* )
AMD_FS_OBJS="$AMD_FS_OBJS ops_${ac_fs_name}.o"
;;
esac
fi
fi
])
dnl ======================================================================
|
