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dnl ######################################################################
dnl check the string type of the name of a filesystem mount table entry.
dnl Usage: AC_CHECK_MOUNT_TYPE(<fs>, [fssymbol])
dnl Check if there is an entry for MNTTYPE_<fs> in sys/mntent.h and mntent.h
dnl define MOUNT_TYPE_<fs> to the string name (e.g., "nfs"). If <fssymbol>
dnl exist, then define MOUNT_TYPE_<fssymbol> instead. If <fssymbol> is
dnl defined, then <fs> can be a list of fs strings to look for.
dnl If no symbols have been defined, but the filesystem has been found
dnl earlier, then set the mount-table type to "<fs>" anyway...
AC_DEFUN(AMU_CHECK_MOUNT_TYPE,
[
# find what name to give to the fs
if test -n "$2"
then
ac_fs_name=$2
else
ac_fs_name=$1
fi
# prepare upper-case name of filesystem
ac_upcase_fs_name=`echo $ac_fs_name | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
##############################################################################
# check for cache and set it if needed
AMU_CACHE_CHECK_DYNAMIC(for mount(2) type/name for $ac_fs_name filesystem,
ac_cv_mount_type_$ac_fs_name,
[
# undefine by default
eval "ac_cv_mount_type_$ac_fs_name=notfound"
# and look to see if it was found
for ac_fs_tmp in $1
do
ac_upcase_fs_symbol=`echo $ac_fs_tmp | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' | tr -d '.'`
# first look for MNTTYPE_<fs>
AC_EGREP_CPP(yes,
AMU_MOUNT_HEADERS(
[
#ifdef MNTTYPE_$ac_upcase_fs_symbol
yes
#endif /* MNTTYPE_$ac_upcase_fs_symbol */
]), [eval "ac_cv_mount_type_$ac_fs_name=MNTTYPE_$ac_upcase_fs_symbol"],
[eval "ac_cv_mount_type_$ac_fs_name=notfound"] )
# check if need to terminate "for" loop
if test "`eval echo '$''{ac_cv_mount_type_'$ac_fs_name'}'`" != notfound
then
break
fi
# next look for MOUNT_<fs>
AC_EGREP_CPP(yes,
AMU_MOUNT_HEADERS(
[
#ifdef MOUNT_$ac_upcase_fs_symbol
yes
#endif /* MOUNT_$ac_upcase_fs_symbol */
]), [eval "ac_cv_mount_type_$ac_fs_name=MOUNT_$ac_upcase_fs_symbol"],
[eval "ac_cv_mount_type_$ac_fs_name=notfound"] )
# check if need to terminate "for" loop
if test "`eval echo '$''{ac_cv_mount_type_'$ac_fs_name'}'`" != notfound
then
break
fi
# next look for MNT_<fs>
AC_EGREP_CPP(yes,
AMU_MOUNT_HEADERS(
[
#ifdef MNT_$ac_upcase_fs_symbol
yes
#endif /* MNT_$ac_upcase_fs_symbol */
]), [eval "ac_cv_mount_type_$ac_fs_name=MNT_$ac_upcase_fs_symbol"],
[eval "ac_cv_mount_type_$ac_fs_name=notfound"] )
# check if need to terminate "for" loop
if test "`eval echo '$''{ac_cv_mount_type_'$ac_fs_name'}'`" != notfound
then
break
fi
# next look for GT_<fs> (ultrix)
AC_EGREP_CPP(yes,
AMU_MOUNT_HEADERS(
[
#ifdef GT_$ac_upcase_fs_symbol
yes
#endif /* GT_$ac_upcase_fs_symbol */
]), [eval "ac_cv_mount_type_$ac_fs_name=GT_$ac_upcase_fs_symbol"],
[eval "ac_cv_mount_type_$ac_fs_name=notfound"] )
# check if need to terminate "for" loop
if test "`eval echo '$''{ac_cv_mount_type_'$ac_fs_name'}'`" != notfound
then
break
fi
# look for a loadable filesystem module (linux)
if test -f /lib/modules/$host_os_version/fs/$ac_fs_tmp.o
then
eval "ac_cv_mount_type_$ac_fs_name=\\\"$ac_fs_tmp\\\""
break
fi
# look for a loadable filesystem module (linux 2.4+)
if test -f /lib/modules/$host_os_version/kernel/fs/$ac_fs_tmp/$ac_fs_tmp.o
then
eval "ac_cv_mount_type_$ac_fs_name=\\\"$ac_fs_tmp\\\""
break
fi
# look for a loadable filesystem module (linux redhat-5.1)
if test -f /lib/modules/preferred/fs/$ac_fs_tmp.o
then
eval "ac_cv_mount_type_$ac_fs_name=\\\"$ac_fs_tmp\\\""
break
fi
# in addition look for statically compiled filesystem (linux)
if egrep "[[^a-zA-Z0-9_]]$ac_fs_tmp$" /proc/filesystems >/dev/null 2>&1
then
eval "ac_cv_mount_type_$ac_fs_name=\\\"$ac_fs_tmp\\\""
break
fi
# run a test program for bsdi3
AC_TRY_RUN(
[
#include <sys/param.h>
#include <sys/mount.h>
main()
{
int i;
struct vfsconf vf;
i = getvfsbyname("$ac_fs_tmp", &vf);
if (i < 0)
exit(1);
else
exit(0);
}
], [eval "ac_cv_mount_type_$ac_fs_name=\\\"$ac_fs_tmp\\\""
break
]
)
done
# check if not defined, yet the filesystem is defined
if test "`eval echo '$''{ac_cv_mount_type_'$ac_fs_name'}'`" = notfound
then
# this should test if $ac_cv_fs_<fsname> is "yes"
if test "`eval echo '$''{ac_cv_fs_'$ac_fs_name'}'`" = yes ||
test "`eval echo '$''{ac_cv_fs_header_'$ac_fs_name'}'`" = yes
then
eval "ac_cv_mount_type_$ac_fs_name=MNTTYPE_$ac_upcase_fs_name"
fi
fi
])
# end of cache check for ac_cv_mount_type_$ac_fs_name
##############################################################################
# check if need to define variable
if test "`eval echo '$''{ac_cv_mount_type_'$ac_fs_name'}'`" != notfound
then
ac_safe=MOUNT_TYPE_$ac_upcase_fs_name
ac_tmp=`eval echo '$''{ac_cv_mount_type_'$ac_fs_name'}'`
AC_DEFINE_UNQUOTED($ac_safe, $ac_tmp)
fi
])
dnl ======================================================================
|
