86 lines
2.4 KiB
Plaintext
86 lines
2.4 KiB
Plaintext
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dnl ######################################################################
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dnl Find generic mount(2) options (hex numbers)
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dnl Usage: AMU_CHECK_MNT2_GEN_OPT(<fs>)
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dnl Check if there is an entry for MS_<fs>, MNT_<fs>, or M_<fs>
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dnl (in that order) in mntent.h, sys/mntent.h, or mount.h...
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dnl then define MNT2_GEN_OPT_<fs> to the hex number.
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AC_DEFUN(AMU_CHECK_MNT2_GEN_OPT,
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[
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# what name to give to the fs
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ac_fs_name=$1
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# store variable name of fs
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ac_upcase_fs_name=`echo $ac_fs_name | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
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ac_safe=MNT2_GEN_OPT_$ac_upcase_fs_name
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# check for cache and set it if needed
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AMU_CACHE_CHECK_DYNAMIC(for generic mount(2) option $ac_fs_name,
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ac_cv_mnt2_gen_opt_$ac_fs_name,
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[
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# undefine by default
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eval "ac_cv_mnt2_gen_opt_$ac_fs_name=notfound"
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value=notfound
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# first, try MS_* (most systems). Must be the first test!
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if test "$value" = notfound
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then
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AMU_EXPAND_CPP_HEX(
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AMU_MOUNT_HEADERS
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, MS_$ac_upcase_fs_name)
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fi
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# if failed, try MNT_* (bsd44 systems)
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if test "$value" = notfound
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then
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AMU_EXPAND_CPP_HEX(
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AMU_MOUNT_HEADERS
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, MNT_$ac_upcase_fs_name)
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fi
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# if failed, try MS_* as an integer (linux systems)
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if test "$value" = notfound
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then
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AMU_EXPAND_CPP_INT(
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AMU_MOUNT_HEADERS
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, MS_$ac_upcase_fs_name)
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fi
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# If failed try M_* (must be last test since svr4 systems define M_DATA etc.
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# in <sys/stream.h>
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# This test was off for now, because of the conflicts with other systems.
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# but I turned it back on by faking the inclusion of <sys/stream.h> already.
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if test "$value" = notfound
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then
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AMU_EXPAND_CPP_HEX(
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#ifndef _sys_stream_h
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# define _sys_stream_h
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#endif /* not _sys_stream_h */
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#ifndef _SYS_STREAM_H
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# define _SYS_STREAM_H
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#endif /* not _SYS_STREAM_H */
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AMU_MOUNT_HEADERS
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, M_$ac_upcase_fs_name)
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fi
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# set cache variable to value
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eval "ac_cv_mnt2_gen_opt_$ac_fs_name=$value"
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])
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# outside cache check, if ok, define macro
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ac_tmp=`eval echo '$''{ac_cv_mnt2_gen_opt_'$ac_fs_name'}'`
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if test "${ac_tmp}" != notfound
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then
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AC_DEFINE_UNQUOTED($ac_safe, $ac_tmp)
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fi
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])
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dnl ======================================================================
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dnl ######################################################################
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dnl run AMU_CHECK_MNT2_GEN_OPT on each argument given
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dnl Usage: AMU_CHECK_MNT2_GEN_OPTS(arg arg arg ...)
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AC_DEFUN(AMU_CHECK_MNT2_GEN_OPTS,
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[
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for ac_tmp_arg in $1
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do
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AMU_CHECK_MNT2_GEN_OPT($ac_tmp_arg)
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done
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])
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dnl ======================================================================
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