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AC_DEFUN([PU_RMT],[
# Set LIB_SETSOCKOPT to -lnsl -lsocket if necessary.
pu_save_LIBS=$LIBS
LIB_SETSOCKOPT=
AC_SEARCH_LIBS(setsockopt, [socket], ,
[AC_SEARCH_LIBS(setsockopt, [socket], , , [-lnsl])])
AC_SEARCH_LIBS(setsockopt, [nsl])
case "$ac_cv_search_setsockopt" in
-l*) LIB_SETSOCKOPT=$ac_cv_search_setsockopt
esac
AC_SUBST(LIB_SETSOCKOPT)
LIBS=$pu_save_LIBS
AC_CHECK_FUNCS_ONCE([strerror])
enable_rmt() {
if test $ac_cv_header_sys_mtio_h = yes; then
AC_CACHE_CHECK(for remote tape header files, pu_cv_header_rmt,
[AC_TRY_CPP([
#if HAVE_SGTTY_H
# include <sgtty.h>
#endif
#include <sys/socket.h>],
pu_cv_header_rmt=yes,
pu_cv_header_rmt=no)])
test $pu_cv_header_rmt = yes && PU_RMT_PROG='rmt$(EXEEXT)'
AC_SUBST(PU_RMT_PROG)
fi
}
AC_CHECK_HEADERS([sys/mtio.h])
AC_CACHE_CHECK(which ioctl field to test for reversed bytes,
pu_cv_header_mtio_check_field,
[AC_EGREP_HEADER(mt_model, sys/mtio.h,
pu_cv_header_mtio_check_field=mt_model,
pu_cv_header_mtio_check_field=mt_type)])
AC_DEFINE_UNQUOTED(MTIO_CHECK_FIELD,
$pu_cv_header_mtio_check_field,
[Define to mt_model (v.g., for DG/UX), else to mt_type.])
AC_ARG_VAR([DEFAULT_RMT_DIR],
[Define full file name of the directory where to install `rmt'. (default: $(libexecdir))])
if test "x$DEFAULT_RMT_DIR" != x; then
DEFAULT_RMT_COMMAND=$DEFAULT_RMT_DIR/rmt
else
DEFAULT_RMT_DIR='$(libexecdir)'
fi
AC_MSG_CHECKING([whether to build rmt])
AC_ARG_WITH([rmt],
AC_HELP_STRING([--with-rmt=FILE],
[Use FILE as the default `rmt' program. Do not build included copy of `rmt'.]),
[case $withval in
yes|no) AC_MSG_ERROR([Invalid argument to --with-rmt]);;
/*) DEFAULT_RMT_COMMAND=$withval
AC_MSG_RESULT([no, use $withval instead]);;
*) AC_MSG_ERROR([Argument to --with-rmt must be an absolute file name]);;
esac],
[AC_MSG_RESULT([yes])
enable_rmt
if test "$PU_RMT_PROG" = ""; then
AC_MSG_WARN([not building rmt, required header files are missing])
fi])
AC_SUBST(DEFAULT_RMT_COMMAND)
if test "x$DEFAULT_RMT_COMMAND" != x; then
AC_DEFINE_UNQUOTED(DEFAULT_RMT_COMMAND, "$DEFAULT_RMT_COMMAND",
[Define full file name of rmt program.])
fi
])
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