1 2AC_DEFUN([PU_RMT],[ 3 # Set LIB_SETSOCKOPT to -lnsl -lsocket if necessary. 4 pu_save_LIBS=$LIBS 5 LIB_SETSOCKOPT= 6 AC_SEARCH_LIBS(setsockopt, [socket], , 7 [AC_SEARCH_LIBS(setsockopt, [socket], , , [-lnsl])]) 8 AC_SEARCH_LIBS(setsockopt, [nsl]) 9 10 case "$ac_cv_search_setsockopt" in 11 -l*) LIB_SETSOCKOPT=$ac_cv_search_setsockopt 12 esac 13 AC_SUBST(LIB_SETSOCKOPT) 14 LIBS=$pu_save_LIBS 15 16 enable_rmt() { 17 if test $ac_cv_header_sys_mtio_h = yes; then 18 AC_CACHE_CHECK(for remote tape header files, pu_cv_header_rmt, 19 [AC_TRY_CPP([ 20#if HAVE_SGTTY_H 21# include <sgtty.h> 22#endif 23#include <sys/socket.h>], 24 pu_cv_header_rmt=yes, 25 pu_cv_header_rmt=no)]) 26 test $pu_cv_header_rmt = yes && PU_RMT_PROG='rmt$(EXEEXT)' 27 AC_SUBST(PU_RMT_PROG) 28 fi 29 } 30 31 AC_CHECK_HEADERS([sys/mtio.h]) 32 AC_CACHE_CHECK(which ioctl field to test for reversed bytes, 33 pu_cv_header_mtio_check_field, 34 [AC_EGREP_HEADER(mt_model, sys/mtio.h, 35 pu_cv_header_mtio_check_field=mt_model, 36 pu_cv_header_mtio_check_field=mt_type)]) 37 AC_DEFINE_UNQUOTED(MTIO_CHECK_FIELD, 38 $pu_cv_header_mtio_check_field, 39 [Define to mt_model (v.g., for DG/UX), else to mt_type.]) 40 41 42 AC_ARG_VAR([DEFAULT_RMT_DIR], 43 [Define full file name of the directory where to install `rmt'. (default: $(libexecdir))]) 44 if test "x$DEFAULT_RMT_DIR" != x; then 45 DEFAULT_RMT_COMMAND=$DEFAULT_RMT_DIR/rmt 46 else 47 DEFAULT_RMT_DIR='$(libexecdir)' 48 fi 49 50 AC_MSG_CHECKING([whether to build rmt]) 51 AC_ARG_WITH([rmt], 52 AC_HELP_STRING([--with-rmt=FILE], 53 [Use FILE as the default `rmt' program. Do not build included copy of `rmt'.]), 54 [case $withval in 55 yes|no) AC_MSG_ERROR([Invalid argument to --with-rmt]);; 56 /*) DEFAULT_RMT_COMMAND=$withval 57 AC_MSG_RESULT([no, use $withval instead]);; 58 *) AC_MSG_ERROR([Argument to --with-rmt must be an absolute file name]);; 59 esac], 60 [AC_MSG_RESULT([yes]) 61 enable_rmt 62 if test "$PU_RMT_PROG" = ""; then 63 AC_MSG_WARN([not building rmt, required header files are missing]) 64 fi]) 65 66 AC_SUBST(DEFAULT_RMT_COMMAND) 67 if test "x$DEFAULT_RMT_COMMAND" != x; then 68 AC_DEFINE_UNQUOTED(DEFAULT_RMT_COMMAND, "$DEFAULT_RMT_COMMAND", 69 [Define full file name of rmt program.]) 70 fi 71 AM_CONDITIONAL([PU_RMT_COND],[test "$pu_cv_header_rmt" = yes]) 72]) 73