diff options
Diffstat (limited to 'am/rmt.m4')
| -rw-r--r-- | am/rmt.m4 | 20 |
1 files changed, 14 insertions, 6 deletions
@@ -1,3 +1,8 @@ +# Configure paxutils. +# Copyright 2009-2022 Free Software Foundation, Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. AC_DEFUN([PU_RMT],[ # Set LIB_SETSOCKOPT to -lnsl -lsocket if necessary. @@ -16,11 +21,14 @@ AC_DEFUN([PU_RMT],[ 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>], + [AC_PREPROC_IFELSE( + [AC_LANG_SOURCE( + [[ + #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)' @@ -49,7 +57,7 @@ AC_DEFUN([PU_RMT],[ AC_MSG_CHECKING([whether to build rmt]) AC_ARG_WITH([rmt], - AC_HELP_STRING([--with-rmt=FILE], + AS_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]);; |