AC_CONFIG_SRCDIR([yaid.c])
AC_CONFIG_AUX_DIR([config])
AM_INIT_AUTOMAKE([foreign])
+AC_CANONICAL_HOST
mdw_SILENT_RULES
+dnl--------------------------------------------------------------------------
+dnl C programming environment.
+
AC_PROG_CC
AM_PROG_CC_C_O
AX_CFLAGS_WARN_ALL
-dnl--------------------------------------------------------------------------
-dnl C programming environment.
-
AC_CHECK_HEADERS([stdarg.h])
AC_SEARCH_LIBS([socket], [socket])
AM_CFLAGS="$AM_CFLAGS $mLib_CFLAGS"
dnl--------------------------------------------------------------------------
+dnl System-specific code.
+
+case "$host_os" in
+ linux*) SYS=linux ;;
+ *) AC_MSG_ERROR([no support for system `$host_os': patches welcome]) ;;
+esac
+AC_SUBST([SYS])
+
+dnl--------------------------------------------------------------------------
dnl Produce output.
+AC_CONFIG_HEADER([config/config.h])
AC_CONFIG_FILES([Makefile])
AC_OUTPUT