# We require at least automake 1.11 (needed for 'silent rules').
AM_INIT_AUTOMAKE([1.11 -Wall -Werror no-define nostdinc subdir-objects check-news color-tests])
-m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
+AM_SILENT_RULES([yes])
m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
AH_TOP([#ifndef SR_CONFIG_H
SR_ARG_ENABLE_WARNINGS([SR_WFLAGS], [-Wall], [-Wall -Wextra -Wmissing-prototypes])
# Check host characteristics.
+AC_SYS_LARGEFILE
AC_C_BIGENDIAN
AC_CHECK_HEADERS([sys/mman.h], [SR_APPEND([sr_deps_avail], [sys_mman_h])])
# libm (the standard math library) is always needed.
SR_SEARCH_LIBS([SR_EXTRA_LIBS], [pow], [m])
+AC_ARG_WITH([libieee1284], [AS_HELP_STRING([--without-libieee1284],
+ [disable libieee1284 support [default=detect]])])
+sr_have_libieee1284=no
+AS_IF([test "x$with_libieee1284" != xno], [
+ AC_CHECK_HEADER([ieee1284.h], [
+ SR_SEARCH_LIBS([SR_EXTRA_LIBS], [ieee1284_open], [ieee1284], [
+ sr_have_libieee1284=yes
+ SR_APPEND([sr_deps_avail], [libieee1284])
+ sr_pkg_check_summary_append "libieee1284" yes
+ ])
+ ])
+ AS_IF([test "$sr_have_libieee1284" = no], [
+ AS_IF([test "x$with_libieee1284" = xyes], [
+ AC_MSG_ERROR([libieee1284 support requested, but it was not found.])
+ ])
+ sr_pkg_check_summary_append "libieee1284" no
+ ])
+])
+
# RPC is only needed for VXI support.
AC_CACHE_CHECK([for RPC support], [sr_cv_have_rpc],
[AC_LINK_IFELSE([AC_LANG_PROGRAM(