dnl Copyright (c) 1998-1999 peter memishian (meem), meem@gnu.org
dnl
dnl This program is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 2, or (at your option)
dnl any later version.
dnl
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
dnl General Public License for more details.
dnl
dnl SCCS "%Z%%M%	%I%	%E% meem"
dnl

dnl Process this file with autoconf to produce a configure script.
AC_INIT
AC_CONFIG_SRCDIR([src/rlpr.c])
AM_CONFIG_HEADER(config.h)

AM_INIT_AUTOMAKE(rlpr, "2.06")
AC_PREFIX_PROGRAM(rlpr)

dnl Set of available languages
ALL_LINGUAS=

dnl Checks for programs.
AC_PROG_INSTALL
AC_PROG_CC
AC_PROG_CPP
AC_PROG_LN_S

dnl NLS support -- macro is included with gettext 0.10.30+
AM_GNU_GETTEXT

dnl Checks for libraries.
AC_CHECK_LIB(nsl, gethostbyname)
AC_CHECK_LIB(socket, socket)

dnl Checks for header files.
AC_HEADER_STDC
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS(libintl.h string.h limits.h select.h sys/select.h)

dnl Custom check for location of MAXHOSTNAMELEN
AC_MSG_CHECKING([where MAXHOSTNAMELEN is defined])
AC_EGREP_CPP([yes],
[
#include <netdb.h>
#ifdef MAXHOSTNAMELEN
yes
#endif
], [AC_DEFINE(R_MAXHOSTNAMELEN_HDR,<netdb.h>) AC_MSG_RESULT(<netdb.h>)],
   [AC_DEFINE(R_MAXHOSTNAMELEN_HDR,<sys/param.h>) AC_MSG_RESULT(<sys/param.h>)
])

dnl Custom check for definition of EXIT_SUCCESS/EXIT_FAILURE
AC_MSG_CHECKING([whether EXIT_SUCCESS and EXIT_FAILURE are defined])
AC_EGREP_CPP([yes],
[
#include <stdlib.h>
#ifdef EXIT_SUCCESS
yes
#endif
], [AC_MSG_RESULT(yes)],
   [AC_DEFINE(EXIT_SUCCESS,0) AC_DEFINE(EXIT_FAILURE,1) AC_MSG_RESULT(no)]
)

dnl Custom check for the size of an off_t
AC_MSG_CHECKING([whether off_t is a long or a longlong])
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <sys/types.h>
int main() { return sizeof (long) != sizeof (off_t); }
]])],[AC_DEFINE(R_OFF_T_FMT, "%ld")  AC_MSG_RESULT(long)],[AC_DEFINE(R_OFF_T_FMT, "%lld") AC_MSG_RESULT(long long)],[AC_DEFINE(R_OFF_T_FMT, "%ld")  AC_MSG_RESULT([(guessed) long])
])

dnl Custom check for h_errno in <netdb.h>
AC_MSG_CHECKING([whether h_errno is declared (in <netdb.h>)])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]], [[int i = h_errno;]])],[AC_DEFINE(H_ERRNO_DECLARED) AC_MSG_RESULT(yes)],[AC_MSG_RESULT(no)
])

dnl Checks for typedefs, structures, and compiler characteristics.
AC_TYPE_PID_T
AC_TYPE_OFF_T
AC_TYPE_SIZE_T
AC_CHECK_TYPE(ssize_t, long int)
AC_TYPE_SIGNAL
AC_C_CONST
AC_C_INLINE

dnl Checks for library functions.
dnl
dnl TODO: expand this list as we get experience with what's commonly
dnl	  missing from various UNIX variants.  Also, read through the
dnl	  autoconf documentation more carefully to get a feel for
dnl	  what's commonly missing.
dnl
dnl vprintf is here because lib/error.c compiles differently depending
dnl on its presence.  rlpr doesn't currently make use of it otherwise.
dnl
AC_FUNC_ALLOCA
AC_CHECK_FUNCS(strerror seteuid setreuid vprintf setresuid strdup strstr)
AC_CHECK_FUNCS(strchr getopt_long strcasecmp strtoul strtol vsyslog)

AC_REPLACE_FUNCS(strdup strstr strcasecmp)
AC_CHECK_FUNC(getopt_long,, AC_LIBOBJ([getopt1]) AC_LIBOBJ([getopt]))

AC_CONFIG_FILES([Makefile lib/Makefile src/Makefile intl/Makefile man/Makefile po/Makefile.in])
AC_OUTPUT