#
# Empire - A multi-player, client/server Internet based war game.
-# Copyright (C) 1986-2017, Dave Pare, Jeff Bailey, Thomas Ruschak,
+# Copyright (C) 1986-2020, Dave Pare, Jeff Bailey, Thomas Ruschak,
# Ken Stevens, Steve McClure, Markus Armbruster
#
# Empire is free software: you can redistribute it and/or modify
# configure.ac: Autoconf input file
#
# Known contributors to this file:
-# Markus Armbruster, 2005-2016
+# Markus Armbruster, 2005-2020
#
# Process this file with autoconf to produce a configure script.
# Autoconf makes checking for and programming around assorted ancient
-# crap relatively painless. But why bother? Just rely on C89 and
-# POSIX, and when something breaks on some oddball machine, see
-# whether it's worth fixing.
+# crap relatively painless. But why bother? Just rely on POSIX, and
+# when something breaks on some oddball machine, see whether it's
+# worth fixing.
AC_PREREQ(2.69)
AC_INIT([Wolfpack Empire],
- m4_esyscmd([build-aux/git-version-gen $srcdir/.tarball-version]),
+ m4_esyscmd([build-aux/git-version-gen .tarball-version]),
[wolfpack@wolfpackempire.com], [empire],
[http://www.wolfpackempire.com/])
AC_CONFIG_SRCDIR([include/combat.h])
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_HEADERS([config.h])
-
### Checks for programs
AC_PROG_AWK
AC_PROG_INSTALL
AC_PROG_RANLIB
-AC_PROG_CC
+
+AC_PROG_CC_STDC
AM_PROG_CC_C_O
# Private automake macro, tsk, tsk, tsk...
_AM_DEPENDENCIES(CC)
+AC_DEFINE([_XOPEN_SOURCE], [600],
+ [Request POSIX-1.2001 with XSI Extension])
+# Note: this is after AC_PROG_CC_STDC, because Solaris cc fails with
+# _XOPEN_SOURCE unless switched to C99, which breaks AC_PROG_CC_STDC.
AC_ARG_VAR(NROFF, [nroff command])
AC_CHECK_PROG(NROFF, groff, [GROFF_NO_SGR= groff -Tascii -U], nroff)
### Checks for typedefs, structures, and compiler characteristics
+if test "$GCC"
+then
+
# Enable useful warnings
# Some of them are commented out because the code needs cleanup first
# Clang needs to be tested with -Werror=unknown-warning-option
}
]])])
+fi # $GCC
+
### Checks for library functions
-AC_CHECK_FUNCS(getaddrinfo getpass)
+AC_CHECK_FUNCS(getaddrinfo)
+MY_WORKING_IN6_IS_ADDR_V4MAPPED
MY_FUNC_MAKECONTEXT