| 1 | dnl -*-autoconf-*- |
| 2 | dnl |
| 3 | dnl Configuration script for fwd |
| 4 | dnl |
| 5 | dnl (c) 2008 Straylight/Edgeware |
| 6 | dnl |
| 7 | |
| 8 | dnl ----- Licensing notice -------------------------------------------------- |
| 9 | dnl |
| 10 | dnl This file is part of the `fwd' port forwarder. |
| 11 | dnl |
| 12 | dnl `fwd' is free software; you can redistribute it and/or modify |
| 13 | dnl it under the terms of the GNU General Public License as published by |
| 14 | dnl the Free Software Foundation; either version 2 of the License, or |
| 15 | dnl (at your option) any later version. |
| 16 | dnl |
| 17 | dnl `fwd' is distributed in the hope that it will be useful, |
| 18 | dnl but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 19 | dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 20 | dnl GNU General Public License for more details. |
| 21 | dnl |
| 22 | dnl You should have received a copy of the GNU General Public License |
| 23 | dnl along with `fwd'; if not, write to the Free Software Foundation, |
| 24 | dnl Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 25 | |
| 26 | dnl-------------------------------------------------------------------------- |
| 27 | dnl Initialization. |
| 28 | |
| 29 | mdw_AUTO_VERSION |
| 30 | AC_INIT([fwd], AUTO_VERSION, [mdw@distorted.org.uk]) |
| 31 | AC_CONFIG_SRCDIR([fwd.c]) |
| 32 | AC_CONFIG_AUX_DIR([config]) |
| 33 | |
| 34 | AM_INIT_AUTOMAKE([foreign]) |
| 35 | mdw_SILENT_RULES |
| 36 | |
| 37 | dnl-------------------------------------------------------------------------- |
| 38 | dnl C programming environment. |
| 39 | |
| 40 | dnl Compiler. |
| 41 | AC_PROG_CC |
| 42 | AX_CFLAGS_WARN_ALL |
| 43 | |
| 44 | dnl Headers. |
| 45 | AC_CHECK_HEADERS([unistd.h]) |
| 46 | |
| 47 | dnl Types. |
| 48 | AC_TYPE_UID_T |
| 49 | AC_TYPE_PID_T |
| 50 | AX_TYPE_SOCKLEN_T |
| 51 | |
| 52 | dnl Declarations. |
| 53 | AC_CHECK_DECLS([environ]) |
| 54 | AC_CHECK_DECLS([_sys_siglist]) |
| 55 | |
| 56 | dnl Libraries. |
| 57 | AC_SEARCH_LIBS([modf], [m]) |
| 58 | AC_SEARCH_LIBS([socket], [socket]) |
| 59 | AC_SEARCH_LIBS([gethostbyname], [nsl resolv]) |
| 60 | |
| 61 | dnl Packages. |
| 62 | PKG_CHECK_MODULES([mLib], [mLib >= 2.2.1]) |
| 63 | |
| 64 | dnl Functions. |
| 65 | AC_CHECK_FUNCS([inet_aton]) |
| 66 | AC_CHECK_FUNCS([setrlimit]) |
| 67 | AC_CHECK_FUNCS([setgroups]) |
| 68 | AC_CHECK_FUNCS([getnetbyname]) |
| 69 | AC_CHECK_FUNCS([strsignal]) |
| 70 | |
| 71 | dnl Logging is weird under Termux. Unfortunately, it involves macros, so we |
| 72 | dnl have to do this the hard way. |
| 73 | AC_CACHE_CHECK( |
| 74 | [library needed for syslog], [mdw_cv_syslog_lib], |
| 75 | [mdw_ORIG_LIBS=$LIBS LIBS= |
| 76 | for i in 0 1; do |
| 77 | AC_TRY_LINK([#include <syslog.h>], |
| 78 | [openlog("test", LOG_PID, LOG_DAEMON); |
| 79 | syslog(LOG_ERR, "this is a test");], |
| 80 | [ok=t], [ok=nil]) |
| 81 | case $i,$ok in |
| 82 | *,t) mdw_cv_syslog_lib=${LIBS:-none}; break ;; |
| 83 | 0,nil) LIBS="-llog" ;; |
| 84 | 1,nil) AC_MSG_ERROR("failed to link test program") ;; |
| 85 | esac |
| 86 | done |
| 87 | LIBS=$mdw_ORIG_LIBS]) |
| 88 | case $mdw_cv_syslog_lib in |
| 89 | none) ;; |
| 90 | *) LIBS="$LIBS $mdw_cv_syslog_lib" ;; |
| 91 | esac |
| 92 | AC_SUBST([LOGLIBS]) |
| 93 | |
| 94 | dnl-------------------------------------------------------------------------- |
| 95 | dnl Output. |
| 96 | |
| 97 | AC_CONFIG_HEADER([config/config.h]) |
| 98 | AC_CONFIG_FILES([Makefile]) |
| 99 | |
| 100 | AC_OUTPUT |
| 101 | |
| 102 | dnl ----- That's all, folks ------------------------------------------------- |