configure.ac: Hack around Termux syslog weirdness.

[fwd] / configure.ac

diff --git a/configure.ac b/configure.ac
index 5da430bbc808c55372549ffb9183413b2092b1c1..bb7eb4b7f8ccb727752bf0d627ef7ace38b74b97 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1,37 +1,38 @@
 dnl -*-autoconf-*-
 dnl
-dnl Configuration script for fw
+dnl Configuration script for fwd
 dnl
 dnl (c) 2008 Straylight/Edgeware
 dnl
 
 dnl ----- Licensing notice --------------------------------------------------
 dnl
-dnl This file is part of the `fw' port forwarder.
+dnl This file is part of the `fwd' port forwarder.
 dnl
-dnl `fw' is free software; you can redistribute it and/or modify
+dnl `fwd' 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 of the License, or
 dnl (at your option) any later version.
 dnl
-dnl `fw' is distributed in the hope that it will be useful,
+dnl `fwd' 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
 dnl GNU General Public License for more details.
 dnl
 dnl You should have received a copy of the GNU General Public License
-dnl along with `fw'; if not, write to the Free Software Foundation,
+dnl along with `fwd'; if not, write to the Free Software Foundation,
 dnl Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
 dnl--------------------------------------------------------------------------
 dnl Initialization.
 
 mdw_AUTO_VERSION
-AC_INIT([fw], AUTO_VERSION, [mdw@distorted.org.uk])
-AC_CONFIG_SRCDIR([fw.c])
+AC_INIT([fwd], AUTO_VERSION, [mdw@distorted.org.uk])
+AC_CONFIG_SRCDIR([fwd.c])
 AC_CONFIG_AUX_DIR([config])
 
 AM_INIT_AUTOMAKE([foreign])
+mdw_SILENT_RULES
 
 dnl--------------------------------------------------------------------------
 dnl C programming environment.
@@ -46,17 +47,19 @@ AC_CHECK_HEADERS([unistd.h])
 dnl Types.
 AC_TYPE_UID_T
 AC_TYPE_PID_T
+AX_TYPE_SOCKLEN_T
 
 dnl Declarations.
 AC_CHECK_DECLS([environ])
 AC_CHECK_DECLS([_sys_siglist])
 
 dnl Libraries.
+AC_SEARCH_LIBS([modf], [m])
 AC_SEARCH_LIBS([socket], [socket])
 AC_SEARCH_LIBS([gethostbyname], [nsl resolv])
 
 dnl Packages.
-PKG_CHECK_MODULES([mLib], [mLib >= 2.0.4])
+PKG_CHECK_MODULES([mLib], [mLib >= 2.2.1])
 
 dnl Functions.
 AC_CHECK_FUNCS([inet_aton])
@@ -65,6 +68,29 @@ AC_CHECK_FUNCS([setgroups])
 AC_CHECK_FUNCS([getnetbyname])
 AC_CHECK_FUNCS([strsignal])
 
+dnl Logging is weird under Termux.  Unfortunately, it involves macros, so we
+dnl have to do this the hard way.
+AC_CACHE_CHECK(
+  [library needed for syslog], [mdw_cv_syslog_lib],
+  [mdw_ORIG_LIBS=$LIBS LIBS=
+   for i in 0 1; do
+     AC_TRY_LINK([#include <syslog.h>],
+                [openlog("test", LOG_PID, LOG_DAEMON);
+                 syslog(LOG_ERR, "this is a test");],
+                [ok=t], [ok=nil])
+     case $i,$ok in
+       *,t) mdw_cv_syslog_lib=${LIBS:-none}; break ;;
+       0,nil) LIBS="-llog" ;;
+       1,nil) AC_MSG_ERROR("failed to link test program") ;;
+     esac
+   done
+   LIBS=$mdw_ORIG_LIBS])
+case $mdw_cv_syslog_lib in
+  none) ;;
+  *) LIBS="$LIBS $mdw_cv_syslog_lib" ;;
+esac
+AC_SUBST([LOGLIBS])
+
 dnl--------------------------------------------------------------------------
 dnl Output.