-AC_INIT(rnetclient,2014.1,softwares-impostos@fsfla.org)
-AC_CONFIG_AUX_DIR(build-aux)
+dnl Autoconf configure script for rnetclient.
+dnl Copyright (C) 2013-2014 Thadeu Lima de Souza Cascardo <cascardo@minaslivre.org>
+dnl Copyright (C) 2014 Sergio Durigan Junior <sergiodj@sergiodj.net>
+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 3 of the License, or
+dnl (at your option) 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
+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 this program. If not, see <http://www.gnu.org/licenses/>.
+
+dnl Run ./bootstrap.sh on the source directory in order to process this
+dnl file.
+
+dnl Initialization routines.
+AC_INIT([rnetclient], [2014.1], [softwares-impostos@fsfla.org], [],
+ [http://wiki.libreplanetbr.org/rnetclient])
+dnl If you update this auxiliary directory, remember to also update the
+dnl value of $AUX_DIR in the 'bootstrap.sh' script.
+AC_CONFIG_AUX_DIR([build-aux])
AM_INIT_AUTOMAKE
+
+dnl Do we have a usable compiler and 'install'?
AC_PROG_CC
AC_PROG_INSTALL
+
+dnl Checking for GNUTLS and libgcrypt.
PKG_CHECK_MODULES(GNUTLS, gnutls >= 1.4.0, , AC_MSG_ERROR(Could not find gnutls))
AM_PATH_LIBGCRYPT(,,AC_MSG_ERROR(Could not find gcrypt))
+
+dnl Setting useful flags.
LIBS="$LIBGCRYPT_LIBS $GNUTLS_LIBS $LIBS -lz"
CFLAGS="$LIBGCRYPT_CFLAGS $GNUTLS_CFLAGS $CFLAGS"
+
+dnl Outputting the necessary files for the build.
AC_CONFIG_HEADERS([config.h])
AC_OUTPUT(Makefile)