# This file is part of libvmod_basicauth -*- autoconf -*-
# Copyright (C) 2013 Sergey Poznyakoff
#
# Libvmod_basicauth is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
#
# Libvmod_basicauth is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with libvmod_basicauth.  If not, see <http://www.gnu.org/licenses/>.
AC_PREREQ(2.69)
AC_INIT([libvmod-basicauth], 1.0, [gray@gnu.org])
AC_CONFIG_AUX_DIR([build-aux])
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_SRCDIR(src/vmod_basicauth.vcc)
AM_CONFIG_HEADER(config.h)

AC_CANONICAL_SYSTEM
AC_LANG(C)

AM_INIT_AUTOMAKE([gnu tar-ustar])

AC_GNU_SOURCE
AC_PROG_CC
AC_PROG_CC_STDC
if test "x$ac_cv_prog_cc_c99" = xno; then
	AC_MSG_ERROR([could not find a C99 compatible compiler])
fi
AC_PROG_CPP

AC_PROG_INSTALL
AC_PROG_LIBTOOL
AC_PROG_MAKE_SET

# Check for pkg-config
PKG_PROG_PKG_CONFIG

# Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS([sys/stdlib.h])

# Check for python
AC_CHECK_PROGS(PYTHON, [python], [
	AC_MSG_ERROR([python is not found.])])

# Varnish source tree
AC_ARG_VAR([VARNISHSRC], [path to Varnish source tree])
AC_ARG_WITH([varnish-source],
            AC_HELP_STRING([--with-varnish-source=DIR],
	                   [Varnish sources are located in DIR]),
	    [VARNISHSRC=$withval])

if test -z "$VARNISHSRC"; then
	AC_MSG_ERROR([no Varnish source tree specified])
fi
case "$VARNISHSRC" in
/*) ;;
*)  AC_MSG_ERROR([varnish source path must be absolute pathname])
esac

VARNISHSRC=`cd $VARNISHSRC && pwd`
AC_CHECK_FILE([$VARNISHSRC/include/varnishapi.h],
  [],
  [AC_MSG_FAILURE(["$VARNISHSRC" is not a Varnish source directory])])

# Check that varnishtest is built in the varnish source directory
AC_CHECK_FILE([$VARNISHSRC/bin/varnishtest/varnishtest],
  [],
  [AC_MSG_FAILURE([cannot find "$VARNISHSRC/bin/varnishtest/varnishtest". Please build your varnish source directory])]
)

# vmod installation dir
AC_ARG_VAR([VMODDIR],
  [vmod installation directory @<:@LIBDIR/varnish/vmods@:>@])
AC_ARG_WITH([vmod-dir],
  AC_HELP_STRING([--with-vmod-dir@<:@=DIR@:>@],
                 [install modules to DIR; if used without arguments, install them to the varnish module directory]),
  [case "$withval" in
   yes)
       VMODDIR=`pkg-config --variable=vmoddir varnishapi`
       if test -z "$VMODDIR"; then
		AC_MSG_FAILURE([cannot determine vmod installation directory])
       fi;;
   /*) VMODDIR=$withval;;
   *)  AC_MSG_ERROR([argument to --with-vmod-dir must be absolute pathname])
   esac])

if test -z "$VMODDIR"; then
       VMODDIR='$(libdir)/varnish/mods'
fi

AC_CONFIG_FILES([
	Makefile
	src/Makefile
	tests/Makefile
])
AC_OUTPUT