# ===========================================================================
#       URL
# ===========================================================================
#
# SYNOPSIS
#
#   AX_CHECK_CGIUTIL()
#
# DESCRIPTION
#
#
# LICENSE
#
#   Copyright (c) 2011 Boris Manojlovic <boris@steki.net>
#
#   This program 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 2 of the License, or (at your
#   option) any later version.
#
#   This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
#
#   As a special exception, the respective Autoconf Macro's copyright owner
#   gives unlimited permission to copy, distribute and modify the configure
#   scripts that are the output of Autoconf when processing the Macro. You
#   need not follow the terms of the GNU General Public License when using
#   or distributing such scripts, even though portions of the text of the
#   Macro appear in them. The GNU General Public License (GPL) does govern
#   all other use of the material that constitutes the Autoconf Macro.
#
#   This special exception to the GPL applies to versions of the Autoconf
#   Macro released by the Autoconf Archive. When you make and distribute a
#   modified version of the Autoconf Macro, you may extend this special
#   exception to the GPL to apply to your modified version as well.

#serial 1

AU_ALIAS([CHECK_CGIUTIL], [AX_CHECK_CGIUTIL])
AC_DEFUN([AX_CHECK_CGIUTIL],
#
# Handle user hints
#
[AC_ARG_WITH(cgi-util,
[
  --with-cgi-util=DIR root directory path of cgi-util installation [defaults to
                    /usr/local or /usr if not found in /usr/local]
  --without-cgi-util to disable cgi-util usage completely],
[
if test "$withval" != "no"; then
	if test -d "$withval" ; then
		WANT_CGIUTIL="yes"
		cgi_util_places="$withval"
	else
		AC_MSG_WARN([Sorry, $withval does not exist])
	fi
fi
],[
dnl just provide default places where it most probably could be found
cgi_util_places="/usr/local /usr /opt/local /sw"
])

#
# Locate cgi-util
#

if test -n "$cgi_util_places" ; then
	# check the user supplied or any other more or less 'standard' place:
	#   Most UNIX systems      : /usr/local and /usr
	#   MacPorts / Fink on OSX : /opt/local respectively /sw
	for CGIUTIL_HOME in ${cgi_util_places} ; do
	  if test -f "${CGIUTIL_HOME}/include/cgi-util.h"; then break; fi
	  CGIUTIL_HOME=""
	done

	# if cgi-util.h was nowhere to be found, give a notice and bail out
	if test ! -n "${CGIUTIL_HOME}"; then
          AC_MSG_ERROR(No cgi-util.h in any include directory of ${cgi_util_places}: either specify a valid cgi-util installation with --with-cgi-util=DIR or disable cgi-util usage with --without-cgi-util)
	fi

        AC_LANG_SAVE
        AC_LANG_C
        AC_CHECK_LIB(cgi-util, cgi_init, [cgi_util_cv_libcgi_util=yes], [cgi_util_cv_libcgi_util=no])
        AC_CHECK_HEADER(cgi-util.h, [cgiutil_cv_cgiutil_h=yes], [cgi_util_cv_cgi_util_h=no])
        AC_LANG_RESTORE
	CGIUTIL_LIBS="-lcgi-util"
	CGIUTIL_CFLAGS="-I${CGIUTIL_HOME}/include"
        if test "$cgi_util_cv_libcgi_util" != "yes" -a "$cgiutil_cv_cgiutil_h" != "yes"
        then
                # If either header or library was not found, revert and bomb
                AC_MSG_ERROR(either specify a valid cgi-util installation with --with-cgi-util=DIR or disable cgi-util usage with --without-cgi-util)
        fi
fi
AC_SUBST(CGIUTIL_LIBS)
AC_SUBST(CGIUTIL_CFLAGS)
AC_SUBST(CGIUTIL_LDFLAGS) dnl no really use for this library
])