dnl Check for libcurl and dependencies
dnl Copyright (C) 2004 Free Software Foundation, Inc.
dnl
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License.  As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
dnl
dnl Defines HAVE_LIBCURL to 1 if a working curl setup is found, and sets
dnl @LIBCURL@ and @LIBCURL_INCLUDES@ to the necessary values.
dnl $have_libcurl is set to yes or no so other things in configure can
dnl make use of it.

AC_DEFUN([GNUPG_CHECK_LIBCURL],
[
  AC_ARG_WITH(libcurl,
     AC_HELP_STRING([--with-libcurl=DIR],[look for the curl library in DIR]),
     [_do_libcurl=$withval],[_do_libcurl=yes])

  if test "$_do_libcurl" != "no" ; then
     if test -d "$withval" ; then
        CPPFLAGS="${CPPFLAGS} -I$withval/include"
        LDFLAGS="${LDFLAGS} -L$withval/lib"
     fi

     AC_MSG_CHECKING([for libcurl])

     if eval curl-config --version 2>/dev/null >/dev/null; then
        AC_SUBST([LIBCURL_INCLUDES],[`curl-config --cflags`])
        AC_SUBST([LIBCURL],[`curl-config --libs`])
        have_libcurl=yes
     else
        have_libcurl=no
     fi

     AC_MSG_RESULT([$have_libcurl])

     unset _do_libcurl
  fi
])dnl