#  $Id: CMakeLists.txt 2327 2008-01-27 15:51:39Z edmanm $
# 
#  Vidalia is distributed under the following license:
#
#  Copyright (C) 2006-2007,  Matt Edman, Justin Hipple
#  Copyright (C) 2008, Matt Edman
#
#  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, write to the Free Software Foundation, Inc., 51
#  Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
#
#
#  This file incorporates work covered by the following copyright and
#  permission notice:
#
#  Copyright (c) 2006, Alexander Neundorf, <neundorf@kde.org>
#
#  Redistribution and use in source and binary forms, with or without
#  modification, are permitted provided that the following conditions are met:
#
#   * Redistributions of source code must retain the above copyright notice,
#     this list of conditions and the following disclaimer.
#
#   * Redistributions in binary form must reproduce the above copyright notice,
#     this list of conditions and the following disclaimer in the documentation
#     and/or other materials provided with the distribution.
#
#   * Neither the names of the copyright owners nor the names of its
#     contributors may be used to endorse or promote products derived from this
#     software without specific prior written permission.
#
#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
#  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
#  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
#  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
#  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
#  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
#  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
#  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
#  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
#  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
#  POSSIBILITY OF SUCH DAMAGE.
#

# Tries to find the required OpenSSL libraries. Once done this will define
# the variable OPENSSL_LIBRARIES.

message(STATUS "Looking for OpenSSL libraries")
if (MSVC)
  # /MD and /MDd are the standard values - if somone wants to use
  # others, the libnames have to change here too
  # use also ssl and ssleay32 in debug as fallback for openssl < 0.9.8b

  find_library(OPENSSL_LIBSSL_DEBUG
    NAMES ssleay32MDd ssl ssleay32
    PATHS ${OPENSSL_LIBRARY_DIR}
  )
  find_library(OPENSSL_LIBSSL_RELEASE
    NAMES ssleay32MD ssl ssleay32
    PATHS ${OPENSSL_LIBRARY_DIR}
  )
  find_library(OPENSSL_LIBCRYPTO_DEBUG
    NAMES libeay32MDd crypto libeay32
    PATHS ${OPENSSL_LIBRARY_DIR}
  )
  find_library(OPENSSL_LIBCRYPTO_RELEASE
    NAMES libeay32MD crypto libeay32
    PATHS ${OPENSSL_LIBRARY_DIR}
  )
   
  if (MSVC_IDE)
    if (NOT OPENSSL_LIBSSL_DEBUG OR NOT OPENSSL_LIBSSL_RELEASE)
      message(FATAL_ERROR
	      "Could not find the debug and release version of libssl.")
    endif(NOT OPENSSL_LIBSSL_DEBUG OR NOT OPENSSL_LIBSSL_RELEASE)
    if (NOT OPENSSL_LIBCRYPTO_DEBUG OR NOT OPENSSL_LIBCRYPTO_RELEASE)
      message(FATAL_ERROR
	      "Could not find the debug and release version of libcrypto.")
    endif(NOT OPENSSL_LIBCRYPTO_DEBUG OR NOT OPENSSL_LIBCRYPTO_RELEASE)

    set(OPENSSL_LIBSSL
      optimized ${OPENSSL_LIBSSL_RELEASE} 
      debug ${OPENSSL_LIBSSL_DEBUG})
    set(OPENSSL_LIBCRYPTO
      optimized ${OPENSSL_LIBCRYPTO_RELEASE}
      debug ${OPENSSL_LIBCRYPTO_DEBUG})
  else(MSVC_IDE)
    string(TOLOWER ${CMAKE_BUILD_TYPE} CMAKE_BUILD_TYPE_TOLOWER)
    if (CMAKE_BUILD_TYPE_TOLOWER MATCHES debug)
      set(OPENSSL_LIBSSL ${OPENSSL_LIBSSL_DEBUG})
      set(OPENSSL_LIBCRYPTO ${OPENSSL_LIBCRYPTO_DEBUG})
    else(CMAKE_BUILD_TYPE_TOLOWER MATCHES debug)
      set(OPENSSL_LIBSSL ${OPENSSL_LIBSSL_RELEASE})
      set(OPENSSL_LIBCRYPTO ${OPENSSL_LIBCRYPTO_RELEASE})
    endif(CMAKE_BUILD_TYPE_TOLOWER MATCHES debug)
  endif(MSVC_IDE)
  mark_as_advanced(OPENSSL_LIBSSL_DEBUG   OPENSSL_LIBCRYPTO_DEBUG
                   OPENSSL_LIBSSL_RELEASE OPENSSL_LIBCRYPTO_RELEASE)
else(MSVC)
  find_library(OPENSSL_LIBSSL NAMES ssl ssleay32)
  find_library(OPENSSL_LIBCRYPTO NAMES crypto libeay32)
endif(MSVC)


if (OPENSSL_LIBSSL AND OPENSSL_LIBCRYPTO)
  set(OPENSSL_LIBRARIES ${OPENSSL_LIBSSL} ${OPENSSL_LIBCRYPTO})
  mark_as_advanced(OPENSSL_LIBSSL OPENSSL_LIBCRYPTO)
  mark_as_advanced(OPENSSL_LIBRARIES)
  message(STATUS "Looking for OpenSSL libraries - found")
else (OPENSSL_LIBSSL AND OPENSSL_LIBCRYPTO)
  if (NOT OPENSSL_LIBSSL)
    message(FATAL_ERROR "Could not find libssl.")
  else (NOT OPENSSL_LIBSSL)
    message(FATAL_ERROR "Could not find libcrypto.")
  endif (NOT OPENSSL_LIBSSL)
endif(OPENSSL_LIBSSL AND OPENSSL_LIBCRYPTO)