# Find MYO
#
# This module defines
#  MYO_FOUND
#  MYO_INCLUDE_DIRS
#  MYO_LIBRARIES
#
# Copyright (c) 2012 I-maginer
# 
# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU Lesser 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 Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License along with
# this program; if not, write to the Free Software Foundation, Inc., 59 Temple
# Place - Suite 330, Boston, MA 02111-1307, USA, or go to
# http://www.gnu.org/copyleft/lesser.txt
#

# On a new cmake run, we do not need to be verbose
IF(MYO_INCLUDE_DIR AND MYO_LIBRARY)
	SET(MYO_FIND_QUIETLY TRUE)
ENDIF()

# If MYO_ROOT was defined in the environment, use it.
if (NOT MYO_ROOT)
  if(NOT "$ENV{MYO_ROOT}" STREQUAL "")
    set(MYO_ROOT $ENV{MYO_ROOT})
  else()
    set(MYO_ROOT $ENV{SCOL_DEPENDENCIES_PATH}/myo)
  endif()
endif()

# concat all the search paths
IF(MYO_ROOT)
	SET(MYO_INCLUDE_SEARCH_DIRS
	  ${MYO_INCLUDE_SEARCH_DIRS}
	  ${MYO_ROOT}/include
  )
  SET(MYO_LIBRARY_SEARCH_RELEASE_DIRS 
    ${MYO_LIBRARY_SEARCH_DIRS}
    ${MYO_ROOT}/lib
  )
  SET(MYO_LIBRARY_SEARCH_DEBUG_DIRS 
    ${MYO_LIBRARY_SEARCH_DIRS}
    ${MYO_ROOT}/lib
  )
ENDIF()

# log message
IF (NOT MYO_FIND_QUIETLY)
	MESSAGE(STATUS "Checking for MYO library")
ENDIF()

# Search for header files
FIND_PATH(MYO_INCLUDE_DIR myo/myo.hpp
  PATHS ${MYO_INCLUDE_SEARCH_DIRS})

# Search for libraries files (release mode)

if(WIN32 AND (WIN64 OR (CMAKE_SIZEOF_VOID_P EQUAL 8)))
FIND_LIBRARY(MYO_LIBRARY_RELEASE myo64
  PATHS ${MYO_LIBRARY_SEARCH_RELEASE_DIRS})

# Search for libraries files (debug mode)
FIND_LIBRARY(MYO_LIBRARY_DEBUG myo64
  PATHS ${MYO_LIBRARY_SEARCH_DEBUG_DIRS})
  
else ()

FIND_LIBRARY(MYO_LIBRARY_RELEASE myo32
  PATHS ${MYO_LIBRARY_SEARCH_RELEASE_DIRS})

# Search for libraries files (debug mode)
FIND_LIBRARY(MYO_LIBRARY_DEBUG myo32
  PATHS ${MYO_LIBRARY_SEARCH_DEBUG_DIRS})
endif ()

# Configure libraries for debug/release
SET(MYO_INCLUDE_DIRS ${MYO_INCLUDE_DIR} CACHE STRING "Directory containing MYO header files")
SET(MYO_LIBRARY debug ${MYO_LIBRARY_DEBUG} optimized ${MYO_LIBRARY_RELEASE})
SET(MYO_LIBRARIES ${MYO_LIBRARY} CACHE STRING "MYO libraries files")

IF(MYO_INCLUDE_DIR AND MYO_LIBRARY)
	SET(MYO_FOUND TRUE)
ENDIF()

# Hide those variables in GUI
SET(MYO_INCLUDE_DIR ${MYO_INCLUDE_DIR} CACHE INTERNAL "")
SET(MYO_LIBRARY_RELEASE ${MYO_LIBRARY_RELEASE} CACHE INTERNAL "")
SET(MYO_LIBRARY_DEBUG ${MYO_LIBRARY_DEBUG} CACHE INTERNAL "")
SET(MYO_LIBRARY ${MYO_LIBRARY} CACHE INTERNAL "")

# log find result
IF(MYO_FOUND)
	IF(NOT MYO_FIND_QUIETLY)
		MESSAGE(STATUS "  libraries: ${MYO_LIBRARIES}")
		MESSAGE(STATUS "  includes: ${MYO_INCLUDE_DIRS}")
	ENDIF()
ELSE(MYO_FOUND)
	IF(NOT MYO_LIBRARIES)
		MESSAGE(STATUS, "MYO library or one of it dependencies could not be found.")
	ENDIF()
	IF(NOT MYO_INCLUDE_DIRS)
		MESSAGE(STATUS "MYO include files could not be found.")
	ENDIF()
ENDIF(MYO_FOUND)