luna_mobile_online/examples/cmake/FindFreeImage.cmake

# Find the FreeImage library.
#
# This module defines
#  FREEIMAGE_FOUND             - True if FREEIMAGE was found.
#  FREEIMAGE_INCLUDE_DIRS      - Include directories for FREEIMAGE headers.
#  FREEIMAGE_LIBRARIES         - Libraries for FREEIMAGE.
#
# To specify an additional directory to search, set FREEIMAGE_ROOT.
#
# Copyright (c) 2010, Ewen Cheslack-Postava
# Based on FindSQLite3.cmake by:
#  Copyright (c) 2006, Jaroslaw Staniek, <js@iidea.pl>
#  Extended by Siddhartha Chaudhuri, 2008.
#
# Redistribution and use is allowed according to the terms of the BSD license.
#

SET(FREEIMAGE_FOUND FALSE)
SET(FREEIMAGE_INCLUDE_DIRS)
SET(FREEIMAGE_LIBRARIES)

SET(SEARCH_PATHS
  $ENV{ProgramFiles}/freeimage/include
  $ENV{SystemDrive}/freeimage/include
  $ENV{ProgramFiles}/freeimage
  $ENV{SystemDrive}/freeimage
  )
IF(FREEIMAGE_ROOT)
  SET(SEARCH_PATHS
    ${FREEIMAGE_ROOT}
    ${FREEIMAGE_ROOT}/include
    ${SEARCH_PATHS}
    )
ENDIF()

IF(ANDROID)
  set(FREEIMAGE_INCLUDE_DIRS "${FREEIMAGE_ROOT}/include")
ELSE()
	message("123 ${FREEIMAGE_INCLUDE_DIRS} ${SEARCH_PATHS}")
	FIND_PATH(FREEIMAGE_INCLUDE_DIRS
	  NAMES FreeImage.h
	  PATHS ${SEARCH_PATHS}
	  NO_DEFAULT_PATH)
	message("123 ${FREEIMAGE_INCLUDE_DIRS}")
ENDIF()

IF(NOT FREEIMAGE_INCLUDE_DIRS)  # now look in system locations
  set(FREEIMAGE_ROOT CACHE PATH "Path to FreeImage lib and header")
  FIND_PATH(FREEIMAGE_INCLUDE_DIRS
  NAMES FreeImage.h
  PATHS ${FREEIMAGE_ROOT}
  NO_DEFAULT_PATH)
ENDIF(NOT FREEIMAGE_INCLUDE_DIRS)


SET(FREEIMAGE_LIBRARY_DIRS)
IF(FREEIMAGE_ROOT)
  SET(FREEIMAGE_LIBRARY_DIRS ${FREEIMAGE_ROOT})
  IF(ANDROID)
    SET(FREEIMAGE_LIBRARY_DIRS ${FREEIMAGE_ROOT}/lib/${ANDROID_ABI})
  ELSE()
    IF(EXISTS "${FREEIMAGE_ROOT}/lib")
      SET(FREEIMAGE_LIBRARY_DIRS ${FREEIMAGE_LIBRARY_DIRS} ${FREEIMAGE_ROOT}/lib)
    ENDIF()
    IF(EXISTS "${FREEIMAGE_ROOT}/lib/static")
      SET(FREEIMAGE_LIBRARY_DIRS ${FREEIMAGE_LIBRARY_DIRS} ${FREEIMAGE_ROOT}/lib/static)
    ENDIF()
  ENDIF()
ENDIF()

# FREEIMAGE
# Without system dirs
IF(ANDROID)
  SET(FREEIMAGE_LIBRARY ${FREEIMAGE_ROOT}/lib/${ANDROID_ABI}/libFreeImage.a)
ELSE()
  FIND_LIBRARY(FREEIMAGE_LIBRARY
    NAMES FreeImage
    PATHS ${FREEIMAGE_LIBRARY_DIRS}
    NO_DEFAULT_PATH
    )
ENDIF()


IF(NOT FREEIMAGE_LIBRARY)  # now look in system locations
  FIND_LIBRARY(FREEIMAGE_LIBRARY NAMES freeimage)
ENDIF(NOT FREEIMAGE_LIBRARY)

IF(NOT FREEIMAGE_INCLUDE_DIRS)  # now look in system locations
  FIND_PATH(FREEIMAGE_INCLUDE_DIRS NAMES FreeImage.h)
ENDIF(NOT FREEIMAGE_INCLUDE_DIRS)

SET(FREEIMAGE_LIBRARIES)
IF(FREEIMAGE_LIBRARY)
  SET(FREEIMAGE_LIBRARIES ${FREEIMAGE_LIBRARY})
  
  # now find dependencies
  if(MSVC)
	SET(FREEIMAGE_DEPENDENCIES FreeImageToolkit jpeg LibTIFF4 Metadata libpng16 zlibstatic)
  else()
	SET(FREEIMAGE_DEPENDENCIES jpeg Metadata png16 z FreeImageToolkit LibTIFF4)
  endif()
  
  FOREACH(FREEIMAGE_DEP IN LISTS FREEIMAGE_DEPENDENCIES)
    IF(ANDROID)
      SET(FREEIMAGE_DEP_${FREEIMAGE_DEP} ${FREEIMAGE_LIBRARY_DIRS}/lib${FREEIMAGE_DEP}.a)
    ELSE()
      SET(FREEIMAGE_DEP_${FREEIMAGE_DEP})
      
      FIND_LIBRARY(FREEIMAGE_DEP_${FREEIMAGE_DEP}
        NAMES ${FREEIMAGE_DEP}
        PATHS ${FREEIMAGE_LIBRARY_DIRS}
        NO_DEFAULT_PATH
        )
    ENDIF()
    
	  if(FREEIMAGE_DEP_${FREEIMAGE_DEP})
  		SET(FREEIMAGE_LIBRARIES ${FREEIMAGE_LIBRARIES} ${FREEIMAGE_DEP_${FREEIMAGE_DEP}})
    endif()
    
  endforeach()
ENDIF()

#-----------------------------------------------------------------------
#emscripten *.bc-files with cmake:
if(EMSCRIPTEN)
	if(EXISTS "${FREEIMAGE_ROOT}/include/FreeImage.h")
		message("emscripten: ${FREEIMAGE_ROOT}/include/FreeImage.h exists.")
		SET(FREEIMAGE_INCLUDE_DIRS "${FREEIMAGE_ROOT}/include/")
	endif()
		message("FREEIMAGE_INCLUDE_DIRS:${FREEIMAGE_INCLUDE_DIRS}")

	if(EXISTS "${FREEIMAGE_ROOT}/lib/libFreeImage.bc")
		message("emscripten: ${FREEIMAGE_ROOT}/lib/libFreeImage.bc exists.")
		SET(FREEIMAGE_LIBRARIES ${FREEIMAGE_LIBRARIES} "${FREEIMAGE_ROOT}/lib/libFreeImage.bc")
		SET(FREEIMAGE_LIBRARIES ${FREEIMAGE_LIBRARIES} "${FREEIMAGE_ROOT}/lib/libjpeg.bc")
		SET(FREEIMAGE_LIBRARIES ${FREEIMAGE_LIBRARIES} "${FREEIMAGE_ROOT}/lib/libMetadata.bc")
		SET(FREEIMAGE_LIBRARIES ${FREEIMAGE_LIBRARIES} "${FREEIMAGE_ROOT}/lib/libpng16.bc")
		SET(FREEIMAGE_LIBRARIES ${FREEIMAGE_LIBRARIES} "${FREEIMAGE_ROOT}/lib/libz.bc")
		SET(FREEIMAGE_LIBRARIES ${FREEIMAGE_LIBRARIES} "${FREEIMAGE_ROOT}/lib/libFreeImageToolkit.bc")
		SET(FREEIMAGE_LIBRARIES ${FREEIMAGE_LIBRARIES} "${FREEIMAGE_ROOT}/lib/libLibTIFF4.bc")
		SET(FREEIMAGE_DEPENDENCIES jpeg Metadata png16 z FreeImageToolkit LibTIFF4)
	else()
		message(ERROR "emscripten: ${FREEIMAGE_ROOT}/lib/libflower.bc NOT exists.")
	endif()
endif()
#-----------------------------------------------------------------------

IF(FREEIMAGE_INCLUDE_DIRS AND FREEIMAGE_LIBRARIES)
  SET(FREEIMAGE_FOUND TRUE)
  IF(NOT FREEIMAGE_FIND_QUIETLY)
    MESSAGE(STATUS "Found FreeImage: headers at ${FREEIMAGE_INCLUDE_DIRS}, libraries at ${FREEIMAGE_LIBRARY_DIRS} :: ${FREEIMAGE_LIBRARIES}")
  ENDIF(NOT FREEIMAGE_FIND_QUIETLY)
ELSE(FREEIMAGE_INCLUDE_DIRS AND FREEIMAGE_LIBRARIES)
  SET(FREEIMAGE_FOUND FALSE)
  IF(FREEIMAGE_FIND_REQUIRED)
    MESSAGE(STATUS "FreeImage not found")
  ENDIF(FREEIMAGE_FIND_REQUIRED)
ENDIF(FREEIMAGE_INCLUDE_DIRS AND FREEIMAGE_LIBRARIES)

MARK_AS_ADVANCED(FREEIMAGE_INCLUDE_DIRS FREEIMAGE_LIBRARIES)