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# use pkg-config to get the directories and then use these values
# in the FIND_PATH() and FIND_LIBRARY() calls
INCLUDE(UsePkgConfig)

PKGCONFIG(OpenEXR _OpenEXRIncDir _OpenEXRLinkDir _OpenEXRLinkFlags _OpenEXRCflags)

#PKGCONFIG(libagg _AGGIncDir _AGGLinkDir _AGGLinkFlags _AGGCflags)

FIND_PATH(OPENEXR_INCLUDE_DIR ImfRgbaFile.h
   ${_OpenEXRIncDir}
   ${_OpenEXRIncDir}/OpenEXR/
   /usr/include
   /usr/local/include
)

FIND_LIBRARY(OPENEXR_HALF_LIBRARY NAMES Half
  PATHS
  ${_OPENEXRLinkDir}
  /usr/lib
  /usr/local/lib
)


FIND_LIBRARY(OPENEXR_IEX_LIBRARY NAMES Iex
  PATHS
  ${_OPENEXRLinkDir}
  /usr/lib
  /usr/local/lib
)

FIND_LIBRARY(OPENEXR_IMATH_LIBRARY NAMES Imath
  PATHS
  ${_OPENEXRLinkDir}
  /usr/lib
  /usr/local/lib
)


FIND_LIBRARY(OPENEXR_ILMIMF_LIBRARY NAMES IlmImf 
  PATHS
  ${_OPENEXRLinkDir}
  /usr/lib
  /usr/local/lib
)

set( OPENEXR_LIBRARIES ${OPENEXR_HALF_LIBRARY} ${OPENEXR_IMATH_LIBRARY} )

if (OPENEXR_INCLUDE_DIR AND OPENEXR_IMATH_LIBRARY AND OPENEXR_ILMIMF_LIBRARY  AND OPENEXR_IEX_LIBRARY AND OPENEXR_HALF_LIBRARY)
   set( OPENEXR_FOUND TRUE)
   set( OPENEXR_LIBRARIES ${OPENEXR_IMATH_LIBRARY} ${OPENEXR_ILMIMF_LIBRARY} ${OPENEXR_IEX_LIBRARY} ${OPENEXR_HALF_LIBRARY})
endif (OPENEXR_INCLUDE_DIR AND OPENEXR_IMATH_LIBRARY AND OPENEXR_ILMIMF_LIBRARY AND OPENEXR_IEX_LIBRARY AND OPENEXR_HALF_LIBRARY)



if (OPENEXR_FOUND)
  if (NOT OpenEXR_FIND_QUIETLY)
    message(STATUS "Found OPENEXR: ${OPENEXR_LIBRARIES}")
  endif (NOT OpenEXR_FIND_QUIETLY)
else (OPENEXR_FOUND)
  if (OpenEXR_FIND_REQUIRED)
    message(FATAL_ERROR "Could NOT find OPENEXR")
  endif (OpenEXR_FIND_REQUIRED)
endif (OPENEXR_FOUND)

MARK_AS_ADVANCED(
   OPENEXR_INCLUDE_DIR 
   OPENEXR_LIBRARIES 
   OPENEXR_ILMIMF_LIBRARY 
   OPENEXR_IMATH_LIBRARY 
   OPENEXR_IEX_LIBRARY 
   OPENEXR_HALF_LIBRARY )