FindLibJpeg.cmake

# Copyright (c) 2009, Whispersoft s.r.l.
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# Finds LibJpeg library
#
#  LibJpeg_INCLUDE_DIR - where to find jpeglib.h, etc.
#  LibJpeg_LIBRARIES   - List of libraries when using LibJpeg.
#  LibJpeg_FOUND       - True if LibJpeg found.
#

if (LibJpeg_INCLUDE_DIR)
  # Already in cache, be silent
  set(LibJpeg_FIND_QUIETLY TRUE)
endif (LibJpeg_INCLUDE_DIR)

find_path(LibJpeg_INCLUDE_DIR jpeglib.h
  /opt/local/include
  /usr/local/include
  /usr/include
)

set(LibJpeg_NAMES jpeg)
find_library(LibJpeg_LIBRARY
  NAMES ${LibJpeg_NAMES}
  PATHS /usr/lib /usr/local/lib /opt/local/lib
)

if (LibJpeg_INCLUDE_DIR AND LibJpeg_LIBRARY)
   set(LibJpeg_FOUND TRUE)
   set( LibJpeg_LIBRARIES ${LibJpeg_LIBRARY} )
else (LibJpeg_INCLUDE_DIR AND LibJpeg_LIBRARY)
   set(LibJpeg_FOUND FALSE)
   set(LibJpeg_LIBRARIES)
endif (LibJpeg_INCLUDE_DIR AND LibJpeg_LIBRARY)

if (LibJpeg_FOUND)
   if (NOT LibJpeg_FIND_QUIETLY)
      message(STATUS "Found LibJpeg: ${LibJpeg_LIBRARY}")
   endif (NOT LibJpeg_FIND_QUIETLY)
else (LibJpeg_FOUND)
   if (LibJpeg_FIND_REQUIRED)
      message(STATUS "Looked for LibJpeg libraries named ${LibJpeg_NAMES}.")
      message(STATUS "Include file detected: [${LibJpeg_INCLUDE_DIR}].")
      message(STATUS "Lib file detected: [${LibJpeg_LIBRARY}].")
      message(FATAL_ERROR "=========> Could NOT find LibJpeg library")
   endif (LibJpeg_FIND_REQUIRED)
endif (LibJpeg_FOUND)

mark_as_advanced(
  LibJpeg_LIBRARY
  LibJpeg_INCLUDE_DIR
  )