122 lines
3.5 KiB
CMake
122 lines
3.5 KiB
CMake
# - Find GD
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# Find the native GD includes and library
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# This module defines
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# GD_INCLUDE_DIR, where to find gd.h, etc.
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# GD_LIBRARIES, the libraries needed to use GD.
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# GD_FOUND, If false, do not try to use GD.
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# also defined, but not for general use are
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# GD_LIBRARY, where to find the GD library.
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# GD_SUPPORTS_PNG, GD_SUPPORTS_JPEG, GD_SUPPORTS_GIF, test
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# support for image formats in GD.
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FIND_PATH(GD_INCLUDE_DIR gd.h
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/usr/local/include
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/usr/include
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)
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if(WIN32 AND NOT CYGWIN)
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SET(GD_NAMES ${GD_NAMES} bgd)
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else(WIN32)
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SET(GD_NAMES ${GD_NAMES} gd)
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endif(WIN32 AND NOT CYGWIN)
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FIND_LIBRARY(GD_LIBRARY
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NAMES ${GD_NAMES}
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PATHS /usr/lib64 /usr/lib /usr/local/lib
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)
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IF (GD_LIBRARY AND GD_INCLUDE_DIR)
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SET(GD_LIBRARIES ${GD_LIBRARY})
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SET(GD_FOUND "YES")
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ELSE (GD_LIBRARY AND GD_INCLUDE_DIR)
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SET(GD_FOUND "NO")
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ENDIF (GD_LIBRARY AND GD_INCLUDE_DIR)
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message("Found GD: ${GD_FOUND}")
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IF (GD_FOUND)
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IF (WIN32 AND NOT CYGWIN)
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SET(GD_SUPPORTS_PNG ON)
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SET(GD_SUPPORTS_JPEG ON)
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SET(GD_SUPPORTS_GIF ON)
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get_filename_component(GD_LIBRARY_DIR ${GD_LIBRARY} PATH)
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ELSE (WIN32 AND NOT CYGWIN)
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INCLUDE(CheckLibraryExists)
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GET_FILENAME_COMPONENT(GD_LIB_PATH ${GD_LIBRARY} PATH)
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GET_FILENAME_COMPONENT(GD_LIB ${GD_LIBRARY} NAME)
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CHECK_LIBRARY_EXISTS("${GD_LIBRARY}" "gdImagePng" "${GD_LIB_PATH}" GD_SUPPORTS_PNG)
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IF (GD_SUPPORTS_PNG)
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find_package(PNG)
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IF (PNG_FOUND)
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SET(GD_LIBRARIES ${GD_LIBRARIES} ${PNG_LIBRARIES})
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SET(GD_INCLUDE_DIR ${GD_INCLUDE_DIR} ${PNG_INCLUDE_DIR})
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ELSE (PNG_FOUND)
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SET(GD_SUPPORTS_PNG "NO")
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ENDIF (PNG_FOUND)
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ENDIF (GD_SUPPORTS_PNG)
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CHECK_LIBRARY_EXISTS("${GD_LIBRARY}" "gdImageJpeg" "${GD_LIB_PATH}" GD_SUPPORTS_JPEG)
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IF (GD_SUPPORTS_JPEG)
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find_package(JPEG)
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IF (JPEG_FOUND)
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SET(GD_LIBRARIES ${GD_LIBRARIES} ${JPEG_LIBRARIES})
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SET(GD_INCLUDE_DIR ${GD_INCLUDE_DIR} ${JPEG_INCLUDE_DIR})
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ELSE (JPEG_FOUND)
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SET(GD_SUPPORTS_JPEG "NO")
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ENDIF (JPEG_FOUND)
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ENDIF (GD_SUPPORTS_JPEG)
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CHECK_LIBRARY_EXISTS("${GD_LIBRARY}" "gdImageGif" "${GD_LIB_PATH}" GD_SUPPORTS_GIF)
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# Trim the list of include directories
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SET(GDINCTRIM)
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FOREACH(GD_DIR ${GD_INCLUDE_DIR})
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SET(GD_TMP_FOUND OFF)
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FOREACH(GD_TRIMMED ${GDINCTRIM})
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IF ("${GD_DIR}" STREQUAL "${GD_TRIMMED}")
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SET(GD_TMP_FOUND ON)
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ENDIF ("${GD_DIR}" STREQUAL "${GD_TRIMMED}")
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ENDFOREACH(GD_TRIMMED ${GDINCTRIM})
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IF (NOT GD_TMP_FOUND)
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SET(GDINCTRIM "${GDINCTRIM}" "${GD_DIR}")
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ENDIF (NOT GD_TMP_FOUND)
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ENDFOREACH(GD_DIR ${GD_INCLUDE_DIR})
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SET(GD_INCLUDE_DIR ${GDINCTRIM})
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SET(GD_LIBRARY_DIR)
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# Generate trimmed list of library directories and list of libraries
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FOREACH(GD_LIB ${GD_LIBRARIES})
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GET_FILENAME_COMPONENT(GD_NEXTLIBDIR ${GD_LIB} PATH)
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SET(GD_TMP_FOUND OFF)
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FOREACH(GD_LIBDIR ${GD_LIBRARY_DIR})
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IF ("${GD_NEXTLIBDIR}" STREQUAL "${GD_LIBDIR}")
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SET(GD_TMP_FOUND ON)
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ENDIF ("${GD_NEXTLIBDIR}" STREQUAL "${GD_LIBDIR}")
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ENDFOREACH(GD_LIBDIR ${GD_LIBRARIES})
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IF (NOT GD_TMP_FOUND)
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SET(GD_LIBRARY_DIR "${GD_LIBRARY_DIR}" "${GD_NEXTLIBDIR}")
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ENDIF (NOT GD_TMP_FOUND)
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ENDFOREACH(GD_LIB ${GD_LIBRARIES})
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ENDIF (WIN32 AND NOT CYGWIN)
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ENDIF (GD_FOUND)
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IF (GD_FOUND)
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IF (NOT GD_FIND_QUIETLY)
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MESSAGE(STATUS "Found GD: ${GD_LIBRARY}")
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ENDIF (NOT GD_FIND_QUIETLY)
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ELSE (GD_FOUND)
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IF (GD_FIND_REQUIRED)
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MESSAGE(FATAL_ERROR "Could not find GD library")
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ENDIF (GD_FIND_REQUIRED)
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ENDIF (GD_FOUND)
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MARK_AS_ADVANCED(
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GD_LIBRARY
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GD_LIBRARIES
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GD_INCLUDE_DIR
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GD_LIBRARY_DIR
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GD_SUPPORTS_PNG
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GD_SUPPORTS_JPEG
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GD_SUPPORTS_GIF
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)
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