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# - Find GD
# Find the native GD includes and library
# This module defines
# GD_INCLUDE_DIR, where to find gd.h, etc.
# GD_LIBRARIES, the libraries needed to use GD.
# GD_FOUND, If false, do not try to use GD.
# also defined, but not for general use are
# GD_LIBRARY, where to find the GD library.
# GD_SUPPORTS_PNG, GD_SUPPORTS_JPEG, GD_SUPPORTS_GIF, test
# support for image formats in GD.
find_path(GD_INCLUDE_DIR gd.h
/usr/local/include
/usr/include
)
if(WIN32_AND_NOT_CYGWIN)
set(GD_NAMES ${GD_NAMES} bgd)
else(WIN32_AND_NOT_CYGWIN)
set(GD_NAMES ${GD_NAMES} gd)
endif(WIN32_AND_NOT_CYGWIN)
find_library(GD_LIBRARY
NAMES ${GD_NAMES}
PATHS /usr/local/lib /usr/lib
)
if(GD_LIBRARY AND GD_INCLUDE_DIR)
set(GD_LIBRARIES ${GD_LIBRARY})
set(GD_FOUND "YES")
else(GD_LIBRARY AND GD_INCLUDE_DIR)
set(GD_FOUND "NO")
endif(GD_LIBRARY AND GD_INCLUDE_DIR)
if(GD_FOUND)
if(WIN32_AND_NOT_CYGWIN)
set(GD_SUPPORTS_PNG ON)
set(GD_SUPPORTS_JPEG ON)
set(GD_SUPPORTS_GIF ON)
get_filename_component(GD_LIBRARY_DIR ${GD_LIBRARY} PATH)
else(WIN32_AND_NOT_CYGWIN)
include(CheckLibraryExists)
get_filename_component(GD_LIB_PATH ${GD_LIBRARY} PATH)
get_filename_component(GD_LIB ${GD_LIBRARY} NAME)
check_library_exists(
"${GD_LIBRARY}"
"gdImagePng"
"${GD_LIB_PATH}"
GD_SUPPORTS_PNG
)
if(GD_SUPPORTS_PNG)
find_package(PNG)
if(PNG_FOUND)
set(GD_LIBRARIES ${GD_LIBRARIES} ${PNG_LIBRARIES})
set(GD_INCLUDE_DIR ${GD_INCLUDE_DIR} ${PNG_INCLUDE_DIR})
else(PNG_FOUND)
set(GD_SUPPORTS_PNG "NO")
endif(PNG_FOUND)
endif(GD_SUPPORTS_PNG)
check_library_exists(
"${GD_LIBRARY}"
"gdImageJpeg"
"${GD_LIB_PATH}"
GD_SUPPORTS_JPEG
)
if(GD_SUPPORTS_JPEG)
find_package(JPEG)
if(JPEG_FOUND)
set(GD_LIBRARIES ${GD_LIBRARIES} ${JPEG_LIBRARIES})
set(GD_INCLUDE_DIR ${GD_INCLUDE_DIR} ${JPEG_INCLUDE_DIR})
else(JPEG_FOUND)
set(GD_SUPPORTS_JPEG "NO")
endif(JPEG_FOUND)
endif(GD_SUPPORTS_JPEG)
check_library_exists(
"${GD_LIBRARY}"
"gdImageGif"
"${GD_LIB_PATH}"
GD_SUPPORTS_GIF)
# Trim the list of include directories
set(GDINCTRIM)
foreach(GD_DIR ${GD_INCLUDE_DIR})
set(GD_TMP_FOUND OFF)
foreach(GD_TRIMMED ${GDINCTRIM})
if("${GD_DIR}" STREQUAL "${GD_TRIMMED}")
set(GD_TMP_FOUND ON)
endif("${GD_DIR}" STREQUAL "${GD_TRIMMED}")
endforeach(GD_TRIMMED ${GDINCTRIM})
if(NOT GD_TMP_FOUND)
set(GDINCTRIM "${GDINCTRIM}" "${GD_DIR}")
endif(NOT GD_TMP_FOUND)
endforeach(GD_DIR ${GD_INCLUDE_DIR})
set(GD_INCLUDE_DIR ${GDINCTRIM})
set(GD_LIBRARY_DIR)
# Generate trimmed list of library directories and list of libraries
foreach(GD_LIB ${GD_LIBRARIES})
get_filename_component(GD_NEXTLIBDIR ${GD_LIB} PATH)
set(GD_TMP_FOUND OFF)
foreach(GD_LIBDIR ${GD_LIBRARY_DIR})
if("${GD_NEXTLIBDIR}" STREQUAL "${GD_LIBDIR}")
set(GD_TMP_FOUND ON)
endif("${GD_NEXTLIBDIR}" STREQUAL "${GD_LIBDIR}")
endforeach(GD_LIBDIR ${GD_LIBRARIES})
if(NOT GD_TMP_FOUND)
set(GD_LIBRARY_DIR "${GD_LIBRARY_DIR}" "${GD_NEXTLIBDIR}")
endif(NOT GD_TMP_FOUND)
endforeach(GD_LIB ${GD_LIBRARIES})
endif(WIN32_AND_NOT_CYGWIN)
endif(GD_FOUND)
if(GD_FOUND)
if(NOT GD_FIND_QUIETLY)
message(STATUS "Found GD: ${GD_LIBRARY}")
endif(NOT GD_FIND_QUIETLY)
else(GD_FOUND)
if(GD_FIND_REQUIRED)
message(FATAL_ERROR "Could not find GD library")
endif(GD_FIND_REQUIRED)
endif(GD_FOUND)
mark_as_advanced(
GD_LIBRARY
GD_LIBRARIES
GD_INCLUDE_DIR
GD_LIBRARY_DIR
GD_SUPPORTS_PNG
GD_SUPPORTS_JPEG
GD_SUPPORTS_GIF
)
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