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Diffstat (limited to 'share/cmake-3.18/Modules/FindGDAL.cmake')
-rw-r--r-- | share/cmake-3.18/Modules/FindGDAL.cmake | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/share/cmake-3.18/Modules/FindGDAL.cmake b/share/cmake-3.18/Modules/FindGDAL.cmake new file mode 100644 index 0000000..fde84d4 --- /dev/null +++ b/share/cmake-3.18/Modules/FindGDAL.cmake @@ -0,0 +1,165 @@ +# Distributed under the OSI-approved BSD 3-Clause License. See accompanying +# file Copyright.txt or https://cmake.org/licensing for details. + +#[=======================================================================[.rst: +FindGDAL +-------- + +Find Geospatial Data Abstraction Library (GDAL). + +IMPORTED Targets +^^^^^^^^^^^^^^^^ + +This module defines :prop_tgt:`IMPORTED` target ``GDAL::GDAL`` +if GDAL has been found. + +Result Variables +^^^^^^^^^^^^^^^^ + +This module will set the following variables in your project: + +``GDAL_FOUND`` + True if GDAL is found. +``GDAL_INCLUDE_DIRS`` + Include directories for GDAL headers. +``GDAL_LIBRARIES`` + Libraries to link to GDAL. +``GDAL_VERSION`` + The version of GDAL found. + +Cache variables +^^^^^^^^^^^^^^^ + +The following cache variables may also be set: + +``GDAL_LIBRARY`` + The libgdal library file. +``GDAL_INCLUDE_DIR`` + The directory containing ``gdal.h``. + +Hints +^^^^^ + +Set ``GDAL_DIR`` or ``GDAL_ROOT`` in the environment to specify the +GDAL installation prefix. +#]=======================================================================] + +# $GDALDIR is an environment variable that would +# correspond to the ./configure --prefix=$GDAL_DIR +# used in building gdal. +# +# Created by Eric Wing. I'm not a gdal user, but OpenSceneGraph uses it +# for osgTerrain so I whipped this module together for completeness. +# I actually don't know the conventions or where files are typically +# placed in distros. +# Any real gdal users are encouraged to correct this (but please don't +# break the OS X framework stuff when doing so which is what usually seems +# to happen). + +# This makes the presumption that you are include gdal.h like +# +#include "gdal.h" + +find_path(GDAL_INCLUDE_DIR gdal.h + HINTS + ENV GDAL_DIR + ENV GDAL_ROOT + PATH_SUFFIXES + include/gdal + include/GDAL + include +) + +if(UNIX) + # Use gdal-config to obtain the library version (this should hopefully + # allow us to -lgdal1.x.y where x.y are correct version) + # For some reason, libgdal development packages do not contain + # libgdal.so... + find_program(GDAL_CONFIG gdal-config + HINTS + ENV GDAL_DIR + ENV GDAL_ROOT + PATH_SUFFIXES bin + ) + + if(GDAL_CONFIG) + exec_program(${GDAL_CONFIG} ARGS --libs OUTPUT_VARIABLE GDAL_CONFIG_LIBS) + + if(GDAL_CONFIG_LIBS) + # treat the output as a command line and split it up + separate_arguments(args NATIVE_COMMAND "${GDAL_CONFIG_LIBS}") + + # only consider libraries whose name matches this pattern + set(name_pattern "[gG][dD][aA][lL]") + + # consider each entry as a possible library path, name, or parent directory + foreach(arg IN LISTS args) + # library name + if("${arg}" MATCHES "^-l(.*)$") + set(lib "${CMAKE_MATCH_1}") + + # only consider libraries whose name matches the expected pattern + if("${lib}" MATCHES "${name_pattern}") + list(APPEND _gdal_lib "${lib}") + endif() + # library search path + elseif("${arg}" MATCHES "^-L(.*)$") + list(APPEND _gdal_libpath "${CMAKE_MATCH_1}") + # assume this is a full path to a library + elseif(IS_ABSOLUTE "${arg}" AND EXISTS "${arg}") + # extract the file name + get_filename_component(lib "${arg}" NAME) + + # only consider libraries whose name matches the expected pattern + if(NOT "${lib}" MATCHES "${name_pattern}") + continue() + endif() + + # extract the file directory + get_filename_component(dir "${arg}" DIRECTORY) + + # remove library prefixes/suffixes + string(REGEX REPLACE "^(${CMAKE_SHARED_LIBRARY_PREFIX}|${CMAKE_STATIC_LIBRARY_PREFIX})" "" lib "${lib}") + string(REGEX REPLACE "(${CMAKE_SHARED_LIBRARY_SUFFIX}|${CMAKE_STATIC_LIBRARY_SUFFIX})$" "" lib "${lib}") + + # use the file name and directory as hints + list(APPEND _gdal_libpath "${dir}") + list(APPEND _gdal_lib "${lib}") + endif() + endforeach() + endif() + endif() +endif() + +find_library(GDAL_LIBRARY + NAMES ${_gdal_lib} gdal gdal_i gdal1.5.0 gdal1.4.0 gdal1.3.2 GDAL + HINTS + ENV GDAL_DIR + ENV GDAL_ROOT + ${_gdal_libpath} + PATH_SUFFIXES lib +) + +if (EXISTS "${GDAL_INCLUDE_DIR}/gdal_version.h") + file(STRINGS "${GDAL_INCLUDE_DIR}/gdal_version.h" _gdal_version + REGEX "GDAL_RELEASE_NAME") + string(REGEX REPLACE ".*\"\(.*\)\"" "\\1" GDAL_VERSION "${_gdal_version}") + unset(_gdal_version) +else () + set(GDAL_VERSION GDAL_VERSION-NOTFOUND) +endif () + +include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake) +FIND_PACKAGE_HANDLE_STANDARD_ARGS(GDAL + VERSION_VAR GDAL_VERSION + REQUIRED_VARS GDAL_LIBRARY GDAL_INCLUDE_DIR) + +if (GDAL_FOUND AND NOT TARGET GDAL::GDAL) + add_library(GDAL::GDAL UNKNOWN IMPORTED) + set_target_properties(GDAL::GDAL PROPERTIES + IMPORTED_LOCATION "${GDAL_LIBRARY}" + INTERFACE_INCLUDE_DIRECTORIES "${GDAL_INCLUDE_DIR}") +endif () + +set(GDAL_LIBRARIES ${GDAL_LIBRARY}) +set(GDAL_INCLUDE_DIRS ${GDAL_INCLUDE_DIR}) |