diff options
Diffstat (limited to 'share/cmake-3.22/Modules/FindGDAL.cmake')
| -rw-r--r-- | share/cmake-3.22/Modules/FindGDAL.cmake | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/share/cmake-3.22/Modules/FindGDAL.cmake b/share/cmake-3.22/Modules/FindGDAL.cmake new file mode 100644 index 0000000..5237e15 --- /dev/null +++ b/share/cmake-3.22/Modules/FindGDAL.cmake @@ -0,0 +1,199 @@ +# 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 +^^^^^^^^^^^^^^^^ + +.. versionadded:: 3.14 + +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`` + .. versionadded:: 3.14 + 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. + +The following variables may be set to modify the search strategy: + +``FindGDAL_SKIP_GDAL_CONFIG`` + If set, ``gdal-config`` will not be used. This can be useful if there are + GDAL libraries built with autotools (which provide the tool) and CMake (which + do not) in the same environment. +``GDAL_ADDITIONAL_LIBRARY_VERSIONS`` + Extra versions of library names to search for. +#]=======================================================================] + +# $GDALDIR is an environment variable that would +# correspond to the ./configure --prefix=$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 + DOC "Path to the GDAL include directory" +) +mark_as_advanced(GDAL_INCLUDE_DIR) + +if(UNIX AND NOT FindGDAL_SKIP_GDAL_CONFIG) + # 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 + DOC "Path to the gdal-config tool" + ) + mark_as_advanced(GDAL_CONFIG) + + if(GDAL_CONFIG) + execute_process(COMMAND ${GDAL_CONFIG} --libs OUTPUT_VARIABLE GDAL_CONFIG_LIBS) + + if(GDAL_CONFIG_LIBS) + # treat the output as a command line and split it up + separate_arguments(args NATIVE_COMMAND "${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() + +# GDAL name its library when built with CMake as `gdal${major}${minor}`. +set(_gdal_versions + ${GDAL_ADDITIONAL_LIBRARY_VERSIONS} 3.0 2.4 2.3 2.2 2.1 2.0 1.11 1.10 1.9 1.8 1.7 1.6 1.5 1.4 1.3 1.2) + +set(_gdal_libnames) +foreach (_gdal_version IN LISTS _gdal_versions) + string(REPLACE "." "" _gdal_version "${_gdal_version}") + list(APPEND _gdal_libnames "gdal${_gdal_version}" "GDAL${_gdal_version}") +endforeach () +unset(_gdal_version) +unset(_gdal_versions) + +find_library(GDAL_LIBRARY + NAMES ${_gdal_lib} ${_gdal_libnames} gdal gdal_i gdal1.5.0 gdal1.4.0 gdal1.3.2 GDAL + HINTS + ENV GDAL_DIR + ENV GDAL_ROOT + ${_gdal_libpath} + PATH_SUFFIXES lib + DOC "Path to the GDAL library" +) +mark_as_advanced(GDAL_LIBRARY) +unset(_gdal_libnames) +unset(_gdal_lib) + +if (EXISTS "${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) + set(GDAL_LIBRARIES ${GDAL_LIBRARY}) + set(GDAL_INCLUDE_DIRS ${GDAL_INCLUDE_DIR}) + + if (NOT TARGET GDAL::GDAL) + add_library(GDAL::GDAL UNKNOWN IMPORTED) + set_target_properties(GDAL::GDAL PROPERTIES + IMPORTED_LOCATION "${GDAL_LIBRARY}" + INTERFACE_INCLUDE_DIRECTORIES "${GDAL_INCLUDE_DIR}") + endif () +endif () |