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Diffstat (limited to 'share/cmake-3.16/Modules/FindPNG.cmake')
| -rw-r--r-- | share/cmake-3.16/Modules/FindPNG.cmake | 150 |
1 files changed, 0 insertions, 150 deletions
diff --git a/share/cmake-3.16/Modules/FindPNG.cmake b/share/cmake-3.16/Modules/FindPNG.cmake deleted file mode 100644 index bd400c7..0000000 --- a/share/cmake-3.16/Modules/FindPNG.cmake +++ /dev/null @@ -1,150 +0,0 @@ -# Distributed under the OSI-approved BSD 3-Clause License. See accompanying -# file Copyright.txt or https://cmake.org/licensing for details. - -#[=======================================================================[.rst: -FindPNG -------- - -Find libpng, the official reference library for the PNG image format. - -Imported targets -^^^^^^^^^^^^^^^^ - -This module defines the following :prop_tgt:`IMPORTED` target: - -``PNG::PNG`` - The libpng library, if found. - -Result variables -^^^^^^^^^^^^^^^^ - -This module will set the following variables in your project: - -``PNG_INCLUDE_DIRS`` - where to find png.h, etc. -``PNG_LIBRARIES`` - the libraries to link against to use PNG. -``PNG_DEFINITIONS`` - You should add_definitions(${PNG_DEFINITIONS}) before compiling code - that includes png library files. -``PNG_FOUND`` - If false, do not try to use PNG. -``PNG_VERSION_STRING`` - the version of the PNG library found (since CMake 2.8.8) - -Obsolete variables -^^^^^^^^^^^^^^^^^^ - -The following variables may also be set, for backwards compatibility: - -``PNG_LIBRARY`` - where to find the PNG library. -``PNG_INCLUDE_DIR`` - where to find the PNG headers (same as PNG_INCLUDE_DIRS) - -Since PNG depends on the ZLib compression library, none of the above -will be defined unless ZLib can be found. -#]=======================================================================] - -if(PNG_FIND_QUIETLY) - set(_FIND_ZLIB_ARG QUIET) -endif() -find_package(ZLIB ${_FIND_ZLIB_ARG}) - -if(ZLIB_FOUND) - find_path(PNG_PNG_INCLUDE_DIR png.h PATH_SUFFIXES include/libpng) - - list(APPEND PNG_NAMES png libpng) - unset(PNG_NAMES_DEBUG) - set(_PNG_VERSION_SUFFIXES 17 16 15 14 12) - if (PNG_FIND_VERSION MATCHES "^([0-9]+)\\.([0-9]+)(\\..*)?$") - set(_PNG_VERSION_SUFFIX_MIN "${CMAKE_MATCH_1}${CMAKE_MATCH_2}") - if (PNG_FIND_VERSION_EXACT) - set(_PNG_VERSION_SUFFIXES ${_PNG_VERSION_SUFFIX_MIN}) - else () - string(REGEX REPLACE - "${_PNG_VERSION_SUFFIX_MIN}.*" "${_PNG_VERSION_SUFFIX_MIN}" - _PNG_VERSION_SUFFIXES "${_PNG_VERSION_SUFFIXES}") - endif () - unset(_PNG_VERSION_SUFFIX_MIN) - endif () - foreach(v IN LISTS _PNG_VERSION_SUFFIXES) - list(APPEND PNG_NAMES png${v} libpng${v} libpng${v}_static) - list(APPEND PNG_NAMES_DEBUG png${v}d libpng${v}d libpng${v}_staticd) - endforeach() - unset(_PNG_VERSION_SUFFIXES) - # For compatibility with versions prior to this multi-config search, honor - # any PNG_LIBRARY that is already specified and skip the search. - if(NOT PNG_LIBRARY) - find_library(PNG_LIBRARY_RELEASE NAMES ${PNG_NAMES}) - find_library(PNG_LIBRARY_DEBUG NAMES ${PNG_NAMES_DEBUG}) - include(${CMAKE_CURRENT_LIST_DIR}/SelectLibraryConfigurations.cmake) - select_library_configurations(PNG) - mark_as_advanced(PNG_LIBRARY_RELEASE PNG_LIBRARY_DEBUG) - endif() - unset(PNG_NAMES) - unset(PNG_NAMES_DEBUG) - - # Set by select_library_configurations(), but we want the one from - # find_package_handle_standard_args() below. - unset(PNG_FOUND) - - if (PNG_LIBRARY AND PNG_PNG_INCLUDE_DIR) - # png.h includes zlib.h. Sigh. - set(PNG_INCLUDE_DIRS ${PNG_PNG_INCLUDE_DIR} ${ZLIB_INCLUDE_DIR} ) - set(PNG_INCLUDE_DIR ${PNG_INCLUDE_DIRS} ) # for backward compatibility - set(PNG_LIBRARIES ${PNG_LIBRARY} ${ZLIB_LIBRARY}) - - if (CYGWIN) - if(BUILD_SHARED_LIBS) - # No need to define PNG_USE_DLL here, because it's default for Cygwin. - else() - set (PNG_DEFINITIONS -DPNG_STATIC) - set(_PNG_COMPILE_DEFINITIONS PNG_STATIC) - endif() - endif () - - if(NOT TARGET PNG::PNG) - add_library(PNG::PNG UNKNOWN IMPORTED) - set_target_properties(PNG::PNG PROPERTIES - INTERFACE_COMPILE_DEFINITIONS "${_PNG_COMPILE_DEFINITIONS}" - INTERFACE_INCLUDE_DIRECTORIES "${PNG_INCLUDE_DIRS}" - INTERFACE_LINK_LIBRARIES ZLIB::ZLIB) - if(EXISTS "${PNG_LIBRARY}") - set_target_properties(PNG::PNG PROPERTIES - IMPORTED_LINK_INTERFACE_LANGUAGES "C" - IMPORTED_LOCATION "${PNG_LIBRARY}") - endif() - if(EXISTS "${PNG_LIBRARY_RELEASE}") - set_property(TARGET PNG::PNG APPEND PROPERTY - IMPORTED_CONFIGURATIONS RELEASE) - set_target_properties(PNG::PNG PROPERTIES - IMPORTED_LINK_INTERFACE_LANGUAGES_RELEASE "C" - IMPORTED_LOCATION_RELEASE "${PNG_LIBRARY_RELEASE}") - endif() - if(EXISTS "${PNG_LIBRARY_DEBUG}") - set_property(TARGET PNG::PNG APPEND PROPERTY - IMPORTED_CONFIGURATIONS DEBUG) - set_target_properties(PNG::PNG PROPERTIES - IMPORTED_LINK_INTERFACE_LANGUAGES_DEBUG "C" - IMPORTED_LOCATION_DEBUG "${PNG_LIBRARY_DEBUG}") - endif() - endif() - - unset(_PNG_COMPILE_DEFINITIONS) - endif () - - if (PNG_PNG_INCLUDE_DIR AND EXISTS "${PNG_PNG_INCLUDE_DIR}/png.h") - file(STRINGS "${PNG_PNG_INCLUDE_DIR}/png.h" png_version_str REGEX "^#define[ \t]+PNG_LIBPNG_VER_STRING[ \t]+\".+\"") - - string(REGEX REPLACE "^#define[ \t]+PNG_LIBPNG_VER_STRING[ \t]+\"([^\"]+)\".*" "\\1" PNG_VERSION_STRING "${png_version_str}") - unset(png_version_str) - endif () -endif() - -include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake) -find_package_handle_standard_args(PNG - REQUIRED_VARS PNG_LIBRARY PNG_PNG_INCLUDE_DIR - VERSION_VAR PNG_VERSION_STRING) - -mark_as_advanced(PNG_PNG_INCLUDE_DIR PNG_LIBRARY ) |