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-rw-r--r--contrib/libpng/CMakeLists.txt313
1 files changed, 10 insertions, 303 deletions
diff --git a/contrib/libpng/CMakeLists.txt b/contrib/libpng/CMakeLists.txt
index 36a55dc..b35c5d7 100644
--- a/contrib/libpng/CMakeLists.txt
+++ b/contrib/libpng/CMakeLists.txt
@@ -1,303 +1,10 @@
-cmake_minimum_required(VERSION 2.4.4)
-set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS true)
-
-if(UNIX AND NOT DEFINED CMAKE_BUILD_TYPE)
- if(CMAKE_MAJOR_VERSION EQUAL 2 AND CMAKE_MINOR_VERSION EQUAL 4)
- # workaround CMake 2.4.x bug
- set(CMAKE_BUILD_TYPE "RelWithDebInfo" CACHE STRING
- "Choose the type of build, options are:
- None(CMAKE_CXX_FLAGS or CMAKE_C_FLAGS used)
- Debug
- Release
- RelWithDebInfo
- MinSizeRel.")
- else()
- set(CMAKE_BUILD_TYPE "RelWithDebInfo" CACHE STRING
- "Choose the type of build, options are:
- None(CMAKE_CXX_FLAGS or CMAKE_C_FLAGS used)
- Debug
- Release
- RelWithDebInfo
- MinSizeRel.")
- endif()
-endif()
-
-project(libpng C)
-enable_testing()
-
-# Copyright (C) 2007-2011 Glenn Randers-Pehrson
-
-# This code is released under the libpng license.
-# For conditions of distribution and use, see the disclaimer
-# and license in png.h
-
-set(PNGLIB_MAJOR 1)
-set(PNGLIB_MINOR 5)
-set(PNGLIB_RELEASE 1)
-set(PNGLIB_NAME libpng${PNGLIB_MAJOR}${PNGLIB_MINOR})
-set(PNGLIB_VERSION ${PNGLIB_MAJOR}.${PNGLIB_MINOR}.${PNGLIB_RELEASE})
-
-if(NOT WIN32)
- find_library(M_LIBRARY
- NAMES m
- PATHS /usr/lib /usr/local/lib
- )
- if(NOT M_LIBRARY)
- message(STATUS
- "math library 'libm' not found - floating point support disabled")
- endif()
-else()
- # not needed on windows
- set(M_LIBRARY "")
-endif()
-
-# COMMAND LINE OPTIONS
-if(DEFINED PNG_SHARED)
- option(PNG_SHARED "Build shared lib" ${PNG_SHARED})
-else()
- option(PNG_SHARED "Build shared lib" ON)
-endif()
-if(DEFINED PNG_STATIC)
- option(PNG_STATIC "Build static lib" ${PNG_STATIC})
-else()
- option(PNG_STATIC "Build static lib" ON)
-endif()
-
-if(MINGW)
- option(PNG_TESTS "Build pngtest" NO)
-else()
- option(PNG_TESTS "Build pngtest" YES)
-endif()
-
-option(PNG_NO_CONSOLE_IO "FIXME" YES)
-option(PNG_NO_STDIO "FIXME" YES)
-option(PNG_DEBUG "Build with debug output" NO)
-option(PNGARG "FIXME" YES)
-#TODO:
-# PNG_CONSOLE_IO_SUPPORTED
-
-# maybe needs improving, but currently I don't know when we can enable what :)
-set(png_asm_tmp "OFF")
-if(NOT WIN32)
- find_program(uname_executable NAMES uname PATHS /bin /usr/bin /usr/local/bin)
- if(uname_executable)
- exec_program(${uname_executable}
- ARGS --machine OUTPUT_VARIABLE uname_output)
- if("uname_output" MATCHES "^.*i[1-9]86.*$")
- set(png_asm_tmp "ON")
- else("uname_output" MATCHES "^.*i[1-9]86.*$")
- set(png_asm_tmp "OFF")
- endif("uname_output" MATCHES "^.*i[1-9]86.*$")
- endif(uname_executable)
-else()
- # this env var is normally only set on win64
- set(TEXT "ProgramFiles(x86)")
- if("$ENV{${TEXT}}" STREQUAL "")
- set(png_asm_tmp "ON")
- endif("$ENV{${TEXT}}" STREQUAL "")
-endif()
-
-# SET LIBNAME
-set(PNG_LIB_NAME png${PNGLIB_MAJOR}${PNGLIB_MINOR})
-
-# to distinguish between debug and release lib
-set(CMAKE_DEBUG_POSTFIX "d")
-
-# Use the prebuilt pnglibconf.h file from the scripts folder
-configure_file(${CMAKE_CURRENT_SOURCE_DIR}/scripts/pnglibconf.h.prebuilt
- ${CMAKE_CURRENT_BINARY_DIR}/pnglibconf.h)
-include_directories(${CMAKE_CURRENT_BINARY_DIR})
-
-# OUR SOURCES
-set(libpng_public_hdrs
- png.h
- pngconf.h
- ${CMAKE_CURRENT_BINARY_DIR}/pnglibconf.h
-)
-set(libpng_sources
- ${libpng_public_hdrs}
- pngdebug.h
- pnginfo.h
- pngpriv.h
- pngstruct.h
- png.c
- pngerror.c
- pngget.c
- pngmem.c
- pngpread.c
- pngread.c
- pngrio.c
- pngrtran.c
- pngrutil.c
- pngset.c
- pngtrans.c
- pngwio.c
- pngwrite.c
- pngwtran.c
- pngwutil.c
-)
-set(pngtest_sources
- pngtest.c
-)
-# SOME NEEDED DEFINITIONS
-
-add_definitions(-DPNG_CONFIGURE_LIBPNG)
-
-if(_AIX)
- add_definitions(-D_ALL_SOURCE)
-endif(_AIX)
-
-if(MSVC)
- add_definitions(-DPNG_NO_MODULEDEF -D_CRT_SECURE_NO_DEPRECATE)
-endif(MSVC)
-
-if(PNG_SHARED OR NOT MSVC)
- #if building msvc static this has NOT to be defined
- add_definitions(-DZLIB_DLL)
-endif()
-
-
-if(PNG_CONSOLE_IO_SUPPORTED)
- add_definitions(-DPNG_CONSOLE_IO_SUPPORTED)
-endif()
-
-if(PNG_NO_CONSOLE_IO)
- add_definitions(-DPNG_NO_CONSOLE_IO)
-endif()
-
-if(PNG_NO_STDIO)
- add_definitions(-DPNG_NO_STDIO)
-endif()
-
-if(PNG_DEBUG)
- add_definitions(-DPNG_DEBUG)
-endif()
-
-if(NOT M_LIBRARY AND NOT WIN32)
- add_definitions(-DPNG_NO_FLOATING_POINT_SUPPORTED)
-endif()
-
-# NOW BUILD OUR TARGET
-include_directories(${CMAKE_CURRENT_SOURCE_DIR})
-
-if(PNG_SHARED)
- add_library(${PNG_LIB_NAME} SHARED ${libpng_sources})
- if(MSVC)
- # msvc does not append 'lib' - do it here to have consistent name
- set_target_properties(${PNG_LIB_NAME} PROPERTIES PREFIX "lib")
- set_target_properties(${PNG_LIB_NAME} PROPERTIES IMPORT_PREFIX "lib")
- endif()
- target_link_libraries(${PNG_LIB_NAME} Zlib::zlib ${M_LIBRARY})
- target_include_directories(${PNG_LIB_NAME} PUBLIC . ${CMAKE_CURRENT_BINARY_DIR})
- add_library(Png::png ALIAS ${PNG_LIB_NAME})
-endif()
-
-if(PNG_STATIC)
-# does not work without changing name
- set(PNG_LIB_NAME_STATIC ${PNG_LIB_NAME}_static)
- add_library(${PNG_LIB_NAME_STATIC} STATIC ${libpng_sources})
- if(MSVC)
- # msvc does not append 'lib' - do it here to have consistent name
- set_target_properties(${PNG_LIB_NAME_STATIC} PROPERTIES PREFIX "lib")
- endif()
- target_link_libraries(${PNG_LIB_NAME_STATIC} Zlib::zlib ${M_LIBRARY})
- target_include_directories(${PNG_LIB_NAME_STATIC} PUBLIC . ${CMAKE_CURRENT_BINARY_DIR})
- add_library(Png::pngstatic ALIAS ${PNG_LIB_NAME}_static)
-endif()
-
-
-if(PNG_SHARED AND WIN32)
- set_target_properties(${PNG_LIB_NAME} PROPERTIES DEFINE_SYMBOL PNG_BUILD_DLL)
-endif()
-
-if(PNG_TESTS AND PNG_SHARED)
- # does not work with msvc due to png_lib_ver issue
- add_executable(pngtest ${pngtest_sources})
- target_link_libraries(pngtest ${PNG_LIB_NAME})
- add_test(pngtest ./pngtest ${CMAKE_CURRENT_SOURCE_DIR}/pngtest.png)
-endif()
-
-#
-# Set a variable with CMake code which:
-# Creates a symlink from src to dest (if possible) or alternatively
-# copies if different.
-macro(_png_generate_symlink_code CODE SRC DEST)
- if(WIN32 AND NOT CYGWIN)
- set(_png_gsc_message "Copying ${SRC} to ${DEST} if needed")
- set(_png_gsc_operation "copy_if_different")
- else()
- set(_png_gsc_message "Symlinking ${SRC} to ${DEST}")
- set(_png_gsc_operation "create_symlink")
- endif()
-
- set(${CODE} "
- message(STATUS \"${_png_gsc_message}\")
- execute_process(COMMAND \${CMAKE_COMMAND} -E ${_png_gsc_operation}
- \"${SRC}\" \"${DEST}\")
- ")
-endmacro()
-
-# CREATE PKGCONFIG FILES
-# we use the same files like ./configure, so we have to set its vars
-if(NOT DEFINED CMAKE_INSTALL_LIBDIR)
- set(CMAKE_INSTALL_LIBDIR lib)
-endif(NOT DEFINED CMAKE_INSTALL_LIBDIR)
-set(prefix ${CMAKE_INSTALL_PREFIX})
-set(exec_prefix ${CMAKE_INSTALL_PREFIX})
-set(libdir ${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR})
-set(includedir ${CMAKE_INSTALL_PREFIX}/include)
-set(LIBS "-lz -lm")
-configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libpng.pc.in
- ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}.pc @ONLY)
-_png_generate_symlink_code(PNG_PC_INSTALL_CODE
- ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}.pc
- ${CMAKE_CURRENT_BINARY_DIR}/libpng.pc)
-
-configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libpng-config.in
- ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}-config @ONLY)
-_png_generate_symlink_code(PNG_CONFIG_INSTALL_CODE
- ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}-config
- ${CMAKE_CURRENT_BINARY_DIR}/libpng-config)
-
-# SET UP LINKS
-if(PNG_SHARED)
- set_target_properties(${PNG_LIB_NAME} PROPERTIES
-# VERSION 15.${PNGLIB_RELEASE}.1.5.1
- VERSION 15.${PNGLIB_RELEASE}.0
- SOVERSION 15
- CLEAN_DIRECT_OUTPUT 1)
-endif()
-if(PNG_STATIC)
- # MSVC doesn't use a different file extension for shared vs. static
- # libs. We are able to change OUTPUT_NAME to remove the _static
- # for all other platforms.
- if(NOT MSVC)
- set_target_properties(${PNG_LIB_NAME_STATIC} PROPERTIES
- OUTPUT_NAME ${PNG_LIB_NAME}
- CLEAN_DIRECT_OUTPUT 1)
- endif()
-endif()
-
-# If CMake > 2.4.x, we set a variable used below to export
-# targets to an export file.
-# TODO: Use VERSION_GREATER after our cmake_minimum_required >= 2.6.2
-if(CMAKE_MAJOR_VERSION GREATER 1 AND CMAKE_MINOR_VERSION GREATER 4)
- set(PNG_EXPORT_RULE EXPORT libpng)
-elseif(CMAKE_MAJOR_VERSION GREATER 2) # future proof
- set(PNG_EXPORT_RULE EXPORT libpng)
-endif()
-
-# what's with libpng-$VER%.txt and all the extra files?
-
-
-# UNINSTALL
-# do we need this?
-
-
-# DIST
-# do we need this?
-
-# to create msvc import lib for mingw compiled shared lib
-# pexports libpng.dll > libpng.def
-# lib /def:libpng.def /machine:x86
-
+FetchContent_Declare(
+ libpng
+ URL
+ https://download.sourceforge.net/libpng/libpng-1.5.1.tar.gz
+ https://ftp.ignore.pl/starshatter/resources/mirror/libpng-1.5.1.tar.gz
+ URL_HASH SHA1=29afc7422d4d8af1066f8783ae148e298520d5ba
+ PATCH_COMMAND ${CMAKE_COMMAND} -D "PATCH_FILE=${CMAKE_CURRENT_SOURCE_DIR}/1.zlib.patch" -P ${PATCH_SCRIPT}
+ PATCH_COMMAND ${CMAKE_COMMAND} -D "PATCH_FILE=${CMAKE_CURRENT_SOURCE_DIR}/2.export.patch" -P ${PATCH_SCRIPT}
+ PATCH_COMMAND ${CMAKE_COMMAND} -D "PATCH_FILE=${CMAKE_CURRENT_SOURCE_DIR}/3.includes.patch" -P ${PATCH_SCRIPT}
+ DOWNLOAD_EXTRACT_TIMESTAMP No)
generated by cgit v1.1 at 2024-05-18 19:58:04 +0000