Upgrade libpng to 1.2.44 for security fixes.
Change-Id: Iae257ca6ea7031a99f38e9de196d71ef8b94f9aa
diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..ebe66cc
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,284 @@
+cmake_minimum_required(VERSION 2.4.3)
+set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS true)
+
+if(UNIX AND NOT DEFINED CMAKE_BUILD_TYPE)
+ 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()
+
+project(libpng C)
+enable_testing()
+
+# Copyright (C) 2007-2010 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 2)
+set(PNGLIB_RELEASE 44)
+set(PNGLIB_NAME libpng${PNGLIB_MAJOR}${PNGLIB_MINOR})
+set(PNGLIB_VERSION ${PNGLIB_MAJOR}.${PNGLIB_MINOR}.${PNGLIB_RELEASE})
+
+# needed packages
+find_package(ZLIB REQUIRED)
+include_directories(${ZLIB_INCLUDE_DIR})
+
+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}${PNGLIB_MINOR})
+
+# to distinguish between debug and release lib
+set(CMAKE_DEBUG_POSTFIX "d")
+
+
+# OUR SOURCES
+set(libpng_sources
+ png.h
+ pngconf.h
+ png.c
+ pngerror.c
+ pngget.c
+ pngmem.c
+ pngpread.c
+ pngread.c
+ pngrio.c
+ pngrtran.c
+ pngrutil.c
+ pngset.c
+ pngtrans.c
+ pngwio.c
+ pngwrite.c
+ pngwtran.c
+ pngwutil.c
+)
+set(pngtest_sources
+ pngtest.c
+)
+# SOME NEEDED DEFINITIONS
+
+add_definitions(-DPNG_CONFIGURE_LIBPNG)
+
+if(_AIX)
+ add_definitions(-D_ALL_SOURCE)
+endif(_AIX)
+
+if(MSVC)
+ add_definitions(-DPNG_NO_MODULEDEF -D_CRT_SECURE_NO_DEPRECATE)
+endif(MSVC)
+
+if(PNG_SHARED OR NOT MSVC)
+ #if building msvc static this has NOT to be defined
+ add_definitions(-DZLIB_DLL)
+endif()
+
+add_definitions(-DLIBPNG_NO_MMX)
+add_definitions(-DPNG_NO_MMX_CODE)
+
+
+if(PNG_CONSOLE_IO_SUPPORTED)
+ add_definitions(-DPNG_CONSOLE_IO_SUPPORTED)
+endif()
+
+if(PNG_NO_CONSOLE_IO)
+ add_definitions(-DPNG_NO_CONSOLE_IO)
+endif()
+
+if(PNG_NO_STDIO)
+ add_definitions(-DPNG_NO_STDIO)
+endif()
+
+if(PNG_DEBUG)
+ add_definitions(-DPNG_DEBUG)
+endif()
+
+if(NOT M_LIBRARY AND NOT WIN32)
+ add_definitions(-DPNG_NO_FLOATING_POINT_SUPPORTED)
+endif()
+
+# NOW BUILD OUR TARGET
+include_directories(${CMAKE_CURRENT_SOURCE_DIR} ${ZLIB_INCLUDE_DIR})
+
+if(PNG_SHARED)
+ add_library(${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")
+ endif()
+ target_link_libraries(${PNG_LIB_NAME} ${ZLIB_LIBRARY} ${M_LIBRARY})
+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()
+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()
+
+
+# CREATE PKGCONFIG FILES
+# we use the same files like ./configure, so we have to set its vars
+set(prefix ${CMAKE_INSTALL_PREFIX})
+set(exec_prefix ${CMAKE_INSTALL_PREFIX})
+set(libdir ${CMAKE_INSTALL_PREFIX}/lib)
+set(includedir ${CMAKE_INSTALL_PREFIX}/include)
+
+configure_file(${CMAKE_CURRENT_SOURCE_DIR}/scripts/libpng.pc.in
+ ${CMAKE_CURRENT_BINARY_DIR}/libpng.pc)
+configure_file(${CMAKE_CURRENT_SOURCE_DIR}/scripts/libpng-config.in
+ ${CMAKE_CURRENT_BINARY_DIR}/libpng-config)
+configure_file(${CMAKE_CURRENT_SOURCE_DIR}/scripts/libpng.pc.in
+ ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}.pc)
+configure_file(${CMAKE_CURRENT_SOURCE_DIR}/scripts/libpng-config.in
+ ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}-config)
+
+# SET UP LINKS
+if(PNG_SHARED)
+ set_target_properties(${PNG_LIB_NAME} PROPERTIES
+# VERSION 0.${PNGLIB_RELEASE}.1.2.44
+ VERSION 0.${PNGLIB_RELEASE}.0
+ SOVERSION 0
+ CLEAN_DIRECT_OUTPUT 1)
+endif()
+if(PNG_STATIC)
+ if(NOT WIN32)
+ # that's uncool on win32 - it overwrites our static import lib...
+ set_target_properties(${PNG_LIB_NAME_STATIC} PROPERTIES
+ OUTPUT_NAME ${PNG_LIB_NAME}
+ CLEAN_DIRECT_OUTPUT 1)
+ endif()
+endif()
+
+# INSTALL
+if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL )
+ if(PNG_SHARED)
+ install(TARGETS ${PNG_LIB_NAME}
+ RUNTIME DESTINATION bin
+ LIBRARY DESTINATION lib
+ ARCHIVE DESTINATION lib)
+ endif()
+ if(PNG_STATIC)
+ install(TARGETS ${PNG_LIB_NAME_STATIC}
+ LIBRARY DESTINATION lib
+ ARCHIVE DESTINATION lib)
+ endif()
+endif()
+
+if(NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL )
+ install(FILES png.h pngconf.h DESTINATION include)
+ install(FILES png.h pngconf.h DESTINATION include/${PNGLIB_NAME})
+endif()
+if(NOT SKIP_INSTALL_EXECUTABLES AND NOT SKIP_INSTALL_ALL )
+ install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/libpng-config DESTINATION bin)
+ install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}-config
+ DESTINATION bin)
+endif()
+if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL )
+ # Install man pages
+ install(FILES libpng.3 libpngpf.3 DESTINATION man/man3)
+ install(FILES png.5 DESTINATION man/man5)
+ # Install pkg-config files
+ install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng.pc
+ DESTINATION lib/pkgconfig)
+ install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng-config
+ DESTINATION bin)
+ install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}.pc
+ DESTINATION lib/pkgconfig)
+ install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}-config
+ DESTINATION bin)
+endif()
+
+# what's with libpng.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
+