+# CMakeLists.txt
+
+# 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
+
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.")
+ 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:
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 4)
-set(PNGLIB_RELEASE 4)
+set(PNGLIB_MINOR 5)
+set(PNGLIB_RELEASE 7)
set(PNGLIB_NAME libpng${PNGLIB_MAJOR}${PNGLIB_MINOR})
set(PNGLIB_VERSION ${PNGLIB_MAJOR}.${PNGLIB_MINOR}.${PNGLIB_RELEASE})
option(PNG_STATIC "Build static lib" ON)
endif()
-if(MINGW)
- option(PNG_TESTS "Build pngtest" NO)
-else()
- option(PNG_TESTS "Build pngtest" YES)
-endif()
+option(PNG_TESTS "Build libpng tests" YES)
-option(PNG_NO_CONSOLE_IO "FIXME" YES)
-option(PNG_NO_STDIO "FIXME" YES)
+# Many more configuration options could be added here
option(PNG_DEBUG "Build with debug output" NO)
-option(PNGARG "FIXME" YES)
-#TODO:
-# PNG_CONSOLE_IO_SUPPORTED
-
-# maybe needs improving, but currently I don't know when we can enable what :)
-set(png_asm_tmp "OFF")
-if(NOT WIN32)
- find_program(uname_executable NAMES uname PATHS /bin /usr/bin /usr/local/bin)
- if(uname_executable)
- exec_program(${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{${TEXT}}" STREQUAL "")
-endif()
+option(PNGARG "Disable ANSI-C prototypes" NO)
# SET LIBNAME
set(PNG_LIB_NAME png${PNGLIB_MAJOR}${PNGLIB_MINOR})
# to distinguish between debug and release lib
set(CMAKE_DEBUG_POSTFIX "d")
+# Use the prebuilt pnglibconf.h file from the scripts folder
+# TODO: fix this by building with awk; without this no cmake build can be
+# configured directly (to do so indirectly use your local awk to build a
+# pnglibconf.h in the build directory.)
+configure_file(${CMAKE_CURRENT_SOURCE_DIR}/scripts/pnglibconf.h.prebuilt
+ ${CMAKE_CURRENT_BINARY_DIR}/pnglibconf.h)
+include_directories(${CMAKE_CURRENT_BINARY_DIR})
# OUR SOURCES
-set(libpng_sources
+set(libpng_public_hdrs
png.h
pngconf.h
+ ${CMAKE_CURRENT_BINARY_DIR}/pnglibconf.h
+)
+set(libpng_sources
+ ${libpng_public_hdrs}
+ pngdebug.h
+ pnginfo.h
pngpriv.h
+ pngstruct.h
png.c
pngerror.c
pngget.c
set(pngtest_sources
pngtest.c
)
+set(pngvalid_sources
+ contrib/libtests/pngvalid.c
+)
# SOME NEEDED DEFINITIONS
add_definitions(-DPNG_CONFIGURE_LIBPNG)
-if(_AIX)
- add_definitions(-D_ALL_SOURCE)
-endif(_AIX)
-
if(MSVC)
- add_definitions(-DPNG_NO_MODULEDEF -D_CRT_SECURE_NO_DEPRECATE)
+ add_definitions(-D_CRT_SECURE_NO_DEPRECATE)
endif(MSVC)
-if(PNG_SHARED OR NOT MSVC)
- #if building msvc static this has NOT to be defined
- add_definitions(-DZLIB_DLL)
-endif()
-
-
-if(PNG_CONSOLE_IO_SUPPORTED)
- add_definitions(-DPNG_CONSOLE_IO_SUPPORTED)
-endif()
-
-if(PNG_NO_CONSOLE_IO)
- add_definitions(-DPNG_NO_CONSOLE_IO)
-endif()
-
-if(PNG_NO_STDIO)
- add_definitions(-DPNG_NO_STDIO)
-endif()
-
if(PNG_DEBUG)
add_definitions(-DPNG_DEBUG)
endif()
-if(NOT M_LIBRARY AND NOT WIN32)
- add_definitions(-DPNG_NO_FLOATING_POINT_SUPPORTED)
-endif()
-
# NOW BUILD OUR TARGET
include_directories(${CMAKE_CURRENT_SOURCE_DIR} ${ZLIB_INCLUDE_DIR})
target_link_libraries(${PNG_LIB_NAME_STATIC} ${ZLIB_LIBRARY} ${M_LIBRARY})
endif()
-
if(PNG_SHARED AND WIN32)
set_target_properties(${PNG_LIB_NAME} PROPERTIES DEFINE_SYMBOL PNG_BUILD_DLL)
endif()
add_executable(pngtest ${pngtest_sources})
target_link_libraries(pngtest ${PNG_LIB_NAME})
add_test(pngtest ./pngtest ${CMAKE_CURRENT_SOURCE_DIR}/pngtest.png)
+ #
+ add_executable(pngvalid ${pngvalid_sources})
+ target_link_libraries(pngvalid ${PNG_LIB_NAME})
+ add_test(pngvalid ./pngvalid)
endif()
-#
+# Ensure the CMAKE_LIBRARY_OUTPUT_DIRECTORY is set
+IF(NOT CMAKE_LIBRARY_OUTPUT_DIRECTORY)
+ IF(WIN32)
+ SET(CMAKE_LIBRARY_OUTPUT_DIRECTORY "bin")
+ ELSE(WIN32)
+ SET(CMAKE_LIBRARY_OUTPUT_DIRECTORY "lib")
+ ENDIF(WIN32)
+ENDIF(NOT CMAKE_LIBRARY_OUTPUT_DIRECTORY)
+
# 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}\")
- ")
+macro(CREATE_SYMLINK SRC_FILE DEST_FILE)
+ FILE(REMOVE ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/${DEST_FILE})
+ if(WIN32 AND NOT CYGWIN AND NOT MINGW)
+ ADD_CUSTOM_COMMAND(
+ OUTPUT ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/${DEST_FILE} ${CMAKE_CURRENT_BINARY_DIR}/${DEST_FILE}
+ COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_BINARY_DIR}/${SRC_FILE} ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/${DEST_FILE}
+ COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_BINARY_DIR}/${SRC_FILE} ${CMAKE_CURRENT_BINARY_DIR}/${DEST_FILE}
+ DEPENDS ${PNG_LIB_NAME} ${PNG_LIB_NAME_STATIC}
+ )
+ ADD_CUSTOM_TARGET(${DEST_FILE}_COPY ALL DEPENDS ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/${DEST_FILE})
+ else(WIN32 AND NOT CYGWIN AND NOT MINGW)
+ execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink ${SRC_FILE} ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/${DEST_FILE} WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
+ execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink ${SRC_FILE} ${DEST_FILE} WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
+ endif(WIN32 AND NOT CYGWIN AND NOT MINGW)
endmacro()
-# CREATE PKGCONFIG FILES
-# we use the same files like ./configure, so we have to set its vars
+# libpng is a library so default to 'lib'
if(NOT DEFINED CMAKE_INSTALL_LIBDIR)
- set(CMAKE_INSTALL_LIBDIR ${CMAKE_INSTALL_PREFIX}/lib)
+ set(CMAKE_INSTALL_LIBDIR lib)
endif(NOT DEFINED CMAKE_INSTALL_LIBDIR)
+
+# CREATE PKGCONFIG FILES
+# we use the same files like ./configure, so we have to set its vars
+# Only do this on Windows for Cygwin - the files don't make much sense outside
+# a UNIX look alike
+if(NOT WIN32 OR CYGWIN OR MINGW)
set(prefix ${CMAKE_INSTALL_PREFIX})
set(exec_prefix ${CMAKE_INSTALL_PREFIX})
-set(libdir ${CMAKE_INSTALL_LIBDIR})
+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 ${PNGLIB_NAME}.pc libpng.pc)
-install(CODE ${PNG_PC_INSTALL_CODE})
+CREATE_SYMLINK(${PNGLIB_NAME}.pc 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 ${PNGLIB_NAME}-config libpng-config)
-install(CODE ${PNG_CONFIG_INSTALL_CODE})
+CREATE_SYMLINK(${PNGLIB_NAME}-config libpng-config)
+endif(NOT WIN32 OR CYGWIN OR MINGW)
# SET UP LINKS
if(PNG_SHARED)
set_target_properties(${PNG_LIB_NAME} PROPERTIES
-# VERSION 14.${PNGLIB_RELEASE}.1.4.4
- VERSION 14.${PNGLIB_RELEASE}.0
- SOVERSION 14
+# VERSION 15.${PNGLIB_RELEASE}.1.5.7
+ VERSION 15.${PNGLIB_RELEASE}.0
+ SOVERSION 15
CLEAN_DIRECT_OUTPUT 1)
endif()
if(PNG_STATIC)
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
- # Create a symlink for libpng.dll.a => libpng14.dll.a on Cygwin
- if(CYGWIN)
- _png_generate_symlink_code(PNG_SHARED_IMPLIB_INSTALL_CODE
- ${PNGLIB_NAME}${CMAKE_IMPORT_LIBRARY_SUFFIX}
- libpng${CMAKE_IMPORT_LIBRARY_SUFFIX})
- install(CODE ${PNG_SHARED_IMPLIB_INSTALL_CODE})
- install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng${CMAKE_IMPORT_LIBRARY_SUFFIX} DESTINATION ${CMAKE_INSTALL_LIBDIR})
- endif()
+ # Create a symlink for libpng.dll.a => libpng15.dll.a on Cygwin
+ if(CYGWIN OR MINGW)
+ get_target_property(BUILD_TARGET_LOCATION ${PNG_LIB_NAME} LOCATION_${CMAKE_BUILD_TYPE})
+ get_filename_component(BUILD_TARGET_FILE ${BUILD_TARGET_LOCATION} NAME)
+ CREATE_SYMLINK(${BUILD_TARGET_FILE} libpng${CMAKE_IMPORT_LIBRARY_SUFFIX})
+ install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng${CMAKE_IMPORT_LIBRARY_SUFFIX}
+ DESTINATION ${CMAKE_INSTALL_LIBDIR})
+ endif(CYGWIN OR MINGW)
if(NOT WIN32)
- _png_generate_symlink_code(PNG_SHARED_INSTALL_CODE
- ${PNGLIB_NAME}${CMAKE_SHARED_LIBRARY_SUFFIX}
- libpng${CMAKE_SHARED_LIBRARY_SUFFIX})
- install(CODE ${PNG_SHARED_INSTALL_CODE})
- install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng${CMAKE_SHARED_LIBRARY_SUFFIX} DESTINATION ${CMAKE_INSTALL_LIBDIR})
- endif()
- endif()
+ get_target_property(BUILD_TARGET_LOCATION ${PNG_LIB_NAME} LOCATION_${CMAKE_BUILD_TYPE})
+ get_filename_component(BUILD_TARGET_FILE ${BUILD_TARGET_LOCATION} NAME)
+ CREATE_SYMLINK(${BUILD_TARGET_FILE} libpng${CMAKE_SHARED_LIBRARY_SUFFIX})
+ install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng${CMAKE_SHARED_LIBRARY_SUFFIX}
+ DESTINATION ${CMAKE_INSTALL_LIBDIR})
+ endif(NOT WIN32)
+ endif(PNG_SHARED)
if(PNG_STATIC)
install(TARGETS ${PNG_LIB_NAME_STATIC}
${PNG_EXPORT_RULE}
- LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
- ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
- if(NOT WIN32 OR CYGWIN)
- _png_generate_symlink_code(PNG_STATIC_INSTALL_CODE
- ${PNGLIB_NAME}${CMAKE_STATIC_LIBRARY_SUFFIX}
- libpng${CMAKE_STATIC_LIBRARY_SUFFIX})
- install(CODE ${PNG_STATIC_INSTALL_CODE})
- install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng${CMAKE_STATIC_LIBRARY_SUFFIX} DESTINATION ${CMAKE_INSTALL_LIBDIR})
- endif()
- endif()
+ LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+ ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
+ if(NOT WIN32 OR CYGWIN OR MINGW)
+ get_target_property(BUILD_TARGET_LOCATION ${PNG_LIB_NAME_STATIC} LOCATION_${CMAKE_BUILD_TYPE})
+ get_filename_component(BUILD_TARGET_FILE ${BUILD_TARGET_LOCATION} NAME)
+ CREATE_SYMLINK(${BUILD_TARGET_FILE} libpng${CMAKE_STATIC_LIBRARY_SUFFIX})
+ install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng${CMAKE_STATIC_LIBRARY_SUFFIX}
+ DESTINATION ${CMAKE_INSTALL_LIBDIR})
+ endif(NOT WIN32 OR CYGWIN OR MINGW)
+ endif()
endif()
if(NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL )
- install(FILES png.h pngconf.h DESTINATION include)
- install(FILES png.h pngconf.h DESTINATION include/${PNGLIB_NAME})
+ install(FILES ${libpng_public_hdrs} DESTINATION include)
+ install(FILES ${libpng_public_hdrs} DESTINATION include/${PNGLIB_NAME})
endif()
if(NOT SKIP_INSTALL_EXECUTABLES AND NOT SKIP_INSTALL_ALL )
install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/libpng-config DESTINATION bin)
install(EXPORT libpng DESTINATION lib/libpng FILE lib${PNG_LIB_NAME}.cmake)
endif()
-# what's with libpng.txt and all the extra files?
-
+# what's with libpng-$VER%.txt and all the extra files?
# UNINSTALL
# do we need this?
-
# DIST
# do we need this?
projects / wxWidgets.git / blobdiff