diff options
Diffstat (limited to 'src/3rdparty/libpng/CMakeLists.txt')
| -rw-r--r-- | src/3rdparty/libpng/CMakeLists.txt | 369 |
1 files changed, 253 insertions, 116 deletions
diff --git a/src/3rdparty/libpng/CMakeLists.txt b/src/3rdparty/libpng/CMakeLists.txt index a95e0ec..cc15850 100644 --- a/src/3rdparty/libpng/CMakeLists.txt +++ b/src/3rdparty/libpng/CMakeLists.txt @@ -1,43 +1,58 @@ -cmake_minimum_required(VERSION 2.4.3) +cmake_minimum_required(VERSION 2.4.4) +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.") + 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(PNG C) +project(libpng C) enable_testing() -# Copyright (C) 2007-2010 Glenn Randers-Pehrson +# 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 4) -set(PNGLIB_RELEASE 0) +set(PNGLIB_MINOR 5) +set(PNGLIB_RELEASE 4) set(PNGLIB_NAME libpng${PNGLIB_MAJOR}${PNGLIB_MINOR}) set(PNGLIB_VERSION ${PNGLIB_MAJOR}.${PNGLIB_MINOR}.${PNGLIB_RELEASE}) -set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS true) - # needed packages find_package(ZLIB REQUIRED) include_directories(${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() + 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 "") + # not needed on windows + set(M_LIBRARY "") endif() # COMMAND LINE OPTIONS @@ -54,9 +69,9 @@ endif() if(MINGW) option(PNG_TESTS "Build pngtest" NO) -else(MINGW) +else() option(PNG_TESTS "Build pngtest" YES) -endif(MINGW) +endif() option(PNG_NO_CONSOLE_IO "FIXME" YES) option(PNG_NO_STDIO "FIXME" YES) @@ -68,21 +83,22 @@ option(PNGARG "FIXME" YES) # 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(${uname_executable} ARGS --machine OUTPUT_VARIABLE uname_output) - if("uname_output" MATCHES "^.*i[1-9]86.*$") + 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.*$") + else("uname_output" MATCHES "^.*i[1-9]86.*$") set(png_asm_tmp "OFF") - endif("uname_output" MATCHES "^.*i[1-9]86.*$") - endif(uname_executable) + endif("uname_output" MATCHES "^.*i[1-9]86.*$") + 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 "") + # 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 @@ -91,30 +107,41 @@ 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 - png.h - pngconf.h - pngpriv.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 + ${libpng_public_hdrs} + pngdebug.h + pnginfo.h + pngpriv.h + pngstruct.h + png.c + pngerror.c + pngget.c + pngmem.c + pngpread.c + pngread.c + pngrio.c + pngrtran.c + pngrutil.c + pngset.c + pngtrans.c + pngwio.c + pngwrite.c + pngwtran.c + pngwutil.c ) set(pngtest_sources - pngtest.c + pngtest.c ) # SOME NEEDED DEFINITIONS @@ -125,131 +152,241 @@ if(MSVC) endif(MSVC) if(PNG_SHARED OR NOT MSVC) - #if building msvc static this has NOT to be defined - add_definitions(-DZLIB_DLL) + #if building msvc static this has NOT to be defined + add_definitions(-DZLIB_DLL) endif() + if(PNG_CONSOLE_IO_SUPPORTED) - add_definitions(-DPNG_CONSOLE_IO_SUPPORTED) + add_definitions(-DPNG_CONSOLE_IO_SUPPORTED) endif() if(PNG_NO_CONSOLE_IO) - add_definitions(-DPNG_NO_CONSOLE_IO) + add_definitions(-DPNG_NO_CONSOLE_IO) endif() if(PNG_NO_STDIO) - add_definitions(-DPNG_NO_STDIO) + add_definitions(-DPNG_NO_STDIO) endif() if(PNG_DEBUG) - add_definitions(-DPNG_DEBUG) + add_definitions(-DPNG_DEBUG) endif() if(NOT M_LIBRARY AND NOT WIN32) - add_definitions(-DPNG_NO_FLOATING_POINT_SUPPORTED) + add_definitions(-DPNG_NO_FLOATING_POINT_SUPPORTED) endif() # NOW BUILD OUR TARGET -include_directories(${PNG_SOURCE_DIR} ${ZLIB_INCLUDE_DIR}) +include_directories(${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} ${M_LIBRARY}) + add_library(${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_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() + 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_LIBRARY} ${M_LIBRARY}) endif() if(PNG_SHARED AND WIN32) - set_target_properties(${PNG_LIB_NAME} PROPERTIES DEFINE_SYMBOL PNG_BUILD_DLL) + 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 ${PNG_SOURCE_DIR}/pngtest.png) + # 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}/lib) +set(libdir ${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}) set(includedir ${CMAKE_INSTALL_PREFIX}/include) - -configure_file(${PNG_SOURCE_DIR}/libpng.pc.in - ${PNG_BINARY_DIR}/libpng.pc) -configure_file(${PNG_SOURCE_DIR}/libpng-config.in - ${PNG_BINARY_DIR}/libpng-config) -configure_file(${PNG_SOURCE_DIR}/libpng.pc.in - ${PNG_BINARY_DIR}/${PNGLIB_NAME}.pc) -configure_file(${PNG_SOURCE_DIR}/libpng-config.in - ${PNG_BINARY_DIR}/${PNGLIB_NAME}-config) +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) +install(CODE ${PNG_PC_INSTALL_CODE}) + +configure_file(${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) +install(CODE ${PNG_CONFIG_INSTALL_CODE}) # SET UP LINKS if(PNG_SHARED) set_target_properties(${PNG_LIB_NAME} PROPERTIES -# VERSION 14.${PNGLIB_RELEASE}.1.4.0 - VERSION 14.${PNGLIB_RELEASE}.0 - SOVERSION 14 - CLEAN_DIRECT_OUTPUT 1) +# VERSION 15.${PNGLIB_RELEASE}.1.5.4 + VERSION 15.${PNGLIB_RELEASE}.0 + SOVERSION 15 + CLEAN_DIRECT_OUTPUT 1) endif() if(PNG_STATIC) - if(NOT WIN32) - # that's uncool on win32 - it overwrites our static import lib... + # 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) + 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() + # 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) + if(PNG_SHARED) + install(TARGETS ${PNG_LIB_NAME} + ${PNG_EXPORT_RULE} + RUNTIME DESTINATION bin + LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} + ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}) + + # Create a symlink for libpng.dll.a => libpng15.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() + + if(NOT WIN32) + IF(CMAKE_LIBRARY_OUTPUT_DIRECTORY) + _png_generate_symlink_code(PNG_SHARED_INSTALL_CODE + ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/${PNGLIB_NAME}${CMAKE_SHARED_LIBRARY_SUFFIX} + ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/libpng${CMAKE_SHARED_LIBRARY_SUFFIX}) + install(CODE ${PNG_SHARED_INSTALL_CODE}) + install(FILES + ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/libpng${CMAKE_SHARED_LIBRARY_SUFFIX} + DESTINATION ${CMAKE_INSTALL_LIBDIR}) + ELSE(CMAKE_LIBRARY_OUTPUT_DIRECTORY) + _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(CMAKE_LIBRARY_OUTPUT_DIRECTORY) endif() - if(PNG_STATIC) - install(TARGETS ${PNG_LIB_NAME_STATIC} - LIBRARY DESTINATION lib - ARCHIVE DESTINATION lib) + endif() + + if(PNG_STATIC) + install(TARGETS ${PNG_LIB_NAME_STATIC} + ${PNG_EXPORT_RULE} + LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} + ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}) + if(NOT WIN32 OR CYGWIN) + IF(CMAKE_ARCHIVE_OUTPUT_DIRECTORY) + _png_generate_symlink_code(PNG_STATIC_INSTALL_CODE +${CMAKE_ARCHIVE_OUTPUT_DIRECTORY}/${PNGLIB_NAME}${CMAKE_STATIC_LIBRARY_SUFFIX} + ${CMAKE_ARCHIVE_OUTPUT_DIRECTORY}/libpng${CMAKE_STATIC_LIBRARY_SUFFIX}) + install(CODE ${PNG_STATIC_INSTALL_CODE}) + install(FILES + ${CMAKE_ARCHIVE_OUTPUT_DIRECTORY}/libpng${CMAKE_STATIC_LIBRARY_SUFFIX} + DESTINATION ${CMAKE_INSTALL_LIBDIR}) + ELSE(CMAKE_ARCHIVE_OUTPUT_DIRECTORY) + _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 ${CMAKE_INSTALL_LIBDIR}) + ENDIF(CMAKE_ARCHIVE_OUTPUT_DIRECTORY) endif() + endif() endif() if(NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL ) - install(FILES png.h pngconf.h pngpriv.h DESTINATION include) - install(FILES png.h pngconf.h pngpriv.h DESTINATION include/${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 ${PNG_BINARY_DIR}/libpng-config DESTINATION bin) - install(PROGRAMS ${PNG_BINARY_DIR}/${PNGLIB_NAME}-config DESTINATION bin) + 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(FILES libpng.3 libpngpf.3 DESTINATION man/man3) - install(FILES png.5 DESTINATION man/man5) - install(FILES ${PNG_BINARY_DIR}/libpng.pc DESTINATION lib/pkgconfig) - install(FILES ${PNG_BINARY_DIR}/libpng-config DESTINATION bin) - install(FILES ${PNG_BINARY_DIR}/${PNGLIB_NAME}.pc DESTINATION lib/pkgconfig) - install(FILES ${PNG_BINARY_DIR}/${PNGLIB_NAME}-config DESTINATION bin) + # Install man pages + if(NOT PNG_MAN_DIR) + set(PNG_MAN_DIR "share/man") + endif() + install(FILES libpng.3 libpngpf.3 DESTINATION ${PNG_MAN_DIR}/man3) + install(FILES png.5 DESTINATION ${PNG_MAN_DIR}/man5) + # Install pkg-config files + install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng.pc + DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig) + install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/libpng-config + DESTINATION bin) + install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}.pc + DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig) + install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}-config + DESTINATION bin) +endif() + +# On versions of CMake that support it, create an export file CMake +# users can include() to import our targets +if(PNG_EXPORT_RULE AND NOT SKIP_INSTALL_EXPORT AND NOT SKIP_INSTALL_ALL ) + 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 |