diff options
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 241 |
1 files changed, 191 insertions, 50 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index eb63b2bfe..48c6fa287 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -1,17 +1,18 @@ # CMakeLists.txt -# Copyright (C) 2007,2009-2016 Glenn Randers-Pehrson +# Copyright (C) 2007,2009-2017 Glenn Randers-Pehrson # Written by Christian Ehrlicher, 2007 # Revised by Roger Lowman, 2009-2010 # Revised by Clifford Yapp, 2011-2012 # Revised by Roger Leigh, 2016 +# Revised by Andreas Franek, 2016 # 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 2.8.3) -cmake_policy(VERSION 2.8.3) +cmake_minimum_required(VERSION 3.0.2) +cmake_policy(VERSION 3.0.2) # Set MacOSX @rpath usage globally. if (POLICY CMP0020) @@ -30,18 +31,27 @@ endif(POLICY CMP0054) set(CMAKE_CONFIGURATION_TYPES "Release;Debug;MinSizeRel;RelWithDebInfo") -project(libpng C) +project(libpng ASM C) enable_testing() set(PNGLIB_MAJOR 1) set(PNGLIB_MINOR 6) -set(PNGLIB_RELEASE 25) +set(PNGLIB_RELEASE 34) set(PNGLIB_NAME libpng${PNGLIB_MAJOR}${PNGLIB_MINOR}) set(PNGLIB_VERSION ${PNGLIB_MAJOR}.${PNGLIB_MINOR}.${PNGLIB_RELEASE}) +include(GNUInstallDirs) + # needed packages -find_package(ZLIB REQUIRED) -include_directories(${ZLIB_INCLUDE_DIR}) + +#Allow users to specify location of Zlib, +# Useful if zlib is being built alongside this as a sub-project +option(PNG_BUILD_ZLIB "Custom zlib Location, else find_package is used" OFF) + +IF(NOT PNG_BUILD_ZLIB) + find_package(ZLIB REQUIRED) + include_directories(${ZLIB_INCLUDE_DIR}) +ENDIF(NOT PNG_BUILD_ZLIB) if(NOT WIN32) find_library(M_LIBRARY @@ -66,9 +76,116 @@ option(PNG_FRAMEWORK "Build OS X framework" OFF) option(PNG_DEBUG "Build with debug output" OFF) option(PNGARG "Disable ANSI-C prototypes" OFF) +option(PNG_HARDWARE_OPTIMIZATIONS "Enable Hardware Optimizations" ON) + + set(PNG_PREFIX "" CACHE STRING "Prefix to add to the API function names") set(DFA_XTRA "" CACHE FILEPATH "File containing extra configuration settings") +if(PNG_HARDWARE_OPTIMIZATIONS) +# set definitions and sources for arm +if(CMAKE_SYSTEM_PROCESSOR MATCHES "^arm" OR + CMAKE_SYSTEM_PROCESSOR MATCHES "^aarch64") + set(PNG_ARM_NEON_POSSIBLE_VALUES check on off) + set(PNG_ARM_NEON "check" CACHE STRING "Enable ARM NEON optimizations: + check: (default) use internal checking code; + off: disable the optimizations; + on: turn on unconditionally.") + set_property(CACHE PNG_ARM_NEON PROPERTY STRINGS + ${PNG_ARM_NEON_POSSIBLE_VALUES}) + list(FIND PNG_ARM_NEON_POSSIBLE_VALUES ${PNG_ARM_NEON} index) + if(index EQUAL -1) + message(FATAL_ERROR + " PNG_ARM_NEON must be one of [${PNG_ARM_NEON_POSSIBLE_VALUES}]") + elseif(NOT ${PNG_ARM_NEON} STREQUAL "no") + set(libpng_arm_sources + arm/arm_init.c + arm/filter_neon.S + arm/filter_neon_intrinsics.c) + + if(${PNG_ARM_NEON} STREQUAL "on") + add_definitions(-DPNG_ARM_NEON_OPT=2) + elseif(${PNG_ARM_NEON} STREQUAL "check") + add_definitions(-DPNG_ARM_NEON_CHECK_SUPPORTED) + endif() + else() + add_definitions(-DPNG_ARM_NEON_OPT=0) + endif() +endif() + +# set definitions and sources for powerpc +if(CMAKE_SYSTEM_PROCESSOR MATCHES "^powerpc*" OR + CMAKE_SYSTEM_PROCESSOR MATCHES "^ppc64*" ) + set(PNG_POWERPC_VSX_POSSIBLE_VALUES on off) + set(PNG_POWERPC_VSX "on" CACHE STRING "Enable POWERPC VSX optimizations: + off: disable the optimizations.") + set_property(CACHE PNG_POWERPC_VSX PROPERTY STRINGS + ${PNG_POWERPC_VSX_POSSIBLE_VALUES}) + list(FIND PNG_POWERPC_VSX_POSSIBLE_VALUES ${PNG_POWERPC_VSX} index) + if(index EQUAL -1) + message(FATAL_ERROR + " PNG_POWERPC_VSX must be one of [${PNG_POWERPC_VSX_POSSIBLE_VALUES}]") + elseif(NOT ${PNG_POWERPC_VSX} STREQUAL "no") + set(libpng_powerpc_sources + powerpc/powerpc_init.c + powerpc/filter_vsx_intrinsics.c) + if(${PNG_POWERPC_VSX} STREQUAL "on") + add_definitions(-DPNG_POWERPC_VSX_OPT=2) + endif() + else() + add_definitions(-DPNG_POWERPC_VSX_OPT=0) + endif() +endif() + +# set definitions and sources for intel +if(CMAKE_SYSTEM_PROCESSOR MATCHES "^i?86" OR + CMAKE_SYSTEM_PROCESSOR MATCHES "^x86_64*" ) + set(PNG_INTEL_SSE_POSSIBLE_VALUES on off) + set(PNG_INTEL_SSE "on" CACHE STRING "Enable INTEL_SSE optimizations: + off: disable the optimizations") + set_property(CACHE PNG_INTEL_SSE PROPERTY STRINGS + ${PNG_INTEL_SSE_POSSIBLE_VALUES}) + list(FIND PNG_INTEL_SSE_POSSIBLE_VALUES ${PNG_INTEL_SSE} index) + if(index EQUAL -1) + message(FATAL_ERROR + " PNG_INTEL_SSE must be one of [${PNG_INTEL_SSE_POSSIBLE_VALUES}]") + elseif(NOT ${PNG_INTEL_SSE} STREQUAL "no") + set(libpng_intel_sources + intel/intel_init.c + intel/filter_sse2_intrinsics.c) + if(${PNG_INTEL_SSE} STREQUAL "on") + add_definitions(-DPNG_INTEL_SSE_OPT=1) + endif() + else() + add_definitions(-DPNG_INTEL_SSE_OPT=0) + endif() +endif() + +# set definitions and sources for MIPS +if(CMAKE_SYSTEM_PROCESSOR MATCHES "mipsel*" OR + CMAKE_SYSTEM_PROCESSOR MATCHES "mips64el*" ) + set(PNG_MIPS_MSA_POSSIBLE_VALUES on off) + set(PNG_MIPS_MSA "on" CACHE STRING "Enable MIPS_MSA optimizations: + off: disable the optimizations") + set_property(CACHE PNG_MIPS_MSA PROPERTY STRINGS + ${PNG_MIPS_MSA_POSSIBLE_VALUES}) + list(FIND PNG_MIPS_MSA_POSSIBLE_VALUES ${PNG_MIPS_MSA} index) + if(index EQUAL -1) + message(FATAL_ERROR + " PNG_MIPS_MSA must be one of [${PNG_MIPS_MSA_POSSIBLE_VALUES}]") + elseif(NOT ${PNG_MIPS_MSA} STREQUAL "no") + set(libpng_mips_sources + mips/mips_init.c + mips/filter_msa_intrinsics.c) + if(${PNG_MIPS_MSA} STREQUAL "on") + add_definitions(-DPNG_MIPS_MSA_OPT=2) + endif() + else() + add_definitions(-DPNG_MIPS_MSA_OPT=0) + endif() +endif() +endif(PNG_HARDWARE_OPTIMIZATIONS) + # SET LIBNAME set(PNG_LIB_NAME png${PNGLIB_MAJOR}${PNGLIB_MINOR}) @@ -145,7 +262,7 @@ find_program(AWK NAMES gawk awk) include_directories(${CMAKE_CURRENT_BINARY_DIR}) -if(NOT AWK) +if(NOT AWK OR ANDROID) # No awk available to generate sources; use pre-built pnglibconf.h configure_file(${CMAKE_CURRENT_SOURCE_DIR}/scripts/pnglibconf.h.prebuilt ${CMAKE_CURRENT_BINARY_DIR}/pnglibconf.h) @@ -324,7 +441,7 @@ else() "${CMAKE_CURRENT_BINARY_DIR}/scripts/symbols.chk" "${CMAKE_CURRENT_BINARY_DIR}/scripts/symbols.out" "${CMAKE_CURRENT_BINARY_DIR}/scripts/vers.out") -endif(NOT AWK) +endif(NOT AWK OR ANDROID) # OUR SOURCES set(libpng_public_hdrs @@ -338,7 +455,7 @@ set(libpng_private_hdrs pnginfo.h pngstruct.h ) -if(AWK) +if(AWK AND NOT ANDROID) list(APPEND libpng_private_hdrs "${CMAKE_CURRENT_BINARY_DIR}/pngprefix.h") endif() set(libpng_sources @@ -359,6 +476,10 @@ set(libpng_sources pngwrite.c pngwtran.c pngwutil.c + ${libpng_arm_sources} + ${libpng_intel_sources} + ${libpng_mips_sources} + ${libpng_powerpc_sources} ) set(pngtest_sources pngtest.c @@ -634,31 +755,58 @@ if(PNG_SHARED) list(APPEND PNG_BIN_TARGETS png-fix-itxt) endif() -# Ensure the CMAKE_LIBRARY_OUTPUT_DIRECTORY is set -IF(NOT CMAKE_LIBRARY_OUTPUT_DIRECTORY) - SET(CMAKE_LIBRARY_OUTPUT_DIRECTORY "lib") -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(CREATE_SYMLINK SRC_FILE DEST_FILE) - FILE(REMOVE ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/${DEST_FILE}) - if(WIN32 AND NOT CYGWIN AND NOT MSYS) - ADD_CUSTOM_COMMAND( - OUTPUT ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/${DEST_FILE} ${CMAKE_CURRENT_BINARY_DIR}/${DEST_FILE} - COMMAND ${CMAKE_COMMAND} -E copy_if_different "${SRC_FILE}" ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/${DEST_FILE} - COMMAND ${CMAKE_COMMAND} -E copy_if_different "${SRC_FILE}" ${CMAKE_CURRENT_BINARY_DIR}/${DEST_FILE} - DEPENDS ${PNG_LIB_TARGETS} - ) - ADD_CUSTOM_TARGET(${DEST_FILE}_COPY ALL DEPENDS ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/${DEST_FILE}) - else(WIN32 AND NOT CYGWIN AND NOT MSYS) - get_filename_component(LINK_TARGET "${SRC_FILE}" NAME) - execute_process(COMMAND ${CMAKE_COMMAND} -E make_directory ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_LIBRARY_OUTPUT_DIRECTORY}) - execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink "${LINK_TARGET}" ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/${DEST_FILE} WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}) - execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink "${LINK_TARGET}" ${DEST_FILE} WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}) - endif(WIN32 AND NOT CYGWIN AND NOT MSYS) -endmacro() +include(CMakeParseArguments) + +function(CREATE_SYMLINK DEST_FILE) + + cmake_parse_arguments(S "" "FILE;TARGET" "" ${ARGN}) + + if(NOT S_TARGET AND NOT S_FILE) + message(FATAL_ERROR "Specify either a TARGET or a FILE for CREATE_SYMLINK to link to.") + endif(NOT S_TARGET AND NOT S_FILE) + + if(S_TARGET AND S_FILE) + message(FATAL_ERROR "CREATE_SYMLINK called with both source file ${S_FILE} and build target ${S_TARGET} arguments - can only handle 1 type per call.") + endif(S_TARGET AND S_FILE) + + if(S_FILE) + # If we don't need to symlink something that's coming from a build target, + # we can go ahead and symlink/copy at configure time. + + if(CMAKE_HOST_WIN32 AND NOT CYGWIN AND NOT MSYS) + execute_process( + COMMAND "${CMAKE_COMMAND}" -E copy_if_different ${S_FILE} ${DEST_FILE} + WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}" + ) + else(CMAKE_HOST_WIN32 AND NOT CYGWIN AND NOT MSYS) + execute_process( + COMMAND ${CMAKE_COMMAND} -E create_symlink ${S_FILE} ${DEST_FILE} + WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}" + ) + endif(CMAKE_HOST_WIN32 AND NOT CYGWIN AND NOT MSYS) + endif(S_FILE) + + if(S_TARGET) + # We need to use generator expressions, which can be a bit tricky, so for + # simplicity make the symlink a POST_BUILD step and use the TARGET + # signature of add_custom_command. + + if(CMAKE_HOST_WIN32 AND NOT CYGWIN AND NOT MSYS) + add_custom_command(TARGET ${S_TARGET} POST_BUILD + COMMAND "${CMAKE_COMMAND}" -E copy_if_different $<TARGET_LINKER_FILE_NAME:${S_TARGET}> $<TARGET_LINKER_FILE_DIR:${S_TARGET}>/${DEST_FILE} + ) + else(CMAKE_HOST_WIN32 AND NOT CYGWIN AND NOT MSYS) + add_custom_command(TARGET ${S_TARGET} POST_BUILD + COMMAND "${CMAKE_COMMAND}" -E create_symlink $<TARGET_LINKER_FILE_NAME:${S_TARGET}> $<TARGET_LINKER_FILE_DIR:${S_TARGET}>/${DEST_FILE} + ) + endif(CMAKE_HOST_WIN32 AND NOT CYGWIN AND NOT MSYS) + + endif(S_TARGET) + +endfunction() # Create source generation scripts. configure_file(${CMAKE_CURRENT_SOURCE_DIR}/scripts/genchk.cmake.in @@ -686,17 +834,17 @@ if(NOT WIN32 OR CYGWIN OR MINGW) set(LIBS "-lz -lm") configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libpng.pc.in ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}.pc @ONLY) - CREATE_SYMLINK(${PNGLIB_NAME}.pc libpng.pc) + CREATE_SYMLINK(libpng.pc FILE ${PNGLIB_NAME}.pc) configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libpng-config.in ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}-config @ONLY) - CREATE_SYMLINK(${PNGLIB_NAME}-config libpng-config) + CREATE_SYMLINK(libpng-config FILE ${PNGLIB_NAME}-config) endif(NOT WIN32 OR CYGWIN OR MINGW) # SET UP LINKS if(PNG_SHARED) set_target_properties(png PROPERTIES -# VERSION 16.${PNGLIB_RELEASE}.1.6.25 +# VERSION 16.${PNGLIB_RELEASE}.1.6.34 VERSION 16.${PNGLIB_RELEASE}.0 SOVERSION 16 CLEAN_DIRECT_OUTPUT 1) @@ -723,26 +871,20 @@ if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL ) if(PNG_SHARED) # Create a symlink for libpng.dll.a => libpng16.dll.a on Cygwin if(CYGWIN OR MINGW) - get_target_property(BUILD_TARGET_LOCATION png LOCATION_${CMAKE_BUILD_TYPE}) - CREATE_SYMLINK(${BUILD_TARGET_LOCATION} libpng${CMAKE_IMPORT_LIBRARY_SUFFIX}) - install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng${CMAKE_IMPORT_LIBRARY_SUFFIX} - DESTINATION ${CMAKE_INSTALL_LIBDIR}) + CREATE_SYMLINK(libpng${CMAKE_IMPORT_LIBRARY_SUFFIX} TARGET png) + install(FILES $<TARGET_LINKER_FILE_DIR:png>/libpng${CMAKE_IMPORT_LIBRARY_SUFFIX} DESTINATION ${CMAKE_INSTALL_LIBDIR}) endif(CYGWIN OR MINGW) if(NOT WIN32) - get_target_property(BUILD_TARGET_LOCATION png LOCATION_${CMAKE_BUILD_TYPE}) - CREATE_SYMLINK(${BUILD_TARGET_LOCATION} libpng${CMAKE_SHARED_LIBRARY_SUFFIX}) - install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng${CMAKE_SHARED_LIBRARY_SUFFIX} - DESTINATION ${CMAKE_INSTALL_LIBDIR}) + CREATE_SYMLINK(libpng${CMAKE_SHARED_LIBRARY_SUFFIX} TARGET png) + install(FILES $<TARGET_LINKER_FILE_DIR:png>/libpng${CMAKE_SHARED_LIBRARY_SUFFIX} DESTINATION ${CMAKE_INSTALL_LIBDIR}) endif(NOT WIN32) endif(PNG_SHARED) if(PNG_STATIC) if(NOT WIN32 OR CYGWIN OR MINGW) - get_target_property(BUILD_TARGET_LOCATION png_static LOCATION_${CMAKE_BUILD_TYPE}) - CREATE_SYMLINK(${BUILD_TARGET_LOCATION} libpng${CMAKE_STATIC_LIBRARY_SUFFIX}) - install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng${CMAKE_STATIC_LIBRARY_SUFFIX} - DESTINATION ${CMAKE_INSTALL_LIBDIR}) + CREATE_SYMLINK( libpng${CMAKE_STATIC_LIBRARY_SUFFIX} TARGET png_static) + install(FILES $<TARGET_LINKER_FILE_DIR:png_static>/libpng${CMAKE_STATIC_LIBRARY_SUFFIX} DESTINATION ${CMAKE_INSTALL_LIBDIR}) endif(NOT WIN32 OR CYGWIN OR MINGW) endif() endif() @@ -772,7 +914,7 @@ if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL ) install(FILES libpng.3 libpngpf.3 DESTINATION ${PNG_MAN_DIR}/man3) install(FILES png.5 DESTINATION ${PNG_MAN_DIR}/man5) # Install pkg-config files - if(NOT WIN32 OR CYGWIN OR MINGW) + if(NOT CMAKE_HOST_WIN32 OR CYGWIN OR MINGW) install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig) install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/libpng-config @@ -781,7 +923,7 @@ if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL ) DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig) install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}-config DESTINATION bin) - endif(NOT WIN32 OR CYGWIN OR MINGW) + endif(NOT CMAKE_HOST_WIN32 OR CYGWIN OR MINGW) endif() # On versions of CMake that support it, create an export file CMake @@ -801,4 +943,3 @@ endif() # to create msvc import lib for mingw compiled shared lib # pexports libpng.dll > libpng.def # lib /def:libpng.def /machine:x86 - |