l4/pkg/libpng/lib/contrib/CMakeLists.txt

   1 # CMakeLists.txt
   2
   3 # Copyright (C) 2007-2015 Glenn Randers-Pehrson
   4
   5 # This code is released under the libpng license.
   6 # For conditions of distribution and use, see the disclaimer
   7 # and license in png.h
   8
   9 cmake_minimum_required(VERSION 2.4.4)
  10 set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS true)
  11
  12 set(CMAKE_CONFIGURATION_TYPES "Release;Debug;MinSizeRel;RelWithDebInfo")
  13
  14 project(libpng C)
  15 enable_testing()
  16
  17 set(PNGLIB_MAJOR 1)
  18 set(PNGLIB_MINOR 6)
  19 set(PNGLIB_RELEASE 19)
  20 set(PNGLIB_NAME libpng${PNGLIB_MAJOR}${PNGLIB_MINOR})
  21 set(PNGLIB_VERSION ${PNGLIB_MAJOR}.${PNGLIB_MINOR}.${PNGLIB_RELEASE})
  22
  23 # needed packages
  24 find_package(ZLIB REQUIRED)
  25 include_directories(${ZLIB_INCLUDE_DIR})
  26
  27 if(NOT WIN32)
  28   find_library(M_LIBRARY
  29     NAMES m
  30     PATHS /usr/lib /usr/local/lib
  31   )
  32   if(NOT M_LIBRARY)
  33     message(STATUS "math lib 'libm' not found; floating point support disabled")
  34   endif()
  35 else()
  36   # not needed on windows
  37   set(M_LIBRARY "")
  38 endif()
  39
  40 # COMMAND LINE OPTIONS
  41 option(PNG_SHARED "Build shared lib" ON)
  42 option(PNG_STATIC "Build static lib" ON)
  43 option(PNG_TESTS  "Build libpng tests" ON)
  44
  45 # Many more configuration options could be added here
  46 option(PNG_FRAMEWORK "Build OS X framework" OFF)
  47 option(PNG_DEBUG     "Build with debug output" OFF)
  48 option(PNGARG        "Disable ANSI-C prototypes" OFF)
  49
  50 # SET LIBNAME
  51 set(PNG_LIB_NAME png${PNGLIB_MAJOR}${PNGLIB_MINOR})
  52
  53 # to distinguish between debug and release lib
  54 set(CMAKE_DEBUG_POSTFIX "d")
  55
  56 # Use the prebuilt pnglibconf.h file from the scripts folder
  57 # TODO: fix this by building with awk; without this no cmake build can be
  58 # configured directly (to do so indirectly use your local awk to build a
  59 # pnglibconf.h in the build directory.)
  60 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/scripts/pnglibconf.h.prebuilt
  61                ${CMAKE_CURRENT_BINARY_DIR}/pnglibconf.h)
  62 include_directories(${CMAKE_CURRENT_BINARY_DIR})
  63
  64 # OUR SOURCES
  65 set(libpng_public_hdrs
  66   png.h
  67   pngconf.h
  68   ${CMAKE_CURRENT_BINARY_DIR}/pnglibconf.h
  69 )
  70 set(libpng_sources
  71   ${libpng_public_hdrs}
  72   pngdebug.h
  73   pnginfo.h
  74   pngpriv.h
  75   pngstruct.h
  76   png.c
  77   pngerror.c
  78   pngget.c
  79   pngmem.c
  80   pngpread.c
  81   pngread.c
  82   pngrio.c
  83   pngrtran.c
  84   pngrutil.c
  85   pngset.c
  86   pngtrans.c
  87   pngwio.c
  88   pngwrite.c
  89   pngwtran.c
  90   pngwutil.c
  91 )
  92 set(pngtest_sources
  93   pngtest.c
  94 )
  95 set(pngvalid_sources
  96   contrib/libtests/pngvalid.c
  97 )
  98 set(pngstest_sources
  99   contrib/libtests/pngstest.c
 100 )
 101 # SOME NEEDED DEFINITIONS
 102
 103 if(MSVC)
 104   add_definitions(-D_CRT_SECURE_NO_DEPRECATE)
 105 endif(MSVC)
 106
 107 if(PNG_DEBUG)
 108   add_definitions(-DPNG_DEBUG)
 109 endif()
 110
 111 # NOW BUILD OUR TARGET
 112 include_directories(${CMAKE_CURRENT_SOURCE_DIR} ${ZLIB_INCLUDE_DIR})
 113
 114 unset(PNG_LIB_TARGETS)
 115
 116 if(PNG_SHARED)
 117   add_library(${PNG_LIB_NAME} SHARED ${libpng_sources})
 118   set(PNG_LIB_TARGETS ${PNG_LIB_NAME})
 119   if(MSVC)
 120     # msvc does not append 'lib' - do it here to have consistent name
 121     set_target_properties(${PNG_LIB_NAME} PROPERTIES PREFIX "lib")
 122     set_target_properties(${PNG_LIB_NAME} PROPERTIES IMPORT_PREFIX "lib")
 123   endif()
 124   target_link_libraries(${PNG_LIB_NAME} ${ZLIB_LIBRARY} ${M_LIBRARY})
 125 endif()
 126
 127 if(PNG_STATIC)
 128   # does not work without changing name
 129   set(PNG_LIB_NAME_STATIC ${PNG_LIB_NAME}_static)
 130   add_library(${PNG_LIB_NAME_STATIC} STATIC ${libpng_sources})
 131   list(APPEND PNG_LIB_TARGETS ${PNG_LIB_NAME_STATIC})
 132   if(MSVC)
 133     # msvc does not append 'lib' - do it here to have consistent name
 134     set_target_properties(${PNG_LIB_NAME_STATIC} PROPERTIES PREFIX "lib")
 135   endif()
 136   target_link_libraries(${PNG_LIB_NAME_STATIC} ${ZLIB_LIBRARY} ${M_LIBRARY})
 137 endif()
 138
 139 if(PNG_FRAMEWORK)
 140   set(PNG_LIB_NAME_FRAMEWORK ${PNG_LIB_NAME}_framework)
 141   add_library(${PNG_LIB_NAME_FRAMEWORK} SHARED ${libpng_sources})
 142   list(APPEND PNG_LIB_TARGETS ${PNG_LIB_NAME_FRAMEWORK})
 143   set_target_properties(${PNG_LIB_NAME_FRAMEWORK} PROPERTIES
 144     FRAMEWORK TRUE
 145     FRAMEWORK_VERSION ${PNGLIB_VERSION}
 146     MACOSX_FRAMEWORK_SHORT_VERSION_STRING ${PNGLIB_MAJOR}.${PNGLIB_MINOR}
 147     MACOSX_FRAMEWORK_BUNDLE_VERSION ${PNGLIB_VERSION}
 148     MACOSX_FRAMEWORK_IDENTIFIER org.libpng.libpng
 149     XCODE_ATTRIBUTE_INSTALL_PATH "@rpath"
 150     PUBLIC_HEADER "${libpng_public_hdrs}"
 151     OUTPUT_NAME png)
 152   target_link_libraries(${PNG_LIB_NAME_FRAMEWORK} ${ZLIB_LIBRARY} ${M_LIBRARY})
 153 endif()
 154
 155 if(NOT PNG_LIB_TARGETS)
 156   message(SEND_ERROR
 157     "No library variant selected to build. "
 158     "Please enable at least one of the following options: "
 159     " PNG_STATIC, PNG_SHARED, PNG_FRAMEWORK")
 160 endif()
 161
 162 if(PNG_SHARED AND WIN32)
 163   set_target_properties(${PNG_LIB_NAME} PROPERTIES DEFINE_SYMBOL PNG_BUILD_DLL)
 164 endif()
 165
 166 if(PNG_TESTS AND PNG_SHARED)
 167   # does not work with msvc due to png_lib_ver issue
 168   add_executable(pngtest ${pngtest_sources})
 169   target_link_libraries(pngtest ${PNG_LIB_NAME})
 170   add_test(pngtest ./pngtest ${CMAKE_CURRENT_SOURCE_DIR}/pngtest.png)
 171   #
 172   add_executable(pngvalid ${pngvalid_sources})
 173   target_link_libraries(pngvalid ${PNG_LIB_NAME})
 174   add_test(pngvalid ./pngvalid)
 175   add_executable(pngstest ${pngstest_sources})
 176   target_link_libraries(pngstest ${PNG_LIB_NAME})
 177   add_test(pngstest ./pngstest
 178     ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/basn0g01.png
 179     ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/basn0g02.png
 180     ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/basn0g04.png
 181     ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/basn0g08.png
 182     ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/basn0g16.png
 183     ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/basn2c08.png
 184     ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/basn2c16.png
 185     ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/basn3p01.png
 186     ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/basn3p02.png
 187     ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/basn3p04.png
 188     ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/basn3p08.png
 189     ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/basn4a08.png
 190     ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/basn4a16.png
 191     ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/basn6a08.png
 192     ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/basn6a16.png
 193     ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftbbn0g01.png
 194     ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftbbn0g02.png
 195     ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftbbn0g04.png
 196     ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftbbn2c16.png
 197     ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftbbn3p08.png
 198     ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftbgn2c16.png
 199     ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftbgn3p08.png
 200     ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftbrn2c08.png
 201     ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftbwn0g16.png
 202     ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftbwn3p08.png
 203     ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftbyn3p08.png
 204     ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftp0n0g08.png
 205     ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftp0n2c08.png
 206     ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftp0n3p08.png
 207     ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftp1n3p08.png
 208   )
 209 endif()
 210
 211 # Ensure the CMAKE_LIBRARY_OUTPUT_DIRECTORY is set
 212 IF(NOT CMAKE_LIBRARY_OUTPUT_DIRECTORY)
 213   SET(CMAKE_LIBRARY_OUTPUT_DIRECTORY "lib")
 214 ENDIF(NOT CMAKE_LIBRARY_OUTPUT_DIRECTORY)
 215
 216 # Set a variable with CMake code which:
 217 # Creates a symlink from src to dest (if possible) or alternatively
 218 # copies if different.
 219 macro(CREATE_SYMLINK SRC_FILE DEST_FILE)
 220   FILE(REMOVE ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/${DEST_FILE})
 221   if(WIN32 AND NOT CYGWIN AND NOT MSYS)
 222     ADD_CUSTOM_COMMAND(
 223         OUTPUT ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/${DEST_FILE}   ${CMAKE_CURRENT_BINARY_DIR}/${DEST_FILE}
 224         COMMAND ${CMAKE_COMMAND} -E copy_if_different  "${SRC_FILE}" ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/${DEST_FILE}
 225         COMMAND ${CMAKE_COMMAND} -E copy_if_different  "${SRC_FILE}" ${CMAKE_CURRENT_BINARY_DIR}/${DEST_FILE}
 226         DEPENDS ${PNG_LIB_TARGETS}
 227         )
 228     ADD_CUSTOM_TARGET(${DEST_FILE}_COPY ALL DEPENDS ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/${DEST_FILE})
 229   else(WIN32 AND NOT CYGWIN AND NOT MSYS)
 230     get_filename_component(LINK_TARGET "${SRC_FILE}" NAME)
 231     execute_process(COMMAND ${CMAKE_COMMAND} -E make_directory ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_LIBRARY_OUTPUT_DIRECTORY})
 232     execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink "${LINK_TARGET}" ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/${DEST_FILE} WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
 233     execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink "${LINK_TARGET}" ${DEST_FILE} WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
 234   endif(WIN32 AND NOT CYGWIN AND NOT MSYS)
 235 endmacro()
 236
 237 # libpng is a library so default to 'lib'
 238 if(NOT DEFINED CMAKE_INSTALL_LIBDIR)
 239   set(CMAKE_INSTALL_LIBDIR lib)
 240 endif(NOT DEFINED CMAKE_INSTALL_LIBDIR)
 241
 242 # CREATE PKGCONFIG FILES
 243 # we use the same files like ./configure, so we have to set its vars
 244 # Only do this on Windows for Cygwin - the files don't make much sense outside
 245 # a UNIX look alike
 246 if(NOT WIN32 OR CYGWIN OR MINGW)
 247   set(prefix      ${CMAKE_INSTALL_PREFIX})
 248   set(exec_prefix ${CMAKE_INSTALL_PREFIX})
 249   set(libdir      ${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR})
 250   set(includedir  ${CMAKE_INSTALL_PREFIX}/include)
 251   set(LIBS        "-lz -lm")
 252   configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libpng.pc.in
 253     ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}.pc @ONLY)
 254   CREATE_SYMLINK(${PNGLIB_NAME}.pc libpng.pc)
 255
 256   configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libpng-config.in
 257     ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}-config @ONLY)
 258   CREATE_SYMLINK(${PNGLIB_NAME}-config libpng-config)
 259 endif(NOT WIN32 OR CYGWIN OR MINGW)
 260
 261 # SET UP LINKS
 262 if(PNG_SHARED)
 263   set_target_properties(${PNG_LIB_NAME} PROPERTIES
 264 #   VERSION 16.${PNGLIB_RELEASE}.1.6.19
 265     VERSION 16.${PNGLIB_RELEASE}.0
 266     SOVERSION 16
 267     CLEAN_DIRECT_OUTPUT 1)
 268 endif()
 269 if(PNG_STATIC)
 270   # MSVC doesn't use a different file extension for shared vs. static
 271   # libs.  We are able to change OUTPUT_NAME to remove the _static
 272   # for all other platforms.
 273   if(NOT MSVC)
 274     set_target_properties(${PNG_LIB_NAME_STATIC} PROPERTIES
 275       OUTPUT_NAME ${PNG_LIB_NAME}
 276       CLEAN_DIRECT_OUTPUT 1)
 277   endif()
 278 endif()
 279
 280 # If CMake > 2.4.x, we set a variable used below to export
 281 # targets to an export file.
 282 # TODO: Use VERSION_GREATER after our cmake_minimum_required >= 2.6.2
 283 if(CMAKE_MAJOR_VERSION GREATER 1 AND CMAKE_MINOR_VERSION GREATER 4)
 284   set(PNG_EXPORT_RULE EXPORT libpng)
 285 elseif(CMAKE_MAJOR_VERSION GREATER 2) # future proof
 286   set(PNG_EXPORT_RULE EXPORT libpng)
 287 endif()
 288
 289 # INSTALL
 290 if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL )
 291   install(TARGETS ${PNG_LIB_TARGETS}
 292       ${PNG_EXPORT_RULE}
 293       RUNTIME DESTINATION bin
 294       LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
 295       ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
 296       FRAMEWORK DESTINATION ${CMAKE_INSTALL_LIBDIR})
 297
 298   if(PNG_SHARED)
 299     # Create a symlink for libpng.dll.a => libpng16.dll.a on Cygwin
 300     if(CYGWIN OR MINGW)
 301        get_target_property(BUILD_TARGET_LOCATION ${PNG_LIB_NAME} LOCATION_${CMAKE_BUILD_TYPE})
 302        CREATE_SYMLINK(${BUILD_TARGET_LOCATION} libpng${CMAKE_IMPORT_LIBRARY_SUFFIX})
 303        install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng${CMAKE_IMPORT_LIBRARY_SUFFIX}
 304          DESTINATION ${CMAKE_INSTALL_LIBDIR})
 305     endif(CYGWIN OR MINGW)
 306
 307     if(NOT WIN32)
 308       get_target_property(BUILD_TARGET_LOCATION ${PNG_LIB_NAME} LOCATION_${CMAKE_BUILD_TYPE})
 309       CREATE_SYMLINK(${BUILD_TARGET_LOCATION} libpng${CMAKE_SHARED_LIBRARY_SUFFIX})
 310       install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng${CMAKE_SHARED_LIBRARY_SUFFIX}
 311          DESTINATION ${CMAKE_INSTALL_LIBDIR})
 312     endif(NOT WIN32)
 313   endif(PNG_SHARED)
 314
 315   if(PNG_STATIC)
 316     if(NOT WIN32 OR CYGWIN OR MINGW)
 317       get_target_property(BUILD_TARGET_LOCATION ${PNG_LIB_NAME_STATIC} LOCATION_${CMAKE_BUILD_TYPE})
 318       CREATE_SYMLINK(${BUILD_TARGET_LOCATION} libpng${CMAKE_STATIC_LIBRARY_SUFFIX})
 319       install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng${CMAKE_STATIC_LIBRARY_SUFFIX}
 320          DESTINATION ${CMAKE_INSTALL_LIBDIR})
 321     endif(NOT WIN32 OR CYGWIN OR MINGW)
 322  endif()
 323 endif()
 324
 325 if(NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL )
 326   install(FILES ${libpng_public_hdrs}   DESTINATION include)
 327   install(FILES ${libpng_public_hdrs}   DESTINATION include/${PNGLIB_NAME})
 328 endif()
 329 if(NOT SKIP_INSTALL_EXECUTABLES AND NOT SKIP_INSTALL_ALL )
 330   if(NOT WIN32 OR CYGWIN OR MINGW)
 331     install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/libpng-config DESTINATION bin)
 332     install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}-config
 333             DESTINATION bin)
 334   endif(NOT WIN32 OR CYGWIN OR MINGW)
 335 endif()
 336
 337 if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL )
 338   # Install man pages
 339   if(NOT PNG_MAN_DIR)
 340     set(PNG_MAN_DIR "share/man")
 341   endif()
 342   install(FILES libpng.3 libpngpf.3      DESTINATION ${PNG_MAN_DIR}/man3)
 343   install(FILES png.5                    DESTINATION ${PNG_MAN_DIR}/man5)
 344   # Install pkg-config files
 345   if(NOT WIN32 OR CYGWIN OR MINGW)
 346     install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng.pc
 347             DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
 348     install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/libpng-config
 349             DESTINATION bin)
 350     install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}.pc
 351             DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
 352     install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}-config
 353             DESTINATION bin)
 354   endif(NOT WIN32 OR CYGWIN OR MINGW)
 355 endif()
 356
 357 # On versions of CMake that support it, create an export file CMake
 358 # users can include() to import our targets
 359 if(PNG_EXPORT_RULE AND NOT SKIP_INSTALL_EXPORT AND NOT SKIP_INSTALL_ALL )
 360   install(EXPORT libpng DESTINATION lib/libpng FILE lib${PNG_LIB_NAME}.cmake)
 361 endif()
 362
 363 # what's with libpng-manual.txt and all the extra files?
 364
 365 # UNINSTALL
 366 # do we need this?
 367
 368 # DIST
 369 # do we need this?
 370
 371 # to create msvc import lib for mingw compiled shared lib
 372 # pexports libpng.dll > libpng.def
 373 # lib /def:libpng.def /machine:x86
 374