src/png/scripts/CMakeLists.txt

   1
   2 project(PNG)
   3
   4 # Copyright (C) 2007 Glenn Randers-Pehrson
   5 # For conditions of distribution and use, see copyright notice in png.h
   6
   7 set(PNGLIB_MAJOR 1)
   8 set(PNGLIB_MINOR 2)
   9 set(PNGLIB_RELEASE 20)
  10 set(PNGLIB_NAME libpng${PNGLIB_MAJOR}${PNGLIB_MINOR})
  11 set(PNGLIB_VERSION ${PNGLIB_MAJOR}.${PNGLIB_MINOR}.${PNGLIB_RELEASE})
  12
  13 # needed packages
  14 find_package(ZLIB REQUIRED)
  15 if(NOT WIN32)
  16  find_library(M_LIBRARY
  17      NAMES m
  18      PATHS /usr/lib /usr/local/lib
  19  )
  20  if(NOT M_LIBRARY)
  21    message(STATUS
  22      "math library 'libm' not found - floating point support disabled")
  23  endif(NOT M_LIBRARY)
  24 else(NOT WIN32)
  25  # not needed on windows
  26  set(M_LIBRARY "")
  27 endif(NOT WIN32)
  28
  29
  30 # COMMAND LINE OPTIONS
  31 option(PNG_SHARED "Build shared lib" YES)
  32 option(PNG_STATIC "Build static lib" YES)
  33 if(MINGW)
  34   option(PNG_TESTS  "Build pngtest" NO)
  35 else(MINGW)
  36   option(PNG_TESTS  "Build pngtest" YES)
  37 endif(MINGW)
  38 option(PNG_NO_CONSOLE_IO "FIXME" YES)
  39 option(PNG_NO_STDIO      "FIXME" YES)
  40 option(PNG_DEBUG         "Build with debug output" YES)
  41 option(PNGARG            "FIXME" YES)
  42 #TODO:
  43 # PNG_CONSOLE_IO_SUPPORTED
  44
  45 # maybe needs improving, but currently I don't know when we can enable what :)
  46 set(png_asm_tmp "OFF")
  47 if(NOT WIN32)
  48  find_program(uname_executable NAMES uname PATHS /bin /usr/bin /usr/local/bin)
  49  if(uname_executable)
  50    EXEC_PROGRAM(${uname_executable} ARGS --machine OUTPUT_VARIABLE uname_output)
  51    if("uname_output" MATCHES "^.*i[1-9]86.*$")
  52       set(png_asm_tmp "ON")
  53    else("uname_output" MATCHES "^.*i[1-9]86.*$")
  54       set(png_asm_tmp "OFF")
  55    endif("uname_output" MATCHES "^.*i[1-9]86.*$")
  56  endif(uname_executable)
  57 else(NOT WIN32)
  58  # this env var is normally only set on win64
  59  SET(TEXT "ProgramFiles(x86)")
  60  if("$ENV{${TEXT}}" STREQUAL "")
  61   set(png_asm_tmp "ON")
  62  endif("$ENV{${TEXT}}" STREQUAL "")
  63 endif(NOT WIN32)
  64
  65 # SET LIBNAME
  66 # msvc does not append 'lib' - do it here to have consistent name
  67 if(MSVC)
  68  set(PNG_LIB_NAME lib)
  69 endif(MSVC)
  70 set(PNG_LIB_NAME ${PNG_LIB_NAME}png${PNGLIB_MAJOR}${PNGLIB_MINOR})
  71
  72 # to distinguish between debug and release lib
  73 set(CMAKE_DEBUG_POSTFIX "d")
  74
  75
  76 # OUR SOURCES
  77 set(libpng_sources
  78  png.h
  79  pngconf.h
  80  png.c
  81  pngerror.c
  82  pngget.c
  83  pngmem.c
  84  pngpread.c
  85  pngread.c
  86  pngrio.c
  87  pngrtran.c
  88  pngrutil.c
  89  pngset.c
  90  pngtrans.c
  91  pngwio.c
  92  pngwrite.c
  93  pngwtran.c
  94  pngwutil.c
  95 )
  96 set(pngtest_sources
  97        pngtest.c
  98 )
  99 # SOME NEEDED DEFINITIONS
 100 if(MSVC)
 101   add_definitions(-DPNG_NO_MODULEDEF -D_CRT_SECURE_NO_DEPRECATE)
 102 endif(MSVC)
 103
 104 add_definitions(-DZLIB_DLL)
 105
 106 add_definitions(-DLIBPNG_NO_MMX)
 107 add_definitions(-DPNG_NO_MMX_CODE)
 108
 109 if(PNG_CONSOLE_IO_SUPPORTED)
 110  add_definitions(-DPNG_CONSOLE_IO_SUPPORTED)
 111 endif(PNG_CONSOLE_IO_SUPPORTED)
 112
 113 if(PNG_NO_CONSOLE_IO)
 114  add_definitions(-DPNG_NO_CONSOLE_IO)
 115 endif(PNG_NO_CONSOLE_IO)
 116
 117 if(PNG_NO_STDIO)
 118  add_definitions(-DPNG_NO_STDIO)
 119 endif(PNG_NO_STDIO)
 120
 121 if(PNG_DEBUG)
 122  add_definitions(-DPNG_DEBUG)
 123 endif(PNG_DEBUG)
 124
 125 if(NOT M_LIBRARY AND NOT WIN32)
 126  add_definitions(-DPNG_NO_FLOATING_POINT_SUPPORTED)
 127 endif(NOT M_LIBRARY AND NOT WIN32)
 128
 129 # NOW BUILD OUR TARGET
 130 include_directories(${PNG_SOURCE_DIR} ${ZLIB_INCLUDE_DIR})
 131
 132 if(PNG_SHARED)
 133  add_library(${PNG_LIB_NAME} SHARED ${libpng_sources})
 134  target_link_libraries(${PNG_LIB_NAME} ${ZLIB_LIBRARY} ${M_LIBRARY})
 135 endif(PNG_SHARED)
 136 if(PNG_STATIC)
 137 # does not work without changing name
 138  set(PNG_LIB_NAME_STATIC ${PNG_LIB_NAME}_static)
 139  add_library(${PNG_LIB_NAME_STATIC} STATIC ${libpng_sources})
 140 endif(PNG_STATIC)
 141
 142 if(PNG_SHARED AND WIN32)
 143  set_target_properties(${PNG_LIB_NAME} PROPERTIES DEFINE_SYMBOL PNG_BUILD_DLL)
 144 endif(PNG_SHARED AND WIN32)
 145
 146 if(PNG_TESTS)
 147 # does not work with msvc due to png_lib_ver issue
 148  add_executable(pngtest ${pngtest_sources})
 149  target_link_libraries(pngtest ${PNG_LIB_NAME})
 150 #  add_test(pngtest ${PNG_SOURCE_DIR}/pngtest.png)
 151 endif(PNG_TESTS)
 152
 153
 154 # CREATE PKGCONFIG FILES
 155 # we use the same files like ./configure, so we have to set its vars
 156 set(prefix      ${CMAKE_INSTALL_PREFIX})
 157 set(exec_prefix ${CMAKE_INSTALL_PREFIX})
 158 set(libdir      ${CMAKE_INSTALL_PREFIX}/lib)
 159 set(includedir  ${CMAKE_INSTALL_PREFIX}/include)
 160
 161 configure_file(${PNG_SOURCE_DIR}/scripts/libpng.pc.in
 162   ${PNG_BINARY_DIR}/libpng.pc)
 163 configure_file(${PNG_SOURCE_DIR}/scripts/libpng-config.in
 164   ${PNG_BINARY_DIR}/libpng-config)
 165 configure_file(${PNG_SOURCE_DIR}/scripts/libpng.pc.in
 166   ${PNG_BINARY_DIR}/${PNGLIB_NAME}.pc)
 167 configure_file(${PNG_SOURCE_DIR}/scripts/libpng-config.in
 168   ${PNG_BINARY_DIR}/${PNGLIB_NAME}-config)
 169
 170 # SET UP LINKS
 171 set_target_properties(${PNG_LIB_NAME} PROPERTIES
 172 #    VERSION 0.${PNGLIB_RELEASE}.1.2.20
 173      VERSION 0.${PNGLIB_RELEASE}.0
 174      SOVERSION 0
 175      CLEAN_DIRECT_OUTPUT 1)
 176 if(NOT WIN32)
 177   # that's uncool on win32 - it overwrites our static import lib...
 178   set_target_properties(${PNG_LIB_NAME_STATIC} PROPERTIES
 179      OUTPUT_NAME ${PNG_LIB_NAME}
 180      CLEAN_DIRECT_OUTPUT 1)
 181 endif(NOT WIN32)
 182 # INSTALL
 183 install_targets(/lib ${PNG_LIB_NAME})
 184 if(PNG_STATIC)
 185   install_targets(/lib ${PNG_LIB_NAME_STATIC})
 186 endif(PNG_STATIC)
 187
 188 install(FILES png.h pngconf.h         DESTINATION include)
 189 install(FILES png.h pngconf.h         DESTINATION include/${PNGLIB_NAME})
 190 install(FILES libpng.3 libpngpf.3             DESTINATION man/man3)
 191 install(FILES png.5                           DESTINATION man/man5)
 192 install(FILES ${PNG_BINARY_DIR}/libpng.pc     DESTINATION lib/pkgconfig)
 193 install(FILES ${PNG_BINARY_DIR}/libpng-config      DESTINATION bin)
 194 install(FILES ${PNG_BINARY_DIR}/${PNGLIB_NAME}.pc  DESTINATION lib/pkgconfig)
 195 install(FILES ${PNG_BINARY_DIR}/${PNGLIB_NAME}-config DESTINATION bin)
 196
 197 # what's with libpng.txt and all the extra files?
 198
 199
 200 # UNINSTALL
 201 # do we need this?
 202
 203
 204 # DIST
 205 # do we need this?
 206
 207 # to create msvc import lib for mingw compiled shared lib
 208 # pexports libpng.dll > libpng.def
 209 # lib /def:libpng.def /machine:x86
 210