l4/pkg/libsdl-image/contrib/configure.in

   1 dnl Process this file with autoconf to produce a configure script.
   2 AC_INIT(README)
   3
   4 dnl Set various version strings - taken gratefully from the GTk sources
   5
   6 # Making releases:
   7 #   MICRO_VERSION += 1;
   8 #   INTERFACE_AGE += 1;
   9 #   BINARY_AGE += 1;
  10 # if any functions have been added, set INTERFACE_AGE to 0.
  11 # if backwards compatibility has been broken,
  12 # set BINARY_AGE and INTERFACE_AGE to 0.
  13
  14 MAJOR_VERSION=1
  15 MINOR_VERSION=2
  16 MICRO_VERSION=11
  17 INTERFACE_AGE=3
  18 BINARY_AGE=11
  19 VERSION=$MAJOR_VERSION.$MINOR_VERSION.$MICRO_VERSION
  20
  21 AC_SUBST(MAJOR_VERSION)
  22 AC_SUBST(MINOR_VERSION)
  23 AC_SUBST(MICRO_VERSION)
  24 AC_SUBST(INTERFACE_AGE)
  25 AC_SUBST(BINARY_AGE)
  26 AC_SUBST(VERSION)
  27
  28 # libtool versioning
  29 LT_INIT([win32-dll])
  30
  31 LT_RELEASE=$MAJOR_VERSION.$MINOR_VERSION
  32 LT_CURRENT=`expr $MICRO_VERSION - $INTERFACE_AGE`
  33 LT_REVISION=$INTERFACE_AGE
  34 LT_AGE=`expr $BINARY_AGE - $INTERFACE_AGE`
  35
  36 AC_SUBST(LT_RELEASE)
  37 AC_SUBST(LT_CURRENT)
  38 AC_SUBST(LT_REVISION)
  39 AC_SUBST(LT_AGE)
  40
  41 dnl Detect the canonical build and host environments
  42 AC_CANONICAL_HOST
  43
  44 dnl Setup for automake
  45 AM_INIT_AUTOMAKE(SDL_image, $VERSION)
  46
  47 dnl Check for tools
  48 AC_PROG_LIBTOOL
  49 AC_PROG_CC
  50 AC_C_INLINE
  51 AC_PROG_INSTALL
  52 AC_PROG_MAKE_SET
  53 if test -z "$host_alias"; then
  54     hostaliaswindres=
  55 else
  56     hostaliaswindres="$host_alias-windres"
  57 fi
  58 AC_CHECK_PROGS(WINDRES, [windres $hostaliaswindres $host_os-windres])
  59
  60 case "$host" in
  61     *-*-beos*)
  62         ac_default_prefix=/boot/develop/tools/gnupro
  63         ;;
  64     *-*-cygwin* | *-*-mingw32*)
  65         if test "$build" != "$host"; then # cross-compiling
  66             # Default cross-compile location
  67             ac_default_prefix=/usr/local/cross-tools/i386-mingw32
  68         else
  69             # Look for the location of the tools and install there
  70             if test "$BUILD_PREFIX" != ""; then
  71                 ac_default_prefix=$BUILD_PREFIX
  72             fi
  73         fi
  74         if test x$WINDRES != x; then
  75             use_version_rc=true
  76         fi
  77         ;;
  78     *-*-darwin*)
  79         AC_ARG_ENABLE([imageio], [AC_HELP_STRING([--enable-imageio], [use native Mac OS X frameworks for loading images [default=yes]])],
  80                       [], [enable_imageio=yes])
  81         if test x$enable_imageio = xyes; then
  82             IMG_LIBS="-Wl,-framework,ApplicationServices $IMG_LIBS"
  83         else
  84             CFLAGS="$CFLAGS -DSDL_IMAGE_USE_COMMON_BACKEND"
  85         fi
  86         ;;
  87 esac
  88 AM_CONDITIONAL(USE_VERSION_RC, test x$use_version_rc = xtrue)
  89
  90 dnl set this to use on systems that use lib64 instead of lib
  91 base_libdir=`echo \${libdir} | sed 's/.*\/\(.*\)/\1/; q'`
  92
  93 dnl Function to find a library in the compiler search path
  94 find_lib()
  95 {
  96     gcc_bin_path=[`$CC -print-search-dirs 2>/dev/null | fgrep programs: | sed 's/[^=]*=\(.*\)/\1/' | sed 's/:/ /g'`]
  97     gcc_lib_path=[`$CC -print-search-dirs 2>/dev/null | fgrep libraries: | sed 's/[^=]*=\(.*\)/\1/' | sed 's/:/ /g'`]
  98     env_lib_path=[`echo $LIBS $LDFLAGS $* | sed 's/-L[ ]*//g'`]
  99     if test "$cross_compiling" = yes; then
 100         host_lib_path=""
 101     else
 102         host_lib_path="/usr/$base_libdir /usr/local/$base_libdir"
 103     fi
 104     for path in $gcc_bin_path $gcc_lib_path $env_lib_path $host_lib_path; do
 105         lib=[`ls -- $path/$1 2>/dev/null | sort | sed 's/.*\/\(.*\)/\1/; q'`]
 106         if test x$lib != x; then
 107             echo $lib
 108             return
 109         fi
 110     done
 111 }
 112
 113 dnl Check for SDL
 114 SDL_VERSION=1.2.10
 115 AC_SUBST(SDL_VERSION)
 116 AM_PATH_SDL($SDL_VERSION,
 117             :,
 118            AC_MSG_ERROR([*** SDL version $SDL_VERSION not found!])
 119 )
 120 CFLAGS="$CFLAGS $SDL_CFLAGS"
 121 LIBS="$LIBS $SDL_LIBS"
 122 saved_LIBS="$LIBS"
 123
 124 dnl Check command-line options
 125 AC_ARG_ENABLE([bmp], [AC_HELP_STRING([--enable-bmp], [support loading BMP/ICO/CUR images [default=yes]])],
 126  [], [enable_bmp=yes])
 127 AC_ARG_ENABLE([gif], [AC_HELP_STRING([--enable-gif], [support loading GIF images [default=yes]])],
 128  [], [enable_gif=yes])
 129 AC_ARG_ENABLE([jpg], [AC_HELP_STRING([--enable-jpg], [support loading JPG images [default=yes]])],
 130  [], [enable_jpg=yes])
 131 AC_ARG_ENABLE([jpg-shared], AC_HELP_STRING([--enable-jpg-shared], [dynamically load JPG support [[default=yes]]]),
 132  [], [enable_jpg_shared=yes])
 133 AC_ARG_ENABLE([lbm], [AC_HELP_STRING([--enable-lbm], [support loading LBM images [default=yes]])],
 134  [], [enable_lbm=yes])
 135 AC_ARG_ENABLE([pcx], [AC_HELP_STRING([--enable-pcx], [support loading PCX images [default=yes]])],
 136  [], [enable_pcx=yes])
 137 AC_ARG_ENABLE([png], [AC_HELP_STRING([--enable-png], [support loading PNG images [default=yes]])],
 138  [], [enable_png=yes])
 139 AC_ARG_ENABLE([png-shared], AC_HELP_STRING([--enable-png-shared], [dynamically load PNG support [[default=yes]]]),
 140  [], [enable_png_shared=yes])
 141 AC_ARG_ENABLE([pnm], [AC_HELP_STRING([--enable-pnm], [support loading PNM images [default=yes]])],
 142  [], [enable_pnm=yes])
 143 AC_ARG_ENABLE([tga], [AC_HELP_STRING([--enable-tga], [support loading TGA images [default=yes]])],
 144  [], [enable_tga=yes])
 145 AC_ARG_ENABLE([tif], [AC_HELP_STRING([--enable-tif], [support loading TIFF images [default=yes]])],
 146  [], [enable_tif=yes])
 147 AC_ARG_ENABLE([tif-shared], AC_HELP_STRING([--enable-tif-shared], [dynamically load TIFF support [[default=yes]]]),
 148  [], [enable_tif_shared=yes])
 149 AC_ARG_ENABLE([xcf], [AC_HELP_STRING([--enable-xcf], [support loading XCF images [default=yes]])],
 150  [], [enable_xcf=yes])
 151 AC_ARG_ENABLE([xpm], [AC_HELP_STRING([--enable-xpm], [support loading XPM images [default=yes]])],
 152  [], [enable_xpm=yes])
 153 AC_ARG_ENABLE([xv], [AC_HELP_STRING([--enable-xv], [support loading XV images [default=yes]])],
 154  [], [enable_xv=yes])
 155
 156 if test x$enable_jpg = xyes || test x$enable_tif = xyes; then
 157     AC_CHECK_HEADER([jpeglib.h], [have_jpg_hdr=yes])
 158     AC_CHECK_LIB([jpeg], [jpeg_CreateDecompress], [have_jpg_lib=yes])
 159     if test x$have_jpg_hdr = xyes -a x$have_jpg_lib = xyes; then
 160         if test x$enable_jpg = xyes; then
 161             AC_DEFINE([LOAD_JPG])
 162         fi
 163         LIBS="-ljpeg $LIBS"
 164
 165         case "$host" in
 166             *-*-darwin*)
 167                 jpg_lib=[`find_lib libjpeg.dylib`]
 168                 ;;
 169             *-*-cygwin* | *-*-mingw32*)
 170                 jpg_lib=[`find_lib "jpeg.dll"`]
 171                 ;;
 172             *)
 173                 jpg_lib=[`find_lib "libjpeg.so.[0-9]"`]
 174                 if test x$jpg_lib = x; then
 175                     jpg_lib=[`find_lib "libjpeg.so.[0-9][0-9]"`]
 176                 fi
 177                 if test x$jpg_lib = x; then
 178                     jpg_lib=[`find_lib "libjpeg.so.[0-9]*"`]
 179                 fi
 180                 ;;
 181         esac
 182     elif test x$enable_jpg = xyes; then
 183         AC_MSG_WARN([*** Unable to find JPEG library (http://www.ijg.org/)])
 184         AC_MSG_WARN([JPG image loading disabled])
 185     fi
 186 fi
 187
 188 if test "x$enable_png" = xyes; then
 189     PKG_CHECK_MODULES([LIBPNG], [libpng], [dnl
 190         have_png_hdr=yes
 191         CFLAGS="$LIBPNG_CFLAGS $CFLAGS"
 192         have_png_lib=yes
 193       ], [dnl
 194         AC_CHECK_HEADER([png.h], [have_png_hdr=yes])
 195         AC_CHECK_LIB([png], [png_create_read_struct], [have_png_lib=yes], [], [-lz])
 196       ])
 197     if test x$have_png_hdr = xyes -a x$have_png_lib = xyes; then
 198         AC_DEFINE([LOAD_PNG])
 199
 200         case "$host" in
 201             *-*-darwin*)
 202                 png_lib=[`find_lib libpng.dylib`]
 203                 ;;
 204             *-*-cygwin* | *-*-mingw32*)
 205                 png_lib=[`find_lib "libpng*.dll"`]
 206                 ;;
 207             *)
 208                 png_lib=[`find_lib "libpng.so.[0-9]"`]
 209                 if test x$png_lib = x; then
 210                     png_lib=[`find_lib "libpng.so.[0-9]*"`]
 211                 fi
 212                 if test x$png_lib = x; then
 213                     png_lib=[`find_lib "libpng*.so.[0-9]"`]
 214                 fi
 215                 if test x$png_lib = x; then
 216                     png_lib=[`find_lib "libpng*.so.[0-9]*"`]
 217                 fi
 218                 ;;
 219         esac
 220     else
 221         AC_MSG_WARN([*** Unable to find PNG library (http://www.libpng.org/pub/png/libpng.html)])
 222         AC_MSG_WARN([PNG image loading disabled])
 223     fi
 224 fi
 225
 226 if test x$enable_tif = xyes; then
 227     AC_CHECK_HEADER([tiffio.h], [have_tif_hdr=yes])
 228     AC_CHECK_LIB([tiff], [TIFFClientOpen], [have_tif_lib=yes], [], [-lz])
 229     if test x$have_tif_hdr = xyes -a x$have_tif_lib = xyes; then
 230         AC_DEFINE([LOAD_TIF])
 231
 232         case "$host" in
 233             *-*-darwin*)
 234                 tif_lib=[`find_lib libtiff.dylib`]
 235                 ;;
 236             *-*-cygwin* | *-*-mingw32*)
 237                 tif_lib=[`find_lib "libtiff-*.dll"`]
 238                 ;;
 239             *)
 240                 tif_lib=[`find_lib "libtiff.so.[0-9]"`]
 241                 if test x$tif_lib = x; then
 242                     tif_lib=[`find_lib "libtiff.so.[0-9]*"`]
 243                 fi
 244                 ;;
 245         esac
 246     else
 247         AC_MSG_WARN([*** Unable to find Tiff library (http://www.remotesensing.org/libtiff/)])
 248         AC_MSG_WARN([TIF image loading disabled])
 249     fi
 250 fi
 251
 252 if test x$enable_bmp = xyes; then
 253     AC_DEFINE([LOAD_BMP])
 254 fi
 255
 256 if test x$enable_gif = xyes; then
 257     AC_DEFINE([LOAD_GIF])
 258 fi
 259
 260 if test x$enable_lbm = xyes; then
 261     AC_DEFINE([LOAD_LBM])
 262 fi
 263
 264 if test x$enable_pcx = xyes; then
 265     AC_DEFINE([LOAD_PCX])
 266 fi
 267
 268 if test x$enable_pnm = xyes; then
 269     AC_DEFINE([LOAD_PNM])
 270 fi
 271
 272 if test x$enable_tga = xyes; then
 273     AC_DEFINE([LOAD_TGA])
 274 fi
 275
 276 if test x$enable_xcf = xyes; then
 277     AC_DEFINE([LOAD_XCF])
 278 fi
 279
 280 if test x$enable_xpm = xyes; then
 281     AC_DEFINE([LOAD_XPM])
 282 fi
 283
 284 if test x$enable_xv = xyes; then
 285     AC_DEFINE([LOAD_XV])
 286 fi
 287
 288 if test x$enable_tif = xyes -a x$have_tif_hdr = xyes -a x$have_tif_lib = xyes; then
 289     if test x$enable_tif_shared = xyes && test x$tif_lib != x; then
 290         echo "-- dynamic libtiff -> $tif_lib"
 291         AC_DEFINE_UNQUOTED(LOAD_TIF_DYNAMIC, "$tif_lib")
 292     else
 293         if test x$have_libjpeg = xyes; then
 294             # Disable dynamic jpeg since we're linking it explicitly
 295             jpg_lib=''
 296         fi
 297         IMG_LIBS="-ltiff -lz $IMG_LIBS"
 298     fi
 299 fi
 300 if test x$enable_jpg = xyes -a x$have_jpg_hdr = xyes -a x$have_jpg_lib = xyes; then
 301     if test x$enable_jpg_shared = xyes && test x$jpg_lib != x; then
 302         echo "-- dynamic libjpeg -> $jpg_lib"
 303         AC_DEFINE_UNQUOTED(LOAD_JPG_DYNAMIC, "$jpg_lib")
 304     else
 305         IMG_LIBS="-ljpeg $IMG_LIBS"
 306     fi
 307 fi
 308 if test x$enable_png = xyes -a x$have_png_hdr = xyes -a x$have_png_lib = xyes; then
 309     if test x$enable_png_shared = xyes && test x$png_lib != x; then
 310         echo "-- dynamic libpng -> $png_lib"
 311         AC_DEFINE_UNQUOTED(LOAD_PNG_DYNAMIC, "$png_lib")
 312     else
 313         IMG_LIBS="-lpng -lz $IMG_LIBS"
 314     fi
 315 fi
 316
 317 LIBS="$saved_LIBS"
 318
 319 AC_SUBST([WINDRES])
 320 AC_SUBST([IMG_LIBS])
 321
 322 # Finally create all the generated files
 323 AC_OUTPUT([
 324 Makefile
 325 SDL_image.spec
 326 SDL_image.pc
 327 ])