configure.in
author Ozkan Sezer <sezeroz@gmail.com>
Thu, 11 Jul 2019 01:10:28 +0300
changeset 682 6950f1d21f82
parent 667 b4e595f1fdb8
permissions -rw-r--r--
consistently use IMG_SetError() instead of SDL_SetError.
     1 dnl Process this file with autoconf to produce a configure script.
     2 AC_INIT(README.txt)
     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=2
    15 MINOR_VERSION=0
    16 MICRO_VERSION=5
    17 INTERFACE_AGE=3
    18 BINARY_AGE=5
    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(SDL2_image, $VERSION)
    46 
    47 dnl Check for tools
    48 AC_PROG_LIBTOOL
    49 AC_PROG_CC
    50 AC_PROG_OBJC
    51 AC_C_INLINE
    52 AC_PROG_INSTALL
    53 AC_PROG_MAKE_SET
    54 if test -z "$host_alias"; then
    55     hostaliaswindres=
    56 else
    57     hostaliaswindres="$host_alias-windres"
    58 fi
    59 AC_CHECK_PROGS(WINDRES, [windres $hostaliaswindres $host_os-windres])
    60 
    61 case "$host" in
    62     *-*-beos*)
    63         ac_default_prefix=/boot/develop/tools/gnupro
    64         ;;
    65     *-*-cygwin* | *-*-mingw32*)
    66         if test "$build" != "$host"; then # cross-compiling
    67             # Default cross-compile location
    68             ac_default_prefix=/usr/local/cross-tools/$host
    69         else
    70             # Look for the location of the tools and install there
    71             if test "$BUILD_PREFIX" != ""; then
    72                 ac_default_prefix=$BUILD_PREFIX
    73             fi
    74         fi
    75         if test x$WINDRES != x; then
    76             use_version_rc=true
    77         fi
    78         ;;
    79     *-*-darwin*)
    80         AC_ARG_ENABLE([imageio], [AC_HELP_STRING([--enable-imageio], [use native Mac OS X frameworks for loading images [default=yes]])],
    81                       [], [enable_imageio=yes])
    82         dnl Show a message when we use ImageIO support so it's not a surprise
    83         AC_MSG_CHECKING([for ImageIO support])
    84         AC_MSG_RESULT($enable_imageio)
    85         if test x$enable_imageio = xyes; then
    86             IMG_LIBS="-Wl,-framework,ApplicationServices -lobjc $IMG_LIBS"
    87         else
    88             CFLAGS="$CFLAGS -DSDL_IMAGE_USE_COMMON_BACKEND"
    89         fi
    90         ;;
    91 esac
    92 AM_CONDITIONAL(USE_IMAGEIO, test x$enable_imageio = xyes)
    93 AM_CONDITIONAL(USE_VERSION_RC, test x$use_version_rc = xtrue)
    94 
    95 dnl set this to use on systems that use lib64 instead of lib
    96 base_libdir=`echo \${libdir} | sed 's/.*\/\(.*\)/\1/; q'`
    97 
    98 dnl Function to find a library in the compiler search path
    99 find_lib()
   100 {
   101     gcc_bin_path=[`$CC -print-search-dirs 2>/dev/null | fgrep programs: | sed 's/[^=]*=\(.*\)/\1/' | sed 's/:/ /g'`]
   102     gcc_lib_path=[`$CC -print-search-dirs 2>/dev/null | fgrep libraries: | sed 's/[^=]*=\(.*\)/\1/' | sed 's/:/ /g'`]
   103     env_lib_path=[`echo $LIBS $LDFLAGS $* | sed 's/-L[ ]*//g'`]
   104     if test "$cross_compiling" = yes; then
   105         host_lib_path=""
   106     else
   107         host_lib_path="/usr/$base_libdir /usr/local/$base_libdir"
   108     fi
   109     for path in $env_lib_path $gcc_bin_path $gcc_lib_path $host_lib_path; do
   110         lib=[`ls -- $path/$1 2>/dev/null | sed -e '/\.so\..*\./d' -e 's,.*/,,' | sort | tail -1`]
   111         if test x$lib != x; then
   112             echo $lib
   113             return
   114         fi
   115     done
   116 }
   117 
   118 dnl Check for SDL
   119 SDL_VERSION=2.0.8
   120 AC_SUBST(SDL_VERSION)
   121 AM_PATH_SDL2($SDL_VERSION,
   122             :,
   123            AC_MSG_ERROR([*** SDL version $SDL_VERSION not found!])
   124 )
   125 CFLAGS="$CFLAGS $SDL_CFLAGS"
   126 LIBS="$LIBS $SDL_LIBS"
   127 saved_LIBS="$LIBS"
   128 
   129 dnl Check command-line options
   130 AC_ARG_ENABLE([bmp], [AC_HELP_STRING([--enable-bmp], [support loading BMP/ICO/CUR images [default=yes]])],
   131  [], [enable_bmp=yes])
   132 AC_ARG_ENABLE([gif], [AC_HELP_STRING([--enable-gif], [support loading GIF images [default=yes]])],
   133  [], [enable_gif=yes])
   134 AC_ARG_ENABLE([jpg], [AC_HELP_STRING([--enable-jpg], [support loading JPG images [default=yes]])],
   135  [], [enable_jpg=yes])
   136 AC_ARG_ENABLE([jpg-shared], AC_HELP_STRING([--enable-jpg-shared], [dynamically load JPG support [[default=yes]]]),
   137  [], [enable_jpg_shared=yes])
   138 AC_ARG_ENABLE([lbm], [AC_HELP_STRING([--enable-lbm], [support loading LBM images [default=yes]])],
   139  [], [enable_lbm=yes])
   140 AC_ARG_ENABLE([pcx], [AC_HELP_STRING([--enable-pcx], [support loading PCX images [default=yes]])],
   141  [], [enable_pcx=yes])
   142 AC_ARG_ENABLE([png], [AC_HELP_STRING([--enable-png], [support loading PNG images [default=yes]])],
   143  [], [enable_png=yes])
   144 AC_ARG_ENABLE([png-shared], AC_HELP_STRING([--enable-png-shared], [dynamically load PNG support [[default=yes]]]),
   145  [], [enable_png_shared=yes])
   146 AC_ARG_ENABLE([pnm], [AC_HELP_STRING([--enable-pnm], [support loading PNM images [default=yes]])],
   147  [], [enable_pnm=yes])
   148 AC_ARG_ENABLE([svg], [AC_HELP_STRING([--enable-svg], [support loading SVG images [default=yes]])],
   149  [], [enable_svg=yes])
   150 AC_ARG_ENABLE([tga], [AC_HELP_STRING([--enable-tga], [support loading TGA images [default=yes]])],
   151  [], [enable_tga=yes])
   152 AC_ARG_ENABLE([tif], [AC_HELP_STRING([--enable-tif], [support loading TIFF images [default=yes]])],
   153  [], [enable_tif=yes])
   154 AC_ARG_ENABLE([tif-shared], AC_HELP_STRING([--enable-tif-shared], [dynamically load TIFF support [[default=yes]]]),
   155  [], [enable_tif_shared=yes])
   156 AC_ARG_ENABLE([xcf], [AC_HELP_STRING([--enable-xcf], [support loading XCF images [default=yes]])],
   157  [], [enable_xcf=yes])
   158 AC_ARG_ENABLE([xpm], [AC_HELP_STRING([--enable-xpm], [support loading XPM images [default=yes]])],
   159  [], [enable_xpm=yes])
   160 AC_ARG_ENABLE([xv], [AC_HELP_STRING([--enable-xv], [support loading XV images [default=yes]])],
   161  [], [enable_xv=yes])
   162 AC_ARG_ENABLE([webp], [AC_HELP_STRING([--enable-webp], [support loading WEBP images [default=yes]])],
   163  [], [enable_webp=yes])
   164 AC_ARG_ENABLE([webp-shared], AC_HELP_STRING([--enable-webp-shared], [dynamically load WEBP support [[default=yes]]]),
   165  [], [enable_webp_shared=yes])
   166 
   167 if (test x$enable_jpg = xyes || test x$enable_tif = xyes) && test x$enable_imageio != xyes; then
   168     AC_CHECK_HEADER([jpeglib.h], [have_jpg_hdr=yes])
   169     AC_CHECK_LIB([jpeg], [jpeg_CreateDecompress], [have_jpg_lib=yes])
   170     if test x$have_jpg_hdr = xyes -a x$have_jpg_lib = xyes; then
   171         if test x$enable_jpg = xyes; then
   172             AC_DEFINE([LOAD_JPG])
   173         fi
   174         LIBS="-ljpeg $LIBS"
   175 
   176         case "$host" in
   177             *-*-darwin*)
   178                 jpg_lib=[`find_lib libjpeg.dylib`]
   179                 ;;
   180             *-*-cygwin* | *-*-mingw32*)
   181                 jpg_lib=[`find_lib "libjpeg*.dll"`]
   182                 ;;
   183             *)
   184                 jpg_lib=[`find_lib "libjpeg[0-9]*.so.*"`]
   185                 if test x$jpg_lib = x; then
   186                     jpg_lib=[`find_lib "libjpeg.so.*"`]
   187                 fi
   188                 ;;
   189         esac
   190     elif test x$enable_jpg = xyes; then
   191         AC_MSG_WARN([*** Unable to find JPEG library (http://www.ijg.org/)])
   192         AC_MSG_WARN([JPG image loading disabled])
   193     fi
   194 fi
   195 
   196 if test x$enable_png = xyes -a x$enable_imageio != xyes; then
   197     PKG_CHECK_MODULES([LIBPNG], [libpng], [dnl
   198         have_png_hdr=yes
   199         have_png_lib=yes
   200       ], [dnl
   201         AC_CHECK_HEADER([png.h], [
   202             have_png_hdr=yes
   203             LIBPNG_CFLAGS=""
   204         ])
   205         AC_CHECK_LIB([png], [png_create_read_struct], [
   206             have_png_lib=yes
   207             LIBPNG_LIBS="-lpng -lz"
   208         ], [], [-lz])
   209       ])
   210     if test x$have_png_hdr = xyes -a x$have_png_lib = xyes; then
   211         AC_DEFINE([LOAD_PNG])
   212 
   213         case "$host" in
   214             *-*-darwin*)
   215                 png_lib=[`find_lib libpng.dylib`]
   216                 ;;
   217             *-*-cygwin* | *-*-mingw32*)
   218                 png_lib=[`find_lib "libpng*.dll"`]
   219                 ;;
   220             *)
   221                 png_lib=[`find_lib "libpng[0-9]*.so.*"`]
   222                 if test x$png_lib = x; then
   223                     png_lib=[`find_lib "libpng.so.*"`]
   224                 fi
   225                 ;;
   226         esac
   227     else
   228         AC_MSG_WARN([*** Unable to find PNG library (http://www.libpng.org/pub/png/libpng.html)])
   229         AC_MSG_WARN([PNG image loading disabled])
   230     fi
   231 fi
   232 
   233 if test x$enable_tif = xyes -a x$enable_imageio != xyes; then
   234     AC_CHECK_HEADER([tiffio.h], [have_tif_hdr=yes])
   235     AC_CHECK_LIB([tiff], [TIFFClientOpen], [have_tif_lib=yes], [], [-lz])
   236     if test x$have_tif_hdr = xyes -a x$have_tif_lib = xyes; then
   237         AC_DEFINE([LOAD_TIF])
   238 
   239         case "$host" in
   240             *-*-darwin*)
   241                 tif_lib=[`find_lib libtiff.dylib`]
   242                 ;;
   243             *-*-cygwin* | *-*-mingw32*)
   244                 tif_lib=[`find_lib "libtiff-*.dll"`]
   245                 ;;
   246             *)
   247                 tif_lib=[`find_lib "libtiff[0-9]*.so.*"`]
   248                 if test x$tif_lib = x; then
   249                     tif_lib=[`find_lib "libtiff.so.*"`]
   250                 fi
   251                 ;;
   252         esac
   253     else
   254         AC_MSG_WARN([*** Unable to find Tiff library (http://www.remotesensing.org/libtiff/)])
   255         AC_MSG_WARN([TIF image loading disabled])
   256     fi
   257 fi
   258 
   259 if test x$enable_webp = xyes; then
   260     PKG_CHECK_MODULES([LIBWEBP], [libwebp], [dnl
   261         have_webp_hdr=yes
   262         have_webp_lib=yes
   263       ], [dnl
   264         AC_CHECK_HEADER([webp/decode.h], [
   265             have_webp_hdr=yes
   266             LIBWEBP_CFLAGS=""
   267         ])
   268         AC_CHECK_LIB([webp], [WebPGetDecoderVersion], [
   269             have_webp_lib=yes
   270             LIBWEBP_LIBS="-lwebp"
   271         ], [], [-lm])
   272       ])
   273     if test x$have_webp_hdr = xyes -a x$have_webp_lib = xyes; then
   274         AC_DEFINE([LOAD_WEBP])
   275 
   276         case "$host" in
   277             *-*-darwin*)
   278                 webp_lib=[`find_lib libwebp.dylib`]
   279                 ;;
   280             *-*-cygwin* | *-*-mingw32*)
   281                 webp_lib=[`find_lib "libwebp-*.dll"`]
   282                 ;;
   283             *)
   284                 webp_lib=[`find_lib "libwebp[0-9]*.so.*"`]
   285                 if test x$webp_lib = x; then
   286                     webp_lib=[`find_lib "libwebp.so.*"`]
   287                 fi
   288                 ;;
   289         esac
   290     else
   291         AC_MSG_WARN([*** Unable to find WEBP library (http://code.google.com/intl/en-US/speed/webp/index.html)])
   292         AC_MSG_WARN([WEBP Pimage loading disabled])
   293     fi
   294 fi
   295 
   296 if test x$enable_bmp = xyes; then
   297     AC_DEFINE([LOAD_BMP])
   298 fi
   299 
   300 if test x$enable_gif = xyes; then
   301     AC_DEFINE([LOAD_GIF])
   302 fi
   303 
   304 if test x$enable_lbm = xyes; then
   305     AC_DEFINE([LOAD_LBM])
   306 fi
   307 
   308 if test x$enable_pcx = xyes; then
   309     AC_DEFINE([LOAD_PCX])
   310 fi
   311 
   312 if test x$enable_pnm = xyes; then
   313     AC_DEFINE([LOAD_PNM])
   314 fi
   315 
   316 if test x$enable_svg = xyes; then
   317     AC_DEFINE([LOAD_SVG])
   318 fi
   319 
   320 if test x$enable_tga = xyes; then
   321     AC_DEFINE([LOAD_TGA])
   322 fi
   323 
   324 if test x$enable_xcf = xyes; then
   325     AC_DEFINE([LOAD_XCF])
   326 fi
   327 
   328 if test x$enable_xpm = xyes; then
   329     AC_DEFINE([LOAD_XPM])
   330 fi
   331 
   332 if test x$enable_xv = xyes; then
   333     AC_DEFINE([LOAD_XV])
   334 fi
   335 
   336 if test x$enable_webp = xyes -a x$have_webp_hdr = xyes -a x$have_webp_lib = xyes; then
   337     CFLAGS="$LIBWEBP_CFLAGS $CFLAGS"
   338     if test x$enable_webp_shared = xyes && test x$webp_lib != x; then
   339         echo "-- dynamic libwebp -> $webp_lib"
   340         AC_DEFINE_UNQUOTED(LOAD_WEBP_DYNAMIC, "$webp_lib")
   341     else
   342         IMG_LIBS="$LIBWEBP_LIBS $IMG_LIBS"
   343     fi
   344 fi
   345 
   346 if test x$enable_tif = xyes -a x$have_tif_hdr = xyes -a x$have_tif_lib = xyes; then
   347     if test x$enable_tif_shared = xyes && test x$tif_lib != x; then
   348         echo "-- dynamic libtiff -> $tif_lib"
   349         AC_DEFINE_UNQUOTED(LOAD_TIF_DYNAMIC, "$tif_lib")
   350     else
   351         if test x$have_libjpeg = xyes; then
   352             # Disable dynamic jpeg since we're linking it explicitly
   353             jpg_lib=''
   354         fi
   355         IMG_LIBS="-ltiff -lz $IMG_LIBS"
   356     fi
   357 fi
   358 if test x$enable_jpg = xyes -a x$have_jpg_hdr = xyes -a x$have_jpg_lib = xyes; then
   359     if test x$enable_jpg_shared = xyes && test x$jpg_lib != x; then
   360         echo "-- dynamic libjpeg -> $jpg_lib"
   361         AC_DEFINE_UNQUOTED(LOAD_JPG_DYNAMIC, "$jpg_lib")
   362     else
   363         IMG_LIBS="-ljpeg $IMG_LIBS"
   364     fi
   365 fi
   366 if test x$enable_png = xyes -a x$have_png_hdr = xyes -a x$have_png_lib = xyes; then
   367     CFLAGS="$LIBPNG_CFLAGS $CFLAGS"
   368     if test x$enable_png_shared = xyes && test x$png_lib != x; then
   369         echo "-- dynamic libpng -> $png_lib"
   370         AC_DEFINE_UNQUOTED(LOAD_PNG_DYNAMIC, "$png_lib")
   371     else
   372         IMG_LIBS="$LIBPNG_LIBS $IMG_LIBS"
   373     fi
   374 fi
   375 
   376 LIBS="$saved_LIBS"
   377 
   378 AC_SUBST([WINDRES])
   379 AC_SUBST([IMG_LIBS])
   380 
   381 OBJCFLAGS=$CFLAGS
   382 
   383 # Finally create all the generated files
   384 AC_OUTPUT([
   385 Makefile
   386 SDL2_image.spec
   387 SDL2_image.pc
   388 ])