dnl Process this file with autoconf to produce a configure script. AC_INIT(README.txt) dnl Set various version strings - taken gratefully from the GTk sources # Making releases: # MICRO_VERSION += 1; # INTERFACE_AGE += 1; # BINARY_AGE += 1; # if any functions have been added, set INTERFACE_AGE to 0. # if backwards compatibility has been broken, # set BINARY_AGE and INTERFACE_AGE to 0. MAJOR_VERSION=2 MINOR_VERSION=0 MICRO_VERSION=5 INTERFACE_AGE=3 BINARY_AGE=5 VERSION=$MAJOR_VERSION.$MINOR_VERSION.$MICRO_VERSION AC_SUBST(MAJOR_VERSION) AC_SUBST(MINOR_VERSION) AC_SUBST(MICRO_VERSION) AC_SUBST(INTERFACE_AGE) AC_SUBST(BINARY_AGE) AC_SUBST(VERSION) # libtool versioning LT_INIT([win32-dll]) LT_RELEASE=$MAJOR_VERSION.$MINOR_VERSION LT_CURRENT=`expr $MICRO_VERSION - $INTERFACE_AGE` LT_REVISION=$INTERFACE_AGE LT_AGE=`expr $BINARY_AGE - $INTERFACE_AGE` AC_SUBST(LT_RELEASE) AC_SUBST(LT_CURRENT) AC_SUBST(LT_REVISION) AC_SUBST(LT_AGE) dnl Detect the canonical build and host environments AC_CANONICAL_HOST dnl Setup for automake AM_INIT_AUTOMAKE(SDL2_image, $VERSION) dnl Check for tools AC_PROG_LIBTOOL AC_PROG_CC AC_PROG_OBJC AC_C_INLINE AC_PROG_INSTALL AC_PROG_MAKE_SET if test -z "$host_alias"; then hostaliaswindres= else hostaliaswindres="$host_alias-windres" fi AC_CHECK_PROGS(WINDRES, [windres $hostaliaswindres $host_os-windres]) case "$host" in *-*-beos*) ac_default_prefix=/boot/develop/tools/gnupro ;; *-*-cygwin* | *-*-mingw32*) if test "$build" != "$host"; then # cross-compiling # Default cross-compile location ac_default_prefix=/usr/local/cross-tools/$host else # Look for the location of the tools and install there if test "$BUILD_PREFIX" != ""; then ac_default_prefix=$BUILD_PREFIX fi fi if test x$WINDRES != x; then use_version_rc=true fi ;; *-*-darwin*) AC_ARG_ENABLE([imageio], [AC_HELP_STRING([--enable-imageio], [use native Mac OS X frameworks for loading images [default=yes]])], [], [enable_imageio=yes]) dnl Show a message when we use ImageIO support so it's not a surprise AC_MSG_CHECKING([for ImageIO support]) AC_MSG_RESULT($enable_imageio) if test x$enable_imageio = xyes; then IMG_LIBS="-Wl,-framework,ApplicationServices -lobjc $IMG_LIBS" else CFLAGS="$CFLAGS -DSDL_IMAGE_USE_COMMON_BACKEND" fi ;; esac AM_CONDITIONAL(USE_IMAGEIO, test x$enable_imageio = xyes) AM_CONDITIONAL(USE_VERSION_RC, test x$use_version_rc = xtrue) dnl set this to use on systems that use lib64 instead of lib base_libdir=`echo \${libdir} | sed 's/.*\/\(.*\)/\1/; q'` dnl Function to find a library in the compiler search path find_lib() { gcc_bin_path=[`$CC -print-search-dirs 2>/dev/null | fgrep programs: | sed 's/[^=]*=\(.*\)/\1/' | sed 's/:/ /g'`] gcc_lib_path=[`$CC -print-search-dirs 2>/dev/null | fgrep libraries: | sed 's/[^=]*=\(.*\)/\1/' | sed 's/:/ /g'`] env_lib_path=[`echo $LIBS $LDFLAGS $* | sed 's/-L[ ]*//g'`] if test "$cross_compiling" = yes; then host_lib_path="" else host_lib_path="/usr/$base_libdir /usr/local/$base_libdir" fi for path in $env_lib_path $gcc_bin_path $gcc_lib_path $host_lib_path; do lib=[`ls -- $path/$1 2>/dev/null | sed -e '/\.so\..*\./d' -e 's,.*/,,' | sort | tail -1`] if test x$lib != x; then echo $lib return fi done } dnl Check for SDL SDL_VERSION=2.0.8 AC_SUBST(SDL_VERSION) AM_PATH_SDL2($SDL_VERSION, :, AC_MSG_ERROR([*** SDL version $SDL_VERSION not found!]) ) CFLAGS="$CFLAGS $SDL_CFLAGS" LIBS="$LIBS $SDL_LIBS" saved_LIBS="$LIBS" dnl Check command-line options AC_ARG_ENABLE([bmp], [AC_HELP_STRING([--enable-bmp], [support loading BMP/ICO/CUR images [default=yes]])], [], [enable_bmp=yes]) AC_ARG_ENABLE([gif], [AC_HELP_STRING([--enable-gif], [support loading GIF images [default=yes]])], [], [enable_gif=yes]) AC_ARG_ENABLE([jpg], [AC_HELP_STRING([--enable-jpg], [support loading JPG images [default=yes]])], [], [enable_jpg=yes]) AC_ARG_ENABLE([jpg-shared], AC_HELP_STRING([--enable-jpg-shared], [dynamically load JPG support [[default=yes]]]), [], [enable_jpg_shared=yes]) AC_ARG_ENABLE([lbm], [AC_HELP_STRING([--enable-lbm], [support loading LBM images [default=yes]])], [], [enable_lbm=yes]) AC_ARG_ENABLE([pcx], [AC_HELP_STRING([--enable-pcx], [support loading PCX images [default=yes]])], [], [enable_pcx=yes]) AC_ARG_ENABLE([png], [AC_HELP_STRING([--enable-png], [support loading PNG images [default=yes]])], [], [enable_png=yes]) AC_ARG_ENABLE([png-shared], AC_HELP_STRING([--enable-png-shared], [dynamically load PNG support [[default=yes]]]), [], [enable_png_shared=yes]) AC_ARG_ENABLE([pnm], [AC_HELP_STRING([--enable-pnm], [support loading PNM images [default=yes]])], [], [enable_pnm=yes]) AC_ARG_ENABLE([svg], [AC_HELP_STRING([--enable-svg], [support loading SVG images [default=yes]])], [], [enable_svg=yes]) AC_ARG_ENABLE([tga], [AC_HELP_STRING([--enable-tga], [support loading TGA images [default=yes]])], [], [enable_tga=yes]) AC_ARG_ENABLE([tif], [AC_HELP_STRING([--enable-tif], [support loading TIFF images [default=yes]])], [], [enable_tif=yes]) AC_ARG_ENABLE([tif-shared], AC_HELP_STRING([--enable-tif-shared], [dynamically load TIFF support [[default=yes]]]), [], [enable_tif_shared=yes]) AC_ARG_ENABLE([xcf], [AC_HELP_STRING([--enable-xcf], [support loading XCF images [default=yes]])], [], [enable_xcf=yes]) AC_ARG_ENABLE([xpm], [AC_HELP_STRING([--enable-xpm], [support loading XPM images [default=yes]])], [], [enable_xpm=yes]) AC_ARG_ENABLE([xv], [AC_HELP_STRING([--enable-xv], [support loading XV images [default=yes]])], [], [enable_xv=yes]) AC_ARG_ENABLE([webp], [AC_HELP_STRING([--enable-webp], [support loading WEBP images [default=yes]])], [], [enable_webp=yes]) AC_ARG_ENABLE([webp-shared], AC_HELP_STRING([--enable-webp-shared], [dynamically load WEBP support [[default=yes]]]), [], [enable_webp_shared=yes]) if (test x$enable_jpg = xyes || test x$enable_tif = xyes) && test x$enable_imageio != xyes; then AC_CHECK_HEADER([jpeglib.h], [have_jpg_hdr=yes]) AC_CHECK_LIB([jpeg], [jpeg_CreateDecompress], [have_jpg_lib=yes]) if test x$have_jpg_hdr = xyes -a x$have_jpg_lib = xyes; then if test x$enable_jpg = xyes; then AC_DEFINE([LOAD_JPG]) fi LIBS="-ljpeg $LIBS" case "$host" in *-*-darwin*) jpg_lib=[`find_lib libjpeg.dylib`] ;; *-*-cygwin* | *-*-mingw32*) jpg_lib=[`find_lib "libjpeg*.dll"`] ;; *) jpg_lib=[`find_lib "libjpeg[0-9]*.so.*"`] if test x$jpg_lib = x; then jpg_lib=[`find_lib "libjpeg.so.*"`] fi ;; esac elif test x$enable_jpg = xyes; then AC_MSG_WARN([*** Unable to find JPEG library (http://www.ijg.org/)]) AC_MSG_WARN([JPG image loading disabled]) fi fi if test x$enable_png = xyes -a x$enable_imageio != xyes; then PKG_CHECK_MODULES([LIBPNG], [libpng], [dnl have_png_hdr=yes have_png_lib=yes ], [dnl AC_CHECK_HEADER([png.h], [ have_png_hdr=yes LIBPNG_CFLAGS="" ]) AC_CHECK_LIB([png], [png_create_read_struct], [ have_png_lib=yes LIBPNG_LIBS="-lpng -lz" ], [], [-lz]) ]) if test x$have_png_hdr = xyes -a x$have_png_lib = xyes; then AC_DEFINE([LOAD_PNG]) case "$host" in *-*-darwin*) png_lib=[`find_lib libpng.dylib`] ;; *-*-cygwin* | *-*-mingw32*) png_lib=[`find_lib "libpng*.dll"`] ;; *) png_lib=[`find_lib "libpng[0-9]*.so.*"`] if test x$png_lib = x; then png_lib=[`find_lib "libpng.so.*"`] fi ;; esac else AC_MSG_WARN([*** Unable to find PNG library (http://www.libpng.org/pub/png/libpng.html)]) AC_MSG_WARN([PNG image loading disabled]) fi fi if test x$enable_tif = xyes -a x$enable_imageio != xyes; then AC_CHECK_HEADER([tiffio.h], [have_tif_hdr=yes]) AC_CHECK_LIB([tiff], [TIFFClientOpen], [have_tif_lib=yes], [], [-lz]) if test x$have_tif_hdr = xyes -a x$have_tif_lib = xyes; then AC_DEFINE([LOAD_TIF]) case "$host" in *-*-darwin*) tif_lib=[`find_lib libtiff.dylib`] ;; *-*-cygwin* | *-*-mingw32*) tif_lib=[`find_lib "libtiff-*.dll"`] ;; *) tif_lib=[`find_lib "libtiff[0-9]*.so.*"`] if test x$tif_lib = x; then tif_lib=[`find_lib "libtiff.so.*"`] fi ;; esac else AC_MSG_WARN([*** Unable to find Tiff library (http://www.remotesensing.org/libtiff/)]) AC_MSG_WARN([TIF image loading disabled]) fi fi if test x$enable_webp = xyes; then PKG_CHECK_MODULES([LIBWEBP], [libwebp], [dnl have_webp_hdr=yes have_webp_lib=yes ], [dnl AC_CHECK_HEADER([webp/decode.h], [ have_webp_hdr=yes LIBWEBP_CFLAGS="" ]) AC_CHECK_LIB([webp], [WebPGetDecoderVersion], [ have_webp_lib=yes LIBWEBP_LIBS="-lwebp" ], [], [-lm]) ]) if test x$have_webp_hdr = xyes -a x$have_webp_lib = xyes; then AC_DEFINE([LOAD_WEBP]) case "$host" in *-*-darwin*) webp_lib=[`find_lib libwebp.dylib`] ;; *-*-cygwin* | *-*-mingw32*) webp_lib=[`find_lib "libwebp-*.dll"`] ;; *) webp_lib=[`find_lib "libwebp[0-9]*.so.*"`] if test x$webp_lib = x; then webp_lib=[`find_lib "libwebp.so.*"`] fi ;; esac else AC_MSG_WARN([*** Unable to find WEBP library (http://code.google.com/intl/en-US/speed/webp/index.html)]) AC_MSG_WARN([WEBP Pimage loading disabled]) fi fi if test x$enable_bmp = xyes; then AC_DEFINE([LOAD_BMP]) fi if test x$enable_gif = xyes; then AC_DEFINE([LOAD_GIF]) fi if test x$enable_lbm = xyes; then AC_DEFINE([LOAD_LBM]) fi if test x$enable_pcx = xyes; then AC_DEFINE([LOAD_PCX]) fi if test x$enable_pnm = xyes; then AC_DEFINE([LOAD_PNM]) fi if test x$enable_svg = xyes; then AC_DEFINE([LOAD_SVG]) fi if test x$enable_tga = xyes; then AC_DEFINE([LOAD_TGA]) fi if test x$enable_xcf = xyes; then AC_DEFINE([LOAD_XCF]) fi if test x$enable_xpm = xyes; then AC_DEFINE([LOAD_XPM]) fi if test x$enable_xv = xyes; then AC_DEFINE([LOAD_XV]) fi if test x$enable_webp = xyes -a x$have_webp_hdr = xyes -a x$have_webp_lib = xyes; then CFLAGS="$LIBWEBP_CFLAGS $CFLAGS" if test x$enable_webp_shared = xyes && test x$webp_lib != x; then echo "-- dynamic libwebp -> $webp_lib" AC_DEFINE_UNQUOTED(LOAD_WEBP_DYNAMIC, "$webp_lib") else IMG_LIBS="$LIBWEBP_LIBS $IMG_LIBS" fi fi if test x$enable_tif = xyes -a x$have_tif_hdr = xyes -a x$have_tif_lib = xyes; then if test x$enable_tif_shared = xyes && test x$tif_lib != x; then echo "-- dynamic libtiff -> $tif_lib" AC_DEFINE_UNQUOTED(LOAD_TIF_DYNAMIC, "$tif_lib") else if test x$have_libjpeg = xyes; then # Disable dynamic jpeg since we're linking it explicitly jpg_lib='' fi IMG_LIBS="-ltiff -lz $IMG_LIBS" fi fi if test x$enable_jpg = xyes -a x$have_jpg_hdr = xyes -a x$have_jpg_lib = xyes; then if test x$enable_jpg_shared = xyes && test x$jpg_lib != x; then echo "-- dynamic libjpeg -> $jpg_lib" AC_DEFINE_UNQUOTED(LOAD_JPG_DYNAMIC, "$jpg_lib") else IMG_LIBS="-ljpeg $IMG_LIBS" fi fi if test x$enable_png = xyes -a x$have_png_hdr = xyes -a x$have_png_lib = xyes; then CFLAGS="$LIBPNG_CFLAGS $CFLAGS" if test x$enable_png_shared = xyes && test x$png_lib != x; then echo "-- dynamic libpng -> $png_lib" AC_DEFINE_UNQUOTED(LOAD_PNG_DYNAMIC, "$png_lib") else IMG_LIBS="$LIBPNG_LIBS $IMG_LIBS" fi fi LIBS="$saved_LIBS" AC_SUBST([WINDRES]) AC_SUBST([IMG_LIBS]) OBJCFLAGS=$CFLAGS # Finally create all the generated files AC_OUTPUT([ Makefile SDL2_image.spec SDL2_image.pc ])