dnl -*- Autoconf -*- dnl Tag Image File Format (TIFF) Software dnl dnl Copyright (C) 2004, Andrey Kiselev dnl dnl Permission to use, copy, modify, distribute, and sell this software and dnl its documentation for any purpose is hereby granted without fee, provided dnl that (i) the above copyright notices and this permission notice appear in dnl all copies of the software and related documentation, and (ii) the names of dnl Sam Leffler and Silicon Graphics may not be used in any advertising or dnl publicity relating to the software without the specific, prior written dnl permission of Sam Leffler and Silicon Graphics. dnl dnl THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, dnl EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY dnl WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. dnl dnl IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR dnl ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, dnl OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, dnl WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF dnl LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE dnl OF THIS SOFTWARE. dnl Process this file with autoconf to produce a configure script. AC_PREREQ(2.64) AC_INIT([LibTIFF Software],[3.9.4],[tiff@lists.maptools.org],[tiff]) AC_CONFIG_AUX_DIR(config) AC_CONFIG_MACRO_DIR(m4) AC_LANG(C) dnl Compute the canonical target-system type variable AC_CANONICAL_TARGET AM_INIT_AUTOMAKE dnl Do not rebuild generated files every time AM_MAINTAINER_MODE dnl Versioning. dnl Don't fill the ALPHA_VERSION field, if not applicable. LIBTIFF_MAJOR_VERSION=3 LIBTIFF_MINOR_VERSION=9 LIBTIFF_MICRO_VERSION=4 LIBTIFF_ALPHA_VERSION= LIBTIFF_VERSION=$LIBTIFF_MAJOR_VERSION.$LIBTIFF_MINOR_VERSION.$LIBTIFF_MICRO_VERSION$LIBTIFF_ALPHA_VERSION dnl This will be used with the 'make release' target LIBTIFF_RELEASE_DATE=`date +"%Y%m%d"` # This is a special hack for OpenBSD and MirOS systems. The dynamic linker # in OpenBSD uses some special semantics for shared libraries. Their soname # contains only two numbers, major and minor. # See http://bugzilla.remotesensing.org/show_bug.cgi?id=838 for details. case "$target_os" in openbsd* | mirbsd*) LIBTIFF_VERSION_INFO=$LIBTIFF_MAJOR_VERSION$LIBTIFF_MINOR_VERSION:$LIBTIFF_MICRO_VERSION:0 ;; *) LIBTIFF_VERSION_INFO=$LIBTIFF_MAJOR_VERSION:$LIBTIFF_MINOR_VERSION:$LIBTIFF_MICRO_VERSION ;; esac AC_SUBST(LIBTIFF_MAJOR_VERSION) AC_SUBST(LIBTIFF_MINOR_VERSION) AC_SUBST(LIBTIFF_MICRO_VERSION) AC_SUBST(LIBTIFF_ALPHA_VERSION) AC_SUBST(LIBTIFF_VERSION) AC_SUBST(LIBTIFF_VERSION_INFO) AC_SUBST(LIBTIFF_RELEASE_DATE) # Ensure that make can run correctly AM_SANITY_CHECK dnl Checks for programs. AC_PROG_CC AC_PROG_CC_STDC AC_PROG_CPP LT_PATH_LD AM_PROG_CC_C_O LT_PATH_LD dnl We want warnings. As many warnings as possible. VL_PROG_CC_WARNINGS() AC_PROG_INSTALL AC_PROG_MAKE_SET AC_PROG_LN_S dnl Tests for Windows AC_EXEEXT AC_OBJEXT dnl initialize libtool LT_INIT([win32-dll]) LT_LANG([C++]) # Enable support for silent build rules AM_SILENT_RULES dnl Checks for libraries. AC_CHECK_LIB([c], [main]) dnl We don't need to add math library to all targets case "${host_os}" in cygwin* | mingw32* | beos* | darwin*) ;; *) AC_CHECK_LIB(m,sin,,,) ;; esac dnl Checks for header files. AC_CHECK_HEADERS([assert.h fcntl.h io.h limits.h malloc.h search.h sys/time.h unistd.h]) dnl Checks for typedefs, structures, and compiler characteristics. AC_C_CONST AC_C_INLINE AC_C_BIGENDIAN AC_TYPE_OFF_T AC_TYPE_SIZE_T AC_CHECK_SIZEOF(int) AC_CHECK_SIZEOF(long) AC_HEADER_TIME AC_STRUCT_TM dnl Some compilers (IBM VisualAge) has these types defined, so check it here: AC_CHECK_TYPES([int8, int16, int32],,, [ #if HAVE_INTTYPES_H # include #endif ]) # Obtain size of a 'signed long' and define as SIZEOF_SIGNED_LONG AC_CHECK_SIZEOF(signed long) # Obtain size of a 'unsigned long' and define as SIZEOF_UNSIGNED_LONG AC_CHECK_SIZEOF(unsigned long) # Obtain size of a 'long long' and define as SIZEOF_SIGNED_LONG_LONG. # If 'long long' is not supported then the value defined is zero. AC_CHECK_SIZEOF(signed long long) # Obtain size of a 'unsigned long long' and define as # SIZEOF_UNSIGNED_LONG_LONG. If 'unsigned long long' is not # supported then the value defined is zero. AC_CHECK_SIZEOF(unsigned long long) AC_MSG_CHECKING(for signed 64-bit type) INT64_T='none' INT64_FORMAT='none' if test $ac_cv_sizeof_signed_long -eq 8 then INT64_T='signed long' INT64_FORMAT='"%ld"' elif test $ac_cv_sizeof_signed_long_long -eq 8 then INT64_FORMAT='"%lld"' INT64_T='signed long long' fi AC_MSG_RESULT($INT64_T) AC_DEFINE_UNQUOTED(TIFF_INT64_T,$INT64_T,[Signed 64-bit type]) AC_DEFINE_UNQUOTED(TIFF_INT64_FORMAT,$INT64_FORMAT,[Signed 64-bit type formatter]) AC_MSG_CHECKING(for unsigned 64-bit type) UINT64_T='none' UINT64_FORMAT='none' if test $ac_cv_sizeof_unsigned_long -eq 8 then UINT64_T='unsigned long' UINT64_FORMAT='"%lu"' elif test $ac_cv_sizeof_unsigned_long_long -eq 8 then UINT64_T='unsigned long long' UINT64_FORMAT='"%llu"' fi AC_MSG_RESULT($UINT64_T) AC_DEFINE_UNQUOTED(TIFF_UINT64_T,$UINT64_T,[Unsigned 64-bit type]) AC_DEFINE_UNQUOTED(TIFF_UINT64_FORMAT,$UINT64_FORMAT,[Unsigned 64-bit type formatter]) dnl Checks for library functions. AC_CHECK_FUNCS([floor isascii memmove memset mmap pow setmode sqrt strchr strrchr strstr strtol]) dnl Will use local replacements for unavailable functions AC_REPLACE_FUNCS(getopt) AC_REPLACE_FUNCS(strcasecmp) AC_REPLACE_FUNCS(strtoul) AC_REPLACE_FUNCS(lfind) dnl --------------------------------------------------------------------------- dnl Check the native cpu bit order. dnl --------------------------------------------------------------------------- AC_MSG_CHECKING([native cpu bit order]) case "$target_cpu" in i*86*|x86_64*) HOST_FILLORDER=FILLORDER_LSB2MSB AC_MSG_RESULT([lsb2msb]) ;; *) HOST_FILLORDER=FILLORDER_MSB2LSB AC_MSG_RESULT([msb2lsb]) ;; esac AC_DEFINE_UNQUOTED(HOST_FILLORDER, $HOST_FILLORDER, [Set the native cpu bit order (FILLORDER_LSB2MSB or FILLORDER_MSB2LSB)]) dnl --------------------------------------------------------------------------- dnl Configure legacy tifconf.h HOST_BIGENDIAN. dnl --------------------------------------------------------------------------- if test "$ac_cv_c_bigendian" = yes ; then HOST_BIGENDIAN=1 else HOST_BIGENDIAN=0 fi AC_DEFINE_UNQUOTED(HOST_BIGENDIAN,$HOST_BIGENDIAN,[Native cpu byte order: 1 if big-endian (Motorola) or 0 if little-endian (Intel)]) dnl --------------------------------------------------------------------------- dnl Make the POSIX.2 features available. dnl --------------------------------------------------------------------------- #_POSIX_C_SOURCE=2 #AC_DEFINE_UNQUOTED(_POSIX_C_SOURCE, $_POSIX_C_SOURCE, [Define this macro to a positive integer to control which POSIX functionality is made available.]) dnl --------------------------------------------------------------------------- dnl Set the floating point format. dnl FIXME: write appropriate test. dnl --------------------------------------------------------------------------- HAVE_IEEEFP=1 AC_DEFINE_UNQUOTED(HAVE_IEEEFP, $HAVE_IEEEFP, [Define as 0 or 1 according to the floating point format suported by the machine]) dnl --------------------------------------------------------------------------- dnl Enable run-time paths to libraries usage. dnl --------------------------------------------------------------------------- AC_ARG_ENABLE(rpath, AS_HELP_STRING([--enable-rpath], [Enable runtime linker paths (-R libtool option)]), [HAVE_RPATH=$enableval], [HAVE_RPATH=no]) AM_CONDITIONAL(HAVE_RPATH, test "$HAVE_RPATH" = "yes") dnl --------------------------------------------------------------------------- dnl Support large files. dnl --------------------------------------------------------------------------- AC_SYS_LARGEFILE dnl --------------------------------------------------------------------------- dnl Point to path where we should install documentation. dnl --------------------------------------------------------------------------- LIBTIFF_DOCDIR=\${prefix}/share/doc/${PACKAGE}-${LIBTIFF_VERSION} AC_ARG_WITH(docdir, AS_HELP_STRING([--with-docdir=DIR], [directory where documentation should be installed]),,) if test "x$with_docdir" != "x" ; then LIBTIFF_DOCDIR=$with_docdir fi AC_SUBST(LIBTIFF_DOCDIR) dnl --------------------------------------------------------------------------- dnl Switch on/off internal codecs. dnl --------------------------------------------------------------------------- AC_ARG_ENABLE(ccitt, AS_HELP_STRING([--disable-ccitt], [disable support for CCITT Group 3 & 4 algorithms]), [HAVE_CCITT=$enableval], [HAVE_CCITT=yes]) if test "$HAVE_CCITT" = "yes" ; then AC_DEFINE(CCITT_SUPPORT,1,[Support CCITT Group 3 & 4 algorithms]) fi AC_ARG_ENABLE(packbits, AS_HELP_STRING([--disable-packbits], [disable support for Macintosh PackBits algorithm]), [HAVE_PACKBITS=$enableval], [HAVE_PACKBITS=yes]) if test "$HAVE_PACKBITS" = "yes" ; then AC_DEFINE(PACKBITS_SUPPORT,1,[Support Macintosh PackBits algorithm]) fi AC_ARG_ENABLE(lzw, AS_HELP_STRING([--disable-lzw], [disable support for LZW algorithm]), [HAVE_LZW=$enableval], [HAVE_LZW=yes]) if test "$HAVE_LZW" = "yes" ; then AC_DEFINE(LZW_SUPPORT,1,[Support LZW algorithm]) fi AC_ARG_ENABLE(thunder, AS_HELP_STRING([--disable-thunder], [disable support for ThunderScan 4-bit RLE algorithm]), [HAVE_THUNDER=$enableval], [HAVE_THUNDER=yes]) if test "$HAVE_THUNDER" = "yes" ; then AC_DEFINE(THUNDER_SUPPORT,1,[Support ThunderScan 4-bit RLE algorithm]) fi HAVE_NEXT=yes AC_ARG_ENABLE(next, AS_HELP_STRING([--disable-next], [disable support for NeXT 2-bit RLE algorithm]), [HAVE_NEXT=$enableval], [HAVE_NEXT=yes]) if test "$HAVE_NEXT" = "yes" ; then AC_DEFINE(NEXT_SUPPORT,1,[Support NeXT 2-bit RLE algorithm]) fi AC_ARG_ENABLE(logluv, AS_HELP_STRING([--disable-logluv], [disable support for LogLuv high dynamic range encoding]), [HAVE_LOGLUV=$enableval], [HAVE_LOGLUV=yes]) if test "$HAVE_LOGLUV" = "yes" ; then AC_DEFINE(LOGLUV_SUPPORT,1,[Support LogLuv high dynamic range encoding]) fi dnl --------------------------------------------------------------------------- dnl Switch on/off support for Microsoft Document Imaging dnl --------------------------------------------------------------------------- AC_ARG_ENABLE(mdi, AS_HELP_STRING([--disable-mdi], [disable support for Microsoft Document Imaging]), [HAVE_MDI=$enableval], [HAVE_MDI=yes]) if test "$HAVE_MDI" = "yes" ; then AC_DEFINE(MDI_SUPPORT,1,[Support Microsoft Document Imaging format]) fi dnl --------------------------------------------------------------------------- dnl Check for ZLIB. dnl --------------------------------------------------------------------------- HAVE_ZLIB=no AC_ARG_ENABLE(zlib, AS_HELP_STRING([--disable-zlib], [disable Zlib usage (required for Deflate compression, enabled by default)]),,) AC_ARG_WITH(zlib-include-dir, AS_HELP_STRING([--with-zlib-include-dir=DIR], [location of Zlib headers]),,) AC_ARG_WITH(zlib-lib-dir, AS_HELP_STRING([--with-zlib-lib-dir=DIR], [location of Zlib library binary]),,) if test "x$enable_zlib" != "xno" ; then if test "x$with_zlib_lib_dir" != "x" ; then LDFLAGS="-L$with_zlib_lib_dir $LDFLAGS" fi AC_CHECK_LIB(z, inflateEnd, [zlib_lib=yes], [zlib_lib=no],) if test "$zlib_lib" = "no" -a "x$with_zlib_lib_dir" != "x"; then AC_MSG_ERROR([Zlib library not found at $with_zlib_lib_dir]) fi if test "x$with_zlib_include_dir" != "x" ; then CPPFLAGS="-I$with_zlib_include_dir $CPPFLAGS" fi AC_CHECK_HEADER(zlib.h, [zlib_h=yes], [zlib_h=no]) if test "$zlib_h" = "no" -a "x$with_zlib_include_dir" != "x" ; then AC_MSG_ERROR([Zlib headers not found at $with_zlib_include_dir]) fi if test "$zlib_lib" = "yes" -a "$zlib_h" = "yes" ; then HAVE_ZLIB=yes fi fi if test "$HAVE_ZLIB" = "yes" ; then AC_DEFINE(ZIP_SUPPORT,1,[Support Deflate compression]) LIBS="-lz $LIBS" if test "$HAVE_RPATH" = "yes" -a "x$with_zlib_lib_dir" != "x" ; then LIBDIR="-R $with_zlib_lib_dir $LIBDIR" fi fi dnl --------------------------------------------------------------------------- dnl Check for Pixar log-format algorithm. dnl --------------------------------------------------------------------------- AC_ARG_ENABLE(pixarlog, AS_HELP_STRING([--disable-pixarlog], [disable support for Pixar log-format algorithm (requires Zlib)]), [HAVE_PIXARLOG=$enableval], [HAVE_PIXARLOG=yes]) if test "$HAVE_ZLIB" = "yes" -a "$HAVE_PIXARLOG" = "yes" ; then AC_DEFINE(PIXARLOG_SUPPORT, 1, [Support Pixar log-format algorithm (requires Zlib)]) else HAVE_PIXARLOG=no fi dnl --------------------------------------------------------------------------- dnl Check for JPEG. dnl --------------------------------------------------------------------------- HAVE_JPEG=no AC_ARG_ENABLE(jpeg, AS_HELP_STRING([--disable-jpeg], [disable IJG JPEG library usage (required for JPEG compression, enabled by default)]),,) AC_ARG_WITH(jpeg-include-dir, AS_HELP_STRING([--with-jpeg-include-dir=DIR], [location of IJG JPEG library headers]),,) AC_ARG_WITH(jpeg-lib-dir, AS_HELP_STRING([--with-jpeg-lib-dir=DIR], [location of IJG JPEG library binary]),,) if test "x$enable_jpeg" != "xno" ; then if test "x$with_jpeg_lib_dir" != "x" ; then LDFLAGS="-L$with_jpeg_lib_dir $LDFLAGS" fi AC_CHECK_LIB(jpeg, jpeg_read_scanlines, [jpeg_lib=yes], [jpeg_lib=no],) if test "$jpeg_lib" = "no" -a "x$with_jpeg_lib_dir" != "x" ; then AC_MSG_ERROR([IJG JPEG library not found at $with_jpeg_lib_dir]) fi if test "x$with_jpeg_include_dir" != "x" ; then CPPFLAGS="-I$with_jpeg_include_dir $CPPFLAGS" fi AC_CHECK_HEADER(jpeglib.h, [jpeg_h=yes], [jpeg_h=no]) if test "$jpeg_h" = "no" -a "x$with_jpeg_include_dir" != "x" ; then AC_MSG_ERROR([IJG JPEG library headers not found at $with_jpeg_include_dir]) fi if test "$jpeg_lib" = "yes" -a "$jpeg_h" = "yes" ; then HAVE_JPEG=yes fi fi if test "$HAVE_JPEG" = "yes" ; then AC_DEFINE(JPEG_SUPPORT,1,[Support JPEG compression (requires IJG JPEG library)]) LIBS="-ljpeg $LIBS" if test "$HAVE_RPATH" = "yes" -a "x$with_jpeg_lib_dir" != "x" ; then LIBDIR="-R $with_jpeg_lib_dir $LIBDIR" fi fi dnl --------------------------------------------------------------------------- dnl Check for Old JPEG. dnl --------------------------------------------------------------------------- AC_ARG_ENABLE(old-jpeg, AS_HELP_STRING([--disable-old-jpeg], [disable support for Old JPEG compresson (read-only, enabled by default)]), [HAVE_OJPEG=${enableval}], [HAVE_OJPEG=yes]) if test "$HAVE_JPEG" = "yes" -a "$HAVE_OJPEG" = "yes" ; then AC_DEFINE(OJPEG_SUPPORT, 1, [Support Old JPEG compresson (read-only)]) else HAVE_OJPEG=no fi dnl --------------------------------------------------------------------------- dnl Check for JBIG-KIT. dnl --------------------------------------------------------------------------- HAVE_JBIG=no AC_ARG_ENABLE(jbig, AS_HELP_STRING([--disable-jbig], [disable JBIG-KIT usage (required for ISO JBIG compression, enabled by default)]),,) AC_ARG_WITH(jbig-include-dir, AS_HELP_STRING([--with-jbig-include-dir=DIR], [location of JBIG-KIT headers]),,) AC_ARG_WITH(jbig-lib-dir, AS_HELP_STRING([--with-jbig-lib-dir=DIR], [location of JBIG-KIT library binary]),,) if test "x$enable_jbig" != "xno" ; then if test "x$with_jbig_lib_dir" != "x" ; then LDFLAGS="-L$with_jbig_lib_dir $LDFLAGS" fi AC_CHECK_LIB(jbig, jbg_dec_init, [jbig_lib=yes], [jbig_lib=no],) if test "$jbig_lib" = "no" -a "x$with_jbig_lib_dir" != "x" ; then AC_MSG_ERROR([JBIG-KIT library not found at $with_jbig_lib_dir]) fi if test "x$with_jbig_include_dir" != "x" ; then CPPFLAGS="-I$with_jbig_include_dir $CPPFLAGS" fi AC_CHECK_HEADER(jbig.h, [jbig_h=yes], [jbig_h=no]) if test "$jbig_h" = "no" -a "x$with_jbig_include_dir" != "x" ; then AC_MSG_ERROR([JBIG-KIT library headers not found at $with_jbig_include_dir]) fi if test "$jbig_lib" = "yes" -a "$jbig_h" = "yes" ; then HAVE_JBIG=yes fi fi if test "$HAVE_JBIG" = "yes" ; then AC_DEFINE(JBIG_SUPPORT,1,[Support ISO JBIG compression (requires JBIG-KIT library)]) LIBS="-ljbig $LIBS" if test "$HAVE_RPATH" = "yes" -a "x$with_jbig_lib_dir" != "x" ; then LIBDIR="-R $with_jbig_lib_dir $LIBDIR" fi # Older versions of jbigkit lack jbg_newlen AC_CHECK_FUNCS([jbg_newlen]) fi dnl --------------------------------------------------------------------------- dnl Check for C++. dnl --------------------------------------------------------------------------- AC_ARG_ENABLE(cxx, AS_HELP_STRING([--enable-cxx], [enable C++ stream API building (requires C++ compiler)]), [HAVE_CXX=$enableval], [HAVE_CXX=yes]) if test "$HAVE_CXX" = "yes" ; then AC_DEFINE(CXX_SUPPORT, 1, [Support C++ stream API (requires C++ compiler)]) else HAVE_CXX=no fi AM_CONDITIONAL(HAVE_CXX, test "$HAVE_CXX" = "yes") dnl --------------------------------------------------------------------------- dnl Check for OpenGL and GLUT. dnl --------------------------------------------------------------------------- HAVE_OPENGL=no AC_PATH_XTRA AX_CHECK_GL AX_CHECK_GLU AX_CHECK_GLUT if test "$no_x" != "yes" -a "$no_gl" != "yes" \ -a "$no_glu" != "yes" -a "$no_glut" != "yes" ; then HAVE_OPENGL=yes fi AM_CONDITIONAL(HAVE_OPENGL, test "$HAVE_OPENGL" = "yes") dnl --------------------------------------------------------------------------- dnl Check for X Athena Widgets dnl --------------------------------------------------------------------------- dnl HAVE_XAW=no dnl ICE_FIND_ATHENA dnl if test "$no_xaw" != "yes" ; then dnl HAVE_XAW=yes dnl fi dnl AM_CONDITIONAL(HAVE_XAW, test "$HAVE_XAW" = "yes") dnl =========================================================================== dnl ``Orthogonal Features'' dnl =========================================================================== dnl --------------------------------------------------------------------------- dnl Default handling of strip chopping support. dnl --------------------------------------------------------------------------- AC_ARG_ENABLE(strip-chopping, AS_HELP_STRING([--disable-strip-chopping], [disable support for strip chopping (whether or not to convert single-strip uncompressed images to mutiple strips of specified size to reduce memory usage)]), [HAVE_STRIPCHOP=$enableval], [HAVE_STRIPCHOP=yes]) AC_ARG_WITH(default-strip-size, AS_HELP_STRING([--with-default-strip-size=SIZE], [default size of the strip in bytes (when strip chopping enabled) [[default=8192]]]),,) if test "$HAVE_STRIPCHOP" = "yes" \ -a "x$with_default_strip_size" != "xno"; then AC_DEFINE(STRIPCHOP_DEFAULT,TIFF_STRIPCHOP,[Support strip chopping (whether or not to convert single-strip uncompressed images to mutiple strips of specified size to reduce memory usage)]) if test "x$with_default_strip_size" = "x" \ -o "x$with_default_strip_size" = "xyes"; then with_default_strip_size="8192" fi AC_DEFINE_UNQUOTED(STRIP_SIZE_DEFAULT,$with_default_strip_size,[Default size of the strip in bytes (when strip chopping enabled)]) fi dnl --------------------------------------------------------------------------- dnl Default subifd support. dnl --------------------------------------------------------------------------- AC_DEFINE(SUBIFD_SUPPORT,1,[Enable SubIFD tag (330) support]) dnl --------------------------------------------------------------------------- dnl Default handling of ASSOCALPHA support. dnl --------------------------------------------------------------------------- AC_ARG_ENABLE(extrasample-as-alpha, AS_HELP_STRING([--disable-extrasample-as-alpha], [the RGBA interface will treat a fourth sample with no EXTRASAMPLE_ value as being ASSOCALPHA. Many packages produce RGBA files but don't mark the alpha properly]), [HAVE_EXTRASAMPLE_AS_ALPHA=$enableval], [HAVE_EXTRASAMPLE_AS_ALPHA=yes]) if test "$HAVE_EXTRASAMPLE_AS_ALPHA" = "yes" ; then AC_DEFINE(DEFAULT_EXTRASAMPLE_AS_ALPHA, 1, [Treat extra sample as alpha (default enabled). The RGBA interface will treat a fourth sample with no EXTRASAMPLE_ value as being ASSOCALPHA. Many packages produce RGBA files but don't mark the alpha properly.]) fi dnl --------------------------------------------------------------------------- dnl Default handling of YCbCr subsampling support. dnl See Bug 168 in Bugzilla, and JPEGFixupTestSubsampling() for details. dnl --------------------------------------------------------------------------- AC_ARG_ENABLE(check-ycbcr-subsampling, AS_HELP_STRING([--disable-check-ycbcr-subsampling], [disable picking up YCbCr subsampling info from the JPEG data stream to support files lacking the tag]), [CHECK_JPEG_YCBCR_SUBSAMPLING=$enableval], [CHECK_JPEG_YCBCR_SUBSAMPLING=yes]) if test "$CHECK_JPEG_YCBCR_SUBSAMPLING" = "yes" ; then AC_DEFINE(CHECK_JPEG_YCBCR_SUBSAMPLING, 1, [Pick up YCbCr subsampling info from the JPEG data stream to support files lacking the tag (default enabled).]) fi dnl --------------------------------------------------------------------------- AC_SUBST(LIBDIR) AC_CONFIG_HEADERS([libtiff/tif_config.h libtiff/tiffconf.h]) AC_CONFIG_FILES([Makefile \ build/Makefile \ contrib/Makefile \ contrib/acorn/Makefile \ contrib/addtiffo/Makefile \ contrib/dbs/Makefile \ contrib/dbs/xtiff/Makefile \ contrib/iptcutil/Makefile \ contrib/mac-cw/Makefile \ contrib/mac-mpw/Makefile \ contrib/mfs/Makefile \ contrib/pds/Makefile \ contrib/ras/Makefile \ contrib/stream/Makefile \ contrib/tags/Makefile \ contrib/win_dib/Makefile \ html/Makefile \ html/images/Makefile \ html/man/Makefile \ libtiff/Makefile \ man/Makefile \ port/Makefile \ test/Makefile \ tools/Makefile]) AC_OUTPUT dnl --------------------------------------------------------------------------- dnl Display configuration status dnl --------------------------------------------------------------------------- LOC_MSG() LOC_MSG([Libtiff is now configured for ${host}]) LOC_MSG() LOC_MSG([ Installation directory: ${prefix}]) LOC_MSG([ Documentation directory: ${LIBTIFF_DOCDIR}]) LOC_MSG([ C compiler: ${CC} ${CFLAGS}]) LOC_MSG([ C++ compiler: ${CXX} ${CXXFLAGS}]) LOC_MSG([ Enable runtime linker paths: ${HAVE_RPATH}]) LOC_MSG([ Support Microsoft Document Imaging: ${HAVE_MDI}]) LOC_MSG() LOC_MSG([ Support for internal codecs:]) LOC_MSG([ CCITT Group 3 & 4 algorithms: ${HAVE_CCITT}]) LOC_MSG([ Macintosh PackBits algorithm: ${HAVE_PACKBITS}]) LOC_MSG([ LZW algorithm: ${HAVE_LZW}]) LOC_MSG([ ThunderScan 4-bit RLE algorithm: ${HAVE_THUNDER}]) LOC_MSG([ NeXT 2-bit RLE algorithm: ${HAVE_NEXT}]) LOC_MSG([ LogLuv high dynamic range encoding: ${HAVE_LOGLUV}]) LOC_MSG() LOC_MSG([ Support for external codecs:]) LOC_MSG([ ZLIB support: ${HAVE_ZLIB}]) LOC_MSG([ Pixar log-format algorithm: ${HAVE_PIXARLOG}]) LOC_MSG([ JPEG support: ${HAVE_JPEG}]) LOC_MSG([ Old JPEG support: ${HAVE_OJPEG}]) LOC_MSG([ ISO JBIG support: ${HAVE_JBIG}]) LOC_MSG() LOC_MSG([ C++ support: ${HAVE_CXX}]) LOC_MSG() dnl LOC_MSG([ X Athena Widgets support: ${HAVE_XAW}]) LOC_MSG([ OpenGL support: ${HAVE_OPENGL}]) LOC_MSG()