dnl                                               -*- Autoconf -*-+
−
dnl Tag Image File Format (TIFF) Software+
−
dnl+
−
dnl Copyright (C) 2004, Andrey Kiselev <dron@ak4719.spb.edu>+
−
dnl+
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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+
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dnl all copies of the software and related documentation, and (ii) the names of+
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dnl Sam Leffler and Silicon Graphics may not be used in any advertising or+
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dnl publicity relating to the software without the specific, prior written+
−
dnl permission of Sam Leffler and Silicon Graphics.+
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dnl +
−
dnl THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, +
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dnl EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY +
−
dnl WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.  +
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dnl +
−
dnl IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR+
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dnl ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,+
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dnl OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,+
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dnl WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF +
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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(2.59)+
−
AC_INIT([LibTIFF Software], 3.8.2, [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=8+
−
LIBTIFF_MICRO_VERSION=2+
−
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$LIBTIFF_ALPHA_VERSION:0+
−
	;;+
−
    *)+
−
	LIBTIFF_VERSION_INFO=$LIBTIFF_MAJOR_VERSION:$LIBTIFF_MINOR_VERSION:$LIBTIFF_MICRO_VERSION$LIBTIFF_ALPHA_VERSION+
−
	;;+
−
esac+
−
+
−
AC_SUBST(LIBTIFF_MAJOR_VERSION)+
−
AC_SUBST(LIBTIFF_MINOR_VERSION)+
−
AC_SUBST(LIBTIFF_MICRO_VERSION)+
−
AC_SUBST(LIBTIFF_ALPHA_VERSION)+
−
AC_SUBST(LIBTIFF_VERSION)+
−
AC_SUBST(LIBTIFF_VERSION_INFO)+
−
AC_SUBST(LIBTIFF_RELEASE_DATE)+
−
+
−
dnl Checks for programs.+
−
AC_PROG_CC+
−
AM_PROG_CC_C_O+
−
+
−
dnl We want warnings. As many warnings as possible.+
−
VL_PROG_CC_WARNINGS()+
−
+
−
AC_PROG_INSTALL+
−
AC_PROG_LN_S+
−
AC_PROG_LIBTOOL+
−
AC_LIBTOOL_WIN32_DLL+
−
+
−
dnl Checks for libraries.+
−
AC_CHECK_LIB([c], [main])+
−
+
−
dnl We don't need to add math library at all targets+
−
case "$target_os" in+
−
    cygwin* | mingw32* | beos* | darwin*)+
−
        ;;+
−
    *)+
−
	AC_CHECK_LIB(m,main,,,)+
−
        ;;+
−
esac+
−
+
−
dnl Checks for header files.+
−
AC_CHECK_HEADERS([assert.h fcntl.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 <inttypes.h>+
−
#endif+
−
])+
−
+
−
dnl Checks for library functions.+
−
AC_CHECK_FUNCS([floor isascii memmove memset mmap pow 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*)+
−
        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 $LIBDIR"+
−
  fi+
−
+
−
fi+
−
+
−
dnl ---------------------------------------------------------------------------+
−
dnl Check for Old JPEG.+
−
dnl ---------------------------------------------------------------------------+
−
+
−
AC_ARG_ENABLE(old-jpeg,+
−
	      AS_HELP_STRING([--enable-old-jpeg],+
−
			     [enable support for Old JPEG compresson (read contrib/ojpeg/README first! Compilation fails with unpatched IJG JPEG library)]),+
−
	      [HAVE_OJPEG=$enableval], [HAVE_OJPEG=no])+
−
+
−
if test "$HAVE_JPEG" = "yes" -a "$HAVE_OJPEG" = "yes" ; then+
−
  AC_DEFINE(OJPEG_SUPPORT, 1,+
−
	    [Support Old JPEG compresson (read contrib/ojpeg/README first! Compilation fails with unpatched IJG JPEG library)])+
−
else+
−
  HAVE_OJPEG=no+
−
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 ``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 \+
−
		 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/ojpeg/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()+
−
LOC_MSG([  C++ support:                        ${HAVE_CXX}])+
−
LOC_MSG()+
−
LOC_MSG([  OpenGL support:                     ${HAVE_OPENGL}])+
−
LOC_MSG()+
−
+
−