dnl                                               -*- Autoconf -*-

dnl Tag Image File Format (TIFF) Software

dnl

dnl Copyright (C) 2004, Andrey Kiselev <dron@ak4719.spb.edu>

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(2.59)

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 \