dnl                                               -*- Autoconf -*-

dnl Tag Image File Format (TIFF) Software

dnl

dnl Copyright (C) 2004, Andrey Kiselev <dron@ak4719.spb.edu></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(2.64)

AC_INIT([LibTIFF Software],[4.0.3],[tiff@lists.maptools.org],[tiff])

AC_CONFIG_AUX_DIR(config)

AC_CONFIG_MACRO_DIR(m4)

AC_LANG(C)

dnl Compute the canonical host (run-time) system type variable

AC_CANONICAL_HOST

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=4

LIBTIFF_MINOR_VERSION=0

LIBTIFF_MICRO_VERSION=3

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"`

dnl Libtool library revision control info

dnl See the libtool documentation under the heading "Libtool's versioning

dnl system" in order to understand the meaning of these fields

dnl

dnl current

dnl      The most recent interface number that this library implements.

dnl revision

dnl      The implementation number of the current interface.

dnl age

dnl      The difference between the newest and oldest interfaces that

dnl      this library implements. In other words, the library implements

dnl      all the interface numbers in the range from number current -

dnl      age to current.

dnl

dnl Here are a set of rules to help you update your library version

dnl information:

dnl

dnl  1. Start with version information of `0:0:0' for each libtool library.

dnl  2. Update the version information only immediately before a public

dnl     release of your software. More frequent updates are unnecessary, and

dnl     only guarantee that the current interface number gets larger faster.

dnl  3. If the library source code has changed at all since the last update,

dnl     then increment revision (`c:r:a' becomes `c:r+1:a').

dnl  4. If any interfaces have been added, removed, or changed since the last

dnl     update, increment current, and set revision to 0.

dnl  5. If any interfaces have been added since the last public release, then

dnl     increment age.

dnl  6. If any interfaces have been removed since the last public release,

dnl     then set age to 0.                                

LIBTIFF_CURRENT=7

LIBTIFF_REVISION=0

LIBTIFF_AGE=2

LIBTIFF_VERSION_INFO=$LIBTIFF_CURRENT:$LIBTIFF_REVISION:$LIBTIFF_AGE

# 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 "$host_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)

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

# Check if LD supports linker scripts, and define automake conditional

# HAVE_LD_VERSION_SCRIPT if so.  This functionality is currently

# constrained to compilers using GNU ld on ELF systems or systems

# which provide an adequate emulation thereof.

AC_ARG_ENABLE([ld-version-script],

  AS_HELP_STRING([--enable-ld-version-script],

    [enable linker version script (default is disabled)]),

    [have_ld_version_script=$enableval], [have_ld_version_script=no])

if test "$have_ld_version_script" != no; then

  AC_MSG_CHECKING([if LD -Wl,--version-script works])

  save_LDFLAGS="$LDFLAGS"

  LDFLAGS="$LDFLAGS -Wl,--version-script=conftest.map"

  cat > conftest.map <

VERS_1 {

        global: sym;

};

VERS_2 {

        global: sym;

} VERS_1;

EOF

  AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],

                 [have_ld_version_script=yes], [have_ld_version_script=no])

  rm -f conftest.map

  LDFLAGS="$save_LDFLAGS"

  AC_MSG_RESULT($have_ld_version_script)

fi

AM_CONDITIONAL(HAVE_LD_VERSION_SCRIPT, test "$have_ld_version_script" = "yes")

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 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

tiff_libs_private=

AC_SUBST(tiff_libs_private)

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_HEADER_TIME

AC_STRUCT_TM

dnl ---------------------------------------------------------------------------

dnl Compute sized types for current CPU and compiler options

dnl ---------------------------------------------------------------------------

# Obtain size of an 'signed short' and define as SIZEOF_SIGNED_SHORT

AC_CHECK_SIZEOF(signed short)

# Obtain size of an 'unsigned short' and define as SIZEOF_UNSIGNED_SHORT

AC_CHECK_SIZEOF(unsigned short)

# Obtain size of an 'signed int' and define as SIZEOF_SIGNED_INT

AC_CHECK_SIZEOF(signed int)

# Obtain size of an 'unsigned int' and define as SIZEOF_UNSIGNED_INT

AC_CHECK_SIZEOF(unsigned int)

# 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)

# Obtain the size of an 'unsigned char *' and define as

# SIZEOF_UNSIGNED_CHAR_P.  Result is available in

# ac_cv_sizeof_unsigned_char_p.

AC_CHECK_SIZEOF(unsigned char *)

AC_MSG_CHECKING(for signed 8-bit type)

INT8_T='signed char'

AC_MSG_RESULT($INT8_T)

AC_DEFINE_UNQUOTED(TIFF_INT8_T,$INT8_T,[Signed 8-bit type])

AC_MSG_CHECKING(for unsigned 8-bit type)

UINT8_T='unsigned char'

AC_MSG_RESULT($UINT8_T)

AC_DEFINE_UNQUOTED(TIFF_UINT8_T,$UINT8_T,[Unsigned 8-bit type])

AC_MSG_CHECKING(for signed 16-bit type)

INT16_T='signed short'

AC_MSG_RESULT($INT16_T)

AC_DEFINE_UNQUOTED(TIFF_INT16_T,$INT16_T,[Signed 16-bit type])

AC_MSG_CHECKING(for unsigned 16-bit type)

UINT16_T='unsigned short'

AC_MSG_RESULT($UINT16_T)

AC_DEFINE_UNQUOTED(TIFF_UINT16_T,$UINT16_T,[Unsigned 16-bit type])

AC_MSG_CHECKING(for signed 32-bit type)

INT32_T='none'

INT32_FORMAT='none'

if test $ac_cv_sizeof_signed_int -eq 4

then

  INT32_T='signed int'

  INT32_FORMAT='"%d"'

elif test $ac_cv_sizeof_signed_long -eq 4

then

  INT32_T='signed long'

  INT32_FORMAT='"%ld"'

fi

AC_MSG_RESULT($INT32_T)

AC_DEFINE_UNQUOTED(TIFF_INT32_T,$INT32_T,[Signed 32-bit type])

AC_DEFINE_UNQUOTED(TIFF_INT32_FORMAT,$INT32_FORMAT,[Signed 32-bit type formatter])

AC_MSG_CHECKING(for unsigned 32-bit type)

UINT32_T='none'

UINT32_FORMAT='none'

if test $ac_cv_sizeof_unsigned_int -eq 4

then

  UINT32_T='unsigned int'

  UINT32_FORMAT='"%u"'

elif test $ac_cv_sizeof_unsigned_long -eq 4

then

  UINT32_T='unsigned long'

  UINT32_FORMAT='"%lu"'

fi

AC_MSG_RESULT($UINT32_T)

AC_DEFINE_UNQUOTED(TIFF_UINT32_T,$UINT32_T,[Unsigned 32-bit type])

AC_DEFINE_UNQUOTED(TIFF_UINT32_FORMAT,$UINT32_FORMAT,[Unsigned 32-bit type formatter])

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_T='signed long long'

  case "${host_os}" in

    mingw32*)

      # MinGW32 understands 'long long', but uses printf from WIN32 CRT

      INT64_FORMAT='"%I64d"'

      ;;

    *)

      INT64_FORMAT='"%lld"'

      ;;

  esac

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'

  case "${host_os}" in

    mingw32*)

      # MinGW32 understands 'unsigned long long', but uses printf from WIN32 CRT

      UINT64_FORMAT='"%I64u"'

      ;;

    *)

      UINT64_FORMAT='"%llu"'

      ;;

  esac

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])

# Determine TIFF equivalent of ssize_t

AC_MSG_CHECKING(for signed size type)

SSIZE_T='unknown'

SSIZE_FORMAT='unknown'

if test $ac_cv_sizeof_signed_long -eq $ac_cv_sizeof_unsigned_char_p

then

  SSIZE_T='signed long'

  SSIZE_FORMAT='"%ld"'

elif test $ac_cv_sizeof_signed_long_long -eq $ac_cv_sizeof_unsigned_char_p

then

  SSIZE_T='signed long long'

  SSIZE_FORMAT='"%lld"'

fi

AC_MSG_RESULT($SSIZE_T)

AC_DEFINE_UNQUOTED(TIFF_SSIZE_T,$SSIZE_T,[Signed size type])

AC_DEFINE_UNQUOTED(TIFF_SSIZE_FORMAT,$SSIZE_FORMAT,[Signed size type formatter])

# Determine the type to use for the difference between two pointers.

# We will default to the POSIX ptrdiff_t if it is available, but will

# be prepared for the case when it is not.

PTRDIFF_T='unknown'

PTRDIFF_FORMAT='"%ld"'

AC_CHECK_TYPE(ptrdiff_t,[PTRDIFF_T=ptrdiff_t])

if test $PTRDIFF_T = unknown

then

  PTRDIFF_T=$SSIZE_T

  PTRDIFF_FORMAT=$SSIZE_FORMAT

fi

AC_MSG_CHECKING(for pointer difference type)

AC_MSG_RESULT($PTRDIFF_T)

AC_DEFINE_UNQUOTED(TIFF_PTRDIFF_T,$PTRDIFF_T,[Pointer difference type])

AC_DEFINE_UNQUOTED(TIFF_PTRDIFF_FORMAT,$PTRDIFF_FORMAT,[Pointer difference type formatter])

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></inttypes.h>

#endif

])

dnl Checks for library functions.

AC_CHECK_FUNCS([floor isascii memmove memset mmap pow setmode sqrt strchr strrchr strstr strtol strtoull])

dnl Will use local replacements for unavailable functions

AC_REPLACE_FUNCS(getopt)

AC_REPLACE_FUNCS(strcasecmp)

AC_REPLACE_FUNCS(strtoul)

AC_REPLACE_FUNCS(strtoull)

AC_REPLACE_FUNCS(lfind)

dnl ---------------------------------------------------------------------------

dnl Check the native cpu bit order.

dnl ---------------------------------------------------------------------------

AC_MSG_CHECKING([native cpu bit order])

case "$host_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"

  tiff_libs_private="-lz ${tiff_libs_private}"

  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"

  tiff_libs_private="-ljpeg ${tiff_libs_private}"

  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"

  tiff_libs_private="-ljbig ${tiff_libs_private}"

  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 liblzma2.

dnl ---------------------------------------------------------------------------

HAVE_LZMA=no

AC_ARG_ENABLE(lzma,

	      AS_HELP_STRING([--disable-lzma],

			     [disable liblzma usage (required for LZMA2 compression, enabled by default)]),,)

AC_ARG_WITH(lzma-include-dir,

	    AS_HELP_STRING([--with-lzma-include-dir=DIR],

			   [location of liblzma headers]),,)

AC_ARG_WITH(lzma-lib-dir,

	    AS_HELP_STRING([--with-lzma-lib-dir=DIR],

			   [location of liblzma library binary]),,)

if test "x$enable_lzma" != "xno" ; then

  if test "x$with_lzma_lib_dir" != "x" ; then

    LDFLAGS="-L$with_lzma_lib_dir $LDFLAGS"

  fi

  AC_CHECK_LIB(lzma, lzma_code, [lzma_lib=yes], [lzma_lib=no],)

  if test "$lzma_lib" = "no" -a "x$with_lzma_lib_dir" != "x"; then

    AC_MSG_ERROR([lzma library not found at $with_lzma_lib_dir])

  fi

  if test "x$with_lzma_include_dir" != "x" ; then

    CPPFLAGS="-I$with_lzma_include_dir $CPPFLAGS"

  fi

  AC_CHECK_HEADER(lzma.h, [lzma_h=yes], [lzma_h=no])

  if test "$lzma_h" = "no" -a "x$with_lzma_include_dir" != "x" ; then

    AC_MSG_ERROR([Liblzma headers not found at $with_lzma_include_dir])

  fi

  if test "$lzma_lib" = "yes" -a "$lzma_h" = "yes" ; then

    HAVE_LZMA=yes

  fi

fi

if test "$HAVE_LZMA" = "yes" ; then

  AC_DEFINE(LZMA_SUPPORT,1,[Support LZMA2 compression])

  LIBS="-llzma $LIBS"

  tiff_libs_private="-llzma ${tiff_libs_private}"

  if test "$HAVE_RPATH" = "yes" -a "x$with_lzma_lib_dir" != "x" ; then

    LIBDIR="-R $with_lzma_lib_dir $LIBDIR"

  fi

fi

dnl ---------------------------------------------------------------------------

dnl Should 8/12 bit jpeg mode be enabled?

dnl ---------------------------------------------------------------------------

HAVE_JPEG12=no

AC_ARG_ENABLE(jpeg12,

	      AS_HELP_STRING([--enable-jpeg12],

			     [enable libjpeg 8/12bit dual mode]),,)

AC_ARG_WITH(jpeg12-include-dir,

	    AS_HELP_STRING([--with-jpeg12-include-dir=DIR],

			   [location of libjpeg 12bit headers]),,)

AC_ARG_WITH(jpeg12-lib,

	    AS_HELP_STRING([--with-jpeg12-lib=LIBRARY],

			   [path to libjpeg 12bit library]),,)

if test "x$enable_jpeg12" == "xyes" ; then

  if test "x$with_jpeg12_lib" != "x" ; then

    LIBS="$with_jpeg12_lib $LIBS"

  fi

  HAVE_JPEG12=yes

  AC_DEFINE(JPEG_DUAL_MODE_8_12,1,[8/12 bit libjpeg dual mode enabled])

  if test "x$with_jpeg12_include_dir" != "x" ; then

    AC_DEFINE_UNQUOTED(LIBJPEG_12_PATH,"$with_jpeg12_include_dir/jpeglib.h",[12bit libjpeg primary include file with path])

  fi

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

dnl AX_CHECK_GL sets GL_CFLAGS & GL_LIBS.  Also PTHREAD_LIBS,

dnl PTHREAD_CFLAGS, & PTHREAD_CC as a side-effect

AX_CHECK_GL

dnl AX_CHECK_GLU sets GLU_CFLAGS & GLU_LIBS

AX_CHECK_GLU

dnl AX_CHECK_GLUT sets GLUT_CFLAGS & GLUT_LIBS

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 Win32 IO: make sure we have windows.h but not cygwin

dnl this must be after the ogl test, since that looks for windows.h and we

dnl test it

dnl ---------------------------------------------------------------------------

win32_io_ok=no

case "${host_os}" in

    cygwin*)

        ;;

    *)

        if test x"$ac_cv_header_windows_h" = xyes; then 

            win32_io_ok=yes

	    AC_DEFINE(USE_WIN32_FILEIO,1,[define to use win32 IO system])

	fi

        ;;

esac

AM_CONDITIONAL([WIN32_IO], [test "$win32_io_ok" = 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],