src/tiff/configure.ac

   1 dnl                                               -*- Autoconf -*-
   2 dnl Tag Image File Format (TIFF) Software
   3 dnl
   4 dnl Copyright (C) 2004, Andrey Kiselev <dron@ak4719.spb.edu>
   5 dnl
   6 dnl Permission to use, copy, modify, distribute, and sell this software and
   7 dnl its documentation for any purpose is hereby granted without fee, provided
   8 dnl that (i) the above copyright notices and this permission notice appear in
   9 dnl all copies of the software and related documentation, and (ii) the names of
  10 dnl Sam Leffler and Silicon Graphics may not be used in any advertising or
  11 dnl publicity relating to the software without the specific, prior written
  12 dnl permission of Sam Leffler and Silicon Graphics.
  13 dnl
  14 dnl THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
  15 dnl EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
  16 dnl WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
  17 dnl
  18 dnl IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
  19 dnl ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
  20 dnl OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
  21 dnl WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
  22 dnl LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
  23 dnl OF THIS SOFTWARE.
  24
  25 dnl Process this file with autoconf to produce a configure script.
  26
  27 AC_PREREQ(2.59)
  28 AC_INIT([LibTIFF Software], 3.8.2, [tiff@lists.maptools.org], tiff)
  29 AC_CONFIG_AUX_DIR(config)
  30 AC_CONFIG_MACRO_DIR(m4)
  31 AC_LANG(C)
  32
  33 dnl Compute the canonical target-system type variable
  34 AC_CANONICAL_TARGET
  35
  36 AM_INIT_AUTOMAKE
  37 dnl Do not rebuild generated files every time
  38 AM_MAINTAINER_MODE
  39
  40 dnl Versioning.
  41 dnl Don't fill the ALPHA_VERSION field, if not applicable.
  42 LIBTIFF_MAJOR_VERSION=3
  43 LIBTIFF_MINOR_VERSION=8
  44 LIBTIFF_MICRO_VERSION=2
  45 LIBTIFF_ALPHA_VERSION=
  46 LIBTIFF_VERSION=$LIBTIFF_MAJOR_VERSION.$LIBTIFF_MINOR_VERSION.$LIBTIFF_MICRO_VERSION$LIBTIFF_ALPHA_VERSION
  47 dnl This will be used with the 'make release' target
  48 LIBTIFF_RELEASE_DATE=`date +"%Y%m%d"`
  49
  50 # This is a special hack for OpenBSD and MirOS systems. The dynamic linker
  51 # in OpenBSD uses some special semantics for shared libraries. Their soname
  52 # contains only two numbers, major and minor.
  53 # See http://bugzilla.remotesensing.org/show_bug.cgi?id=838 for details.
  54 case "$target_os" in
  55     openbsd* | mirbsd*)
  56         LIBTIFF_VERSION_INFO=$LIBTIFF_MAJOR_VERSION$LIBTIFF_MINOR_VERSION:$LIBTIFF_MICRO_VERSION$LIBTIFF_ALPHA_VERSION:0
  57         ;;
  58     *)
  59         LIBTIFF_VERSION_INFO=$LIBTIFF_MAJOR_VERSION:$LIBTIFF_MINOR_VERSION:$LIBTIFF_MICRO_VERSION$LIBTIFF_ALPHA_VERSION
  60         ;;
  61 esac
  62
  63 AC_SUBST(LIBTIFF_MAJOR_VERSION)
  64 AC_SUBST(LIBTIFF_MINOR_VERSION)
  65 AC_SUBST(LIBTIFF_MICRO_VERSION)
  66 AC_SUBST(LIBTIFF_ALPHA_VERSION)
  67 AC_SUBST(LIBTIFF_VERSION)
  68 AC_SUBST(LIBTIFF_VERSION_INFO)
  69 AC_SUBST(LIBTIFF_RELEASE_DATE)
  70
  71 dnl Checks for programs.
  72 AC_PROG_CC
  73 AM_PROG_CC_C_O
  74
  75 dnl We want warnings. As many warnings as possible.
  76 VL_PROG_CC_WARNINGS()
  77
  78 AC_PROG_INSTALL
  79 AC_PROG_LN_S
  80 AC_PROG_LIBTOOL
  81 AC_LIBTOOL_WIN32_DLL
  82
  83 dnl Checks for libraries.
  84 AC_CHECK_LIB([c], [main])
  85
  86 dnl We don't need to add math library at all targets
  87 case "$target_os" in
  88     cygwin* | mingw32* | beos* | darwin*)
  89         ;;
  90     *)
  91         AC_CHECK_LIB(m,main,,,)
  92         ;;
  93 esac
  94
  95 dnl Checks for header files.
  96 AC_CHECK_HEADERS([assert.h fcntl.h limits.h malloc.h search.h sys/time.h unistd.h])
  97
  98 dnl Checks for typedefs, structures, and compiler characteristics.
  99 AC_C_CONST
 100 AC_C_INLINE
 101 AC_C_BIGENDIAN
 102 AC_TYPE_OFF_T
 103 AC_TYPE_SIZE_T
 104 AC_CHECK_SIZEOF(int)
 105 AC_CHECK_SIZEOF(long)
 106 AC_HEADER_TIME
 107 AC_STRUCT_TM
 108 dnl Some compilers (IBM VisualAge) has these types defined, so check it here:
 109 AC_CHECK_TYPES([int8, int16, int32],,,
 110 [
 111 #if HAVE_INTTYPES_H
 112 # include <inttypes.h>
 113 #endif
 114 ])
 115
 116 dnl Checks for library functions.
 117 AC_CHECK_FUNCS([floor isascii memmove memset mmap pow sqrt strchr strrchr strstr strtol])
 118
 119 dnl Will use local replacements for unavailable functions
 120 AC_REPLACE_FUNCS(getopt)
 121 AC_REPLACE_FUNCS(strcasecmp)
 122 AC_REPLACE_FUNCS(strtoul)
 123 AC_REPLACE_FUNCS(lfind)
 124
 125 dnl ---------------------------------------------------------------------------
 126 dnl Check the native cpu bit order.
 127 dnl ---------------------------------------------------------------------------
 128 AC_MSG_CHECKING([native cpu bit order])
 129 case "$target_cpu" in
 130     i*86*)
 131         HOST_FILLORDER=FILLORDER_LSB2MSB
 132         AC_MSG_RESULT([lsb2msb])
 133         ;;
 134     *)
 135         HOST_FILLORDER=FILLORDER_MSB2LSB
 136         AC_MSG_RESULT([msb2lsb])
 137         ;;
 138 esac
 139 AC_DEFINE_UNQUOTED(HOST_FILLORDER, $HOST_FILLORDER, [Set the native cpu bit order (FILLORDER_LSB2MSB or FILLORDER_MSB2LSB)])
 140
 141 dnl ---------------------------------------------------------------------------
 142 dnl Configure legacy tifconf.h HOST_BIGENDIAN.
 143 dnl ---------------------------------------------------------------------------
 144 if test "$ac_cv_c_bigendian" = yes ; then
 145     HOST_BIGENDIAN=1
 146 else
 147     HOST_BIGENDIAN=0
 148 fi
 149 AC_DEFINE_UNQUOTED(HOST_BIGENDIAN,$HOST_BIGENDIAN,[Native cpu byte order: 1 if big-endian (Motorola) or 0 if little-endian (Intel)])
 150
 151 dnl ---------------------------------------------------------------------------
 152 dnl Make the POSIX.2 features available.
 153 dnl ---------------------------------------------------------------------------
 154 #_POSIX_C_SOURCE=2
 155 #AC_DEFINE_UNQUOTED(_POSIX_C_SOURCE, $_POSIX_C_SOURCE, [Define this macro to a positive integer to control which POSIX functionality is made available.])
 156
 157 dnl ---------------------------------------------------------------------------
 158 dnl Set the floating point format.
 159 dnl FIXME: write appropriate test.
 160 dnl ---------------------------------------------------------------------------
 161 HAVE_IEEEFP=1
 162 AC_DEFINE_UNQUOTED(HAVE_IEEEFP, $HAVE_IEEEFP, [Define as 0 or 1 according to the floating point format suported by the machine])
 163
 164 dnl ---------------------------------------------------------------------------
 165 dnl Enable run-time paths to libraries usage.
 166 dnl ---------------------------------------------------------------------------
 167
 168 AC_ARG_ENABLE(rpath,
 169               AS_HELP_STRING([--enable-rpath],
 170                              [Enable runtime linker paths (-R libtool option)]),
 171               [HAVE_RPATH=$enableval], [HAVE_RPATH=no])
 172 AM_CONDITIONAL(HAVE_RPATH, test "$HAVE_RPATH" = "yes")
 173
 174 dnl ---------------------------------------------------------------------------
 175 dnl Support large files.
 176 dnl ---------------------------------------------------------------------------
 177
 178 AC_SYS_LARGEFILE
 179
 180 dnl ---------------------------------------------------------------------------
 181 dnl Point to path where we should install documentation.
 182 dnl ---------------------------------------------------------------------------
 183
 184 LIBTIFF_DOCDIR=\${prefix}/share/doc/${PACKAGE}-${LIBTIFF_VERSION}
 185
 186 AC_ARG_WITH(docdir,
 187             AS_HELP_STRING([--with-docdir=DIR],
 188                            [directory where documentation should be installed]),,)
 189 if test "x$with_docdir" != "x" ; then
 190   LIBTIFF_DOCDIR=$with_docdir
 191 fi
 192
 193 AC_SUBST(LIBTIFF_DOCDIR)
 194
 195 dnl ---------------------------------------------------------------------------
 196 dnl Switch on/off internal codecs.
 197 dnl ---------------------------------------------------------------------------
 198
 199 AC_ARG_ENABLE(ccitt,
 200               AS_HELP_STRING([--disable-ccitt],
 201                              [disable support for CCITT Group 3 & 4 algorithms]),
 202               [HAVE_CCITT=$enableval], [HAVE_CCITT=yes])
 203
 204 if test "$HAVE_CCITT" = "yes" ; then
 205   AC_DEFINE(CCITT_SUPPORT,1,[Support CCITT Group 3 & 4 algorithms])
 206 fi
 207
 208 AC_ARG_ENABLE(packbits,
 209               AS_HELP_STRING([--disable-packbits],
 210                              [disable support for Macintosh PackBits algorithm]),
 211               [HAVE_PACKBITS=$enableval], [HAVE_PACKBITS=yes])
 212
 213 if test "$HAVE_PACKBITS" = "yes" ; then
 214   AC_DEFINE(PACKBITS_SUPPORT,1,[Support Macintosh PackBits algorithm])
 215 fi
 216
 217 AC_ARG_ENABLE(lzw,
 218               AS_HELP_STRING([--disable-lzw],
 219                              [disable support for LZW algorithm]),
 220               [HAVE_LZW=$enableval], [HAVE_LZW=yes])
 221
 222 if test "$HAVE_LZW" = "yes" ; then
 223   AC_DEFINE(LZW_SUPPORT,1,[Support LZW algorithm])
 224 fi
 225
 226 AC_ARG_ENABLE(thunder,
 227               AS_HELP_STRING([--disable-thunder],
 228                              [disable support for ThunderScan 4-bit RLE algorithm]),
 229               [HAVE_THUNDER=$enableval], [HAVE_THUNDER=yes])
 230
 231 if test "$HAVE_THUNDER" = "yes" ; then
 232   AC_DEFINE(THUNDER_SUPPORT,1,[Support ThunderScan 4-bit RLE algorithm])
 233 fi
 234
 235 HAVE_NEXT=yes
 236
 237 AC_ARG_ENABLE(next,
 238               AS_HELP_STRING([--disable-next],
 239                              [disable support for NeXT 2-bit RLE algorithm]),
 240               [HAVE_NEXT=$enableval], [HAVE_NEXT=yes])
 241
 242 if test "$HAVE_NEXT" = "yes" ; then
 243   AC_DEFINE(NEXT_SUPPORT,1,[Support NeXT 2-bit RLE algorithm])
 244 fi
 245
 246 AC_ARG_ENABLE(logluv,
 247               AS_HELP_STRING([--disable-logluv],
 248                              [disable support for LogLuv high dynamic range encoding]),
 249               [HAVE_LOGLUV=$enableval], [HAVE_LOGLUV=yes])
 250
 251 if test "$HAVE_LOGLUV" = "yes" ; then
 252   AC_DEFINE(LOGLUV_SUPPORT,1,[Support LogLuv high dynamic range encoding])
 253 fi
 254
 255 dnl ---------------------------------------------------------------------------
 256 dnl Switch on/off support for Microsoft Document Imaging
 257 dnl ---------------------------------------------------------------------------
 258
 259 AC_ARG_ENABLE(mdi,
 260               AS_HELP_STRING([--disable-mdi],
 261                              [disable support for Microsoft Document Imaging]),
 262               [HAVE_MDI=$enableval], [HAVE_MDI=yes])
 263
 264 if test "$HAVE_MDI" = "yes" ; then
 265   AC_DEFINE(MDI_SUPPORT,1,[Support Microsoft Document Imaging format])
 266 fi
 267
 268 dnl ---------------------------------------------------------------------------
 269 dnl Check for ZLIB.
 270 dnl ---------------------------------------------------------------------------
 271
 272 HAVE_ZLIB=no
 273
 274 AC_ARG_ENABLE(zlib,
 275               AS_HELP_STRING([--disable-zlib],
 276                              [disable Zlib usage (required for Deflate compression, enabled by default)]),,)
 277 AC_ARG_WITH(zlib-include-dir,
 278             AS_HELP_STRING([--with-zlib-include-dir=DIR],
 279                            [location of Zlib headers]),,)
 280 AC_ARG_WITH(zlib-lib-dir,
 281             AS_HELP_STRING([--with-zlib-lib-dir=DIR],
 282                            [location of Zlib library binary]),,)
 283
 284 if test "x$enable_zlib" != "xno" ; then
 285
 286   if test "x$with_zlib_lib_dir" != "x" ; then
 287     LDFLAGS="-L$with_zlib_lib_dir $LDFLAGS"
 288   fi
 289
 290   AC_CHECK_LIB(z, inflateEnd, [zlib_lib=yes], [zlib_lib=no],)
 291   if test "$zlib_lib" = "no" -a "x$with_zlib_lib_dir" != "x"; then
 292     AC_MSG_ERROR([Zlib library not found at $with_zlib_lib_dir])
 293   fi
 294
 295   if test "x$with_zlib_include_dir" != "x" ; then
 296     CPPFLAGS="-I$with_zlib_include_dir $CPPFLAGS"
 297   fi
 298   AC_CHECK_HEADER(zlib.h, [zlib_h=yes], [zlib_h=no])
 299   if test "$zlib_h" = "no" -a "x$with_zlib_include_dir" != "x" ; then
 300     AC_MSG_ERROR([Zlib headers not found at $with_zlib_include_dir])
 301   fi
 302
 303   if test "$zlib_lib" = "yes" -a "$zlib_h" = "yes" ; then
 304     HAVE_ZLIB=yes
 305   fi
 306
 307 fi
 308
 309 if test "$HAVE_ZLIB" = "yes" ; then
 310   AC_DEFINE(ZIP_SUPPORT,1,[Support Deflate compression])
 311   LIBS="-lz $LIBS"
 312
 313   if test "$HAVE_RPATH" = "yes" -a "x$with_zlib_lib_dir" != "x" ; then
 314     LIBDIR="-R $with_zlib_lib_dir $LIBDIR"
 315   fi
 316
 317 fi
 318
 319 dnl ---------------------------------------------------------------------------
 320 dnl Check for Pixar log-format algorithm.
 321 dnl ---------------------------------------------------------------------------
 322
 323 AC_ARG_ENABLE(pixarlog,
 324               AS_HELP_STRING([--disable-pixarlog],
 325                              [disable support for Pixar log-format algorithm (requires Zlib)]),
 326               [HAVE_PIXARLOG=$enableval], [HAVE_PIXARLOG=yes])
 327
 328 if test "$HAVE_ZLIB" = "yes" -a "$HAVE_PIXARLOG" = "yes" ; then
 329   AC_DEFINE(PIXARLOG_SUPPORT, 1,
 330             [Support Pixar log-format algorithm (requires Zlib)])
 331 else
 332   HAVE_PIXARLOG=no
 333 fi
 334
 335 dnl ---------------------------------------------------------------------------
 336 dnl Check for JPEG.
 337 dnl ---------------------------------------------------------------------------
 338
 339 HAVE_JPEG=no
 340
 341 AC_ARG_ENABLE(jpeg,
 342               AS_HELP_STRING([--disable-jpeg],
 343                              [disable IJG JPEG library usage (required for JPEG compression, enabled by default)]),,)
 344 AC_ARG_WITH(jpeg-include-dir,
 345             AS_HELP_STRING([--with-jpeg-include-dir=DIR],
 346                            [location of IJG JPEG library headers]),,)
 347 AC_ARG_WITH(jpeg-lib-dir,
 348             AS_HELP_STRING([--with-jpeg-lib-dir=DIR],
 349                            [location of IJG JPEG library binary]),,)
 350
 351 if test "x$enable_jpeg" != "xno" ; then
 352
 353   if test "x$with_jpeg_lib_dir" != "x" ; then
 354     LDFLAGS="-L$with_jpeg_lib_dir $LDFLAGS"
 355
 356   fi
 357
 358   AC_CHECK_LIB(jpeg, jpeg_read_scanlines, [jpeg_lib=yes], [jpeg_lib=no],)
 359   if test "$jpeg_lib" = "no" -a "x$with_jpeg_lib_dir" != "x" ; then
 360     AC_MSG_ERROR([IJG JPEG library not found at $with_jpeg_lib_dir])
 361   fi
 362
 363   if test "x$with_jpeg_include_dir" != "x" ; then
 364     CPPFLAGS="-I$with_jpeg_include_dir $CPPFLAGS"
 365   fi
 366   AC_CHECK_HEADER(jpeglib.h, [jpeg_h=yes], [jpeg_h=no])
 367   if test "$jpeg_h" = "no" -a "x$with_jpeg_include_dir" != "x" ; then
 368     AC_MSG_ERROR([IJG JPEG library headers not found at $with_jpeg_include_dir])
 369   fi
 370
 371   if test "$jpeg_lib" = "yes" -a "$jpeg_h" = "yes" ; then
 372     HAVE_JPEG=yes
 373   fi
 374
 375 fi
 376
 377 if test "$HAVE_JPEG" = "yes" ; then
 378   AC_DEFINE(JPEG_SUPPORT,1,[Support JPEG compression (requires IJG JPEG library)])
 379   LIBS="-ljpeg $LIBS"
 380
 381   if test "$HAVE_RPATH" = "yes" -a "x$with_jpeg_lib_dir" != "x" ; then
 382     LIBDIR="-R $with_jpeg_lib_dir $LIBDIR"
 383   fi
 384
 385 fi
 386
 387 dnl ---------------------------------------------------------------------------
 388 dnl Check for Old JPEG.
 389 dnl ---------------------------------------------------------------------------
 390
 391 AC_ARG_ENABLE(old-jpeg,
 392               AS_HELP_STRING([--enable-old-jpeg],
 393                              [enable support for Old JPEG compresson (read contrib/ojpeg/README first! Compilation fails with unpatched IJG JPEG library)]),
 394               [HAVE_OJPEG=$enableval], [HAVE_OJPEG=no])
 395
 396 if test "$HAVE_JPEG" = "yes" -a "$HAVE_OJPEG" = "yes" ; then
 397   AC_DEFINE(OJPEG_SUPPORT, 1,
 398             [Support Old JPEG compresson (read contrib/ojpeg/README first! Compilation fails with unpatched IJG JPEG library)])
 399 else
 400   HAVE_OJPEG=no
 401 fi
 402
 403 dnl ---------------------------------------------------------------------------
 404 dnl Check for C++.
 405 dnl ---------------------------------------------------------------------------
 406
 407 AC_ARG_ENABLE(cxx,
 408               AS_HELP_STRING([--enable-cxx],
 409                              [enable C++ stream API building (requires C++ compiler)]),
 410               [HAVE_CXX=$enableval], [HAVE_CXX=yes])
 411
 412 if test "$HAVE_CXX" = "yes" ; then
 413   AC_DEFINE(CXX_SUPPORT, 1, [Support C++ stream API (requires C++ compiler)])
 414 else
 415   HAVE_CXX=no
 416 fi
 417
 418 AM_CONDITIONAL(HAVE_CXX, test "$HAVE_CXX" = "yes")
 419
 420 dnl ---------------------------------------------------------------------------
 421 dnl Check for OpenGL and GLUT.
 422 dnl ---------------------------------------------------------------------------
 423
 424 HAVE_OPENGL=no
 425
 426 AC_PATH_XTRA
 427
 428 AX_CHECK_GL
 429 AX_CHECK_GLU
 430 AX_CHECK_GLUT
 431
 432 if test "$no_x" != "yes" -a "$no_gl" != "yes" \
 433         -a "$no_glu" != "yes" -a "$no_glut" != "yes" ; then
 434   HAVE_OPENGL=yes
 435 fi
 436
 437 AM_CONDITIONAL(HAVE_OPENGL, test "$HAVE_OPENGL" = "yes")
 438
 439 dnl ===========================================================================
 440 dnl ``Orthogonal Features''
 441 dnl ===========================================================================
 442
 443 dnl ---------------------------------------------------------------------------
 444 dnl Default handling of strip chopping support.
 445 dnl ---------------------------------------------------------------------------
 446
 447 AC_ARG_ENABLE(strip-chopping,
 448               AS_HELP_STRING([--disable-strip-chopping],
 449                              [disable support for strip chopping (whether or not to convert single-strip uncompressed images to mutiple strips of specified size to reduce memory usage)]),
 450               [HAVE_STRIPCHOP=$enableval], [HAVE_STRIPCHOP=yes])
 451 AC_ARG_WITH(default-strip-size,
 452             AS_HELP_STRING([--with-default-strip-size=SIZE],
 453                            [default size of the strip in bytes (when strip chopping enabled) [[default=8192]]]),,)
 454
 455 if test "$HAVE_STRIPCHOP" = "yes" \
 456         -a "x$with_default_strip_size" != "xno"; then
 457   AC_DEFINE(STRIPCHOP_DEFAULT,TIFF_STRIPCHOP,[Support strip chopping (whether or not to convert single-strip uncompressed images to mutiple strips of specified size to reduce memory usage)])
 458
 459   if test "x$with_default_strip_size" = "x" \
 460           -o "x$with_default_strip_size" = "xyes"; then
 461     with_default_strip_size="8192"
 462   fi
 463
 464   AC_DEFINE_UNQUOTED(STRIP_SIZE_DEFAULT,$with_default_strip_size,[Default size of the strip in bytes (when strip chopping enabled)])
 465
 466 fi
 467
 468 dnl ---------------------------------------------------------------------------
 469 dnl Default subifd support.
 470 dnl ---------------------------------------------------------------------------
 471 AC_DEFINE(SUBIFD_SUPPORT,1,[Enable SubIFD tag (330) support])
 472
 473 dnl ---------------------------------------------------------------------------
 474 dnl Default handling of ASSOCALPHA support.
 475 dnl ---------------------------------------------------------------------------
 476
 477 AC_ARG_ENABLE(extrasample-as-alpha,
 478               AS_HELP_STRING([--disable-extrasample-as-alpha],
 479                              [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]),
 480               [HAVE_EXTRASAMPLE_AS_ALPHA=$enableval],
 481               [HAVE_EXTRASAMPLE_AS_ALPHA=yes])
 482
 483 if test "$HAVE_EXTRASAMPLE_AS_ALPHA" = "yes" ; then
 484   AC_DEFINE(DEFAULT_EXTRASAMPLE_AS_ALPHA, 1,
 485             [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.])
 486 fi
 487
 488 dnl ---------------------------------------------------------------------------
 489 dnl Default handling of YCbCr subsampling support.
 490 dnl See Bug 168 in Bugzilla, and JPEGFixupTestSubsampling() for details.
 491 dnl ---------------------------------------------------------------------------
 492
 493 AC_ARG_ENABLE(check-ycbcr-subsampling,
 494               AS_HELP_STRING([--disable-check-ycbcr-subsampling],
 495                              [disable picking up YCbCr subsampling info from the JPEG data stream to support files lacking the tag]),
 496               [CHECK_JPEG_YCBCR_SUBSAMPLING=$enableval],
 497               [CHECK_JPEG_YCBCR_SUBSAMPLING=yes])
 498
 499 if test "$CHECK_JPEG_YCBCR_SUBSAMPLING" = "yes" ; then
 500   AC_DEFINE(CHECK_JPEG_YCBCR_SUBSAMPLING, 1,
 501             [Pick up YCbCr subsampling info from the JPEG data stream to support files lacking the tag (default enabled).])
 502 fi
 503
 504 dnl ---------------------------------------------------------------------------
 505
 506 AC_SUBST(LIBDIR)
 507
 508 AC_CONFIG_HEADERS([libtiff/tif_config.h libtiff/tiffconf.h])
 509
 510 AC_CONFIG_FILES([Makefile \
 511                  contrib/Makefile \
 512                  contrib/acorn/Makefile \
 513                  contrib/addtiffo/Makefile \
 514                  contrib/dbs/Makefile \
 515                  contrib/dbs/xtiff/Makefile \
 516                  contrib/iptcutil/Makefile \
 517                  contrib/mac-cw/Makefile \
 518                  contrib/mac-mpw/Makefile \
 519                  contrib/mfs/Makefile \
 520                  contrib/ojpeg/Makefile \
 521                  contrib/pds/Makefile \
 522                  contrib/ras/Makefile \
 523                  contrib/stream/Makefile \
 524                  contrib/tags/Makefile \
 525                  contrib/win_dib/Makefile \
 526                  html/Makefile \
 527                  html/images/Makefile \
 528                  html/man/Makefile \
 529                  libtiff/Makefile \
 530                  man/Makefile \
 531                  port/Makefile \
 532                  test/Makefile \
 533                  tools/Makefile])
 534 AC_OUTPUT
 535
 536 dnl ---------------------------------------------------------------------------
 537 dnl Display configuration status
 538 dnl ---------------------------------------------------------------------------
 539
 540 LOC_MSG()
 541 LOC_MSG([Libtiff is now configured for ${host}])
 542 LOC_MSG()
 543 LOC_MSG([  Installation directory:             ${prefix}])
 544 LOC_MSG([  Documentation directory:            ${LIBTIFF_DOCDIR}])
 545 LOC_MSG([  C compiler:                         ${CC} ${CFLAGS}])
 546 LOC_MSG([  C++ compiler:                       ${CXX} ${CXXFLAGS}])
 547 LOC_MSG([  Enable runtime linker paths:        ${HAVE_RPATH}])
 548 LOC_MSG([  Support Microsoft Document Imaging: ${HAVE_MDI}])
 549 LOC_MSG()
 550 LOC_MSG([ Support for internal codecs:])
 551 LOC_MSG([  CCITT Group 3 & 4 algorithms:       ${HAVE_CCITT}])
 552 LOC_MSG([  Macintosh PackBits algorithm:       ${HAVE_PACKBITS}])
 553 LOC_MSG([  LZW algorithm:                      ${HAVE_LZW}])
 554 LOC_MSG([  ThunderScan 4-bit RLE algorithm:    ${HAVE_THUNDER}])
 555 LOC_MSG([  NeXT 2-bit RLE algorithm:           ${HAVE_NEXT}])
 556 LOC_MSG([  LogLuv high dynamic range encoding: ${HAVE_LOGLUV}])
 557 LOC_MSG()
 558 LOC_MSG([ Support for external codecs:])
 559 LOC_MSG([  ZLIB support:                       ${HAVE_ZLIB}])
 560 LOC_MSG([  Pixar log-format algorithm:         ${HAVE_PIXARLOG}])
 561 LOC_MSG([  JPEG support:                       ${HAVE_JPEG}])
 562 LOC_MSG([  Old JPEG support:                   ${HAVE_OJPEG}])
 563 LOC_MSG()
 564 LOC_MSG([  C++ support:                        ${HAVE_CXX}])
 565 LOC_MSG()
 566 LOC_MSG([  OpenGL support:                     ${HAVE_OPENGL}])
 567 LOC_MSG()
 568