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-# $Id: SConstruct,v 1.4 2007-02-24 15:03:47 dron Exp $
-
-# Tag Image File Format (TIFF) Software
-#
-# Copyright (C) 2005, Andrey Kiselev <dron@ak4719.spb.edu>
-#
-# Permission to use, copy, modify, distribute, and sell this software and
-# its documentation for any purpose is hereby granted without fee, provided
-# that (i) the above copyright notices and this permission notice appear in
-# all copies of the software and related documentation, and (ii) the names of
-# Sam Leffler and Silicon Graphics may not be used in any advertising or
-# publicity relating to the software without the specific, prior written
-# permission of Sam Leffler and Silicon Graphics.
-#
-# THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
-# EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
-# WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
-#
-# IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
-# ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
-# OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
-# WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
-# LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
-# OF THIS SOFTWARE.
-
-# This file contains rules to build software with the SCons tool
-# (see the http://www.scons.org/ for details on SCons).
-
-import os
-
-env = Environment()
-
-# Read the user supplied options
-opts = Options('libtiff.conf')
-opts.Add(PathOption('PREFIX', \
- 'install architecture-independent files in this directory', \
- '/usr/local', PathOption.PathIsDirCreate))
-opts.Add(BoolOption('ccitt', \
- 'enable support for CCITT Group 3 & 4 algorithms', \
- 'yes'))
-opts.Add(BoolOption('packbits', \
- 'enable support for Macintosh PackBits algorithm', \
- 'yes'))
-opts.Add(BoolOption('lzw', \
- 'enable support for LZW algorithm', \
- 'yes'))
-opts.Add(BoolOption('thunder', \
- 'enable support for ThunderScan 4-bit RLE algorithm', \
- 'yes'))
-opts.Add(BoolOption('next', \
- 'enable support for NeXT 2-bit RLE algorithm', \
- 'yes'))
-opts.Add(BoolOption('logluv', \
- 'enable support for LogLuv high dynamic range encoding', \
- 'yes'))
-opts.Add(BoolOption('strip_chopping', \
- 'support for strip chopping (whether or not to convert single-strip uncompressed images to mutiple strips of ~8Kb to reduce memory usage)', \
- 'yes'))
-opts.Add(BoolOption('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', \
- 'yes'))
-opts.Add(BoolOption('check_ycbcr_subsampling', \
- 'disable picking up YCbCr subsampling info from the JPEG data stream to support files lacking the tag', \
- 'yes'))
-opts.Update(env)
-opts.Save('libtiff.conf', env)
-Help(opts.GenerateHelpText(env))
-
-# Here are our installation paths:
-idir_prefix = '$PREFIX'
-idir_lib = '$PREFIX/lib'
-idir_bin = '$PREFIX/bin'
-idir_inc = '$PREFIX/include'
-idir_doc = '$PREFIX/doc'
-Export([ 'env', 'idir_prefix', 'idir_lib', 'idir_bin', 'idir_inc', 'idir_doc' ])
-
-# Now proceed to system feature checks
-target_cpu, target_vendor, target_kernel, target_os = \
- os.popen("./config/config.guess").readlines()[0].split("-")
-
-def Define(context, key, have):
- import SCons.Conftest
- SCons.Conftest._Have(context, key, have)
-
-def CheckCustomOption(context, name):
- context.Message('Checking is the ' + name + ' option set... ')
- ret = env[name]
- Define(context, name + '_SUPPORT', ret)
- context.Result(ret)
- return ret
-
-def CheckFillorderOption(context):
- context.Message('Checking for the native cpu bit order... ')
- if target_cpu[0] == 'i' and target_cpu[2:] == '86':
- Define(context, 'HOST_FILLORDER', 'FILLORDER_LSB2MSB')
- context.Result('lsb2msb')
- else:
- Define(context, 'HOST_FILLORDER', 'FILLORDER_MSB2LSB')
- context.Result('msb2lsb')
- return 1
-
-def CheckIEEEFPOption(context):
- context.Message('Checking for the IEEE floating point format... ')
- Define(context, 'HAVE_IEEEFP', 1)
- context.Result(1)
- return 1
-
-def CheckOtherOption(context, name):
- context.Message('Checking is the ' + name + ' option set... ')
- ret = env[name]
- Define(context, 'HAVE_' + name, ret)
- context.Result(ret)
- return ret
-
-custom_tests = { \
- 'CheckCustomOption' : CheckCustomOption, \
- 'CheckFillorderOption' : CheckFillorderOption, \
- 'CheckIEEEFPOption' : CheckIEEEFPOption, \
- 'CheckOtherOption' : CheckOtherOption \
- }
-conf = Configure(env, custom_tests = custom_tests, \
- config_h = 'libtiff/tif_config.h')
-
-# Check for standard library
-conf.CheckLib('c')
-if target_os != 'cygwin' \
- and target_os != 'mingw32' \
- and target_os != 'beos' \
- and target_os != 'darwin':
- conf.CheckLib('m')
-
-# Check for system headers
-conf.CheckCHeader('assert.h')
-conf.CheckCHeader('fcntl.h')
-conf.CheckCHeader('io.h')
-conf.CheckCHeader('limits.h')
-conf.CheckCHeader('malloc.h')
-conf.CheckCHeader('search.h')
-conf.CheckCHeader('sys/time.h')
-conf.CheckCHeader('unistd.h')
-
-# Check for standard library functions
-conf.CheckFunc('floor')
-conf.CheckFunc('isascii')
-conf.CheckFunc('memmove')
-conf.CheckFunc('memset')
-conf.CheckFunc('mmap')
-conf.CheckFunc('pow')
-conf.CheckFunc('setmode')
-conf.CheckFunc('sqrt')
-conf.CheckFunc('strchr')
-conf.CheckFunc('strrchr')
-conf.CheckFunc('strstr')
-conf.CheckFunc('strtol')
-
-conf.CheckFillorderOption()
-conf.CheckIEEEFPOption()
-conf.CheckCustomOption('ccitt')
-conf.CheckCustomOption('packbits')
-conf.CheckCustomOption('lzw')
-conf.CheckCustomOption('thunder')
-conf.CheckCustomOption('next')
-conf.CheckCustomOption('logluv')
-conf.CheckOtherOption('strip_chopping')
-conf.CheckOtherOption('extrasample_as_alpha')
-conf.CheckOtherOption('check_ycbcr_subsampling')
-
-env = conf.Finish()
-
-# Ok, now go to build files in the subdirectories
-SConscript(dirs = [ 'libtiff' ], name = 'SConstruct')