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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')
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