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# Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import re
Import('env')
env = env.Clone(OPEN_VCDIFF_DIR='open-vcdiff')
cpppath = [
'$OPEN_VCDIFF_DIR/src',
]
if env.Bit('windows'):
cpppath.append('$OPEN_VCDIFF_DIR/vsprojects')
env.Prepend(CPPPATH = cpppath)
input_files = [
'$OPEN_VCDIFF_DIR/src/addrcache.cc',
'$OPEN_VCDIFF_DIR/src/adler32.c',
'$OPEN_VCDIFF_DIR/src/blockhash.cc',
'$OPEN_VCDIFF_DIR/src/codetable.cc',
'$OPEN_VCDIFF_DIR/src/decodetable.cc',
'$OPEN_VCDIFF_DIR/src/encodetable.cc',
'$OPEN_VCDIFF_DIR/src/headerparser.cc',
'$OPEN_VCDIFF_DIR/src/logging.cc',
'$OPEN_VCDIFF_DIR/src/varint_bigendian.cc',
'$OPEN_VCDIFF_DIR/src/vcdecoder.cc',
'$OPEN_VCDIFF_DIR/src/vcdiffengine.cc',
]
env.ChromeStaticLibrary('sdch', input_files)
if env.Bit('posix'):
# Generate a target config.h file from a source config.h.in file.
#
# The list of defines has been taken empirically from Autoconf
# (./configure) runs on Mac OS X and Ubuntu Hardy.
defines = [
'HAVE_DLFCN_H',
'HAVE_FNMATCH_H',
'HAVE_GETOPT_H',
'HAVE_GETTIMEOFDAY',
'HAVE_INTTYPES_H',
'HAVE_MEMORY_H',
'HAVE_MPROTECT',
'HAVE_PTHREAD',
'HAVE_STDINT_H',
'HAVE_STDLIB_H',
'HAVE_STRINGS_H',
'HAVE_STRING_H',
'HAVE_STRTOLL',
'HAVE_STRTOQ',
'HAVE_SYS_MMAN_H',
'HAVE_SYS_STAT_H',
'HAVE_SYS_TIME_H',
'HAVE_SYS_TYPES_H',
'HAVE_UINT16_T',
'HAVE_UNISTD_H',
'HAVE_U_INT16_T',
'HAVE___ATTRIBUTE__',
('PACKAGE', '"open-vcdiff"'),
('PACKAGE_BUGREPORT', '"opensource@google.com"'),
('PACKAGE_NAME', '"open-vcdiff"'),
('PACKAGE_STRING', '"open-vcdiff 0.1"'),
('PACKAGE_TARNAME', '"open-vcdiff"'),
('PACKAGE_VERSION', '"0.1"'),
('VERSION', '"0.1"'),
'STDC_HEADERS',
]
if env.Bit('linux'):
defines.extend([
'HAVE_MALLOC_H',
'HAVE_MEMALIGN',
'HAVE_POSIX_MEMALIGN',
])
if env.Bit('mac'):
defines.extend([
'HAVE_WORKING_KQUEUE',
])
def AutoConfig(target, source, env):
"""
Action to generate a config.h file from an Autotools config.h.in file,
given the list of definitions in the DEFINES construction variable.
Each entry in DEFINES is either a string, in which case it
will be enabled with a value of 1, or a tuple, in which case
the first element is the #define name and the second its value.
Any leftover #undef lines get commented out.
"""
contents = open(str(source[0]), 'r').read()
for d in env['DEFINES']:
if isinstance(d, tuple):
define, value = d
else:
define = d
value = 1
undef = '^#undef %s$' % re.escape(define)
definition = '#define %s %s' % (define, value)
contents = re.sub(undef, definition, contents)
undef_re = re.compile(r'^(#undef .*)$', re.M)
contents = undef_re.sub(r'/* \1 */', contents)
header = '/* src/config.h. Generated by SCons. */\n'
open(str(target[0]), 'w').write(header + contents)
# varlist['DEFINES'] below makes the target config.h file depend
# on the list of definitions in the passed-in $DEFINES variable.
env.Command('$OPEN_VCDIFF_DIR/src/config.h',
'$OPEN_VCDIFF_DIR/src/config.h.in',
Action(AutoConfig, varlist=['DEFINES']),
DEFINES=defines)
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