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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
import cmakeparser as cp
import copy
import datetime
import os
import re
import subprocess
AOM_DIR = '../../third_party/aom'
def write_aom_config(system, arch, variables, cache_variables):
# read template cmake file
variables['year'] = datetime.datetime.now().year
cp.parse(variables, [], os.path.join(AOM_DIR, 'build', 'cmake',
'generate_aom_config_templates.cmake'))
# filter variables
cache_variables = [x for x in sorted(cache_variables)
if x and not x.startswith((' ', 'CMAKE', 'AOM'))]
# inherit this from the mozilla build config
cache_variables.remove('HAVE_PTHREAD_H')
outdir = os.path.join('config', system, arch, 'config')
try:
os.makedirs(outdir)
except OSError:
pass
with open(os.path.join(outdir, 'aom_config.h'), 'w') as f:
header = variables['h_file_header_block']
f.write(header)
f.write('\n')
for var in cache_variables:
f.write('#define %s %s\n' % (var, variables[var]))
f.write('#endif /* AOM_CONFIG_H_ */\n')
with open(os.path.join(outdir, 'aom_config.asm'), 'w') as f:
header = variables['asm_file_header_block']
f.write(header)
f.write('\n')
for var in cache_variables:
if var in ['INCLUDE_INSTALL_DIR', 'INLINE',
'LIB_INSTALL_DIR', 'RESTRICT']:
continue
if arch == 'arm':
f.write('.equ %s, %s\n' % (var, variables[var]))
else:
f.write('%s equ %s\n' % (var, variables[var]))
if arch == 'arm':
f.write('.section .note.GNU-stack,"",%progbits')
if __name__ == '__main__':
import sys
shared_variables = {
'CMAKE_CURRENT_SOURCE_DIR': AOM_DIR,
'CONFIG_AV1_DECODER': 1,
'CONFIG_AV1_ENCODER': 0,
'CONFIG_COLLECT_INTER_MODE_RD_STATS': 0,
'CONFIG_INSPECTION': 0,
'CONFIG_INTERNAL_STATS': 0,
'CONFIG_LIBYUV': 0,
'CONFIG_LOWBITDEPTH': 1,
'CONFIG_MULTITHREAD': 1,
'CONFIG_PIC': 0,
'CONFIG_WEBM_IO': 0,
'CMAKE_CURRENT_BINARY_DIR': 'OBJDIR',
'CMAKE_INSTALL_PREFIX': 'INSTALLDIR',
'CMAKE_SYSTEM_NAME': 'Linux',
'CMAKE_SYSTEM_PROCESSOR': 'x86_64',
'ENABLE_EXAMPLES': 0,
'ENABLE_TESTS': 0,
'ENABLE_TOOLS': 0,
'ENABLE_DOCS': 0,
'AOM_TEST_TEST_CMAKE_': 1, #prevent building tests
}
f = open('sources.mozbuild', 'wb')
f.write('# This file is generated. Do not edit.\n\n')
f.write('files = {\n')
platforms = [
('armv7', 'linux', 'arm', True),
('generic', '', 'generic', True),
('x86', 'linux', 'ia32', True),
('x86', 'win', 'mingw32', False),
('x86', 'win', 'ia32', False),
('x86_64', 'linux', 'x64', True),
('x86_64', 'mac', 'x64', False),
('x86_64', 'win', 'x64', False),
('x86_64', 'win', 'mingw64', False),
]
for cpu, system, arch, generate_sources in platforms:
print('Running CMake for %s (%s)' % (cpu, system))
variables = shared_variables.copy()
variables['AOM_TARGET_CPU'] = cpu
# We skip compiling test programs that detect these
variables['HAVE_FEXCEPT'] = 1
variables['INLINE'] = 'inline'
if cpu == 'x86' and system == 'linux':
variables['CONFIG_PIC'] = 1
if cpu == 'armv7':
variables['CONFIG_PIC'] = 1
if system == 'win' and not arch.startswith('mingw'):
variables['MSVC'] = 1
cache_variables = []
sources = cp.parse(variables, cache_variables,
os.path.join(AOM_DIR, 'CMakeLists.txt'))
# Disable HAVE_UNISTD_H.
cache_variables.remove('HAVE_UNISTD_H')
write_aom_config(system, arch, variables, cache_variables)
# Currently, the sources are the same for each supported cpu
# regardless of operating system / compiler. If that changes, we'll
# have to generate sources for each combination.
if generate_sources:
# Remove spurious sources and perl files
sources = filter(lambda x: x.startswith(AOM_DIR), sources)
sources = filter(lambda x: not x.endswith('.pl'), sources)
# Filter out exports
exports = filter(lambda x: re.match(os.path.join(AOM_DIR, '(aom|aom_mem|aom_ports|aom_scale)/.*h$'), x), sources)
exports = filter(lambda x: not re.search('(internal|src)', x), exports)
exports = filter(lambda x: not re.search('(emmintrin_compat.h|mem_.*|msvc.h|aom_once.h)$', x), exports)
for export in exports:
sources.remove(export)
# Remove header files
sources = sorted(filter(lambda x: not x.endswith('.h'), sources))
# The build system is unhappy if two files have the same prefix
# In libaom, sometimes .asm and .c files share the same prefix
for i in xrange(len(sources) - 1):
if sources[i].endswith('.asm'):
if os.path.splitext(sources[i])[0] == os.path.splitext(sources[i + 1])[0]:
old = sources[i]
sources[i] = sources[i].replace('.asm', '_asm.asm')
if not os.path.exists(sources[i]):
os.rename(old, sources[i])
f.write(' \'%s_EXPORTS\': [\n' % arch.upper())
for export in sorted(exports):
f.write(' \'%s\',\n' % export)
f.write(" ],\n")
f.write(' \'%s_SOURCES\': [\n' % arch.upper())
for source in sorted(sources):
f.write(' \'%s\',\n' % source)
f.write(' ],\n')
print('\n')
f.write('}\n')
f.close()
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