Add generate_sources_mozbuild.py

This uses the cmakeparser to generate sources.mozbuild and the config files for each platform.

1 files changed, 172 insertions, 0 deletions

diff --git a/media/libaom/generate_sources_mozbuild.py b/media/libaom/generate_sources_mozbuild.py
new file mode 100644
index 0000000000..d3b3891839
--- /dev/null
+++ b/media/libaom/generate_sources_mozbuild.py
@@ -0,0 +1,172 @@
+# 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_BGSPRITE': 0,
+        'CONFIG_CDEF_SINGLEPASS': 0,
+        'CONFIG_CFL': 0,
+        'CONFIG_HASH_ME': 0,
+        'CONFIG_HIGH_BITDEPTH': 0,
+        'CONFIG_INSPECTION': 0,
+        'CONFIG_INTERNAL_STATS': 0,
+        'CONFIG_LIBYUV': 0,
+        'CONFIG_LOWBITDEPTH': 0,
+        'CONFIG_LV_MAP': 0,
+        'CONFIG_MOTION_VAR': 0,
+        'CONFIG_MULTITHREAD': 1,
+        'CONFIG_NCOBMC_ADAPT_WEIGHT': 0,
+        'CONFIG_PIC': 0,
+        'CONFIG_PVQ': 0,
+        'CONFIG_UNIT_TESTS': 0,
+        'CONFIG_WEBM_IO': 0,
+        'CONFIG_XIPHRC': 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,
+        '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 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()