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mac: Convert cef_sandbox to a shared library (see #3928)

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Replace statically linked cef_sandbox.a with dynamically loaded
libcef_sandbox.dylib. See the SandboxSetup Wiki page for details.
This commit is contained in:
Marshall Greenblatt
2025-05-16 15:16:15 -04:00
parent 353b6fb138
commit cfaa10a746
11 changed files with 220 additions and 280 deletions
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49
tools/gn_args.py
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@ -518,47 +518,6 @@ def GetConfigArgs(args, is_debug, cpu):
return result
def GetConfigArgsSandbox(platform, args, is_debug, cpu):
"""
Return merged GN args for the cef_sandbox configuration and validate.
"""
add_args = {
# Avoid libucrt.lib linker errors.
'use_allocator_shim': False,
# PartitionAlloc is selected as the default allocator in some cases.
# We can't use it because it requires use_allocator_shim=true.
'use_partition_alloc_as_malloc': False,
'use_partition_alloc': False,
# These require use_partition_alloc_as_malloc=true, so disable them.
'enable_backup_ref_ptr_support': False,
'enable_dangling_raw_ptr_checks': False,
'enable_dangling_raw_ptr_feature_flag': False,
# Avoid /LTCG linker warnings and generate smaller lib files.
'is_official_build': False,
# Disable use of thin archives with lld. Thin archives contain just the
# symbol table and the path to find the original .o files. They are
# generally incompatible with default platform ld/link versions and
# shouldn't be distributed due to the external .o file dependencies.
'use_thin_archives': False,
}
if not is_debug:
# Disable DCHECKs in Release builds.
add_args['dcheck_always_on'] = False
result = MergeDicts(args, add_args, {
'is_debug': is_debug,
'target_cpu': cpu,
})
ValidateArgs(result, is_debug)
return result
def LinuxSysrootExists(cpu):
"""
Returns true if the sysroot for the specified |cpu| architecture exists.
@ -632,14 +591,6 @@ def GetAllPlatformConfigs(build_args, quiet=False):
result['Debug_GN_' + cpu] = GetConfigArgs(args, True, cpu)
result['Release_GN_' + cpu] = GetConfigArgs(args, False, cpu)
if platform == 'mac' and GetArgValue(args, 'is_official_build'):
# Build cef_sandbox.lib with a different configuration.
if create_debug:
result['Debug_GN_' + cpu + '_sandbox'] = GetConfigArgsSandbox(
platform, args, True, cpu)
result['Release_GN_' + cpu + '_sandbox'] = GetConfigArgsSandbox(
platform, args, False, cpu)
out_configs = os.environ.get('GN_OUT_CONFIGS', None)
if not out_configs is None:
# Only generate the specified configurations.