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SdkHelpers.ambuild
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# vim: set sts=2 ts=8 sw=2 tw=99 et ft=python:
import json
import os
class SdkTarget(object):
def __init__(self, sdk, cxx, protoc):
self.sdk = sdk
self.cxx = cxx
self.protoc = protoc
class SdkHelpers(object):
def __init__(self):
self.sdks = {}
self.sdk_manifests = []
self.sdk_filter = None
self.find_sdk_path = None
self.sdk_targets = []
# find_sdk_path must be set to use.
def findSdks(self, builder, cxx_list, sdk_list):
not_found = []
sdk_remaining = set(sdk_list)
for sdk_name, sdk in SdkHelpers.getSdks(builder):
self.sdk_manifests.append(sdk)
# Skip SDKs that weren't specified or are not supported.
if not self.shouldFindSdk(sdk, sdk_list):
continue
# Skip SDKs that won't build on any targets.
if not SdkHelpers.sdkHasBuildTargets(sdk, cxx_list):
continue
sdk_path = self.find_sdk_path(sdk_name)
if sdk_path is None:
if SdkHelpers.shouldRequireSdk(sdk_name, sdk_list):
raise Exception('Could not find a valid path for {0}'.format(sdk_name))
not_found.append(sdk_name)
continue
sdk_remaining.discard(sdk_name)
sdk['path'] = sdk_path
self.sdks[sdk_name] = sdk
for cxx in cxx_list:
if SdkHelpers.shouldBuildSdk(sdk, cxx):
protoc = None
rel_protoc_path = sdk[cxx.target.platform].get('protoc_path', None)
if rel_protoc_path:
protoc_path = os.path.join(sdk['path'], rel_protoc_path)
protoc = builder.DetectProtoc(path = protoc_path)
for path in sdk['include_paths']:
protoc.includes += [os.path.join(sdk['path'], path)]
self.sdk_targets += [SdkTarget(sdk, cxx, protoc)]
if 'present' in sdk_list:
for sdk in not_found:
print('Warning: hl2sdk-{} was not found, and will not be included in build.'.format(sdk))
elif len(sdk_remaining) and 'all' not in sdk_list:
for sdk in sdk_remaining:
print('Error: hl2sdk-{} was not found.'.format(sdk))
raise Exception('Missing hl2sdks: {}'.format(','.join(sdk_remaining)))
if not len(self.sdk_targets) and len(sdk_list):
raise Exception('No buildable SDKs were found, nothing to build.')
@staticmethod
def shouldRequireSdk(sdk_name, sdk_list):
if 'all' in sdk_list:
return sdk_name != 'mock'
if sdk_name in sdk_list:
return True
return 'present' not in sdk_list
def shouldFindSdk(self, sdk, sdk_list):
# Remove SDKs that the project doesn't support.
if self.sdk_filter and not self.sdk_filter(sdk):
return False
if 'all' in sdk_list or 'present' in sdk_list:
return True
return sdk['name'] in sdk_list
@staticmethod
def sdkHasBuildTargets(sdk, cxx_list):
for cxx in cxx_list:
if SdkHelpers.shouldBuildSdk(sdk, cxx):
return True
return False
@staticmethod
def shouldBuildSdk(sdk, cxx):
if cxx.target.platform in sdk['platforms']:
if cxx.target.arch in sdk['platforms'][cxx.target.platform]:
return True
return False
@staticmethod
def addLists(sdk, list_name, cxx):
result = SdkHelpers.getLists(sdk, list_name, cxx)
cxx_list = getattr(cxx, list_name)
cxx_list.extend(result)
@staticmethod
def getLists(sdk, list_name, cxx):
result = SdkHelpers.getListsImpl(sdk, list_name, cxx)
if Project in sdk:
result += SdkHelpers.getListsImpl(sdk[Project], list_name, cxx)
return result
@staticmethod
def getListsImpl(info, list_name, cxx):
result = []
if cxx.target.platform in info:
platform_info = info[cxx.target.platform]
result += platform_info.get(list_name, [])
if cxx.target.arch in platform_info:
arch_info = platform_info[cxx.target.arch]
result += arch_info.get(list_name, [])
return result
@staticmethod
def getSdks(builder):
try:
# Requires new enough ambuild version for __file__ to be defined
sdk_manifest_dir = os.path.join(os.path.dirname(__file__), 'manifests')
except NameError:
sdk_manifest_dir = os.path.join(builder.sourcePath, 'hl2sdk-manifests', 'manifests')
out = []
for sdk_manifest in os.listdir(sdk_manifest_dir):
sdk_name, _ = os.path.splitext(sdk_manifest)
sdk_manifest_path = os.path.join(sdk_manifest_dir, sdk_manifest)
with open(sdk_manifest_path, 'rt') as fp:
sdk = json.load(fp)
builder.AddConfigureFile(sdk_manifest_path)
out.append((sdk_name, sdk))
return out
@staticmethod
def configureCxx(context, binary, sdk):
cxx = binary.compiler
# Includes/defines.
cxx.defines += ['SOURCE_ENGINE={}'.format(sdk['code'])]
cxx.defines += ['GAME_DLL']
if sdk['name'] in ['sdk2013', 'bms', 'pvkii', 'tf2', 'css', 'dods', 'hl2dm'] and cxx.like('gcc'):
# The 2013 SDK already has these in public/tier0/basetypes.h
rm_defines = [
'stricmp=strcasecmp', '_stricmp=strcasecmp',
'_snprintf=snprintf', '_vsnprintf=vsnprintf,'
]
for rm_define in rm_defines:
if rm_define in cxx.defines:
cxx.defines.remove(rm_define)
if cxx.family == 'msvc':
cxx.defines += ['COMPILER_MSVC']
if cxx.target.arch == 'x86':
cxx.defines += ['COMPILER_MSVC32']
elif cxx.target.arch == 'x86_64':
cxx.defines += ['COMPILER_MSVC64']
if cxx.version >= 1900:
cxx.linkflags += ['legacy_stdio_definitions.lib']
else:
cxx.defines += ['COMPILER_GCC']
if cxx.target.arch == 'x86_64':
cxx.defines += ['X64BITS', 'PLATFORM_64BITS']
SdkHelpers.addLists(sdk, 'defines', cxx)
SdkHelpers.addLists(sdk, 'linkflags', cxx)
for path in sdk['include_paths']:
cxx.cxxincludes += [os.path.join(sdk['path'], path)]
# Link steps.
for lib in SdkHelpers.getLists(sdk, 'libs', cxx):
cxx.linkflags += [os.path.join(sdk['path'], lib)]
for lib in SdkHelpers.getLists(sdk, 'postlink_libs', cxx):
cxx.postlink += [os.path.join(sdk['path'], lib)]
# cflags
for cflag in SdkHelpers.getLists(sdk, 'cflags', cxx):
cxx.cflags += [cflag]
if cxx.target.platform == 'linux':
cxx.linkflags[0:0] = ['-lm']
elif cxx.target.platform == 'mac':
cxx.linkflags.append('-liconv')
dynamic_libs = SdkHelpers.getLists(sdk, 'dynamic_libs', cxx)
for library in dynamic_libs:
file_name = os.path.split(library)[1]
source_path = os.path.join(sdk['path'], library)
output_path = os.path.join(binary.localFolder, file_name)
context.AddFolder(binary.localFolder)
output = context.AddSymlink(source_path, output_path)
cxx.weaklinkdeps += [output]
cxx.linkflags[0:0] = [file_name]
if cxx.target.platform == 'linux':
if sdk[cxx.target.platform]['uses_system_cxxlib']:
cxx.linkflags.remove('-static-libstdc++')
cxx.linkflags += ['-lstdc++']
elif cxx.target.platform == 'mac':
if sdk[cxx.target.platform]['cxxlib'] == 'stdc++':
# Switch libc++ to libstdc++ for protobuf linkage.
cxx.cxxflags.remove('-stdlib=libc++')
cxx.linkflags.remove('-stdlib=libc++')
cxx.linkflags.remove('-lc++')
cxx.cxxflags += ['-stdlib=libstdc++']
cxx.linkflags += ['-stdlib=libstdc++']
cxx.linkflags += ['-lstdc++']
rvalue = SdkHelpers()