# vim: set sts=2 ts=8 sw=2 tw=99 et ft=python:
import os, sys, shutil
# Simple extensions do not need to modify this file.
def ResolveEnvPath(env, folder):
if env in os.environ:
path = os.environ[env]
if os.path.isdir(path):
return path
return None
head = os.getcwd()
oldhead = None
while head != None and head != oldhead:
path = os.path.join(head, folder)
if os.path.isdir(path):
return path
oldhead = head
head, tail = os.path.split(head)
return None
def Normalize(path):
return os.path.abspath(os.path.normpath(path))
def SetArchFlags(compiler):
if compiler.behavior == 'gcc':
if compiler.target.arch == 'x86_64':
compiler.cflags += ['-fPIC']
elif compiler.like('msvc'):
if compiler.target.arch == 'x86_64':
compiler.defines += ['WIN64']
class ScriptingMixin:
# helper for building plugins
# call detectSPCompiler prior to running build scripts
def __init__(self):
self.spcomp_bin = None
self.plugins = {}
def detectSPCompiler(self):
if builder.options.no_plugins:
return
spcomp_path = builder.options.spcomp_path
if not spcomp_path or not os.path.isdir(spcomp_path):
spcomp_found = shutil.which("spcomp")
if not spcomp_found:
raise Exception('Could not find a path for spcomp')
self.spcomp_bin = shutil.which('spcomp', path = spcomp_path)
if not self.spcomp_bin:
raise Exception('Could not find spcomp')
class ExtensionConfig(ScriptingMixin, object):
def __init__(self):
super().__init__()
self.binaries = []
self.extensions = []
self.generated_headers = None
self.mms_root = None
self.sm_root = None
self.all_targets = []
self.target_archs = set()
if builder.options.targets:
target_archs = builder.options.targets.split(',')
else:
target_archs = ['x86']
if builder.backend != 'amb2':
target_archs.append('x86_64')
for arch in target_archs:
try:
cxx = builder.DetectCxx(target_arch = arch)
self.target_archs.add(cxx.target.arch)
except Exception as e:
# Error if archs were manually overridden.
if builder.options.targets:
raise
print('Skipping target {}: {}'.format(arch, e))
continue
self.all_targets.append(cxx)
if not self.all_targets:
raise Exception('No suitable C/C++ compiler was found.')
@property
def tag(self):
if builder.options.debug == '1':
return 'Debug'
return 'Release'
def detectSDKs(self):
if builder.options.sm_path:
self.sm_root = builder.options.sm_path
else:
self.sm_root = ResolveEnvPath('SOURCEMOD112', 'sourcemod-1.12')
if not self.sm_root:
self.sm_root = ResolveEnvPath('SOURCEMOD', 'sourcemod')
if not self.sm_root:
self.sm_root = ResolveEnvPath('SOURCEMOD_DEV', 'sourcemod-central')
if not self.sm_root or not os.path.isdir(self.sm_root):
raise Exception('Could not find a source copy of SourceMod')
self.sm_root = Normalize(self.sm_root)
if builder.options.mms_path:
self.mms_root = builder.options.mms_path
else:
self.mms_root = ResolveEnvPath('MMSOURCE112', 'mmsource-1.12')
if not self.mms_root:
self.mms_root = ResolveEnvPath('MMSOURCE', 'metamod-source')
if not self.mms_root:
self.mms_root = ResolveEnvPath('MMSOURCE_DEV', 'mmsource-central')
if not self.mms_root or not os.path.isdir(self.mms_root):
raise Exception('Could not find a source copy of Metamod:Source')
self.mms_root = Normalize(self.mms_root)
def configure(self):
allowed_archs = ['x86','x86_64']
if not set(self.target_archs).issubset(allowed_archs):
raise Exception('Unknown target architecture: {0}'.format(self.target_archs))
for cxx in self.all_targets:
self.configure_cxx(cxx)
def configure_cxx(self, cxx):
if cxx.family == 'msvc':
if cxx.version < 1914 and builder.options.generator != 'vs':
raise Exception(f'Only MSVC 2017 15.7 and later are supported, full C++17 support is required. ({str(cxx.version)} < 1914)')
elif cxx.family == 'gcc':
if cxx.version < 'gcc-9':
raise Exception('Only GCC versions 9 or later are supported, full C++17 support is required.')
elif cxx.family == 'clang':
if cxx.version < 'clang-5':
raise Exception('Only clang versions 5 or later are supported, full C++17 support is required.')
if cxx.like('gcc'):
self.configure_gcc(cxx)
elif cxx.family == 'msvc':
self.configure_msvc(cxx)
# Optimizaiton
if builder.options.opt == '1':
cxx.defines += ['NDEBUG']
# Debugging
if builder.options.debug == '1':
cxx.defines += ['DEBUG', '_DEBUG']
# Platform-specifics
if cxx.target.platform == 'linux':
self.configure_linux(cxx)
elif cxx.target.platform == 'mac':
self.configure_mac(cxx)
elif cxx.target.platform == 'windows':
self.configure_windows(cxx)
# Arch-specifics; this is copied from hl2sdk-manifests (why??)
if cxx.target.arch == 'x86_64':
cxx.defines += ['X64BITS', 'PLATFORM_64BITS']
cxx.includes += [
os.path.join(builder.sourcePath, 'public'),
]
def configure_gcc(self, cxx):
cxx.defines += [
'stricmp=strcasecmp',
'_stricmp=strcasecmp',
'_snprintf=snprintf',
'_vsnprintf=vsnprintf',
'HAVE_STDINT_H',
'GNUC',
]
cxx.cflags += [
'-pipe',
'-fno-strict-aliasing',
'-Wall',
'-Werror',
'-Wno-unused',
'-Wno-switch',
'-Wno-array-bounds',
'-fvisibility=hidden',
]
if cxx.target.arch in ['x86', 'x86_64']:
cxx.cflags += ['-msse']
cxx.cxxflags += ['-std=c++17']
cxx.cxxflags += [
'-fno-threadsafe-statics',
'-Wno-non-virtual-dtor',
'-Wno-overloaded-virtual',
'-Wno-register',
'-fvisibility-inlines-hidden',
]
have_gcc = cxx.family == 'gcc'
have_clang = cxx.family == 'clang'
if cxx.version >= 'clang-3.9' or cxx.version == 'clang-3.4' or cxx.version > 'apple-clang-6.0':
cxx.cxxflags += ['-Wno-expansion-to-defined']
if cxx.version == 'clang-3.9' or cxx.version == 'apple-clang-8.0':
cxx.cflags += ['-Wno-varargs']
if cxx.version >= 'clang-3.4' or cxx.version >= 'apple-clang-7.0':
cxx.cxxflags += ['-Wno-inconsistent-missing-override']
if cxx.version >= 'clang-2.9' or cxx.version >= 'apple-clang-3.0':
cxx.cxxflags += ['-Wno-null-dereference']
if have_clang or (cxx.version >= 'gcc-4.6'):
cxx.cflags += ['-Wno-narrowing']
if have_clang or (cxx.version >= 'gcc-4.7'):
cxx.cxxflags += ['-Wno-delete-non-virtual-dtor']
if cxx.version >= 'gcc-4.8':
cxx.cflags += ['-Wno-unused-result']
if cxx.version >= 'gcc-9.0':
cxx.cxxflags += ['-Wno-class-memaccess', '-Wno-packed-not-aligned']
if have_clang:
cxx.cxxflags += ['-Wno-implicit-exception-spec-mismatch']
if cxx.version >= 'apple-clang-5.1' or cxx.version >= 'clang-3.4':
cxx.cxxflags += ['-Wno-deprecated-register']
else:
cxx.cxxflags += ['-Wno-deprecated']
cxx.cflags += ['-Wno-sometimes-uninitialized']
# Work around SDK warnings.
if cxx.version >= 'clang-10.0' or cxx.version >= 'apple-clang-12.0':
cxx.cflags += [
'-Wno-implicit-int-float-conversion',
'-Wno-tautological-overlap-compare',
]
if have_gcc:
cxx.cflags += ['-mfpmath=sse']
cxx.cflags += ['-Wno-maybe-uninitialized']
if builder.options.opt == '1':
cxx.cflags += ['-O3']
# Don't omit the frame pointer.
cxx.cflags += ['-fno-omit-frame-pointer']
def configure_msvc(self, cxx):
if builder.options.debug == '1':
cxx.cflags += ['/MTd']
cxx.linkflags += ['/NODEFAULTLIB:libcmt']
else:
cxx.cflags += ['/MT']
cxx.defines += [
'_CRT_SECURE_NO_DEPRECATE',
'_CRT_SECURE_NO_WARNINGS',
'_CRT_NONSTDC_NO_DEPRECATE',
'_ITERATOR_DEBUG_LEVEL=0',
]
cxx.cflags += [
'/W3',
]
cxx.cxxflags += [
'/EHsc',
'/GR-',
'/TP',
'/std:c++17',
]
cxx.linkflags += [
'kernel32.lib',
'user32.lib',
'gdi32.lib',
'winspool.lib',
'comdlg32.lib',
'advapi32.lib',
'shell32.lib',
'ole32.lib',
'oleaut32.lib',
'uuid.lib',
'odbc32.lib',
'odbccp32.lib',
]
if builder.options.opt == '1':
cxx.cflags += ['/Ox', '/Zo']
cxx.linkflags += ['/OPT:ICF', '/OPT:REF']
if builder.options.debug == '1':
cxx.cflags += ['/Od', '/RTC1']
# This needs to be after our optimization flags which could otherwise disable it.
# Don't omit the frame pointer.
cxx.cflags += ['/Oy-']
def configure_linux(self, cxx):
cxx.defines += ['LINUX', '_LINUX', 'POSIX', '_FILE_OFFSET_BITS=64']
cxx.linkflags += ['-lm']
if cxx.family == 'gcc':
cxx.linkflags += ['-static-libgcc']
elif cxx.family == 'clang':
cxx.linkflags += ['-lgcc_eh']
cxx.linkflags += ['-static-libstdc++']
def configure_mac(self, cxx):
cxx.defines += ['OSX', '_OSX', 'POSIX', 'KE_ABSOLUTELY_NO_STL']
cxx.cflags += ['-mmacosx-version-min=10.15']
cxx.linkflags += [
'-mmacosx-version-min=10.15',
'-stdlib=libc++',
'-lc++',
]
cxx.cxxflags += ['-stdlib=libc++']
def configure_windows(self, cxx):
cxx.defines += ['WIN32', '_WINDOWS']
def ConfigureForExtension(self, context, compiler):
compiler.cxxincludes += [
os.path.join(context.currentSourcePath),
os.path.join(context.currentSourcePath, 'sdk'),
os.path.join(self.sm_root, 'public'),
os.path.join(self.sm_root, 'public', 'extensions'),
os.path.join(self.sm_root, 'sourcepawn', 'include'),
os.path.join(self.sm_root, 'public', 'amtl', 'amtl'),
os.path.join(self.sm_root, 'public', 'amtl'),
]
return compiler
def ConfigureForHL2(self, binary):
compiler = binary.compiler
SetArchFlags(compiler)
compiler.cxxincludes += [
os.path.join(self.mms_root, 'core'),
os.path.join(self.mms_root, 'core', 'sourcehook'),
]
compiler.defines += ['META_NO_HL2SDK']
return binary
def HL2Library(self, context, name):
binary = context.compiler.Library(name)
self.ConfigureForExtension(context, binary.compiler)
return self.ConfigureForHL2(binary)
def HL2Project(self, context, name):
project = builder.LibraryProject(name)
return project
def HL2Config(self, context, project, name, compiler):
binary = project.Configure(compiler, name, '{0} - {1}'.format(self.tag, compiler.target.arch))
self.ConfigureForExtension(context, binary.compiler)
return self.ConfigureForHL2(binary)
Extension = ExtensionConfig()
Extension.detectSDKs()
Extension.detectSPCompiler()
Extension.configure()
# This will clone the list and each cxx object as we recurse, preventing child
# scripts from messing up global state.
builder.targets = builder.CloneableList(Extension.all_targets)
# Add additional buildscripts here
BuildScripts = [
'AMBuilder',
]
if not builder.options.no_plugins:
BuildScripts += [
'scripting/AMBuilder',
]
if builder.backend == 'amb2':
BuildScripts += [
'PackageScript',
]
builder.Build(BuildScripts, { 'Extension': Extension })