Add ambuild 2.2 compat, Add libuv build script launched in configure.py

AMBuildScript

@@ -1,5 +1,44 @@
 # vim: set sts=2 ts=8 sw=2 tw=99 et ft=python:
 import os, sys
+import traceback
+
+class SDK(object):
+  def __init__(self, sdk, ext, aDef, name, platform, dir):
+    self.folder = 'hl2sdk-' + dir
+    self.envvar = sdk
+    self.ext = ext
+    self.code = aDef
+    self.define = name
+    self.platform = platform
+    self.name = dir
+    self.path = None # Actual path
+    self.platformSpec = platform
+
+    # By default, nothing supports x64.
+    if type(platform) is list:
+      self.platformSpec = {p: ['x86'] for p in platform}
+    else:
+      self.platformSpec = platform
+
+  def shouldBuild(self, targets):
+    for cxx in targets:
+      if cxx.target.platform in self.platformSpec:
+        if cxx.target.arch in self.platformSpec[cxx.target.platform]:
+          return True
+    return False
+
+WinOnly = ['windows']
+WinLinux = ['windows', 'linux']
+WinLinuxMac = ['windows', 'linux', 'mac']
+CSGO = {
+  'windows': ['x86'],
+  'linux': ['x86', 'x86_64'],
+  'mac': ['x86_64']
+}
+
+PossibleSDKs = {
+  'sdk2013': SDK('HL2SDK2013', '2.sdk2013', '9', 'SDK2013', WinLinuxMac, 'sdk2013'),
+}
 
 def ResolveEnvPath(env, folder):
   if env in os.environ:
@@ -21,14 +60,54 @@ def ResolveEnvPath(env, folder):
 
 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 AsyncSocketConfig(object):
+class ExtensionConfig(object):
   def __init__(self):
     self.sdks = {}
     self.binaries = []
+    self.spvm = []
     self.extensions = []
     self.generated_headers = None
     self.sm_root = None
+    self.mms_root = None
+    self.mysql_root = {}
+    self.spcomp = None
+    self.spcomp_bins = None
+    self.smx_files = {}
+    self.versionlib = 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):
@@ -36,26 +115,95 @@ class AsyncSocketConfig(object):
       return 'Debug'
     return 'Release'
 
+  def detectProductVersion(self):
+    builder.AddConfigureFile('product.version')
+
+    # For OS X dylib versioning
+    import re
+    with open(os.path.join(builder.sourcePath, 'product.version'), 'r') as fp:
+      productContents = fp.read()
+    m = re.match('(\d+)\.(\d+)\.(\d+).*', productContents)
+    if m == None:
+      self.productVersion = '1.0.0'
+    else:
+      major, minor, release = m.groups()
+      self.productVersion = '{0}.{1}.{2}'.format(major, minor, release)
+
   def detectSDKs(self):
+    sdk_list = builder.options.sdks.split(',')
+    use_none = sdk_list[0] == 'none'
+    use_all = sdk_list[0] == 'all'
+    use_present = sdk_list[0] == 'present'
+
+    for sdk_name in PossibleSDKs:
+      sdk = PossibleSDKs[sdk_name]
+      if sdk.shouldBuild(self.all_targets):
+        if builder.options.hl2sdk_root:
+          sdk_path = os.path.join(builder.options.hl2sdk_root, sdk.folder)
+        else:
+          sdk_path = ResolveEnvPath(sdk.envvar, sdk.folder)
+        if sdk_path is None or not os.path.isdir(sdk_path):
+          if use_all or sdk_name in sdk_list:
+            raise Exception('Could not find a valid path for {0}'.format(sdk.envvar))
+          continue
+        if use_all or use_present or sdk_name in sdk_list:
+          sdk.path = Normalize(sdk_path)
+          self.sdks[sdk_name] = sdk
+
+    if len(self.sdks) < 1 and len(sdk_list) and not use_none:
+      raise Exception('No applicable SDKs were found, nothing to do')
+
     if builder.options.sm_path:
       self.sm_root = builder.options.sm_path
     else:
-      self.sm_root = ResolveEnvPath('SOURCEMOD18', 'sourcemod-1.8')
+      self.sm_root = ResolveEnvPath('SOURCEMOD18', 'sourcemod-1.10')
       if not self.sm_root:
-        self.sm_root = ResolveEnvPath('SOURCEMOD', 'sourcemod')
+        self.sm_root = ResolveEnvPath('SOURCEMOD', 'sourcemod-source')
       if not self.sm_root:
         self.sm_root = ResolveEnvPath('SOURCEMOD_DEV', 'sourcemod-central')
+      if not self.sm_root:
+        self.sm_root = ResolveEnvPath('SOURCEMOD', 'sourcemod')
 
     if not self.sm_root or not os.path.isdir(self.sm_root):
-      raise Exception('Could not find a source copy of SourceMod')
+      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('MMSOURCE110', 'mmsource-1.10')
+      if not self.mms_root:
+        self.mms_root = ResolveEnvPath('MMSOURCE_DEV', 'metamod-source')
+      if not self.mms_root:
+        self.mms_root = ResolveEnvPath('MMSOURCE_DEV', 'mmsource-central')
+      if not self.mms_root:
+        self.mms_root = ResolveEnvPath('MMSOURCE_DEV', 'metamod')
+
+    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):
-    cxx = builder.DetectCompilers()
+    if not set(self.target_archs).issubset(['x86', 'x86_64']):
+      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 < 1900:
+        raise Exception('Only MSVC 2015 and later are supported, c++14 support is required.')
+    if cxx.family == 'gcc':
+      if cxx.version < 'gcc-4.9':
+        raise Exception('Only GCC versions 4.9 or greater are supported, c++14 support is required.')
+    if cxx.family == 'clang':
+      if cxx.version < 'clang-3.4':
+        raise Exception('Only clang versions 3.4 or greater are supported, c++14 support is required.')
 
     if cxx.like('gcc'):
       self.configure_gcc(cxx)
-    elif cxx.vendor == 'msvc':
+    elif cxx.family == 'msvc':
       self.configure_msvc(cxx)
 
     # Optimizaiton
@@ -67,11 +215,11 @@ class AsyncSocketConfig(object):
       cxx.defines += ['DEBUG', '_DEBUG']
 
     # Platform-specifics
-    if builder.target_platform == 'linux':
+    if cxx.target.platform == 'linux':
       self.configure_linux(cxx)
-    elif builder.target_platform == 'mac':
+    elif cxx.target.platform == 'mac':
       self.configure_mac(cxx)
-    elif builder.target_platform == 'windows':
+    elif cxx.target.platform == 'windows':
       self.configure_windows(cxx)
 
     # Finish up.
@@ -91,36 +239,45 @@ class AsyncSocketConfig(object):
     cxx.cflags += [
       '-pipe',
       '-fno-strict-aliasing',
-#      '-Wall',
+      '-Wall',
       '-Werror',
       '-Wno-unused',
       '-Wno-switch',
       '-Wno-array-bounds',
       '-msse',
-      '-m32',
       '-fvisibility=hidden',
     ]
+
+    if cxx.version == 'apple-clang-6.0' or cxx.version == 'clang-3.4':
+      cxx.cxxflags += ['-std=c++1y']
+    else:
+      cxx.cxxflags += ['-std=c++14']
+
     cxx.cxxflags += [
-      '-std=c++14',
-      '-fno-exceptions',
       '-fno-threadsafe-statics',
       '-Wno-non-virtual-dtor',
       '-Wno-overloaded-virtual',
       '-fvisibility-inlines-hidden',
     ]
-    cxx.linkflags += ['-m32']
 
-    have_gcc = cxx.vendor == 'gcc'
+    have_gcc = cxx.family == 'gcc'
-    have_clang = cxx.vendor == 'clang'
+    have_clang = cxx.family == 'clang'
-    if cxx.version >= 'clang-3.6':
+    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':
@@ -129,11 +286,30 @@ class AsyncSocketConfig(object):
         cxx.cxxflags += ['-Wno-deprecated']
       cxx.cflags += ['-Wno-sometimes-uninitialized']
 
+    # Work around SDK warnings.
+    if cxx.version >= 'clang-10.0':
+        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']
+      cxx.cflags += [
+            '-O3',
+            '-fexperimental-new-pass-manager',
+            '-mllvm',
+            '-inline-threshold=1000',
+            '-mllvm',
+            '-vectorize-loops',
+            '-ftree-vectorize',
+      ]
+
+    # Don't omit the frame pointer.
+    cxx.cflags += ['-fno-omit-frame-pointer']
 
   def configure_msvc(self, cxx):
     if builder.options.debug == '1':
@@ -156,7 +332,6 @@ class AsyncSocketConfig(object):
       '/TP',
     ]
     cxx.linkflags += [
-      '/MACHINE:X86',
       'kernel32.lib',
       'user32.lib',
       'gdi32.lib',
@@ -183,28 +358,90 @@ class AsyncSocketConfig(object):
     cxx.cflags += ['/Oy-']
 
   def configure_linux(self, cxx):
-    cxx.defines += ['_LINUX', 'POSIX']
+    cxx.defines += ['_LINUX', 'POSIX', '_FILE_OFFSET_BITS=64']
-    cxx.linkflags += ['-Wl,--exclude-libs,ALL', '-lm']
+    cxx.linkflags += ['-lm']
-    if cxx.vendor == 'gcc':
+    if cxx.family == 'gcc':
       cxx.linkflags += ['-static-libgcc']
-    elif cxx.vendor == 'clang':
+    elif cxx.family == 'clang':
       cxx.linkflags += ['-lgcc_eh']
     cxx.linkflags += ['-static-libstdc++']
 
   def configure_mac(self, cxx):
-    cxx.defines += ['OSX', '_OSX', 'POSIX']
+    cxx.defines += ['OSX', '_OSX', 'POSIX', 'KE_ABSOLUTELY_NO_STL']
-    cxx.cflags += ['-mmacosx-version-min=10.5']
+    cxx.cflags += ['-mmacosx-version-min=10.7']
     cxx.linkflags += [
-      '-mmacosx-version-min=10.5',
+      '-mmacosx-version-min=10.7',
-      '-arch', 'i386',
+      '-stdlib=libc++',
-      '-lstdc++',
+      '-lc++',
-      '-stdlib=libstdc++',
     ]
-    cxx.cxxflags += ['-stdlib=libstdc++']
+    cxx.cxxflags += ['-stdlib=libc++']
 
   def configure_windows(self, cxx):
     cxx.defines += ['WIN32', '_WINDOWS']
 
+  def add_libamtl(self):
+    # Add libamtl.
+    self.libamtl = {}
+    for cxx in self.all_targets:
+      def get_configure_fn(cxx):
+        return lambda builder, name: self.StaticLibrary(builder, cxx, name)
+      extra_vars = {'Configure': get_configure_fn(cxx)}
+      libamtl = builder.Build('public/amtl/amtl/AMBuilder', extra_vars)
+      self.libamtl[cxx.target.arch] = libamtl.binary
+
+  def AddVersioning(self, binary):
+    if binary.compiler.target.platform == 'windows':
+      binary.sources += ['version.rc']
+      binary.compiler.rcdefines += [
+        'BINARY_NAME="{0}"'.format(binary.outputFile),
+        'RC_COMPILE',
+      ]
+    elif binary.compiler.target.platform == 'mac':
+      if binary.type == 'library':
+        binary.compiler.postlink += [
+          '-compatibility_version', '1.0.0',
+          '-current_version', self.productVersion
+        ]
+    return binary
+    
+  def LibraryBuilder(self, compiler, name):
+    binary = compiler.Library(name)
+    self.AddVersioning(binary)
+    if binary.compiler.like('msvc'):
+      binary.compiler.linkflags += ['/SUBSYSTEM:WINDOWS']
+    return binary
+
+  def ProgramBuilder(self, compiler, name):
+    binary = compiler.Program(name)
+    self.AddVersioning(binary)
+    if '-static-libgcc' in binary.compiler.linkflags:
+      binary.compiler.linkflags.remove('-static-libgcc')
+    if '-lgcc_eh' in binary.compiler.linkflags:
+      binary.compiler.linkflags.remove('-lgcc_eh')
+    if binary.compiler.like('gcc'):
+      binary.compiler.linkflags += ['-lstdc++', '-lpthread']
+    if binary.compiler.like('msvc'):
+      binary.compiler.linkflags += ['/SUBSYSTEM:CONSOLE']
+    return binary
+    
+  def StaticLibraryBuilder(self, compiler, name):
+    return compiler.StaticLibrary(name)
+
+  def Library(self, context, compiler, name):
+    compiler = compiler.clone()
+    SetArchFlags(compiler)
+    return self.LibraryBuilder(compiler, name)
+
+  def Program(self, context, compiler, name):
+    compiler = compiler.clone()
+    SetArchFlags(compiler)
+    return self.ProgramBuilder(compiler, name)
+    
+  def StaticLibrary(self, context, compiler, name):
+    compiler = compiler.clone()
+    SetArchFlags(compiler)
+    return self.StaticLibraryBuilder(compiler, name)
+
   def ConfigureForExtension(self, context, compiler):
     compiler.cxxincludes += [
       os.path.join(context.currentSourcePath),
@@ -214,21 +451,198 @@ class AsyncSocketConfig(object):
       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'),
+      os.path.join(context.currentSourcePath, 'libuv', 'include'),
     ]
     return compiler
 
-AsyncSocket = AsyncSocketConfig()
+  def ExtLibrary(self, context, compiler, name):
-AsyncSocket.detectSDKs()
+    binary = self.Library(context, compiler, name)
-AsyncSocket.configure()
+    SetArchFlags(compiler)
+    self.ConfigureForExtension(context, binary.compiler)
+    return binary
 
-# Add additional buildscripts here
+  def ConfigureForHL2(self, context, binary, sdk):
-BuildScripts = [
+    compiler = binary.compiler
-  'extension/AMBuilder'
+    SetArchFlags(compiler)
-]
+
+    compiler.cxxincludes += [
+      os.path.join(self.mms_root, 'core'),
+      os.path.join(self.mms_root, 'core', 'sourcehook'),
+    ]
+
+    defines = ['SE_' + PossibleSDKs[i].define + '=' + PossibleSDKs[i].code for i in PossibleSDKs]
+    compiler.defines += defines
+
+    paths = [
+      ['public'],
+      ['public', 'engine'],
+      ['public', 'mathlib'],
+      ['public', 'vstdlib'],
+      ['public', 'tier0'],
+      ['public', 'tier1']
+    ]
+    if sdk.name == 'episode1' or sdk.name == 'darkm':
+      paths.append(['public', 'dlls'])
+      paths.append(['game_shared'])
+    else:
+      paths.append(['public', 'game', 'server'])
+      paths.append(['public', 'toolframework'])
+      paths.append(['game', 'shared'])
+      paths.append(['common'])
+
+    compiler.defines += ['SOURCE_ENGINE=' + sdk.code]
+
+    if sdk.name in ['sdk2013', 'bms'] and compiler.like('gcc'):
+      # The 2013 SDK already has these in public/tier0/basetypes.h
+      compiler.defines.remove('stricmp=strcasecmp')
+      compiler.defines.remove('_stricmp=strcasecmp')
+      compiler.defines.remove('_snprintf=snprintf')
+      compiler.defines.remove('_vsnprintf=vsnprintf')
+
+    if compiler.like('msvc'):
+      compiler.defines += ['COMPILER_MSVC']
+      if compiler.target.arch == 'x86':
+        compiler.defines += ['COMPILER_MSVC32']
+      elif compiler.target.arch == 'x86_64':
+        compiler.defines += ['COMPILER_MSVC64']
+      compiler.linkflags += ['legacy_stdio_definitions.lib']
+    else:
+      compiler.defines += ['COMPILER_GCC']
+
+    if compiler.target.arch == 'x86_64':
+      compiler.defines += ['X64BITS', 'PLATFORM_64BITS']
+
+    # For everything after Swarm, this needs to be defined for entity networking
+    # to work properly with sendprop value changes.
+    if sdk.name in ['blade', 'insurgency', 'doi', 'csgo']:
+      compiler.defines += ['NETWORK_VARS_ENABLED']
+
+    if sdk.name in ['css', 'hl2dm', 'dods', 'sdk2013', 'bms', 'tf2', 'l4d', 'nucleardawn', 'l4d2']:
+      if compiler.target.platform in ['linux', 'mac']:
+        compiler.defines += ['NO_HOOK_MALLOC', 'NO_MALLOC_OVERRIDE']
+
+    if compiler.target.platform == 'linux':
+      if sdk.name in ['csgo', 'blade']:
+        compiler.linkflags.remove('-static-libstdc++')
+        compiler.defines += ['_GLIBCXX_USE_CXX11_ABI=0']
+
+    for path in paths:
+      compiler.cxxincludes += [os.path.join(sdk.path, *path)]
+
+    if compiler.target.platform == 'linux':
+      if sdk.name == 'episode1':
+        lib_folder = os.path.join(sdk.path, 'linux_sdk')
+      elif sdk.name in ['sdk2013', 'bms']:
+        lib_folder = os.path.join(sdk.path, 'lib', 'public', 'linux32')
+      elif compiler.target.arch == 'x86_64':
+        lib_folder = os.path.join(sdk.path, 'lib', 'linux64')
+      else:
+        lib_folder = os.path.join(sdk.path, 'lib', 'linux')
+    elif compiler.target.platform == 'mac':
+      if sdk.name in ['sdk2013', 'bms']:
+        lib_folder = os.path.join(sdk.path, 'lib', 'public', 'osx32')
+      elif compiler.target.arch == 'x86_64':
+        lib_folder = os.path.join(sdk.path, 'lib', 'osx64')
+      else:
+        lib_folder = os.path.join(sdk.path, 'lib', 'mac')
+
+    if compiler.target.platform in ['linux', 'mac']:
+      if sdk.name in ['sdk2013', 'bms'] or compiler.target.arch == 'x86_64':
+        compiler.postlink += [
+          os.path.join(lib_folder, 'tier1.a'),
+          os.path.join(lib_folder, 'mathlib.a')
+        ]
+      else:
+        compiler.postlink += [
+          os.path.join(lib_folder, 'tier1_i486.a'),
+          os.path.join(lib_folder, 'mathlib_i486.a')
+        ]
+
+      if sdk.name in ['blade', 'insurgency', 'doi', 'csgo']:
+        if compiler.target.arch == 'x86_64':
+          compiler.postlink += [os.path.join(lib_folder, 'interfaces.a')]
+        else:
+          compiler.postlink += [os.path.join(lib_folder, 'interfaces_i486.a')]
+
+    dynamic_libs = []
+    if compiler.target.platform == 'linux':
+      if sdk.name in ['css', 'hl2dm', 'dods', 'tf2', 'sdk2013', 'bms', 'nucleardawn', 'l4d2', 'insurgency', 'doi']:
+        dynamic_libs = ['libtier0_srv.so', 'libvstdlib_srv.so']
+      elif compiler.target.arch == 'x86_64' and sdk.name in ['csgo', 'blade']:
+        dynamic_libs = ['libtier0_client.so', 'libvstdlib_client.so']
+      elif sdk.name in ['l4d', 'blade', 'insurgency', 'doi', 'csgo']:
+        dynamic_libs = ['libtier0.so', 'libvstdlib.so']
+      else:
+        dynamic_libs = ['tier0_i486.so', 'vstdlib_i486.so']
+    elif compiler.target.platform == 'mac':
+      compiler.linkflags.append('-liconv')
+      dynamic_libs = ['libtier0.dylib', 'libvstdlib.dylib']
+    elif compiler.target.platform == 'windows':
+      libs = ['tier0', 'tier1', 'vstdlib', 'mathlib']
+      if sdk.name in ['swarm', 'blade', 'insurgency', 'doi', 'csgo']:
+        libs.append('interfaces')
+      for lib in libs:
+        if compiler.target.arch == 'x86':
+          lib_path = os.path.join(sdk.path, 'lib', 'public', lib) + '.lib'
+        elif compiler.target.arch == 'x86_64':
+          lib_path = os.path.join(sdk.path, 'lib', 'public', 'win64', lib) + '.lib'
+        compiler.linkflags.append(lib_path)
+
+    for library in dynamic_libs:
+      source_path = os.path.join(lib_folder, library)
+      output_path = os.path.join(binary.localFolder, library)
+
+      # Ensure the output path exists.
+      context.AddFolder(binary.localFolder)
+      output = context.AddSymlink(source_path, output_path)
+
+      compiler.weaklinkdeps += [output]
+      compiler.linkflags[0:0] = [library]
+
+    return binary
+
+  def HL2Library(self, context, compiler, name, sdk):
+    binary = self.Library(context, compiler, name)
+    self.ConfigureForExtension(context, binary.compiler)
+    return self.ConfigureForHL2(context, binary, sdk)
+
+  def HL2Project(self, context, compiler, name):
+    project = context.LibraryProject(name)
+    self.ConfigureForExtension(context, compiler)
+    return project
+
+  def HL2Config(self, project, context, compiler, name, sdk):
+    binary = project.Configure(compiler, name,
+                               '{0} - {1} {2}'.format(self.tag, sdk.name, compiler.target.arch))
+    self.AddVersioning(binary)
+    return self.ConfigureForHL2(context, binary, sdk)
+
+  def HL2ExtConfig(self, project, context, compiler, name, sdk):
+    binary = project.Configure(compiler, name,
+                               '{0} - {1} {2}'.format(self.tag, sdk.name, compiler.target.arch))
+    self.AddVersioning(binary)
+    self.ConfigureForHL2(context, binary, sdk)
+    self.ConfigureForExtension(context, binary.compiler)
+    return binary
+
+if getattr(builder, 'target', None) is not None:
+    sys.stderr.write("Your output folder was configured for AMBuild 2.1, and SourceMod is now\n")
+    sys.stderr.write("configured to use AMBuild 2.2. Please remove your output folder and\n")
+    sys.stderr.write("reconfigure to continue.\n")
+    os._exit(1)
+
+SM = ExtensionConfig()
+SM.detectSDKs()
+SM.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(SM.all_targets)
 
 if builder.backend == 'amb2':
-  BuildScripts += [
+  BuildScripts = [
+    'extension/AMBuilder',
     'PackageScript',
   ]
 
-builder.RunBuildScripts(BuildScripts, { 'AsyncSocket': AsyncSocket})
+builder.Build(BuildScripts, { 'SM': SM})

PackageScript

@@ -1,22 +1,34 @@
 # vim: set ts=8 sts=2 sw=2 tw=99 et ft=python:
 import os
 
+# This is where the files will be output to
+# package is the default
 builder.SetBuildFolder('package')
 
+# Add any folders you need to this list
 folder_list = [
   'addons/sourcemod/extensions',
-  'addons/sourcemod/scripting',
   'addons/sourcemod/scripting/include',
+  'addons/sourcemod/gamedata'
 ]
 
+if 'x86_64' in SM.target_archs:
+  folder_list.extend([
+    'addons/sourcemod/extensions/x64',
+  ])
+
 # Create the distribution folder hierarchy.
 folder_map = {}
 for folder in folder_list:
   norm_folder = os.path.normpath(folder)
   folder_map[folder] = builder.AddFolder(norm_folder)
 
-for extension in AsyncSocket.extensions:
+# Copy binaries.
-  builder.AddCopy(extension.binary, folder_map['addons/sourcemod/extensions'])
+for cxx_task in SM.extensions:
+  if cxx_task.target.arch == 'x86_64':
+    builder.AddCopy(cxx_task.binary, folder_map['addons/sourcemod/extensions/x64'])
+  else:
+    builder.AddCopy(cxx_task.binary, folder_map['addons/sourcemod/extensions'])
 
 # Do all straight-up file copies from the source tree.
 def CopyFiles(src, dest, files):
@@ -25,6 +37,11 @@ def CopyFiles(src, dest, files):
   dest_entry = folder_map[dest]
   for source_file in files:
     source_path = os.path.join(builder.sourcePath, src, source_file)
-    builder.AddCopy(source_path, dest_entry)
+    dest_path = os.path.join(dest_entry.path, source_file)
+    if not os.path.isfile(str(dest_path)):
+      builder.AddCopy(source_path, dest_entry)
 
-CopyFiles('pawn', 'addons/sourcemod/scripting/include', ['AsyncSocket.inc'])
+# Include files
+CopyFiles('pawn', 'addons/sourcemod/scripting/include',
+  [ 'AsyncSocket.inc', ]
+)

build_libuv.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+if [[ -d libuv ]]; then
+    exit 0;
+fi;
+
+git clone https://github.com/libuv/libuv.git --recursive
+cd libuv
+sh autogen.sh
+./configure --build=i686-pc-linux-gnu "CFLAGS=-m32" "CXXFLAGS=-m32" "LDFLAGS=-m32" --disable-shared --enable-static
+make -j 8
+cp -R include/ ../../extension/libuv/
+cp .libs/libuv.a ../../extension/libuv/

configure.py

@@ -1,7 +1,9 @@
 # vim: set ts=2 sw=2 tw=99 noet:
 import sys
+import os
+import subprocess
 try:
-	from ambuild2 import run
+	from ambuild2 import run, util
 except:
 	try:
 		import ambuild
@@ -12,10 +14,32 @@ except:
 		sys.stderr.write('http://www.alliedmods.net/ambuild\n')
 	sys.exit(1)
 
-run = run.PrepareBuild(sourcePath=sys.path[0])
+# Hack to show a decent upgrade message, which wasn't done until 2.2.
-run.default_build_folder = 'obj-' + run.target_platform
+ambuild_version = getattr(run, 'CURRENT_API', '2.1')
-run.options.add_option('--sm-path', type=str, dest='sm_path', default=None, help='Path to SourceMod')
+if ambuild_version.startswith('2.1'):
-run.options.add_option('--enable-debug', action='store_const', const='1', dest='debug', help='Enable debugging symbols')
+	sys.stderr.write("AMBuild 2.2 or higher is required; please update\n")
-run.options.add_option('--enable-optimize', action='store_const', const='1', dest='opt', help='Enable optimization')
+	sys.exit(1)
 
-run.Configure()
+parser = run.BuildParser(sourcePath = sys.path[0], api='2.2')
+
+parser.options.add_argument('--hl2sdk-root', type=str, dest='hl2sdk_root', default=None,
+		                   help='Root search folder for HL2SDKs')
+parser.options.add_argument('--mms-path', type=str, dest='mms_path', default=None,
+                       help='Path to Metamod:Source')
+parser.options.add_argument('--sm-path', type=str, dest='sm_path', default=None,
+                       help='Path to SourceMod')
+parser.options.add_argument('--enable-debug', action='store_const', const='1', dest='debug',
+                       help='Enable debugging symbols')
+parser.options.add_argument('--enable-optimize', action='store_const', const='1', dest='opt',
+                       help='Enable optimization')
+parser.options.add_argument('-s', '--sdks', default='all', dest='sdks',
+                       help='Build against specified SDKs; valid args are "all", "present", or '
+                            'comma-delimited list of engine names (default: %default)')
+parser.options.add_argument('--targets', type=str, dest='targets', default=None,
+		                      help="Override the target architecture (use commas to separate multiple targets).")
+
+parser.Configure()
+
+# Run libuv compilation and copy files to corresponding folders
+os.chmod('../build_libuv.sh', 0o755)
+subprocess.call("../build_libuv.sh")

extension/AMBuilder

@@ -1,30 +1,56 @@
 # vim: set sts=2 ts=8 sw=2 tw=99 et ft=python:
 import os
 
-binary = builder.compiler.Library('AsyncSocket.ext')
+projectName = 'AsyncSocket'
-AsyncSocket.ConfigureForExtension(builder, binary.compiler)
 
-binary.compiler.includes += [
+for cxx in builder.targets:
-  os.path.join(builder.sourcePath, 'extension', 'libuv', 'include')
+  for sdk_name in SM.sdks:
-]
+    sdk = SM.sdks[sdk_name]
 
-binary.sources += [
+    if not cxx.target.arch in sdk.platformSpec[cxx.target.platform]:
-  'extension.cpp',
+      continue
-  'context.cpp',
-  os.path.join(AsyncSocket.sm_root, 'public', 'smsdk_ext.cpp')
-]
 
-binary.compiler.defines += [
+    sdk.ext = "." + sdk.ext
-  'SOURCEMOD_BUILD'
+    if "sdk2013" in sdk.ext:
-]
+      sdk.ext = ""
 
-binary.compiler.postlink += [
+    binary = SM.HL2Library(builder, cxx, projectName + ".ext" + sdk.ext, sdk)
-  os.path.join(builder.sourcePath, 'extension', 'libuv', 'libuv.a')
-]
 
-if builder.target_platform == 'windows':
+    binary.compiler.defines += [
-  binary.compiler.linkflags += ['ws2_32.lib']
+      'SOURCEMOD_BUILD',
+      'HAVE_STRING_H',
+    ]
 
-AsyncSocket.extensions += [
+    if cxx.target.platform == 'linux':
-  builder.Add(binary)
+      cxx.postlink += ['-lpthread', '-lrt']
-]
+    elif cxx.target.platform == 'mac':
+      cxx.cflags += ['-Wno-deprecated-declarations']
+      cxx.postlink += ['-framework', 'CoreServices']
+
+    if cxx.family == 'gcc' or cxx.family == 'clang':
+      cxx.cxxflags += ['-fno-rtti']
+    elif cxx.family == 'msvc':
+      cxx.cxxflags += ['/GR-']
+
+    if cxx.target.platform == 'windows':
+      binary.compiler.linkflags += ['ws2_32.lib']
+
+    binary.compiler.postlink += [
+      os.path.join(builder.sourcePath, 'extension', 'libuv', 'libuv.a')
+    ]
+
+    binary.sources += [
+      os.path.join('extension.cpp'),
+      os.path.join('context.cpp'),
+      os.path.join(SM.sm_root, 'extensions', 'sm-ext-common', 'mathstubs.c'),
+      os.path.join(SM.sm_root, 'public', 'smsdk_ext.cpp'),
+      os.path.join(SM.sm_root, 'public', 'asm', 'asm.c'),
+      os.path.join(SM.sm_root, 'public', 'libudis86', 'decode.c'),
+      os.path.join(SM.sm_root, 'public', 'libudis86', 'itab.c'),
+      os.path.join(SM.sm_root, 'public', 'libudis86', 'syn-att.c'),
+      os.path.join(SM.sm_root, 'public', 'libudis86', 'syn-intel.c'),
+      os.path.join(SM.sm_root, 'public', 'libudis86', 'syn.c'),
+      os.path.join(SM.sm_root, 'public', 'libudis86', 'udis86.c'),
+    ]
+
+    SM.extensions += [builder.Add(binary)]

extension/libuv/.gitignore

@@ -0,0 +1,2 @@
+*
+!.gitignore