ci: add Dependabot auto-merge workflow

Co-authored-by: Rushaway <[email protected]>

.github/workflows/ci.yml

@@ -0,0 +1,138 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+      - master
+    tags:
+      - '*'
+  pull_request:
+    branches:
+      - main
+      - master
+
+jobs:
+  build:
+    name: Build
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-24.04]
+        sourcemod-version: [master]
+        libboost-version: [boost-1.82.0]
+        python-version: ['3.10']
+        include:
+          - os: ubuntu-24.04
+            compiler_cc: clang-14
+            compiler_cxx: clang++-14
+
+    steps:
+      - name: Install Linux packages
+        if: runner.os == 'Linux'
+        run: |
+          sudo apt update
+          sudo apt install -yq --no-install-recommends g++-multilib ${{ matrix.compiler_cc }}
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Checkout
+        uses: actions/checkout@v7
+        with:
+          path: extension
+
+      - name: Checkout SourceMod ${{ matrix.sourcemod-version }}
+        uses: actions/checkout@v7
+        with:
+          repository: alliedmodders/sourcemod
+          ref: ${{ matrix.sourcemod-version }}
+          path: sourcemod
+          submodules: recursive
+
+      - name: Download libboost ${{ matrix.libboost-version }}
+        run: |
+          curl -L https://github.com/boostorg/boost/releases/download/${{ matrix.libboost-version }}/${{ matrix.libboost-version }}.tar.gz -o libboost.tar.gz
+          tar -xvf libboost.tar.gz && rm libboost.tar.gz
+          mv ${{ matrix.libboost-version }} libboost
+
+      - name: Install AMBuild
+        run: |
+          python -m pip install wheel
+          pip install git+https://github.com/alliedmodders/ambuild
+
+      - name: Install sourcemod dependencies
+        run: |
+          bash sourcemod/tools/checkout-deps.sh -m -s ${{ matrix.sdks }}
+
+      - name: Select clang compiler
+        if: startsWith(runner.os, 'Linux')
+        run: |
+          echo "CC=${{ matrix.compiler_cc }}" >> $GITHUB_ENV
+          echo "CXX=${{ matrix.compiler_cxx }}" >> $GITHUB_ENV
+          ${{ matrix.compiler_cc }} --version
+          ${{ matrix.compiler_cxx }} --version
+
+      - name: Build libboost
+        working-directory: libboost
+        run: |
+          ./bootstrap.sh --prefix=build --with-libraries=thread,system
+          ./b2 -j8 cflags=-m32 cxxflags=-m32 address-model=32 threading=multi architecture=x86 instruction-set=i686 link=static runtime-link=static
+          ./b2 install
+
+      - name: Build
+        working-directory: extension
+        shell: bash
+        env:
+          BREAKPAD_SYMBOL_SERVER: ${{ secrets.BREAKPAD_SYMBOL_SERVER }}
+        run: |
+          mkdir build && cd build
+          python ../configure.py --enable-optimize --symbol-files
+          ambuild
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: ${{ runner.os }}
+          path: extension/build/package
+
+  release:
+    name: Release
+    if: startsWith(github.ref, 'refs/tags/')
+    needs: build
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Download artifacts
+        uses: actions/download-artifact@v4
+
+      - name: Package
+        run: |
+          version=`echo $GITHUB_REF | sed "s/refs\/tags\///"`
+          ls -Rall
+          if [ -d "./Linux/" ]; then
+            cd ./Linux/
+            tar -czf ../${{ github.event.repository.name }}-${version}-linux.tar.gz -T <(\ls -1)
+            cd -
+          fi
+          if [ -d "./macOS/" ]; then
+            cd ./macOS/
+            tar -czf ../${{ github.event.repository.name }}-${version}-mac.tar.gz -T <(\ls -1)
+            cd -
+          fi
+          if [ -d "./Windows/" ]; then
+            cd ./Windows/
+            tar -czf ../${{ github.event.repository.name }}-${version}-windows.tar.gz -T <(\ls -1)
+            cd -
+          fi
+
+      - name: Release
+        uses: svenstaro/upload-release-action@v2
+        with:
+          repo_token: ${{ secrets.GITHUB_TOKEN }}
+          file: '*.tar.gz'
+          tag: ${{ github.ref }}
+          file_glob: true

.github/workflows/dependabot-auto-merge.yml

@@ -0,0 +1,24 @@
+name: Dependabot auto-merge
+
+on:
+  pull_request_target:
+    branches:
+      - master
+      - main
+    types:
+      - opened
+
+permissions:
+  pull-requests: write
+  contents: write
+
+jobs:
+  enableAutoMerge:
+    runs-on: ubuntu-latest
+    if: github.event.pull_request.user.login == 'dependabot[bot]'
+    steps:
+      - name: Enable auto-merge for Dependabot PRs
+        run: gh pr merge --auto --merge "$PR_URL"
+        env:
+          PR_URL: ${{ github.event.pull_request.html_url }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

AMBuildScript

@@ -1,5 +1,35 @@
 # vim: set sts=2 ts=8 sw=2 tw=99 et ft=python:
-import os
+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']
 
 def ResolveEnvPath(env, folder):
   if env in os.environ:
@@ -22,11 +52,54 @@ 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 ExtensionConfig(object):
   def __init__(self):
+    self.sdks = {}
+    self.binaries = []
+    self.spvm = []
     self.extensions = []
+    self.generated_headers = None
     self.sm_root = None
-    self.boost_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()
+    self.libboost_root = None
+    self.libsafetyhook = {}
+
+    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):
@@ -34,33 +107,83 @@ class ExtensionConfig(object):
       return 'Debug'
     return 'Release'
 
-  def detectSourceMod(self):
+  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):
     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('SOURCEMOD113', 'sourcemod-1.13')
       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')
-
+      raise Exception('Could not find a source copy of Sourcemod')
     self.sm_root = Normalize(self.sm_root)
 
-  def detectBoost(self):
-    if builder.options.boost_path:
-      self.boost_root = builder.options.boost_path
+    if builder.options.mms_path:
+      self.mms_root = builder.options.mms_path
     else:
-      raise Exception('Could not find a copy of Boost')
+      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', 'metamod-source')
+
+    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)
+
+    if builder.options.libboost_path:
+      self.libboost_root = builder.options.libboost_path
+    else:
+      self.libboost_root = ResolveEnvPath('LIBBOOSTSOURCE144', 'libboost-1.44')
+      if not self.libboost_root:
+        self.libboost_root = ResolveEnvPath('LIBBOOSTSOURCE_DEV', 'libboost-source')
+      if not self.libboost_root:
+        self.libboost_root = ResolveEnvPath('LIBBOOSTSOURCE_DEV', 'libboost-central')
+      if not self.libboost_root:
+        self.libboost_root = ResolveEnvPath('LIBBOOSTSOURCE_DEV', 'libboost')
+
+    if not self.libboost_root or not os.path.isdir(self.libboost_root):
+      raise Exception('Could not find a source copy of libboost')
+    self.libboost_root = Normalize(self.libboost_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 < 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.vendor == 'msvc':
+    elif cxx.family == 'msvc':
       self.configure_msvc(cxx)
 
     # Optimization
@@ -72,11 +195,11 @@ class ExtensionConfig(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.
@@ -101,32 +224,41 @@ class ExtensionConfig(object):
       '-Wno-unused',
       '-Wno-switch',
       '-Wno-array-bounds',
-      '-msse',
-      '-m32',
+      '-Wno-unknown-pragmas',
+      '-Wno-dangling-else',
       '-fvisibility=hidden',
     ]
+
+    if cxx.target.arch in ['x86', 'x86_64']:
+      cxx.cflags += ['-msse']
+
     cxx.cxxflags += [
-      '-std=c++11',
-      # '-fno-exceptions',
       '-fno-threadsafe-statics',
       '-Wno-non-virtual-dtor',
       '-Wno-overloaded-virtual',
+      '-Wno-register',
       '-fvisibility-inlines-hidden',
-      '-D_GLIBCXX_USE_CXX11_ABI=0',
+      '-std=c++17',
     ]
-    cxx.linkflags += ['-m32']
 
-    have_gcc = cxx.vendor == 'gcc'
-    have_clang = cxx.vendor == 'clang'
-    if cxx.version >= 'clang-3.6':
+    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':
@@ -135,12 +267,26 @@ class ExtensionConfig(object):
         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 cxx.version >= 'clang-21.0':
+        cxx.cflags += ['-Wno-uninitialized-const-pointer']
+
     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']
@@ -152,7 +298,6 @@ class ExtensionConfig(object):
       '_CRT_SECURE_NO_WARNINGS',
       '_CRT_NONSTDC_NO_DEPRECATE',
       '_ITERATOR_DEBUG_LEVEL=0',
-      '_WIN32_WINNT=0x0601',
     ]
     cxx.cflags += [
       '/W3',
@@ -161,9 +306,9 @@ class ExtensionConfig(object):
       '/EHsc',
       '/GR-',
       '/TP',
+      '/std:c++17',
     ]
     cxx.linkflags += [
-      '/MACHINE:X86',
       'kernel32.lib',
       'user32.lib',
       'gdi32.lib',
@@ -178,9 +323,6 @@ class ExtensionConfig(object):
       'odbccp32.lib',
     ]
 
-    # setup boost libraries
-    cxx.linkflags += ['/LIBPATH:"' + os.path.join(self.boost_root, 'stage', 'x86', 'lib') + '"']
-
     if builder.options.opt == '1':
       cxx.cflags += ['/Ox', '/Zo']
       cxx.linkflags += ['/OPT:ICF', '/OPT:REF']
@@ -193,62 +335,182 @@ class ExtensionConfig(object):
     cxx.cflags += ['/Oy-']
 
   def configure_linux(self, cxx):
-    cxx.defines += ['_LINUX', 'POSIX']
-    
-    # link flags based off of socket Makefile
-    cxx.linkflags += ['-lpthread', '-Wl,-Bstatic', '-lm', '-lstdc++']
-    cxx.linkflags += ['-L', os.path.join(self.boost_root, 'stage', 'x86', 'lib')]
-    cxx.linkflags += ['-lboost_thread']
-    cxx.linkflags += ['-Wl,-Bdynamic']
-    if cxx.vendor == 'gcc':
+    cxx.defines += ['LINUX', '_LINUX', 'POSIX', '_FILE_OFFSET_BITS=64']
+    cxx.linkflags += ['-lm']
+    if cxx.family == 'gcc':
       cxx.linkflags += ['-static-libgcc']
-    elif cxx.vendor == 'clang':
+    elif cxx.family == 'clang':
       cxx.linkflags += ['-lgcc_eh']
+    cxx.linkflags += [
+      '-static-libstdc++',
+      '-lpthread'
+    ]
 
   def configure_mac(self, cxx):
-    cxx.defines += ['OSX', '_OSX', 'POSIX']
-    cxx.cflags += ['-mmacosx-version-min=10.5']
+    cxx.defines += ['OSX', '_OSX', 'POSIX', 'KE_ABSOLUTELY_NO_STL']
+    cxx.cflags += ['-mmacosx-version-min=10.15']
     cxx.linkflags += [
-      '-mmacosx-version-min=10.5',
-      '-arch', 'i386',
-      '-lstdc++',
-      '-stdlib=libstdc++',
+      '-mmacosx-version-min=10.15',
+      '-stdlib=libc++',
+      '-lc++',
     ]
-    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),
+      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'),
-      os.path.join(self.boost_root)
+      os.path.join(self.libboost_root, 'build', 'include'),
     ]
     return compiler
 
-  def Library(self, context, name):
-    binary = context.compiler.Library(name)
+  def ExtLibrary(self, context, compiler, name):
+    binary = self.Library(context, compiler, name)
+    SetArchFlags(compiler)
     self.ConfigureForExtension(context, binary.compiler)
     return binary
 
-Extension = ExtensionConfig()
-Extension.detectSourceMod()
-Extension.detectBoost()
-Extension.configure()
+  def AddCDetour(self, binary):
+    sm_public_path = os.path.join(self.sm_root, 'public')
+    gameconfigs_header = os.path.join(sm_public_path, 'IGameConfigs.h')
 
-# Add additional buildscripts here
-BuildScripts = [
-  'AMBuilder',
-]
+    if binary.compiler.like('msvc'):
+      binary.compiler.cflags += ['/FI' + gameconfigs_header]
+    else:
+      binary.compiler.cflags += ['-include', gameconfigs_header]
+
+    if os.path.exists(os.path.join(sm_public_path, 'safetyhook')):
+      binary.sources += [ os.path.join(sm_public_path, 'CDetour', 'detours.cpp') ]
+      binary.compiler.cxxincludes += [ os.path.join(builder.sourcePath, 'safetyhook', 'include') ]
+
+      for task in self.libsafetyhook:
+        if task.target.arch == binary.compiler.target.arch:
+          binary.compiler.linkflags += [task.binary]
+          return
+      raise Exception('No suitable build of safetyhook was found.')
+    else:
+      binary.sources += [
+        os.path.join(sm_public_path, 'CDetour', 'detours.cpp'),
+        os.path.join(sm_public_path, 'asm', 'asm.c'),
+      ]
+      # sm1.10+
+      libudis_folder = os.path.join(sm_public_path, 'libudis86')
+      if os.path.isdir(libudis_folder):
+        binary.compiler.defines += ['HAVE_STRING_H']
+        binary.sources += [
+          os.path.join(libudis_folder, 'decode.c'),
+          os.path.join(libudis_folder, 'itab.c'),
+          os.path.join(libudis_folder, 'syn-att.c'),
+          os.path.join(libudis_folder, 'syn-intel.c'),
+          os.path.join(libudis_folder, 'syn.c'),
+          os.path.join(libudis_folder, 'udis86.c'),
+        ]
+
+class SafetyHookShim(object):
+  def __init__(self):
+    self.all_targets = {}
+    self.libsafetyhook = {}
+
+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()
+
+if os.path.exists(os.path.join(SM.sm_root, 'public', 'safetyhook')):
+    # we need to pull safetyhook in locally because ambuild does not take kindly to outside relpaths
+    import shutil
+    safetyhook_dest = Normalize(builder.sourcePath + '/safetyhook/')
+    shutil.copytree(os.path.join(SM.sm_root, 'public', 'safetyhook'), safetyhook_dest, dirs_exist_ok=True)
+
+    SafetyHook = SafetyHookShim()
+    SafetyHook.all_targets = SM.all_targets
+    builder.Build('safetyhook/AMBuilder', {'SafetyHook': SafetyHook })
+    SM.libsafetyhook = SafetyHook.libsafetyhook
+
+# 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 = [
+    'AMBuilder',
     'PackageScript',
   ]
 
-builder.RunBuildScripts(BuildScripts, {'Extension': Extension})
+builder.Build(BuildScripts, { 'SM': SM})

AMBuilder

@@ -1,30 +1,39 @@
 # vim: set sts=2 ts=8 sw=2 tw=99 et ft=python:
-import os, sys
+import os
 
 projectName = 'socket'
 
-# smsdk_ext.cpp will be automatically added later
-sourceFiles = [
-  'Extension.cpp',
-  'Callback.cpp',
-  'CallbackHandler.cpp',
-  'Socket.cpp',
-  'SocketHandler.cpp',
-]
+for cxx in builder.targets:
+  binary = SM.ExtLibrary(builder, cxx, projectName + ".ext")
 
-###############
-# Make sure to edit PackageScript, which copies your files to their appropriate locations
-# Simple extensions do not need to modify past this point.
+  binary.compiler.defines += [
+    'HAVE_STRING_H',
+  ]
 
-project = Extension.Library(builder, projectName + '.ext')
+  if cxx.target.platform == 'linux':
+    cxx.postlink += ['-lpthread', '-lrt']
+  elif cxx.target.platform == 'mac':
+    cxx.cflags += ['-Wno-deprecated-declarations']
+    cxx.postlink += ['-framework', 'CoreServices']
 
-if os.path.isfile(os.path.join(builder.currentSourcePath, 'sdk', 'smsdk_ext.cpp')):
-  # Use the copy included in the project
-  project.sources += [os.path.join('sdk', 'smsdk_ext.cpp')]
-else:
-  # Use the copy included with SM 1.6 and newer
-  project.sources += [os.path.join(Extension.sm_root, 'public', 'smsdk_ext.cpp')]
+  if cxx.family == 'gcc' or cxx.family == 'clang':
+    cxx.cxxflags += ['-fno-rtti']
+  elif cxx.family == 'msvc':
+    cxx.cxxflags += ['/GR-']
 
-project.sources += sourceFiles
+  binary.compiler.postlink += [
+    os.path.join(SM.libboost_root, 'build', 'lib', 'libboost_thread.a'),
+    os.path.join(SM.libboost_root, 'build', 'lib', 'libboost_system.a'),
+  ]
 
-Extension.extensions = [builder.Add(project)]
+  binary.sources += [
+    'Extension.cpp',
+    'Socket.cpp',
+    'SocketHandler.cpp',
+    'Callback.cpp',
+    'CallbackHandler.cpp',
+    os.path.join(SM.sm_root, 'public', 'smsdk_ext.cpp'),
+  ]
+
+  SM.AddCDetour(binary)
+  SM.extensions += [builder.Add(binary)]

PackageScript

@@ -9,16 +9,26 @@ builder.SetBuildFolder('package')
 folder_list = [
   'addons/sourcemod/extensions',
   'addons/sourcemod/scripting/include',
-  #'addons/sourcemod/gamedata',
-  #'addons/sourcemod/configs',
 ]
 
+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)
 
+# Copy binaries.
+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):
   if not dest:
@@ -26,27 +36,11 @@ 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)
 
 # Include files
 CopyFiles('scripting/include', 'addons/sourcemod/scripting/include',
   [ 'socket.inc', ]
 )
-
-# GameData files
-#CopyFiles('gamedata', 'addons/sourcemod/gamedata',
-#  [ 'myfile.txt',
-#  'file2.txt'
-#  ]
-#)
-
-# Config Files
-#CopyFiles('configs', 'addons/sourcemod/configs',
-#  [ 'configfile.cfg',
-#  'otherconfig.cfg,
-#  ]
-#)
-
-# Copy binaries.
-for cxx_task in Extension.extensions:
-  builder.AddCopy(cxx_task.binary, folder_map['addons/sourcemod/extensions'])

configure.py

@@ -1,18 +1,38 @@
-# vim: set sts=2 ts=8 sw=2 tw=99 et:
+# vim: set ts=2 sw=2 tw=99 noet:
 import sys
-from ambuild2 import run
+try:
+	from ambuild2 import run, util
+except:
+	try:
+		import ambuild
+		sys.stderr.write('It looks like you have AMBuild 1 installed, but this project uses AMBuild 2.\n')
+		sys.stderr.write('Upgrade to the latest version of AMBuild to continue.\n')
+	except:
+		sys.stderr.write('AMBuild must be installed to build this project.\n')
+		sys.stderr.write('http://www.alliedmods.net/ambuild\n')
+	sys.exit(1)
 
-# Simple extensions do not need to modify this file.
+# Hack to show a decent upgrade message, which wasn't done until 2.2.
+ambuild_version = getattr(run, 'CURRENT_API', '2.1')
+if ambuild_version.startswith('2.1'):
+	sys.stderr.write("AMBuild 2.2 or higher is required; please update\n")
+	sys.exit(1)
 
-builder = run.PrepareBuild(sourcePath = sys.path[0])
+parser = run.BuildParser(sourcePath = sys.path[0], api='2.2')
 
-builder.options.add_option('--sm-path', type=str, dest='sm_path', default=None,
+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')
-builder.options.add_option('--boost-path', type=str, dest='boost_path', default=None,
-                       help='Path to Boost')
-builder.options.add_option('--enable-debug', action='store_const', const='1', dest='debug',
+parser.options.add_argument('--libboost-path', type=str, dest='libboost_path', default=None,
+                       help='Path to libboost')
+parser.options.add_argument('--enable-debug', action='store_const', const='1', dest='debug',
                        help='Enable debugging symbols')
-builder.options.add_option('--enable-optimize', action='store_const', const='1', dest='opt',
+parser.options.add_argument('--enable-optimize', action='store_const', const='1', dest='opt',
                        help='Enable optimization')
+parser.options.add_argument('--targets', type=str, dest='targets', default=None,
+		                      help="Override the target architecture (use commas to separate multiple targets).")
 
-builder.Configure()
+parser.Configure()

version.rc

@@ -0,0 +1,103 @@
+// Microsoft Visual C++ generated resource script.
+//
+//#include "resource.h"
+
+#define APSTUDIO_READONLY_SYMBOLS
+/////////////////////////////////////////////////////////////////////////////
+//
+// Generated from the TEXTINCLUDE 2 resource.
+//
+#include "winres.h"
+
+#include <sourcemod_version.h>
+
+/////////////////////////////////////////////////////////////////////////////
+#undef APSTUDIO_READONLY_SYMBOLS
+
+/////////////////////////////////////////////////////////////////////////////
+// English (U.S.) resources
+
+#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU)
+#ifdef _WIN32
+LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
+#pragma code_page(1252)
+#endif //_WIN32
+
+/////////////////////////////////////////////////////////////////////////////
+//
+// Version
+//
+
+VS_VERSION_INFO VERSIONINFO
+ FILEVERSION  SM_VERSION_FILE
+ PRODUCTVERSION SM_VERSION_FILE
+ FILEFLAGSMASK 0x17L
+#ifdef _DEBUG
+ FILEFLAGS 0x1L
+#else
+ FILEFLAGS 0x0L
+#endif
+ FILEOS 0x4L
+ FILETYPE 0x2L
+ FILESUBTYPE 0x0L
+BEGIN
+    BLOCK "StringFileInfo"
+    BEGIN
+        BLOCK "000004b0"
+        BEGIN
+            VALUE "Comments", "SourceMod Extension"
+            VALUE "FileDescription", "SourceMod Extension"
+            VALUE "FileVersion", SM_VERSION_STRING
+            VALUE "InternalName", "SourceMod Extension"
+            VALUE "LegalCopyright", "Copyright (c) 2004-2022, AlliedModders LLC"
+            VALUE "OriginalFilename", BINARY_NAME
+            VALUE "ProductName", "SourceMod Extension"
+            VALUE "ProductVersion", SM_VERSION_STRING
+        END
+    END
+    BLOCK "VarFileInfo"
+    BEGIN
+        VALUE "Translation", 0x0, 1200
+    END
+END
+
+
+#ifdef APSTUDIO_INVOKED
+/////////////////////////////////////////////////////////////////////////////
+//
+// TEXTINCLUDE
+//
+
+1 TEXTINCLUDE 
+BEGIN
+    "resource.h\0"
+END
+
+2 TEXTINCLUDE 
+BEGIN
+    "#include ""winres.h""\r\n"
+    "\0"
+END
+
+3 TEXTINCLUDE 
+BEGIN
+    "\r\n"
+    "\0"
+END
+
+#endif    // APSTUDIO_INVOKED
+
+#endif    // English (U.S.) resources
+/////////////////////////////////////////////////////////////////////////////
+
+
+
+#ifndef APSTUDIO_INVOKED
+/////////////////////////////////////////////////////////////////////////////
+//
+// Generated from the TEXTINCLUDE 3 resource.
+//
+
+
+/////////////////////////////////////////////////////////////////////////////
+#endif    // not APSTUDIO_INVOKED