import imp import os import sys import subprocess from distutils.version import LooseVersion from SCons.Script import BoolVariable, Dir, Environment, File, PathVariable, SCons, Variables monoreg = imp.load_source('mono_reg_utils', 'modules/mono/mono_reg_utils.py') def can_build(env, platform): if platform in ['javascript']: return False # Not yet supported return True def is_enabled(): # The module is disabled by default. Use module_mono_enabled=yes to enable it. return False def get_doc_classes(): return [ '@C#', 'CSharpScript', 'GodotSharp', ] def get_doc_path(): return 'doc_classes' def find_file_in_dir(directory, files, prefix='', extension=''): if not extension.startswith('.'): extension = '.' + extension for curfile in files: if os.path.isfile(os.path.join(directory, prefix + curfile + extension)): return curfile return '' def copy_file(src_dir, dst_dir, name): from shutil import copyfile src_path = os.path.join(src_dir, name) dst_path = os.path.join(dst_dir, name) if not os.path.isdir(dst_dir): os.mkdir(dst_dir) copyfile(src_path, dst_path) def custom_path_is_dir_create(key, val, env): """Validator to check if Path is a directory, creating it if it does not exist. Similar to PathIsDirCreate, except it uses SCons.Script.Dir() and SCons.Script.File() in order to support the '#' top level directory token. """ # Dir constructor will throw an error if the path points to a file fsDir = Dir(val) if not fsDir.exists: os.makedirs(fsDir.abspath) def configure(env): env.use_ptrcall = True env.add_module_version_string('mono') envvars = Variables() envvars.Add(BoolVariable('mono_static', 'Statically link mono', False)) envvars.Add(PathVariable('mono_assemblies_output_dir', 'Path to the assemblies output directory', '#bin', custom_path_is_dir_create)) envvars.Update(env) bits = env['bits'] mono_static = env['mono_static'] assemblies_output_dir = Dir(env['mono_assemblies_output_dir']).abspath mono_lib_names = ['mono-2.0-sgen', 'monosgen-2.0'] if env['platform'] == 'windows': if bits == '32': if os.getenv('MONO32_PREFIX'): mono_root = os.getenv('MONO32_PREFIX') elif os.name == 'nt': mono_root = monoreg.find_mono_root_dir(bits) else: if os.getenv('MONO64_PREFIX'): mono_root = os.getenv('MONO64_PREFIX') elif os.name == 'nt': mono_root = monoreg.find_mono_root_dir(bits) if not mono_root: raise RuntimeError('Mono installation directory not found') mono_version = mono_root_try_find_mono_version(mono_root) configure_for_mono_version(env, mono_version) mono_lib_path = os.path.join(mono_root, 'lib') env.Append(LIBPATH=mono_lib_path) env.Append(CPPPATH=os.path.join(mono_root, 'include', 'mono-2.0')) if mono_static: lib_suffix = Environment()['LIBSUFFIX'] if env.msvc: mono_static_lib_name = 'libmono-static-sgen' else: mono_static_lib_name = 'libmonosgen-2.0' if not os.path.isfile(os.path.join(mono_lib_path, mono_static_lib_name + lib_suffix)): raise RuntimeError('Could not find static mono library in: ' + mono_lib_path) if env.msvc: env.Append(LINKFLAGS=mono_static_lib_name + lib_suffix) env.Append(LINKFLAGS='Mincore' + lib_suffix) env.Append(LINKFLAGS='msvcrt' + lib_suffix) env.Append(LINKFLAGS='LIBCMT' + lib_suffix) env.Append(LINKFLAGS='Psapi' + lib_suffix) else: env.Append(LINKFLAGS=os.path.join(mono_lib_path, mono_static_lib_name + lib_suffix)) env.Append(LIBS='psapi') env.Append(LIBS='version') else: mono_lib_name = find_file_in_dir(mono_lib_path, mono_lib_names, extension='.lib') if not mono_lib_name: raise RuntimeError('Could not find mono library in: ' + mono_lib_path) if env.msvc: env.Append(LINKFLAGS=mono_lib_name + Environment()['LIBSUFFIX']) else: env.Append(LIBS=mono_lib_name) mono_bin_path = os.path.join(mono_root, 'bin') mono_dll_name = find_file_in_dir(mono_bin_path, mono_lib_names, extension='.dll') if not mono_dll_name: raise RuntimeError('Could not find mono shared library in: ' + mono_bin_path) copy_file(mono_bin_path, 'bin', mono_dll_name + '.dll') copy_file(os.path.join(mono_lib_path, 'mono', '4.5'), assemblies_output_dir, 'mscorlib.dll') else: sharedlib_ext = '.dylib' if sys.platform == 'darwin' else '.so' mono_root = '' mono_lib_path = '' if bits == '32': if os.getenv('MONO32_PREFIX'): mono_root = os.getenv('MONO32_PREFIX') else: if os.getenv('MONO64_PREFIX'): mono_root = os.getenv('MONO64_PREFIX') # We can't use pkg-config to link mono statically, # but we can still use it to find the mono root directory if not mono_root and mono_static: mono_root = pkgconfig_try_find_mono_root(mono_lib_names, sharedlib_ext) if not mono_root: raise RuntimeError('Building with mono_static=yes, but failed to find the mono prefix with pkg-config. Specify one manually') if mono_root: mono_version = mono_root_try_find_mono_version(mono_root) configure_for_mono_version(env, mono_version) mono_lib_path = os.path.join(mono_root, 'lib') env.Append(LIBPATH=mono_lib_path) env.Append(CPPPATH=os.path.join(mono_root, 'include', 'mono-2.0')) mono_lib = find_file_in_dir(mono_lib_path, mono_lib_names, prefix='lib', extension='.a') if not mono_lib: raise RuntimeError('Could not find mono library in: ' + mono_lib_path) env.Append(CPPFLAGS=['-D_REENTRANT']) if mono_static: mono_lib_file = os.path.join(mono_lib_path, 'lib' + mono_lib + '.a') if sys.platform == 'darwin': env.Append(LINKFLAGS=['-Wl,-force_load,' + mono_lib_file]) elif sys.platform == 'linux' or sys.platform == 'linux2': env.Append(LINKFLAGS=['-Wl,-whole-archive', mono_lib_file, '-Wl,-no-whole-archive']) else: raise RuntimeError('mono-static: Not supported on this platform') else: env.Append(LIBS=[mono_lib]) if sys.platform == 'darwin': env.Append(LIBS=['iconv', 'pthread']) elif sys.platform == 'linux' or sys.platform == 'linux2': env.Append(LIBS=['m', 'rt', 'dl', 'pthread']) if not mono_static: mono_so_name = find_file_in_dir(mono_lib_path, mono_lib_names, prefix='lib', extension=sharedlib_ext) if not mono_so_name: raise RuntimeError('Could not find mono shared library in: ' + mono_lib_path) copy_file(mono_lib_path, 'bin', 'lib' + mono_so_name + sharedlib_ext) copy_file(os.path.join(mono_lib_path, 'mono', '4.5'), assemblies_output_dir, 'mscorlib.dll') else: assert not mono_static mono_version = pkgconfig_try_find_mono_version() configure_for_mono_version(env, mono_version) env.ParseConfig('pkg-config monosgen-2 --cflags --libs') mono_lib_path = '' mono_so_name = '' mono_prefix = subprocess.check_output(['pkg-config', 'mono-2', '--variable=prefix']).decode('utf8').strip() tmpenv = Environment() tmpenv.AppendENVPath('PKG_CONFIG_PATH', os.getenv('PKG_CONFIG_PATH')) tmpenv.ParseConfig('pkg-config monosgen-2 --libs-only-L') for hint_dir in tmpenv['LIBPATH']: name_found = find_file_in_dir(hint_dir, mono_lib_names, prefix='lib', extension=sharedlib_ext) if name_found: mono_lib_path = hint_dir mono_so_name = name_found break if not mono_so_name: raise RuntimeError('Could not find mono shared library in: ' + str(tmpenv['LIBPATH'])) copy_file(mono_lib_path, 'bin', 'lib' + mono_so_name + sharedlib_ext) copy_file(os.path.join(mono_prefix, 'lib', 'mono', '4.5'), assemblies_output_dir, 'mscorlib.dll') env.Append(LINKFLAGS='-rdynamic') def configure_for_mono_version(env, mono_version): if mono_version is None: raise RuntimeError('Mono JIT compiler version not found') print('Mono JIT compiler version: ' + str(mono_version)) if mono_version >= LooseVersion("5.12.0"): env.Append(CPPFLAGS=['-DHAS_PENDING_EXCEPTIONS']) def pkgconfig_try_find_mono_root(mono_lib_names, sharedlib_ext): tmpenv = Environment() tmpenv.AppendENVPath('PKG_CONFIG_PATH', os.getenv('PKG_CONFIG_PATH')) tmpenv.ParseConfig('pkg-config monosgen-2 --libs-only-L') for hint_dir in tmpenv['LIBPATH']: name_found = find_file_in_dir(hint_dir, mono_lib_names, prefix='lib', extension=sharedlib_ext) if name_found and os.path.isdir(os.path.join(hint_dir, '..', 'include', 'mono-2.0')): return os.path.join(hint_dir, '..') return '' def pkgconfig_try_find_mono_version(): lines = subprocess.check_output(['pkg-config', 'monosgen-2', '--modversion']).splitlines() greater_version = None for line in lines: try: version = LooseVersion(line) if greater_version is None or version > greater_version: greater_version = version except ValueError: pass return greater_version def mono_root_try_find_mono_version(mono_root): from compat import decode_utf8 output = subprocess.check_output([os.path.join(mono_root, 'bin', 'mono'), '--version']) first_line = decode_utf8(output.splitlines()[0]) try: return LooseVersion(first_line.split()[len('Mono JIT compiler version'.split())]) except (ValueError, IndexError): return None