111 lines
3.6 KiB
Python
111 lines
3.6 KiB
Python
import os
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import sys
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import string
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def is_active():
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return True
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def get_name():
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return "JavaScript"
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def can_build():
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return os.environ.has_key("EMSCRIPTEN_ROOT")
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def get_opts():
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return [
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['wasm', 'Compile to WebAssembly', 'no'],
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['javascript_eval', 'Enable JavaScript eval interface', 'yes'],
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]
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def get_flags():
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return [
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('tools', 'no'),
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('module_etc1_enabled', 'no'),
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('module_mpc_enabled', 'no'),
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('module_theora_enabled', 'no'),
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]
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def create(env):
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# remove Windows' .exe suffix
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return env.Clone(PROGSUFFIX='')
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def escape_sources_backslashes(target, source, env, for_signature):
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return [path.replace('\\','\\\\') for path in env.GetBuildPath(source)]
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def escape_target_backslashes(target, source, env, for_signature):
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return env.GetBuildPath(target[0]).replace('\\','\\\\')
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def configure(env):
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env['ENV'] = os.environ
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env.Append(CPPPATH=['#platform/javascript'])
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env.PrependENVPath('PATH', os.environ['EMSCRIPTEN_ROOT'])
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env['CC'] = 'emcc'
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env['CXX'] = 'em++'
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env['LINK'] = 'emcc'
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env['RANLIB'] = 'emranlib'
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# Emscripten's ar has issues with duplicate file names, so use cc
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env['AR'] = 'emcc'
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env['ARFLAGS'] = '-o'
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if (os.name == 'nt'):
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# use TempFileMunge on Windows since some commands get too long for
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# cmd.exe even with spawn_fix
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# need to escape backslashes for this
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env['ESCAPED_SOURCES'] = escape_sources_backslashes
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env['ESCAPED_TARGET'] = escape_target_backslashes
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env['ARCOM'] = '${TEMPFILE("%s")}' % env['ARCOM'].replace('$SOURCES', '$ESCAPED_SOURCES').replace('$TARGET', '$ESCAPED_TARGET')
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env['OBJSUFFIX'] = '.bc'
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env['LIBSUFFIX'] = '.bc'
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if (env["target"] == "release"):
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env.Append(CCFLAGS=['-O2'])
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elif (env["target"] == "release_debug"):
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env.Append(CCFLAGS=['-O2', '-DDEBUG_ENABLED'])
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elif (env["target"] == "debug"):
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env.Append(CCFLAGS=['-D_DEBUG', '-Wall', '-O2', '-DDEBUG_ENABLED'])
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#env.Append(CCFLAGS=['-D_DEBUG', '-Wall', '-g4', '-DDEBUG_ENABLED'])
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env.Append(CPPFLAGS=['-DDEBUG_MEMORY_ALLOC'])
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# TODO: Move that to opus module's config
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if("module_opus_enabled" in env and env["module_opus_enabled"] != "no"):
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env.opus_fixed_point = "yes"
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# These flags help keep the file size down
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env.Append(CPPFLAGS=["-fno-exceptions", '-DNO_SAFE_CAST', '-fno-rtti'])
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env.Append(CPPFLAGS=['-DJAVASCRIPT_ENABLED', '-DUNIX_ENABLED', '-DPTHREAD_NO_RENAME', '-DNO_FCNTL', '-DMPC_FIXED_POINT', '-DTYPED_METHOD_BIND', '-DNO_THREADS'])
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env.Append(CPPFLAGS=['-DGLES3_ENABLED'])
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if env['wasm'] == 'yes':
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env.Append(LINKFLAGS=['-s', 'BINARYEN=1'])
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# Maximum memory size is baked into the WebAssembly binary during
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# compilation, so we need to enable memory growth to allow setting
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# TOTAL_MEMORY at runtime. The value set at runtime must be higher than
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# what is set during compilation, check TOTAL_MEMORY in Emscripten's
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# src/settings.js for the default.
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env.Append(LINKFLAGS=['-s', 'ALLOW_MEMORY_GROWTH=1'])
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env.extra_suffix = '.webassembly' + env.extra_suffix
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else:
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env.Append(CPPFLAGS=['-s', 'ASM_JS=1'])
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env.Append(LINKFLAGS=['-s', 'ASM_JS=1'])
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env.Append(LINKFLAGS=['--separate-asm'])
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if env['javascript_eval'] == 'yes':
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env.Append(CPPFLAGS=['-DJAVASCRIPT_EVAL_ENABLED'])
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env.Append(LINKFLAGS=['-O2'])
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env.Append(LINKFLAGS=['-s', 'USE_WEBGL2=1'])
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# env.Append(LINKFLAGS=['-g4'])
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import methods
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