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- import os
- from SCons.Util import WhereIs
- def exists(env):
- return WhereIs("emcc") is not None
- def generate(env):
- if env["arch"] not in ("wasm32"):
- print("Only wasm32 supported on web. Exiting.")
- env.Exit(1)
- # Emscripten toolchain
- env["CC"] = "emcc"
- env["CXX"] = "em++"
- env["AR"] = "emar"
- env["RANLIB"] = "emranlib"
- # Use TempFileMunge since some AR invocations are too long for cmd.exe.
- # Use POSIX-style paths, required with TempFileMunge.
- env["ARCOM_POSIX"] = env["ARCOM"].replace("$TARGET", "$TARGET.posix").replace("$SOURCES", "$SOURCES.posix")
- env["ARCOM"] = "${TEMPFILE(ARCOM_POSIX)}"
- # All intermediate files are just object files.
- env["OBJSUFFIX"] = ".o"
- env["SHOBJSUFFIX"] = ".o"
- # Static libraries clang-style.
- env["LIBPREFIX"] = "lib"
- env["LIBSUFFIX"] = ".a"
- # Shared library as wasm.
- env["SHLIBSUFFIX"] = ".wasm"
- # Thread support (via SharedArrayBuffer).
- env.Append(CCFLAGS=["-s", "USE_PTHREADS=1"])
- env.Append(LINKFLAGS=["-s", "USE_PTHREADS=1"])
- # Build as side module (shared library).
- env.Append(CPPFLAGS=["-s", "SIDE_MODULE=1"])
- env.Append(LINKFLAGS=["-s", "SIDE_MODULE=1"])
- env.Append(CPPDEFINES=["WEB_ENABLED", "UNIX_ENABLED"])
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