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