[SCons] Rename javascript tool to web

And clean it up a bit.

1 files changed, 44 insertions, 0 deletions

diff --git a/tools/web.py b/tools/web.py
new file mode 100644
index 0000000..a4620c3
--- /dev/null
+++ b/tools/web.py
@@ -0,0 +1,44 @@
+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"])