Initial commit

Makefile

@@ -0,0 +1,29 @@
+CFLAGS := \
+	--target=wasm32 \
+	-O2 \
+	-flto \
+	-ffreestanding \
+	-fno-builtin \
+	-nostdlib
+
+EXPORTS := \
+	init \
+	get_buffer_ptr \
+	get_buffer_len \
+	render_frame
+
+comma := ,
+
+LDFLAGS := -Wl,--no-entry -Wl,--lto-O2
+# comment the line below to fail on undefined symbols at link-time instead of runtime
+#LDFLAGS += -Wl,--allow-undefined
+LDFLAGS += $(addprefix -Wl$(comma)--export=,$(EXPORTS))
+
+FDLIBM_SRC := \
+	fdlibm/k_cos.c fdlibm/s_cos.c \
+	fdlibm/k_sin.c fdlibm/s_sin.c \
+	fdlibm/k_rem_pio2.c fdlibm/e_rem_pio2.c \
+	fdlibm/s_scalbn.c
+
+main.wasm: main.c math.c $(FDLIBM_SRC)
+	clang $(CFLAGS) $(LDFLAGS) -o $@ $^