waforthc,standalone: Add sieve example

src/standalone/.gitignore

@@ -3,3 +3,4 @@
 /wasm-micro-runtime
 /wasmtime-*
 /*.tgz
+/run_sieve.f

src/standalone/Makefile

@@ -120,6 +120,12 @@ check:
 	grep "Hello, Forth" test.out
 	rm test.out
 
+run_sieve.f: ../examples/sieve.f
+	(cat $< && echo "90000000 sieve") > $@
+
+.PHONY: run-sieve
+run-sieve: run_sieve.f
+	./waforth $<
 
 .PHONY: clean
 clean:

src/waforthc/.gitignore

@@ -3,3 +3,4 @@
 /_waforth*
 /hello
 /waforth*.tgz
+/sieve

src/waforthc/Makefile

@@ -94,6 +94,9 @@ waforth_core.wasm: ../waforth.wat
 
 .PHONY: package
 
+sieve:
+	./waforthc --ccflag=-O2 --output=sieve --init="90000000 sieve" ../examples/sieve.f
+
 .PHONY: check
 check:
 	-rm -f test test.out