a7f592a026
The WebAssembly spec interpreter is written in OCaml and the new crate uses `ocaml-interop` along with a small OCaml wrapper to interpret Wasm modules in-process. The build process for this crate is currently Linux-specific: it requires several OCaml packages (e.g. `apt install -y ocaml-nox ocamlbuild`) as well as `make`, `cp`, and `ar`.
34 lines
1.1 KiB
Makefile
34 lines
1.1 KiB
Makefile
# Build a library allowing FFI access to the Wasm spec interpreter.
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OCAML_FLAGS := -g -keep-locs -runtime-variant _pic
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# By default, we build in a sub-directory but we can override this with `make
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# BUILD_DIR=...`.
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BUILD_DIR := _build
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# Currently the WebAssembly spec interpreter is buried in a Git submodule as is
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# its build directory, `_build`. Cargo may not like that files are changing
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# outside of `target` (TODO).
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SPEC_DIR := spec/interpreter
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SPEC_BUILD_DIR := $(SPEC_DIR)/_build
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SPEC_LIB := $(SPEC_BUILD_DIR)/wasm.cmxa
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# Build and package the static library, `libinterpret.a`.
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$(BUILD_DIR)/libinterpret.a: $(BUILD_DIR)/interpret.lib.o
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ar qs $@ $^
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$(BUILD_DIR)/interpret.lib.o: $(SPEC_LIB) $(BUILD_DIR)/interpret.cmx
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ocamlopt $(OCAML_FLAGS) -I $(SPEC_BUILD_DIR) -o $@ -output-complete-obj $^
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$(BUILD_DIR)/interpret.cmx: interpret.ml $(SPEC_BUILD_DIR) $(BUILD_DIR)
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ocamlopt $(OCAML_FLAGS) -I $(SPEC_BUILD_DIR) -o $@ -c -impl $<
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$(BUILD_DIR):
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mkdir -p $@
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# We also need to be able to build the spec's `wasm.cmxa`.
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$(SPEC_LIB):
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make -C $(SPEC_DIR) libopt
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clean:
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rm -rf $(BUILD_DIR)
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make -C $(SPEC_DIR) clean
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