Partial support for wasm32-unknown-wasi as host triple

This needs a rustc compiled for wasi (see rust-lang/miri#722)
It also needs bytecodealliance/target-lexicon#14

Author: bjorn3

Cargo.lock

@@ -7,13 +7,12 @@ authors = ["bjorn3 <[email protected]>"]
 edition = "2018"
 
 [lib]
-crate-type = ["dylib"]
+crate-type = ["rlib", "dylib"]
 
 [dependencies]
 # These have to be in sync with each other
 cranelift = { git = "https://github.com/CraneStation/cranelift.git" }
 cranelift-module = { git = "https://github.com/CraneStation/cranelift.git" }
-cranelift-simplejit = { git = "https://github.com/CraneStation/cranelift.git" }
 cranelift-faerie = { git = "https://github.com/CraneStation/cranelift.git" }
 target-lexicon = "0.4.0"
 faerie = "0.10.0"
@@ -24,7 +23,6 @@ bitflags = "1.0.3"
 byteorder = "1.2.7"
 libc = "0.2.53"
 tempfile = "3.0.7"
-env_logger = "0.6"
 gimli = { git = "https://github.com/gimli-rs/gimli.git" }
 indexmap = "1.0.2"
 
@@ -38,5 +36,8 @@ indexmap = "1.0.2"
 #[patch."https://github.com/gimli-rs/gimli.git"]
 #gimli = { path = "../" }
 
+[target.'cfg(not(target_arch = "wasm32"))'.dependencies]
+cranelift-simplejit = { git = "https://github.com/CraneStation/cranelift.git" }
+
 [profile.dev.overrides."*"]
 opt-level = 3