Build misc_testsuite from source

.azure-pipelines.yml

@@ -23,6 +23,7 @@ jobs:
 
   steps:
     - checkout: self
+      submodules: true
     - script: |
         curl https://sh.rustup.rs -sSf | sh -s -- -y --default-toolchain $RUSTUP_TOOLCHAIN
         echo "##vso[task.setvariable variable=PATH;]$PATH:$HOME/.cargo/bin"
@@ -38,6 +39,8 @@ jobs:
         rustc --version
       displayName: Install rust (Win)
       condition: eq( variables['Agent.OS'], 'Windows_NT' )
+    - script: rustup target add wasm32-wasi
+      displayName: Install wasm32-wasi target
     - script: |
         powershell -Command "$ProgressPreference = 'SilentlyContinue'; iwr -outf %TEMP%\LLVM-8.0.0-win64.exe https://rust-lang-ci2.s3.amazonaws.com/rust-ci-mirror/LLVM-8.0.0-win64.exe"
         %TEMP%\LLVM-8.0.0-win64.exe /S /NCRC

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "misc_testsuite"]
+	path = misc_testsuite
+	url = https://github.com/cranestation/wasi-misc-tests

Cargo.toml

@@ -51,4 +51,4 @@ crate-type = ["rlib", "staticlib", "cdylib"]
 
 [workspace]
 members = ["wasi-common-cbindgen"]
-exclude = ["winx"]
+exclude = ["winx", "misc_testsuite"]

build.rs

@@ -10,18 +10,39 @@ use std::env;
 use std::fs::{read_dir, DirEntry, File};
 use std::io::{self, Write};
 use std::path::{Path, PathBuf};
+use std::process::{Command, Stdio};
 
 fn main() {
     let out_dir =
         PathBuf::from(env::var("OUT_DIR").expect("The OUT_DIR environment variable must be set"));
     let mut out = File::create(out_dir.join("misc_testsuite_tests.rs"))
         .expect("error generating test source file");
 
+    build_tests("misc_testsuite").expect("building tests");
     test_directory(&mut out, "misc_testsuite").expect("generating tests");
 }
 
+fn build_tests(testsuite: &str) -> io::Result<()> {
+    let mut cmd = Command::new("cargo");
+    cmd.args(&["build", "--release", "--target=wasm32-wasi"])
+        .stdout(Stdio::inherit())
+        .stderr(Stdio::inherit())
+        .current_dir(testsuite);
+    let output = cmd.output()?;
+
+    let status = output.status;
+    if !status.success() {
+        panic!(
+            "Building tests failed: exit code: {}",
+            status.code().unwrap()
+        );
+    }
+
+    Ok(())
+}
+
 fn test_directory(out: &mut File, testsuite: &str) -> io::Result<()> {
-    let mut dir_entries: Vec<_> = read_dir(testsuite)
+    let mut dir_entries: Vec<_> = read_dir(format!("{}/target/wasm32-wasi/release", testsuite))
         .expect("reading testsuite directory")
         .map(|r| r.expect("reading testsuite directory entry"))
         .filter(|dir_entry| {