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boring-sys/build/main.rs

@@ -1,5 +1,6 @@
 use fslock::LockFile;
 use std::env;
+use std::ffi::OsStr;
 use std::ffi::OsString;
 use std::fs;
 use std::io;
@@ -129,11 +130,10 @@ fn get_boringssl_source_path(config: &Config) -> &PathBuf {
         if !submodule_path.join("CMakeLists.txt").exists() {
             println!("cargo:warning=fetching boringssl git submodule");
 
-            run_command(
-                Command::new("git")
-                    .args(["submodule", "update", "--init", "--recursive"])
-                    .arg(&submodule_path),
-            )
+            run_command(&["git"], |c| {
+                c.args(["submodule", "update", "--init", "--recursive"])
+                    .arg(&submodule_path)
+            })
             .unwrap();
         }
 
@@ -496,7 +496,7 @@ fn ensure_patches_applied(config: &Config) -> io::Result<()> {
 
     // NOTE: init git in the copied files, so we can apply patches
     if !has_git {
-        run_command(Command::new("git").arg("init").current_dir(src_path))?;
+        run_command(&["git"], |c| c.arg("init").current_dir(src_path))?;
     }
 
     println!("cargo:warning=applying 44b3df6f03d85c901767250329c571db405122d5 patch to boringssl");
@@ -535,32 +535,46 @@ fn apply_patch(config: &Config, patch_name: &str) -> io::Result<()> {
         args.push("-p2");
     }
 
-    run_command(
-        Command::new("git")
-            .args(&args)
-            .arg(cmd_path)
-            .current_dir(src_path),
-    )?;
+    run_command(&["git"], |c| {
+        c.args(&args).arg(&cmd_path).current_dir(src_path)
+    })?;
 
     Ok(())
 }
 
-fn run_command(command: &mut Command) -> io::Result<Output> {
-    let out = command.output()?;
+fn run_command(
+    names: &[impl AsRef<OsStr>],
+    f: impl Fn(&mut Command) -> &mut Command,
+) -> io::Result<Output> {
+    for name in names {
+        let mut command = Command::new(name);
+        f(&mut command);
 
-    println!("{}", std::str::from_utf8(&out.stdout).unwrap());
-    eprintln!("{}", std::str::from_utf8(&out.stderr).unwrap());
-
-    if !out.status.success() {
-        let err = match out.status.code() {
-            Some(code) => format!("{command:?} exited with status: {code}"),
-            None => format!("{command:?} was terminated by signal"),
+        let out = match command.output() {
+            Ok(out) => out,
+            Err(e) if e.kind() == io::ErrorKind::NotFound => continue,
+            Err(e) => {
+                eprintln!("{command:?} failed to execute: {e}");
+                continue;
+            }
         };
 
-        return Err(io::Error::other(err));
+        println!("{}", std::str::from_utf8(&out.stdout).unwrap());
+        eprintln!("{}", std::str::from_utf8(&out.stderr).unwrap());
+
+        if !out.status.success() {
+            let err = match out.status.code() {
+                Some(code) => format!("{command:?} exited with status: {code}"),
+                None => format!("{command:?} was terminated by signal"),
+            };
+
+            return Err(io::Error::other(err));
+        }
+
+        return Ok(out);
     }
 
-    Ok(out)
+    Err(io::ErrorKind::NotFound.into())
 }
 
 fn built_boring_source_path(config: &Config) -> &PathBuf {
@@ -620,13 +634,8 @@ fn link_in_precompiled_bcm_o(config: &Config) {
     fs::copy(bcm_o_src_path, &bcm_o_dst_path).unwrap();
 
     // check that fips module is named as expected
-    let out = run_command(
-        Command::new("ar")
-            .arg("t")
-            .arg(&libcrypto_path)
-            .arg("bcm.o"),
-    )
-    .unwrap();
+    let ar = &["ar", "llvm-ar"];
+    let out = run_command(ar, |c| c.arg("t").arg(&libcrypto_path).arg("bcm.o")).unwrap();
 
     assert_eq!(
         String::from_utf8(out.stdout).unwrap().trim(),
@@ -639,11 +648,10 @@ fn link_in_precompiled_bcm_o(config: &Config) {
     // (this causes the need for extra linker flags to deal with duplicate symbols)
     // (as long as the newer module does not define new symbols, one may also remove it,
     // but once there are new symbols it would cause missing symbols at linking stage)
-    run_command(
-        Command::new("ar")
-            .args(["rb", "bcm.o"])
-            .args([&libcrypto_path, &bcm_o_dst_path]),
-    )
+    run_command(ar, |c| {
+        c.args(["rb", "bcm.o"])
+            .args([&libcrypto_path, &bcm_o_dst_path])
+    })
     .unwrap();
 }
 

boring-sys/build/prefix.rs

@@ -1,5 +1,5 @@
 use crate::{config::Config, pick_best_android_ndk_toolchain, run_command};
-use std::{fs, io::Write, path::PathBuf, process::Command};
+use std::{fs, io::Write, path::PathBuf};
 
 // The prefix to add to all symbols
 // RBSSL = Rust BoringSSL, chosen arbitrarily to avoid collisions with other projects
@@ -32,14 +32,20 @@ fn android_toolchain(config: &Config) -> PathBuf {
 
 pub fn prefix_symbols(config: &Config) {
     // List static libraries to prefix symbols in
+    eprintln!("{:?}", config.out_dir);
+    eprintln!("{:?}", config.out_dir);
+    eprintln!("{:?}", config.out_dir);
+    eprintln!("{:?}", config.out_dir);
     let static_libs: Vec<PathBuf> = [
         config.out_dir.join("build"),
         config.out_dir.join("build").join("ssl"),
         config.out_dir.join("build").join("crypto"),
+        config.out_dir.join("build").join("Debug"),
+        config.out_dir.join("build").join("Release"),
     ]
     .iter()
     .flat_map(|dir| {
-        ["libssl.a", "libcrypto.a"]
+        ["libssl.a", "libcrypto.a", "ssl.lib", "crypto.lib"]
             .into_iter()
             .map(move |file| PathBuf::from(dir).join(file))
     })
@@ -47,11 +53,11 @@ pub fn prefix_symbols(config: &Config) {
     .collect();
 
     // Use `nm` to list symbols in these static libraries
-    let nm = match &*config.target_os {
-        "android" => android_toolchain(config).join("llvm-nm"),
-        _ => PathBuf::from("nm"),
+    let nm: &[PathBuf] = match &*config.target_os {
+        "android" => &[android_toolchain(config).join("llvm-nm")],
+        _ => &[PathBuf::from("nm"), PathBuf::from("llvm-nm")],
     };
-    let out = run_command(Command::new(nm).args(&static_libs)).unwrap();
+    let out = run_command(nm, |c| c.args(&static_libs)).unwrap();
     let mut redefine_syms: Vec<String> = String::from_utf8_lossy(&out.stdout)
         .lines()
         .filter(|l| {
@@ -74,16 +80,15 @@ pub fn prefix_symbols(config: &Config) {
     f.flush().unwrap();
 
     // Use `objcopy` to prefix symbols in these static libraries
-    let objcopy = match &*config.target_os {
-        "android" => android_toolchain(config).join("llvm-objcopy"),
-        _ => PathBuf::from("objcopy"),
+    let objcopy: &[PathBuf] = match &*config.target_os {
+        "android" => &[android_toolchain(config).join("llvm-objcopy")],
+        _ => &[PathBuf::from("objcopy"), PathBuf::from("llvm-objcopy")],
     };
     for static_lib in &static_libs {
-        run_command(
-            Command::new(&objcopy)
-                .arg(format!("--redefine-syms={}", redefine_syms_path.display()))
-                .arg(static_lib),
-        )
+        run_command(objcopy, |c| {
+            c.arg(format!("--redefine-syms={}", redefine_syms_path.display()))
+                .arg(static_lib)
+        })
         .unwrap();
     }
 }

boring/Cargo.toml

@@ -17,6 +17,8 @@ features = ["pq-experimental", "underscore-wildcards"]
 rustdoc-args = ["--cfg", "docsrs"]
 
 [features]
+default = ["prefix-symbols"]
+
 # Controlling the build
 
 # NOTE: This feature is deprecated. It is needed for the submoduled