No CMake required for non-FIPS

aws · Jan 24, 2024 · 936ea0c · 936ea0c
1 parent 9b66263
commit 936ea0c
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Showing 5 changed files with 526 additions and 52 deletions.
diff --git a/aws-lc-fips-sys/builder/main.rs b/aws-lc-fips-sys/builder/main.rs
@@ -55,22 +55,32 @@ enum OutputLibType {
     Dynamic,
 }
 
+fn env_var_to_bool(name: &str) -> Option<bool> {
+    let build_type_result = env::var(name);
+    if let Ok(env_var_value) = build_type_result {
+        eprintln!("{name}={env_var_value}");
+        // If the environment variable is set, we ignore every other factor.
+        let env_var_value = env_var_value.to_lowercase();
+        if env_var_value.starts_with('0')
+            || env_var_value.starts_with('n')
+            || env_var_value.starts_with("off")
+        {
+            return Some(false);
+        }
+        // Otherwise, if the variable is set, assume true
+        return Some(true);
+    }
+    return None;
+}
+
 impl Default for OutputLibType {
     fn default() -> Self {
-        let build_type_result = env::var("AWS_LC_FIPS_SYS_STATIC");
-        if let Ok(build_type) = build_type_result {
-            eprintln!("AWS_LC_FIPS_SYS_STATIC={build_type}");
-            // If the environment variable is set, we ignore every other factor.
-            let build_type = build_type.to_lowercase();
-            if build_type.starts_with('0')
-                || build_type.starts_with('n')
-                || build_type.starts_with("off")
-            {
-                // Only dynamic if the value is set and is a "negative" value
-                return OutputLibType::Dynamic;
-            }
-
-            return OutputLibType::Static;
+        if let Some(val) = env_var_to_bool("AWS_LC_FIPS_SYS_STATIC") {
+            return if val {
+                OutputLibType::Static
+            } else {
+                OutputLibType::Dynamic
+            };
         }
 
         if target_os() == "linux" && (target_arch() == "x86_64" || target_arch() == "aarch64") {
@@ -185,7 +195,6 @@ fn target_env() -> String {
     env::var("CARGO_CFG_TARGET_ENV").unwrap()
 }
 
-#[allow(unused)]
 fn target_vendor() -> String {
     env::var("CARGO_CFG_TARGET_VENDOR").unwrap()
 }
@@ -195,6 +204,25 @@ fn target() -> String {
     env::var("TARGET").unwrap()
 }
 
+fn get_builder(
+    prefix: Option<String>,
+    manifest_dir: &PathBuf,
+    out_dir: &PathBuf,
+) -> Box<dyn Builder> {
+    let cmake_builder_builder = || {
+        Box::new(CmakeBuilder::new(
+            manifest_dir.clone(),
+            out_dir.clone(),
+            prefix.clone(),
+            OutputLibType::default(),
+        ))
+    };
+
+    let cmake_builder = cmake_builder_builder();
+    cmake_builder.check_dependencies().unwrap();
+    cmake_builder
+}
+
 macro_rules! cfg_bindgen_platform {
     ($binding:ident, $os:literal, $arch:literal, $env:literal, $additional:expr) => {
         let $binding = {
@@ -214,8 +242,6 @@ trait Builder {
 }
 
 fn main() {
-    let output_lib_type = OutputLibType::default();
-
     let mut is_bindgen_required = cfg!(feature = "bindgen");
 
     let is_internal_generate = env::var("AWS_LC_RUST_INTERNAL_BINDGEN")
@@ -237,15 +263,7 @@ fn main() {
     let prefix = prefix_string();
     let out_dir_str = env::var("OUT_DIR").unwrap();
     let out_dir = Path::new(out_dir_str.as_str()).to_path_buf();
-
-    let builder = CmakeBuilder::new(
-        manifest_dir.clone(),
-        out_dir.clone(),
-        Some(prefix.clone()),
-        output_lib_type,
-    );
-
-    builder.check_dependencies().unwrap();
+    let builder = get_builder(Some(prefix.clone()), &manifest_dir, &out_dir);
 
     #[allow(unused_assignments)]
     let mut bindings_available = false;
@@ -275,9 +293,8 @@ fn main() {
 
     assert!(
         bindings_available,
-        "aws-lc-fip-sys build failed. Please enable the 'bindgen' feature on aws-lc-rs or aws-lc-fips-sys"
+        "aws-lc-fips-sys build failed. Please enable the 'bindgen' feature on aws-lc-rs or aws-lc-fips-sys"
     );
-
     builder.build().unwrap();
 
     println!(

diff --git a/aws-lc-sys/Cargo.toml b/aws-lc-sys/Cargo.toml
@@ -53,6 +53,9 @@ bindgen = ["dep:bindgen"] # Generate the bindings on the targetted platform as a
 cmake = "0.1.48"
 dunce = "1.0"
 fs_extra = "1.3"
+serde = { version = "1.0.195", features = ["derive"] }
+toml = "0.6.0"
+cc = { version = "1.0.83", features = ["parallel"] }
 
 [target.'cfg(any(all(target_os = "macos", target_arch = "x86_64"), all(target_os = "linux", target_arch = "x86", target_env="gnu"), all(target_os = "linux", target_arch = "x86_64", target_env="gnu"), all(target_os = "linux", target_arch = "aarch64", target_env="gnu")))'.build-dependencies]
 bindgen = { version = "0.69.1", optional = true }
@@ -64,6 +67,5 @@ bindgen = { version = "0.69.2" }
 [dependencies]
 libc = "0.2"
 paste = "1.0.11"
-
 [package.metadata.aws-lc-sys]
 commit-hash = "c2b14dfb82e1a4d0f2260e05cf07c3a864e52d99"