fn compiler_check()

in aws-lc-sys/builder/cc_builder.rs [393:437]

• 43 lines of code
• 7 McCabe index (conditional complexity)

    fn compiler_check(&self, basename: &str) -> bool {
        let mut ret_val = false;
        let output_dir = self.out_dir.join(format!("out-{basename}"));
        let source_file = self
            .manifest_dir
            .join("aws-lc")
            .join("tests")
            .join("compiler_features_tests")
            .join(format!("{basename}.c"));
        if !source_file.exists() {
            emit_warning("######");
            emit_warning("###### WARNING: MISSING GIT SUBMODULE ######");
            emit_warning(&format!(
                "  -- Did you initialize the repo's git submodules? Unable to find source file: {}.",
                source_file.display()
            ));
            emit_warning("  -- run 'git submodule update --init --recursive' to initialize.");
            emit_warning("######");
            emit_warning("######");
        }
        let mut cc_build = cc::Build::default();
        cc_build
            .file(source_file)
            .warnings_into_errors(true)
            .out_dir(&output_dir);

        let compiler = cc_build.get_compiler();
        if compiler.is_like_gnu() || compiler.is_like_clang() {
            cc_build.flag("-Wno-unused-parameter");
        }
        let result = cc_build.try_compile_intermediates();

        if result.is_ok() {
            ret_val = true;
        }
        if fs::remove_dir_all(&output_dir).is_err() {
            emit_warning(&format!("Failed to remove {}", output_dir.display()));
        }
        emit_warning(&format!(
            "Compilation of '{basename}.c' {} - {:?}.",
            if ret_val { "succeeded" } else { "failed" },
            &result
        ));
        ret_val
    }