Commit bfff71b7 authored by Steven Fackler's avatar Steven Fackler
Browse files

Merge pull request #225 from semmaz/mingw-build-fix

Added support for building on Windows with MinGW
parents bd0672cc 9cf9ac6e
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+9 −1
Original line number Diff line number Diff line
@@ -29,7 +29,15 @@ rust-openssl to a separate installation.

### Windows

Install OpenSSL from [here][1]. Cargo will not be able to find OpenSSL if it's
On Windows, consider building with [mingw-w64](http://mingw-w64.org/).
Build script will try to find mingw in `PATH` environment variable to provide
Cargo with location where openssl libs from mingw-w64 package may be found.
If you followed guide [Building on Windows](https://github.com/rust-lang/rust#building-on-windows)
from rust repo, then you should have [MSYS2](http://msys2.github.io/) with
`mingw-w64-openssl` installed as part of `mingw-w64-x86_64-toolchain`
(or `mingw-w64-i686-toolchain`) package.

Alternatively, install OpenSSL from [here][1]. Cargo will not be able to find OpenSSL if it's
installed to the default location. You can either copy the `include/openssl`
directory, `libssl32.dll`, and `libeay32.dll` to locations that Cargo can find
or pass the location to Cargo via environment variables:
+32 −1
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@@ -18,13 +18,22 @@ fn main() {
            build_old_openssl_shim(&info.include_paths);
            return;
        }
        if let Some(mingw_paths) = get_mingw_in_path() {
            for path in mingw_paths {
                println!("cargo:rustc-flags=-L native={}", path);
            }
        }
    }

    let libs_env = env::var("OPENSSL_LIBS").ok();
    let libs = match libs_env {
        Some(ref v) => v.split(":").collect(),
        None => if target.contains("windows") {
            if get_mingw_in_path().is_some() && lib_dir.is_none() && include_dir.is_none() {
                vec!("eay32", "ssleay32")
            } else {
                vec!("eay32", "ssl32")
            }
        } else {
            vec!("crypto", "ssl")
        }
@@ -62,3 +71,25 @@ fn build_old_openssl_shim(include_paths: &[PathBuf]) {
    config.file("src/old_openssl_shim.c")
        .compile("libold_openssl_shim.a");
}

fn get_mingw_in_path() -> Option<Vec<String>> {
    match env::var_os("PATH") {
        Some(env_path) => {
            let paths: Vec<String> = env::split_paths(&env_path).filter_map(|path| {
                use std::ascii::AsciiExt;

                match path.to_str() {
                    Some(path_str) => {
                        if path_str.to_ascii_lowercase().contains("mingw") {
                            Some(path_str.to_string())
                        } else { None }
                    },
                    None => None
                }
            }).collect();

            if paths.len() > 0 { Some(paths) } else { None }
        },
        None => None
    }
}