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Find path prefix to OpenSSL installed by Homebrew.

This commit is contained in:
eonil 2018-05-18 15:31:11 +09:00
parent 9e5dcb03f2
commit e037c0fcb8
2 changed files with 41 additions and 7 deletions
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14
README.md
View File

@ -48,25 +48,25 @@ make -j$(nproc)
make install
```
### OSX
### macOS
Although OpenSSL 0.9.8 is preinstalled on OSX this library is being phased out
of OSX and this crate also does not support that version of OpenSSL. To use this
crate on OSX you'll need to install OpenSSL via some alternate means, typically
Although OpenSSL 0.9.8 is preinstalled on macOS this library is being phased out
of macOS and this crate also does not support that version of OpenSSL. To use this
crate on macOS you'll need to install OpenSSL via some alternate means, typically
Homebrew:
```bash
brew install openssl
```
Occasionally an update of XCode or MacOS will cause the linker to fail after compilation, to rectify this you may want to try and run:
Occasionally an update of XCode or macOS will cause the linker to fail after compilation, to rectify this you may want to try and run:
```bash
xcode-select --install
```
If Homebrew is installed to the default location of `/usr/local`, OpenSSL will be
automatically detected.
If you're using latest version of Homebrew which supports `--prefix` command,
OpenSSL will be automatically detected.
### Windows MSVC

34
openssl-sys/build.rs
View File

@ -104,6 +104,8 @@ fn find_openssl_dir(target: &str) -> OsString {
let host = env::var("HOST").unwrap();
if host == target && target.contains("apple-darwin") {
// Check up default Homebrew installation location first
// for quick resolution if possible.
let homebrew = Path::new("/usr/local/opt/openssl@1.1");
if homebrew.exists() {
return homebrew.to_path_buf().into();
@ -112,6 +114,22 @@ fn find_openssl_dir(target: &str) -> OsString {
if homebrew.exists() {
return homebrew.to_path_buf().into();
}
// Calling `brew --prefix <package>` command usually slow and
// takes seconds, and will be used only as a last resort.
let output = execute_command_and_get_output("brew", &["--prefix", "openssl@1.1"]);
if let Some(ref output) = output {
let homebrew = Path::new(&output);
if homebrew.exists() {
return homebrew.to_path_buf().into();
}
}
let output = execute_command_and_get_output("brew", &["--prefix", "openssl"]);
if let Some(ref output) = output {
let homebrew = Path::new(&output);
if homebrew.exists() {
return homebrew.to_path_buf().into();
}
}
}
try_pkg_config();
@ -548,3 +566,19 @@ fn determine_mode(libdir: &Path, libs: &[&str]) -> &'static str {
// practices with security libs", let's link dynamically.
"dylib"
}
fn execute_command_and_get_output(cmd: &str, args: &[&str]) -> Option<String> {
let out = Command::new(cmd).args(args).output();
if let Ok(ref r1) = out {
if r1.status.success() {
let r2 = String::from_utf8(r1.stdout.clone());
if let Ok(r3) = r2 {
return Some(r3.trim().to_string());
}
}
}
return None;
}