wip

Signed-off-by: Marc 'risson' Schmitt <[email protected]>

.github/workflows/ci-python.yml

@@ -157,7 +157,7 @@ jobs:
         env:
           CIBW_ARCHS_LINUX: auto aarch64 ppc64le s390x
           CIBW_BEFORE_ALL_LINUX: "curl -sSf https://sh.rustup.rs | sh -s -- -y && yum install -y krb5-devel clang-devel"
-          CIBW_BEFORE_ALL_MACOS: "brew install llvm krb5"
+          CIBW_BEFORE_ALL_MACOS: "curl -sSf https://sh.rustup.rs | sh -s -- -y && brew install krb5 llvm"
           CIBW_ENVIRONMENT_LINUX: "PATH=$HOME/.cargo/bin:$PATH"
           CIBW_SKIP: "*-musllinux_i686 *-manylinux_i686"
           CIBW_MANYLINUX_X86_64_IMAGE: manylinux_2_28

kadmin-sys/build.rs

@@ -1,6 +1,94 @@
-use std::{env, path::PathBuf};
+use std::{
+    env,
+    path::{Path, PathBuf},
+    process::Command,
+};
+
+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());
+            }
+        }
+    }
+
+    None
+}
+
+fn resolve_with_wellknown_homebrew_location(dir: &str) -> Option<PathBuf> {
+    // Check up default aarch 64 Homebrew installation location first
+    // for quick resolution if possible.
+    //  `pkg-config` on brew doesn't necessarily contain settings for krb5 apparently.
+    let homebrew = Path::new(dir).join("opt/krb5");
+    if homebrew.exists() {
+        return Some(homebrew);
+    }
+    // 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", "krb5"]);
+    if let Some(ref output) = output {
+        let homebrew = Path::new(&output);
+        if homebrew.exists() {
+            return Some(homebrew.to_path_buf());
+        }
+    }
+
+    None
+}
+
+fn resolve_with_wellknown_location(dir: &str) -> Option<PathBuf> {
+    let root_dir = Path::new(dir);
+    let include_krb5 = root_dir.join("include/krb5");
+    if include_krb5.exists() {
+        Some(root_dir.to_path_buf())
+    } else {
+        None
+    }
+}
+
+fn find_macos(target: &str, host: &str) -> Option<PathBuf> {
+    if host == target && target.ends_with("-apple-darwin") {
+        let homebrew_dir = match target {
+            "aarch64-apple-darwin" => "/opt/homebrew",
+            _ => "/usr/local",
+        };
+
+        if let Some(dir) = resolve_with_wellknown_homebrew_location(homebrew_dir) {
+            return Some(dir);
+        } else if let Some(dir) = resolve_with_wellknown_location("/opt/pkg") {
+            // pkgsrc
+            return Some(dir);
+        } else if let Some(dir) = resolve_with_wellknown_location("/opt/local") {
+            // MacPorts
+            return Some(dir);
+        }
+    }
+    None
+}
 
 fn main() {
+    let target = env::var("TARGET").unwrap();
+    let host = env::var("HOST").unwrap();
+
+    if let Some(dir) = find_macos(&target, &host) {
+        for lib in ["KRB5", "KADM5CLNT", "KADM5SRV"] {
+            unsafe {
+                env::set_var(
+                    format!("SYSTEM_DEPS_{lib}_SEARCH_NATIVE"),
+                    format!("{}/lib", dir.display()),
+                );
+                env::set_var(
+                    format!("SYSTEM_DEPS_{lib}_SEARCH_FRAMEWORK"),
+                    format!("{}/lib", dir.display()),
+                );
+                env::set_var(format!("SYSTEM_DEPS_{lib}_INCLUDE"), format!("{}/include", dir.display()));
+            }
+        }
+    }
+
     let deps = system_deps::Config::new().probe().unwrap();
 
     let mut builder = bindgen::builder()