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FIX: android ndk path set for cross compile build chain

This commit is contained in:
JohnE 2026-04-30 20:26:37 -07:00
parent cbad181ae6
commit 80e0e65462
1 changed files with 30 additions and 0 deletions
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30
crates/ccc-crypto-wolfssl/build.rs
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@ -13,6 +13,11 @@
//! * `WOLFSSL_INSTALL_DIR` – If set, skip the CMake build and link against //! * `WOLFSSL_INSTALL_DIR` – If set, skip the CMake build and link against
//! a pre-installed wolfSSL at this path. The path must contain //! a pre-installed wolfSSL at this path. The path must contain
//! `include/wolfssl/` and `lib/libwolfssl.a`. //! `include/wolfssl/` and `lib/libwolfssl.a`.
//! * `ANDROID_NDK_ROOT` (or `ANDROID_NDK_HOME`) – Required when targeting
//! Android. Set to the NDK root directory so that CMake can locate the
//! Android toolchain. Cargokit/Gradle sets this automatically; when
//! invoking `cargo` directly make sure the variable is exported in your
//! shell session.
use std::{ use std::{
env, env,
@ -99,6 +104,31 @@ fn build_wolfssl_cmake(source_dir: &Path, _out_dir: &Path) -> (PathBuf, PathBuf)
let mut cfg = cmake::Config::new(source_dir); let mut cfg = cmake::Config::new(source_dir);
// ── Android NDK ───────────────────────────────────────────────────────────
// When cross-compiling for Android the cmake crate already sets
// CMAKE_SYSTEM_NAME=Android and the clang compiler paths. The only
// missing piece that Android-Determine.cmake checks first is
// CMAKE_ANDROID_NDK — once it is set all other NDK detection succeeds.
//
// We read it from ANDROID_NDK_ROOT (standard SDK Manager layout) or the
// legacy ANDROID_NDK_HOME. Cargokit/Gradle sets ANDROID_NDK_ROOT, and the
// same variable must be visible in the shell when using cargo directly.
let target_os = env::var("CARGO_CFG_TARGET_OS").unwrap_or_default();
if target_os == "android" {
let ndk_root = env::var("ANDROID_NDK_ROOT")
.or_else(|_| env::var("ANDROID_NDK_HOME"))
.unwrap_or_else(|_| {
panic!(
"\n\nAndroid target requires ANDROID_NDK_ROOT (or ANDROID_NDK_HOME) \
to be set.\nSet it to the NDK directory, e.g.:\n \
export ANDROID_NDK_ROOT=$HOME/apps/android-sdk/ndk/28.x.x\n"
)
});
cfg.define("CMAKE_ANDROID_NDK", &ndk_root);
println!("cargo:rerun-if-env-changed=ANDROID_NDK_ROOT");
println!("cargo:rerun-if-env-changed=ANDROID_NDK_HOME");
}
// ── Core algorithm selection ───────────────────────────────────────────── // ── Core algorithm selection ─────────────────────────────────────────────
// wolfSSL cmake uses add_option() with "yes"/"no" string values (not ON/OFF). // wolfSSL cmake uses add_option() with "yes"/"no" string values (not ON/OFF).
// Option names must exactly match the `add_option("NAME" ...)` calls in // Option names must exactly match the `add_option("NAME" ...)` calls in