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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use std::env;
use std::path::Path;
use std::process;
use std::process::{Command, Stdio};
fn main() {
// build.rs is not platform-specific, so we have to check the target here.
let target = env::var("TARGET").unwrap();
if target.contains("android") {
android_main()
}
}
fn android_main() {
// Get the NDK path from NDK_HOME env.
let ndk_path = env::var("NDK_HOME").ok().expect("Please set the NDK_HOME environment variable");
let ndk_path = Path::new(&ndk_path);
// Get the standalone NDK path from NDK_STANDALONE env.
let standalone_path = env::var("NDK_STANDALONE").ok().expect("Please set the NDK_STANDALONE environment variable");
let standalone_path = Path::new(&standalone_path);
// Get the standalone NDK path from NDK_STANDALONE env.
let out_dir = env::var("OUT_DIR").ok().expect("Cargo should have set the OUT_DIR environment variable");
let directory = Path::new(&out_dir);
// compiling android_native_app_glue.c
if Command::new(standalone_path.join("bin").join("arm-linux-androideabi-gcc"))
.arg(ndk_path.join("sources").join("android").join("native_app_glue").join("android_native_app_glue.c"))
.arg("-c")
.arg("-o").arg(directory.join("android_native_app_glue.o"))
.stdout(Stdio::inherit())
.stderr(Stdio::inherit())
.status().unwrap().code().unwrap() != 0
{
println!("Error while executing gcc");
process::exit(1)
}
// compiling libandroid_native_app_glue.a
if Command::new(standalone_path.join("bin").join("arm-linux-androideabi-ar"))
.arg("rcs")
.arg(directory.join("libandroid_native_app_glue.a"))
.arg(directory.join("android_native_app_glue.o"))
.stdout(Stdio::inherit())
.stderr(Stdio::inherit())
.status().unwrap().code().unwrap() != 0
{
println!("Error while executing ar");
process::exit(1)
}
println!("cargo:rustc-link-lib=static=android_native_app_glue");
println!("cargo:rustc-link-search=native={}", out_dir);
println!("cargo:rustc-link-lib=log");
println!("cargo:rustc-link-lib=android");
}
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