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/* What the Android toolchain is asked to prove.
 *
 * Nothing ships this: it is the smallest object that can only compile if the
 * driver really is the NDK's, really is pointed at bionic, and really is
 * building for the device rather than for the host that invoked it. A desktop
 * clang answers every one of these the other way, and __ANDROID_API__ comes
 * from the --target= suffix, so a missing API level fails here too. */
#include <android/api-level.h>
#include <jni.h>

#if !defined(__ANDROID__)
#error "not an Android target"
#endif
#if !defined(__aarch64__)
#error "not an arm64 target"
#endif
#if __ANDROID_API__ < 28
#error "API level below frq's min_sdk_version"
#endif

/* jni.h is a platform header, so reaching it proves the sysroot is the NDK's
 * and not whatever the host has under /usr/include. */
jint jolt_android_abi_ok(void) {
    return __ANDROID_API__;
}