#!/usr/bin/env bash
# Compiles src/main/c/vtpinning.c into libvtpinning.so, linked against the JNI headers of
# whichever JDK is on JAVA_HOME (any JDK's jni.h works - the JNI ABI is stable across versions;
# this repo built it once against JDK 21's headers and loads it fine under JDK 21 and JDK 25).
# The .so is NOT committed to the repo; run this before the other scripts.
set -euo pipefail
cd "$(dirname "$0")/.."

: "${JAVA_HOME:?Set JAVA_HOME to a JDK install (its include/ dir must have jni.h)}"

mkdir -p target/native
gcc -shared -fPIC \
    -I"$JAVA_HOME/include" \
    -I"$JAVA_HOME/include/linux" \
    -o target/native/libvtpinning.so \
    src/main/c/vtpinning.c

echo "Built target/native/libvtpinning.so"