Setup development environment with libbpf

external/libbpf-bootstrap/libbpf/travis-ci/vmtest/prepare_selftests.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+
+set -eu
+
+source $(cd $(dirname $0) && pwd)/helpers.sh
+
+REPO_PATH=${1:-}
+
+if [[ ! -z "$REPO_PATH" ]]; then
+	${VMTEST_ROOT}/checkout_latest_kernel.sh ${REPO_PATH}
+	cd ${REPO_PATH}
+fi
+
+if [[ "${KERNEL}" = 'LATEST' ]]; then
+	travis_fold start build_kernel "Kernel build"
+
+	cp "$VMTEST_ROOT"/configs/config-latest."$ARCH" .config
+	make -j $((4*$(nproc))) olddefconfig all >/dev/null
+	travis_fold end build_kernel
+fi
+