#!/bin/sh -eux

# Copyright (c) 2019 Yubico AB. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
# SPDX-License-Identifier: BSD-2-Clause

LIBCBOR="$1"
LIBFIDO2="$2"

CC="${CC:-clang}"
CXX="${CXX:-clang++}"
PKG_CONFIG_PATH="${PKG_CONFIG_PATH:-${LIBCBOR}/install/lib/pkgconfig}"
export CC PKG_CONFIG_PATH

# Clean up.
rm -rf "${LIBCBOR}/build" "${LIBCBOR}/install" "${LIBFIDO2}/build"

# Patch, build, and install libcbor.
(cd "${LIBCBOR}" && patch -N -l -s -p0 < "${LIBFIDO2}/fuzz/README") || true
mkdir "${LIBCBOR}/build" "${LIBCBOR}/install"
(cd "${LIBCBOR}/build" && cmake -DBUILD_SHARED_LIBS=ON \
	-DCMAKE_INSTALL_PREFIX="${LIBCBOR}/install" ..)
make -C "${LIBCBOR}/build" VERBOSE=1 all install

# Build libfido2.
mkdir -p "${LIBFIDO2}/build"
export CFLAGS="-fprofile-instr-generate -fcoverage-mapping"
export CFLAGS="${CFLAGS} -fsanitize=fuzzer-no-link"
export LDFLAGS="${CFLAGS}"
export FUZZ_LDFLAGS="${LDFLAGS} -fsanitize=fuzzer"
(cd "${LIBFIDO2}/build" && cmake -DFUZZ=ON -DFUZZ_LDFLAGS="${FUZZ_LDFLAGS}" \
	-DCMAKE_BUILD_TYPE=Debug ..)
make -C "${LIBFIDO2}/build"