build-libusb-compat.sh

#!/usr/bin/env bash
# Copyright 2024-2025 Nick Brassel (@tzarc)
# SPDX-License-Identifier: GPL-2.0-or-later

set -eEuo pipefail

this_script=$(realpath "${BASH_SOURCE[0]}")
script_dir=$(dirname "$this_script")
source "$script_dir/common.bashinc"
cd "$script_dir"

build_one_help "$@"
respawn_docker_if_needed "$@"

source_dir="$script_dir/.repos/libusb-compat"
if [ ! -e "$source_dir/configure" ]; then
    pushd "$source_dir" >/dev/null 2>&1
    ./bootstrap.sh
    popd >/dev/null 2>&1
fi

for triple in "${triples[@]}"; do
    echo
    build_dir="$script_dir/.build/$(fn_os_arch_fromtriplet "$triple")/libusb-compat"
    xroot_dir="$script_dir/.xroot/$(fn_os_arch_fromtriplet "$triple")"
    mkdir -p "$build_dir"
    echo "Building libusb-compat for $triple => $build_dir"
    pushd "$build_dir" >/dev/null 2>&1
    rm -rf "$build_dir/*"

    PKG_CONFIG_PATH="$xroot_dir/lib/pkgconfig"
    CFLAGS=$(pkg-config --with-path="$xroot_dir/lib/pkgconfig" --static --cflags libusb-1.0)
    LDFLAGS=$(pkg-config --with-path="$xroot_dir/lib/pkgconfig" --static --libs libusb-1.0)

    # dfu-util includes `libusb-1.0` in its paths, so we need the parent.
    CFLAGS="$CFLAGS -I$xroot_dir/include"


    rcmd "$source_dir/configure" --prefix="$xroot_dir" --host=$triple --enable-shared=no --enable-static --disable-udev CC="${triple}-gcc" CXX="${triple}-g++" LIBUSB_1_0_CFLAGS="$CFLAGS" LIBUSB_1_0_LIBS="$LDFLAGS"
    rcmd make clean
    rcmd make -j$(nproc) install
    popd >/dev/null 2>&1
done