#!/bin/bash

source_dir=$1
build_dir=$2
platform=$3
machine=$4

echo "Building $machine-$platform sysroot"
mkdir -p $build_dir/sysroot/usr/include/{sys,machine}

cp $source_dir/photon/libc/include/*.h $build_dir/sysroot/usr/include

platform_headers=$(find $source_dir/photon/libc/sys/$platform \
    -maxdepth 1 -type f \( -iname "*.h" ! -iname "__*" \) 2>/dev/null)
platform_sys_headers=$(find $source_dir/photon/libc/sys/$platform/sys \
    -maxdepth 1 -type f \( -iname "*.h" ! -iname "__*" \) 2>/dev/null)
platform_sys_arch_headers=$(find $source_dir/photon/libc/sys/$platform/machine/$machine \
    -maxdepth 1 -type f \( -iname "*.h" ! -iname "__*" \) 2>/dev/null)

if [ ! -z "$platform_headers" ]; then
    cp -t $build_dir/sysroot/usr/include $platform_headers
fi

if [ ! -z "$platform_sys_headers" ]; then
    cp -t $build_dir/sysroot/usr/include/sys $platform_sys_headers
fi

if [ ! -z "$platform_sys_arch_headers" ]; then
    cp -t $build_dir/sysroot/usr/include/sys $platform_sys_arch_headers
fi

machine_arch_headers=$(find $source_dir/photon/libc/machine/$machine/ \
                    -type f \( -iname "*.h" ! -iname "__*" \) 2>/dev/null)
machine_generic_headers=$(find $source_dir/photon/libc/include/machine/ \
                    -type f \( -iname "*.h" ! -iname "__*" \) 2>/dev/null)

if [ ! -z "$machine_generic_headers" ]; then
    cp -t $build_dir/sysroot/usr/include/machine $machine_generic_headers
fi

if [ ! -z "$machine_arch_headers" ]; then
    cp -t $build_dir/sysroot/usr/include/machine $machine_arch_headers
fi