#! /bin/sh

set -ex

srcdir="$(dirname "$0")"
test -z "$srcdir" && srcdir=.

cd "$srcdir"

if [ -z "$BOOTSTRAP_NO_SHALLOW_CLONES" ]; then
    SHALLOW_CLONE_FLAG="--depth=1"
fi

[ -d common/flanterm ] || git clone https://github.com/mintsuki/flanterm.git common/flanterm $SHALLOW_CLONE_FLAG
[ -f common/stb/stb_image.h ] || ( curl -Lo common/stb/stb_image.h https://github.com/nothings/stb/raw/dev/stb_image.h && patch -p0 < common/stb_image.patch )
[ -d decompressor/tinf ] || (
    set -e
    mkdir -p decompressor/tinf
    curl -Lo decompressor/tinf/tinf.h https://github.com/jibsen/tinf/raw/master/src/tinf.h
    curl -Lo decompressor/tinf/tinflate.c https://github.com/jibsen/tinf/raw/master/src/tinflate.c
    curl -Lo decompressor/tinf/tinfgzip.c https://github.com/jibsen/tinf/raw/master/src/tinfgzip.c
    patch -p0 < decompressor/tinf.patch
)
[ -f freestanding-toolchain ] || ( curl -Lo freestanding-toolchain https://github.com/mintsuki/freestanding-toolchain/raw/trunk/freestanding-toolchain && chmod +x freestanding-toolchain )
[ -d freestanding-headers ] || git clone https://github.com/mintsuki/freestanding-headers.git $SHALLOW_CLONE_FLAG
[ -d limine-efi ] || git clone https://github.com/limine-bootloader/limine-efi.git $SHALLOW_CLONE_FLAG
[ -d libgcc-binaries ] || git clone https://github.com/mintsuki/libgcc-binaries.git $SHALLOW_CLONE_FLAG

AUTOMAKE_LIBDIR="$(automake --print-libdir)"
cp "${AUTOMAKE_LIBDIR}/INSTALL" ./
mkdir -p build-aux
cp "${AUTOMAKE_LIBDIR}/install-sh" build-aux/

autoreconf -fvi -Wall