#!/bin/env bash

set -e

mkdir -p /toolchain/gcc/.bootstrap-build && cd /toolchain/gcc

tar xf /downloads/gcc-$GCC_VERSION.tar.xz

cd gcc-$GCC_VERSION

./contrib/download_prerequisites

for PATCH in $(ls /patches/gcc-$GCC_VERSION-$TARGET/*.patch); do
  patch -p0 -i $PATCH
done

cd /toolchain/gcc/.bootstrap-build

CFLAGS=${CFLAGS/-Werror=format-security/}
CXXFLAGS=${CXXFLAGS/-Werror=format-security/}
PATH=/opt/bootstrap/bin:/opt/toolchain/bin:$PATH

../gcc-$GCC_VERSION/configure \
  --enable-initfini-array     \
  --enable-languages=c,c++    \
  --prefix=/opt/bootstrap     \
  --target=$TARGET            \
  --with-as=/opt/toolchain/bin/${TARGET}-as \
  --with-ld=/opt/toolchain/bin/${TARGET}-ld \
  --without-headers           \
  CPPFLAGS="-I$STATIC_DEPS_PREFIX/include" \
  LDFLAGS="-L$STATIC_DEPS_PREFIX/lib"

make -j$(nproc) all-gcc
make install-gcc

make -j$(nproc) all-target-libgcc
make install-target-libgcc