#!/usr/bin/env bash

mkdir --parents mpfr
archivepath=$(find "${SOURCES}" -name "mpfr*.tar.*" -print)
tar --extract --file=../"$(basename "${archivepath}")" --directory=mpfr --strip-components=1

mkdir --parents gmp
archivepath=$(find "${SOURCES}" -name "gmp*.tar.*" -print)
tar --extract --file=../"$(basename "${archivepath}")" --directory=gmp --strip-components=1

mkdir --parents mpc
archivepath=$(find "${SOURCES}" -name "mpc*.tar.*" -print)
tar --extract --file=../"$(basename "${archivepath}")" --directory=mpc --strip-components=1

case $(uname -m) in
  x86_64)
    sed --expression='/m64=/s/lib64/lib/' --in-place=.orig gcc/config/i386/t-linux64
  ;;
esac

mkdir --parents build

pushd build || return 1
  ../configure                                       \
      --target="${LFS_TGT}"                          \
      --prefix="${LFS}"/tools                        \
      --with-glibc-version=2.43                      \
      --with-sysroot="${LFS}"                        \
      --with-newlib                                  \
      --without-headers                              \
      --enable-default-pie                           \
      --enable-default-ssp                           \
      --disable-nls                                  \
      --disable-shared                               \
      --disable-multilib                             \
      --disable-threads                              \
      --disable-libatomic                            \
      --disable-libgomp                              \
      --disable-libquadmath                          \
      --disable-libssp                               \
      --disable-libvtv                               \
      --disable-libstdcxx                            \
      --enable-languages=c,c++
  
  make
  make install
popd || return 1

cat gcc/{limitx,glimits,limity}.h  > \
  "$("${LFS_TGT}"-gcc -print-file-name=include)"/limits.h