#!/usr/bin/env bash

echo "---- LFS=${LFS}"
echo "---- LFS_TGT=${LFS_TGT}"

case $(uname --machine) in
    i?86)
        ln --symbolic --force --verbose ld-linux.so.2 "${LFS}"/lib/ld-lsb.so.3
    ;;
    x86_64)
        ln --symbolic --force --verbose ../lib/ld-linux-x86-64.so.2 "${LFS}"/lib64
        ln --symbolic --force --verbose ../lib/ld-linux-x86-64.so.2 "${LFS}"/lib64/ld-lsb-x86-64.so.3
    ;;
esac

patch --forward --strip=1 --input=../glibc-fhs-1.patch

patch --forward --strip=1 --input=../glibc-2.43-upstream_fixes-1.patch

mkdir --verbose build

cd build || return 1

echo "rootsbindir=/usr/sbin" > configparms

../configure                               \
      --prefix=/usr                        \
      --host="${LFS_TGT}"                  \
      --build="$(../scripts/config.guess)" \
      --disable-nscd                       \
      libc_cv_slibdir=/usr/lib             \
      --enable-kernel=5.10

make
make DESTDIR="${LFS}" install

sed '/RTLDLIST=/s@/usr@@g' -i "${LFS}"/usr/bin/ldd


echo 'int main(){}' | "${LFS_TGT}"-gcc -x c - -v -Wl,--verbose &> dummy.log
grep -E -o "${LFS}/lib.*/S?crt[1in].*succeeded" dummy.log || return 1
grep -B3 "^ ${LFS}/usr/include" dummy.log || return 1
grep 'SEARCH.*/usr/lib' dummy.log |sed 's|; |\n|g' || return 1
grep "/lib.*/libc.so.6 " dummy.log |grep 'succeeded' || return 1

case $(uname -m) in
    i?86)
        readelf -l a.out | grep ': /lib' | grep '/lib/ld-linux.so.2' || return 1 
        grep found dummy.log |grep "${LFS}/usr/lib/ld-linux.so.2" || return 1
    ;;
    x86_64)
        readelf -l a.out | grep ': /lib' | grep '/lib64/ld-linux-x86-64.so.2' || return 1 
        grep found dummy.log |grep "${LFS}/usr/lib/ld-linux-x86-64.so.2" || return 1
    ;;
esac