LFS related scripts

#!/bin/bash
# Copyright © 1999-2022 Gerard Beekmans, modified by C. BinKadal.
# See file LICENCE-MIT.
# START: Mon 04 Jul 2022 13:00
#
# Simple script to list version numbers of critical development tools
export LC_ALL=C
bash --version | head -n1 | cut -d" " -f2-4
MYSH=$(readlink -f /bin/sh)
echo "/bin/sh -> $MYSH"
echo $MYSH | grep -q bash || echo "ERROR: /bin/sh does not point to bash"
unset MYSH

echo -n "Binutils: "; ld --version | head -n1 | cut -d" " -f3-
bison --version | head -n1

if [ -h /usr/bin/yacc ]; then
  echo "/usr/bin/yacc -> `readlink -f /usr/bin/yacc`";
elif [ -x /usr/bin/yacc ]; then
  echo yacc is `/usr/bin/yacc --version | head -n1`
else
  echo "yacc not found"
fi

echo -n "Coreutils: "; chown --version | head -n1 | cut -d")" -f2
diff --version | head -n1
find --version | head -n1
gawk --version | head -n1

if [ -h /usr/bin/awk ]; then
  echo "/usr/bin/awk -> `readlink -f /usr/bin/awk`";
elif [ -x /usr/bin/awk ]; then
  echo awk is `/usr/bin/awk --version | head -n1`
else
  echo "awk not found"
fi

gcc --version | head -n1
g++ --version | head -n1
grep --version | head -n1
gzip --version | head -n1
cat /proc/version
m4 --version | head -n1
make --version | head -n1
patch --version | head -n1
echo Perl `perl -V:version`
python3 --version
sed --version | head -n1
tar --version | head -n1
makeinfo --version | head -n1  # texinfo version
xz --version | head -n1

echo 'int main(){}' > dummy.c && g++ -o dummy dummy.c
if [ -x dummy ]
  then echo "g++ compilation OK";
  else echo "g++ compilation failed"; fi
rm -f dummy.c dummy

#!/bin/bash
# VER06: Mon 04 Jul 2022 16:00
# VER05: Tue 03 May 2022 18:30
# Adapted from LFS:  © 1999-2022 Gerard Beekmans
# Modified by C. BinKadal. See file LICENCE-MIT.
#
LOG="/tmp/tmpLFS-SBU.log"
BINUTILS="binutils-2.38"
TARBALL="$LFS/sources/$BINUTILS.tar.xz"
[ -f $TARBALL ]            || { echo "$TARBALL file: Not found";        exit 1; }
[[ "$(whoami)" == "lfs" ]] || { echo 'Run this script with user "LFS"'; exit 2; }
time {
    echo "HOSTNAME: $(hostname) -- DATE: $(date)"
    pushd  $LFS/sources/
    rm -rf $BINUTILS/
    echo  "tar..."
    tar    xf $TARBALL
    cd     $BINUTILS/
    mkdir -pv build/
    cd     build/
    echo  "configure..." | tee $LOG
    ../configure --prefix=$LFS/tools \
                 --with-sysroot=$LFS \
                 --target=$LFS_TGT   \
                 --disable-nls       \
                 --disable-werror &>> $LOG
    echo "make..." | tee -a $LOG
    make &>> $LOG
    echo "make install"
    make install &>> $LOG
    popd
    rm -rf $BINUTILS/
    CPUINFO=$(grep -E 'model +name.+' /proc/cpuinfo | head -1 |\
       awk '{$1="";$2="";$3="";print}' | sed -e 's/^   //')
    MYMEM=$(free  --giga|grep ^Mem:|awk  '{print $2}')
    MYSWAP=$(free --giga|grep ^Swap:|awk '{print $2}')
    echo "Memory: $MYMEM GB -- Swap: $MYSWAP GB -- MAKEFLAGS: $MAKEFLAGS"
    echo -n "Standard Build Unit (SBU) for $CPUINFO"
    echo "===== ====="
    echo "Do cross check for ERRORs in file $LOG"
}