Install Grep by running the following commands:
export CPPFLAGS=-Dre_max_failures=re_max_failures2 &&
./configure --prefix=$LFS/usr --disable-nls &&
unset CPPFLAGS &&
make LDFLAGS=-static &&
make install
The grep package contains the egrep, fgrep and grep programs.
egrep prints lines from files matching an extended regular expression pattern.
fgrep prints lines from files matching a list of fixed strings, separated by newlines, any of which is to be matched.
grep prints lines from files matching a basic regular expression pattern.