Well, I've never been successful and building LFS. I ALWAYS get errors when building binutils in chapter 6. Here's the error output from typing 'make tooldir=/usr install'.
gcc -W -Wall -Wstrict-prototypes -Wmissing-prototypes -Werror -g -O2 -o .libs/ar arparse.o arlex.o ar.o not-ranlib.o arsup.o rename.o binemul.o emul_vanilla.o bucomm.o version.o filemode.o ../bfd/.libs/libbfd.so -L/sources/binutils-build/libiberty/pic -liberty ../libiberty/libiberty.a -ldl
arlex.o: In function `main':
/sources/binutils-build/binutils/arlex.c:1: multiple definition of `main'
arparse.o:/sources/binutils-build/binutils/arparse.c:1: first defined here
ar.o: In function `main':
../../binutils-2.16.90.0.3/binutils/ar.c:337: multiple definition of `main'
arparse.o:/sources/binutils-build/binutils/arparse.c:1: first defined here
/tools/lib/gcc/i686-pc-linux-gnu/3.4.4/../../../../i686-pc-linux-gnu/bin/ld: Warning: size of symbol `main' changed from 16 in arparse.o to 3491 in ar.o
bucomm.o: In function `make_tempname':
../../binutils-2.16.90.0.3/binutils/bucomm.c:425: warning: the use of `mktemp' is dangerous, better use `mkstemp'
ar.o: In function `mri_emul':
ar.c
.text+0x22): undefined reference to `yyparse'
collect2: ld returned 1 exit status
make[3]: *** [ar] Error 1
make[3]: Leaving directory `/sources/binutils-build/binutils'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/sources/binutils-build/binutils'
make[1]: *** [all-recursive-am] Error 2
make[1]: Leaving directory `/sources/binutils-build/binutils'
make: *** [all-binutils] Error 2
root:/sources/binutils-build#
I'm open to suggestions