libc: building a test version

GLIBC_ROOT=~/glibc
GLIBC_BUILD=$GLIBC_ROOT.build
GLIBC_INST=$GLIBC_ROOT.inst
GLIBC_TEST=$GLIBC_ROOT.test

mkdir $GLIBC_BUILD
cd    $GLIBC_BUILD

$GLIBC_ROOT/configure --prefix=$GLIBC_INST

make 
make install

cd $GLIBC_TEST

gcc                                         \
  -nostdinc                                 \
  -I$GLIBC_INST/include                     \
  -I$(gcc --print-file-name=include)        \
  -nostdlib                                 \
  -nostartfiles                             \
  -o foo                                    \
   $GLIBC_INST/lib/crt1.o                   \
   $GLIBC_INST/lib/crti.o                   \
 $(gcc  --print-file-name=crtbegin.o)       \
   foo.c                                    \
  $GLIBC_INST/lib/libc.so.6                 \
  $GLIBC_INST/lib/libc_nonshared.a          \
 $(gcc  --print-file-name=crtend.o)         \
  $GLIBC_INST/lib/crtn.o

export LD_LIBRARY_PATH=$GLIBC_INST/lib

#include <stdio.h>
int main() {

  printf("This is a %s, the number is %d\n", "test", 42);

  return 0;
}

export LD_LIBRARY_PATH=$GLIBC_INST/lib