#! /usr/bin/env bash

# Copyright (C) 2015 Red Hat, Inc.

# This file is part of elfutils.

#

# This file is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 3 of the License, or

# (at your option) any later version.

#

# elfutils is distributed in the hope that it will be useful, but

# WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program.  If not, see <http://www.gnu.org/licenses/>.

. $srcdir/test-subr.sh

if ! grep -q -F '#define _FILE_OFFSET_BITS' ${abs_top_builddir}/config.h; then

  echo "LFS testing is irrelevent on this system"

  exit 77

fi

# #include <stdio.h>

# int main () {

#     FILE *f = fopen ("/dev/null", "r");

#     return f == NULL;

# }

#

# Built for Linux i686, without setting _FILE_OFFSET_BITS.

# $ gcc -m32 -O2 nolfs.c -o testfile-nolfs

testfiles testfile-nolfs

LFS_FORMAT='BEGIN {

  while ((getline < "%s") > 0)

    /^\w/ && bad[$0]

  FS="@"

}

/@@GLIBC_/ && $1 in bad { print $1 }'

LFS=$(printf "$LFS_FORMAT" "${abs_srcdir}/lfs-symbols")

makeprint() {

  make print-$1 -C $2 |& awk -F= "/^$1=/{ print \$2 }"

}

testrun_lfs() {

  echo "checking $1"

  if [ -e "$1" ]; then

    bad=$(testrun ${abs_top_builddir}/src/nm -u "$1" | awk "$LFS")

    if [ -n "$bad" ]; then

      echo "$1 contains non-lfs symbols:" $bad

      exit_status=1

    fi

  else

    echo "$1 doesn't exist"

    exit_status=1

  fi

}

echo First sanity-check that LFS detection works.

exit_status=0

testrun_lfs ./testfile-nolfs

if [ $exit_status -eq 0 ]; then

  echo "Didn't detect any problem with testfile-nolfs!"

  exit 99

fi

echo

exit_status=0

echo Check all normal build targets.

for dir in libelf libdw libasm libcpu src; do

  dir=${abs_top_builddir}/$dir

  for program in $(makeprint PROGRAMS $dir); do

    testrun_lfs $dir/$program

  done

done

echo

echo Check all test programs.

dir=${abs_builddir}

for program in $(makeprint check_PROGRAMS $dir); do

  testrun_lfs $dir/$program

done

echo

exit $exit_status