libbsd-dev 0.6.0-2ubuntu1 / postinst

#!/bin/sh

set -e

cat_elfutils_body_nlist_h()
{
  cat <<"EOF"

#ifndef _NLIST_H
#define _NLIST_H 1


/* Symbol list type.  */
struct nlist
{
  char *n_name;			/* Symbol name.  */
  long int n_value;		/* Value of symbol.  */
  short int n_scnum;		/* Section number found in.  */
  unsigned short int n_type;	/* Type of symbol.  */
  char n_sclass;		/* Storage class.  */
  char n_numaux;		/* Number of auxiliary entries.  */
};


#ifdef __cplusplus
extern "C" {
#endif

/* Get specified entries from file.  */
extern int nlist (__const char *__filename, struct nlist *__nl);

#ifdef __cplusplus
}
#endif

#endif  /* nlist.h */
EOF
}

cat_elfutils_old_nlist_h()
{
  cat <<"EOF"
/* Interface for nlist.
   Copyright (C) 1998, 1999, 2000, 2002 Red Hat, Inc.
   This file is part of Red Hat elfutils.

   Red Hat elfutils 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; version 2 of the License.

   Red Hat 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 Red Hat elfutils; if not, write to the Free Software Foundation,
   Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA.

   In addition, as a special exception, Red Hat, Inc. gives You the
   additional right to link the code of Red Hat elfutils with code licensed
   under any Open Source Initiative certified open source license
   (http://www.opensource.org/licenses/index.php) which requires the
   distribution of source code with any binary distribution and to
   distribute linked combinations of the two.  Non-GPL Code permitted under
   this exception must only link to the code of Red Hat elfutils through
   those well defined interfaces identified in the file named EXCEPTION
   found in the source code files (the "Approved Interfaces").  The files
   of Non-GPL Code may instantiate templates or use macros or inline
   functions from the Approved Interfaces without causing the resulting
   work to be covered by the GNU General Public License.  Only Red Hat,
   Inc. may make changes or additions to the list of Approved Interfaces.
   Red Hat's grant of this exception is conditioned upon your not adding
   any new exceptions.  If you wish to add a new Approved Interface or
   exception, please contact Red Hat.  You must obey the GNU General Public
   License in all respects for all of the Red Hat elfutils code and other
   code used in conjunction with Red Hat elfutils except the Non-GPL Code
   covered by this exception.  If you modify this file, you may extend this
   exception to your version of the file, but you are not obligated to do
   so.  If you do not wish to provide this exception without modification,
   you must delete this exception statement from your version and license
   this file solely under the GPL without exception.

   Red Hat elfutils is an included package of the Open Invention Network.
   An included package of the Open Invention Network is a package for which
   Open Invention Network licensees cross-license their patents.  No patent
   license is granted, either expressly or impliedly, by designation as an
   included package.  Should you wish to participate in the Open Invention
   Network licensing program, please visit www.openinventionnetwork.com
   <http://www.openinventionnetwork.com>.  */
EOF

  cat_elfutils_body_nlist_h
}

cat_elfutils_new_nlist_h()
{
  cat <<"EOF"
/* Interface for nlist.
   Copyright (C) 1998, 1999, 2000, 2002 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 either

     * the GNU Lesser General Public License as published by the Free
       Software Foundation; either version 3 of the License, or (at
       your option) any later version

   or

     * the GNU General Public License as published by the Free
       Software Foundation; either version 2 of the License, or (at
       your option) any later version

   or both in parallel, as here.

   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 copies of the GNU General Public License and
   the GNU Lesser General Public License along with this program.  If
   not, see <http://www.gnu.org/licenses/>.  */
EOF

  cat_elfutils_body_nlist_h
}

cat_libelf_nlist_h()
{
  cat <<"EOF"
#include <libelf/nlist.h>
EOF
}

pkg_installed()
{
  local pkg="$1"

  dpkg-query -f '${Status}' -W $pkg 2>/dev/null | \
    grep -qE '[^ ]* ok (unpacked|triggers-awaited|triggers-pending|installed)'
}

pkg_cmp_version()
{
  local pkg="$1"
  local cmp_op="$2"
  local cmp_version="$3"
  local pkg_version=$(dpkg-query -f '${Version}' -W "$pkg")

  dpkg --compare-versions $pkg_version $cmp_op $cmp_version
}

case "$1" in
  configure)
    # If nlist.h is missing or contains the libbsd instance, and either
    # libelf-dev or libelfg0-dev is installed, then we took it over from
    # them, restore a copy from the correct ABI-compatible one.
    if [ ! -f /usr/include/nlist.h ] || \
       [ "`md5sum /usr/include/nlist.h | awk '{print $1}'`" = "8df5a9787bae18098f88e31c1a31b1ca" ]; then
      if pkg_installed libelf-dev; then
        if pkg_cmp_version libelf-dev ge 0.154; then
          cat_elfutils_new_nlist_h >/usr/include/nlist.h
        else
          cat_elfutils_old_nlist_h >/usr/include/nlist.h
        fi
      elif pkg_installed libelfg0-dev; then
        cat_libelf_nlist_h >/usr/include/nlist.h
      fi
    fi
    ;;
esac



exit 0