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dnl BEGIN COPYRIGHT BLOCK
dnl This program is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; version 2 of the License.
dnl 
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
dnl GNU General Public License for more details.
dnl 
dnl You should have received a copy of the GNU General Public License along
dnl with this program; if not, write to the Free Software Foundation, Inc.,
dnl 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
dnl 
dnl Copyright (C) 2007 Red Hat, Inc.
dnl All rights reserved.
dnl END COPYRIGHT BLOCK

AC_CHECKING(for NSS)

# check for --with-nss
AC_MSG_CHECKING(for --with-nss)
AC_ARG_WITH(nss, [  --with-nss=PATH         Network Security Services (NSS) directory],
[
  if test -e "$withval"/include/nss.h -a -d "$withval"/lib
  then
    AC_MSG_RESULT([using $withval])
    NSSDIR=$withval
    nss_inc="-I$NSSDIR/include"
    nss_lib="-L$NSSDIR/lib"
    nss_libdir="$NSSDIR/lib"
  else
    echo
    AC_MSG_ERROR([$withval not found])
  fi
],
AC_MSG_RESULT(no))

# check for --with-nss-inc
AC_MSG_CHECKING(for --with-nss-inc)
AC_ARG_WITH(nss-inc, [  --with-nss-inc=PATH         Network Security Services (NSS) include directory],
[
  if test -e "$withval"/nss.h
  then
    AC_MSG_RESULT([using $withval])
    nss_inc="-I$withval"
  else
    echo
    AC_MSG_ERROR([$withval not found])
  fi
],
AC_MSG_RESULT(no))

# check for --with-nss-lib
AC_MSG_CHECKING(for --with-nss-lib)
AC_ARG_WITH(nss-lib, [  --with-nss-lib=PATH         Network Security Services (NSS) library directory],
[
  if test -d "$withval"
  then
    AC_MSG_RESULT([using $withval])
    nss_lib="-L$withval"
    nss_libdir="$withval"
  else
    echo
    AC_MSG_ERROR([$withval not found])
  fi
],
AC_MSG_RESULT(no))

# if NSS is not found yet, try pkg-config

# last resort
if test -z "$nss_inc" -o -z "$nss_lib" -o -z "$nss_libdir"; then
  AC_PATH_PROG(PKG_CONFIG, pkg-config)
  AC_MSG_CHECKING(for nss with pkg-config)
  if test -n "$PKG_CONFIG"; then
    if $PKG_CONFIG --exists nss; then
      nss_inc=`$PKG_CONFIG --cflags-only-I nss`
      nss_lib=`$PKG_CONFIG --libs-only-L nss`
      nss_libdir=`$PKG_CONFIG --libs-only-L nss | sed -e s/-L// | sed -e s/\ *$//`
      AC_MSG_RESULT([using system NSS])
    elif $PKG_CONFIG --exists dirsec-nss; then
      nss_inc=`$PKG_CONFIG --cflags-only-I dirsec-nss`
      nss_lib=`$PKG_CONFIG --libs-only-L dirsec-nss`
      nss_libdir=`$PKG_CONFIG --libs-only-L dirsec-nss | sed -e s/-L// | sed -e s/\ *$//`
      AC_MSG_RESULT([using system dirsec NSS])
    else
      AC_MSG_ERROR([NSS not found, specify with --with-nss.])
    fi
  fi
fi