# Copyright (c) 2014 Yubico AB
# All rights reserved.
# 
# This program 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.
#
# This program 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/>.
#
# Additional permission under GNU GPL version 3 section 7
#
# If you modify this program, or any covered work, by linking or
# combining it with the OpenSSL project's OpenSSL library (or a
# modified version of that library), containing parts covered by the
# terms of the OpenSSL or SSLeay licenses, We grant you additional 
# permission to convey the resulting work. Corresponding Source for a
# non-source form of such a combination shall include the source code
# for the parts of OpenSSL used as well as that of the covered work.

AC_INIT([yubico-piv-tool], [0.0.1])
AC_CONFIG_AUX_DIR([build-aux])
AC_CONFIG_MACRO_DIR([m4])

AM_INIT_AUTOMAKE([-Wall -Werror foreign])
AM_SILENT_RULES([yes])
AC_PROG_CC

AC_LIBTOOL_WIN32_DLL
AC_PROG_LIBTOOL
AM_MISSING_PROG(HELP2MAN, help2man, $missing_dir)
PKG_PROG_PKG_CONFIG

PKG_CHECK_MODULES(PCSC, libpcsclite)

AC_ARG_ENABLE([gcc-warnings],
  [AS_HELP_STRING([--enable-gcc-warnings],
      [turn on lots of GCC warnings (for developers)])],
  [case $enableval in
     yes|no) ;;
     *)      AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
   esac
   gl_gcc_warnings=$enableval],
  [gl_gcc_warnings=no]
)

if test "$gl_gcc_warnings" = yes; then
  nw="$nw -Wsystem-headers"         # Don't let system headers trigger warnings
  nw="$nw -Wpadded"                 # Struct's arenot padded
  nw="$nw -Wc++-compat"             # We don't care strongly about C++ compilers
  nw="$nw -Wtraditional"            # Warns on #elif which we use often
  nw="$nw -Wtraditional-conversion" # Too many warnings for now
  nw="$nw -Wconversion"             # Too many warnings for now
  nw="$nw -Wsuggest-attribute=pure" # Is it worth using attributes?

  gl_MANYWARN_ALL_GCC([ws])
  gl_MANYWARN_COMPLEMENT(ws, [$ws], [$nw])
  for w in $ws; do
    gl_WARN_ADD([$w])
  done

  gl_WARN_ADD([-fdiagnostics-show-option])
fi

AC_CONFIG_FILES([
  Makefile
])
AC_OUTPUT

AC_MSG_NOTICE([summary of build options:

  version:          ${VERSION}
  Host type:        ${host}
  Install prefix:   ${prefix}
  Compiler:         ${CC}
])