acinclude.m4.in

#
# -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
# local automake definitions for ntop
## (this file is processed with 'automake' to produce Makefile.in)
# -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
#
# Copyright (c) 1998, 2000 Luca Deri <deri@ntop.org>
# Updated 1Q 2000 Rocco Carbone <rocco@ntop.org>
#
# -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
#
# 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 2 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, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#

dnl>
dnl>  Check for an ANSI C typedef in a header
dnl>
dnl>  configure.in:
dnl>    AC_CHECK_TYPEDEF(<typedef>, <header>)
dnl>  acconfig.h:
dnl>    #undef HAVE_<typedef>
dnl>

AC_DEFUN([AC_CHECK_TYPEDEF],[dnl
AC_REQUIRE([AC_HEADER_STDC])dnl
AC_MSG_CHECKING(for typedef $1)
AC_CACHE_VAL(ac_cv_typedef_$1,
[AC_EGREP_CPP(dnl
changequote(<<,>>)dnl
<<(^|[^a-zA-Z_0-9])$1[^a-zA-Z_0-9]>>dnl
changequote([,]), [
#include <$2>
], ac_cv_typedef_$1=yes, ac_cv_typedef_$1=no)])dnl
AC_MSG_RESULT($ac_cv_typedef_$1)
if test $ac_cv_typedef_$1 = yes; then
    AC_DEFINE(HAVE_[]translit($1, [a-z], [A-Z]))
fi
])


dnl>
dnl>  Check whether compiler option works
dnl>
dnl>  configure.in:
dnl>    AC_COMPILER_OPTION(<name>, <display>, <option>,
dnl>                       <action-success>, <action-failure>)
dnl>

AC_DEFUN([AC_COMPILER_OPTION],[dnl
AC_MSG_CHECKING(for compiler option $2)
AC_CACHE_VAL(ac_cv_compiler_option_$1,[
cat >conftest.$ac_ext <<EOF
int main() { return 0; }
EOF
${CC-cc} -c $CFLAGS $CPPFLAGS $3 conftest.$ac_ext 1>conftest.out 2>conftest.err
if test $? -ne 0 -o -s conftest.err; then
     ac_cv_compiler_option_$1=no
else
     ac_cv_compiler_option_$1=yes
fi
rm -f conftest.$ac_ext conftest.out conftest.err
])dnl
if test ".$ac_cv_compiler_option_$1" = .yes; then
    ifelse([$4], , :, [$4])
else
    ifelse([$5], , :, [$5])
fi
AC_MSG_RESULT([$ac_cv_compiler_option_$1])
])dnl