# Copyright (c) 2017-2024 OARC, Inc.
# Copyright (c) 2011-2017, IIS - The Internet Foundation in Sweden
# All rights reserved.
#
# This file is part of PacketQ.
#
# PacketQ 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.
#
# PacketQ 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 PacketQ.  If not, see <http://www.gnu.org/licenses/>.

AC_PREREQ(2.61)
AC_INIT([packetq], [1.7.3], [admin@dns-oarc.net], [packetq], [https://github.com/DNS-OARC/packetq/issues])
AM_INIT_AUTOMAKE([-Wall -Werror foreign subdir-objects])
AC_CONFIG_SRCDIR([src/packetq.cpp])
AC_CONFIG_HEADER([src/config.h])

# Checks for programs.
AC_PROG_CXX
AS_VAR_APPEND(CXXFLAGS, [" -std=c++11"])

# Check --enable-warn-all
AC_ARG_ENABLE([warn-all], [AS_HELP_STRING([--enable-warn-all], [Enable all compiler warnings])], [
	AX_CXXFLAGS_WARN_ALL()
	AS_VAR_APPEND(CXXFLAGS, [" -Wno-vla"])
])

# Check --with-extra-cxxflags
AC_ARG_WITH([extra-cxxflags], [AS_HELP_STRING([--with-extra-cxxflags=CXXFLAGS], [Add extra CXXFLAGS])], [
  AC_MSG_NOTICE([appending extra CXXFLAGS... $withval])
  AS_VAR_APPEND(CXXFLAGS, [" $withval"])
])

# Check --with-extra-ldflags
AC_ARG_WITH([extra-ldflags], [AS_HELP_STRING([--with-extra-ldflags=LDFLAGS], [Add extra LDFLAGS])], [
  AC_MSG_NOTICE([appending extra LDFLAGS... $withval])
  AS_VAR_APPEND(LDFLAGS, [" $withval"])
])

# Check --enable-gcov
AC_ARG_ENABLE([gcov], [AS_HELP_STRING([--enable-gcov], [Enable coverage testing])], [
  coverage_cxxflags="--coverage -g -O0 -fno-inline -fno-inline-small-functions -fno-default-inline"
  AC_MSG_NOTICE([enabling coverage testing... $coverage_cxxflags])
  AS_VAR_APPEND(CXXFLAGS, [" $coverage_cxxflags"])
])
AM_CONDITIONAL([ENABLE_GCOV], [test "x$enable_gcov" != "xno"])
AM_EXTRA_RECURSIVE_TARGETS([gcov])

# Checks for libraries.
AC_CHECK_LIB([z], [deflate])
AC_CHECK_LIB([socket], socket)
AC_CHECK_LIB([nsl], inet_ntop)
PKG_CHECK_MODULES([libmaxminddb], [libmaxminddb], [AC_DEFINE([HAVE_LIBMAXMINDDB], [1], [Define to 1 if you have libmaxminddb.])], [:])

# Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS([arpa/inet.h limits.h netinet/in.h stdlib.h string.h strings.h sys/socket.h sys/time.h])
AC_CHECK_HEADER(net/ethernet.h, AC_DEFINE(HAVE_NET_ETHERNET_H,1,[has net/ethernet.h header]))
AC_CHECK_HEADER(net/ethertypes.h, AC_DEFINE(HAVE_NET_ETHERTYPES_H,1,[has net/ethertypes.h header]))

# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_TYPE_SIZE_T
AC_HEADER_TIME

# Checks for library functions.
AC_FUNC_REALLOC
AC_FUNC_STRFTIME
AC_CHECK_FUNCS([bzero regcomp strtoul])
AC_CHECK_FUNCS([dup2])
AC_CHECK_FUNCS([mkdir])
AC_CHECK_FUNCS([strdup])
AC_CHECK_FUNCS([strerror])
AC_CHECK_HEADERS([fcntl.h])
AC_CHECK_HEADERS([syslog.h])

# Language used for further checks.
AC_LANG([C])

AC_CONFIG_FILES([
  Makefile
  src/Makefile
  src/test/Makefile
])
AC_OUTPUT