# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
#
# Copyright (c) 2011, 2012, 2013, 2014, 2015 Olaf Bergmann (TZI) and others.
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Eclipse Public License v1.0
# and Eclipse Distribution License v. 1.0 which accompanies this distribution.
#
# The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
# and the Eclipse Distribution License is available at
# http://www.eclipse.org/org/documents/edl-v10.php.
#
# Contributors:
# Olaf Bergmann - initial API and implementation
# Hauke Mehrtens - memory optimization, ECC integration
AC_PREREQ([2.65])
AC_INIT([tinydtls], [0.8.6])
AC_CONFIG_SRCDIR([dtls.c])
dnl AC_CONFIG_HEADERS([config.h])
AC_PATH_PROG(DOXYGEN, doxygen, [:])
AC_PATH_PROG(ETAGS, etags, [/bin/false])
# Checks for programs.
AC_PROG_MAKE_SET
AC_PROG_CC
AC_PROG_RANLIB
m4_ifdef([AM_PROG_AR], [AM_PROG_AR], [AR=ar])
AC_C_BIGENDIAN
# Adding some default warning options for code QS
# see https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html
# and http://www.gnu.org/software/automake/manual/html_node/Flag-Variables-Ordering.html
WARNING_CFLAGS="\
-pedantic \
-Wall \
-Wextra \
-Wformat-security \
-Winline \
-Wmissing-declarations \
-Wmissing-prototypes \
-Wnested-externs \
-Wpointer-arith \
-Wshadow \
-Wstrict-prototypes \
-Wswitch-default \
-Wswitch-enum \
-Wunused \
"
AC_SUBST([WARNING_CFLAGS])
# Checks for libraries.
AC_SEARCH_LIBS([gethostbyname], [nsl])
AC_SEARCH_LIBS([socket], [socket])
AC_ARG_WITH(debug,
[AS_HELP_STRING([--without-debug],[disable all debug output and assertions])],
[CPPFLAGS="${CPPFLAGS} -DNDEBUG"
NDEBUG=1],
[])
AC_ARG_WITH(ecc,
[AS_HELP_STRING([--without-ecc],[disable support for TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8])],
[],
[AC_DEFINE(DTLS_ECC, 1, [Define to 1 if building with ECC support.])
OPT_OBJS="${OPT_OBJS} ecc/ecc.o"
DTLS_ECC=1])
AC_ARG_WITH(psk,
[AS_HELP_STRING([--without-psk],[disable support for TLS_PSK_WITH_AES_128_CCM_8])],
[],
[AC_DEFINE(DTLS_PSK, 1, [Define to 1 if building with PSK support])
DTLS_PSK=1])
CPPFLAGS="${CPPFLAGS} -DDTLSv12 -DWITH_SHA256"
OPT_OBJS="${OPT_OBJS} sha2/sha2.o"
AC_SUBST(OPT_OBJS)
AC_SUBST(NDEBUG)
AC_SUBST(DTLS_ECC)
AC_SUBST(DTLS_PSK)
AC_SUBST(AR)
# Checks for header files.
AC_CHECK_HEADERS([assert.h arpa/inet.h fcntl.h inttypes.h netdb.h netinet/in.h stddef.h stdint.h stdlib.h string.h strings.h sys/param.h sys/socket.h unistd.h])
AC_CHECK_HEADERS([sys/time.h time.h])
AC_CHECK_HEADERS([sys/types.h sys/stat.h])
# Checks for typedefs, structures, and compiler characteristics.
AC_C_INLINE
AC_TYPE_SIZE_T
AC_CHECK_MEMBER([struct sockaddr_in6.sin6_len],
[AC_DEFINE(HAVE_SOCKADDR_IN6_SIN6_LEN, [1],
[Define to 1 if struct sockaddr_in6 has a member sin6_len.])], [],
[#include <netinet/in.h>])
# Checks for library functions.
AC_CHECK_FUNCS([memset select socket strdup strerror strnlen fls vprintf])
AC_CONFIG_HEADERS([dtls_config.h])
AC_CONFIG_FILES([Makefile
doc/Makefile
doc/Doxyfile
tests/Makefile
platform-specific/Makefile
sha2/Makefile
aes/Makefile
ecc/Makefile])
AC_OUTPUT
