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configure.in
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# $Id$
AC_INIT
AC_CONFIG_SRCDIR([src/snort.c])
AC_PREREQ(2.50)
AM_CONFIG_HEADER(config.h)
# When changing the snort version, please also update the VERSION
# definition in "src/win32/WIN32-Includes/config.h"
AM_INIT_AUTOMAKE(snort,2.9.7.3)
NO_OPTIMIZE="no"
# Disable annoying practice of recursively re-running the autotools
AM_MAINTAINER_MODE
AC_PROG_CC_STDC
AC_PROG_CC
AC_PROG_LIBTOOL
AC_PROG_RANLIB
AC_C_BIGENDIAN
AC_C_INLINE
#AC_CANONICAL_HOST
linux="no"
sunos4="no"
macos="no"
so_with_static_lib="yes"
case "$host" in
*-openbsd2.6|*-openbsd2.5|*-openbsd2.4|*-openbsd2.3*)
AC_DEFINE([OPENBSD],[1],[Define if OpenBSD])
AC_DEFINE([BROKEN_SIOCGIFMTU],[1],[Define if BROKEN_SIOCGIFMTU])
so_with_static_lib="no"
;;
*-openbsd*)
AC_DEFINE([OPENBSD],[1],[Define if OpenBSD < 2.3])
so_with_static_lib="no"
;;
*-sgi-irix5*)
AC_DEFINE([IRIX],[1],[Define if Irix 5])
no_libsocket="yes"
no_libnsl="yes"
if test -z "$GCC"; then
sgi_cc="yes"
fi
LDFLAGS="${LDFLAGS} -L/usr/local/lib"
extra_incl="-I/usr/local/include"
;;
*-sgi-irix6*)
AC_DEFINE([IRIX],[1],[Define if Irix 6])
no_libsocket="yes"
no_libnsl="yes"
if test -z "$GCC"; then
sgi_cc="yes"
fi
LDFLAGS="${LDFLAGS} -L/usr/local/lib"
extra_incl="-I/usr/local/include"
;;
*-solaris*)
AC_DEFINE([SOLARIS],[1],[Define if Solaris])
CONFIGFLAGS="${CONFIGFLAGS} -DBSD_COMP -D_REENTRANT"
rt_nanosleep="yes"
;;
*-sunos*)
AC_DEFINE([SUNOS],[1],[Define if SunOS])
sunos4="yes"
;;
*-linux*)
linux="yes"
AC_DEFINE([LINUX],[1],[Define if Linux])
AC_SUBST(extra_incl)
extra_incl="-I/usr/include/pcap"
;;
*-hpux10*|*-hpux11*)
AC_DEFINE([HPUX],[1],[Define if HP-UX 10 or 11])
AC_DEFINE([WORDS_BIGENDIAN],[1],[Define if words are big endian])
AC_SUBST(extra_incl)
extra_incl="-I/usr/local/include"
;;
*-freebsd*)
AC_DEFINE([FREEBSD],[1],[Define if FreeBSD])
;;
*-bsdi*)
AC_DEFINE([BSDI],[1],[Define if BSDi])
;;
*-aix*)
AC_DEFINE([AIX],[1],[Define if AIX])
;;
*-osf4*)
AC_DEFINE([OSF1],[1],[Define if OSF-4])
CONFIGFLAGS="${CONFIGFLAGS} -DOSF1"
;;
*-osf5.1*)
AC_DEFINE([OSF1],[1],[Define if OSF-5.1])
CONFIGFLAGS="${CONFIGFLAGS} -DOSF1"
;;
*-tru64*)
AC_DEFINE([OSF1],[1],[Define if Tru64])
CONFIGFLAGS="${CONFIGFLAGS} -DOSF1"
;;
# it is actually <platform>-apple-darwin1.2 or <platform>-apple-rhapsody5.x but lets stick with this for the moment
*-apple*)
macos="yes"
AC_DEFINE([MACOS],[1],[Define if MacOS])
AC_DEFINE([BROKEN_SIOCGIFMTU],[1],[Define if broken SIOCGIFMTU])
esac
AC_HEADER_STDBOOL
# ICC stuff
ICC=no
if eval "echo $CC | grep icc > /dev/null" ; then
if eval "$CC -help | grep libcxa > /dev/null" ; then
CFLAGS="$CFLAGS -static-libcxa"
LDFLAGS="$LDFLAGS -static-libcxa"
XCCFLAGS="-XCClinker -static-libcxa"
else
CFLAGS="$CFLAGS -static-intel"
LDFLAGS="$LDFLAGS -static-intel"
XCCFLAGS="-XCClinker -static-intel"
fi
#CFLAGS=`echo $CFLAGS | sed 's/-O2/-O3/'`
CFLAGS="$CFLAGS -O3 -ip -w1"
ICC=yes
fi
AC_SUBST(XCCFLAGS)
# This is really meant for Solaris Sparc v9 where it has 32bit and 64bit
# capability but builds 32bit by default
AC_ARG_ENABLE(64bit-gcc,
[ --enable-64bit-gcc Try to compile 64bit (only tested on Sparc Solaris 9 and 10).],
enable_64bit_gcc="$enableval", enable_64bit_gcc="no")
if test "x$enable_64bit_gcc" = "xyes"; then
CFLAGS="$CFLAGS -m64"
fi
# AC_PROG_YACC defaults to "yacc" when not found
# this check defaults to "none"
AC_CHECK_PROGS(YACC,bison yacc,none)
# AC_PROG_YACC includes the -y arg if bison is found
if test "x$YACC" = "xbison"; then
YACC="$YACC -y"
fi
# AC_PROG_LEX defaults to ":" when not found
# this check defaults to "none"
# We're using flex specific options so we don't support lex
AC_CHECK_PROGS(LEX,flex,none)
#
dnl checking headers
AC_CHECK_HEADERS([ \
inttypes.h \
math.h \
paths.h \
stdlib.h \
string.h \
strings.h \
unistd.h \
wchar.h \
sys/sockio.h \
])
if test "x$ac_cv_header_wchar_h" = "xyes"; then
CONFIGFLAGS="${CONFIGFLAGS} -DSF_WCHAR"
fi
AC_CHECK_LIB([m],[floor])
AC_CHECK_LIB([m],[ceil])
AC_CHECK_HEADERS(uuid/uuid.h, [AC_CHECK_LIB(uuid,uuid_parse)])
if test "x$rt_nanosleep" = "xyes"; then
AC_CHECK_LIB([rt],[nanosleep])
fi
dnl make sure we've got all our libraries
if test -z "$no_libnsl"; then
AC_CHECK_LIB(nsl, inet_ntoa)
fi
if test -z "$no_libsocket"; then
AC_CHECK_LIB(socket, socket)
fi
# SunOS4 has several things `broken'
if test "$sunos4" != "no"; then
AC_CHECK_FUNCS(vsnprintf,, LIBS="$LIBS -ldb")
AC_CHECK_FUNCS(strtoul,, LIBS="$LIBS -l44bsd")
fi
# some funky macro to be backwards compatible with earlier autoconfs
# in current they have AC_CHECK_DECLS
AC_DEFUN([SN_CHECK_DECL],[
AC_MSG_CHECKING([whether $1 must be declared])
AC_CACHE_VAL(sn_cv_decl_needed_$1,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <stdio.h>
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <sys/types.h>
#include <sys/socket.h>
#include <syslog.h>
]], [[char *(*pfn); pfn = (char *(*)) $1;]])],[eval "sn_cv_decl_needed_$1=no"],[eval "sn_cv_decl_needed_$1=yes"]) ])
if eval "test \"`echo '$sn_cv_decl_needed_'$1`\" != no"; then
AC_MSG_RESULT(yes)
ifelse([$2], , :, [$2])
else
AC_MSG_RESULT(no)
ifelse([$3], , ,[$3])
fi
])dnl
AC_DEFUN([SN_CHECK_DECLS],
[for sn_decl in $1
do
sn_def_decl=`echo $sn_decl | tr [a-z] [A-Z]`
SN_CHECK_DECL($sn_decl,
[
AC_DEFINE_UNQUOTED(NEED_DECL_$sn_def_decl, 1,
[you have this cuz autoheader is dumb])
$2], $3)dnl
done
])
# some stuff for declarations which were missed on sunos4 platform too.
#
# add `#undef NEED_DECL_FUNCTIONAME to acconfig.h` because autoheader
# fails to work properly with custom macroses.
# you will see also #undef for each SN_CHECK_DECLS macros invocation
# because autoheader doesn't execute shell script commands.
# it is possible to make loops using m4 but the code would look even
# more confusing..
SN_CHECK_DECLS(printf fprintf syslog puts fputs fputc fopen \
fclose fwrite fflush getopt bzero bcopy memset strtol \
strcasecmp strncasecmp strerror perror socket sendto \
vsnprintf snprintf strtoul)
AC_CHECK_FUNCS([sigaction strlcpy strlcat strerror vswprintf wprintf memrchr inet_ntop])
AC_CHECK_FUNC([snprintf],[have_snprintf="yes"],[have_snprintf="no"])
AM_CONDITIONAL(BUILD_SNPRINTF, test "x$have_snprintf" != "xyes")
if test "x$have_snprintf" = "xyes"; then
AC_DEFINE([HAVE_SNPRINTF], [], [snprintf function is available])
fi
AC_CHECK_FUNCS([malloc_trim mallinfo])
AC_CHECK_SIZEOF([char])
AC_CHECK_SIZEOF([short])
AC_CHECK_SIZEOF([int])
AC_CHECK_SIZEOF([long int])
AC_CHECK_SIZEOF([long long int])
AC_CHECK_SIZEOF([unsigned int])
AC_CHECK_SIZEOF([unsigned long int])
AC_CHECK_SIZEOF([unsigned long long int])
# Check for int types
AC_CHECK_TYPES([u_int8_t,u_int16_t,u_int32_t,u_int64_t,uint8_t,uint16_t,uint32_t,uint64_t])
AC_CHECK_TYPES([int8_t,int16_t,int32_t,int64_t])
AC_CHECK_TYPES([boolean])
# In case INADDR_NONE is not defined (like on Solaris)
have_inaddr_none="no"
AC_MSG_CHECKING([for INADDR_NONE])
AC_RUN_IFELSE(
[AC_LANG_PROGRAM(
[[
#include <sys/types.h>
#include <netinet/in.h>
#include <arpa/inet.h>
]],
[[
if (inet_addr("10,5,2") == INADDR_NONE);
return 0;
]])],
[have_inaddr_none="yes"],
[have_inaddr_none="no"])
AC_MSG_RESULT($have_inaddr_none)
if test "x$have_inaddr_none" = "xno"; then
AC_DEFINE([INADDR_NONE],[-1],[For INADDR_NONE definition])
fi
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <stdio.h>
]], [[const char *foo; foo = sys_errlist[0];]])],[AC_DEFINE(ERRLIST_PREDEFINED,1,Define if errlist is predefined)],[])
AC_MSG_CHECKING(for __FUNCTION__)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <stdio.h>
]], [[printf ("%s", __FUNCTION__);]])],[sn_cv_have___FUNCTION__=yes],[sn_cv__have___FUNCTION__=no])
if test "x$sn_cv_have___FUNCTION__" = "xyes"; then
AC_MSG_RESULT(yes)
AC_DEFINE([HAVE___FUNCTION__],[1],[Define if the compiler understands __FUNCTION__.])
else
AC_MSG_RESULT(no)
AC_MSG_CHECKING(for __func__)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <stdio.h>
]], [[printf ("%s", __func__);]])],[sn_cv_have___func__=yes],[sn_cv__have___func__=no])
if test "x$sn_cv_have___func__" = "xyes"; then
AC_MSG_RESULT(yes)
AC_DEFINE([HAVE___func__],[1],[Define if the compiler understands __func__.])
AC_DEFINE([__FUNCTION__],[__func__],[Define __FUNCTION__ as required.])
else
AC_MSG_RESULT(no)
AC_DEFINE([__FUNCTION__],["mystery function"])
fi
fi
AC_ARG_WITH(libpcap_includes,
[ --with-libpcap-includes=DIR libpcap include directory],
[with_libpcap_includes="$withval"],[with_libpcap_includes="no"])
AC_ARG_WITH(libpcap_libraries,
[ --with-libpcap-libraries=DIR libpcap library directory],
[with_libpcap_libraries="$withval"],[with_libpcap_libraries="no"])
if test "x$with_libpcap_includes" != "xno"; then
CPPFLAGS="${CPPFLAGS} -I${with_libpcap_includes}"
fi
if test "x$with_libpcap_libraries" != "xno"; then
LDFLAGS="${LDFLAGS} -L${with_libpcap_libraries}"
fi
# --with-libpfring-* options
AC_ARG_WITH(libpfring_includes,
[ --with-libpfring-includes=DIR libpfring include directory],
[with_libpfring_includes="$withval"],[with_libpfring_includes="no"])
AC_ARG_WITH(libpfring_libraries,
[ --with-libpfring-libraries=DIR libpfring library directory],
[with_libpfring_libraries="$withval"],[with_libpfring_libraries="no"])
if test "x$with_libpfring_includes" != "xno"; then
CPPFLAGS="${CPPFLAGS} -I${with_libpfring_includes}"
fi
if test "x$with_libpfring_libraries" != "xno"; then
LDFLAGS="${LDFLAGS} -L${with_libpfring_libraries}"
fi
AC_ARG_WITH(daq_includes,
[ --with-daq-includes=DIR DAQ include directory],
[with_daq_includes="$withval"],[with_daq_includes="no"])
AC_ARG_WITH(daq_libraries,
[ --with-daq-libraries=DIR DAQ library directory],
[with_daq_libraries="$withval"],[with_daq_libraries="no"])
if test "x$with_daq_includes" != "xno"; then
CPPFLAGS="${CPPFLAGS} -I${with_daq_includes}"
ICONFIGFLAGS="${ICONFIGFLAGS} -I${with_daq_includes}"
fi
if test "x$with_daq_libraries" != "xno"; then
LDFLAGS="${LDFLAGS} -L${with_daq_libraries}"
fi
if test "x$enable_control_socket" = "xyes"; then
LSFBPF=""
AC_CHECK_LIB([sfbpf], [sfbpf_compile],
[LIBS="${LIBS} -lsfbpf"], [LSFBPF="no"], [ ])
if test "x$LSFBPF" = "xno"; then
echo
echo " ERROR! sfbpf library not found, go get it from"
echo " http://www.snort.org/."
#AC_MSG_ERROR("Fatal!")
exit 1
fi
fi
LPCAP=""
AC_CHECK_LIB(pcap, pcap_datalink,, LPCAP="no")
# If the normal AC_CHECK_LIB for pcap fails then check to see if we are
# using a pfring-enabled pcap.
if test "x$LPCAP" = "xno"; then
PFRING_H=""
AC_CHECK_HEADERS(pfring.h,, PFRING_H="no")
# It is important to have the AC_CHECK_LIB for the pfring library BEFORE
# the one for pfring-enabled pcap. When the Makefile is created, all the
# libraries used during linking are added to the LIBS variable in the
# Makefile in the opposite order that their AC_CHECK_LIB macros appear
# in configure.in. Durring linking, the pfring library (-lpfring) MUST come
# _after_ the libpcap library (-lpcap) or linking will fail.
PFRING_L=""
AC_CHECK_LIB(pfring, pfring_open,, PFRING_L="no")
LPFRING_PCAP=""
AC_CHECK_LIB(pcap, pfring_open,, LPFRING_PCAP="no",-lpfring)
fi
# If both the AC_CHECK_LIB for normal pcap and pfring-enabled pcap fail then exit.
if test "x$LPCAP" = "xno"; then
if test "x$LPFRING_PCAP" = "xno"; then
echo
echo " ERROR! Libpcap library/headers (libpcap.a (or .so)/pcap.h)"
echo " not found, go get it from http://www.tcpdump.org"
echo " or use the --with-libpcap-* options, if you have it installed"
echo " in unusual place. Also check if your libpcap depends on another"
echo " shared library that may be installed in an unusual place"
exit 1
fi
fi
AC_MSG_CHECKING([for pcap_lex_destroy])
AC_RUN_IFELSE(
[AC_LANG_PROGRAM(
[[
#include <pcap.h>
]],
[[
pcap_lex_destroy();
]])],
[have_pcap_lex_destroy="yes"],
[have_pcap_lex_destroy="no"])
AC_MSG_RESULT($have_pcap_lex_destroy)
if test "x$have_pcap_lex_destroy" = "xyes"; then
AC_DEFINE([HAVE_PCAP_LEX_DESTROY],[1],[Can cleanup lex buffer stack created by pcap bpf filter])
fi
AC_MSG_CHECKING([for pcap_lib_version])
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[#include <pcap.h>]],
[[pcap_lib_version();]]
)],
[have_pcap_lib_version="yes"],
[have_pcap_lib_version="no"]
)
AC_MSG_RESULT($have_pcap_lib_version)
if test "x$have_pcap_lib_version" = "xyes"; then
AC_DEFINE([HAVE_PCAP_LIB_VERSION],[1],
[Can output the library version.])
fi
AC_DEFUN([FAIL_MESSAGE],[
echo
echo
echo "**********************************************"
echo " ERROR: unable to find" $1
echo " checked in the following places"
for i in `echo $2`; do
echo " $i"
done
echo "**********************************************"
echo
exit 1
])
AC_ARG_WITH(libpcre_includes,
[ --with-libpcre-includes=DIR libpcre include directory],
[with_libpcre_includes="$withval"],[with_libpcre_includes="no"])
AC_ARG_WITH(libpcre_libraries,
[ --with-libpcre-libraries=DIR libpcre library directory],
[with_libpcre_libraries="$withval"],[with_libpcre_libraries="no"])
if test "x$with_libpcre_includes" != "xno"; then
CPPFLAGS="${CPPFLAGS} -I${with_libpcre_includes}"
ICONFIGFLAGS="${ICONFIGFLAGS} -I${with_libpcre_includes}"
else
CPPFLAGS="${CPPFLAGS} `pcre-config --cflags`"
fi
if test "x$with_libpcre_libraries" != "xno"; then
LDFLAGS="${LDFLAGS} -L${with_libpcre_libraries}"
else
LDFLAGS="${LDFLAGS} `pcre-config --libs`"
fi
# PCRE configuration (required)
# Verify that we have the headers
PCRE_H=""
AC_CHECK_HEADERS(pcre.h,, PCRE_H="no")
if test "x$PCRE_H" = "xno"; then
echo
echo " ERROR! Libpcre header not found."
echo " Get it from http://www.pcre.org"
exit 1
fi
# Verify that we have the library
PCRE_L=""
pcre_version_six=""
AC_CHECK_LIB(pcre, pcre_compile, ,PCRE_L="no")
if test "x$PCRE_L" = "xno"; then
echo
echo " ERROR! Libpcre library not found."
echo " Get it from http://www.pcre.org"
echo
exit 1
else
AC_MSG_CHECKING(for libpcre version 6.0 or greater)
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <pcre.h>]], [[
#if (PCRE_MAJOR < 6)
#error "Version failure"
#else
int a, b = 0, c = 0, d = 0;
pcre *tmp = NULL;
a = pcre_copy_named_substring(tmp, "", &b, c, "", "", d);
#endif
]])],[pcre_version_six="yes"],[pcre_version_six="no"])
fi
if test "x$pcre_version_six" != "xyes"; then
AC_MSG_RESULT(no)
echo
echo " ERROR! Libpcre library version >= 6.0 not found."
echo " Get it from http://www.pcre.org"
echo
exit 1
else
AC_MSG_RESULT(yes)
fi
# OPENSSL SHA configuration (optional)
AC_ARG_WITH(openssl_includes,
[ --with-openssl-includes=DIR openssl include directory],
[with_openssl_includes="$withval"],[with_openssl_includes="no"])
AC_ARG_WITH(openssl_libraries,
[ --with-openssl-libraries=DIR openssl library directory],
[with_openssl_libraries="$withval"],[with_openssl_libraries="no"])
if test "x$with_openssl_includes" != "xno"; then
CPPFLAGS="${CPPFLAGS} -I${with_openssl_includes}"
ICONFIGFLAGS="${ICONFIGFLAGS} -I${with_openssl_includes}"
fi
if test "x$with_openssl_libraries" != "xno"; then
LDFLAGS="${LDFLAGS} -L${with_openssl_libraries}"
fi
# Verify that we have the headers
AC_CHECK_LIB([crypto],[SHA256_Init],AC_DEFINE([HAVE_OPENSSL_SHA],[1],openssl SHA available),)
AC_CHECK_LIB([crypto],[MD5_Init],AC_DEFINE([HAVE_OPENSSL_MD5],[1],openssl MD5 available),)
AM_CONDITIONAL([BUILD_OPENSSL_MD5], test "$ac_cv_lib_crypto_MD5_Init" != "yes" )
AM_CONDITIONAL([BUILD_OPENSSL_SHA], test "$ac_cv_lib_crypto_SHA256_Init" != "yes" )
if test "$ac_cv_lib_crypto_MD5_Init" = "yes"; then
LIBS="${LIBS} -lcrypto"
fi
AC_ARG_VAR(SIGNAL_SNORT_RELOAD, set the SIGNAL_SNORT_RELOAD value)
if test "x$SIGNAL_SNORT_RELOAD" != "x" ; then
AC_DEFINE_UNQUOTED([SIGNAL_SNORT_RELOAD], [$SIGNAL_SNORT_RELOAD], [Set by user])
fi
AC_ARG_VAR(SIGNAL_SNORT_DUMP_STATS, set the SIGNAL_SNORT_DUMP_STATS value)
if test "x$SIGNAL_SNORT_DUMP_STATS" != "x" ; then
AC_DEFINE_UNQUOTED([SIGNAL_SNORT_DUMP_STATS], [$SIGNAL_SNORT_DUMP_STATS], [Set by user])
fi
AC_ARG_VAR(SIGNAL_SNORT_ROTATE_STATS, set the SIGNAL_SNORT_ROTATE_STATS value)
if test "x$SIGNAL_SNORT_ROTATE_STATS" != "x" ; then
AC_DEFINE_UNQUOTED([SIGNAL_SNORT_ROTATE_STATS], [$SIGNAL_SNORT_ROTATE_STATS], [Set by user])
fi
AC_ARG_VAR(SIGNAL_SNORT_READ_ATTR_TBL, set the SIGNAL_SNORT_READ_ATTR_TBL value)
if test "x$SIGNAL_SNORT_READ_ATTR_TBL" != "x" ; then
AC_DEFINE_UNQUOTED([SIGNAL_SNORT_READ_ATTR_TBL], [$SIGNAL_SNORT_READ_ATTR_TBL], [Set by user])
fi
AC_ARG_ENABLE(so_with_static_lib,
[ --enable-so-with-static-lib Enable linking of dynamically loaded preprocessors with a static preprocessor library],
enable_so_with_static_lib="$enableval", enable_so_with_static_lib=$so_with_static_lib)
AM_CONDITIONAL(SO_WITH_STATIC_LIB, test "x$enable_so_with_static_lib" = "xyes")
AC_ARG_ENABLE(control_socket,
[ --enable-control-socket Enable the control socket],
enable_control_socket="$enableval", enable_control_socket="no")
if test "x$linux" != "xyes"; then
if test "x$enable_control_socket" = "xyes"; then
AC_MSG_WARN([[The control socket is only supported on Linux systems.]])
enable_control_socket="no"
fi
fi
AM_CONDITIONAL(BUILD_CONTROL_SOCKET, test "x$enable_control_socket" = "xyes")
if test "x$enable_control_socket" = "xyes"; then
CONFIGFLAGS="$CONFIGFLAGS -DCONTROL_SOCKET"
fi
AC_ARG_ENABLE(side_channel,
[ --enable-side-channel Enable the side channel (Experimental)],
enable_side_channel="$enableval", enable_side_channel="no")
if test "x$linux" != "xyes"; then
if test "x$enable_side_channel" = "xyes"; then
AC_MSG_WARN([[The side channel is only supported on Linux systems.]])
enable_side_channel="no"
fi
fi
AM_CONDITIONAL(BUILD_SIDE_CHANNEL, test "x$enable_side_channel" = "xyes")
if test "x$enable_side_channel" = "xyes"; then
CONFIGFLAGS="$CONFIGFLAGS -DSIDE_CHANNEL"
fi
# check for dnet first since some DAQs need it
AC_ARG_WITH(dnet_includes,
[ --with-dnet-includes=DIR libdnet include directory],
[with_dnet_includes="$withval"],[with_dnet_includes="no"])
AC_ARG_WITH(dnet_libraries,
[ --with-dnet-libraries=DIR libdnet library directory],
[with_dnet_libraries="$withval"],[with_dnet_libraries="no"])
if test "x$with_dnet_includes" != "xno"; then
CPPFLAGS="${CPPFLAGS} -I${with_dnet_includes}"
else
CPPFLAGS="${CPPFLAGS} `dnet-config --cflags 2>/dev/null`"
fi
if test "x$with_dnet_libraries" != "xno"; then
LDFLAGS="${LDFLAGS} -L${with_dnet_libraries}"
else
LDFLAGS="${LDFLAGS} `dnet-config --libs 2>/dev/null`"
fi
AC_CHECK_HEADERS(dnet.h,,DNET_H="no")
AC_CHECK_HEADERS(dumbnet.h,,DUMBNET_H="no")
if test "x$DNET_H" = "xno" -a "x$DUMBNET_H" = "xno"; then
echo
echo " ERROR! dnet header not found, go get it from"
echo " http://code.google.com/p/libdnet/ or use the --with-dnet-*"
echo " options, if you have it installed in an unusual place"
exit
fi
AC_CHECK_LIB(dnet, eth_set,,[DNET="no"])
AC_CHECK_LIB(dumbnet, eth_set,,[DUMBNET="no"])
if test "x$DNET" = "xno" -a "x$DUMBNET" = "xno"; then
echo
echo " ERROR! dnet library not found, go get it from"
echo " http://code.google.com/p/libdnet/ or use the --with-dnet-*"
echo " options, if you have it installed in an unusual place"
exit
fi
AC_ARG_ENABLE(static_daq,
[ --disable-static-daq Link static DAQ modules.],
enable_static_daq="$enableval", enable_static_daq="yes")
AC_CHECK_LIB(dl, dlsym, DLLIB="yes", DLLIB="no")
if test "$DLLIB" != "no"; then
LIBS="${LIBS} -ldl"
else
AC_CHECK_LIB(c, dlsym, DLLIB="yes", DLLIB="no")
if test "$DLLIB" = "no"; then
echo
echo " ERROR! programmatic interface to dynamic link loader"
echo " not found. Cannot build Snort."
echo
exit 1
fi
fi
if test "x$enable_static_daq" = "xyes"; then
LDAQ=""
LIBS="${LIBS} `daq-modules-config --static --libs`"
AC_CHECK_LIB([daq_static], [daq_load_modules],
[LIBS="-ldaq_static ${LIBS}"], [LDAQ="no"], [ ])
if test "x$LDAQ" = "xno"; then
echo
echo " ERROR! daq_static library not found, go get it from"
echo " http://www.snort.org/."
#AC_MSG_ERROR("Fatal!") # FIXTHIS switch over to this macro
exit 1 # instead of raw exits!
fi
else
LDAQ=""
AC_CHECK_LIB([daq], [daq_load_modules],
[LIBS="${LIBS} -ldaq"], [LDAQ="no"], [ ])
if test "x$LDAQ" = "xno"; then
echo
echo " ERROR! daq library not found, go get it from"
echo " http://www.snort.org/."
#AC_MSG_ERROR("Fatal!")
exit 1
fi
fi
AC_CHECK_FUNCS([daq_hup_apply] [daq_acquire_with_meta] [daq_dp_add_dc])
if test "x$ac_cv_func_daq_dp_add_dc" = "xyes"; then
AC_CHECK_MEMBER([struct _DAQ_DP_key_t.sa.src_ip4],[],[DAQ_C99_STRUCT="no"],[#include <daq_common.h>])
if test "x$DAQ_C99_STRUCT" = "xno" ; then
echo
echo " ERROR! daq library missing C99 patch, upgrade to >=2.0.4, go get it from"
echo " http://www.snort.org/."
exit 1
fi
fi
AC_MSG_CHECKING([for daq address space ID])
AC_RUN_IFELSE(
[AC_LANG_PROGRAM(
[[
#include <daq.h>
]],
[[
DAQ_PktHdr_t hdr;
hdr.address_space_id = 0;
]])],
[have_daq_address_space_id="yes"],
[have_daq_address_space_id="no"])
AC_MSG_RESULT($have_daq_address_space_id)
if test "x$have_daq_address_space_id" = "xyes"; then
AC_DEFINE([HAVE_DAQ_ADDRESS_SPACE_ID],[1],
[DAQ version supports address space ID in header.])
fi
AC_MSG_CHECKING([for daq flow ID])
AC_RUN_IFELSE(
[AC_LANG_PROGRAM(
[[
#include <daq.h>
]],
[[
DAQ_PktHdr_t hdr;
hdr.flow_id = 0;
]])],
[have_daq_flow_id="yes"],
[have_daq_flow_id="no"])
AC_MSG_RESULT($have_daq_flow_id)
if test "x$have_daq_flow_id" = "xyes"; then
AC_DEFINE([HAVE_DAQ_FLOW_ID],[1],
[DAQ version supports flow ID in header.])
fi
AC_MSG_CHECKING([for DAQ_VERDICT_RETRY])
AC_RUN_IFELSE(
[AC_LANG_PROGRAM(
[[
#include <daq.h>
]],
[[
DAQ_Verdict verdict;
verdict = DAQ_VERDICT_RETRY;
]])],
[have_daq_verdict_retry="yes"],
[have_daq_verdict_retry="no"])
AC_MSG_RESULT($have_daq_verdict_retry)
if test "x$have_daq_verdict_retry" = "xyes"; then
AC_DEFINE([HAVE_DAQ_VERDICT_RETRY],[1],
[DAQ version supports DAQ_VERDICT_RETRY in DAQ_Verdict.])
fi
# any sparc platform has to have this one defined.
AC_MSG_CHECKING(for sparc)
if eval "echo $host_cpu|grep -i sparc >/dev/null"; then
AC_DEFINE([WORDS_MUSTALIGN],[1],[Define if words must align])
AC_MSG_RESULT(yes)
# gcc, sparc and optimization not so good
if test -n "$GCC"; then
NO_OPTIMIZE="yes"
fi
else
AC_MSG_RESULT(no)
fi
# check for sparc %time register
if eval "echo $host_cpu|grep -i sparc >/dev/null"; then
OLD_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -mcpu=v9 "
AC_MSG_CHECKING([for sparc %time register])
AC_RUN_IFELSE(
[AC_LANG_PROGRAM(
[[]],
[[
int val;
__asm__ __volatile__("rd %%tick, %0" : "=r"(val));
]])],
[sparcv9="yes"],
[sparcv9="no"])
AC_MSG_RESULT($sparcv9)
if test "x$sparcv9" = "xyes"; then
AC_DEFINE([SPARCV9],[1],[For sparc v9 with %time register])
else
CFLAGS="$OLD_CFLAGS"
fi
fi
# modified from gnulib/m4/visibility.m4
AC_DEFUN([CC_VISIBILITY],
[
AC_REQUIRE([AC_PROG_CC])
AC_MSG_CHECKING([for visibility support])
AC_CACHE_VAL(gl_cv_cc_visibility, [
gl_save_CFLAGS="$CFLAGS"
# Add -Werror flag since some compilers, e.g. icc 7.1, don't support it,
# but only warn about it instead of compilation failing
CFLAGS="$CFLAGS -Werror -fvisibility=hidden"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
extern __attribute__((__visibility__("hidden"))) int hiddenvar;
extern __attribute__((__visibility__("default"))) int exportedvar;
extern __attribute__((__visibility__("hidden"))) int hiddenfunc (void);
extern __attribute__((__visibility__("default"))) int exportedfunc (void);]],
[[]])],
[gl_cv_cc_visibility="yes"],
[gl_cv_cc_visibility="no"])
])
AC_MSG_RESULT([$gl_cv_cc_visibility])
CFLAGS="$gl_save_CFLAGS"
if test "x$gl_cv_cc_visibility" = "xyes"; then
CCONFIGFLAGS="${CCONFIGFLAGS} -DSF_VISIBILITY -fvisibility=hidden"
AC_DEFINE([HAVE_VISIBILITY],[1],
[Define if the compiler supports visibility declarations.])
fi
])
CC_VISIBILITY()
AC_ARG_ENABLE(build-dynamic-examples,
[ --enable-build-dynamic-examples Enable building of example dynamically loaded preprocessor and rule (off by default)],
build_dynamic_examples="$enableval", build_dynamic_examples="no")
AM_CONDITIONAL(BUILD_DYNAMIC_EXAMPLES, test "x$build_dynamic_examples" = "xyes")
AC_ARG_ENABLE(dlclose,
[ --disable-dlclose Only use if you are developing dynamic preprocessors or shared object rules. Disable (--disable-dlclose) for testing valgrind leaks in dynamic libraries so a usable backtrace is reported. Enabled by default.],
enable_dlclose="$enableval", enable_dlclose="yes")
if test "x$enable_dlclose" = "xno"; then
AC_DEFINE([DISABLE_DLCLOSE_FOR_VALGRIND_TESTING],[1],[Don't close opened shared objects for valgrind leak testing of dynamic libraries])
fi
Z_LIB=""
AC_CHECK_HEADERS(zlib.h,, Z_LIB="no")
if test "x$Z_LIB" = "xno"; then
echo
echo " ERROR! zlib header not found, go get it from"
echo " http://www.zlib.net"
exit
fi
Z_LIB=""
AC_CHECK_LIB(z, inflate,, Z_LIB="no")
if test "x$Z_LIB" = "xno"; then
echo
echo " ERROR! zlib library not found, go get it from"
echo " http://www.zlib.net"
exit
fi
LIBS="$LIBS -lz"
AC_ARG_ENABLE(lzma,
[ --disable-lzma Disable LZMA Decompression],
enable_lzma="$enableval", enable_lzma="yes")
AC_ARG_WITH(lzma_includes,
[ --with-lzma-includes=DIR liblzma include directory],
[with_lzma_includes="$withval"],[with_lzma_includes="no"])
AC_ARG_WITH(lzma_libraries,
[ --with-lzma-libraries=DIR liblzma library directory],
[with_lzma_libraries="$withval"],[with_lzma_libraries="no"])
AM_CONDITIONAL(HAVE_LZMA, test "x$enable_lzma" = "xyes")
if test "x$enable_lzma" = "xyes"; then
if test "x$with_lzma_includes" != "xno"; then
CPPFLAGS="${CPPFLAGS} -I${with_lzma_includes}"
LZMA_HEADERS="yes"
else
AC_CHECK_HEADERS(lzma.h, LZMA_HEADERS="yes", LZMA_HEADERS="no")
fi
if test "x$with_lzma_libraries" != "xno"; then
LDFLAGS="${LDFLAGS} -L${with_lzma_libraries}"
LZMA_LIB="yes"
else
AC_CHECK_LIB(lzma, lzma_stream_decoder, LZMA_LIB="yes", LZMA_LIB="no")
fi
if test "x$LZMA_LIB" != "xno"; then
if test "x$LZMA_HEADERS" != "xno"; then
CPPFLAGS="$CPPFLAGS -DLZMA"
LIBS="$LIBS -llzma"
fi
fi
fi
AC_ARG_ENABLE(gre,
[ --disable-gre Disable GRE and IP in IP encapsulation support],
enable_gre="$enableval", enable_gre="yes")
if test "x$enable_gre" = "xyes"; then
CPPFLAGS="$CPPFLAGS -DGRE"
fi
AC_ARG_ENABLE(mpls,
[ --disable-mpls Disable MPLS support],
enable_mpls="$enableval", enable_mpls="yes")
if test "x$enable_mpls" = "xyes"; then
CPPFLAGS="$CPPFLAGS -DMPLS"
fi
AC_ARG_ENABLE(targetbased,
[ --disable-targetbased Disable Target-Based Support in Stream, Frag, and Rules (adds pthread support implicitly)],
enable_targetbased="$enableval", enable_targetbased="yes")
AM_CONDITIONAL(HAVE_TARGET_BASED, test "x$enable_targetbased" = "xyes")
if test "x$enable_targetbased" = "xyes"; then
CONFIGFLAGS="$CONFIGFLAGS -DTARGET_BASED"
LIBS="$LIBS -lpthread"
if test "$LEX" = "none"; then
echo
echo " ERROR! flex not found."
echo " Get it from http://flex.sourceforge.net/"
echo " (You may also try lex instead.)"
echo
exit 1
fi
if test "$YACC" = "none"; then
echo
echo " ERROR! bison not found."
echo " Get it from http://www.gnu.org/software/bison/"
echo " (You may also try byacc or yacc instead.)"
echo
exit 1
fi
fi
AC_ARG_ENABLE(ppm,
[ --disable-ppm Disable packet/rule performance monitor],
enable_ppm="$enableval", enable_ppm="yes")
if test "x$enable_ppm" = "xyes"; then
CPPFLAGS="$CPPFLAGS -DPPM_MGR"
fi
AC_ARG_ENABLE(perfprofiling,
[ --disable-perfprofiling Disable preprocessor and rule performance profiling],
enable_perfprofiling="$enableval", enable_perfprofiling="yes")
if test "x$enable_perfprofiling" = "xyes"; then
CONFIGFLAGS="$CONFIGFLAGS -DPERF_PROFILING"
fi
AC_ARG_ENABLE(linux-smp-stats,
[ --enable-linux-smp-stats Enable statistics reporting through proc],
enable_linux_smp_stats="$enableval", enable_linux_smp_stats="no")
AM_CONDITIONAL(BUILD_PROCPIDSTATS, test "x$enable_linux_smp_stats" = "xyes")
if test "x$enable_linux_smp_stats" = "xyes"; then
CPPFLAGS="$CPPFLAGS -DLINUX_SMP"
fi
AC_ARG_ENABLE(inline-init-failopen,
[ --enable-inline-init-failopen Enable Fail Open during initialization for Inline Mode (adds pthread support implicitly)],
enable_inline_init_failopen="$enableval", enable_inline_init_failopen="no")
if test "x$enable_inline_init_failopen" = "xyes"; then
CPPFLAGS="$CPPFLAGS -DINLINE_FAILOPEN"
LIBS="$LIBS -lpthread"
fi
AC_ARG_ENABLE(pthread,
[ --disable-pthread Disable pthread support],
enable_pthread="$enableval", enable_pthread="yes")
if test "x$enable_pthread" = "xyes"; then
LIBS="$LIBS -lpthread"
fi
AC_ARG_ENABLE(debug-msgs,
[ --enable-debug-msgs Enable debug printing options (bugreports and developers only)],
enable_debug_msgs="$enableval", enable_debug_msgs="no")
if test "x$enable_debug_msgs" = "xyes"; then
CPPFLAGS="$CPPFLAGS -DDEBUG_MSGS"
fi
AC_ARG_ENABLE(debug,
[ --enable-debug Enable debugging options (bugreports and developers only)],
enable_debug="$enableval", enable_debug="no")
if test "x$enable_debug" = "xyes"; then
NO_OPTIMIZE="yes"
# in case user override doesn't include -g
if echo $CFLAGS | grep -qve -g ; then
CFLAGS="$CFLAGS -g"