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configure.ac
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AC_INIT([suricata],[6.0.1-dev])
m4_ifndef([AM_SILENT_RULES], [m4_define([AM_SILENT_RULES],[])])AM_SILENT_RULES([yes])
AC_CONFIG_HEADERS([src/autoconf.h])
AC_CONFIG_SRCDIR([src/suricata.c])
AC_CONFIG_MACRO_DIR(m4)
AM_INIT_AUTOMAKE([tar-ustar subdir-objects])
AC_LANG([C])
LT_INIT
PKG_PROG_PKG_CONFIG
dnl Taken from https://llvm.org/svn/llvm-project/llvm/trunk/autoconf/configure.ac
dnl check if we compile using clang or gcc. On some systems the gcc binary is
dnl is actually clang, so do a compile test.
AC_MSG_CHECKING([whether GCC or Clang is our compiler])
AC_LANG_PUSH([C])
compiler=unknown
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#if ! __clang__
#error
#endif
]])],
compiler=clang,
[AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#if ! __GNUC__
#error
#endif
]])],
compiler=gcc, [])])
AC_LANG_POP([C])
AC_MSG_RESULT([${compiler}])
AC_ARG_WITH([clang],
[ --with-clang=PROGRAM path to Clang for compiling eBPF code. Use if the main C compiler is not Clang.],
[CLANG="$withval"],
[AS_IF([test "$compiler" = clang],
[CLANG="$CC"],
[AC_PATH_PROG([CLANG],[clang])])])
AC_SUBST([CLANG])
case "$compiler" in
clang)
CLANG_CFLAGS="-Wextra -Werror-implicit-function-declaration -Wno-error=unused-command-line-argument"
AC_SUBST(CLANG_CFLAGS)
;;
gcc)
dnl get gcc version
AC_MSG_CHECKING([gcc version])
gccver=$($CC -dumpversion)
gccvermajor=$(echo $gccver | cut -d . -f1)
gccverminor=$(echo $gccver | cut -d . -f2)
gccvernum=$(expr $gccvermajor "*" 100 + $gccverminor)
AC_MSG_RESULT($gccver)
if test "$gccvernum" -ge "400"; then
dnl gcc 4.0 or later
GCC_CFLAGS="-Wextra -Werror-implicit-function-declaration"
else
GCC_CFLAGS="-W"
fi
AC_SUBST(GCC_CFLAGS)
;;
*)
AC_MSG_WARN([unsupported/untested compiler, this may or may not work])
;;
esac
# Checks for programs.
AC_PROG_AWK
AC_PROG_CC
AC_PROG_CPP
AC_PROG_RANLIB
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET
AC_PROG_GREP
AC_PATH_PROG(HAVE_CYGPATH, cygpath, "no")
AM_CONDITIONAL([HAVE_CYGPATH], [test "x$HAVE_CYGPATH" != "xno"])
AC_PATH_PROG(HAVE_PKG_CONFIG, pkg-config, "no")
if test "$HAVE_PKG_CONFIG" = "no"; then
echo
echo " ERROR! pkg-config not found, go get it "
echo " http://pkg-config.freedesktop.org/wiki/ "
echo " or install from your distribution "
echo
exit 1
fi
python_path="not set"
AC_ARG_ENABLE(python,
AS_HELP_STRING([--enable-python], [Enable python]),
[enable_python=$enableval],[enable_python=yes])
if test "x$enable_python" != "xyes"; then
enable_python="no"
else
AC_PATH_PROGS(HAVE_PYTHON, python3 python2.7 python2 python, "no")
if test "$HAVE_PYTHON" = "no"; then
echo
echo " Warning! Python not found."
echo
echo " Python is required for additional tools like"
echo " suricatasc, suricatactl and suricata-update."
echo " It is also required when building from git."
echo
enable_python="no"
else
python_path="$HAVE_PYTHON"
fi
fi
AM_CONDITIONAL([HAVE_PYTHON], [test "x$enable_python" = "xyes"])
# Get the Python major version. This is only for information
# messages displayed during configure.
if test "x$HAVE_PYTHON" != "xno"; then
pymv="$($HAVE_PYTHON -c 'import sys; print(sys.version_info[[0]]);')"
fi
# Check for python-distutils (setup).
have_python_distutils="no"
if test "x$enable_python" = "xyes"; then
AC_MSG_CHECKING([for python-distutils])
if $HAVE_PYTHON -c "import distutils; from distutils.core import setup" 2>/dev/null; then
AC_MSG_RESULT([yes])
have_python_distutils="yes"
else
AC_MSG_RESULT([no])
fi
fi
AM_CONDITIONAL([HAVE_PYTHON_DISTUTILS],
[test "x$have_python_distutils" = "xyes"])
if test "$have_python_distutils" = "no"; then
echo ""
echo " Warning: Python distutils not found. Python tools will"
echo " not be installed."
echo ""
echo " Install the distutils module for Python ${pymv} to enable"
echo " the Python tools."
echo ""
fi
# Check for python-yaml.
have_python_yaml="no"
if test "x$enable_python" = "xyes"; then
AC_MSG_CHECKING([for python-yaml])
if $HAVE_PYTHON -c "import yaml" 2>/dev/null; then
have_python_yaml="yes"
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
fi
fi
AM_CONDITIONAL([HAVE_PYTHON_YAML], [test "x$have_python_yaml" = "xyes"])
AC_PATH_PROG(HAVE_WGET, wget, "no")
if test "$HAVE_WGET" = "no"; then
AC_PATH_PROG(HAVE_CURL, curl, "no")
if test "$HAVE_CURL" = "no"; then
echo
echo " Warning curl or wget not found, you won't be able to"
echo " download latest ruleset with 'make install-rules'"
fi
fi
AM_CONDITIONAL([HAVE_FETCH_COMMAND], [test "x$HAVE_WGET" != "xno" || test "x$HAVE_CURL" != "xno"])
AM_CONDITIONAL([HAVE_WGET_COMMAND], [test "x$HAVE_WGET" != "xno"])
# Checks for libraries.
# Checks for header files.
AC_CHECK_HEADERS([stddef.h])
AC_CHECK_HEADERS([arpa/inet.h assert.h ctype.h errno.h fcntl.h inttypes.h])
AC_CHECK_HEADERS([getopt.h])
AC_CHECK_HEADERS([limits.h netdb.h netinet/in.h poll.h sched.h signal.h])
AC_CHECK_HEADERS([stdarg.h stdint.h stdio.h stdlib.h stdbool.h string.h strings.h sys/ioctl.h])
AC_CHECK_HEADERS([syslog.h sys/prctl.h sys/socket.h sys/stat.h sys/syscall.h])
AC_CHECK_HEADERS([sys/time.h time.h unistd.h sys/param.h])
AC_CHECK_HEADERS([sys/ioctl.h linux/if_ether.h linux/if_packet.h linux/filter.h])
AC_CHECK_HEADERS([linux/ethtool.h linux/sockios.h])
AC_CHECK_HEADERS([glob.h locale.h grp.h pwd.h])
AC_CHECK_HEADERS([dirent.h fnmatch.h])
AC_CHECK_HEADERS([sys/resource.h sys/types.h sys/un.h])
AC_CHECK_HEADERS([sys/random.h])
AC_CHECK_HEADERS([utime.h])
AC_CHECK_HEADERS([libgen.h])
AC_CHECK_HEADERS([mach/mach.h])
AC_CHECK_HEADERS([stdatomic.h])
AC_CHECK_HEADERS([sys/socket.h net/if.h sys/mman.h linux/if_arp.h], [], [],
[[#ifdef HAVE_SYS_SOCKET_H
#include <sys/types.h>
#include <sys/socket.h>
#endif
]])
AC_CHECK_HEADERS([windows.h winsock2.h ws2tcpip.h w32api/wtypes.h], [], [],
[[
#ifndef _X86_
#define _X86_
#endif
]])
AC_CHECK_HEADERS([w32api/winbase.h wincrypt.h], [], [],
[[
#ifndef _X86_
#define _X86_
#endif
#include <windows.h>
]])
# Checks for typedefs, structures, and compiler characteristics.
AC_C_INLINE
AC_C_RESTRICT
AC_TYPE_PID_T
AC_TYPE_MODE_T
AC_TYPE_SIZE_T
AC_TYPE_SSIZE_T
AC_TYPE_INT8_T
AC_TYPE_INT16_T
AC_TYPE_INT32_T
AC_TYPE_INT64_T
AC_TYPE_UINT8_T
AC_TYPE_UINT16_T
AC_TYPE_UINT32_T
AC_TYPE_UINT64_T
AC_TYPE_UINT
AC_TYPE_USHORT
AC_TYPE_ULONG
AC_TYPE_UCHAR
AC_STRUCT_TIMEZONE
AC_CHECK_TYPES([ptrdiff_t])
AC_HEADER_STDBOOL
# Checks for library functions.
AC_FUNC_MALLOC
AC_FUNC_REALLOC
AC_FUNC_FORK
AC_FUNC_MKTIME
AC_FUNC_MMAP
AC_FUNC_STRTOD
AC_CHECK_FUNCS([memmem memset memchr memrchr memmove])
AC_CHECK_FUNCS([strcasecmp strchr strrchr strdup strndup strncasecmp strtol strtoul strstr strpbrk strtoull strtoumax])
AC_CHECK_FUNCS([strerror])
AC_CHECK_FUNCS([gethostname inet_ntoa uname])
AC_CHECK_FUNCS([gettimeofday clock_gettime utime strptime tzset localtime_r])
AC_CHECK_FUNCS([socket setenv select putenv dup2 endgrent endpwent atexit munmap])
AC_CHECK_FUNCS([fwrite_unlocked])
AC_CHECK_DECL([getrandom],
AC_DEFINE([HAVE_GETRANDOM], [1], [Use getrandom]),
[], [
#include <sys/random.h>
])
OCFLAGS=$CFLAGS
CFLAGS=""
AC_CHECK_FUNCS([strlcpy strlcat])
CFLAGS=$OCFLAGS
# Add large file support
AC_SYS_LARGEFILE
#check for os
AC_MSG_CHECKING([host os])
# Default lua libname if not detected otherwise.
LUA_LIB_NAME="lua5.1"
# If no host os was detected, try with uname
if test -z "$host" ; then
host="`uname`"
fi
echo -n "installation for $host OS... "
RUST_SURICATA_LIBNAME="libsuricata.a"
e_magic_file=""
e_magic_file_comment="#"
PCAP_LIB_NAME="pcap"
case "$host" in
*-*-*freebsd*)
LUA_LIB_NAME="lua-5.1"
CFLAGS="${CFLAGS} -DOS_FREEBSD"
CPPFLAGS="${CPPFLAGS} -I/usr/local/include -I/usr/local/include/libnet11"
LDFLAGS="${LDFLAGS} -L/usr/local/lib -L/usr/local/lib/libnet11"
RUST_LDADD="-lrt -lm"
;;
*-*-openbsd*)
CFLAGS="${CFLAGS} -D__OpenBSD__"
CPPFLAGS="${CPPFLAGS} -I/usr/local/include -I/usr/local/include/libnet-1.1"
LDFLAGS="${LDFLAGS} -L/usr/local/lib -I/usr/local/lib/libnet-1.1"
RUST_LDADD="-lm -lc++ -lc++abi"
;;
*darwin*|*Darwin*)
LUA_LIB_NAME="lua-5.1"
CFLAGS="${CFLAGS} -DOS_DARWIN"
CPPFLAGS="${CPPFLAGS} -I/opt/local/include"
LDFLAGS="${LDFLAGS} -L/opt/local/lib"
;;
*-*-linux*)
RUST_LDADD="-ldl -lrt -lm"
;;
*-*-mingw32*|*-*-msys)
CFLAGS="${CFLAGS} -DOS_WIN32"
LDFLAGS="${LDFLAGS} -lws2_32 -liphlpapi -lwbemuuid -lOle32 -lOleAut32 -lUuid"
WINDOWS_PATH="yes"
PCAP_LIB_NAME="wpcap"
AC_DEFINE([HAVE_NON_POSIX_MKDIR], [1], [mkdir is not POSIX compliant: single arg])
RUST_SURICATA_LIBNAME="suricata.lib"
RUST_LDADD="-luserenv -lshell32 -ladvapi32 -lgcc_eh"
;;
*-*-cygwin)
LUA_LIB_NAME="lua"
WINDOWS_PATH="yes"
PCAP_LIB_NAME="wpcap"
;;
*-*-solaris*)
AC_MSG_WARN([support for Solaris/Illumos/SunOS is experimental])
LDFLAGS="${LDFLAGS} -lsocket -lnsl"
;;
*)
AC_MSG_WARN([unsupported OS this may or may not work])
;;
esac
AC_MSG_RESULT(ok)
# check if our target supports c11
AC_MSG_CHECKING(for c11 support)
OCFLAGS=$CFLAGS
CFLAGS="-std=c11"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>]],
[[ static _Thread_local int i; i = 1; i++; ]])],
AC_MSG_RESULT([yes])
[AC_DEFINE([TLS_C11], [1], [C11 Thread local storage])
CFLAGS="$OCFLAGS -std=c11"],
[AC_MSG_RESULT([no])
CFLAGS="$OCFLAGS"
have_c11=no
have_c11_tls=no])
if [ test "x$have_c11" = "xno" ]; then
CFLAGS="$CFLAGS -std=gnu99"
fi
# check if our target supports thread local storage
AC_MSG_CHECKING(for thread local storage gnu __thread support)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>]],
[[ static __thread int i; i = 1; i++; ]])],
[AC_DEFINE([TLS_GNU], [1], [Thread local storage])
AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])
have_gnu_tls=no])
if [ test "x$have_c11_tls" = "xno" ] && [ test "x$have_gnu_tls" = "xno" ]; then
AC_MSG_ERROR("no thread local support available.")
exit 1
fi
#Enable support for gcc compile time security options. There is no great way to do detection of valid cflags that I have found
#AX_CFLAGS_GCC_OPTION don't seem to do a better job than the code below and are a pain because of extra m4 files etc.
#These flags seem to be supported on CentOS 5+, Ubuntu 8.04+, and FedoreCore 11+
#Options are taken from https://wiki.ubuntu.com/CompilerFlags
AC_ARG_ENABLE(gccprotect,
AS_HELP_STRING([--enable-gccprotect], [Detect and use gcc hardening options]),[enable_gccprotect=$enableval],[enable_gccprotect=no])
AS_IF([test "x$enable_gccprotect" = "xyes"], [
#buffer overflow protection
AC_MSG_CHECKING(for -fstack-protector)
TMPCFLAGS="${CFLAGS}"
CFLAGS="${CFLAGS} -fstack-protector"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[]])],[SECCFLAGS="-fstack-protector"
AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)])
CFLAGS="${TMPCFLAGS}"
#compile-time best-practices errors for certain libc functions, provides checks of buffer lengths and memory regions
AC_MSG_CHECKING(for -D_FORTIFY_SOURCE=2)
TMPCFLAGS="${CFLAGS}"
CFLAGS="${CFLAGS} -D_FORTIFY_SOURCE=2"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],[SECCFLAGS="${SECCFLAGS} -D_FORTIFY_SOURCE=2"
AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)])
CFLAGS="${TMPCFLAGS}"
#compile-time warnings about misuse of format strings
AC_MSG_CHECKING(for -Wformat -Wformat-security)
TMPCFLAGS="${CFLAGS}"
CFLAGS="${CFLAGS} -Wformat -Wformat-security"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],[SECCFLAGS="${SECCFLAGS} -Wformat -Wformat-security"
AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)])
CFLAGS="${TMPCFLAGS}"
#provides a read-only relocation table area in the final ELF
AC_MSG_CHECKING(for -z relro)
TMPLDFLAGS="${LDFLAGS}"
LDFLAGS="${LDFLAGS} -z relro"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[]])],[SECLDFLAGS="${SECLDFLAGS} -z relro"
AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)])
LDFLAGS="${TMPLDFLAGS}"
#forces all relocations to be resolved at run-time
AC_MSG_CHECKING(for -z now)
TMPLDFLAGS="${LDFLAGS}"
LDFLAGS="${LDFLAGS} -z now"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[]])],[SECLDFLAGS="${SECLDFLAGS} -z now"
AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)])
LDFLAGS="${TMPLDFLAGS}"
AC_SUBST(SECCFLAGS)
AC_SUBST(SECLDFLAGS)
])
#check for plugin support
AC_CHECK_HEADERS([dlfcn.h])
AC_MSG_CHECKING([for plugin support])
TMPLDFLAGS="${LDFLAGS}"
LDFLAGS="${LDFLAGS} -rdynamic"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <dlfcn.h>]], [[]])],
[
AC_MSG_RESULT(yes)
has_rdynamic=yes
],
[
AC_MSG_RESULT(no)
has_rdynamic=no
])
if test "x$has_rdynamic" = "xyes"; then
plugin_support=yes
AC_DEFINE([HAVE_PLUGINS], [1], [Plugin support])
else
plugin_support=no
LDFLAGS="${TMPLDFLAGS}"
fi
#enable profile generation
AC_ARG_ENABLE(gccprofile,
AS_HELP_STRING([--enable-gccprofile], [Enable gcc profile info i.e -pg flag is set]),[enable_gccprofile=$enableval],[enable_gccprofile=no])
AS_IF([test "x$enable_gccprofile" = "xyes"], [
CFLAGS="${CFLAGS} -pg"
])
#enable gcc march=native gcc 4.2 or later
AC_ARG_ENABLE(gccmarch_native,
AS_HELP_STRING([--enable-gccmarch-native], [Enable gcc march=native gcc 4.2 and later only]),[enable_gccmarch_native=$enableval],[enable_gccmarch_native=yes])
AS_IF([test "x$enable_gccmarch_native" = "xyes"], [
case "$host" in
*powerpc*)
;;
*)
OFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -march=native"
AC_MSG_CHECKING([checking if $CC supports -march=native])
AC_COMPILE_IFELSE( [AC_LANG_PROGRAM([[#include <stdlib.h>]])],
[
AC_MSG_RESULT([yes])
OPTIMIZATION_CFLAGS="-march=native"
AC_SUBST(OPTIMIZATION_CFLAGS)
],
[
AC_MSG_RESULT([no])
CFLAGS="$OFLAGS"
enable_gccmarch_native=no
]
)
;;
esac
])
# options
# enable the running of unit tests
AC_ARG_ENABLE(unittests,
AS_HELP_STRING([--enable-unittests], [Enable compilation of the unit tests]),[enable_unittests=$enableval],[enable_unittests=no])
AS_IF([test "x$enable_unittests" = "xyes"], [
AC_DEFINE([UNITTESTS],[1],[Enable built-in unittests])
])
AM_CONDITIONAL([BUILD_UNITTESTS], [test "x$enable_unittests" = "xyes"])
# enable the building of ebpf files
AC_ARG_ENABLE(ebpf-build,
AS_HELP_STRING([--enable-ebpf-build], [Enable compilation of ebpf files]),[enable_ebpf_build=$enableval],[enable_ebpf_build=no])
AM_CONDITIONAL([BUILD_EBPF], [test "x$enable_ebpf_build" = "xyes"])
AS_IF([test "x$enable_ebpf_build" = "xyes"],
[
AS_IF([test "$CLANG" != no],
[
llc_candidates=$($CLANG --version | \
awk '/^clang version/ {
split($3, v, ".");
printf("llc-%s.%s llc-%s llc", v[[1]], v[[2]], v[[1]])
}')
AC_CHECK_PROGS([LLC], [$llc_candidates], "no")
if test "$LLC" = "no"; then
AC_MSG_ERROR([unable to find any of $llc_candidates needed to build ebpf files])
fi
AC_SUBST(LLC)
],
[AC_MSG_ERROR([clang needed to build ebpf files])])
])
# enable debug output
AC_ARG_ENABLE(debug,
AS_HELP_STRING([--enable-debug], [Enable debug output]),[enable_debug=$enableval],[enable_debug=no])
AS_IF([test "x$enable_debug" = "xyes"], [
AC_DEFINE([DEBUG],[1],[Enable debug output])
])
AM_CONDITIONAL([DEBUG], [test "x$enable_debug" = "xyes"])
# enable debug validation functions & macro's output
AC_ARG_ENABLE(debug-validation,
AS_HELP_STRING([--enable-debug-validation], [Enable (debug) validation code output]),[enable_debug_validation=$enableval],[enable_debug_validation=no])
AS_IF([test "x$enable_debug_validation" = "xyes"], [
if test "$enable_unittests" = "yes"; then
AC_MSG_ERROR([debug_validation can't be enabled with enabled unittests!])
else
AC_DEFINE([DEBUG_VALIDATION],[1],[Enable (debug) validation code output])
fi
])
AM_CONDITIONAL([DEBUG_VALIDATION], [test "x$enable_debug_validation" = "xyes"])
# profiling support
AC_ARG_ENABLE(profiling,
AS_HELP_STRING([--enable-profiling], [Enable performance profiling]),[enable_profiling=$enableval],[enable_profiling=no])
AS_IF([test "x$enable_profiling" = "xyes"], [
case "$host" in
*-*-openbsd*)
AC_MSG_ERROR([profiling is not supported on OpenBSD])
;;
*)
AC_DEFINE([PROFILING],[1],[Enable performance profiling])
;;
esac
])
# profiling support, locking
AC_ARG_ENABLE(profiling-locks,
AS_HELP_STRING([--enable-profiling-locks], [Enable performance profiling for locks]),[enable_profiling_locks=$enableval],[enable_profiling_locks=no])
AS_IF([test "x$enable_profiling_locks" = "xyes"], [
AC_DEFINE([PROFILING],[1],[Enable performance profiling])
AC_DEFINE([PROFILE_LOCKING],[1],[Enable performance profiling for locks])
])
# enable support for IPFW
AC_ARG_ENABLE(ipfw,
AS_HELP_STRING([--enable-ipfw], [Enable FreeBSD IPFW support for inline IDP]),[enable_ipfw=$enableval],[enable_ipfw=no])
AS_IF([test "x$enable_ipfw" = "xyes"], [
AC_DEFINE([IPFW],[1],[Enable FreeBSD IPFW support for inline IDP])
])
AC_ARG_ENABLE(coccinelle,
AS_HELP_STRING([--disable-coccinelle], [Disable coccinelle QA steps during make check]),[enable_coccinelle="$enableval"],[enable_coccinelle=yes])
AS_IF([test "x$enable_coccinelle" = "xyes"], [
AC_PATH_PROG(HAVE_COCCINELLE_CONFIG, spatch, "no")
if test "$HAVE_COCCINELLE_CONFIG" = "no"; then
enable_coccinelle=no
fi
])
AM_CONDITIONAL([HAVE_COCCINELLE], [test "x$enable_coccinelle" != "xno"])
# disable detection
AC_ARG_ENABLE(detection,
AS_HELP_STRING([--disable-detection], [Disable Detection Modules]), [enable_detection="$enableval"],[enable_detection=yes])
AS_IF([test "x$enable_detection" = "xno"], [
AC_DEFINE([HAVE_DETECT_DISABLED], [1], [Detection is disabled])
])
# libraries
# zlib
AC_ARG_WITH(zlib_includes,
[ --with-zlib-includes=DIR zlib include directory],
[with_zlib_includes="$withval"],[with_zlib_includes=no])
AC_ARG_WITH(zlib_libraries,
[ --with-zlib-libraries=DIR zlib library directory],
[with_zlib_libraries="$withval"],[with_zlib_libraries="no"])
if test "$with_zlib_includes" != "no"; then
CPPFLAGS="${CPPFLAGS} -I${with_zlib_includes}"
fi
AC_CHECK_HEADER(zlib.h, ZLIB="yes",ZLIB="no")
if test "$ZLIB" = "yes"; then
if test "$with_zlib_libraries" != "no"; then
LDFLAGS="${LDFLAGS} -L${with_zlib_libraries}"
fi
# To prevent duping the lib link we reset LIBS after this check. Setting action-if-found to NULL doesn't seem to work
# see: http://blog.flameeyes.eu/2008/04/29/i-consider-ac_check_lib-harmful
ZLIB=""
TMPLIBS="${LIBS}"
AC_CHECK_LIB(z,inflate,,ZLIB="no")
if test "$ZLIB" = "no"; then
echo
echo " ERROR! zlib library not found, go get it"
echo " Debian/Ubuntu: apt install zlib1g-dev"
echo " Fedora: dnf install zlib-devel"
echo " CentOS/RHEL: yum install zlib-devel"
echo
exit 1
fi
LIBS="${TMPLIBS} -lz"
fi
#libpcre
AC_ARG_WITH(libpcre_includes,
[ --with-libpcre-includes=DIR libpcre include directory],
[with_libpcre_includes="$withval"],[with_libpcre_includes="no"])
AC_ARG_WITH(libpcre_libraries,
[ --with-libpcre-libraries=DIR libpcre library directory],
[with_libpcre_libraries="$withval"],[with_libpcre_libraries="no"])
if test "$with_libpcre_includes" != "no"; then
CPPFLAGS="${CPPFLAGS} -I${with_libpcre_includes}"
fi
AC_CHECK_HEADER(pcre.h,,[AC_MSG_ERROR(pcre.h not found ...)])
if test "$with_libpcre_libraries" != "no"; then
LDFLAGS="${LDFLAGS} -L${with_libpcre_libraries}"
fi
PCRE=""
AC_CHECK_LIB(pcre, pcre_get_substring,,PCRE="no")
if test "$PCRE" = "no"; then
echo
echo " ERROR! pcre library not found, go get it"
echo " from www.pcre.org. Or from packages:"
echo " Debian/Ubuntu: apt install libpcre3-dev"
echo " Fedora: dnf install pcre-devel"
echo " CentOS/RHEL: yum install pcre-devel"
echo
exit 1
fi
# libpcre 8.35 (especially on debian) has a known issue that results in segfaults
# see https://redmine.openinfosecfoundation.org/issues/1693
if test "$with_libpcre_libraries" = "no"; then
PKG_CHECK_MODULES(LIBPCREVERSION, [libpcre = 8.35],[libpcre_buggy_found="yes"],[libprce_buggy_found="no"])
if test "$libpcre_buggy_found" = "yes"; then
echo
echo " Warning! vulnerable libpcre version 8.35 found"
echo " This version has a known issue that could result in segfaults"
echo " please upgrade to a newer version of pcre which you can get from"
echo " www.pcre.org. For more information, see issue #1693"
echo
echo " Continuing for now with JIT disabled..."
echo
fi
fi
# To prevent duping the lib link we reset LIBS after this check. Setting action-if-found to NULL doesn't seem to work
# see: http://blog.flameeyes.eu/2008/04/29/i-consider-ac_check_lib-harmful
PCRE=""
TMPLIBS="${LIBS}"
AC_CHECK_LIB(pcre, pcre_dfa_exec,, PCRE="no")
if test "$PCRE" = "no"; then
echo
echo " ERROR! pcre library was found but version was < 6.0"
echo " please upgrade to a newer version of pcre which you can get from"
echo " www.pcre.org."
echo
exit 1
fi
LIBS="${TMPLIBS}"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <pcre.h> ]],
[[ int eo = 0; eo |= PCRE_EXTRA_MATCH_LIMIT_RECURSION; ]])],
[ pcre_match_limit_recursion_available=yes ],[:]
)
if test "$pcre_match_limit_recursion_available" != "yes"; then
echo
echo " Warning! pcre extra opt PCRE_EXTRA_MATCH_LIMIT_RECURSION not found"
echo " This could lead to potential DoS please upgrade to pcre >= 6.5"
echo " from www.pcre.org."
echo " Continuing for now...."
echo
AC_DEFINE([NO_PCRE_MATCH_RLIMIT],[1],[Pcre PCRE_EXTRA_MATCH_LIMIT_RECURSION not available])
fi
TMPCFLAGS="${CFLAGS}"
CFLAGS="-O0 -g -Werror -Wall"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <pcre.h> ]],
[[ pcre_extra *extra = NULL; pcre_free_study(extra); ]])],
[ AC_DEFINE([HAVE_PCRE_FREE_STUDY], [1], [Pcre pcre_free_study supported])],[:]
)
CFLAGS="${TMPCFLAGS}"
#enable support for PCRE-jit available since pcre-8.20
AC_MSG_CHECKING(for PCRE JIT support)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <pcre.h> ]],
[[
int jit = 0;
pcre_config(PCRE_CONFIG_JIT, &jit);
]])],[ pcre_jit_available=yes ],[ pcre_jit_available=no ]
)
case $host in
*powerpc64*)
PKG_CHECK_MODULES(LIBPCREVERSION, [libpcre = 8.39],[libpcre_ppc64_buggy_found1="yes"],[libprce_ppc64_buggy_found1="no"])
PKG_CHECK_MODULES(LIBPCREVERSION, [libpcre = 8.40],[libpcre_ppc64_buggy_found2="yes"],[libprce_ppc64_buggy_found2="no"])
if test "$libprce_ppc64_buggy_found1" = "yes" || test "$libprce_ppc64_buggy_found2"; then
# on powerpc64, both gcc and clang lead to SIGILL in
# unittests when jit is enabled.
pcre_jit_available="no, pcre 8.39/8.40 jit disabled for powerpc64"
fi
;;
*)
# bug 1693, libpcre 8.35 is broken and debian jessie is still using that
if test "$libpcre_buggy_found" = "yes"; then
pcre_jit_available="no, libpcre 8.35 blacklisted"
fi
;;
esac
if test "x$pcre_jit_available" = "xyes"; then
AC_MSG_RESULT(yes)
AC_DEFINE([PCRE_HAVE_JIT], [1], [Pcre with JIT compiler support enabled])
AC_MSG_CHECKING(for PCRE JIT support usability)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <pcre.h> ]],
[[
const char *error;
int err_offset;
pcre *re = pcre_compile("(a|b|c|d)",0, &error, &err_offset,NULL);
pcre_extra *extra = pcre_study(re, PCRE_STUDY_JIT_COMPILE, &error);
if (extra == NULL)
exit(EXIT_FAILURE);
int jit = 0;
int ret = pcre_fullinfo(re, extra, PCRE_INFO_JIT, &jit);
if (ret != 0 || jit != 1)
exit(EXIT_FAILURE);
exit(EXIT_SUCCESS);
]])],[ pcre_jit_works=yes ],[:]
)
if test "x$pcre_jit_works" != "xyes"; then
AC_MSG_RESULT(no)
echo
echo " PCRE JIT support detection worked but testing it failed"
echo " something odd is going on, please file a bug report."
echo
exit 1
else
AC_MSG_RESULT(yes)
fi
else
AC_MSG_RESULT(no)
fi
if test "x$pcre_jit_works" = "xyes"; then
AC_MSG_CHECKING(for PCRE JIT exec availability)
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[
#include <pcre.h>
#include <string.h>
],
[
const char *error;
int err_offset;
pcre *re = pcre_compile("(a|b|c|d)", 0, &error, &err_offset,NULL);
pcre_extra *study = pcre_study(re, PCRE_STUDY_JIT_COMPILE, &error);
if (study == NULL)
exit(EXIT_FAILURE);
pcre_jit_stack *stack = pcre_jit_stack_alloc(32*1024,40*1024);
if (stack == 0)
exit(EXIT_FAILURE);
int ret = pcre_jit_exec(re, study, "apple", 5, 0, 0, NULL, 0, stack);
exit(ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE);
])],
[pcre_jit_exec_available="yes" ],
[pcre_jit_exec_available="no" ])
if test "x$pcre_jit_exec_available" != "xyes"; then
AC_MSG_RESULT(no)
else
AC_MSG_RESULT(yes)
AC_DEFINE([PCRE_HAVE_JIT_EXEC], [1], [PCRE with JIT compiler support enabled supporting pcre_jit_exec])
fi
else
AC_MSG_RESULT(no)
fi
# libhs
enable_hyperscan="no"
# Try pkg-config first:
PKG_CHECK_MODULES([libhs], libhs,, [with_pkgconfig_libhs=no])
if test "$with_pkgconfig_libhs" != "no"; then
CPPFLAGS="${CPPFLAGS} ${libhs_CFLAGS}"
LIBS="${LIBS} ${libhs_LIBS}"
fi
AC_ARG_WITH(libhs_includes,
[ --with-libhs-includes=DIR libhs include directory],
[with_libhs_includes="$withval"],[with_libhs_includes=no])
AC_ARG_WITH(libhs_libraries,
[ --with-libhs-libraries=DIR libhs library directory],
[with_libhs_libraries="$withval"],[with_libhs_libraries="no"])
if test "$with_libhs_includes" != "no"; then
CPPFLAGS="${CPPFLAGS} -I${with_libhs_includes}"
fi
AC_CHECK_HEADER(hs.h,HYPERSCAN="yes",HYPERSCAN="no")
if test "$HYPERSCAN" = "yes"; then
if test "$with_libhs_libraries" != "no"; then
LDFLAGS="${LDFLAGS} -L${with_libhs_libraries}"
fi
AC_CHECK_LIB(hs,hs_compile,,HYPERSCAN="no")
AC_CHECK_FUNCS(hs_valid_platform)
enable_hyperscan="yes"
if test "$HYPERSCAN" = "no"; then
echo
echo " Hyperscan headers are present, but link test failed."
echo " Check that you have a shared library and C++ linkage available."
echo
enable_hyperscan="no"
fi
fi
AS_IF([test "x$enable_hyperscan" = "xyes"], [AC_DEFINE([BUILD_HYPERSCAN], [1], [Intel Hyperscan support enabled])])
# libyaml
AC_ARG_WITH(libyaml_includes,
[ --with-libyaml-includes=DIR libyaml include directory],
[with_libyaml_includes="$withval"],[with_libyaml_includes=no])
AC_ARG_WITH(libyaml_libraries,
[ --with-libyaml-libraries=DIR libyaml library directory],
[with_libyaml_libraries="$withval"],[with_libyaml_libraries="no"])
if test "$with_libyaml_includes" != "no"; then
CPPFLAGS="${CPPFLAGS} -I${with_libyaml_includes}"
fi
AC_CHECK_HEADER(yaml.h,,LIBYAML="no")
if test "$with_libyaml_libraries" != "no"; then
LDFLAGS="${LDFLAGS} -L${with_libyaml_libraries}"
fi
LIBYAML=""
AC_CHECK_LIB(yaml,yaml_parser_initialize,,LIBYAML="no")
if test "$LIBYAML" = "no"; then
echo
echo " ERROR! libyaml library not found, go get it"
echo " from http://pyyaml.org/wiki/LibYAML "
echo " or your distribution:"
echo
echo " Ubuntu: apt-get install libyaml-dev"
echo " Fedora: dnf install libyaml-devel"
echo " CentOS/RHEL: yum install libyaml-devel"
echo
exit 1
fi
# libpthread
AC_ARG_WITH(libpthread_includes,
[ --with-libpthread-includes=DIR libpthread include directory],
[with_libpthread_includes="$withval"],[with_libpthread_includes=no])
AC_ARG_WITH(libpthread_libraries,
[ --with-libpthread-libraries=DIR libpthread library directory],
[with_libpthread_libraries="$withval"],[with_libpthread_libraries="no"])
if test "$with_libpthread_includes" != "no"; then
CPPFLAGS="${CPPFLAGS} -I${with_libpthread_includes}"
fi
dnl AC_CHECK_HEADER(pthread.h,,[AC_MSG_ERROR(pthread.h not found ...)])
if test "$with_libpthread_libraries" != "no"; then
LDFLAGS="${LDFLAGS} -L${with_libpthread_libraries}"
fi
PTHREAD=""
AC_CHECK_LIB(pthread, pthread_create,, PTHREAD="no")
if test "$PTHREAD" = "no"; then
echo
echo " ERROR! libpthread library not found, glibc problem?"
echo
exit 1
fi
AC_CHECK_FUNCS([pthread_spin_unlock])
# libjansson
AC_ARG_WITH(libjansson_includes,
[ --with-libjansson-includes=DIR libjansson include directory],
[with_libjansson_includes="$withval"],[with_libjansson_includes=no])
AC_ARG_WITH(libjansson_libraries,
[ --with-libjansson-libraries=DIR libjansson library directory],
[with_libjansson_libraries="$withval"],[with_libjansson_libraries="no"])
if test "$with_libjansson_includes" != "no"; then
CPPFLAGS="${CPPFLAGS} -I${with_libjansson_includes}"
fi
if test "$with_libjansson_libraries" != "no"; then
LDFLAGS="${LDFLAGS} -L${with_libjansson_libraries}"
fi
AC_CHECK_HEADER(jansson.h,JANSSON="yes",JANSSON="no")
AC_CHECK_LIB(jansson, json_dump_callback,, JANSSON="no")
if test "$JANSSON" = "no"; then
echo ""
echo " ERROR: Jansson is now required."
echo ""
echo " Go get it from your distribution or from:"
echo " http://www.digip.org/jansson/"
echo ""
echo " Ubuntu/Debian: apt install libjansson-dev"
echo " CentOS: yum install jansson-devel"
echo " Fedora: dnf install jansson-devel"
echo ""
exit 1
fi
enable_jansson="yes"
enable_unixsocket="no"
AC_ARG_ENABLE(unix-socket,
AS_HELP_STRING([--enable-unix-socket], [Enable unix socket [default=test]]),[enable_unixsocket="$enableval"],[enable_unixsocket=test])
if test "$JANSSON" = "yes"; then
enable_jansson="yes"
if test "$JANSSON" = "no"; then
echo
echo " Jansson >= 2.2 is required for features like unix socket"
echo " Go get it from your distribution or from:"
echo " http://www.digip.org/jansson/"
echo " Ubuntu: apt-get install libjansson-dev"
echo " Fedora: dnf install jansson-devel"
echo " CentOS/RHEL: yum install jansson-devel"
echo
if test "x$enable_unixsocket" = "xyes"; then
exit 1
fi
enable_unixsocket="no"
enable_jansson="no"
else
case $host in
*-*-mingw32*|*-*-msys*|*-*-cygwin)
enable_unixsocket="no"
;;
*)
if test "x$enable_unixsocket" = "xtest"; then
enable_unixsocket="yes"
fi
;;
esac
fi
else
if test "x$enable_unixsocket" = "xyes"; then
echo
echo " Jansson >= 2.2 is required for features like unix socket"
echo " Go get it from your distribution or from:"
echo " http://www.digip.org/jansson/"
echo " Ubuntu: apt-get install libjansson-dev"
echo " Fedora: dnf install jansson-devel"
echo " CentOS/RHEL: yum install jansson-devel"
echo
exit 1
fi
enable_unixsocket="no"
fi
AS_IF([test "x$enable_unixsocket" = "xyes"], [AC_DEFINE([BUILD_UNIX_SOCKET], [1], [Unix socket support enabled])])
e_enable_evelog=$enable_jansson
AC_ARG_ENABLE(nflog,
AS_HELP_STRING([--enable-nflog],[Enable libnetfilter_log support]),
[ enable_nflog="$enableval"],
[ enable_nflog="no"])
AC_ARG_ENABLE(nfqueue,
AS_HELP_STRING([--enable-nfqueue], [Enable NFQUEUE support for inline IDP]),[enable_nfqueue=$enableval],[enable_nfqueue=no])
if test "$enable_nfqueue" != "no"; then
PKG_CHECK_MODULES([libnetfilter_queue], [libnetfilter_queue], [enable_nfqueue=yes], [enable_nfqueue=no])
CPPFLAGS="${CPPFLAGS} ${libnetfilter_queue_CFLAGS}"
fi
if test "x$enable_nflog" = "xyes" || test "x$enable_nfqueue" = "xyes"; then
# libnfnetlink
case $host in
*-*-mingw32*)
;;
*)
AC_ARG_WITH(libnfnetlink_includes,
[ --with-libnfnetlink-includes=DIR libnfnetlink include directory],
[with_libnfnetlink_includes="$withval"],[with_libnfnetlink_includes=no])
AC_ARG_WITH(libnfnetlink_libraries,
[ --with-libnfnetlink-libraries=DIR libnfnetlink library directory],
[with_libnfnetlink_libraries="$withval"],[with_libnfnetlink_libraries="no"])
if test "$with_libnfnetlink_includes" != "no"; then