#
# Libnet autoconfiguration information file
# Copyright (c) 1998 - 2002 Mike D. Schiffman <mike@infonexus.com>
# Modified by: Ali Abdulkadir <autostart.ini@gmail.com>,
# Joachim Nilsson <troglobit@gmail.com>
# All rights reserved.
#
# Process this file with autoconf to produce a configure script.
AC_INIT([libnet], [1.2], [https://github.com/libnet/libnet/issues],,
[https://github.com/libnet/libnet])
# Visible in resulting configure script, e.g. with ./configure --version
AC_COPYRIGHT([Copyright (C) 1998 - 2019 The libnet Developer Community.])
AC_REVISION(${VERSION})
# the autotools and libtool should be at least these versions
AC_PREREQ([2.69])
LT_PREREQ([2.4.2])
AC_PROG_SHELL
AC_PROG_SED
AC_CHECK_PROGS([CHMOD],[chmod],[true])
AC_CANONICAL_TARGET
AC_CONFIG_SRCDIR([src/libnet_build_ip.c])
AC_CONFIG_MACRO_DIR([m4])
AM_INIT_AUTOMAKE([1.14 foreign subdir-objects no-dependencies dist-zip])
AM_SILENT_RULES([yes])
AC_CONFIG_HEADERS([include/config.h])
AC_CONFIG_FILES([Makefile \
Doxyfile \
libnet-config \
doc/Makefile \
doc/man/Makefile \
doc/man/man1/Makefile \
doc/man/man3/Makefile \
include/Makefile \
include/libnet.h \
libnet.pc \
src/Makefile \
sample/Makefile \
win32/Makefile])
AC_CONFIG_FILES([doc/fixmanpages], [chmod a+x doc/fixmanpages])
# Check for the usual programs
AC_PROG_CC
AC_PROG_INSTALL
AC_USE_SYSTEM_EXTENSIONS
# The default is to use only PIC objects.
# This can still be overwritten with --without-pic
LT_INIT([pic-only])
#
# Check for headers
#
AC_CHECK_HEADERS([sys/sockio.h])
AC_CHECK_FUNCS([gethostbyname2])
AC_CHECK_FUNCS([getifaddrs])
AC_TYPE_UINT16_T
AC_TYPE_UINT32_T
AC_TYPE_UINT64_T
AC_MSG_CHECKING(for socklen_t)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <sys/types.h>
#include <sys/socket.h>
]], [[ socklen_t x; ]])],[have_socklen_t=yes],[have_socklen_t=no])
AS_IF([test "x$have_socklen_t" = "xyes"], [
AC_DEFINE(HAVE_SOCKLEN_T, 1, [define if socklen_t is defined])])
AC_MSG_RESULT($have_socklen_t)
#
# And some custom things
#
AC_LIBNET_ENDIAN_CHECK
AC_SUBST(ENDIANESS)
AC_SUBST(HAVE_PACKET_SOCKET)
AC_SUBST(ADDITIONAL_LIBS)
AC_SUBST(PKG_CONFIG_DEFINES)
AC_SUBST(PKG_CONFIG_LIBS)
AC_SUBST(PKG_CONFIG_CFLAGS)
AC_SUBST(LTLIBOBJS)
# Get link-layer interface type
AC_ARG_WITH(
[link-layer],
[AS_HELP_STRING([--with-link-layer],
[when cross-compiling, one of * from libnet_link_*.c @<:@autodetect@:>@])])
AC_CHECK_HEADERS([net/pfilt.h sys/net/nit.h net/raw.h sys/dlpi.h linux/socket.h])
AC_MSG_CHECKING(link-layer packet interface type)
AS_IF([test -n "${with_link_layer}"], [
AS_CASE([${with_link_layer}],
[bpf], [AC_LIBOBJ([libnet_link_bpf])],
[pf], [AC_LIBOBJ([libnet_link_pf])],
[snit], [AC_LIBOBJ([libnet_link_snit])],
[nit], [AC_LIBOBJ([libnet_link_nit])],
[snoop], [AC_LIBOBJ([libnet_link_snoop])],
[dlpi], [AC_LIBOBJ([libnet_link_dlpi])],
[win32], [AC_LIBOBJ([libnet_link_win32])],
[none], [AC_LIBOBJ([libnet_link_none])],
[linux], [AC_LIBOBJ([libnet_link_linux])
AC_LIBNET_CHECK_PF_PACKET
AC_LIBNET_LINUX_PROCFS],
[AC_MSG_ERROR([Invalid link type "${with_link_layer}"])])
AC_MSG_RESULT(user selected link layer ${with_link_layer})],
[test "${cross_compiling}" != "yes" -a -r /dev/bpf0], [
AC_LIBOBJ([libnet_link_bpf])
AC_MSG_RESULT(found link layer bpf)],
[test "${ac_cv_header_net_pfilt_h}" = "yes"], [
AC_LIBOBJ([libnet_link_pf])
AC_MSG_RESULT(found link layer pf)],
[test "${cross_compiling}" != "yes" -a -r /dev/nit], [
AC_LIBOBJ([libnet_link_snit])
AC_MSG_RESULT(found link layer snit)],
[test "${ac_cv_header_sys_net_nit_h}" = "yes"], [
AC_LIBOBJ([libnet_link_nit])
AC_MSG_RESULT(found link layer nit)],
[test "${ac_cv_header_net_raw_h}" = "yes"], [
AC_LIBOBJ([libnet_link_snoop])
AC_MSG_RESULT(found link layer snoop)],
[test "${ac_cv_header_sys_dlpi_h}" = "yes"], [
AC_LIBOBJ([libnet_link_dlpi])
AC_MSG_RESULT(found link layer dlpi)
AC_DEFINE(HAVE_DLPI, 1, [Define if the <sys/dlpi.h> header exists.])],
[test "${ac_cv_header_linux_socket_h}" = "yes"], [
AC_LIBOBJ([libnet_link_linux])
AC_MSG_RESULT(found link layer linux)
AC_LIBNET_CHECK_PF_PACKET
AC_LIBNET_LINUX_PROCFS],
[test "${cross_compiling}" != "yes" -a -c /dev/bpf0], [
# check again in case not readable
AC_LIBOBJ([libnet_link_bpf])
AC_MSG_RESULT(found link layer bpf)],
[test "${cross_compiling}" != "yes" -a -c /dev/nit], [
# check again in case not readable
AC_LIBOBJ([libnet_link_snit])
AC_MSG_RESULT(found link layer snit)],
[test "$target_os" = "cygwin"], [
AC_LIBOBJ([libnet_link_win32])
AC_MSG_RESULT(found link layer win32 wpcap)],
[test "$host" = "i686-w64-mingw32" -o "x86_64-w64-mingw32" -o "x86_64-pc-mingw64"], [
AC_LIBOBJ([libnet_link_win32])
AC_MSG_RESULT(found link layer win32 @<:@WinPcap@:>@)],[
AC_LIBOBJ([libnet_link_none])
AC_MSG_WARN(could not find a link-layer packet interface)
AC_MSG_WARN(link-layer packet injection will not be available)])
# Check for Doxygen and enable its features.
# For details, see m4/ax_prog_doxygen.m4 and
# http://www.bioinf.uni-freiburg.de/~mmann/HowTo/automake.html#doxygenSupport
DX_DOXYGEN_FEATURE(ON)
DX_DOT_FEATURE(ON)
DX_CHI_FEATURE(OFF)
DX_RTF_FEATURE(OFF)
DX_XML_FEATURE(OFF)
DX_PDF_FEATURE(OFF)
DX_PS_FEATURE(OFF)
DX_CHM_FEATURE(OFF)
DX_HTML_FEATURE(ON)
DX_MAN_FEATURE(ON)
DX_INIT_DOXYGEN(${PACKAGE_NAME}, [${top_builddir}/Doxyfile], [doc])
AM_CONDITIONAL(ENABLE_DOXYGEN,[test "x${DX_FLAG_doc}" = x1])
AM_CONDITIONAL(ENABLE_HTML,[test "x${DX_FLAG_html}" = x1])
AM_CONDITIONAL(ENABLE_MAN,[test "x${DX_FLAG_man}" = x1])
# Check for sample building
AC_MSG_CHECKING([whether to build sample programs])
AC_ARG_ENABLE([samples],
[AS_HELP_STRING([--enable-samples],[do not build sample programs @<:@default=no@:>@])],
[enable_samples=$enableval],
[enable_samples=no]
)
AC_MSG_RESULT([$enable_samples])
AM_CONDITIONAL([ENABLE_SAMPLES], [test "$enable_samples" = "yes"])
# what (not) to do if the user disables shared libraries
AM_CONDITIONAL([COND_SHARED], [test "x$enable_shared" != xno])
# Check and set OS specific parameters
AS_CASE([$target_os],
[*linux*], [
AC_DEFINE(_BSD_SOURCE, 1,
[Define as necessary to "unhide" header symbols.])
AC_DEFINE(_DEFAULT_SOURCE, 1,
[Define as necessary to "unhide" header symbols.])
PKG_CONFIG_DEFINES="-D_BSD_SOURCE -D_DEFAULT_SOURCE"
AC_CHECK_HEADERS(net/ethernet.h, \
PKG_CONFIG_DEFINES="$PKG_CONFIG_DEFINES -DHAVE_NET_ETHERNET_H")
],
[*freebsd*], [
PKG_CONFIG_DEFINES="-DHAVE_SOCKADDR_SA_LEN"
AC_DEFINE(HAVE_SOCKADDR_SA_LEN, 1, [FreeBSD has sa_len in struct sockaddr.])
AC_MSG_CHECKING([FreeBSD version, is SOCK_RAW really raw?])
AC_TRY_COMPILE([#include <sys/param.h>], [
#if (__FreeBSD_version >= 1100030)
return 0;
#else
#error FreeBSD pre-11, SOCK_RAW isn't really raw, see https://www.freebsd.org/cgi/man.cgi?ip(4)#end
#endif],
AC_MSG_RESULT([yes]),
AC_MSG_RESULT([no])
AC_DEFINE(LIBNET_BSD_BYTE_SWAP, 1, [FreeBSD pre-11, libnet must byteswap raw ip_len, ip_off])
PKG_CONFIG_DEFINES="${PKG_CONFIG_DEFINES} -DLIBNET_BSD_BYTE_SWAP")],
[*netbsd*], [
AC_DEFINE(LIBNET_BSD_BYTE_SWAP, 1,
[Define if libnet should byteswap data.])
PKG_CONFIG_DEFINES="-DLIBNET_BSD_BYTE_SWAP"
],
[*openbsd*], [
AC_DEFINE(HAVE_SOCKADDR_SA_LEN, 1,
[Define if the sockaddr structure includes a sa_len member.])
],
[*bsdi*], [
AC_DEFINE(LIBNET_BSD_BYTE_SWAP, 1,
[Define if libnet should byteswap data.])
PKG_CONFIG_DEFINES="-DLIBNET_BSD_BYTE_SWAP"
],
[*darwin*], [
AC_DEFINE(HAVE_SOCKADDR_SA_LEN, 1,
[Define if the sockaddr structure includes a sa_len member.])
AC_DEFINE(LIBNET_BSD_BYTE_SWAP, 1, [Define if libnet should byteswap data.])
PKG_CONFIG_DEFINES="-DHAVE_SOCKADDR_SA_LEN -DLIBNET_BSD_BYTE_SWAP"
],
[*solaris*], [
AC_DEFINE(HAVE_SOLARIS, 1, [Define if we are running on Solaris.])
AC_CHECK_HEADERS(sys/bufmod.h sys/dlpi_ext.h)
AC_MSG_CHECKING(for /dev/dlpi device)
AS_IF([test -c /dev/dlpi], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_DEV_DLPI, 1, [Define if /dev/dlpi is available.])
], [
AC_MSG_RESULT(no)
dir="/dev/dlpi"
AC_MSG_CHECKING(for $dir directory)
AS_IF([test -d $dir], [
AC_MSG_RESULT(yes)
AC_DEFINE_UNQUOTED(DLPI_DEV_PREFIX, "$dir",
[Define if /dev/dlpi is a directory.])
], [
AC_MSG_RESULT(no)
])
])
AC_CHECK_LIB(socket, socket, ,AC_MSG_ERROR(libsocket not found.))
AC_CHECK_LIB(nsl, gethostbyname, ,AC_MSG_ERROR(libnsl not found.))
AC_CHECK_LIB(resolv, hstrerror, ,AC_MSG_ERROR(libresolv not found.))
#
# Broken checksums?
#
AS_CASE([`uname -r`],
[5.4], [
AC_DEFINE(STUPID_SOLARIS_CHECKSUM_BUG, 1,
[Define if our version of Solaris has broken checksums.])
],
[5.5*], [
AC_DEFINE(STUPID_SOLARIS_CHECKSUM_BUG, 1,
[Define if our version of Solaris has broken checksums.])
],
[5.8], [
AC_DEFINE(STUPID_SOLARIS_CHECKSUM_BUG, 1,
[Define if our version of Solaris has broken checksums.])
AC_DEFINE(HAVE_SOLARIS_IPV6, 1,
[Define if our version of Solaris supports IPv6.])
],
[5.9], [
AC_DEFINE(STUPID_SOLARIS_CHECKSUM_BUG, 1,
[Define if our version of Solaris has broken checksums.])
AC_DEFINE(HAVE_SOLARIS_IPV6, 1,
[Define if our version of Solaris supports IPv6.])
],
[5.10 | 5.11 | 5.12], [
AC_DEFINE(HAVE_SOLARIS_IPV6, 1,
[Define if our version of Solaris supports IPv6.])
])
ADDITIONAL_LIBS="-lresolv -lsocket -lnsl"
PKG_CONFIG_LIBS="$PKG_CONFIG_LIBS -lresolv -lsocket -lnsl"
],
[*hpux11*], [
AC_DEFINE(HAVE_HPUX11, 1, [Define if we are building on HP/UX.])
AC_CHECK_HEADERS(sys/dlpi_ext.h)
],
[*cygwin* | *msys*], [
WIN32="yes"
AC_SUBST(WIN32)
CFLAGS="$CFLAGS -mwin32"
AC_CHECK_LIB(packet, PacketSetMode, ,AC_MSG_ERROR(packet lib not found.))
AC_CHECK_LIB(wpcap, pcap_setmode, ,AC_MSG_ERROR(pcap lib not found.))
LIBS="$LIBS -lws2_32"
],
[*mingw*], [
WIN32="yes"
AC_SUBST(WIN32)
AS_IF([test "$enable_shared" = "yes"], [AC_CHECK_TOOL(WINDRES, windres, :)])
AC_DEFINE(WIN32_LEAN_AND_MEAN, 1, [Define to limit the scope of <windows.h>])
AC_CHECK_LIB(packet, PacketSetMode, ,AC_MSG_ERROR(libpacket.a not found. See README.win32 for more information))
AC_CHECK_LIB(wpcap, pcap_setmode, ,AC_MSG_ERROR(libwpcap.a not found. See README.win32 for more information))
LIBS="$LIBS -lws2_32 -liphlpapi"
AS_IF([test "$host" = "i686-w64-mingw32"], [
CFLAGS="$CFLAGS -march=i686 -mwin32"], [
CFLAGS="$CFLAGS -mwin32"
AX_CHECK_LINK_FLAG([-Wl,--high-entropy-va],
[LDFLAGS="$LDFLAGS -Wl,--high-entropy-va"],
[AC_MSG_NOTICE([Consider updating your toolchain.])])
])
AS_IF([test "${cross_compiling}" = "yes"], [
CFLAGS="$CFLAGS -static-libgcc"])
],
[*irix*], [
CFLAGS="$CFLAGS -DINET6=1"
], [
AC_MSG_WARN(${target_os} is not officially supported yet.)
AC_MSG_RESULT(Please report this to ${PACKAGE_BUGREPORT})])
# this only matters if we are building for Windows...
AM_CONDITIONAL([WIN32], [test "${WIN32}" = "yes"])
# Create all files from AC_CONFIG_FILES()
AC_OUTPUT
# Helper variables for summary, below
AS_IF([test ${DX_FLAG_doc} -eq 1], [rebuild_docs=yes], [rebuild_docs=no])
link_layer=`"echo"${LTLIBOBJS}"" | sed 's/.*libnet_link_\(.*\)\$.*/\1/'`
AC_MSG_RESULT([
-=-=-=-=-=-=-=-=-=-= $PACKAGE Configuration Complete =-=-=-=-=-=-=-=-=-=-
Version ....................... ${VERSION}
Host .......................... ${host}
Operating System .............. ${host_os}
Host CPU ...................... ${host_cpu}
Host Vendor ................... ${host_vendor}
Host OS ....................... ${host_os}
Prefix ........................ ${prefix}
Cross-compiling ............... ${cross_compiling}
Compiler is GCC ............... ${ac_cv_c_compiler_gnu}
CC ............................ ${CC}
CFLAGS ........................ ${CFLAGS}
LD ............................ ${LD}
LDFLAGS ....................... ${LDFLAGS}
LIBS .......................... ${LIBS}
Link Layer .................... ${link_layer}
Shared Libraries .............. ${enable_shared}
Static Libraries .............. ${enable_static}
PIC ........................... ${pic_mode}
Build Sample Programs ......... ${enable_samples}
Rebuild docs .................. ${rebuild_docs}
To override options
$0 --help
Report bugs to ${PACKAGE_BUGREPORT}
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
To disable silent build and print the full command line of every stage
make V=1
])
AS_IF([test "$WIN32" = "yes"], [AC_MSG_RESULT(
[To compile shared libraries on MinGW use the bundled WinPcap libraries
in ./win32/. GCC can NOT produce x64 compatible images with official
WinPcap Developer Pack. See README.win32 for more info.
])])
AS_IF([test "$rebuild_docs" = "yes"], [AC_MSG_RESULT(
[To build/update the documentation
make doc
])])
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