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configure.in
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configure.in
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# Process this file with autoconf to produce a configure script.
# Now you only need to update the version number in two places - below,
# and in the README
AC_INIT([libtrace],[4.0.16],[[email protected]],[libtrace])
LIBTRACE_MAJOR=4
LIBTRACE_MID=0
LIBTRACE_MINOR=16
# OpenSolaris hides libraries like libncurses in /usr/gnu/lib, which is not
# searched by default - add it to LDFLAGS so we at least have a chance of
# finding it
if test -d "/usr/gnu/lib"; then
LDFLAGS+=" -L/usr/gnu/lib"
fi
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_SRCDIR(lib/trace.c)
AM_INIT_AUTOMAKE([subdir-objects])
# Make sure we use the relatively silent automake output
m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])
# Define our libtrace version number externally so we can use it in the source
# as well, if needed.
AC_DEFINE([LIBTRACE_MAJOR],${LIBTRACE_MAJOR},[libtrace major version])
AC_DEFINE([LIBTRACE_MID],${LIBTRACE_MID},[libtrace mid version])
AC_DEFINE([LIBTRACE_MINOR],${LIBTRACE_MINOR},[libtrace minor version])
# These are all the files we want to be built for us by configure
AC_CONFIG_FILES([Makefile lib/Makefile docs/Makefile libpacketdump/Makefile
tools/Makefile tools/traceanon/Makefile tools/tracepktdump/Makefile
tools/tracemerge/Makefile tools/tracereport/Makefile
tools/tracertstats/Makefile tools/tracesplit/Makefile
tools/tracestats/Makefile tools/tracetop/Makefile
tools/tracereplay/Makefile tools/tracediff/Makefile
tools/traceends/Makefile tools/tracemcast/Makefile
examples/Makefile examples/skeleton/Makefile examples/rate/Makefile
examples/stats/Makefile examples/tutorial/Makefile examples/parallel/Makefile
docs/libtrace.doxygen
lib/libtrace.h
])
# Function that checks if the C++ compiler actually works - there's a bit of
# oversight in autoconf that will set the C++ compiler to g++ if no compiler
# is found, even if g++ is not present! So we need an extra test to make sure
# that the compiler works :(
AC_DEFUN([rw_PROG_CXX_WORKS],
[AC_REQUIRE([AC_PROG_CXX])dnl
AC_CACHE_CHECK([whether the C++ compiler works],
[rw_cv_prog_cxx_works],
[AC_LANG_PUSH([C++])
AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
[rw_cv_prog_cxx_works=yes],
[rw_cv_prog_cxx_works=no])
AC_LANG_POP([C++])])
])
# Put all our automake definitions in config.h
AM_CONFIG_HEADER([config.h])
# Checks for C and C++ compilers
AC_PROG_CC
AC_PROG_CXX
rw_PROG_CXX_WORKS
if test "$rw_cv_prog_cxx_works" = "no"; then
AC_MSG_ERROR("Failed to find working C++ compiler")
fi
# Checking for 'install'
AC_PROG_INSTALL
# Checking for bison and flex
AC_CHECK_PROGS(YACC, 'bison -y' byacc yacc)
AM_PROG_LEX
# All our source files for function replacements are in lib/
AC_CONFIG_LIBOBJ_DIR(lib)
# Check for various "replacement" functions
AC_FUNC_MALLOC
AC_FUNC_REALLOC
# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_C_INLINE
AC_C_BIGENDIAN
AC_TYPE_SIZE_T
AC_HEADER_TIME
AC_SYS_LARGEFILE
LIBPKTDUMP_LIBS="-ltrace "
ADD_LDFLAGS="$ADD_LDFLAGS -L\$(abs_top_srcdir)/lib"
LIBTRACE_LIBS=""
TOOLS_LIBS=""
CFLAGS="$CFLAGS -Wall -Wmissing-prototypes -Wextra -DLT_BUILDING_DLL=1"
CXXFLAGS="$CXXFLAGS -Wall -DLT_BUILDING_DLL=1"
AC_ARG_ENABLE(address-san, AS_HELP_STRING(--enable-address-san, Enable address and memory sanitisation),
[
if test "x$enableval" = xyes ; then
CFLAGS+=" -fsanitize=undefined,leak,address -fno-omit-frame-pointer -ggdb3"
CXXFLAGS+=" -fsanitize=undefined,leak,address -fno-omit-frame-pointer -ggdb3"
LDFLAGS+=" -fsanitize=undefined,leak,address -fno-omit-frame-pointer -ggdb3"
AC_MSG_NOTICE([Compiling with -fsanitize=undefined,leak,address])
AC_MSG_NOTICE([ - Build tests using the command: make address-san])
AC_MSG_NOTICE([ - Programs must also be compiled with -fsanitize=undefined,leak,address])
fi
], [])
AC_ARG_ENABLE(thread-san, AS_HELP_STRING(--enable-thread-san, Enable thread sanitisation),
[
if test "x$enableval" = xyes ; then
if test "x$enable_address_san" = xyes ; then
AC_MSG_ERROR("--enable-address-san and --enable-thread-san cannot be used together")
fi
CFLAGS+=" -fsanitize=thread -fno-omit-frame-pointer -ggdb3"
CXXFLAGS+=" -fsanitize=thread -fno-omit-frame-pointer -ggdb3"
LDFLAGS+=" -fsanitize=thread -fno-omit-frame-pointer -ggdb3"
AC_MSG_NOTICE([Compiling with -fsanitize=thread])
AC_MSG_NOTICE([ - Build tests using the command: make thread-san])
AC_MSG_NOTICE([ - Programs must also be compiled with -fsanitize=thread])
fi
], [])
# Check for -fvisibility
gl_VISIBILITY
gcc_PACKED
gcc_ALIGNED
gcc_DEPRECATED
gcc_UNUSED
gcc_PURE
gcc_FORMAT
# Check for gcc style TLS (__thread)
gcc_TLS
# Check for libtool
AC_PROG_LIBTOOL
# Checks for library functions.
AC_PROG_GCC_TRADITIONAL
# Fail if any of these functions are missing
AC_CHECK_DECLS([strdup, strlcpy, strcasecmp, strncasecmp, snprintf, vsnprintf, strndup, posix_memalign])
AC_CHECK_DECLS([socket, recvmmsg], [], [], [[#define _GNU_SOURCE 1
#include <sys/socket.h>]])
AC_CHECK_SIZEOF([long int])
# Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS(pcap.h pcap-bpf.h net/bpf.h sys/limits.h stddef.h inttypes.h limits.h net/ethernet.h sys/prctl.h)
# OpenSolaris puts ncurses.h in /usr/include/ncurses rather than /usr/include,
# so check for that
AC_CHECK_HEADERS(ncurses.h,,[missing_ncurses=true])
if test "x$missing_ncurses" = xtrue; then
if test -f "/usr/include/ncurses/ncurses.h"; then
AC_DEFINE(HAVE_NCURSES_NCURSES_H,1,[Has nested ncurses header])
fi
fi
# Check for the presence of various networking headers and define appropriate
# macros
AC_CHECK_HEADERS(netinet/in.h)
AC_CHECK_HEADERS(netpacket/packet.h,[
libtrace_netpacket_packet_h=true
AC_DEFINE(HAVE_NETPACKET_PACKET_H,1,[has net])
])
AC_CHECK_HEADER(net/if.h,
AC_DEFINE(HAVE_NET_IF_H,1,[has net/if.h header]),,[
#include <sys/types.h>
#include <sys/socket.h>
])
# Check for linux/ethtool.h
AC_CHECK_HEADER(linux/ethtool.h,
found_ethtool=true,
found_ethtool=false,
)
AC_CHECK_HEADER(netinet/ether.h,
AC_DEFINE(HAVE_NETINET_ETHER_H,1,[has netinet/ether.h header]),,[
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <net/if.h>
])
AC_CHECK_HEADER(netinet/if_ether.h,
AC_DEFINE(HAVE_NETINET_IF_ETHER_H,1,[has netinet/if_ether.h]),,[
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <net/if.h>
])
AC_CHECK_HEADER(net/if_arp.h,
AC_DEFINE(HAVE_NET_IF_ARP_H,1,[has net/if_arp.h]),,[
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <net/if.h>
])
# Check for sdl_len in sockaddr_dl - sockaddr_dl is used on BSD systems
if test "$libtrace_netpacket_packet_h" != "true"; then
AC_CHECK_MEMBER([struct sockaddr_dl.sdl_len],
AC_DEFINE(HAVE_SDL_LEN,1,[Has sdl_len in sockaddr_dl]),,[
#include <sys/types.h>
#include <sys/socket.h>
#include <net/if_dl.h>
])
fi
# Checking for the right bpf header to include
AC_CHECK_HEADER(pcap-bpf.h)
AC_CHECK_HEADER(net/bpf.h)
# Checking for libgdc
AC_CHECK_HEADER(gdc.h,AC_DEFINE(HAVE_LIBGDC,1,[has gdc.h]))
# Check for libwandio (no longer bundled with libtrace)
AC_CHECK_LIB(wandio,wandio_wflush,wandiofound=1,wandiofound=0)
if test "$wandiofound" = 0; then
AC_MSG_ERROR(libwandio 4.0.0 or better is required to compile this version of libtrace. If you have installed libwandio in a non-standard location please use LDFLAGS to specify the location of the library. WANDIO can be obtained from http://research.wand.net.nz/software/libwandio.php)
else
LIBTRACE_LIBS="$LIBTRACE_LIBS -lwandio"
TOOLS_LIBS="$TOOLS_LIBS -lwandio"
AC_DEFINE([HAVE_LIBWANDIO],1,[compile with libwandio support])
fi
AC_CHECK_LIB(crypto, EVP_EncryptInit_ex, cryptofound=1, cryptofound=0)
if test "$cryptofound" = 1; then
AC_CHECK_HEADER(openssl/evp.h, cryptofound=1, cryptofound=0)
fi
AC_CHECK_LIB(yaml, yaml_parser_initialize, yamlfound=1, yamlfound=0)
AC_CHECK_LIB(tasn1, asn1_array2tree, asn1found=1, asn1found=0)
# pgo optimisations
pgo_generate=false
AC_ARG_ENABLE(pgo-generate, AS_HELP_STRING(--enable-pgo-generate, Generate performance guided optimization files),
[
if test x"$enableval" = xyes ; then
pgo_generate=true
AC_CHECK_LIB(gcov, __gcov_init,,AC_MSG_ERROR([gcov is required for pgo optimizations]))
CFLAGS+=" -fprofile-generate -fprofile-update=atomic -lgcov"
CXXFLAGS+=" -fprofile-generate -fprofile-update=atomic -lgcov"
fi
],[])
pgo_build=false
AC_ARG_ENABLE(pgo-build, AS_HELP_STRING(--enable-pgo-build, Build using performance guided optimization files),
[
if test x"$enableval" = xyes ; then
pgo_build=true
AC_CHECK_LIB(gcov, __gcov_init,,AC_MSG_ERROR([gcov is required for pgo optimizations]))
CFLAGS+=" -fprofile-correction -fprofile-use -lgcov"
CXXFLAGS+=" -fprofile-correction -fprofile-use -lgcov"
fi
],[])
systemtap=false
# check if the system has systemtap header
AC_ARG_ENABLE(dtrace, AS_HELP_STRING(--enable-dtrace, Include USDT tracepoints),
[
if test "x$enableval" = xyes ; then
AC_CHECK_HEADER(sys/sdt.h, [systemtap=true], [systemtap=false])
if test "$systemtap" = false; then
AC_MSG_ERROR([systemtap-sdt-dev is required to include USDT tracepoints])
fi
AC_DEFINE(ENABLE_DTRACE, 1, [Set to 1 if libtrace is to be compiled with USDT tracepoints])
else
AC_DEFINE(ENABLE_DTRACE, 0, [Set to 1 if libtrace is to be compiled with USDT tracepoints])
fi
],
[
AC_DEFINE(ENABLE_DTRACE, 0, [Set to 1 if libtrace is to be compiled with USDT tracepoints])
])
# check for xdp requirements.
libtrace_xdp=false
build_ebpf=false
AC_ARG_WITH(xdp, AS_HELP_STRING(--with-xdp, include XDP capture support),
[
if test x"$withval" = xno; then
want_xdp=no
else
want_xdp=yes
fi
],[ want_xdp=ifpresent])
if test "$want_xdp" != no; then
AC_CHECK_LIB(elf, elf_begin, elffound=1, elffound=0)
if test "$elffound" == 1; then
# check for libbpf
AC_CHECK_LIB(bpf, xsk_socket__create, bpffound=1, bpffound=0, -lelf)
if test "$bpffound" = 1; then
AC_DEFINE(HAVE_LIBBPF, 1, [Set to 1 if libbpf is available])
ADD_LDFLAGS="$ADD_LDFLAGS -lbpf -lelf"
libtrace_xdp=true
# check for requirements to build XDP eBPF kernel
AC_CHECK_PROG(CLANG, [clang], [clang], [no])
if test "$CLANG" != "no"; then
AC_SUBST(CLANG)
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 "$LLC" != "no"; then
AC_SUBST(LLC)
build_ebpf=true
fi
fi
else
libtrace_xdp=false
fi
fi
fi
# was xdp build explicitly specified and failed
if test "$want_xdp" = yes -a "$libtrace_xdp" = false; then
AC_MSG_ERROR([libelf and libbpf are required for XDP support])
fi
# was ebpf build explicitly specified and failed
AC_ARG_ENABLE(ebpf-build, AS_HELP_STRING(--enable-ebpf-build, Enable compilation of XDP eBPF kernel),
[
if test "x$enableval" = xyes ; then
if test x"$want_xdp" != xyes -a x"$build_ebpf" = xfalse; then
AC_MSG_ERROR([XDP required for ebpf build, set --with-xdp])
fi
if test x"$build_ebpf" = xfalse; then
AC_MSG_ERROR([clang, llvm and libbpf are required to build the XDP eBPF kernel])
fi
fi
],[])
# Check for libpcap
AC_CHECK_LIB(pcap,pcap_next_ex,pcapfound=1,pcapfound=0)
AC_CHECK_LIB(pcap,pcap_create,pcapcreate=1,pcapcreate=0)
AC_CHECK_LIB(pcap,pcap_set_immediate_mode,pcapimmediate=1,pcapimmediate=0)
AC_CHECK_DECLS([BIOCSETIF],,,[
#include <sys/types.h>
#include <sys/time.h>
#include <sys/ioctl.h>
#include <net/bpf.h>
])
AC_ARG_ENABLE(memory-debugging,
AS_HELP_STRING(--enable-memory-debugging, prints internal memory statistics),[
if test "$HAVE_TLS" = 1 -a "x$enableval" = xyes
then
AC_DEFINE([ENABLE_MEM_STATS], 1, [print debug memory statistics])
fi
],[])
# Configure options for man pages
AC_ARG_WITH(man,
AS_HELP_STRING(--with-man,install man pages by default),[
if test "$withval" = yes
then
MANPAGES="docs/man/man3/[a-zA-Z]*.3"
else
MANPAGES=""
fi
])
# Complain if we didn't find a suitable libpcap
if test "$pcapfound" = 0; then
AC_MSG_ERROR(libpcap0.8 or greater is required to compile libtrace. If you have installed it in a non-standard location please use LDFLAGS to specify the location of the library)
else
TOOLS_LIBS="$TOOLS_LIBS -lpcap"
LIBTRACE_LIBS="$LIBTRACE_LIBS -lpcap"
AC_DEFINE([HAVE_LIBPCAP],1,[compile with libpcap support])
LIBS="-lpcap"
AC_CHECK_FUNCS(pcap_inject pcap_sendpacket pcap_setnonblock)
LIBS=""
fi
if test "$pcapcreate" = 1; then
AC_DEFINE([HAVE_PCAP_CREATE],1,[compile with libpcap 1.0 support])
fi
if test "$pcapimmediate" = 1; then
AC_DEFINE([HAVE_PCAP_IMMEDIATE],1,[able to use pcap_set_immediate_mode])
fi
# Configure options for use of DAG cards
# Originally borrowed from libpcap, but extended quite a bit :)
# More details on how this check works:
# http://wand.net.nz/trac/libtrace/wiki/DAGNotes
AC_ARG_WITH(dag,
AS_HELP_STRING(--with-dag[=DIR],include DAG live capture support (located in directory DIR, if supplied)),
[
if test "$withval" = no
then
want_dag=no
elif test "$withval" = yes
then
want_dag=yes
dag_root=/usr/local/dag
else
want_dag=yes
dag_root=$withval
fi
],[
#
# Use DAG API if present, otherwise don't
#
want_dag=ifpresent
dag_root=/usr/local/dag
])
# DAG 3.0 actually puts header files and shared libraries into sensible
# places now, so we should be able to do a simple CHECK_LIB to see if
# they're there!
# Addendum: It turns out DAG 2.5 does this too, so we'll match DAG2.5 in here
# also. This isn't such a bad thing, the DAG2.5 API is essentially the same as
# DAG 3.0 and libtrace will use the same format_dagXX source for both
libtrace_dag=false
libtrace_dag_version=none
if test "$with_dag" != no; then
AC_CHECK_LIB(dag, dag_open, dag_found=1, dag_found=0)
if test "$dag_found" = 1; then
ADD_LIBS="$ADD_LIBS -ldag"
LIBTRACE_LIBS="$LIBTRACE_LIBS -ldag"
AC_DEFINE(HAVE_DAG_API, 1, [define if you have the DAG API])
AC_DEFINE(HAVE_DAG,1,[conditional for building with DAG live capture support])
libtrace_dag=true
AC_DEFINE(DAG_VERSION,25,[defines the DAG driver version])
libtrace_dag_version=25
AC_CHECK_HEADERS(dag_config_api.h,[csapi_found=1],,)
if test "$csapi_found" = 1; then
LIBTRACE_LIBS="$LIBTRACE_LIBS -ldagconf"
fi
fi
fi
# TODO: turn the test part of the next block into a function, so it can be
# called multiple times for $dag_root, /root/dag, /usr/local/lib
dag_drv_v="DAG not present"
# Now check for 2.4 DAG drivers which don't install as cleanly!
if test "$with_dag" != no -a "$libtrace_dag" = false; then
AC_MSG_CHECKING(whether we have DAG 2.4 API instead)
if test -r "$dag_root/lib"; then
dag_lib_dir="$dag_root/lib"
else
dag_lib_dir="$dag_root"
fi
if test -r "$dag_root/include"; then
dag_tools_dir="$dag_root/tools"
dag_include_dir="$dag_root/include"
else
dag_tools_dir="$dag_root"
dag_include_dir="$dag_root"
fi
if test -r "$dag_include_dir/dagapi.h" -a -r "$dag_lib_dir/libdag.a";
then
ADD_INCLS="$ADD_INCLS -I $dag_include_dir"
ADD_LIBS="$ADD_LIBS -ldag"
ADD_LDFLAGS="$ADD_LDFLAGS -L$dag_lib_dir"
DAG_TOOLS_DIR=$dag_tools_dir
AC_SUBST([DAG_TOOLS_DIR])
libtrace_dag=true
AC_DEFINE(HAVE_DAG_API, 1, [define if you have the DAG API])
AC_DEFINE(HAVE_DAG,1,[conditional for building with DAG live capture support])
AC_DEFINE(DAG_VERSION, 24, [defines the DAG driver version])
libtrace_dag_version=24
else
if test "$want_dag" = yes; then
AC_MSG_ERROR(DAG API not found under directory $dag_root
; use --without-dag)
fi
libtrace_dag=false
fi
AC_MSG_RESULT($libtrace_dag)
fi
# Check for PACKET_FANOUT (borrowed from Suricata)
AC_CHECK_DECL([PACKET_FANOUT],
AC_DEFINE([HAVE_PACKET_FANOUT],[1],
[Recent packet fanout support is available]),
[],
[[#include <linux/if_packet.h>]])
# If we use DPDK we might be able to use libnuma
AC_CHECK_LIB(numa, numa_node_to_cpus, have_numa=1, have_numa=0)
# Need libwandder for ETSI live decoding
AC_CHECK_LIB(wandder, init_wandder_decoder, have_wandder=1, have_wandder=0)
# Checks for various "optional" libraries
AC_CHECK_LIB(pthread, pthread_create, have_pthread=1, have_pthread=0)
AC_CHECK_LIB(pthread, pthread_setname_np, have_pthread_setname_np=1, have_pthread_setname_np=0)
# Try to determine the DAG driver version
#if test x"$libtrace_dag" = xtrue; then
# dag_drv_v="Unknown"
# files=`locate /usr/*dag*/VERSION`
# file_count=0
#
# for i in $files; do
# if $file_count > 0; then
# dag_drv_v="Indeterminate"
# break
# fi
# dag_drv_v=`cat $i`
# file_count=$file_count+1
# done
#fi
#DAG_VERSION_NUM=$dag_drv_v
# Check for PF_RING
AC_ARG_WITH(pfring,
AS_HELP_STRING(--with-pfring,include PF_RING live capture support (if PF_RING libraries are available)),
[
if test "$withval" = no
then
want_pfring=no
else
want_pfring=ifpresent
fi
],[
want_pfring=ifpresent
])
libtrace_pfring=false
if test "$want_pfring" != no; then
# bit annoying that we have to include extra libs to account for
# optional pfring modules that depend on these libs
AC_SEARCH_LIBS(pfring_recv, pfring, pfring_found=1, pfring_found=0,[-lpcap])
if test "$pfring_found" = 1; then
ADD_LIBS="$ADD_LIBS -lpfring"
LIBTRACE_LIBS="$LIBTRACE_LIBS -lpfring"
AC_DEFINE(HAVE_PFRING,1,[conditional for building with DAG live capture support])
libtrace_pfring=true
fi
fi
# Check for ncurses
# These libraries have to be explicitly linked in OpenSolaris
AC_SEARCH_LIBS(getservent, socket, have_socket=1, have_socket=0, -lnsl)
LIBS=
AC_SEARCH_LIBS(inet_ntop, nsl, have_nsl=1, have_nsl=0, -lsocket)
LIBS=
# Check to see if we have libdl - *BSD has built-in libdl
AC_SEARCH_LIBS(dlopen,dl, dlfound=1,dlfound=0 )
LIBS=
# Check for clock_gettime
AC_CHECK_LIB(rt, clock_gettime, have_clock_gettime=1, have_clock_gettime=0)
LIBS=
if test "$have_numa" = 1; then
LIBTRACE_LIBS="$LIBTRACE_LIBS -lnuma"
AC_DEFINE(HAVE_LIBNUMA, 1, [Set to 1 if libnuma is supported])
with_numa=yes
else
with_numa=no
fi
if test "$have_wandder" = 1; then
LIBTRACE_LIBS="$LIBTRACE_LIBS -lwandder"
AC_DEFINE(HAVE_WANDDER, 1, [Set to 1 if libwandder is available])
wandder_avail=yes
else
wandder_avail=no
fi
if test "$dlfound" = 0; then
AC_MSG_ERROR("Unable to find dlopen. Please use LDFLAGS to specify the location of libdl and re-run configure")
fi
if test "$ac_cv_search_dlopen" != "none required"; then
LIBPKTDUMP_LIBS="$LIBPKTDUMP_LIBS $ac_cv_search_dlopen"
if test "$dpdk_found" != 0; then
LIBTRACE_LIBS="$LIBTRACE_LIBS -Wl,$ac_cv_search_dlopen"
fi
fi
if test "$have_pthread" = 1; then
AC_DEFINE(HAVE_LIBPTHREAD, 1, [Set to 1 if pthreads are supported])
LIBTRACE_LIBS="$LIBTRACE_LIBS -lpthread"
fi
if test "$have_pthread_setname_np" = 1; then
AC_DEFINE(HAVE_PTHREAD_SETNAME_NP, 1, [Set to 1 if pthread_setname_np is found])
fi
if test "$cryptofound" = 1; then
AC_DEFINE(HAVE_LIBCRYPTO, 1, [Set to 1 if libcrypto is available])
TOOLS_LIBS="$TOOLS_LIBS -lcrypto"
have_crypto=yes
else
have_crypto=no
fi
if test "$yamlfound" = 1; then
AC_DEFINE(HAVE_LIBYAML, 1, [Set to 1 if libyaml is available])
TOOLS_LIBS="$TOOLS_LIBS -lyaml"
have_yaml=yes
else
have_yaml=no
fi
if test "$have_nsl" = 1; then
if test "$ac_cv_search_inet_ntop" != "none required"; then
LIBTRACE_LIBS="$LIBTRACE_LIBS $ac_cv_search_inet_ntop"
LIBPKTDUMP_LIBS="$LIBPKTDUMP_LIBS $ac_cv_search_inet_ntop"
fi
fi
if test "$have_socket" = 1; then
if test "$ac_cv_search_getservent" != "none required"; then
LIBTRACE_LIBS="$LIBTRACE_LIBS $ac_cv_search_getservent"
LIBPKTDUMP_LIBS="$LIBPKTDUMP_LIBS $ac_cv_search_getservent"
fi
fi
if test "$have_clock_gettime" = 1; then
LIBTRACE_LIBS="$LIBTRACE_LIBS -lrt"
AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [Set to 1 if clock_gettime is supported])
with_clock_gettime=yes
else
with_clock_gettime=no
fi
# Check for DPDK
AC_ARG_WITH(dpdk,
AS_HELP_STRING(--with-dpdk,include DPDK live capture support (From either the RTE_SDK/_TARGET environment variable or the dpdk-dev package)),
[
if test "$withval" = no
then
want_dpdk=no
else
want_dpdk=ifpresent
fi
],[
# Default to building without DPDK format
want_dpdk=no
])
libtrace_dpdk=false
if test "$want_dpdk" != no; then
dpdk_found=0
# So instead simply check for existence
if test "$dpdk_found" = 0 -a "$RTE_SDK" != ""; then
AC_CHECK_FILE("$RTE_SDK/$RTE_TARGET/lib/libdpdk.so", dpdk_found="dpdk", dpdk_found=0)
AC_SUBST(DPDK_STATIC, 0)
fi
if test "$dpdk_found" = 0 -a "$RTE_SDK" != ""; then
AC_CHECK_FILE("$RTE_SDK/$RTE_TARGET/lib/libintel_dpdk.a", dpdk_found=":libintel_dpdk.a", dpdk_found=0)
AC_SUBST(DPDK_STATIC, 1)
fi
# DPDK 2.1.0+ renames this to libdpdk from libintel_dpdk
if test "$dpdk_found" = 0 -a "$RTE_SDK" != ""; then
AC_CHECK_FILE("$RTE_SDK/$RTE_TARGET/lib/libdpdk.a", dpdk_found=":libdpdk.a", dpdk_found=0)
AC_SUBST(DPDK_STATIC, 1)
fi
if test "$dpdk_found" = 0 -a "$RTE_SDK" != ""; then
AC_CHECK_LIB(dpdk, rte_eth_dev_configure, dpdk_found="dpdk", dpdk_found=0)
AC_SUBST(DPDK_STATIC, 0)
fi
if test "$dpdk_found" != 0 -a "$RTE_SDK" != ""; then
# Save these now so that they can be re-exported later
AC_SUBST([RTE_TARGET])
AC_SUBST([RTE_SDK])
# Force dpdk library to be statically linked to allow compiler optimisations
LIBTRACE_LIBS="-Wl,-z,defs $LIBTRACE_LIBS -Wl,--whole-archive -Wl,-l$dpdk_found -Wl,--no-whole-archive"
dpdk_path="$RTE_SDK"
fi
# Look for a DPDK meson build at $RTE_SDK/install or $RTE_SDK/
# or $RTE_SDK/libdpdk.pc using pkg-config
if test "$dpdk_found" = 0 -a "$RTE_SDK" != "" -a -d "$RTE_SDK"; then
AC_MSG_NOTICE(Trying to find a meson DPDK build at $RTE_SDK)
if test -f "$RTE_SDK/install/lib/x86_64-linux-gnu/pkgconfig/libdpdk.pc"; then
export PKG_CONFIG_PATH="$RTE_SDK/install/lib/x86_64-linux-gnu/pkgconfig"
elif test -f "$RTE_SDK/lib/x86_64-linux-gnu/pkgconfig/libdpdk.pc"; then
export PKG_CONFIG_PATH="$RTE_SDK/lib/x86_64-linux-gnu/pkgconfig"
elif test -f "$RTE_SDK/libdpdk.pc"; then
export PKG_CONFIG_PATH="$RTE_SDK"
fi
if test -n "$PKG_CONFIG_PATH" ; then
PKG_PROG_PKG_CONFIG
pkg_config_old="$PKG_CONFIG"
PKG_CONFIG="$PKG_CONFIG --static"
PKG_CHECK_MODULES([DPDK], [libdpdk >= 18], [pkgconf_dpdk_found="yes"],
[pkgconf_dpdk_found="no"])
PKG_CONFIG="$pkg_config_old"
# Add library directory as RUNPATH in library (-R option)
# Used to load the correct DPDK version when not statically linked
DPDK_LIBS="-Wl,-z,defs $(echo $DPDK_LIBS | sed -E 's!-L(/[[^ ]]*)!-R\1 -L\1!g')"
unset PKG_CONFIG_PATH
AC_SUBST(DPDK_STATIC, 1)
fi
fi
# Find the DPDK system package
# We do this last to allow RTE_SDK to override the system library
#
# Dynamic linking against the system's version of DPDK is never easy:
#
# 1) On Ubuntu the linker has --as-needed set by default, this means
# any library which libtrace doesn't directly reference a method from
# is not listed as a dependency to libtrace.so. This causes problems
# for DPDK, DPDK uses .init or .ctors to patch drivers etc into its
# global structures. So libraries need to be loaded simply to register
# themselves.
#
# 2) The answer to this is --no-as-needed, a positional argument, which
# applies to all following arguments/libs. However, libtool *helpfully*
# reorganises the arguments we give it before giving them to the linker.
# To avoid this we need to prefix all libraries with -Wl,-lxxx, so
# libtool leaves them be.
# Hence the ugly sed hack, TODO find something nicer.
#
#
if test "$dpdk_found" = 0 -a n"$RTE_SDK" = n""; then
PKG_PROG_PKG_CONFIG
PKG_CHECK_MODULES([DPDK], [libdpdk >= 18], [pkgconf_dpdk_found="yes"],
[pkgconf_dpdk_found="no"])
AC_SUBST(DPDK_STATIC, 0)
fi
# DPDK has been using pkgconf (user-defined or system path)
if test "$dpdk_found" = 0 -a "x$pkgconf_dpdk_found" = "xyes"; then
#!!Disabled because DPDK still tries to load plugins twice!!
# Try and statically link DPDK into libtrace
# - Prior to DPDK 20.08 requires the -Bstatic flag
# - But, plugins (pmd drivers) get loaded twice and error
# - 20.08 and newer instead provides -l:librte_xx.a
# - This works correctly as is
#case "$DPDK_LIBS" in
# *"-l:"*)
# ;;
# *)
# DPDK_LIBS="-Wl,-Bstatic $DPDK_LIBS -Wl,-Bdynamic"
#esac
# Change -l to -Wl,-l to stop libtool reordering flags like --no-as-needed
DPDK_LIBS="-Wl,--no-as-needed $(echo $DPDK_LIBS | sed 's/ -l/ -Wl,-l/g')"
# Warn about undefined references (-Wl,-z,defs)
# Add libc and libm to the end of the arguments again
# because libtool reorganises library order
DPDK_LIBS="-Wl,-z,defs $DPDK_LIBS -Wl,-lm -Wl,-lc"
LIBTRACE_LIBS="$LIBTRACE_LIBS $DPDK_LIBS"
ADD_INCLS="$ADD_INCLS $DPDK_CFLAGS"
AC_MSG_NOTICE([Building against DPDK using pkg-config])
dpdk_found=pkgconfig
dpdk_path="$(echo $DPDK_LIBS | sed -nE 's/.*-L([[^ ]]*).*/\1/gp')"
if test -z "$dpdk_path" ; then
dpdk_path=system
fi
fi
if test "$dpdk_found" = 0 -a "$RTE_SDK" = ""; then
AC_MSG_NOTICE([No RTE_SDK given, checking for system dpdk-dev package])
# Search the system, maybe it is installed? Ethdev is one of the main libraries
# On Ubuntu and Debian we can simply check for dpdk.so
AC_CHECK_LIB(dpdk, rte_eth_dev_configure, dpdk_found="system", dpdk_found=0)
# We also need to check that rte.vars.mk is installed from dpdk-dev (as well as libdpdk-dev)
if test "$dpdk_found" != 0 -a -e /usr/share/dpdk/mk/rte.vars.mk ; then
# This is terrible, but I'm not sure that there is an easier way for us to figure out what RTE_EXEC_ENV is eventually going to be renamed to by the end of the DPDK build process.
for execenv in linuxapp linux bsdapp freebsd; do
if test -d /usr/share/dpdk/$(uname -m)-default-${execenv}-gcc; then
RTE_TARGET=$(uname -m)-default-${execenv}-gcc
break
fi
done
if test RTE_TARGET != ""; then
RTE_SDK="/usr/share/dpdk/"
RTE_INCLUDE="/usr/include/dpdk"
AC_SUBST([RTE_TARGET])
AC_SUBST([RTE_SDK])
AC_SUBST([RTE_INCLUDE])
LIBTRACE_LIBS="$LIBTRACE_LIBS -ldpdk"
AC_MSG_NOTICE([Building against system DPDK])
dpdk_found=system
dpdk_path=system
AC_SUBST(DPDK_STATIC, 0)
fi
fi
fi
if test "$dpdk_found" != 0; then
AC_DEFINE(HAVE_DPDK,1,[conditional for building with DPDK live capture support])
libtrace_dpdk=true
fi
if test "$dpdk_found" = 0 -a "$with_dpdk" = "yes"; then
AC_MSG_ERROR("Unable to find DPDK on system. Build halted -- consider re-running configure with '--with-dpdk=no'.")
fi
fi
have_memfd_create=no
AC_RUN_IFELSE([AC_LANG_PROGRAM([
#include <sys/syscall.h>
],[
#ifndef __NR_memfd_create
exit(1)
#endif
])], [have_memfd_create=yes])
if test "$have_memfd_create" = "yes"; then
AC_DEFINE(HAVE_MEMFD_CREATE, 1, [Set to 1 if kernel supports memfd_create syscall])
fi
# Stupid AC_SEARCH_LIB appends stuff to LIBS even when I don't want it to, so
# just set libs to null here to avoid linking against them by default
LIBS=
# For now, the user has to explicitly ask for the LLVM stuff, as it's a bit
# rough around the edges :(
AC_ARG_WITH([llvm],
[AC_HELP_STRING([--with-llvm],
[support Just In Time compiler])],
use_llvm="yes",
use_llvm="no")
JIT=no
# Search for LLVM and the libraries that it requires
if (test "$use_llvm" != "no"); then
AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
# XXX Hard coding the path is REALLY bad.
# llvm-gcc is installed in a stupid place in Debian / Ubuntu. Hard luck
# if you've installed it somewhere custom.
# Hopefully in future we can replace this with clang, which may or may
# not be installed somewhere intelligent.
AC_PATH_PROG(LLVM_GCC, llvm-gcc, no, /usr/lib/llvm/llvm/gcc-4.2/bin)
AC_LANG_PUSH([C++])
AC_CHECK_HEADERS([boost/lexical_cast.hpp], boost="yes", boost="no")
AC_LANG_POP([C++])
if test "$boost" = "no"; then
AC_MSG_NOTICE([Unabled to find boost libraries. JIT support disabled.])
JIT=no
elif test "$LLVM_CONFIG" = "no" ; then
AC_MSG_NOTICE([Unable to find llvm-config. JIT support disabled.])
JIT=no
elif test "$LLVM_GCC" = "no"; then
AC_MSG_NOTICE([Unable to find llvm-gcc. JIT support disabled.])
JIT=no
else
LIBCXXFLAGS="`$LLVM_CONFIG --cxxflags` $CXXFLAGS"
LIBTRACE_LIBS="$LIBTRACE_LIBS `$LLVM_CONFIG --libs all`";
LDFLAGS="`$LLVM_CONFIG --ldflags` $LDFLAGS";
JIT=yes
AC_DEFINE(HAVE_LLVM, 1, [Set to 1 if you have LLVM installed])
fi
fi
AC_ARG_WITH([ncurses],
AC_HELP_STRING([--with-ncurses], [build tracetop (requires ncurses)]))
AS_IF([test "x$with_ncurses" != "xno"],
[AC_SEARCH_LIBS(mvprintw, ncurses, have_ncurses=yes, have_ncurses=no)
LIBS=
], [have_ncurses=no])
AS_IF([test "x$have_ncurses" = "xyes"], [
if test "$ac_cv_search_mvprintw" != "none required"; then
TOOLS_LIBS="$TOOLS_LIBS $ac_cv_search_mvprintw"
fi
AC_DEFINE(HAVE_NCURSES, 1, "Compiled with ncurses support")
with_ncurses=yes],
[AS_IF([test "x$with_ncurses" = "xyes"],
[AC_MSG_ERROR([ncurses requested but not found])])
AC_DEFINE(HAVE_NCURSES, 0, "Compiled with ncurses support")
with_ncurses=no]
)
# Define automake conditionals for use in our Makefile.am files
AM_CONDITIONAL([HAVE_BPF_CAPTURE], [test "$ac_cv_have_decl_BIOCSETIF" = yes ])
AM_CONDITIONAL([HAVE_DAG], [test "$libtrace_dag" = true])
AM_CONDITIONAL([HAVE_PFRING], [test "$libtrace_pfring" = true])
AM_CONDITIONAL([HAVE_DPDK], [test "$libtrace_dpdk" = true])
AM_CONDITIONAL([HAVE_WANDDER], [test "x$wandder_avail" = "xyes"])
AM_CONDITIONAL([DAG2_4], [test "$libtrace_dag_version" = 24])
AM_CONDITIONAL([DAG2_5], [test "$libtrace_dag_version" = 25])
AM_CONDITIONAL([HAVE_NETPACKET_PACKET_H], [test "$libtrace_netpacket_packet_h" = true])
AM_CONDITIONAL([HAVE_LIBGDC], [test "$ac_cv_header_gdc_h" = yes])
AM_CONDITIONAL([HAVE_LLVM], [test "x$JIT" != "xno" ])
AM_CONDITIONAL([HAVE_NCURSES], [test "x$with_ncurses" != "xno"])
AM_CONDITIONAL([HAVE_YAML], [test "x$have_yaml" != "xno"])
AM_CONDITIONAL([HAVE_DPDK_PKGCONFIG], [test "x$dpdk_found" = "xpkgconfig"])
AM_CONDITIONAL([HAVE_LIBBPF], [test "x$libtrace_xdp" = "xtrue"])
AM_CONDITIONAL([BUILD_EBPF], [test "x$build_ebpf" = "xtrue"])
AM_CONDITIONAL([ENABLE_DTRACE], [test "x$systemtap" = "xtrue"])
AM_CONDITIONAL([HAVE_LINUX_ETHTOOL_H], [test "x$found_ethtool" = "xtrue"])
# Check for miscellaneous programs
AC_CHECK_PROG([libtrace_doxygen], [doxygen], [true], [false])
AM_CONDITIONAL(HAS_DOXYGEN, [test x"$libtrace_doxygen" = xtrue])
# Set all our output variables
AC_SUBST([LIBTRACE_LIBS])
AC_SUBST([LIBPKTDUMP_LIBS])
AC_SUBST([TOOLS_LIBS])
#AC_SUBST([ADD_LIBS])
AC_SUBST([ADD_LDFLAGS])
AC_SUBST([ADD_INCLS])
AC_SUBST([LTLIBOBJS])
AC_SUBST([MANPAGES])
AC_SUBST([PACKAGE_VERSION])
AC_SUBST([LIBTRACE_MAJOR])
AC_SUBST([LIBTRACE_MID])
AC_SUBST([LIBTRACE_MINOR])
AC_SUBST([DAG_VERSION_NUM])
AC_SUBST([HAVE_BPF_CAPTURE])
AC_SUBST([HAVE_LIBGDC])
AC_SUBST([HAVE_LLVM])
AC_SUBST([HAVE_NCURSES])
AC_SUBST([LIBCFLAGS])
AC_SUBST([LIBCXXFLAGS])
# Finally, output our Makefiles
AC_OUTPUT
# Function for reporting whether an option was set or not
reportopt() {
if test x"$2" = xtrue -o x"$2" = xyes; then
AC_MSG_NOTICE([$1: Yes])
else
AC_MSG_NOTICE([$1: No])
fi
}
# Report which configure options were set
echo
AC_MSG_NOTICE([Libtrace version $PACKAGE_VERSION])
if test "$pcapcreate" = 1; then
AC_MSG_NOTICE([Compiled with PCAP support: >= 1.0])
else
AC_MSG_NOTICE([Compiled with PCAP support: < 1.0])
fi
if test x"$libtrace_dag" = xtrue; then
if test "$libtrace_dag_version" = 24; then
AC_MSG_NOTICE([Compiled with DAG live capture support: 2.4])
elif test "$libtrace_dag_version" = 30; then
AC_MSG_NOTICE([Compiled with DAG live capture support: 3.0])