source: configure.in @ 95ba467

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Last change on this file since 95ba467 was 95ba467, checked in by Shane Alcock <salcock@…>, 20 months ago

Make sure -lpthread is used when linking libtrace.so

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1# Process this file with autoconf to produce a configure script.
2
3# Now you only need to update the version number in two places - below,
4# and in the README
5
6AC_INIT([libtrace],[4.0.6],[contact@wand.net.nz],[libtrace])
7
8LIBTRACE_MAJOR=4
9LIBTRACE_MID=0
10LIBTRACE_MINOR=6
11
12# OpenSolaris hides libraries like libncurses in /usr/gnu/lib, which is not
13# searched by default - add it to LDFLAGS so we at least have a chance of
14# finding it
15if test -d "/usr/gnu/lib"; then
16        LDFLAGS+=" -L/usr/gnu/lib"
17fi
18
19AC_CONFIG_MACRO_DIR([m4])
20AC_CONFIG_SRCDIR(lib/trace.c)
21AM_INIT_AUTOMAKE([subdir-objects])
22
23# Make sure we use the relatively silent automake output
24m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])
25
26# Define our libtrace version number externally so we can use it in the source
27# as well, if needed.
28AC_DEFINE([LIBTRACE_MAJOR],${LIBTRACE_MAJOR},[libtrace major version])
29AC_DEFINE([LIBTRACE_MID],${LIBTRACE_MID},[libtrace mid version])
30AC_DEFINE([LIBTRACE_MINOR],${LIBTRACE_MINOR},[libtrace minor version])
31
32# These are all the files we want to be built for us by configure
33AC_CONFIG_FILES([Makefile lib/Makefile docs/Makefile libpacketdump/Makefile
34        tools/Makefile tools/traceanon/Makefile tools/tracepktdump/Makefile
35        tools/tracemerge/Makefile tools/tracereport/Makefile
36        tools/tracertstats/Makefile tools/tracesplit/Makefile
37        tools/tracestats/Makefile tools/tracetop/Makefile
38        tools/tracereplay/Makefile tools/tracediff/Makefile
39        tools/traceends/Makefile
40        examples/Makefile examples/skeleton/Makefile examples/rate/Makefile
41        examples/stats/Makefile examples/tutorial/Makefile examples/parallel/Makefile
42        docs/libtrace.doxygen
43        lib/libtrace.h
44        ])
45
46
47# Function that checks if the C++ compiler actually works - there's a bit of
48# oversight in autoconf that will set the C++ compiler to g++ if no compiler
49# is found, even if g++ is not present! So we need an extra test to make sure
50# that the compiler works :(
51
52AC_DEFUN([rw_PROG_CXX_WORKS],
53[AC_REQUIRE([AC_PROG_CXX])dnl
54AC_CACHE_CHECK([whether the C++ compiler works],
55        [rw_cv_prog_cxx_works],
56        [AC_LANG_PUSH([C++])
57        AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
58                [rw_cv_prog_cxx_works=yes],
59                [rw_cv_prog_cxx_works=no])
60        AC_LANG_POP([C++])])
61])
62
63# Put all our automake definitions in config.h
64AM_CONFIG_HEADER([config.h])
65
66# Checks for C and C++ compilers
67AC_PROG_CC
68AC_PROG_CXX
69rw_PROG_CXX_WORKS
70
71if test "$rw_cv_prog_cxx_works" = "no"; then
72        AC_MSG_ERROR("Failed to find working C++ compiler")
73fi
74
75# Checking for 'install'
76AC_PROG_INSTALL
77
78# Checking for bison and flex
79AC_CHECK_PROGS(YACC, 'bison -y' byacc yacc)
80AM_PROG_LEX
81
82# All our source files for function replacements are in lib/
83AC_CONFIG_LIBOBJ_DIR(lib)
84
85# Check for various "replacement" functions
86AC_FUNC_MALLOC
87AC_FUNC_REALLOC
88
89# Checks for typedefs, structures, and compiler characteristics.
90AC_C_CONST
91AC_C_INLINE
92AC_C_BIGENDIAN
93AC_TYPE_SIZE_T
94AC_HEADER_TIME
95AC_SYS_LARGEFILE
96
97LIBPKTDUMP_LIBS="-ltrace "
98ADD_LDFLAGS="$ADD_LDFLAGS -L\$(abs_top_srcdir)/lib"
99LIBTRACE_LIBS=""
100TOOLS_LIBS=""
101
102CFLAGS="$CFLAGS -Wall -Wmissing-prototypes -Wextra -DLT_BUILDING_DLL=1"
103CXXFLAGS="$CXXFLAGS -Wall -DLT_BUILDING_DLL=1"
104
105# Check for -fvisibility
106gl_VISIBILITY
107
108gcc_PACKED
109gcc_DEPRECATED
110gcc_UNUSED
111gcc_PURE
112gcc_FORMAT
113
114# Check for gcc style TLS (__thread)
115gcc_TLS
116       
117# Check for libtool
118AC_PROG_LIBTOOL
119
120# Checks for library functions.
121AC_PROG_GCC_TRADITIONAL
122
123# Fail if any of these functions are missing
124AC_CHECK_DECLS([strdup, strlcpy, strcasecmp, strncasecmp, snprintf, vsnprintf, strndup])
125AC_CHECK_DECLS([socket, recvmmsg], [], [], [[#define _GNU_SOURCE 1
126#include <sys/socket.h>]])
127AC_CHECK_SIZEOF([long int])
128
129
130# Checks for header files.
131AC_HEADER_STDC
132AC_CHECK_HEADERS(pcap.h pcap-int.h pcap-bpf.h net/bpf.h sys/limits.h stddef.h inttypes.h limits.h net/ethernet.h sys/prctl.h)
133
134
135# OpenSolaris puts ncurses.h in /usr/include/ncurses rather than /usr/include,
136# so check for that
137AC_CHECK_HEADERS(ncurses.h,,[missing_ncurses=true])
138
139if test "x$missing_ncurses" = xtrue; then
140        if test -f "/usr/include/ncurses/ncurses.h"; then
141                AC_DEFINE(HAVE_NCURSES_NCURSES_H,1,[Has nested ncurses header])
142        fi
143fi
144
145
146# Check for the presence of various networking headers and define appropriate
147# macros
148AC_CHECK_HEADERS(netinet/in.h)
149AC_CHECK_HEADERS(netpacket/packet.h,[
150        libtrace_netpacket_packet_h=true
151        AC_DEFINE(HAVE_NETPACKET_PACKET_H,1,[has net])
152])
153AC_CHECK_HEADER(net/if.h,
154        AC_DEFINE(HAVE_NET_IF_H,1,[has net/if.h header]),,[
155 #include <sys/types.h>
156 #include <sys/socket.h>
157])
158
159AC_CHECK_HEADER(netinet/ether.h,
160        AC_DEFINE(HAVE_NETINET_ETHER_H,1,[has netinet/ether.h header]),,[
161 #include <sys/types.h>
162 #include <sys/socket.h>
163 #include <netinet/in.h>
164 #include <net/if.h>
165])
166
167AC_CHECK_HEADER(netinet/if_ether.h,
168        AC_DEFINE(HAVE_NETINET_IF_ETHER_H,1,[has netinet/if_ether.h]),,[
169 #include <sys/types.h>
170 #include <sys/socket.h>
171 #include <netinet/in.h>
172 #include <net/if.h>
173])
174
175AC_CHECK_HEADER(net/if_arp.h,
176        AC_DEFINE(HAVE_NET_IF_ARP_H,1,[has net/if_arp.h]),,[
177 #include <sys/types.h>
178 #include <sys/socket.h>
179 #include <netinet/in.h>
180 #include <net/if.h>
181])
182
183# Check for sdl_len in sockaddr_dl - sockaddr_dl is used on BSD systems
184if test "$libtrace_netpacket_packet_h" != "true"; then
185        AC_CHECK_MEMBER([struct sockaddr_dl.sdl_len],
186                AC_DEFINE(HAVE_SDL_LEN,1,[Has sdl_len in sockaddr_dl]),,[
187 #include <sys/types.h>
188 #include <sys/socket.h>
189 #include <net/if_dl.h>
190                ])
191fi
192
193# Checking for the right bpf header to include
194AC_CHECK_HEADER(pcap-bpf.h)
195AC_CHECK_HEADER(net/bpf.h)
196
197# Checking for libgdc
198AC_CHECK_HEADER(gdc.h,AC_DEFINE(HAVE_LIBGDC,1,[has gdc.h]))
199
200# Check for libwandio (no longer bundled with libtrace)
201AC_CHECK_LIB(wandio,wandio_wflush,wandiofound=1,wandiofound=0)
202if test "$wandiofound" = 0; then
203        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)
204else
205        LIBTRACE_LIBS="$LIBTRACE_LIBS -lwandio"
206        TOOLS_LIBS="$TOOLS_LIBS -lwandio"
207        AC_DEFINE([HAVE_LIBWANDIO],1,[compile with libwandio support])
208fi
209
210AC_CHECK_LIB(crypto, EVP_EncryptInit_ex, cryptofound=1, cryptofound=0)
211if test "$cryptofound" = 1; then
212        AC_CHECK_HEADER(openssl/evp.h, cryptofound=1, cryptofound=0)
213fi
214AC_CHECK_LIB(tasn1, asn1_array2tree, asn1found=1, asn1found=0)
215
216# Check for libpcap
217AC_CHECK_LIB(pcap,pcap_next_ex,pcapfound=1,pcapfound=0)
218AC_CHECK_LIB(pcap,pcap_create,pcapcreate=1,pcapcreate=0)
219AC_CHECK_LIB(pcap,pcap_set_immediate_mode,pcapimmediate=1,pcapimmediate=0)
220AC_CHECK_DECLS([BIOCSETIF],,,[
221#include <sys/types.h>
222#include <sys/time.h>
223#include <sys/ioctl.h>
224#include <net/bpf.h>
225])
226
227AC_ARG_ENABLE(memory-debugging,
228                AS_HELP_STRING(--enable-memory-debugging, prints internal memory statistics),[
229                if test "$HAVE_TLS" = 1
230                then
231                    AC_DEFINE([ENABLE_MEM_STATS], 1, [print debug memory statistics])
232                fi
233],[])
234
235# Configure options for man pages
236AC_ARG_WITH(man,
237            AS_HELP_STRING(--with-man,install man pages by default),[
238             if test "$withval" = yes
239             then
240                     MANPAGES="docs/man/man3/[a-zA-Z]*.3"
241             else
242                     MANPAGES=""
243             fi
244])
245
246# Complain if we didn't find a suitable libpcap
247if test "$pcapfound" = 0; then
248        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)
249else
250        TOOLS_LIBS="$TOOLS_LIBS -lpcap"
251        LIBTRACE_LIBS="$LIBTRACE_LIBS -lpcap"
252        AC_DEFINE([HAVE_LIBPCAP],1,[compile with libpcap support])
253
254        LIBS="-lpcap"
255        AC_CHECK_FUNCS(pcap_inject pcap_sendpacket pcap_setnonblock)
256        LIBS=""
257
258fi
259
260if test "$pcapcreate" = 1; then
261        AC_DEFINE([HAVE_PCAP_CREATE],1,[compile with libpcap 1.0 support])
262fi
263
264if test "$pcapimmediate" = 1; then
265        AC_DEFINE([HAVE_PCAP_IMMEDIATE],1,[able to use pcap_set_immediate_mode])
266fi       
267
268# Configure options for use of DAG cards
269# Originally borrowed from libpcap, but extended quite a bit :)
270# More details on how this check works:
271#       http://wand.net.nz/trac/libtrace/wiki/DAGNotes
272
273AC_ARG_WITH(dag,
274            AS_HELP_STRING(--with-dag[=DIR],include DAG live capture support (located in directory DIR, if supplied)),
275[
276        if test "$withval" = no
277        then
278                want_dag=no
279        elif test "$withval" = yes
280        then
281                want_dag=yes
282                dag_root=/usr/local/dag
283        else
284                want_dag=yes
285                dag_root=$withval
286        fi
287],[
288        #
289        # Use DAG API if present, otherwise don't
290        #
291        want_dag=ifpresent
292        dag_root=/usr/local/dag
293])
294
295# DAG 3.0 actually puts header files and shared libraries into sensible
296# places now, so we should be able to do a simple CHECK_LIB to see if
297# they're there!
298
299# Addendum: It turns out DAG 2.5 does this too, so we'll match DAG2.5 in here
300# also. This isn't such a bad thing, the DAG2.5 API is essentially the same as
301# DAG 3.0 and libtrace will use the same format_dagXX source for both
302libtrace_dag=false
303libtrace_dag_version=none
304
305if test "$with_dag" != no; then
306        AC_CHECK_LIB(dag, dag_open, dag_found=1, dag_found=0)
307        if test "$dag_found" = 1; then
308                ADD_LIBS="$ADD_LIBS -ldag"
309                LIBTRACE_LIBS="$LIBTRACE_LIBS -ldag"
310                AC_DEFINE(HAVE_DAG_API, 1, [define if you have the DAG API])
311                AC_DEFINE(HAVE_DAG,1,[conditional for building with DAG live capture support])
312                libtrace_dag=true
313               
314                AC_DEFINE(DAG_VERSION,25,[defines the DAG driver version])
315                libtrace_dag_version=25
316
317                AC_CHECK_HEADERS(dag_config_api.h,[csapi_found=1],,)
318                if test "$csapi_found" = 1; then
319                        LIBTRACE_LIBS="$LIBTRACE_LIBS -ldagconf"
320                fi
321        fi     
322fi
323
324# TODO: turn the test part of the next block into a function, so it can be
325# called multiple times for $dag_root, /root/dag, /usr/local/lib
326dag_drv_v="DAG not present"
327
328# Now check for 2.4 DAG drivers which don't install as cleanly!
329if test "$with_dag" != no -a "$libtrace_dag" = false; then
330        AC_MSG_CHECKING(whether we have DAG 2.4 API instead)
331
332        if test -r "$dag_root/lib"; then
333                dag_lib_dir="$dag_root/lib"
334        else
335                dag_lib_dir="$dag_root"
336        fi
337       
338        if test -r "$dag_root/include"; then
339                dag_tools_dir="$dag_root/tools"
340                dag_include_dir="$dag_root/include"
341        else
342                dag_tools_dir="$dag_root"
343                dag_include_dir="$dag_root"
344        fi
345
346        if test -r "$dag_include_dir/dagapi.h" -a -r "$dag_lib_dir/libdag.a";
347        then
348                ADD_INCLS="$ADD_INCLS -I $dag_include_dir"
349                ADD_LIBS="$ADD_LIBS -ldag"
350                ADD_LDFLAGS="$ADD_LDFLAGS -L$dag_lib_dir"
351                DAG_TOOLS_DIR=$dag_tools_dir
352                AC_SUBST([DAG_TOOLS_DIR])
353                libtrace_dag=true
354               
355                AC_DEFINE(HAVE_DAG_API, 1, [define if you have the DAG API])
356                AC_DEFINE(HAVE_DAG,1,[conditional for building with DAG live capture support])
357                AC_DEFINE(DAG_VERSION, 24, [defines the DAG driver version])
358                libtrace_dag_version=24
359        else
360                if test "$want_dag" = yes; then
361                        AC_MSG_ERROR(DAG API not found under directory $dag_root
362; use --without-dag)
363                fi
364                libtrace_dag=false
365        fi
366        AC_MSG_RESULT($libtrace_dag)
367
368fi
369
370# Try to determine the DAG driver version
371#if test x"$libtrace_dag" = xtrue; then
372#       dag_drv_v="Unknown"
373#       files=`locate /usr/*dag*/VERSION`
374#       file_count=0
375#
376#       for i in $files; do
377#                if $file_count > 0; then
378#                        dag_drv_v="Indeterminate"
379#                        break
380#                fi
381#                dag_drv_v=`cat $i`
382#                file_count=$file_count+1
383#        done
384#fi
385#DAG_VERSION_NUM=$dag_drv_v
386
387# Check for DPDK
388AC_ARG_WITH(dpdk,
389            AS_HELP_STRING(--with-dpdk,include DPDK live capture support (From either the RTE_SDK/_TARGET environment variable or the dpdk-dev package)),
390[
391        if test "$withval" = no
392        then
393            want_dpdk=no
394        else
395            want_dpdk=ifpresent
396        fi
397],[
398        # Default to building without DPDK format
399        want_dpdk=no
400])
401
402libtrace_dpdk=false
403if test "$want_dpdk" != no; then
404        # So instead simply check for existence
405        if test "$RTE_SDK" != ""; then
406                AC_CHECK_FILE("$RTE_SDK/$RTE_TARGET/lib/libdpdk.so", dpdk_found="dpdk", dpdk_found=0)
407        fi
408        if test "$dpdk_found" = 0 -a "$RTE_SDK" != ""; then
409                AC_CHECK_FILE("$RTE_SDK/$RTE_TARGET/lib/libintel_dpdk.a", dpdk_found=":libintel_dpdk.a", dpdk_found=0)
410        fi
411        # DPDK 2.1.0+ renames this to libdpdk from libintel_dpdk
412        if test "$dpdk_found" = 0 -a "$RTE_SDK" != ""; then
413                AC_CHECK_FILE("$RTE_SDK/$RTE_TARGET/lib/libdpdk.a", dpdk_found=":libdpdk.a", dpdk_found=0)
414        fi
415        if test "$dpdk_found" = 0 -a "$RTE_SDK" != ""; then
416                AC_CHECK_LIB(dpdk, rte_eth_dev_configure, dpdk_found="dpdk", dpdk_found=0)
417        fi
418        if test "$dpdk_found" != 0 -a "$RTE_SDK" != ""; then
419                # Save these now so that they can be re-exported later
420                AC_SUBST([RTE_TARGET])
421                AC_SUBST([RTE_SDK])
422                # Force dpdk library to be statically linked to allow compiler optimisations
423                LIBTRACE_LIBS="$LIBTRACE_LIBS -Wl,--whole-archive -Wl,-l$dpdk_found -Wl,--no-whole-archive -Wl,-lm"
424                AC_DEFINE(HAVE_DPDK,1,[conditional for building with DPDK live capture support])
425                libtrace_dpdk=true
426        fi
427        if test "$RTE_SDK" = ""; then
428                AC_MSG_NOTICE([No RTE_SDK given, checking for system dpdk-dev package])
429                # Search the system, maybe it is installed? Ethdev is one of the main libraries
430                # On Ubuntu and Debian we can simply check for dpdk.so
431                AC_CHECK_LIB(dpdk, rte_eth_dev_configure, dpdk_found="system", dpdk_found=0)
432                # We also need to check that rte.vars.mk is installed from dpdk-dev (as well as libdpdk-dev)
433                if test "$dpdk_found" != 0 -a -e /usr/share/dpdk/mk/rte.vars.mk ; then
434                        RTE_TARGET="$(uname -m)-default-linuxapp-gcc"
435                        RTE_SDK="/usr/share/dpdk/"
436                        RTE_INCLUDE="/usr/include/dpdk"
437                        AC_SUBST([RTE_TARGET])
438                        AC_SUBST([RTE_SDK])
439                        AC_SUBST([RTE_INCLUDE])
440                        LIBTRACE_LIBS="$LIBTRACE_LIBS -ldpdk"
441                        AC_MSG_NOTICE([Building against system DPDK])
442
443                        AC_DEFINE(HAVE_DPDK,1,[conditional for building with DPDK live capture support])
444                        libtrace_dpdk=true
445                        dpdk_found=system
446                fi
447        fi
448fi
449
450# Check for PACKET_FANOUT (borrowed from Suricata)
451AC_CHECK_DECL([PACKET_FANOUT],
452        AC_DEFINE([HAVE_PACKET_FANOUT],[1],
453        [Recent packet fanout support is available]),
454        [],
455        [[#include <linux/if_packet.h>]])
456
457# If we use DPDK we might be able to use libnuma
458AC_CHECK_LIB(numa, numa_node_to_cpus, have_numa=1, have_numa=0)
459
460# Need libwandder for ETSI live decoding
461AC_CHECK_LIB(wandder, init_wandder_decoder, have_wandder=1, have_wandder=0)
462
463# Checks for various "optional" libraries
464AC_CHECK_LIB(pthread, pthread_create, have_pthread=1, have_pthread=0)
465
466AC_CHECK_LIB(pthread, pthread_setname_np, have_pthread_setname_np=1, have_pthread_setname_np=0)
467
468# Check for ncurses
469
470# These libraries have to be explicitly linked in OpenSolaris
471AC_SEARCH_LIBS(getservent, socket, have_socket=1, have_socket=0, -lnsl)
472LIBS=
473
474AC_SEARCH_LIBS(inet_ntop, nsl, have_nsl=1, have_nsl=0, -lsocket)
475LIBS=
476
477# Check to see if we have libdl - *BSD has built-in libdl
478AC_SEARCH_LIBS(dlopen,dl, dlfound=1,dlfound=0 )
479LIBS=
480
481# Check for clock_gettime
482AC_CHECK_LIB(rt, clock_gettime, have_clock_gettime=1, have_clock_gettime=0)
483LIBS=
484
485if test "$have_numa" = 1; then
486        LIBTRACE_LIBS="$LIBTRACE_LIBS -lnuma"
487        AC_DEFINE(HAVE_LIBNUMA, 1, [Set to 1 if libnuma is supported])
488        with_numa=yes
489else
490        with_numa=no
491fi
492
493if test "$have_wandder" = 1; then
494        LIBTRACE_LIBS="$LIBTRACE_LIBS -lwandder"
495        AC_DEFINE(HAVE_WANDDER, 1, [Set to 1 if libwandder is available])
496        wandder_avail=yes
497else
498        wandder_avail=no
499fi
500
501if test "$dlfound" = 0; then
502        AC_MSG_ERROR("Unable to find dlopen. Please use LDFLAGS to specify the location of libdl and re-run configure")
503fi
504
505if test "$ac_cv_search_dlopen" != "none required"; then
506        LIBPKTDUMP_LIBS="$LIBPKTDUMP_LIBS $ac_cv_search_dlopen"
507        if test "$dpdk_found" != 0; then
508                LIBTRACE_LIBS="$LIBTRACE_LIBS -Wl,$ac_cv_search_dlopen"
509        fi
510fi
511
512if test "$have_pthread" = 1; then
513        AC_DEFINE(HAVE_LIBPTHREAD, 1, [Set to 1 if pthreads are supported])
514        LIBTRACE_LIBS="$LIBTRACE_LIBS -lpthread"
515fi
516
517if test "$have_pthread_setname_np" = 1; then
518        AC_DEFINE(HAVE_PTHREAD_SETNAME_NP, 1, [Set to 1 if pthread_setname_np is found])
519fi
520
521if test "$cryptofound" = 1; then
522        AC_DEFINE(HAVE_LIBCRYPTO, 1, [Set to 1 if libcrypto is available])
523        TOOLS_LIBS="$TOOLS_LIBS -lcrypto"
524        have_crypto=yes
525else
526        have_crypto=no
527fi
528
529if test "$have_nsl" = 1; then
530        if test "$ac_cv_search_inet_ntop" != "none required"; then
531                LIBTRACE_LIBS="$LIBTRACE_LIBS $ac_cv_search_inet_ntop"
532                LIBPKTDUMP_LIBS="$LIBPKTDUMP_LIBS $ac_cv_search_inet_ntop"
533        fi
534fi
535
536if test "$have_socket" = 1; then
537        if test "$ac_cv_search_getservent" != "none required"; then
538                LIBTRACE_LIBS="$LIBTRACE_LIBS $ac_cv_search_getservent"
539                LIBPKTDUMP_LIBS="$LIBPKTDUMP_LIBS $ac_cv_search_getservent"
540        fi
541fi
542
543
544if test "$have_clock_gettime" = 1; then
545        LIBTRACE_LIBS="$LIBTRACE_LIBS -lrt"
546        AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [Set to 1 if clock_gettime is supported])
547        with_clock_gettime=yes
548else
549        with_clock_gettime=no
550fi
551
552
553have_memfd_create=no
554AC_RUN_IFELSE([AC_LANG_PROGRAM([
555#include <sys/syscall.h>
556],[
557#ifndef __NR_memfd_create
558exit(1)
559#endif
560])], [have_memfd_create=yes])
561
562if test "$have_memfd_create" = "yes"; then
563        AC_DEFINE(HAVE_MEMFD_CREATE, 1, [Set to 1 if kernel supports memfd_create syscall])
564fi
565
566# Stupid AC_SEARCH_LIB appends stuff to LIBS even when I don't want it to, so
567# just set libs to null here to avoid linking against them by default
568LIBS=
569
570# For now, the user has to explicitly ask for the LLVM stuff, as it's a bit
571# rough around the edges :(
572AC_ARG_WITH([llvm],
573        [AC_HELP_STRING([--with-llvm],
574                [support Just In Time compiler])],
575        use_llvm="yes",
576        use_llvm="no")
577JIT=no
578
579# Search for LLVM and the libraries that it requires
580if (test "$use_llvm" != "no"); then
581        AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
582
583        # XXX Hard coding the path is REALLY bad.
584        # llvm-gcc is installed in a stupid place in Debian / Ubuntu. Hard luck
585        # if you've installed it somewhere custom.
586        # Hopefully in future we can replace this with clang, which may or may
587        # not be installed somewhere intelligent.
588        AC_PATH_PROG(LLVM_GCC, llvm-gcc, no, /usr/lib/llvm/llvm/gcc-4.2/bin)
589
590        AC_LANG_PUSH([C++])
591        AC_CHECK_HEADERS([boost/lexical_cast.hpp], boost="yes", boost="no")
592        AC_LANG_POP([C++])
593
594               
595        if test "$boost" = "no"; then
596                AC_MSG_NOTICE([Unabled to find boost libraries.  JIT support disabled.])
597                JIT=no
598        elif test "$LLVM_CONFIG" = "no" ; then
599                AC_MSG_NOTICE([Unable to find llvm-config.  JIT support disabled.])
600                JIT=no
601        elif test "$LLVM_GCC" = "no"; then
602                AC_MSG_NOTICE([Unable to find llvm-gcc.  JIT support disabled.])
603                JIT=no
604        else
605                LIBCXXFLAGS="`$LLVM_CONFIG --cxxflags` $CXXFLAGS"
606                LIBTRACE_LIBS="$LIBTRACE_LIBS `$LLVM_CONFIG --libs all`";
607                LDFLAGS="`$LLVM_CONFIG --ldflags` $LDFLAGS";
608                JIT=yes
609                AC_DEFINE(HAVE_LLVM, 1, [Set to 1 if you have LLVM installed])
610        fi
611fi
612
613AC_ARG_WITH([ncurses],
614        AC_HELP_STRING([--with-ncurses], [build tracetop (requires ncurses)]))
615
616AS_IF([test "x$with_ncurses" != "xno"],
617        [AC_SEARCH_LIBS(mvprintw, ncurses, have_ncurses=yes, have_ncurses=no)
618         LIBS=
619        ], [have_ncurses=no])
620
621AS_IF([test "x$have_ncurses" = "xyes"], [
622        if test "$ac_cv_search_mvprintw" != "none required"; then
623                TOOLS_LIBS="$TOOLS_LIBS $ac_cv_search_mvprintw"
624        fi
625        AC_DEFINE(HAVE_NCURSES, 1, "Compiled with ncurses support")
626        with_ncurses=yes],
627
628       
629        [AS_IF([test "x$with_ncurses" = "xyes"],
630                [AC_MSG_ERROR([ncurses requested but not found])])
631        AC_DEFINE(HAVE_NCURSES, 0, "Compiled with ncurses support")
632        with_ncurses=no]
633)
634
635# Define automake conditionals for use in our Makefile.am files
636AM_CONDITIONAL([HAVE_BPF_CAPTURE], [test "$ac_cv_have_decl_BIOCSETIF" = yes ])
637AM_CONDITIONAL([HAVE_DAG], [test "$libtrace_dag" = true])
638AM_CONDITIONAL([HAVE_DPDK], [test "$libtrace_dpdk" = true])
639AM_CONDITIONAL([HAVE_WANDDER], [test "x$wandder_avail" = "xyes"])
640AM_CONDITIONAL([DAG2_4], [test "$libtrace_dag_version" = 24])
641AM_CONDITIONAL([DAG2_5], [test "$libtrace_dag_version" = 25])
642AM_CONDITIONAL([HAVE_NETPACKET_PACKET_H], [test "$libtrace_netpacket_packet_h" = true])
643AM_CONDITIONAL([HAVE_LIBGDC], [test "$ac_cv_header_gdc_h" = yes])
644AM_CONDITIONAL([HAVE_LLVM], [test "x$JIT" != "xno" ])
645AM_CONDITIONAL([HAVE_NCURSES], [test "x$with_ncurses" != "xno"])
646
647# Check for miscellaneous programs
648AC_CHECK_PROG([libtrace_doxygen], [doxygen], [true], [false])
649
650AM_CONDITIONAL(HAS_DOXYGEN, [test x"$libtrace_doxygen" = xtrue])
651
652# Set all our output variables
653AC_SUBST([LIBTRACE_LIBS])
654AC_SUBST([LIBPKTDUMP_LIBS])
655AC_SUBST([TOOLS_LIBS])
656#AC_SUBST([ADD_LIBS])
657AC_SUBST([ADD_LDFLAGS])
658AC_SUBST([ADD_INCLS])
659AC_SUBST([LTLIBOBJS])
660AC_SUBST([MANPAGES])
661AC_SUBST([PACKAGE_VERSION])
662AC_SUBST([LIBTRACE_MAJOR])
663AC_SUBST([LIBTRACE_MID])
664AC_SUBST([LIBTRACE_MINOR])
665AC_SUBST([DAG_VERSION_NUM])
666AC_SUBST([HAVE_BPF_CAPTURE])
667AC_SUBST([HAVE_LIBGDC])
668AC_SUBST([HAVE_LLVM])
669AC_SUBST([HAVE_NCURSES])
670AC_SUBST([LIBCFLAGS])
671AC_SUBST([LIBCXXFLAGS])
672
673
674# Finally, output our Makefiles
675AC_OUTPUT
676
677# Function for reporting whether an option was set or not
678reportopt() {
679        if test x"$2" = xtrue -o x"$2" = xyes; then
680                AC_MSG_NOTICE([$1: Yes])
681        else
682                AC_MSG_NOTICE([$1: No])
683        fi
684}
685
686
687# Report which configure options were set
688echo
689AC_MSG_NOTICE([Libtrace version $PACKAGE_VERSION])
690if test "$pcapcreate" = 1; then
691        AC_MSG_NOTICE([Compiled with PCAP support: >= 1.0])
692else
693        AC_MSG_NOTICE([Compiled with PCAP support: < 1.0])
694fi
695
696if test x"$libtrace_dag" = xtrue; then
697        if test "$libtrace_dag_version" = 24; then
698                AC_MSG_NOTICE([Compiled with DAG live capture support: 2.4])
699        elif test "$libtrace_dag_version" = 30; then
700                AC_MSG_NOTICE([Compiled with DAG live capture support: 3.0])
701        else
702                AC_MSG_NOTICE([Compiled with DAG live capture support: 2.5])
703        fi     
704else
705        AC_MSG_NOTICE([Compiled with DAG live capture support: No])
706fi
707
708if test x"$libtrace_dpdk" = xtrue; then
709        AC_MSG_NOTICE([Compiled with DPDK live capture support: Yes])
710        reportopt "Compiled with DPDK trace NUMA support" $with_numa
711        reportopt "Compiled with clock_gettime support" $with_clock_gettime
712elif test x"$want_dpdk" != "xno"; then
713#   We don't officially support DPDK so only report failure if the user
714#   explicitly asked for DPDK. That way, we can hopefully keep it hidden
715#   from most users for now...
716
717        AC_MSG_NOTICE([Compiled with DPDK live capture support: No])
718        AC_MSG_NOTICE([Note: Requires DPDK v1.5 or newer])
719fi
720reportopt "Compiled with LLVM BPF JIT support" $JIT
721reportopt "Compiled with live ETSI LI support (requires libwandder)" $wandder_avail
722reportopt "Building man pages/documentation" $libtrace_doxygen
723reportopt "Building tracetop (requires libncurses)" $with_ncurses
724reportopt "Building traceanon with CryptoPan (requires libcrypto and openssl/evp.h)" $have_crypto
725
726# Report any errors relating to missing bison, flex, etc.
727echo
728ac_cv_errcount=0;
729if test -z "$YACC"; then
730        AC_MSG_WARN(bison or yacc not found. Please install bison before continuing)
731        ac_cv_errcount=$((ac_cv_errcount + 1))
732fi
733
734if test "x$LEX" != xflex -a "x$LEX" != xlex; then
735        AC_MSG_WARN(flex or lex not found. Please install flex before continuing)
736        ac_cv_errcount=$((ac_cv_errcount + 1))
737fi
738
739if test $ac_cv_errcount -gt 0; then
740        AC_MSG_ERROR(Critical packages are missing and compilation will fail. Please install the packages listed above and rerun ./configure)
741fi
742
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