source: configure.in @ 7fe6dfa

4.0.1-hotfixescachetimestampsdevelopdpdk-ndagetsilivelibtrace4ndag_formatpfringrc-4.0.1rc-4.0.2rc-4.0.3rc-4.0.4ringdecrementfixringperformanceringtimestampfixes
Last change on this file since 7fe6dfa was 7fe6dfa, checked in by Shane Alcock <salcock@…>, 6 years ago

Enforce immediate mode for pcap if available

This will prevent pcap from buffering packets internally, which can really
mess with any real-time analysis (especially since pcap seems to ignore
the timeout (observed in Debian Jessie)).

  • Property mode set to 100644
File size: 21.0 KB
Line 
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],[4.0.0],[contact@wand.net.nz],[libtrace])
7
8LIBTRACE_MAJOR=4
9LIBTRACE_MID=0
10LIBTRACE_MINOR=0
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# *BSD doesn't have strndup. Currently provide our own.
90AC_REPLACE_FUNCS(strndup)
91
92
93# Checks for typedefs, structures, and compiler characteristics.
94AC_C_CONST
95AC_C_INLINE
96AC_C_BIGENDIAN
97AC_TYPE_SIZE_T
98AC_HEADER_TIME
99AC_SYS_LARGEFILE
100
101LIBPKTDUMP_LIBS="-ltrace "
102ADD_LDFLAGS="$ADD_LDFLAGS -L\$(abs_top_srcdir)/lib"
103LIBTRACE_LIBS=""
104TOOLS_LIBS=""
105
106CFLAGS="$CFLAGS -Wall -Wmissing-prototypes -Wextra -DLT_BUILDING_DLL=1"
107CXXFLAGS="$CXXFLAGS -Wall -DLT_BUILDING_DLL=1"
108
109# Check for -fvisibility
110gl_VISIBILITY
111
112gcc_PACKED
113gcc_DEPRECATED
114gcc_UNUSED
115gcc_PURE
116gcc_FORMAT
117
118# Check for gcc style TLS (__thread)
119gcc_TLS
120       
121# Check for libtool
122AC_PROG_LIBTOOL
123
124# Checks for library functions.
125AC_PROG_GCC_TRADITIONAL
126
127# Fail if any of these functions are missing
128AC_CHECK_FUNCS(socket strdup strlcpy strcasecmp strncasecmp snprintf vsnprintf)
129
130AC_CHECK_SIZEOF([long int])
131
132
133# Checks for header files.
134AC_HEADER_STDC
135AC_CHECK_HEADERS(pcap.h pcap-int.h pcap-bpf.h net/bpf.h sys/limits.h stddef.h inttypes.h limits.h net/ethernet.h sys/prctl.h)
136
137
138# OpenSolaris puts ncurses.h in /usr/include/ncurses rather than /usr/include,
139# so check for that
140AC_CHECK_HEADERS(ncurses.h,,[missing_ncurses=true])
141
142if test "x$missing_ncurses" = xtrue; then
143        if test -f "/usr/include/ncurses/ncurses.h"; then
144                AC_DEFINE(HAVE_NCURSES_NCURSES_H,1,[Has nested ncurses header])
145        fi
146fi
147
148
149# Check for the presence of various networking headers and define appropriate
150# macros
151AC_CHECK_HEADERS(netinet/in.h)
152AC_CHECK_HEADERS(netpacket/packet.h,[
153        libtrace_netpacket_packet_h=true
154        AC_DEFINE(HAVE_NETPACKET_PACKET_H,1,[has net])
155])
156AC_CHECK_HEADER(net/if.h,
157        AC_DEFINE(HAVE_NET_IF_H,1,[has net/if.h header]),,[
158 #include <sys/types.h>
159 #include <sys/socket.h>
160])
161
162AC_CHECK_HEADER(netinet/ether.h,
163        AC_DEFINE(HAVE_NETINET_ETHER_H,1,[has netinet/ether.h header]),,[
164 #include <sys/types.h>
165 #include <sys/socket.h>
166 #include <netinet/in.h>
167 #include <net/if.h>
168])
169
170AC_CHECK_HEADER(netinet/if_ether.h,
171        AC_DEFINE(HAVE_NETINET_IF_ETHER_H,1,[has netinet/if_ether.h]),,[
172 #include <sys/types.h>
173 #include <sys/socket.h>
174 #include <netinet/in.h>
175 #include <net/if.h>
176])
177
178AC_CHECK_HEADER(net/if_arp.h,
179        AC_DEFINE(HAVE_NET_IF_ARP_H,1,[has net/if_arp.h]),,[
180 #include <sys/types.h>
181 #include <sys/socket.h>
182 #include <netinet/in.h>
183 #include <net/if.h>
184])
185
186# Check for sdl_len in sockaddr_dl - sockaddr_dl is used on BSD systems
187if test "$libtrace_netpacket_packet_h" != "true"; then
188        AC_CHECK_MEMBER([struct sockaddr_dl.sdl_len],
189                AC_DEFINE(HAVE_SDL_LEN,1,[Has sdl_len in sockaddr_dl]),,[
190 #include <sys/types.h>
191 #include <sys/socket.h>
192 #include <net/if_dl.h>
193                ])
194fi
195
196# Checking for the right bpf header to include
197AC_CHECK_HEADER(pcap-bpf.h)
198AC_CHECK_HEADER(net/bpf.h)
199
200# Checking for libgdc
201AC_CHECK_HEADER(gdc.h,AC_DEFINE(HAVE_LIBGDC,1,[has gdc.h]))
202
203# Check for libwandio (no longer bundled with libtrace)
204AC_CHECK_LIB(wandio,wandio_create,wandiofound=1,wandiofound=0)
205if test "$wandiofound" = 0; then
206        AC_MSG_ERROR(libwandio 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. WANDIO can be obtained from http://research.wand.net.nz/software/libwandio.php)
207else
208        LIBTRACE_LIBS="$LIBTRACE_LIBS -lwandio"
209        TOOLS_LIBS="$TOOLS_LIBS -lwandio"
210        AC_DEFINE([HAVE_LIBWANDIO],1,[compile with libwandio support])
211fi
212
213AC_CHECK_LIB(crypto, EVP_EncryptInit_ex, cryptofound=1, cryptofound=0)
214
215# Check for libpcap
216AC_CHECK_LIB(pcap,pcap_next_ex,pcapfound=1,pcapfound=0)
217AC_CHECK_LIB(pcap,pcap_create,pcapcreate=1,pcapcreate=0)
218AC_CHECK_LIB(pcap,pcap_set_immediate_mode,pcapimmediate=1,pcapimmediate=0)
219AC_CHECK_DECLS([BIOCSETIF],,,[
220#include <sys/types.h>
221#include <sys/time.h>
222#include <sys/ioctl.h>
223#include <net/bpf.h>
224])
225
226AC_ARG_ENABLE(memory-debugging,
227                AS_HELP_STRING(--enable-memory-debugging, prints internal memory statistics),[
228                if test "$HAVE_TLS" = 1
229                then
230                    AC_DEFINE([ENABLE_MEM_STATS], 1, [print debug memory statistics])
231                fi
232],[])
233
234# Configure options for man pages
235AC_ARG_WITH(man,
236            AS_HELP_STRING(--with-man,install man pages by default),[
237             if test "$withval" = yes
238             then
239                     MANPAGES="docs/man/man3/[a-zA-Z]*.3"
240             else
241                     MANPAGES=""
242             fi
243])
244
245# Complain if we didn't find a suitable libpcap
246if test "$pcapfound" = 0; then
247        AC_MSG_ERROR(libpcap0.8 or greater is required to compile libtrace. If you have installed it in a non-standard location please use LDFLAGS to specify the location of the library)
248else
249        TOOL_LIBS="$TOOL_LIBS -lpcap"
250        LIBTRACE_LIBS="$LIBTRACE_LIBS -lpcap"
251        AC_DEFINE([HAVE_LIBPCAP],1,[compile with libpcap support])
252        AC_DEFINE([HAVE_BPF_FILTER],1,[compile with bpf filter support])
253
254        LIBS="-lpcap"
255        AC_CHECK_FUNCS(pcap_inject pcap_sendpacket pcap_setnonblock)
256        LIBS=""
257
258fi
259
260if test "$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        fi
317fi
318
319# TODO: turn the test part of the next block into a function, so it can be
320# called multiple times for $dag_root, /root/dag, /usr/local/lib
321dag_drv_v="DAG not present"
322
323# Now check for 2.4 DAG drivers which don't install as cleanly!
324if test "$with_dag" != no -a "$libtrace_dag" = false; then
325        AC_MSG_CHECKING(whether we have DAG 2.4 API instead)
326
327        if test -r "$dag_root/lib"; then
328                dag_lib_dir="$dag_root/lib"
329        else
330                dag_lib_dir="$dag_root"
331        fi
332       
333        if test -r "$dag_root/include"; then
334                dag_tools_dir="$dag_root/tools"
335                dag_include_dir="$dag_root/include"
336        else
337                dag_tools_dir="$dag_root"
338                dag_include_dir="$dag_root"
339        fi
340
341        if test -r "$dag_include_dir/dagapi.h" -a -r "$dag_lib_dir/libdag.a";
342        then
343                ADD_INCLS="$ADD_INCLS -I $dag_include_dir"
344                ADD_LIBS="$ADD_LIBS -ldag"
345                ADD_LDFLAGS="$ADD_LDFLAGS -L$dag_lib_dir"
346                DAG_TOOLS_DIR=$dag_tools_dir
347                AC_SUBST([DAG_TOOLS_DIR])
348                libtrace_dag=true
349               
350                AC_DEFINE(HAVE_DAG_API, 1, [define if you have the DAG API])
351                AC_DEFINE(HAVE_DAG,1,[conditional for building with DAG live capture support])
352                AC_DEFINE(DAG_VERSION, 24, [defines the DAG driver version])
353                libtrace_dag_version=24
354        else
355                if test "$want_dag" = yes; then
356                        AC_MSG_ERROR(DAG API not found under directory $dag_root
357; use --without-dag)
358                fi
359                libtrace_dag=false
360        fi
361        AC_MSG_RESULT($libtrace_dag)
362
363fi
364
365# Try to determine the DAG driver version
366#if test x"$libtrace_dag" = xtrue; then
367#       dag_drv_v="Unknown"
368#       files=`locate /usr/*dag*/VERSION`
369#       file_count=0
370#
371#       for i in $files; do
372#                if $file_count > 0; then
373#                        dag_drv_v="Indeterminate"
374#                        break
375#                fi
376#                dag_drv_v=`cat $i`
377#                file_count=$file_count+1
378#        done
379#fi
380#DAG_VERSION_NUM=$dag_drv_v
381
382# Check for DPDK
383AC_ARG_WITH(dpdk,
384            AS_HELP_STRING(--with-dpdk,include DPDK live capture support (Must set RTE_SDK/_TARGET environment variable)),
385[
386        if test "$withval" = no
387        then
388            want_dpdk=no
389        else
390            want_dpdk=ifpresent
391        fi
392],[
393        # Default to building without DPDK format
394        want_dpdk=no
395])
396
397libtrace_dpdk=false
398if test "$want_dpdk" != no; then
399    saved_ldflags="$LDFLAGS"
400    # Add to our libpath location
401    LDFLAGS="$LDFLAGS -L$RTE_SDK/$RTE_TARGET/lib/"
402    # Test that the library exists, we cannot be sure of what extra library flags need to be added
403    # this could change in the next version which would make the test fail
404    #AC_CHECK_LIB(intel_dpdk, rte_eal_init, dpdk_found=1, dpdk_found=0, -lpthread -lm -lrt)
405
406    # So instead simply check for existence
407    AC_CHECK_FILE("$RTE_SDK/$RTE_TARGET/lib/libintel_dpdk.a", dpdk_found=1, dpdk_found=0)
408    # Revert back
409    LDFLAGS="$saved_ldflags"
410    if test "$dpdk_found" = 1; then
411        # Save these now so that they can be re-exported later
412                AC_SUBST([RTE_TARGET])
413        AC_SUBST([RTE_SDK])
414        # Force dpdk library to be statically linked to allow compiler optimisations
415        LIBTRACE_LIBS="$LIBTRACE_LIBS -Wl,--whole-archive -Wl,-l:libintel_dpdk.a -Wl,--no-whole-archive -Wl,-lm"
416                AC_DEFINE(HAVE_DPDK,1,[conditional for building with DPDK live capture support])
417                libtrace_dpdk=true
418        fi
419fi
420
421# Check for PACKET_FANOUT (borrowed from Suricata)
422AC_CHECK_DECL([PACKET_FANOUT],
423        AC_DEFINE([HAVE_PACKET_FANOUT],[1],
424        [Recent packet fanout support is available]),
425        [],
426        [[#include <linux/if_packet.h>]])
427
428# If we use DPDK we might be able to use libnuma
429AC_CHECK_LIB(numa, numa_node_to_cpus, have_numa=1, have_numa=0)
430
431# Checks for various "optional" libraries
432AC_CHECK_LIB(pthread, pthread_create, have_pthread=1, have_pthread=0)
433
434AC_CHECK_LIB(pthread, pthread_setname_np, have_pthread_setname_np=1, have_pthread_setname_np=0)
435
436# Check for ncurses
437
438# These libraries have to be explicitly linked in OpenSolaris
439AC_SEARCH_LIBS(getservent, socket, have_socket=1, have_socket=0, -lnsl)
440LIBS=
441
442AC_SEARCH_LIBS(inet_ntop, nsl, have_nsl=1, have_nsl=0, -lsocket)
443LIBS=
444
445# Check to see if we have libdl - *BSD has built-in libdl
446AC_SEARCH_LIBS(dlopen,dl, dlfound=1,dlfound=0 )
447LIBS=
448
449# Check for clock_gettime
450AC_CHECK_LIB(rt, clock_gettime, have_clock_gettime=1, have_clock_gettime=0)
451LIBS=
452
453if test "$have_numa" = 1; then
454        LIBTRACE_LIBS="$LIBTRACE_LIBS -lnuma"
455        AC_DEFINE(HAVE_LIBNUMA, 1, [Set to 1 if libnuma is supported])
456        with_numa=yes
457else
458        AC_DEFINE(HAVE_LIBNUMA, 0, [Set to 1 if libnuma is supported])
459        with_numa=no
460fi
461
462if test "$dlfound" = 0; then
463        AC_MSG_ERROR("Unable to find dlopen. Please use LDFLAGS to specify the location of libdl and re-run configure")
464fi
465
466if test "$ac_cv_search_dlopen" != "none required"; then
467        LIBPKTDUMP_LIBS="$LIBPKTDUMP_LIBS $ac_cv_search_dlopen"
468        if test "$dpdk_found" = 1; then
469                LIBTRACE_LIBS="$LIBTRACE_LIBS -Wl,$ac_cv_search_dlopen"
470        fi
471fi
472
473if test "$have_pthread" = 1; then
474        AC_DEFINE(HAVE_LIBPTHREAD, 1, [Set to 1 if pthreads are supported])
475fi
476
477if test "$have_pthread_setname_np" = 1; then
478        AC_DEFINE(HAVE_PTHREAD_SETNAME_NP, 1, [Set to 1 if pthread_setname_np is found])
479fi
480
481if test "$cryptofound" = 1; then
482        AC_DEFINE(HAVE_LIBCRYPTO, 1, [Set to 1 if libcrypto is available])
483        TOOLS_LIBS="$TOOLS_LIBS -lcrypto"
484        have_crypto=yes
485else
486        have_crypto=no
487fi
488
489if test "$have_nsl" = 1; then
490        if test "$ac_cv_search_inet_ntop" != "none required"; then
491                LIBTRACE_LIBS="$LIBTRACE_LIBS $ac_cv_search_inet_ntop"
492                LIBPKTDUMP_LIBS="$LIBPKTDUMP_LIBS $ac_cv_search_inet_ntop"
493        fi
494fi
495
496if test "$have_socket" = 1; then
497        if test "$ac_cv_search_getservent" != "none required"; then
498                LIBTRACE_LIBS="$LIBTRACE_LIBS $ac_cv_search_getservent"
499                LIBPKTDUMP_LIBS="$LIBPKTDUMP_LIBS $ac_cv_search_getservent"
500        fi
501fi
502
503
504if test "$have_clock_gettime" = 1; then
505        LIBTRACE_LIBS="$LIBTRACE_LIBS -lrt"
506        AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [Set to 1 if clock_gettime is supported])
507        with_clock_gettime=yes
508else
509        AC_DEFINE(HAVE_CLOCK_GETTIME, 0, [Set to 1 if clock_gettime is supported])
510        with_clock_gettime=no
511fi
512
513
514# Stupid AC_SEARCH_LIB appends stuff to LIBS even when I don't want it to, so
515# just set libs to null here to avoid linking against them by default
516LIBS=
517
518# For now, the user has to explicitly ask for the LLVM stuff, as it's a bit
519# rough around the edges :(
520AC_ARG_WITH([llvm],
521        [AC_HELP_STRING([--with-llvm],
522                [support Just In Time compiler])],
523        use_llvm="yes",
524        use_llvm="no")
525JIT=no
526
527# Search for LLVM and the libraries that it requires
528if (test "$use_llvm" != "no"); then
529        AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
530
531        # XXX Hard coding the path is REALLY bad.
532        # llvm-gcc is installed in a stupid place in Debian / Ubuntu. Hard luck
533        # if you've installed it somewhere custom.
534        # Hopefully in future we can replace this with clang, which may or may
535        # not be installed somewhere intelligent.
536        AC_PATH_PROG(LLVM_GCC, llvm-gcc, no, /usr/lib/llvm/llvm/gcc-4.2/bin)
537
538        AC_LANG_PUSH([C++])
539        AC_CHECK_HEADERS([boost/lexical_cast.hpp], boost="yes", boost="no")
540        AC_LANG_POP([C++])
541
542               
543        if test "$boost" = "no"; then
544                AC_MSG_NOTICE([Unabled to find boost libraries.  JIT support disabled.])
545                JIT=no
546        elif test "$LLVM_CONFIG" = "no" ; then
547                AC_MSG_NOTICE([Unable to find llvm-config.  JIT support disabled.])
548                JIT=no
549        elif test "$LLVM_GCC" = "no"; then
550                AC_MSG_NOTICE([Unable to find llvm-gcc.  JIT support disabled.])
551                JIT=no
552        else
553                LIBCXXFLAGS="`$LLVM_CONFIG --cxxflags` $CXXFLAGS"
554                LIBTRACE_LIBS="$LIBRACE_LIBS `$LLVM_CONFIG --libs all`";
555                LDFLAGS="`$LLVM_CONFIG --ldflags` $LDFLAGS";
556                JIT=yes
557                AC_DEFINE(HAVE_LLVM, 1, [Set to 1 if you have LLVM installed])
558        fi
559fi
560
561AC_ARG_WITH([ncurses],
562        AC_HELP_STRING([--with-ncurses], [build tracetop (requires ncurses)]))
563
564AS_IF([test "x$with_ncurses" != "xno"],
565        [AC_SEARCH_LIBS(mvprintw, ncurses, have_ncurses=yes, have_ncurses=no)
566         LIBS=
567        ], [have_ncurses=no])
568
569AS_IF([test "x$have_ncurses" = "xyes"], [
570        if test "$ac_cv_search_mvprintw" != "none required"; then
571                TOOLS_LIBS="$TOOLS_LIBS $ac_cv_search_mvprintw"
572        fi
573        AC_DEFINE(HAVE_NCURSES, 1, "Compiled with ncurses support")
574        with_ncurses=yes],
575
576       
577        [AS_IF([test "x$with_ncurses" = "xyes"],
578                [AC_MSG_ERROR([ncurses requested but not found])])
579        AC_DEFINE(HAVE_NCURSES, 0, "Compiled with ncurses support")
580        with_ncurses=no]
581)
582
583# Define automake conditionals for use in our Makefile.am files
584AM_CONDITIONAL([HAVE_BPF_CAPTURE], [test "$ac_cv_have_decl_BIOCSETIF" = yes ])
585AM_CONDITIONAL([HAVE_DAG], [test "$libtrace_dag" = true])
586AM_CONDITIONAL([HAVE_DPDK], [test "$libtrace_dpdk" = true])
587AM_CONDITIONAL([DAG2_4], [test "$libtrace_dag_version" = 24])
588AM_CONDITIONAL([DAG2_5], [test "$libtrace_dag_version" = 25])
589AM_CONDITIONAL([HAVE_NETPACKET_PACKET_H], [test "$libtrace_netpacket_packet_h" = true])
590AM_CONDITIONAL([HAVE_LIBGDC], [test "$ac_cv_header_gdc_h" = yes])
591AM_CONDITIONAL([HAVE_LLVM], [test "x$JIT" != "xno" ])
592AM_CONDITIONAL([HAVE_NCURSES], [test "x$with_ncurses" != "xno"])
593
594# Check for miscellaneous programs
595AC_CHECK_PROG([libtrace_doxygen], [doxygen], [true], [false])
596
597AM_CONDITIONAL(HAS_DOXYGEN, [test x"$libtrace_doxygen" = xtrue])
598
599# Set all our output variables
600AC_SUBST([LIBTRACE_LIBS])
601AC_SUBST([LIBPKTDUMP_LIBS])
602AC_SUBST([TOOLS_LIBS])
603#AC_SUBST([ADD_LIBS])
604AC_SUBST([ADD_LDFLAGS])
605AC_SUBST([ADD_INCLS])
606AC_SUBST([LTLIBOBJS])
607AC_SUBST([MANPAGES])
608AC_SUBST([PACKAGE_VERSION])
609AC_SUBST([LIBTRACE_MAJOR])
610AC_SUBST([LIBTRACE_MID])
611AC_SUBST([LIBTRACE_MINOR])
612AC_SUBST([DAG_VERSION_NUM])
613AC_SUBST([HAVE_BPF_CAPTURE])
614AC_SUBST([HAVE_LIBGDC])
615AC_SUBST([HAVE_LLVM])
616AC_SUBST([HAVE_NCURSES])
617AC_SUBST([LIBCFLAGS])
618AC_SUBST([LIBCXXFLAGS])
619
620
621# Finally, output our Makefiles
622AC_OUTPUT
623
624# Function for reporting whether an option was set or not
625reportopt() {
626        if test x"$2" = xtrue -o x"$2" = xyes; then
627                AC_MSG_NOTICE([$1: Yes])
628        else
629                AC_MSG_NOTICE([$1: No])
630        fi
631}
632
633
634# Report which configure options were set
635echo
636AC_MSG_NOTICE([Libtrace version $PACKAGE_VERSION])
637if test "$pcapcreate" = 1; then
638        AC_MSG_NOTICE([Compiled with PCAP support: >= 1.0])
639else
640        AC_MSG_NOTICE([Compiled with PCAP support: < 1.0])
641fi
642
643if test x"$libtrace_dag" = xtrue; then
644        if test "$libtrace_dag_version" = 24; then
645                AC_MSG_NOTICE([Compiled with DAG live capture support: 2.4])
646        elif test "$libtrace_dag_version" = 30; then
647                AC_MSG_NOTICE([Compiled with DAG live capture support: 3.0])
648        else
649                AC_MSG_NOTICE([Compiled with DAG live capture support: 2.5])
650        fi     
651else
652        AC_MSG_NOTICE([Compiled with DAG live capture support: No])
653fi
654
655if test x"$libtrace_dpdk" = xtrue; then
656        AC_MSG_NOTICE([Compiled with DPDK live capture support: Yes])
657        reportopt "Compiled with DPDK trace NUMA support" $with_numa
658        reportopt "Compiled with clock_gettime support" $with_clock_gettime
659elif test x"$want_dpdk" != "xno"; then
660#   We don't officially support DPDK so only report failure if the user
661#   explicitly asked for DPDK. That way, we can hopefully keep it hidden
662#   from most users for now...
663
664        AC_MSG_NOTICE([Compiled with DPDK live capture support: No])
665        AC_MSG_NOTICE([Note: Requires DPDK v1.5 or newer])
666fi
667reportopt "Compiled with LLVM BPF JIT support" $JIT
668reportopt "Building man pages/documentation" $libtrace_doxygen
669reportopt "Building tracetop (requires libncurses)" $with_ncurses
670reportopt "Building traceanon with CryptoPan (requires libcrypto)" $have_crypto
671
672# Report any errors relating to missing bison, flex, etc.
673echo
674ac_cv_errcount=0;
675if test -z "$YACC"; then
676        AC_MSG_WARN(bison or yacc not found. Please install bison before continuing)
677        ac_cv_errcount=$((ac_cv_errcount + 1))
678fi
679
680if test "x$LEX" != xflex -a "x$LEX" != xlex; then
681        AC_MSG_WARN(flex or lex not found. Please install flex before continuing)
682        ac_cv_errcount=$((ac_cv_errcount + 1))
683fi
684
685if test $ac_cv_errcount -gt 0; then
686        AC_MSG_ERROR(Critical packages are missing and compilation will fail. Please install the packages listed above and rerun ./configure)
687fi
688
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