source: configure.in @ 0af7a7a

4.0.1-hotfixescachetimestampsdevelopdpdk-ndagetsilivegetfragoffhelplibtrace4ndag_formatpfringrc-4.0.1rc-4.0.2rc-4.0.3rc-4.0.4ringdecrementfixringperformanceringtimestampfixes
Last change on this file since 0af7a7a was 0af7a7a, checked in by Shane Alcock <salcock@…>, 10 years ago
  • Updated version number to 3.0.11
  • Property mode set to 100644
File size: 17.2 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],[3.0.11],[contact@wand.net.nz],[libtrace])
7
8LIBTRACE_MAJOR=3
9LIBTRACE_MID=0
10LIBTRACE_MINOR=11
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
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],${LIBTRACE_MINOR},[libtrace minor version])
31
32# These are all the files we want to be built for us by configure
33AC_CONFIG_FILES([Makefile lib/Makefile docs/Makefile libpacketdump/Makefile
34        tools/Makefile tools/traceanon/Makefile tools/tracepktdump/Makefile
35        tools/tracemerge/Makefile tools/tracereport/Makefile
36        tools/tracertstats/Makefile tools/tracesplit/Makefile
37        tools/tracestats/Makefile tools/tracetop/Makefile
38        tools/tracereplay/Makefile tools/tracediff/Makefile
39        examples/Makefile examples/skeleton/Makefile examples/rate/Makefile
40        examples/stats/Makefile examples/tutorial/Makefile
41        docs/libtrace.doxygen
42        lib/libtrace.h
43        ])
44
45
46# Function that checks if the C++ compiler actually works - there's a bit of
47# oversight in autoconf that will set the C++ compiler to g++ if no compiler
48# is found, even if g++ is not present! So we need an extra test to make sure
49# that the compiler works :(
50
51AC_DEFUN([rw_PROG_CXX_WORKS],
52[AC_REQUIRE([AC_PROG_CXX])dnl
53AC_CACHE_CHECK([whether the C++ compiler works],
54        [rw_cv_prog_cxx_works],
55        [AC_LANG_PUSH([C++])
56        AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
57                [rw_cv_prog_cxx_works=yes],
58                [rw_cv_prog_cxx_works=no])
59        AC_LANG_POP([C++])])
60])
61
62# Put all our automake definitions in config.h
63AM_CONFIG_HEADER([config.h])
64
65# Checks for C and C++ compilers
66AC_PROG_CC
67AC_PROG_CXX
68rw_PROG_CXX_WORKS
69
70if test "$rw_cv_prog_cxx_works" = "no"; then
71        AC_MSG_ERROR("Failed to find working C++ compiler")
72fi
73
74# Checking for 'install'
75AC_PROG_INSTALL
76
77# Checking for bison and flex
78AC_CHECK_PROGS(YACC, 'bison -y' byacc yacc)
79AM_PROG_LEX
80
81# All our source files for function replacements are in lib/
82AC_CONFIG_LIBOBJ_DIR(lib)
83
84# Check for various "replacement" functions
85AC_FUNC_MALLOC
86AC_FUNC_REALLOC
87
88# *BSD doesn't have strndup. Currently provide our own.
89AC_REPLACE_FUNCS(strndup)
90
91
92# Checks for typedefs, structures, and compiler characteristics.
93AC_C_CONST
94AC_C_INLINE
95AC_C_BIGENDIAN
96AC_TYPE_SIZE_T
97AC_HEADER_TIME
98AC_SYS_LARGEFILE
99
100LIBPKTDUMP_LIBS="-ltrace "
101ADD_LDFLAGS="$ADD_LDFLAGS -L\$(abs_top_srcdir)/lib"
102LIBTRACE_LIBS=""
103TOOLS_LIBS=""
104
105# Set our C compiler flags based on the gcc version
106if test "$GCC" = "yes"; then
107       
108        gcc_version=`gcc -dumpversion`
109
110        # This is probably not the most reliable way to test whether our
111        # compiler supports visibility, but it's better than nothing
112        #
113        # According to the gcc wiki - http://gcc.gnu.org/wiki/Visibility -
114        # visibility is supported in gcc 4.0 or later, so we just need to
115        # check the major version number
116
117        major=${gcc_version%\.*\.*}
118
119        if test "$major" -lt 4; then
120                vis=no
121        else
122                vis=yes
123        fi
124       
125        CFLAGS="$CFLAGS -Wall -Wmissing-prototypes"
126        CXXFLAGS="$CXXFLAGS -Wall"
127        LIBCFLAGS="$CFLAGS"
128        LIBCFLAGS="$LIBCFLAGS -DLT_BUILDING_DLL=1"
129        LIBCXXFLAGS="$CXXFLAGS"
130        LIBCXXFLAGS="$CXXFLAGS -DLT_BUILDING_DLL=1"
131       
132        if test "$vis" = "yes"; then
133                LIBCFLAGS="$LIBCFLAGS -Wextra -fvisibility=hidden"
134                LIBCXXFLAGS="$CXXFLAGS -Wextra -fvisibility=hidden"
135        fi
136fi
137
138# Check for libtool
139AC_PROG_LIBTOOL
140
141# Checks for library functions.
142AC_PROG_GCC_TRADITIONAL
143
144# Fail if any of these functions are missing
145AC_CHECK_FUNCS(socket strdup strlcpy strcasecmp strncasecmp snprintf vsnprintf)
146
147AC_CHECK_SIZEOF([long int])
148
149
150# Checks for header files.
151AC_HEADER_STDC
152AC_CHECK_HEADERS(pcap.h pcap-int.h pcap-bpf.h net/bpf.h sys/limits.h stddef.h inttypes.h limits.h net/ethernet.h sys/prctl.h)
153
154
155# OpenSolaris puts ncurses.h in /usr/include/ncurses rather than /usr/include,
156# so check for that
157AC_CHECK_HEADERS(ncurses.h,,[missing_ncurses=true])
158
159if test "x$missing_ncurses" = xtrue; then
160        if test -f "/usr/include/ncurses/ncurses.h"; then
161                AC_DEFINE(HAVE_NCURSES_NCURSES_H,1,[Has nested ncurses header])
162        fi
163fi
164
165
166# Check for the presence of various networking headers and define appropriate
167# macros
168AC_CHECK_HEADERS(netinet/in.h)
169AC_CHECK_HEADERS(netpacket/packet.h,[
170        libtrace_netpacket_packet_h=true
171        AC_DEFINE(HAVE_NETPACKET_PACKET_H,1,[has net])
172])
173AC_CHECK_HEADER(net/if.h,
174        AC_DEFINE(HAVE_NET_IF_H,1,[has net/if.h header]),,[
175 #include <sys/types.h>
176 #include <sys/socket.h>
177])
178
179AC_CHECK_HEADER(netinet/ether.h,
180        AC_DEFINE(HAVE_NETINET_ETHER_H,1,[has netinet/ether.h header]),,[
181 #include <sys/types.h>
182 #include <sys/socket.h>
183 #include <netinet/in.h>
184 #include <net/if.h>
185])
186
187AC_CHECK_HEADER(netinet/if_ether.h,
188        AC_DEFINE(HAVE_NETINET_IF_ETHER_H,1,[has netinet/if_ether.h]),,[
189 #include <sys/types.h>
190 #include <sys/socket.h>
191 #include <netinet/in.h>
192 #include <net/if.h>
193])
194
195AC_CHECK_HEADER(net/if_arp.h,
196        AC_DEFINE(HAVE_NET_IF_ARP_H,1,[has net/if_arp.h]),,[
197 #include <sys/types.h>
198 #include <sys/socket.h>
199 #include <netinet/in.h>
200 #include <net/if.h>
201])
202
203# Check for sdl_len in sockaddr_dl - sockaddr_dl is used on BSD systems
204if test "$libtrace_netpacket_packet_h" != "true"; then
205        AC_CHECK_MEMBER([struct sockaddr_dl.sdl_len],
206                AC_DEFINE(HAVE_SDL_LEN,1,[Has sdl_len in sockaddr_dl]),,[
207 #include <sys/types.h>
208 #include <sys/socket.h>
209 #include <net/if_dl.h>
210                ])
211fi
212
213# Checking for the right bpf header to include
214AC_CHECK_HEADER(pcap-bpf.h)
215AC_CHECK_HEADER(net/bpf.h)
216
217# Checking for libgdc
218AC_CHECK_HEADER(gdc.h,AC_DEFINE(HAVE_LIBGDC,1,[has gdc.h]))
219
220# Check for libpcap
221AC_CHECK_LIB(pcap,pcap_next_ex,pcapfound=1,pcapfound=0)
222AC_CHECK_FUNCS(pcap_inject pcap_sendpacket pcap_setnonblock)
223AC_CHECK_DECLS([BIOCSETIF],,,[
224#include <sys/types.h>
225#include <sys/time.h>
226#include <sys/ioctl.h>
227#include <net/bpf.h>
228])
229
230# Configure options for man pages
231AC_ARG_WITH(man,
232            AS_HELP_STRING(--with-man,install man pages by default),[
233             if test "$withval" = yes
234             then
235                     MANPAGES="docs/man/man3/[a-zA-Z]*.3"
236             else
237                     MANPAGES=""
238             fi
239])
240
241# Complain if we didn't find a suitable libpcap
242if test "$pcapfound" = 0; then
243        AC_MSG_ERROR(libpcap0.8 or greater is required to compile libtrace. If you have installed it in a non-standard location please use LDFLAGS to specify the location of the library)
244else
245        TOOL_LIBS="$TOOL_LIBS -lpcap"
246        LIBTRACE_LIBS="$LIBTRACE_LIBS -lpcap"
247        AC_DEFINE([HAVE_LIBPCAP],1,[compile with libpcap support])
248        AC_DEFINE([HAVE_BPF_FILTER],1,[compile with bpf filter support])
249fi
250
251# Configure options for use of DAG cards
252# Originally borrowed from libpcap, but extended quite a bit :)
253# More details on how this check works:
254#       http://wand.net.nz/trac/libtrace/wiki/DAGNotes
255
256AC_ARG_WITH(dag,
257            AS_HELP_STRING(--with-dag[=DIR],include DAG live capture support (located in directory DIR, if supplied)),
258[
259        if test "$withval" = no
260        then
261                want_dag=no
262        elif test "$withval" = yes
263        then
264                want_dag=yes
265                dag_root=/usr/local/dag
266        else
267                want_dag=yes
268                dag_root=$withval
269        fi
270],[
271        #
272        # Use DAG API if present, otherwise don't
273        #
274        want_dag=ifpresent
275        dag_root=/usr/local/dag
276])
277
278# DAG 3.0 actually puts header files and shared libraries into sensible
279# places now, so we should be able to do a simple CHECK_LIB to see if
280# they're there!
281
282# Addendum: It turns out DAG 2.5 does this too, so we'll match DAG2.5 in here
283# also. This isn't such a bad thing, the DAG2.5 API is essentially the same as
284# DAG 3.0 and libtrace will use the same format_dagXX source for both
285libtrace_dag=false
286libtrace_dag_version=none
287
288if test "$with_dag" != no; then
289        AC_CHECK_LIB(dag, dag_open, dag_found=1, dag_found=0)
290        if test "$dag_found" = 1; then
291                ADD_LIBS="$ADD_LIBS -ldag"
292                LIBTRACE_LIBS="$LIBTRACE_LIBS -ldag"
293                AC_DEFINE(HAVE_DAG_API, 1, [define if you have the DAG API])
294                AC_DEFINE(HAVE_DAG,1,[conditional for building with DAG live capture support])
295                libtrace_dag=true
296               
297                AC_DEFINE(DAG_VERSION,25,[defines the DAG driver version])
298                libtrace_dag_version=25
299        fi
300fi
301
302# TODO: turn the test part of the next block into a function, so it can be
303# called multiple times for $dag_root, /root/dag, /usr/local/lib
304dag_drv_v="DAG not present"
305
306# Now check for 2.4 DAG drivers which don't install as cleanly!
307if test "$with_dag" != no -a "$libtrace_dag" = false; then
308        AC_MSG_CHECKING(whether we have DAG 2.4 API instead)
309
310        if test -r "$dag_root/lib"; then
311                dag_lib_dir="$dag_root/lib"
312        else
313                dag_lib_dir="$dag_root"
314        fi
315       
316        if test -r "$dag_root/include"; then
317                dag_tools_dir="$dag_root/tools"
318                dag_include_dir="$dag_root/include"
319        else
320                dag_tools_dir="$dag_root"
321                dag_include_dir="$dag_root"
322        fi
323
324        if test -r "$dag_include_dir/dagapi.h" -a -r "$dag_lib_dir/libdag.a";
325        then
326                ADD_INCLS="$ADD_INCLS -I $dag_include_dir"
327                ADD_LIBS="$ADD_LIBS -ldag"
328                ADD_LDFLAGS="$ADD_LDFLAGS -L$dag_lib_dir"
329                DAG_TOOLS_DIR=$dag_tools_dir
330                AC_SUBST([DAG_TOOLS_DIR])
331                libtrace_dag=true
332               
333                AC_DEFINE(HAVE_DAG_API, 1, [define if you have the DAG API])
334                AC_DEFINE(HAVE_DAG,1,[conditional for building with DAG live capture support])
335                AC_DEFINE(DAG_VERSION, 24, [defines the DAG driver version])
336                libtrace_dag_version=24
337        else
338                if test "$want_dag" = yes; then
339                        AC_MSG_ERROR(DAG API not found under directory $dag_root
340; use --without-dag)
341                fi
342                libtrace_dag=false
343        fi
344        AC_MSG_RESULT($libtrace_dag)
345
346fi
347
348# Try to determine the DAG driver version
349#if test x"$libtrace_dag" = xtrue; then
350#       dag_drv_v="Unknown"
351#       files=`locate /usr/*dag*/VERSION`
352#       file_count=0
353#
354#       for i in $files; do
355#                if $file_count > 0; then
356#                        dag_drv_v="Indeterminate"
357#                        break
358#                fi
359#                dag_drv_v=`cat $i`
360#                file_count=$file_count+1
361#        done
362#fi
363#DAG_VERSION_NUM=$dag_drv_v
364
365have_ncurses=yes
366
367# Checks for various "optional" libraries
368AC_CHECK_LIB(z, deflate, have_zlib=1, have_zlib=0)
369AC_CHECK_LIB(bz2, BZ2_bzDecompressInit, have_bzip=1, have_bzip=0)
370AC_CHECK_LIB(lzo2, lzo1x_1_compress, have_lzo=1, have_lzo=0)
371AC_CHECK_LIB(pthread, pthread_create, have_pthread=1, have_pthread=0)
372
373# Check for ncurses
374AC_SEARCH_LIBS(mvprintw, ncurses, have_ncurses=yes, have_ncurses=no)
375LIBS=
376
377# These libraries have to be explicitly linked in OpenSolaris
378AC_SEARCH_LIBS(getservent, socket, have_socket=1, have_socket=0, -lnsl)         
379LIBS=
380
381AC_SEARCH_LIBS(inet_ntop, nsl, have_nsl=1, have_nsl=0, -lsocket)
382LIBS=
383
384# Check to see if we have libdl - *BSD has built-in libdl
385AC_SEARCH_LIBS(dlopen,dl, dlfound=1,dlfound=0 )
386LIBS=
387
388if test "$dlfound" = 0; then
389        AC_MSG_ERROR("Unable to find dlopen. Please use LDFLAGS to specify the location of libdl and re-run configure")
390fi
391
392if test "$ac_cv_search_dlopen" != "none required"; then
393        LIBPKTDUMP_LIBS="$LIBPKTDUMP_LIBS $ac_cv_search_dlopen"
394fi
395
396
397if test "$have_zlib" = 1; then
398        LIBTRACE_LIBS="$LIBTRACE_LIBS -lz"
399        AC_DEFINE(HAVE_LIBZ, 1, [Set to 1 if zlib is supported])
400fi
401
402if test "$have_bzip" = 1; then
403        LIBTRACE_LIBS="$LIBTRACE_LIBS -lbz2"
404        AC_DEFINE(HAVE_LIBBZ2, 1, [Set to 1 if bzip2 is supported])
405fi
406
407if test "$have_lzo" = 1; then
408        LIBTRACE_LIBS="$LIBTRACE_LIBS -llzo2"
409        AC_DEFINE(HAVE_LIBLZO2, 1, [Set to 1 if lzo2 is supported])
410fi
411
412if test "$have_pthread" = 1; then
413        LIBTRACE_LIBS="$LIBTRACE_LIBS -lpthread"
414        AC_DEFINE(HAVE_LIBPTHREAD, 1, [Set to 1 if pthreads are supported])
415fi
416
417if test "$have_ncurses" = "yes"; then
418        if test "$ac_cv_search_mvprintw" != "none required"; then
419                TOOLS_LIBS="$TOOLS_LIBS $ac_cv_search_mvprintw"
420        fi
421fi
422
423if test "$have_nsl" = 1; then
424        if test "$ac_cv_search_inet_ntop" != "none required"; then
425                LIBTRACE_LIBS="$LIBTRACE_LIBS $ac_cv_search_inet_ntop"
426                LIBPKTDUMP_LIBS="$LIBPKTDUMP_LIBS $ac_cv_search_inet_ntop"
427        fi
428fi
429
430if test "$have_socket" = 1; then
431        if test "$ac_cv_search_getservent" != "none required"; then
432                LIBTRACE_LIBS="$LIBTRACE_LIBS $ac_cv_search_getservent"
433                LIBPKTDUMP_LIBS="$LIBPKTDUMP_LIBS $ac_cv_search_getservent"
434        fi
435fi
436
437
438# Stupid AC_SEARCH_LIB appends stuff to LIBS even when I don't want it to, so
439# just set libs to null here to avoid linking against them by default
440LIBS=
441
442
443# For now, the user has to explicitly ask for the LLVM stuff, as it's a bit
444# rough around the edges :(
445AC_ARG_WITH([llvm],
446        [AC_HELP_STRING([--with-llvm],
447                [support Just In Time compiler])],
448        use_llvm="yes",
449        use_llvm="no")
450JIT=no
451
452# Search for LLVM and the libraries that it requires
453if (test "$use_llvm" != "no"); then
454        AC_PATH_PROG(LLVM_CONFIG, llvm-config, no)
455
456        # XXX Hard coding the path is REALLY bad.
457        # llvm-gcc is installed in a stupid place in Debian / Ubuntu. Hard luck
458        # if you've installed it somewhere custom.
459        # Hopefully in future we can replace this with clang, which may or may
460        # not be installed somewhere intelligent.
461        AC_PATH_PROG(LLVM_GCC, llvm-gcc, no, /usr/lib/llvm/llvm/gcc-4.2/bin)
462
463        AC_LANG_PUSH([C++])
464        AC_CHECK_HEADERS([boost/lexical_cast.hpp], boost="yes", boost="no")
465        AC_LANG_POP([C++])
466
467               
468        if test "$boost" = "no"; then
469                AC_MSG_NOTICE([Unabled to find boost libraries.  JIT support disabled.])
470                JIT=no
471        elif test "$LLVM_CONFIG" = "no" ; then
472                AC_MSG_NOTICE([Unable to find llvm-config.  JIT support disabled.])
473                JIT=no
474        elif test "$LLVM_GCC" = "no"; then
475                AC_MSG_NOTICE([Unable to find llvm-gcc.  JIT support disabled.])
476                JIT=no
477        else
478                LIBCXXFLAGS="`$LLVM_CONFIG --cxxflags` $CXXFLAGS"
479                LIBTRACE_LIBS="$LIBRACE_LIBS `$LLVM_CONFIG --libs all`";
480                LDFLAGS="`$LLVM_CONFIG --ldflags` $LDFLAGS";
481                JIT=yes
482                AC_DEFINE(HAVE_LLVM, 1, [Set to 1 if you have LLVM installed])
483        fi
484fi
485
486
487# Define automake conditionals for use in our Makefile.am files
488AM_CONDITIONAL([HAVE_BPF_CAPTURE], [test "$ac_cv_have_decl_BIOCSETIF" = yes ])
489AM_CONDITIONAL([HAVE_DAG], [test "$libtrace_dag" = true])
490AM_CONDITIONAL([DAG2_4], [test "$libtrace_dag_version" = 24])
491AM_CONDITIONAL([DAG2_5], [test "$libtrace_dag_version" = 25])
492AM_CONDITIONAL([HAVE_ZLIB], [test "$have_zlib" = 1])
493AM_CONDITIONAL([HAVE_BZLIB], [test "$have_bzip" = 1])
494AM_CONDITIONAL([HAVE_LZO], [test "$have_lzo" = 1])
495AM_CONDITIONAL([HAVE_NETPACKET_PACKET_H], [test "$libtrace_netpacket_packet_h" = true])
496AM_CONDITIONAL([HAVE_LIBGDC], [test "$ac_cv_header_gdc_h" = yes])
497AM_CONDITIONAL([HAVE_LLVM], [test "x$JIT" != "xno" ])
498AM_CONDITIONAL([HAVE_NCURSES], [test "x$have_ncurses" = "xyes"])
499
500# Check for miscellaneous programs
501AC_CHECK_PROG([libtrace_doxygen], [doxygen], [true], [false])
502
503AM_CONDITIONAL(HAS_DOXYGEN, [test x"$libtrace_doxygen" = xtrue])
504
505# Set all our output variables
506AC_SUBST([LIBTRACE_LIBS])
507AC_SUBST([LIBPKTDUMP_LIBS])
508AC_SUBST([TOOLS_LIBS])
509#AC_SUBST([ADD_LIBS])
510AC_SUBST([ADD_LDFLAGS])
511AC_SUBST([ADD_INCLS])
512AC_SUBST([LTLIBOBJS])
513AC_SUBST([MANPAGES])
514AC_SUBST([PACKAGE_VERSION])
515AC_SUBST([LIBTRACE_MAJOR])
516AC_SUBST([LIBTRACE_MID])
517AC_SUBST([LIBTRACE_MINOR])
518AC_SUBST([DAG_VERSION_NUM])
519AC_SUBST([HAVE_BPF_CAPTURE])
520AC_SUBST([HAVE_LIBGDC])
521AC_SUBST([HAVE_LLVM])
522AC_SUBST([HAVE_NCURSES])
523AC_SUBST([LIBCFLAGS])
524AC_SUBST([LIBCXXFLAGS])
525
526
527# Finally, output our Makefiles
528AC_OUTPUT
529
530# Function for reporting whether an option was set or not
531reportopt() {
532        if test x"$2" = xtrue -o x"$2" = xyes; then
533                AC_MSG_NOTICE([$1: Yes])
534        else
535                AC_MSG_NOTICE([$1: No])
536        fi
537}
538
539
540# Report which configure options were set
541echo
542AC_MSG_NOTICE([Libtrace version $PACKAGE_VERSION])
543reportopt "Compiled with PCAP 0.8 support" $ac_cv_lib_pcap_pcap_next_ex
544reportopt "Compiled with compressed trace (zlib) support" $ac_cv_lib_z_deflate
545reportopt "Compiled with compressed trace (bz2) support" $ac_cv_lib_bz2_BZ2_bzDecompressInit
546reportopt "Compiled with compressed trace (lzo write only) support" $ac_cv_lib_lzo2_lzo1x_1_compress
547if test x"$libtrace_dag" = xtrue; then
548        if test "$libtrace_dag_version" = 24; then
549                AC_MSG_NOTICE([Compiled with DAG live capture support: 2.4])
550        elif test "$libtrace_dag_version" = 30; then
551                AC_MSG_NOTICE([Compiled with DAG live capture support: 3.0])
552        else
553                AC_MSG_NOTICE([Compiled with DAG live capture support: 2.5])
554        fi     
555else
556        AC_MSG_NOTICE([Compiled with DAG live capture support: No])
557fi
558reportopt "Compiled with LLVM BPF JIT support" $JIT
559reportopt "Building man pages/documentation" $libtrace_doxygen
560reportopt "Building tracetop (requires libncurses)" $have_ncurses
561
562# Report any errors relating to missing bison, flex, etc.
563echo
564ac_cv_errcount=0;
565if test -z "$YACC"; then
566        AC_MSG_WARN(bison or yacc not found. Please install bison before continuing)
567        ac_cv_errcount=$((ac_cv_errcount + 1))
568fi
569
570if test -z "$LEXLIB"; then
571        AC_MSG_WARN(flex or lex not found. Please install flex before continuing)
572        ac_cv_errcount=$((ac_cv_errcount + 1))
573fi
574
575if test $ac_cv_errcount -gt 0; then
576        AC_MSG_ERROR(Critical packages are missing and compilation will fail. Please install the packages listed above and rerun ./configure)
577fi
578
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