source: trunk/configure.in @ 724

Last change on this file since 724 was 724, checked in by perry, 7 years ago

Make format_linux only compile if the machine we're compiling it on supports it.
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1# Process this file with autoconf to produce a configure script.
2
3LIBTRACE_MAJOR=3
4LIBTRACE_MID=0
5LIBTRACE_MINOR=0
6
7AC_INIT(libtrace,3.0.0,[contact@wand.net.nz],libtrace)
8AC_CONFIG_SRCDIR(lib/trace.c)
9AM_INIT_AUTOMAKE(libtrace,3.0.0)
10
11AC_CONFIG_FILES([Makefile lib/Makefile docs/Makefile libpacketdump/Makefile tools/Makefile tools/traceanon/Makefile tools/tracedump/Makefile tools/tracemerge/Makefile tools/tracereport/Makefile tools/tracertstats/Makefile tools/tracesplit/Makefile tools/tracestats/Makefile ])
12dnl GNU C library
13dnl AC_GNU_SOURCE
14
15
16AM_CONFIG_HEADER(config.h)
17#AC_CONFIG_HEADERS([config.h])
18dnl Checks for programs.
19AC_PROG_CC
20AC_PROG_CXX
21AC_PROG_INSTALL
22AC_LIBTOOL_DLOPEN
23AC_PROG_LIBTOOL
24
25AC_CONFIG_LIBOBJ_DIR(lib)
26
27# Checks for typedefs, structures, and compiler characteristics.
28AC_C_CONST
29AC_C_INLINE
30AC_C_BIGENDIAN
31AC_TYPE_SIZE_T
32AC_HEADER_TIME
33AC_SYS_LARGEFILE
34
35# Checks for library functions.
36AC_PROG_GCC_TRADITIONAL
37AC_CHECK_FUNCS(socket strdup)
38
39AC_CHECK_SIZEOF([long int])
40
41
42
43# Check for various broken functions
44AC_FUNC_MALLOC
45AC_FUNC_REALLOC
46
47# *BSD doesn't have strndup. Currently provide our own.
48AC_REPLACE_FUNCS(strndup)
49
50# Checks for header files.
51AC_HEADER_STDC
52dnl AC_CHECK_HEADERS(errno.h stdlib.h stdio.h assert.h string.h netinet/in.h assert.h errno.h fcntl.h net/ethernet.h netdb.h pcap.h stdio.h stdlib.h string.h sys/stat.h sys/types.h sys/socket.h sys/un.h unistd.h time.h sys/ioctl.h net/bpf.h pcap.h zlib.h pcap-bpf.h)
53AC_CHECK_HEADERS(pcap.h pcap-int.h pcap-bpf.h net/bpf.h zlib.h sys/limits.h stddef.h inttypes.h limits.h net/ethernet.h )
54
55AC_CHECK_HEADERS(netinet/in.h)
56AC_CHECK_HEADER(netpacket/packet.h,
57                libtrace_netpacket_packet_h=true
58                AC_DEFINE(HAVE_NETPACKET_PACKET_H,1,[We have netpacket/packet.h]),
59                [libtrace_netpacket_packet_h=false])
60
61AC_CHECK_HEADER(net/if.h,
62                AC_DEFINE(HAVE_NET_IF_H,1,[We have net/if.h]), [],
63[#include <sys/types.h>
64 #include <sys/socket.h>
65])
66
67
68AC_CHECK_HEADER(netinet/ether.h,
69                AC_DEFINE(HAVE_NETINET_ETHER_H,1,[We have netinet/ether.h]
70), [],
71[
72 #include <sys/types.h>
73 #include <sys/socket.h>
74 #include <netinet/in.h>
75 #include <net/if.h>
76])
77
78AC_CHECK_HEADER(netinet/if_ether.h,
79                AC_DEFINE(HAVE_NETINET_IF_ETHER_H,1,[We have netinet/if_ether.h]), [],
80[
81 #include <sys/types.h>
82 #include <sys/socket.h>
83 #include <netinet/in.h>
84 #include <net/if.h>
85])
86
87AC_CHECK_HEADER(net/if_arp.h,
88                AC_DEFINE(HAVE_NET_IF_ARP_H,1,[We have net/if_arp.h]), [],
89[
90 #include <sys/types.h>
91 #include <sys/socket.h>
92 #include <netinet/in.h>
93 #include <net/if.h>
94])
95
96       
97# Checking for the right bpf header to include
98AC_MSG_CHECKING([where the bpf headers are kept])
99echo ""
100bpfh=no
101AC_CHECK_HEADER(pcap-bpf.h,
102        [AC_DEFINE([HAVE_PCAP_BPF_H]) bpfh=pcap-bpf.h])
103if test $bpfh = no; then
104AC_CHECK_HEADER(net/bpf.h,
105        [AC_DEFINE([HAVE_NET_BPF_H]) bpfh=net/bpf.h])
106fi
107
108if test $bpfh = no; then
109  AC_MSG_RESULT([No BPF headers, compiling without support for BPF filters])
110  AC_DEFINE(HAVE_BPF,0,[Conditional for building bpf support])
111  libtrace_bpf=false
112else
113  AC_MSG_RESULT([Using $bpfh])
114  AC_DEFINE(HAVE_BPF,1,[Conditional for building bpf support])
115  libtrace_bpf=true
116fi
117
118
119AC_CHECK_HEADER(gdc.h,
120             [AC_DEFINE(HAVE_GDC_H,1,[Conditional for building with libGDC support]) libtrace_gdc=true],
121             [AC_DEFINE(HAVE_GDC_H,0,[Conditional for building with libGDC support]) libtrace_gdc=false])
122
123
124# Check to see if we have libpcap
125AC_CHECK_LIB(pcap,pcap_open_live,
126             libtrace_pcap=true,
127             libtrace_pcap=false)
128
129if test "$libtrace_pcap" = true; then
130    AC_DEFINE(HAVE_PCAP,1,[Conditional for building PCAP support])
131    ADD_LIBS="$ADD_LIBS  -lpcap"
132else
133    AC_DEFINE(HAVE_PCAP,0,[Conditional for building PCAP support])
134fi     
135
136# Only test for these functions if we have PCAP installed
137        if test "$libtrace_pcap" = true; then
138        # Earlier versions of pcap don't have pcap_open_dead. EG: the one
139        # OpenBSD ships with. Even Debian Woody is more up to date.
140        AC_CHECK_LIB(pcap,pcap_open_dead,
141                have_pcap_open_dead=true,
142                have_pcap_open_dead=false)
143
144        if test "$have_pcap_open_dead" = false; then
145                AC_REPLACE_FUNCS(pcap_open_dead)
146        fi
147   
148        # Versions of libpcap earlier than 0.8 don't have pcap_dump_flush
149        AC_CHECK_LIB(pcap,pcap_dump_flush,
150                     have_pcap_dump_flush=true,
151                     have_pcap_dump_flush=false)
152
153        if test "$have_pcap_dump_flush" = false; then
154                AC_REPLACE_FUNCS(pcap_dump_flush)
155        fi
156fi
157
158
159# configure time options for man pages
160AC_ARG_WITH(man,
161            AC_HELP_STRING([--with-man],
162                           [install man pages by default]),
163
164             if test "$withval" = yes
165             then
166                     MANPAGES="docs/man/man3/[a-zA-Z]*.3]"
167             else
168                     MANPAGES=""
169             fi
170)
171
172# configure time option for building libpacketdump
173# libpacketdump needs a C++ compiler to build, so we should do some tests
174# at this point to see if one is installed
175libtrace_libpacketdump=true
176AC_ARG_ENABLE(libpacketdump,
177              AC_HELP_STRING([--disable-libpacketdump],
178                             [disable building of libpacketdump (enabled by default). libpacketdump needs a c++ compiler to build] ),
179[
180        if test "$enableval" = no -o "$enableval" = false
181        then
182                libtrace_libpacketdump=false
183        else
184                libtrace_libpacketdump=true
185        fi
186],
187[
188        libtrace_libpacketdump=true
189])
190
191if test "$libtrace_libpacketdump" = true; then
192        AC_LANG_PUSH(C++)
193        AC_MSG_CHECKING([if we can compile C++ ])
194        AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
195                           [[
196#include <iostream>
197                           ]])],
198                [AC_DEFINE(HAVE_CXX,1,[define to test for presence of a working C++ compiler]) libtrace_cxx=true],
199                [AC_DEFINE(HAVE_CXX,0,[define to test for presence of a working C++ compiler]) libtrace_cxx=false])
200
201        AC_MSG_RESULT($libtrace_cxx)   
202        AC_LANG_POP(C++)
203
204        if test "$libtrace_cxx" = false; then
205                AC_MSG_ERROR([libpacketdump requested, but no C++ compiler found. Build with --disable-libpacketdump if you wish to continue anyway ])
206        fi
207fi
208
209# configure time option for building the libtrace tools
210# one of the tools requires libpacketdump, so won't build if libpacketdump
211# hasn't also been built
212libtrace_tools=true
213AC_ARG_ENABLE(tools,
214              AC_HELP_STRING([--disable-tools],
215                             [disable building of the tools contained in the tools/ directory]),
216[
217        if test "$enableval" = no -o "$enableval" = false
218        then
219                libtrace_tools=false
220        else
221                libtrace_tools=true
222        fi
223       
224],
225[
226        libtrace_tools=true
227])
228
229# configure time options for use of DAG cards
230# borrowed from libpcap!
231AC_ARG_WITH(dag,
232            AC_HELP_STRING([--with-dag[=DIR]],
233                           [include DAG support (located in directory DIR, if supplied)]),
234[
235        if test "$withval" = no
236        then
237                want_dag=no
238        elif test "$withval" = yes
239        then
240                want_dag=yes
241                dag_root=/root/dag
242        else
243                want_dag=yes
244                dag_root=$withval
245        fi
246],[
247        #
248        # Use DAG API if present, otherwise don't
249        #
250        want_dag=ifpresent
251        dag_root=/root/dag/
252])
253
254# turn the test part of the next block into a function, so it can be
255# called multiple times for $dag_root, /root/dag, /usr/local/lib
256libtrace_dag=false
257libtrace_dag2_4=false
258if test "$with_dag" != no; then
259        AC_MSG_CHECKING(whether we have DAG API)
260
261        if test -r "$dag_root/lib"; then
262                dag_lib_dir="$dag_root/lib"
263        else
264                dag_lib_dir="$dag_root"
265        fi
266       
267        if test -r "$dag_root/tools" -a -r "$dag_root/include"; then
268                dag_tools_dir="$dag_root/tools"
269                dag_include_dir="$dag_root/include"
270        else
271                dag_tools_dir="$dag_root"
272                dag_include_dir="$dag_root"
273        fi
274
275        if test -r "$dag_include_dir/dagapi.h" -a -r "$dag_lib_dir/libdag.a";
276        then
277                ADD_INCLS="$ADD_INCLS -I $dag_include_dir"
278                ADD_LIBS="$ADD_LIBS -ldag"
279                ADD_LDFLAGS="$ADD_LDFLAGS -L$dag_lib_dir"
280                DAG_TOOLS_DIR=$dag_tools_dir
281                AC_SUBST([DAG_TOOLS_DIR])
282                libtrace_dag=true
283               
284                AC_DEFINE(HAVE_DAG_API, 1, [define if you have a DAG API])
285                AC_DEFINE(HAVE_DAG,1,[conditional for building with DAG support])
286        else
287                if test "$want_dag" = yes; then
288                        AC_MSG_ERROR(DAG API not found under directory $dag_root
289; use --without-dag)
290                fi
291                libtrace_dag=false
292        fi
293        AC_MSG_RESULT($libtrace_dag)
294       
295        AC_MSG_CHECKING(if we are using DAG 2.4)
296        if grep '2.4.' $dag_root/VERSION > /dev/null 2>&1; then
297                libtrace_dag2_4=true
298        else
299                libtrace_dag2_4=false
300        fi
301        AC_MSG_RESULT($libtrace_dag2_4)
302else
303        AC_DEFINE(HAVE_DAG,0,[conditional for building with DAG support])
304fi
305
306
307
308
309
310AC_ARG_WITH([zlib],
311    AC_HELP_STRING([--with-zlib],
312                               [name of zlib library (default is z)]),
313        [ac_cv_use_zlib=$withval],
314    [ac_cv_use_zlib=z])
315
316AC_ARG_WITH([zlib-path],
317    AC_HELP_STRING([--with-zlib-path],
318                   [location of zlib library (default is /usr/lib)]),
319    [ac_cv_use_zlib_path=$withval],
320    [ac_cv_use_zlib_path=/usr/lib])
321
322libtrace_zlib=false
323if test "$ac_cv_use_zlib" != no; then
324   
325    zlib_lib_file="${ac_cv_use_zlib_path}/lib${ac_cv_use_zlib}.so"
326
327    # if the library is in /usr/lib/, then just use AC_CHECK_LIB
328    if test x"${ac_cv_use_zlib_path}" == x"/usr/lib"; then
329            AC_CHECK_LIB(${ac_cv_use_zlib}, gzopen,
330                         libtrace_zlib=true,
331                         libtrace_zlib=false)
332    else
333        ADD_LDFLAGS="$ADD_LDFLAGS -L$ac_cv_use_zlib_path"
334        # if it's not in /usr/lib/, check manually. This isn't nice
335        # and will probably break.
336        if test ! -r "$ac_cv_use_zlib_path" -o ! -r "$zlib_lib_file"; then
337                AC_MSG_NOTICE([Cannot find zlib library $zlib_lib_file.])
338                AC_MSG_ERROR([Exiting]);
339        else
340                libtrace_zlib=true
341        fi
342    fi
343fi
344
345if test $libtrace_zlib = true; then
346        ADD_LIBS="$ADD_LIBS -l$ac_cv_use_zlib"
347        AC_DEFINE(HAVE_ZLIB,1,[Conditional for building zlib support])
348else
349        AC_DEFINE(HAVE_ZLIB,0,[Conditional for building zlib support])   
350fi
351
352AM_CONDITIONAL([HAVE_DAG], [test "$libtrace_dag" = true])
353AM_CONDITIONAL([DAG2_4], [test "$libtrace_dag2_4" = true])
354AM_CONDITIONAL([HAVE_CXX], [test "$libtrace_cxx" = true])
355AM_CONDITIONAL([HAVE_ZLIB], [test "$libtrace_zlib" = true])
356AM_CONDITIONAL([HAVE_NETPACKET_PACKET_H], [test "$libtrace_netpacket_packet_h" = true])
357AM_CONDITIONAL([LIBPACKETDUMP], [test "$libtrace_libpacketdump" = true])
358AM_CONDITIONAL([LIBTRACE_TOOLS], [test "$libtrace_tools" = true])
359AM_CONDITIONAL([LIBGDC], [test "$libtrace_gdc" = true])
360
361
362# Check for miscellaneous programs
363AC_CHECK_PROG([libtrace_doxygen], [doxygen], [true], [false])
364
365AM_CONDITIONAL(HAS_DOXYGEN, [test x"$libtrace_doxygen" = xtrue])
366
367
368AC_SUBST([ADD_LIBS])
369AC_SUBST([ADD_LDFLAGS])
370AC_SUBST([ADD_INCLS])
371AC_SUBST([LTLIBOBJS])
372AC_SUBST([MANPAGES])
373
374dnl and finally, output our Makefiles
375AC_OUTPUT
376
377reportopt() {
378        if test x"$2" = xtrue -o x"$2" = xyes; then
379                AC_MSG_NOTICE([$1: Yes])
380        else
381                AC_MSG_NOTICE([$1: No])
382        fi
383}
384
385reportopt "Compiled with BPF filter support" $libtrace_bpf
386reportopt "Compiled with PCAP support" $libtrace_pcap
387reportopt "Compiled with compressed trace (zlib) support" $libtrace_zlib
388reportopt "Compiled with DAG support (libdag)" $libtrace_dag
389reportopt "Compiled with DAG support (DAG 2.4)" $libtrace_dag2_4
390reportopt "Building man pages/documentation" $libtrace_doxygen
391reportopt "Building libpacketdump" $libtrace_libpacketdump
392reportopt "Building tools/ directory" $libtrace_tools
393
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