Split code to generate "rwx-----" strings into lib/permstring.c so it
[rsync/rsync.git] / configure.in
1 dnl Process this file with autoconf to produce a configure script.
2
3 AC_INIT()
4 AC_CONFIG_SRCDIR([byteorder.h])
5 AC_CONFIG_HEADER(config.h)
6 AC_PREREQ(2.52)
7
8 LDFLAGS=${LDFLAGS-""}
9
10 AC_CANONICAL_TARGET([])
11
12 dnl Checks for programs.
13 AC_PROG_CC
14 AC_PROG_CPP
15 AC_PROG_INSTALL
16 AC_SUBST(SHELL)
17
18 RSYNC_VERSION=2.4.7pre3
19 AC_SUBST(RSYNC_VERSION)
20 AC_DEFINE_UNQUOTED(RSYNC_VERSION, ["$RSYNC_VERSION"], [rsync release version])
21
22 # compile with optimisation and without debugging by default, unless
23 # --debug is given.  We must decide this before testing the compiler.
24
25 AC_MSG_CHECKING([whether to include debugging symbols])
26 AC_ARG_ENABLE(debug,
27         AC_HELP_STRING([--enable-debug],
28                 [including debugging symbols and features (default yes)]),
29                 [], [])
30
31 if test x"$enable_debug" = x"no"
32 then
33     AC_MSG_RESULT(no)
34     CFLAGS=${CFLAGS-"-O"}
35 else
36     AC_MSG_RESULT([yes])
37     # leave CFLAGS alone; AC_PROG_CC will try to include -g if it can
38     AC_DEFINE(DEBUG, 1, [Define to turn on debugging code that may slow normal operation])
39     dnl CFLAGS=${CFLAGS-"-g"}
40 fi
41
42 CFLAGS="$CFLAGS -DHAVE_CONFIG_H"
43
44 AC_ARG_WITH(included-popt,
45         [  --with-included-popt    use bundled popt library, not from system])
46
47 AC_ARG_WITH(rsync-path,
48         [  --with-rsync-path=PATH  set default --rsync-path to PATH (default: \"rsync\")],
49         [ RSYNC_PATH="$with_rsync_path" ],
50         [ RSYNC_PATH="rsync" ])
51 AC_DEFINE_UNQUOTED(RSYNC_PATH, "$RSYNC_PATH", [ ])
52
53 AC_CHECK_PROG(HAVE_REMSH, remsh, 1, 0)
54 AC_DEFINE_UNQUOTED(HAVE_REMSH, $HAVE_REMSH, [ ])
55
56
57 # arrgh. libc in the current debian stable screws up the largefile
58 # stuff, getting byte range locking wrong
59 AC_CACHE_CHECK([for broken largefile support],rsync_cv_HAVE_BROKEN_LARGEFILE,[
60 AC_TRY_RUN([
61 #define _FILE_OFFSET_BITS 64
62 #include <stdio.h>
63 #include <fcntl.h>
64 #include <sys/types.h>
65 #include <sys/wait.h>
66
67 int main(void) 
68 {
69         struct flock lock;
70         int status;
71         int fd = open("conftest.dat", O_CREAT|O_RDWR, 0600);
72         lock.l_type = F_WRLCK;
73         lock.l_whence = SEEK_SET;
74         lock.l_start = 0;
75         lock.l_len = 1;
76         lock.l_pid = 0;
77         
78         fcntl(fd,F_SETLK,&lock);
79         if (fork() == 0) {
80                 lock.l_start = 1;               
81                 exit(fcntl(fd,F_SETLK,&lock) == 0);
82         }
83         wait(&status);
84         unlink("conftest.dat");
85         exit(WEXITSTATUS(status));
86 }
87 ],
88 rsync_cv_HAVE_BROKEN_LARGEFILE=yes,rsync_cv_HAVE_BROKEN_LARGEFILE=no,rsync_cv_HAVE_BROKEN_LARGEFILE=cross)])
89 if test x"$rsync_cv_HAVE_BROKEN_LARGEFILE" != x"yes"; then
90    AC_SYS_LARGEFILE
91 fi
92
93 ipv6type=unknown
94 ipv6lib=none
95 ipv6trylibc=yes
96
97         AC_MSG_CHECKING([ipv6 stack type])
98         for i in inria kame linux-glibc linux-inet6 toshiba v6d zeta; do
99                 case $i in
100                 inria)
101                         # http://www.kame.net/
102                         AC_EGREP_CPP(yes, [
103 #include <netinet/in.h>
104 #ifdef IPV6_INRIA_VERSION
105 yes
106 #endif],
107                                 [ipv6type=$i;
108                                 AC_DEFINE(INET6, 1, [true if you have IPv6])
109                                 ])
110                         ;;
111                 kame)
112                         # http://www.kame.net/
113                         AC_EGREP_CPP(yes, [
114 #include <netinet/in.h>
115 #ifdef __KAME__
116 yes
117 #endif],
118                                 [ipv6type=$i; 
119                                 AC_DEFINE(INET6, 1, [true if you have IPv6])])
120                         ;;
121                 linux-glibc)
122                         # http://www.v6.linux.or.jp/
123                         AC_EGREP_CPP(yes, [
124 #include <features.h>
125 #if defined(__GLIBC__) && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1
126 yes
127 #endif],
128                                 [ipv6type=$i;
129 AC_DEFINE(INET6, 1, [true if you have IPv6])])
130                         ;;
131                 linux-inet6)
132                         # http://www.v6.linux.or.jp/
133                         if test -d /usr/inet6 -o -f /usr/inet6/lib/libinet6.a; then
134                                 ipv6type=$i
135                                 ipv6lib=inet6
136                                 ipv6libdir=/usr/inet6/lib
137                                 ipv6trylibc=yes;
138                                 AC_DEFINE(INET6, 1, [true if you have IPv6])
139                                 CFLAGS="-I/usr/inet6/include $CFLAGS"
140                         fi
141                         ;;
142                 toshiba)
143                         AC_EGREP_CPP(yes, [
144 #include <sys/param.h>
145 #ifdef _TOSHIBA_INET6
146 yes
147 #endif],
148                                 [ipv6type=$i;
149                                 ipv6lib=inet6;
150                                 ipv6libdir=/usr/local/v6/lib;
151                                 AC_DEFINE(INET6, 1, [true if you have IPv6])])
152                         ;;
153                 v6d)
154                         AC_EGREP_CPP(yes, [
155 #include </usr/local/v6/include/sys/v6config.h>
156 #ifdef __V6D__
157 yes
158 #endif],
159                                 [ipv6type=$i;
160                                 ipv6lib=v6;
161                                 ipv6libdir=/usr/local/v6/lib;
162                                 AC_DEFINE(INET6, 1, [true if you have IPv6])])
163                         ;;
164                 zeta)
165                         AC_EGREP_CPP(yes, [
166 #include <sys/param.h>
167 #ifdef _ZETA_MINAMI_INET6
168 yes
169 #endif],
170                                 [ipv6type=$i;
171                                 ipv6lib=inet6;
172                                 ipv6libdir=/usr/local/v6/lib;
173                                 AC_DEFINE(INET6, 1, [true if you have IPv6])])
174                         ;;
175                 esac
176                 if test "$ipv6type" != "unknown"; then
177                         break
178                 fi
179         done
180         AC_MSG_RESULT($ipv6type)
181
182 AC_SEARCH_LIBS(getaddrinfo, inet6)
183
184 AC_C_BIGENDIAN
185 AC_HEADER_DIRENT
186 AC_HEADER_TIME
187 AC_HEADER_SYS_WAIT
188 AC_CHECK_HEADERS(sys/fcntl.h sys/select.h fcntl.h sys/time.h sys/unistd.h unistd.h utime.h grp.h)
189 AC_CHECK_HEADERS(compat.h sys/param.h ctype.h sys/wait.h sys/ioctl.h)
190 AC_CHECK_HEADERS(sys/filio.h string.h stdlib.h sys/socket.h sys/mode.h)
191 AC_CHECK_HEADERS(glob.h alloca.h mcheck.h sys/sysctl.h arpa/inet.h arpa/nameser.h)
192 AC_CHECK_HEADERS(netdb.h)
193
194 AC_CHECK_SIZEOF(int)
195 AC_CHECK_SIZEOF(long)
196 AC_CHECK_SIZEOF(short)
197
198 AC_C_INLINE
199
200 AC_TYPE_SIGNAL
201 AC_TYPE_UID_T
202 AC_TYPE_MODE_T
203 AC_TYPE_OFF_T
204 AC_TYPE_SIZE_T
205 AC_TYPE_PID_T
206 AC_TYPE_GETGROUPS
207 AC_CHECK_MEMBERS([struct stat.st_rdev])
208
209 AC_CHECK_TYPE([ino_t], [unsigned])
210 TYPE_SOCKLEN_T
211
212 AC_CACHE_CHECK([for errno in errno.h],rsync_cv_errno, [
213     AC_TRY_COMPILE([#include <errno.h>],[int i = errno],
214         rsync_cv_errno=yes,rsync_cv_have_errno_decl=no)])
215 if test x"$rsync_cv_errno" = x"yes"; then
216    AC_DEFINE(HAVE_ERRNO_DECL, 1, [ ])
217 fi
218
219 # The following test taken from the cvs sources
220 # If we can't find connect, try looking in -lsocket, -lnsl, and -linet.
221 # These need checks to be before checks for any other functions that
222 #    might be in the same libraries.
223 # The Irix 5 libc.so has connect and gethostbyname, but Irix 5 also has
224 # libsocket.so which has a bad implementation of gethostbyname (it
225 # only looks in /etc/hosts), so we only look for -lsocket if we need
226 # it.
227 AC_CHECK_FUNCS(connect)
228 if test x"$ac_cv_func_connect" = x"no"; then
229     case "$LIBS" in
230     *-lnsl*) ;;
231     *) AC_CHECK_LIB(nsl_s, printf) ;;
232     esac
233     case "$LIBS" in
234     *-lnsl*) ;;
235     *) AC_CHECK_LIB(nsl, printf) ;;
236     esac
237     case "$LIBS" in
238     *-lsocket*) ;;
239     *) AC_CHECK_LIB(socket, connect) ;;
240     esac
241     case "$LIBS" in
242     *-linet*) ;;
243     *) AC_CHECK_LIB(inet, connect) ;;
244     esac
245     dnl We can't just call AC_CHECK_FUNCS(connect) here, because the value
246     dnl has been cached.
247     if test x"$ac_cv_lib_socket_connect" = x"yes" || 
248        test x"$ac_cv_lib_inet_connect" = x"yes"; then
249         # ac_cv_func_connect=yes
250         # don't!  it would cause AC_CHECK_FUNC to succeed next time configure is run
251         AC_DEFINE(HAVE_CONNECT, 1, [ ])
252     fi
253 fi
254
255 AC_CHECK_LIB(resolv, inet_ntop)
256
257 AC_MSG_NOTICE([Looking in libraries: $LIBS])
258
259 AC_CHECK_FUNC(inet_ntop, , AC_LIBOBJ(lib/inet_ntop)) 
260 AC_CHECK_FUNC(inet_pton, , AC_LIBOBJ(lib/inet_pton))
261
262 AC_CHECK_FUNC(getaddrinfo, , AC_LIBOBJ(lib/getaddrinfo)) 
263 AC_CHECK_FUNC(getnameinfo, , AC_LIBOBJ(lib/getnameinfo))
264
265 AC_CHECK_MEMBER([struct sockaddr.sa_len], 
266                 [ AC_DEFINE(HAVE_SOCKADDR_LEN) ],
267                 [],
268                 [
269 #include <sys/types.h>
270 #include <sys/socket.h>
271 ])
272
273 # if we can't find strcasecmp, look in -lresolv (for Unixware at least)
274 #
275 AC_CHECK_FUNCS(strcasecmp)
276 if test x"$ac_cv_func_strcasecmp" = x"no"; then
277     AC_CHECK_LIB(resolv, strcasecmp)
278 fi
279
280 AC_FUNC_MEMCMP
281 AC_FUNC_UTIME_NULL
282 AC_CHECK_FUNCS(waitpid wait4 getcwd strdup strerror chown chmod mknod)
283 AC_CHECK_FUNCS(fchmod fstat strchr readlink link utime utimes strftime)
284 AC_CHECK_FUNCS(memmove lchown vsnprintf snprintf asprintf setsid glob strpbrk)
285 AC_CHECK_FUNCS(strlcat strlcpy mtrace)
286
287 AC_CACHE_CHECK([for working socketpair],rsync_cv_HAVE_SOCKETPAIR,[
288 AC_TRY_RUN([#include <sys/types.h>
289             #include <sys/socket.h>
290             main() {
291                 int fd[2];
292                 exit((socketpair(AF_UNIX, SOCK_STREAM, 0, fd) != -1) ? 0 : 1);
293             }],
294 rsync_cv_HAVE_SOCKETPAIR=yes,rsync_cv_HAVE_SOCKETPAIR=no,rsync_cv_HAVE_SOCKETPAIR=cross)])
295 if test x"$rsync_cv_HAVE_SOCKETPAIR" = x"yes"; then
296     AC_DEFINE(HAVE_SOCKETPAIR, 1, [ ])
297 fi
298
299 AC_CACHE_CHECK([for working fnmatch],rsync_cv_HAVE_FNMATCH,[
300 AC_TRY_RUN([#include <fnmatch.h>
301 main() { exit((fnmatch("*.o", "x.o", FNM_PATHNAME) == 0 &&
302                fnmatch("a/b/*", "a/b/c/d", FNM_PATHNAME) != 0) ? 0: 1); }],
303 rsync_cv_HAVE_FNMATCH=yes,rsync_cv_HAVE_FNMATCH=no,rsync_cv_HAVE_FNMATCH=cross)])
304 if test x"$rsync_cv_HAVE_FNMATCH" = x"yes"; then
305     AC_DEFINE(HAVE_FNMATCH, 1, [ ])
306 fi
307
308 if test x"$with_included_popt" != x"yes"
309 then
310     AC_CHECK_LIB(popt, poptGetContext, , [with_included_popt=yes])
311 fi
312
313 AC_MSG_CHECKING([whether to use included libpopt])
314 if test x"$with_included_popt" = x"yes"
315 then
316     AC_MSG_RESULT($srcdir/popt)
317     BUILD_POPT='$(popt_OBJS)'
318     CFLAGS="$CFLAGS -I$srcdir/popt"
319 else
320     AC_MSG_RESULT(no)
321 fi
322
323 AC_CACHE_CHECK([for long long],rsync_cv_HAVE_LONGLONG,[
324 AC_TRY_RUN([#include <stdio.h>
325 main() { long long x = 1000000; x *= x; exit(((x/1000000) == 1000000)? 0: 1); }],
326 rsync_cv_HAVE_LONGLONG=yes,rsync_cv_HAVE_LONGLONG=no,rsync_cv_HAVE_LONGLONG=cross)])
327 if test x"$rsync_cv_HAVE_LONGLONG" = x"yes"; then
328     AC_DEFINE(HAVE_LONGLONG, 1, [ ])
329 fi
330
331 AC_CACHE_CHECK([for off64_t],rsync_cv_HAVE_OFF64_T,[
332 AC_TRY_RUN([#include <stdio.h>
333 #include <sys/stat.h>
334 main() { struct stat64 st; off64_t s; if (sizeof(off_t) == sizeof(off64_t)) exit(1); exit((lstat64("/dev/null", &st)==0)?0:1); }],
335 rsync_cv_HAVE_OFF64_T=yes,rsync_cv_HAVE_OFF64_T=no,rsync_cv_HAVE_OFF64_T=cross)])
336 if test x"$rsync_cv_HAVE_OFF64_T" = x"yes"; then
337     AC_DEFINE(HAVE_OFF64_T, 1, [ ])
338 fi
339
340 AC_CACHE_CHECK([for short ino_t],rsync_cv_HAVE_SHORT_INO_T,[
341 AC_TRY_RUN([#include <stdio.h>
342 #include <sys/types.h>
343 #include <sys/stat.h>
344 main() { if (sizeof(ino_t) < sizeof(unsigned int)) return 0; return 1; }],
345 rsync_cv_HAVE_SHORT_INO_T=yes,rsync_cv_HAVE_SHORT_INO_T=no,rsync_cv_HAVE_SHORT_INO_T=cross)])
346 if test x"$rsync_cv_HAVE_SHORT_INO_T" = x"yes"; then
347     AC_DEFINE(HAVE_SHORT_INO_T, 1, [ ])
348 fi
349
350 AC_CACHE_CHECK([for unsigned char],rsync_cv_HAVE_UNSIGNED_CHAR,[
351 AC_TRY_RUN([#include <stdio.h>
352 main() { char c; c=250; exit((c > 0)?0:1); }],
353 rsync_cv_HAVE_UNSIGNED_CHAR=yes,rsync_cv_HAVE_UNSIGNED_CHAR=no,rsync_cv_HAVE_UNSIGNED_CHAR=cross)])
354 if test x"$rsync_cv_HAVE_UNSIGNED_CHAR" = x"yes"; then
355     AC_DEFINE(HAVE_UNSIGNED_CHAR, 1, [ ])
356 fi
357
358 AC_CACHE_CHECK([for broken readdir],rsync_cv_HAVE_BROKEN_READDIR,[
359 AC_TRY_RUN([#include <sys/types.h>
360 #include <dirent.h>
361 main() { struct dirent *di; DIR *d = opendir("."); di = readdir(d);
362 if (di && di->d_name[-2] == '.' && di->d_name[-1] == 0 &&
363 di->d_name[0] == 0) exit(0); exit(1);} ],
364 rsync_cv_HAVE_BROKEN_READDIR=yes,rsync_cv_HAVE_BROKEN_READDIR=no,rsync_cv_HAVE_BROKEN_READDIR=cross)])
365 if test x"$rsync_cv_HAVE_BROKEN_READDIR" = x"yes"; then
366     AC_DEFINE(HAVE_BROKEN_READDIR, 1, [ ])
367 fi
368
369 AC_CACHE_CHECK([for utimbuf],rsync_cv_HAVE_UTIMBUF,[
370 AC_TRY_COMPILE([#include <sys/types.h>
371 #include <utime.h>],
372 [struct utimbuf tbuf;  tbuf.actime = 0; tbuf.modtime = 1; exit(utime("foo.c",&tbuf));],
373 rsync_cv_HAVE_UTIMBUF=yes,rsync_cv_HAVE_UTIMBUF=no,rsync_cv_HAVE_UTIMBUF=cross)])
374 if test x"$rsync_cv_HAVE_UTIMBUF" = x"yes"; then
375     AC_DEFINE(HAVE_UTIMBUF, 1, [ ])
376 fi
377
378 AC_CACHE_CHECK([if gettimeofday takes tz argument],rsync_cv_HAVE_GETTIMEOFDAY_TZ,[
379 AC_TRY_RUN([
380 #include <sys/time.h>
381 #include <unistd.h>
382 main() { struct timeval tv; exit(gettimeofday(&tv, NULL));}],
383            rsync_cv_HAVE_GETTIMEOFDAY_TZ=yes,rsync_cv_HAVE_GETTIMEOFDAY_TZ=no,rsync_cv_HAVE_GETTIMEOFDAY_TZ=cross)])
384 if test x"$rsync_cv_HAVE_GETTIMEOFDAY_TZ" = x"yes"; then
385     AC_DEFINE(HAVE_GETTIMEOFDAY_TZ, 1, [ ])
386 fi
387
388 AC_CACHE_CHECK([for C99 vsnprintf],rsync_cv_HAVE_C99_VSNPRINTF,[
389 AC_TRY_RUN([
390 #include <sys/types.h>
391 #include <stdarg.h>
392 void foo(const char *format, ...) { 
393        va_list ap;
394        int len;
395        char buf[5];
396
397        va_start(ap, format);
398        len = vsnprintf(0, 0, format, ap);
399        va_end(ap);
400        if (len != 5) exit(1);
401
402        if (snprintf(buf, 3, "hello") != 5 || strcmp(buf, "he") != 0) exit(1);
403
404        exit(0);
405 }
406 main() { foo("hello"); }
407 ],
408 rsync_cv_HAVE_C99_VSNPRINTF=yes,rsync_cv_HAVE_C99_VSNPRINTF=no,rsync_cv_HAVE_C99_VSNPRINTF=cross)])
409 if test x"$rsync_cv_HAVE_C99_VSNPRINTF" = x"yes"; then
410     AC_DEFINE(HAVE_C99_VSNPRINTF, 1, [ ])
411 fi
412
413
414 AC_CACHE_CHECK([for secure mkstemp],rsync_cv_HAVE_SECURE_MKSTEMP,[
415 AC_TRY_RUN([#include <stdlib.h>
416 #include <sys/types.h>
417 #include <sys/stat.h>
418 #include <unistd.h>
419 main() { 
420   struct stat st;
421   char tpl[20]="/tmp/test.XXXXXX"; 
422   int fd = mkstemp(tpl); 
423   if (fd == -1) exit(1);
424   unlink(tpl);
425   if (fstat(fd, &st) != 0) exit(1);
426   if ((st.st_mode & 0777) != 0600) exit(1);
427   exit(0);
428 }],
429 rsync_cv_HAVE_SECURE_MKSTEMP=yes,
430 rsync_cv_HAVE_SECURE_MKSTEMP=no,
431 rsync_cv_HAVE_SECURE_MKSTEMP=cross)])
432 if test x"$rsync_cv_HAVE_SECURE_MKSTEMP" = x"yes"; then
433     AC_DEFINE(HAVE_SECURE_MKSTEMP, 1, [ ])
434 fi
435
436
437 AC_CACHE_CHECK([for broken inet_ntoa],rsync_cv_REPLACE_INET_NTOA,[
438 AC_TRY_RUN([
439 #include <stdio.h>
440 #include <sys/types.h>
441 #include <netinet/in.h>
442 #include <arpa/inet.h>
443 main() { struct in_addr ip; ip.s_addr = 0x12345678;
444 if (strcmp(inet_ntoa(ip),"18.52.86.120") &&
445     strcmp(inet_ntoa(ip),"120.86.52.18")) { exit(1); } 
446 exit(0);}],
447            rsync_cv_REPLACE_INET_NTOA=no,rsync_cv_REPLACE_INET_NTOA=yes,rsync_cv_REPLACE_INET_NTOA=cross)])
448 if test x"$rsync_cv_REPLACE_INET_NTOA" = x"yes"; then
449     AC_DEFINE(REPLACE_INET_NTOA, 1, [ ])
450 fi
451
452
453 AC_CACHE_CHECK([for broken inet_aton],rsync_cv_REPLACE_INET_ATON,[
454 AC_TRY_RUN([
455 #include <stdio.h>
456 #include <sys/types.h>
457 #include <netinet/in.h>
458 #include <arpa/inet.h>
459 main() { struct in_addr ip; 
460 if (inet_aton("example", &ip) == 0) exit(0); exit(1);}],
461            rsync_cv_REPLACE_INET_ATON=no,rsync_cv_REPLACE_INET_ATON=yes,rsync_cv_REPLACE_INET_ATON=cross)])
462 if test x"$rsync_cv_REPLACE_INET_ATON" = x"yes"; then
463     AC_DEFINE(REPLACE_INET_ATON, 1, [ ])
464 fi
465
466 #
467 # The following test was mostly taken from the tcl/tk plus patches
468 #
469 AC_CACHE_CHECK([whether -c -o works],rsync_cv_DASHC_WORKS_WITH_DASHO,[
470 rm -rf conftest*
471 cat > conftest.$ac_ext <<EOF
472 int main() { return 0; }
473 EOF
474 ${CC-cc} -c -o conftest..o conftest.$ac_ext
475 if test -f conftest..o; then
476     rsync_cv_DASHC_WORKS_WITH_DASHO=yes
477 else
478     rsync_cv_DASHC_WORKS_WITH_DASHO=no
479 fi
480 rm -rf conftest*
481 ])
482 if test x"$rsync_cv_DASHC_WORKS_WITH_DASHO" = x"yes"; then
483     OBJ_SAVE="#"
484     OBJ_RESTORE="#"
485     CC_SHOBJ_FLAG='-o $@'
486 else
487     OBJ_SAVE='  @b=`basename $@ .o`;rm -f $$b.o.sav;if test -f $$b.o; then mv $$b.o $$b.o.sav;fi;'
488     OBJ_RESTORE='       @b=`basename $@ .o`;if test "$$b.o" != "$@"; then mv $$b.o $@; if test -f $$b.o.sav; then mv $$b.o.sav $$b.o; fi; fi'
489     CC_SHOBJ_FLAG=""
490 fi
491
492 AC_SUBST(OBJ_SAVE)
493 AC_SUBST(OBJ_RESTORE)
494 AC_SUBST(CC_SHOBJ_FLAG)
495 AC_SUBST(BUILD_POPT)
496
497 AC_CONFIG_FILES([Makefile lib/dummy zlib/dummy popt/dummy shconfig])
498 AC_OUTPUT