Improved network error handling. (Greg A. Woods)
[rsync/rsync.git] / configure.in
... / ...
CommitLineData
1dnl Process this file with autoconf to produce a configure script.
2
3AC_INIT()
4AC_CONFIG_SRCDIR([byteorder.h])
5AC_CONFIG_HEADER(config.h)
6AC_PREREQ(2.52)
7
8RSYNC_VERSION=2.5.5cvs
9AC_SUBST(RSYNC_VERSION)
10AC_MSG_NOTICE([Configuring rsync $RSYNC_VERSION])
11
12AC_DEFINE_UNQUOTED(RSYNC_VERSION, ["$RSYNC_VERSION"], [rsync release version])
13
14LDFLAGS=${LDFLAGS-""}
15
16AC_CANONICAL_TARGET([])
17
18dnl Checks for programs.
19AC_PROG_CC
20AC_PROG_CPP
21AC_PROG_INSTALL
22AC_PROG_CC_STDC
23AC_SUBST(SHELL)
24
25AC_DEFINE([_GNU_SOURCE], 1,
26 [Define _GNU_SOURCE so that we get all necessary prototypes])
27
28if test "$xac_cv_prog_cc_stdc" = xno
29then
30 AC_MSG_WARN([rsync requires an ANSI C compiler and you don't seem to have one])
31fi
32
33# We must decide this before testing the compiler.
34
35# Please allow this to default to yes, so that your users have more
36# chance of getting a useful stack trace if problems occur.
37
38AC_MSG_CHECKING([whether to include debugging symbols])
39AC_ARG_ENABLE(debug,
40 AC_HELP_STRING([--enable-debug],
41 [including debugging symbols and features (default yes)]),
42 [], [])
43
44if test x"$enable_debug" = x"no"
45then
46 AC_MSG_RESULT(no)
47 CFLAGS=${CFLAGS-"-O"}
48else
49 AC_MSG_RESULT([yes])
50 # leave CFLAGS alone; AC_PROG_CC will try to include -g if it can
51 dnl AC_DEFINE(DEBUG, 1, [Define to turn on debugging code that may slow normal operation])
52 dnl CFLAGS=${CFLAGS-"-g"}
53fi
54
55
56
57
58AC_ARG_ENABLE(profile,
59 AC_HELP_STRING([--enable-profile],
60 [turn on CPU profiling (default no)],
61 [], []))
62if test x"$enable_profile" = xyes
63then
64 CFLAGS="$CFLAGS -pg"
65fi
66
67
68# This is needed for our included version of popt. Kind of silly, but
69# I don't want our version too far out of sync.
70CFLAGS="$CFLAGS -DHAVE_CONFIG_H"
71
72# If GCC, turn on warnings.
73if test "x$GCC" = "xyes"
74then
75 CFLAGS="$CFLAGS -Wall -W"
76fi
77
78AC_ARG_WITH(included-popt,
79 [ --with-included-popt use bundled popt library, not from system])
80
81AC_ARG_WITH(rsync-path,
82 [ --with-rsync-path=PATH set default --rsync-path to PATH (default: \"rsync\")],
83 [ RSYNC_PATH="$with_rsync_path" ],
84 [ RSYNC_PATH="rsync" ])
85
86AC_DEFINE_UNQUOTED(RSYNC_PATH, "$RSYNC_PATH", [location of rsync on remote machine])
87
88AC_ARG_WITH(rsh,
89 AC_HELP_STRING([--with-rsh=CMD], [set rsh command to CMD (default: \"remsh\" or \"rsh\")]))
90
91AC_CHECK_PROG(HAVE_REMSH, remsh, 1, 0)
92AC_DEFINE_UNQUOTED(HAVE_REMSH, $HAVE_REMSH, [remote shell is remsh not rsh])
93
94if test x"$with_rsh" != x
95then
96 RSYNC_RSH="$with_rsh"
97elif test x"$HAVE_REMSH" = x1
98then
99 RSYNC_RSH="remsh"
100else
101 RSYNC_RSH="rsh"
102fi
103
104AC_DEFINE_UNQUOTED(RSYNC_RSH, "$RSYNC_RSH", [default -e command])
105
106# arrgh. libc in the current debian stable screws up the largefile
107# stuff, getting byte range locking wrong
108AC_CACHE_CHECK([for broken largefile support],rsync_cv_HAVE_BROKEN_LARGEFILE,[
109AC_TRY_RUN([
110#define _FILE_OFFSET_BITS 64
111#include <stdio.h>
112#include <fcntl.h>
113#include <sys/types.h>
114#include <sys/wait.h>
115
116int main(void)
117{
118 struct flock lock;
119 int status;
120 int fd = open("conftest.dat", O_CREAT|O_RDWR, 0600);
121 lock.l_type = F_WRLCK;
122 lock.l_whence = SEEK_SET;
123 lock.l_start = 0;
124 lock.l_len = 1;
125 lock.l_pid = 0;
126
127 fcntl(fd,F_SETLK,&lock);
128 if (fork() == 0) {
129 lock.l_start = 1;
130 exit(fcntl(fd,F_SETLK,&lock) == 0);
131 }
132 wait(&status);
133 unlink("conftest.dat");
134 exit(WEXITSTATUS(status));
135}
136],
137rsync_cv_HAVE_BROKEN_LARGEFILE=yes,rsync_cv_HAVE_BROKEN_LARGEFILE=no,rsync_cv_HAVE_BROKEN_LARGEFILE=cross)])
138if test x"$rsync_cv_HAVE_BROKEN_LARGEFILE" != x"yes"; then
139 AC_SYS_LARGEFILE
140fi
141
142ipv6type=unknown
143ipv6lib=none
144ipv6trylibc=yes
145
146AC_ARG_ENABLE(ipv6,
147 AC_HELP_STRING([--disable-ipv6], [don't even try to use IPv6]))
148
149if test "x$enable_ipv6" != xno
150then
151 AC_MSG_CHECKING([ipv6 stack type])
152 for i in inria kame linux-glibc linux-inet6 toshiba v6d zeta; do
153 case $i in
154 inria)
155 # http://www.kame.net/
156 AC_EGREP_CPP(yes, [
157#include <netinet/in.h>
158#ifdef IPV6_INRIA_VERSION
159yes
160#endif],
161 [ipv6type=$i;
162 AC_DEFINE(INET6, 1, [true if you have IPv6])
163 ])
164 ;;
165 kame)
166 # http://www.kame.net/
167 AC_EGREP_CPP(yes, [
168#include <netinet/in.h>
169#ifdef __KAME__
170yes
171#endif],
172 [ipv6type=$i;
173 AC_DEFINE(INET6, 1, [true if you have IPv6])])
174 ;;
175 linux-glibc)
176 # http://www.v6.linux.or.jp/
177 AC_EGREP_CPP(yes, [
178#include <features.h>
179#if defined(__GLIBC__) && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1
180yes
181#endif],
182 [ipv6type=$i;
183AC_DEFINE(INET6, 1, [true if you have IPv6])])
184 ;;
185 linux-inet6)
186 # http://www.v6.linux.or.jp/
187 if test -d /usr/inet6 -o -f /usr/inet6/lib/libinet6.a; then
188 ipv6type=$i
189 ipv6lib=inet6
190 ipv6libdir=/usr/inet6/lib
191 ipv6trylibc=yes;
192 AC_DEFINE(INET6, 1, [true if you have IPv6])
193 CFLAGS="-I/usr/inet6/include $CFLAGS"
194 fi
195 ;;
196 toshiba)
197 AC_EGREP_CPP(yes, [
198#include <sys/param.h>
199#ifdef _TOSHIBA_INET6
200yes
201#endif],
202 [ipv6type=$i;
203 ipv6lib=inet6;
204 ipv6libdir=/usr/local/v6/lib;
205 AC_DEFINE(INET6, 1, [true if you have IPv6])])
206 ;;
207 v6d)
208 AC_EGREP_CPP(yes, [
209#include </usr/local/v6/include/sys/v6config.h>
210#ifdef __V6D__
211yes
212#endif],
213 [ipv6type=$i;
214 ipv6lib=v6;
215 ipv6libdir=/usr/local/v6/lib;
216 AC_DEFINE(INET6, 1, [true if you have IPv6])])
217 ;;
218 zeta)
219 AC_EGREP_CPP(yes, [
220#include <sys/param.h>
221#ifdef _ZETA_MINAMI_INET6
222yes
223#endif],
224 [ipv6type=$i;
225 ipv6lib=inet6;
226 ipv6libdir=/usr/local/v6/lib;
227 AC_DEFINE(INET6, 1, [true if you have IPv6])])
228 ;;
229 esac
230 if test "$ipv6type" != "unknown"; then
231 break
232 fi
233 done
234 AC_MSG_RESULT($ipv6type)
235
236 AC_SEARCH_LIBS(getaddrinfo, inet6)
237fi
238
239AC_C_BIGENDIAN
240AC_HEADER_DIRENT
241AC_HEADER_TIME
242AC_HEADER_SYS_WAIT
243AC_CHECK_HEADERS(sys/fcntl.h sys/select.h fcntl.h sys/time.h sys/unistd.h unistd.h utime.h grp.h)
244AC_CHECK_HEADERS(compat.h sys/param.h ctype.h sys/wait.h sys/ioctl.h)
245AC_CHECK_HEADERS(sys/filio.h string.h stdlib.h sys/socket.h sys/mode.h)
246AC_CHECK_HEADERS(glob.h alloca.h mcheck.h sys/sysctl.h arpa/inet.h arpa/nameser.h)
247AC_CHECK_HEADERS(netdb.h)
248AC_CHECK_HEADERS(malloc.h)
249
250AC_CHECK_SIZEOF(int)
251AC_CHECK_SIZEOF(long)
252AC_CHECK_SIZEOF(short)
253
254AC_C_INLINE
255
256AC_TYPE_SIGNAL
257AC_TYPE_UID_T
258AC_TYPE_MODE_T
259AC_TYPE_OFF_T
260AC_TYPE_SIZE_T
261AC_TYPE_PID_T
262AC_TYPE_GETGROUPS
263AC_CHECK_MEMBERS([struct stat.st_rdev])
264
265AC_CHECK_TYPE([ino_t], [unsigned])
266TYPE_SOCKLEN_T
267
268AC_CACHE_CHECK([for errno in errno.h],rsync_cv_errno, [
269 AC_TRY_COMPILE([#include <errno.h>],[int i = errno],
270 rsync_cv_errno=yes,rsync_cv_have_errno_decl=no)])
271if test x"$rsync_cv_errno" = x"yes"; then
272 AC_DEFINE(HAVE_ERRNO_DECL, 1, [ ])
273fi
274
275# The following test taken from the cvs sources
276# If we can't find connect, try looking in -lsocket, -lnsl, and -linet.
277# These need checks to be before checks for any other functions that
278# might be in the same libraries.
279# The Irix 5 libc.so has connect and gethostbyname, but Irix 5 also has
280# libsocket.so which has a bad implementation of gethostbyname (it
281# only looks in /etc/hosts), so we only look for -lsocket if we need
282# it.
283AC_CHECK_FUNCS(connect)
284if test x"$ac_cv_func_connect" = x"no"; then
285 case "$LIBS" in
286 *-lnsl*) ;;
287 *) AC_CHECK_LIB(nsl_s, printf) ;;
288 esac
289 case "$LIBS" in
290 *-lnsl*) ;;
291 *) AC_CHECK_LIB(nsl, printf) ;;
292 esac
293 case "$LIBS" in
294 *-lsocket*) ;;
295 *) AC_CHECK_LIB(socket, connect) ;;
296 esac
297 case "$LIBS" in
298 *-linet*) ;;
299 *) AC_CHECK_LIB(inet, connect) ;;
300 esac
301 dnl We can't just call AC_CHECK_FUNCS(connect) here, because the value
302 dnl has been cached.
303 if test x"$ac_cv_lib_socket_connect" = x"yes" ||
304 test x"$ac_cv_lib_inet_connect" = x"yes"; then
305 # ac_cv_func_connect=yes
306 # don't! it would cause AC_CHECK_FUNC to succeed next time configure is run
307 AC_DEFINE(HAVE_CONNECT, 1, [ ])
308 fi
309fi
310
311AC_CHECK_LIB(resolv, inet_ntop)
312
313dnl AC_MSG_NOTICE([Looking in libraries: $LIBS])
314
315AC_CHECK_FUNCS(inet_ntop, , AC_LIBOBJ(lib/inet_ntop))
316AC_CHECK_FUNCS(inet_pton, , AC_LIBOBJ(lib/inet_pton))
317
318AC_CHECK_FUNCS(getaddrinfo, , AC_LIBOBJ(lib/getaddrinfo))
319AC_CHECK_FUNCS(getnameinfo, , AC_LIBOBJ(lib/getnameinfo))
320
321AC_CHECK_MEMBER([struct sockaddr.sa_len],
322 [ AC_DEFINE(HAVE_SOCKADDR_LEN) ],
323 [],
324 [
325#include <sys/types.h>
326#include <sys/socket.h>
327])
328
329AC_MSG_CHECKING(struct sockaddr_storage)
330AC_TRY_COMPILE([#include <sys/types.h>
331#include <sys/socket.h>],
332[struct sockaddr_storage x;],
333 AC_MSG_RESULT(yes)
334 AC_DEFINE(HAVE_SOCKADDR_STORAGE, 1,
335 [Define if you have strct sockaddr_storage.] ),
336 AC_MSG_RESULT(no))
337
338# if we can't find strcasecmp, look in -lresolv (for Unixware at least)
339#
340AC_CHECK_FUNCS(strcasecmp)
341if test x"$ac_cv_func_strcasecmp" = x"no"; then
342 AC_CHECK_LIB(resolv, strcasecmp)
343fi
344
345dnl At the moment we don't test for a broken memcmp(), because all we
346dnl need to do is test for equality, not comparison, and it seems that
347dnl every platform has a memcmp that can do at least that.
348dnl AC_FUNC_MEMCMP
349
350AC_FUNC_UTIME_NULL
351AC_CHECK_FUNCS(waitpid wait4 getcwd strdup strerror chown chmod mknod)
352AC_CHECK_FUNCS(fchmod fstat strchr readlink link utime utimes strftime)
353AC_CHECK_FUNCS(memmove lchown vsnprintf snprintf asprintf setsid glob strpbrk)
354AC_CHECK_FUNCS(strlcat strlcpy mtrace mallinfo setgroups)
355
356AC_CACHE_CHECK([for working socketpair],rsync_cv_HAVE_SOCKETPAIR,[
357AC_TRY_RUN([
358#include <sys/types.h>
359#include <sys/socket.h>
360
361main() {
362 int fd[2];
363 exit((socketpair(AF_UNIX, SOCK_STREAM, 0, fd) != -1) ? 0 : 1);
364}],
365rsync_cv_HAVE_SOCKETPAIR=yes,rsync_cv_HAVE_SOCKETPAIR=no,rsync_cv_HAVE_SOCKETPAIR=cross)])
366if test x"$rsync_cv_HAVE_SOCKETPAIR" = x"yes"; then
367 AC_DEFINE(HAVE_SOCKETPAIR, 1, [ ])
368fi
369
370AC_CACHE_CHECK([for working fnmatch],rsync_cv_HAVE_FNMATCH,[
371AC_TRY_RUN([#include <fnmatch.h>
372main() { exit((fnmatch("*.o", "x.o", FNM_PATHNAME) == 0 &&
373 fnmatch("a/b/*", "a/b/c/d", FNM_PATHNAME) != 0) ? 0: 1); }],
374rsync_cv_HAVE_FNMATCH=yes,rsync_cv_HAVE_FNMATCH=no,rsync_cv_HAVE_FNMATCH=cross)])
375if test x"$rsync_cv_HAVE_FNMATCH" = x"yes"; then
376 AC_DEFINE(HAVE_FNMATCH, 1, [ ])
377fi
378
379if test x"$with_included_popt" != x"yes"
380then
381 AC_CHECK_LIB(popt, poptGetContext, , [with_included_popt=yes])
382fi
383
384AC_MSG_CHECKING([whether to use included libpopt])
385if test x"$with_included_popt" = x"yes"
386then
387 AC_MSG_RESULT($srcdir/popt)
388 BUILD_POPT='$(popt_OBJS)'
389 CFLAGS="$CFLAGS -I$srcdir/popt"
390else
391 AC_MSG_RESULT(no)
392fi
393
394AC_CACHE_CHECK([for long long],rsync_cv_HAVE_LONGLONG,[
395AC_TRY_RUN([#include <stdio.h>
396main() { long long x = 1000000; x *= x; exit(((x/1000000) == 1000000)? 0: 1); }],
397rsync_cv_HAVE_LONGLONG=yes,rsync_cv_HAVE_LONGLONG=no,rsync_cv_HAVE_LONGLONG=cross)])
398if test x"$rsync_cv_HAVE_LONGLONG" = x"yes"; then
399 AC_DEFINE(HAVE_LONGLONG, 1, [ ])
400fi
401
402AC_CACHE_CHECK([for off64_t],rsync_cv_HAVE_OFF64_T,[
403AC_TRY_RUN([#include <stdio.h>
404#include <sys/stat.h>
405main() { struct stat64 st; off64_t s; if (sizeof(off_t) == sizeof(off64_t)) exit(1); exit((lstat64("/dev/null", &st)==0)?0:1); }],
406rsync_cv_HAVE_OFF64_T=yes,rsync_cv_HAVE_OFF64_T=no,rsync_cv_HAVE_OFF64_T=cross)])
407if test x"$rsync_cv_HAVE_OFF64_T" = x"yes"; then
408 AC_DEFINE(HAVE_OFF64_T, 1, [ ])
409fi
410
411AC_CACHE_CHECK([for short ino_t],rsync_cv_HAVE_SHORT_INO_T,[
412AC_TRY_RUN([#include <stdio.h>
413#include <sys/types.h>
414#include <sys/stat.h>
415main() { if (sizeof(ino_t) < sizeof(unsigned int)) return 0; return 1; }],
416rsync_cv_HAVE_SHORT_INO_T=yes,rsync_cv_HAVE_SHORT_INO_T=no,rsync_cv_HAVE_SHORT_INO_T=cross)])
417if test x"$rsync_cv_HAVE_SHORT_INO_T" = x"yes"; then
418 AC_DEFINE(HAVE_SHORT_INO_T, 1, [ ])
419fi
420
421AC_CACHE_CHECK([for unsigned char],rsync_cv_HAVE_UNSIGNED_CHAR,[
422AC_TRY_RUN([#include <stdio.h>
423main() { char c; c=250; exit((c > 0)?0:1); }],
424rsync_cv_HAVE_UNSIGNED_CHAR=yes,rsync_cv_HAVE_UNSIGNED_CHAR=no,rsync_cv_HAVE_UNSIGNED_CHAR=cross)])
425if test x"$rsync_cv_HAVE_UNSIGNED_CHAR" = x"yes"; then
426 AC_DEFINE(HAVE_UNSIGNED_CHAR, 1, [ ])
427fi
428
429AC_CACHE_CHECK([for broken readdir],rsync_cv_HAVE_BROKEN_READDIR,[
430AC_TRY_RUN([#include <sys/types.h>
431#include <dirent.h>
432main() { struct dirent *di; DIR *d = opendir("."); di = readdir(d);
433if (di && di->d_name[-2] == '.' && di->d_name[-1] == 0 &&
434di->d_name[0] == 0) exit(0); exit(1);} ],
435rsync_cv_HAVE_BROKEN_READDIR=yes,rsync_cv_HAVE_BROKEN_READDIR=no,rsync_cv_HAVE_BROKEN_READDIR=cross)])
436if test x"$rsync_cv_HAVE_BROKEN_READDIR" = x"yes"; then
437 AC_DEFINE(HAVE_BROKEN_READDIR, 1, [ ])
438fi
439
440AC_CACHE_CHECK([for utimbuf],rsync_cv_HAVE_UTIMBUF,[
441AC_TRY_COMPILE([#include <sys/types.h>
442#include <utime.h>],
443[struct utimbuf tbuf; tbuf.actime = 0; tbuf.modtime = 1; exit(utime("foo.c",&tbuf));],
444rsync_cv_HAVE_UTIMBUF=yes,rsync_cv_HAVE_UTIMBUF=no,rsync_cv_HAVE_UTIMBUF=cross)])
445if test x"$rsync_cv_HAVE_UTIMBUF" = x"yes"; then
446 AC_DEFINE(HAVE_UTIMBUF, 1, [ ])
447fi
448
449AC_CACHE_CHECK([if gettimeofday takes tz argument],rsync_cv_HAVE_GETTIMEOFDAY_TZ,[
450AC_TRY_RUN([
451#include <sys/time.h>
452#include <unistd.h>
453main() { struct timeval tv; exit(gettimeofday(&tv, NULL));}],
454 rsync_cv_HAVE_GETTIMEOFDAY_TZ=yes,rsync_cv_HAVE_GETTIMEOFDAY_TZ=no,rsync_cv_HAVE_GETTIMEOFDAY_TZ=cross)])
455if test x"$rsync_cv_HAVE_GETTIMEOFDAY_TZ" = x"yes"; then
456 AC_DEFINE(HAVE_GETTIMEOFDAY_TZ, 1, [ ])
457fi
458
459AC_CACHE_CHECK([for C99 vsnprintf],rsync_cv_HAVE_C99_VSNPRINTF,[
460AC_TRY_RUN([
461#include <sys/types.h>
462#include <stdarg.h>
463void foo(const char *format, ...) {
464 va_list ap;
465 int len;
466 char buf[5];
467
468 va_start(ap, format);
469 len = vsnprintf(0, 0, format, ap);
470 va_end(ap);
471 if (len != 5) exit(1);
472
473 if (snprintf(buf, 3, "hello") != 5 || strcmp(buf, "he") != 0) exit(1);
474
475 exit(0);
476}
477main() { foo("hello"); }
478],
479rsync_cv_HAVE_C99_VSNPRINTF=yes,rsync_cv_HAVE_C99_VSNPRINTF=no,rsync_cv_HAVE_C99_VSNPRINTF=cross)])
480if test x"$rsync_cv_HAVE_C99_VSNPRINTF" = x"yes"; then
481 AC_DEFINE(HAVE_C99_VSNPRINTF, 1, [ ])
482fi
483
484
485AC_CACHE_CHECK([for secure mkstemp],rsync_cv_HAVE_SECURE_MKSTEMP,[
486AC_TRY_RUN([#include <stdlib.h>
487#include <sys/types.h>
488#include <sys/stat.h>
489#include <unistd.h>
490main() {
491 struct stat st;
492 char tpl[20]="/tmp/test.XXXXXX";
493 int fd = mkstemp(tpl);
494 if (fd == -1) exit(1);
495 unlink(tpl);
496 if (fstat(fd, &st) != 0) exit(1);
497 if ((st.st_mode & 0777) != 0600) exit(1);
498 exit(0);
499}],
500rsync_cv_HAVE_SECURE_MKSTEMP=yes,
501rsync_cv_HAVE_SECURE_MKSTEMP=no,
502rsync_cv_HAVE_SECURE_MKSTEMP=cross)])
503if test x"$rsync_cv_HAVE_SECURE_MKSTEMP" = x"yes"; then
504 AC_DEFINE(HAVE_SECURE_MKSTEMP, 1, [ ])
505fi
506
507
508AC_CACHE_CHECK([for broken inet_ntoa],rsync_cv_REPLACE_INET_NTOA,[
509AC_TRY_RUN([
510#include <stdio.h>
511#include <sys/types.h>
512#include <netinet/in.h>
513#include <arpa/inet.h>
514main() { struct in_addr ip; ip.s_addr = 0x12345678;
515if (strcmp(inet_ntoa(ip),"18.52.86.120") &&
516 strcmp(inet_ntoa(ip),"120.86.52.18")) { exit(1); }
517exit(0);}],
518 rsync_cv_REPLACE_INET_NTOA=no,rsync_cv_REPLACE_INET_NTOA=yes,rsync_cv_REPLACE_INET_NTOA=cross)])
519if test x"$rsync_cv_REPLACE_INET_NTOA" = x"yes"; then
520 AC_DEFINE(REPLACE_INET_NTOA, 1, [ ])
521fi
522
523
524AC_CACHE_CHECK([for broken inet_aton],rsync_cv_REPLACE_INET_ATON,[
525AC_TRY_RUN([
526#include <stdio.h>
527#include <sys/types.h>
528#include <netinet/in.h>
529#include <arpa/inet.h>
530main() { struct in_addr ip;
531if (inet_aton("example", &ip) == 0) exit(0); exit(1);}],
532 rsync_cv_REPLACE_INET_ATON=no,rsync_cv_REPLACE_INET_ATON=yes,rsync_cv_REPLACE_INET_ATON=cross)])
533if test x"$rsync_cv_REPLACE_INET_ATON" = x"yes"; then
534 AC_DEFINE(REPLACE_INET_ATON, 1, [ ])
535fi
536
537#
538# The following test was mostly taken from the tcl/tk plus patches
539#
540AC_CACHE_CHECK([whether -c -o works],rsync_cv_DASHC_WORKS_WITH_DASHO,[
541rm -rf conftest*
542cat > conftest.$ac_ext <<EOF
543int main() { return 0; }
544EOF
545${CC-cc} -c -o conftest..o conftest.$ac_ext
546if test -f conftest..o; then
547 rsync_cv_DASHC_WORKS_WITH_DASHO=yes
548else
549 rsync_cv_DASHC_WORKS_WITH_DASHO=no
550fi
551rm -rf conftest*
552])
553if test x"$rsync_cv_DASHC_WORKS_WITH_DASHO" = x"yes"; then
554 OBJ_SAVE="#"
555 OBJ_RESTORE="#"
556 CC_SHOBJ_FLAG='-o $@'
557else
558 OBJ_SAVE=' @b=`basename $@ .o`;rm -f $$b.o.sav;if test -f $$b.o; then mv $$b.o $$b.o.sav;fi;'
559 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'
560 CC_SHOBJ_FLAG=""
561fi
562
563AC_SUBST(OBJ_SAVE)
564AC_SUBST(OBJ_RESTORE)
565AC_SUBST(CC_SHOBJ_FLAG)
566AC_SUBST(BUILD_POPT)
567
568AC_CONFIG_FILES([Makefile lib/dummy zlib/dummy popt/dummy shconfig])
569AC_OUTPUT
570
571AC_MSG_RESULT()
572AC_MSG_RESULT([ rsync ${RSYNC_VERSION} configuration successful])
573AC_MSG_RESULT()