1 dnl Process this file with autoconf to produce a configure script.
3 AC_INIT([rsync],[3.2.0dev],[http://rsync.samba.org/bugzilla.html])
5 AC_CONFIG_MACRO_DIR([m4])
6 AC_CONFIG_SRCDIR([byteorder.h])
7 AC_CONFIG_HEADER(config.h)
10 AC_SUBST(RSYNC_VERSION, $PACKAGE_VERSION)
11 AC_MSG_NOTICE([Configuring rsync $PACKAGE_VERSION])
13 AC_DEFINE_UNQUOTED(RSYNC_VERSION, ["$PACKAGE_VERSION"], [rsync release version])
19 dnl define the directory for replacement function since AC_LIBOBJ does not
20 dnl officially support subdirs and fails with automake
21 AC_CONFIG_LIBOBJ_DIR([lib])
23 # We must decide this before testing the compiler.
25 # Please allow this to default to yes, so that your users have more
26 # chance of getting a useful stack trace if problems occur.
28 AC_MSG_CHECKING([whether to include debugging symbols])
30 AS_HELP_STRING([--disable-debug],[disable debugging symbols and features]))
32 if test x"$enable_debug" = x"no"; then
37 dnl AC_DEFINE(DEBUG, 1, [Define to turn on debugging code that may slow normal operation])
38 # leave ac_cv_prog_cc_g alone; AC_PROG_CC will try to include -g if it can
41 dnl Checks for programs.
50 AC_PATH_PROG([PERL], [perl])
52 AC_DEFINE([_GNU_SOURCE], 1,
53 [Define _GNU_SOURCE so that we get all necessary prototypes])
55 if test x"$ac_cv_prog_cc_stdc" = x"no"; then
56 AC_MSG_WARN([rsync requires an ANSI C compiler and you do not seem to have one])
59 AC_ARG_ENABLE(profile,
60 AS_HELP_STRING([--enable-profile],[turn on CPU profiling]))
61 if test x"$enable_profile" = x"yes"; then
66 # Specifically, this turns on panic_action handling.
67 AC_ARG_ENABLE(maintainer-mode,
68 AS_HELP_STRING([--enable-maintainer-mode],[turn on extra debug features]))
69 if test x"$enable_maintainer_mode" = x"yes"; then
70 CFLAGS="$CFLAGS -DMAINTAINER_MODE"
74 # This is needed for our included version of popt. Kind of silly, but
75 # I don't want our version too far out of sync.
76 CFLAGS="$CFLAGS -DHAVE_CONFIG_H"
78 # If GCC, turn on warnings.
79 if test x"$GCC" = x"yes"; then
80 CFLAGS="$CFLAGS -Wall -W"
83 AC_ARG_WITH(included-popt,
84 AS_HELP_STRING([--with-included-popt],[use bundled popt library, not from system]))
86 AC_ARG_WITH(included-zlib,
87 AS_HELP_STRING([--with-included-zlib],[use bundled zlib library, not from system]))
89 AC_ARG_WITH(protected-args,
90 AS_HELP_STRING([--with-protected-args],[make --protected-args option the default]))
91 if test x"$with_protected_args" = x"yes"; then
92 AC_DEFINE_UNQUOTED(RSYNC_USE_PROTECTED_ARGS, 1, [Define to 1 if --protected-args should be the default])
95 AC_ARG_WITH(rsync-path,
96 AS_HELP_STRING([--with-rsync-path=PATH],[set default --rsync-path to PATH (default: rsync)]),
97 [ RSYNC_PATH="$with_rsync_path" ],
98 [ RSYNC_PATH="rsync" ])
100 AC_DEFINE_UNQUOTED(RSYNC_PATH, "$RSYNC_PATH", [location of rsync on remote machine])
102 AC_ARG_WITH(rsyncd-conf,
103 AS_HELP_STRING([--with-rsyncd-conf=PATH],[set configuration file for rsync server to PATH (default: /etc/rsyncd.conf)]),
104 [ if test ! -z "$with_rsyncd_conf" ; then
105 case $with_rsyncd_conf in
107 RSYNCD_SYSCONF="/etc/rsyncd.conf"
110 RSYNCD_SYSCONF="$with_rsyncd_conf"
113 AC_MSG_ERROR(You must specify an absolute path to --with-rsyncd-conf=PATH)
117 RSYNCD_SYSCONF="/etc/rsyncd.conf"
119 [ RSYNCD_SYSCONF="/etc/rsyncd.conf" ])
121 AC_DEFINE_UNQUOTED(RSYNCD_SYSCONF, "$RSYNCD_SYSCONF", [location of configuration file for rsync server])
124 AS_HELP_STRING([--with-rsh=CMD],[set remote shell command to CMD (default: ssh)]))
126 AC_CHECK_PROG(HAVE_REMSH, remsh, 1, 0)
127 if test x$HAVE_REMSH = x1; then
128 AC_DEFINE(HAVE_REMSH, 1, [Define to 1 if remote shell is remsh, not rsh])
131 if test x"$with_rsh" != x; then
132 RSYNC_RSH="$with_rsh"
136 AC_DEFINE_UNQUOTED(RSYNC_RSH, "$RSYNC_RSH", [default -e command])
138 AC_CHECK_PROG(HAVE_YODL2MAN, yodl2man, 1, 0)
139 if test x$HAVE_YODL2MAN = x1; then
145 # Some programs on solaris are only found in /usr/xpg4/bin (or work better than others versions).
146 AC_PATH_PROG(SHELL_PATH, sh, /bin/sh, [/usr/xpg4/bin$PATH_SEPARATOR$PATH])
147 AC_PATH_PROG(FAKEROOT_PATH, fakeroot, /usr/bin/fakeroot, [/usr/xpg4/bin$PATH_SEPARATOR$PATH])
149 AC_ARG_WITH(nobody-group,
150 AS_HELP_STRING([--with-nobody-group=GROUP],[set the default unprivileged group (default nobody or nogroup)]),
151 [ NOBODY_GROUP="$with_nobody_group" ])
153 if test x"$with_nobody_group" = x; then
154 AC_MSG_CHECKING([the group for user "nobody"])
155 if grep '^nobody:' /etc/group >/dev/null 2>&1; then
157 elif grep '^nogroup:' /etc/group >/dev/null 2>&1; then
160 NOBODY_GROUP=nobody # test for others?
162 AC_MSG_RESULT($NOBODY_GROUP)
165 AC_DEFINE_UNQUOTED(NOBODY_USER, "nobody", [unprivileged user--e.g. nobody])
166 AC_DEFINE_UNQUOTED(NOBODY_GROUP, "$NOBODY_GROUP", [unprivileged group for unprivileged user])
171 AC_MSG_CHECKING([whether to enable SIMD optimizations])
173 AS_HELP_STRING([--enable-simd],[enable SIMD optimizations]))
175 if test x"$enable_simd" = x"yes"; then
176 # For x86-64 SIMD, g++ is also required
177 if test x"$build_cpu" = x"x86_64" && test x"$CXX" = x"g++"; then
182 if test x"$SIMD" != x""; then
183 SIMD=`echo "$SIMD" | sed -e 's/^ *//'`
184 AC_MSG_RESULT([yes ($SIMD)])
185 AC_DEFINE(HAVE_SIMD, 1, [Define to 1 to enable SIMD optimizations])
186 SIMD=`echo "$SIMD" | sed -e 's/[[^ ]]\+/$(SIMD_&)/g'`
193 # We only use g++ for its target attribute dispatching, disable unneeded bulky features
194 if test x"$CXXOBJ" != x""; then
195 CXXFLAGS="$CXXFLAGS -fno-exceptions -fno-rtti"
198 # arrgh. libc in some old debian version screwed up the largefile
199 # stuff, getting byte range locking wrong
200 AC_CACHE_CHECK([for broken largefile support],rsync_cv_HAVE_BROKEN_LARGEFILE,[
201 AC_RUN_IFELSE([AC_LANG_SOURCE([[
202 #define _FILE_OFFSET_BITS 64
205 #include <sys/types.h>
206 #include <sys/wait.h>
215 char tpl[32] = "/tmp/locktest.XXXXXX";
216 int fd = mkstemp(tpl);
218 strcpy(tpl, "conftest.dat");
219 fd = open(tpl, O_CREAT|O_RDWR, 0600);
222 lock.l_type = F_WRLCK;
223 lock.l_whence = SEEK_SET;
227 fcntl(fd,F_SETLK,&lock);
230 _exit(fcntl(fd,F_SETLK,&lock) == 0);
234 return WEXITSTATUS(status);
236 ]])],[rsync_cv_HAVE_BROKEN_LARGEFILE=yes],[rsync_cv_HAVE_BROKEN_LARGEFILE=no],[rsync_cv_HAVE_BROKEN_LARGEFILE=cross])])
237 if test x"$rsync_cv_HAVE_BROKEN_LARGEFILE" != x"yes"; then
246 AS_HELP_STRING([--disable-ipv6],[do not even try to use IPv6]))
247 if test x"$enable_ipv6" != x"no"; then
248 AC_MSG_CHECKING([ipv6 stack type])
249 for i in inria kame linux-glibc linux-inet6 solaris toshiba v6d zeta cygwin; do
252 # http://www.kame.net/
254 #include <netinet/in.h>
255 #ifdef IPV6_INRIA_VERSION
259 AC_DEFINE(INET6, 1, [true if you have IPv6])
263 # http://www.kame.net/
265 #include <netinet/in.h>
270 AC_DEFINE(INET6, 1, [true if you have IPv6])])
273 # http://www.v6.linux.or.jp/
275 #include <features.h>
276 #if defined(__GLIBC__) && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1
280 AC_DEFINE(INET6, 1, [true if you have IPv6])])
283 # http://www.v6.linux.or.jp/
284 if test -d /usr/inet6 -o -f /usr/inet6/lib/libinet6.a; then
287 ipv6libdir=/usr/inet6/lib
289 AC_DEFINE(INET6, 1, [true if you have IPv6])
290 CFLAGS="-I/usr/inet6/include $CFLAGS"
296 #include <netinet/ip6.h>
301 AC_DEFINE(INET6, 1, [true if you have IPv6])])
305 #include <sys/param.h>
306 #ifdef _TOSHIBA_INET6
311 ipv6libdir=/usr/local/v6/lib;
312 AC_DEFINE(INET6, 1, [true if you have IPv6])])
316 #include </usr/local/v6/include/sys/v6config.h>
322 ipv6libdir=/usr/local/v6/lib;
323 AC_DEFINE(INET6, 1, [true if you have IPv6])])
327 #include <sys/param.h>
328 #ifdef _ZETA_MINAMI_INET6
333 ipv6libdir=/usr/local/v6/lib;
334 AC_DEFINE(INET6, 1, [true if you have IPv6])])
338 #include <netinet/in.h>
343 AC_DEFINE(INET6, 1, [true if you have IPv6])])
346 if test "$ipv6type" != "unknown"; then
350 AC_MSG_RESULT($ipv6type)
352 AC_SEARCH_LIBS(getaddrinfo, inet6)
355 dnl Do you want to disable use of locale functions
356 AC_ARG_ENABLE([locale],
357 AS_HELP_STRING([--disable-locale],[disable locale features]))
358 AH_TEMPLATE([CONFIG_LOCALE],
359 [Undefine if you do not want locale features. By default this is defined.])
360 if test x"$enable_locale" != x"no"; then
361 AC_DEFINE(CONFIG_LOCALE)
364 AC_MSG_CHECKING([whether to call shutdown on all sockets])
366 *cygwin* ) AC_MSG_RESULT(yes)
367 AC_DEFINE(SHUTDOWN_ALL_SOCKETS, 1,
368 [Define to 1 if sockets need to be shutdown])
370 * ) AC_MSG_RESULT(no);;
377 AC_CHECK_HEADERS(sys/fcntl.h sys/select.h fcntl.h sys/time.h sys/unistd.h \
378 unistd.h utime.h grp.h compat.h sys/param.h ctype.h sys/wait.h \
379 sys/ioctl.h sys/filio.h string.h stdlib.h sys/socket.h sys/mode.h \
380 sys/un.h sys/attr.h mcheck.h arpa/inet.h arpa/nameser.h locale.h \
381 netdb.h malloc.h float.h limits.h iconv.h libcharset.h langinfo.h \
382 sys/acl.h acl/libacl.h attr/xattr.h sys/xattr.h sys/extattr.h \
383 popt.h popt/popt.h linux/falloc.h netinet/in_systm.h netinet/ip.h \
384 zlib.h xxhash.h openssl/md4.h openssl/md5.h zstd.h lz4.h)
385 AC_HEADER_MAJOR_FIXED
387 AC_MSG_CHECKING([whether to enable use of openssl crypto library])
388 AC_ARG_ENABLE([openssl],
389 AS_HELP_STRING([--disable-openssl],[disable openssl crypto library]))
390 AH_TEMPLATE([USE_OPENSSL],
391 [Undefine if you do not want to use openssl crypto library. By default this is defined.])
392 if test x"$enable_openssl" != x"no" && test x"$ac_cv_header_openssl_md4_h" = x"yes" && test x"$ac_cv_header_openssl_md5_h" = x"yes"; then
394 AC_SEARCH_LIBS(MD5_Init, crypto, [AC_DEFINE(USE_OPENSSL)])
399 AC_MSG_CHECKING([whether to enable xxhash checksum support])
400 AC_ARG_ENABLE([xxhash],
401 AS_HELP_STRING([--disable-xxhash],[disable xxhash checksums]))
402 AH_TEMPLATE([SUPPORT_XXHASH],
403 [Undefine if you do not want xxhash checksums. By default this is defined.])
404 if test x"$enable_xxhash" != x"no" && test x"$ac_cv_header_xxhash_h" = x"yes"; then
406 AC_SEARCH_LIBS(XXH64_createState, xxhash, [AC_DEFINE(SUPPORT_XXHASH)])
411 AC_MSG_CHECKING([whether to enable zstd compression])
412 AC_ARG_ENABLE([zstd],
413 AC_HELP_STRING([--disable-zstd], [disable zstd compression]))
414 AH_TEMPLATE([SUPPORT_ZSTD],
415 [Undefine if you do not want zstd compression. By default this is defined.])
416 if test x"$enable_zstd" != x"no" && test x"$ac_cv_header_zstd_h" = x"yes"; then
418 AC_SEARCH_LIBS(ZSTD_minCLevel, zstd, [AC_DEFINE(SUPPORT_ZSTD)])
423 AC_MSG_CHECKING([whether to enable LZ4 compression])
425 AC_HELP_STRING([--disable-lz4], [disable LZ4 compression]))
426 AH_TEMPLATE([SUPPORT_LZ4],
427 [Undefine if you do not want LZ4 compression. By default this is defined.])
428 if test x"$enable_lz4" != x"no" && test x"$ac_cv_header_lz4_h" = x"yes"; then
430 AC_SEARCH_LIBS(LZ4_compress, lz4, [AC_DEFINE(SUPPORT_LZ4)])
435 AC_CACHE_CHECK([if makedev takes 3 args],rsync_cv_MAKEDEV_TAKES_3_ARGS,[
436 AC_RUN_IFELSE([AC_LANG_SOURCE([[
437 #include <sys/types.h>
438 #ifdef MAJOR_IN_MKDEV
439 #include <sys/mkdev.h>
440 # if !defined makedev && (defined mkdev || defined _WIN32 || defined __WIN32__)
441 # define makedev mkdev
443 #elif defined MAJOR_IN_SYSMACROS
444 #include <sys/sysmacros.h>
449 dev_t dev = makedev(0, 5, 7);
450 if (major(dev) != 5 || minor(dev) != 7)
454 ]])],[rsync_cv_MAKEDEV_TAKES_3_ARGS=yes],[rsync_cv_MAKEDEV_TAKES_3_ARGS=no],[rsync_cv_MAKEDEV_TAKES_3_ARGS=no])])
455 if test x"$rsync_cv_MAKEDEV_TAKES_3_ARGS" = x"yes"; then
456 AC_DEFINE(MAKEDEV_TAKES_3_ARGS, 1, [Define to 1 if makedev() takes 3 args])
460 AC_CHECK_SIZEOF(long)
461 AC_CHECK_SIZEOF(long long)
462 AC_CHECK_SIZEOF(short)
463 AC_CHECK_SIZEOF(int16_t)
464 AC_CHECK_SIZEOF(uint16_t)
465 AC_CHECK_SIZEOF(int32_t)
466 AC_CHECK_SIZEOF(uint32_t)
467 AC_CHECK_SIZEOF(int64_t)
468 AC_CHECK_SIZEOF(off_t)
469 AC_CHECK_SIZEOF(off64_t)
470 AC_CHECK_SIZEOF(time_t)
471 AC_CHECK_SIZEOF(char*)
475 AC_TYPE_LONG_DOUBLE_WIDER
476 ac_cv_c_long_double=$ac_cv_type_long_double_wider
477 if test $ac_cv_c_long_double = yes; then
478 AC_DEFINE([HAVE_LONG_DOUBLE],[1],[Define to 1 if the type `long double' works and has more range or precision than `double'.])
482 AC_CHECK_TYPES([mode_t,off_t,size_t,pid_t,id_t])
484 AC_CHECK_MEMBERS([struct stat.st_rdev,
485 struct stat.st_mtimensec,
486 struct stat.st_mtimespec.tv_nsec,
487 struct stat.st_mtim.tv_nsec],,,[
488 #ifdef HAVE_SYS_TYPES_H
489 #include <sys/types.h>
491 #ifdef HAVE_SYS_STAT_H
492 #include <sys/stat.h>
500 AC_CACHE_CHECK([for errno in errno.h],rsync_cv_errno, [
501 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <errno.h>]], [[int i = errno]])],[rsync_cv_errno=yes],[rsync_cv_have_errno_decl=no])])
502 if test x"$rsync_cv_errno" = x"yes"; then
503 AC_DEFINE(HAVE_ERRNO_DECL, 1, [Define to 1 if errno is declared in errno.h])
506 # The following test taken from the cvs sources
507 # If we can't find connect, try looking in -lsocket, -lnsl, and -linet.
508 # These need checks to be before checks for any other functions that
509 # might be in the same libraries.
510 # The Irix 5 libc.so has connect and gethostbyname, but Irix 5 also has
511 # libsocket.so which has a bad implementation of gethostbyname (it
512 # only looks in /etc/hosts), so we only look for -lsocket if we need
514 AC_CHECK_FUNCS(connect)
515 if test x"$ac_cv_func_connect" = x"no"; then
518 *) AC_CHECK_LIB(nsl_s, printf) ;;
522 *) AC_CHECK_LIB(nsl, printf) ;;
526 *) AC_CHECK_LIB(socket, connect) ;;
530 *) AC_CHECK_LIB(inet, connect) ;;
532 dnl We can't just call AC_CHECK_FUNCS(connect) here, because the value
534 if test x"$ac_cv_lib_socket_connect" = x"yes" ||
535 test x"$ac_cv_lib_inet_connect" = x"yes"; then
536 # ac_cv_func_connect=yes
537 # don't! it would cause AC_CHECK_FUNC to succeed next time configure is run
538 AC_DEFINE(HAVE_CONNECT, 1, [Define to 1 if you have the "connect" function])
542 AC_SEARCH_LIBS(inet_ntop, resolv)
544 # For OS X, Solaris, HP-UX, etc.: figure out if -liconv is needed. We'll
545 # accept either iconv_open or libiconv_open, since some include files map
546 # the former to the latter.
547 AC_SEARCH_LIBS(iconv_open, iconv)
548 AC_SEARCH_LIBS(libiconv_open, iconv)
550 AC_MSG_CHECKING([for iconv declaration])
551 AC_CACHE_VAL(am_cv_proto_iconv, [
552 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
559 #if defined(__STDC__) || defined(__cplusplus)
560 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
564 ]], [[]])],[am_cv_proto_iconv_arg1=""],[am_cv_proto_iconv_arg1="const"])
565 am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"])
566 am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'`
567 AC_MSG_RESULT([$]{ac_t:-
568 }[$]am_cv_proto_iconv)
569 AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1,
570 [Define as const if the declaration of iconv() needs const.])
572 dnl AC_MSG_NOTICE([Looking in libraries: $LIBS])
574 AC_REPLACE_FUNCS([inet_ntop inet_pton])
576 AC_HAVE_TYPE([struct addrinfo], [#include <netdb.h>])
577 AC_HAVE_TYPE([struct sockaddr_storage], [#include <sys/types.h>
578 #include <sys/socket.h>])
580 # Irix 6.5 has getaddrinfo but not the corresponding defines, so use
581 # builtin getaddrinfo if one of the defines don't exist
582 AC_CACHE_CHECK([whether defines needed by getaddrinfo exist],
583 rsync_cv_HAVE_GETADDR_DEFINES,[
585 #include <sys/types.h>
586 #include <sys/socket.h>
591 rsync_cv_HAVE_GETADDR_DEFINES=yes,
592 rsync_cv_HAVE_GETADDR_DEFINES=no)])
593 AS_IF([test x"$rsync_cv_HAVE_GETADDR_DEFINES" = x"yes" -a x"$ac_cv_type_struct_addrinfo" = x"yes"],[
594 # Tru64 UNIX has getaddrinfo() but has it renamed in libc as
595 # something else so we must include <netdb.h> to get the
597 AC_CHECK_FUNCS(getaddrinfo, ,
598 [AC_MSG_CHECKING([for getaddrinfo by including <netdb.h>])
599 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
600 #include <sys/socket.h>
601 #include <netdb.h>]], [[getaddrinfo(NULL, NULL, NULL, NULL);]])],[AC_MSG_RESULT([yes])
602 AC_DEFINE(HAVE_GETADDRINFO, 1,
603 [Define to 1 if you have the "getaddrinfo" function and required types.])],[AC_MSG_RESULT([no])
604 AC_LIBOBJ([getaddrinfo])])])
605 ],[AC_LIBOBJ([getaddrinfo])])
607 AC_CHECK_MEMBER([struct sockaddr.sa_len],
608 [ AC_DEFINE(HAVE_SOCKADDR_LEN, 1, [Do we have sockaddr.sa_len?]) ],
611 #include <sys/types.h>
612 #include <sys/socket.h>
615 AC_CHECK_MEMBER([struct sockaddr_in.sin_len],
616 [ AC_DEFINE(HAVE_SOCKADDR_IN_LEN, 1, [Do we have sockaddr_in.sin_len?]) ],
619 #include <sys/types.h>
620 #include <sys/socket.h>
621 #include <netinet/in.h>
624 AC_CHECK_MEMBER([struct sockaddr_un.sun_len],
625 [ AC_DEFINE(HAVE_SOCKADDR_UN_LEN, 1, [Do we have sockaddr_un.sun_len?]) ],
628 #include <sys/types.h>
629 #include <sys/socket.h>
630 #include <netinet/in.h>
633 AC_CHECK_MEMBER([struct sockaddr_in6.sin6_scope_id],
634 [ AC_DEFINE(HAVE_SOCKADDR_IN6_SCOPE_ID, 1, [Do we have sockaddr_in6.sin6_scope_id?]) ],
637 #include <sys/types.h>
638 #include <sys/socket.h>
639 #include <netinet/in.h>
642 AC_HAVE_TYPE([struct stat64], [#include <stdio.h>
644 # include <sys/types.h>
647 # include <sys/stat.h>
659 # if we can't find strcasecmp, look in -lresolv (for Unixware at least)
661 AC_CHECK_FUNCS(strcasecmp)
662 if test x"$ac_cv_func_strcasecmp" = x"no"; then
663 AC_CHECK_LIB(resolv, strcasecmp)
666 AC_CHECK_FUNCS(aclsort)
667 if test x"$ac_cv_func_aclsort" = x"no"; then
668 AC_CHECK_LIB(sec, aclsort)
671 dnl At the moment we don't test for a broken memcmp(), because all we
672 dnl need to do is test for equality, not comparison, and it seems that
673 dnl every platform has a memcmp that can do at least that.
678 AC_CHECK_FUNCS(waitpid wait4 getcwd strdup chown chmod lchmod mknod mkfifo \
679 fchmod fstat ftruncate strchr readlink link utime utimes lutimes strftime \
680 chflags getattrlist \
681 memmove lchown vsnprintf snprintf vasprintf asprintf setsid strpbrk \
682 strlcat strlcpy strtol mallinfo getgroups setgroups geteuid getegid \
683 setlocale setmode open64 lseek64 mkstemp64 mtrace va_copy __va_copy \
684 seteuid strerror putenv iconv_open locale_charset nl_langinfo getxattr \
685 extattr_get_link sigaction sigprocmask setattrlist getgrouplist \
686 initgroups utimensat posix_fallocate attropen setvbuf nanosleep usleep)
688 dnl cygwin iconv.h defines iconv_open as libiconv_open
689 if test x"$ac_cv_func_iconv_open" != x"yes"; then
690 AC_CHECK_FUNC(libiconv_open, [ac_cv_func_iconv_open=yes; AC_DEFINE(HAVE_ICONV_OPEN, 1)])
693 dnl Preallocation stuff (also fallocate, posix_fallocate function tests above):
695 AC_CACHE_CHECK([for useable fallocate],rsync_cv_have_fallocate,[
696 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <fcntl.h>
697 #include <sys/types.h>]], [[fallocate(0, 0, 0, 0);]])],[rsync_cv_have_fallocate=yes],[rsync_cv_have_fallocate=no])])
698 if test x"$rsync_cv_have_fallocate" = x"yes"; then
699 AC_DEFINE(HAVE_FALLOCATE, 1, [Define to 1 if you have the fallocate function and it compiles and links without error])
702 AC_MSG_CHECKING([for FALLOC_FL_PUNCH_HOLE])
703 AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
704 #define _GNU_SOURCE 1
705 #include <linux/falloc.h>
706 #ifndef FALLOC_FL_PUNCH_HOLE
707 #error FALLOC_FL_PUNCH_HOLE is missing
711 AC_DEFINE([HAVE_FALLOC_FL_PUNCH_HOLE], [1], [Define if FALLOC_FL_PUNCH_HOLE is available.])
717 AC_MSG_CHECKING([for FALLOC_FL_ZERO_RANGE])
718 AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
719 #define _GNU_SOURCE 1
720 #include <linux/falloc.h>
721 #ifndef FALLOC_FL_ZERO_RANGE
722 #error FALLOC_FL_ZERO_RANGE is missing
726 AC_DEFINE([HAVE_FALLOC_FL_ZERO_RANGE], [1], [Define if FALLOC_FL_ZERO_RANGE is available.])
732 AC_CACHE_CHECK([for SYS_fallocate],rsync_cv_have_sys_fallocate,[
733 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/syscall.h>
735 #include <sys/types.h>]], [[syscall(SYS_fallocate, 0, 0, (loff_t)0, (loff_t)0);]])],[rsync_cv_have_sys_fallocate=yes],[rsync_cv_have_sys_fallocate=no])])
736 if test x"$rsync_cv_have_sys_fallocate" = x"yes"; then
737 AC_DEFINE(HAVE_SYS_FALLOCATE, 1, [Define to 1 if you have the SYS_fallocate syscall number])
740 if test x"$ac_cv_func_posix_fallocate" = x"yes"; then
741 AC_MSG_CHECKING([whether posix_fallocate is efficient])
745 AC_DEFINE(HAVE_EFFICIENT_POSIX_FALLOCATE, 1,
746 [Define if posix_fallocate is efficient (Cygwin)])
754 dnl End of preallocation stuff
756 AC_CHECK_FUNCS(getpgrp tcgetpgrp)
757 if test $ac_cv_func_getpgrp = yes; then
761 AC_ARG_ENABLE(iconv-open,
762 AS_HELP_STRING([--disable-iconv-open],[disable all use of iconv_open() function]),
763 [], [enable_iconv_open=$ac_cv_func_iconv_open])
765 if test x"$enable_iconv_open" != x"no"; then
766 AC_DEFINE(USE_ICONV_OPEN, 1, [Define to 1 if you want rsync to make use of iconv_open()])
770 AS_HELP_STRING([--disable-iconv],[disable rsync's --iconv option]),
771 [], [enable_iconv=$enable_iconv_open])
772 AH_TEMPLATE([ICONV_OPTION],
773 [Define if you want the --iconv option. Specifing a value will set the
774 default iconv setting (a NULL means no --iconv processing by default).])
775 if test x"$enable_iconv" != x"no"; then
776 if test x"$enable_iconv" = x"yes"; then
777 AC_DEFINE(ICONV_OPTION, NULL)
779 AC_DEFINE_UNQUOTED(ICONV_OPTION, "$enable_iconv")
781 AC_DEFINE(UTF8_CHARSET, "UTF-8", [String to pass to iconv() for the UTF-8 charset.])
784 AC_CACHE_CHECK([whether chown() modifies symlinks],rsync_cv_chown_modifies_symlink,[
785 AC_RUN_IFELSE([AC_LANG_SOURCE([[
792 char const *dangling_symlink = "conftest.dangle";
793 unlink(dangling_symlink);
794 if (symlink("conftest.no-such", dangling_symlink) < 0) abort();
795 if (chown(dangling_symlink, getuid(), getgid()) < 0 && errno == ENOENT) return 1;
797 }]])],[rsync_cv_chown_modifies_symlink=yes],[rsync_cv_chown_modifies_symlink=no],[rsync_cv_chown_modifies_symlink=no])])
798 if test $rsync_cv_chown_modifies_symlink = yes; then
799 AC_DEFINE(CHOWN_MODIFIES_SYMLINK, 1, [Define to 1 if chown modifies symlinks.])
802 AC_CACHE_CHECK([whether link() can hard-link symlinks],rsync_cv_can_hardlink_symlink,[
803 AC_RUN_IFELSE([AC_LANG_SOURCE([[
809 #define FILENAME "conftest.dangle"
812 if (symlink("conftest.no-such", FILENAME) < 0) abort();
813 unlink(FILENAME "2");
814 if (link(FILENAME, FILENAME "2") < 0) return 1;
816 }]])],[rsync_cv_can_hardlink_symlink=yes],[rsync_cv_can_hardlink_symlink=no],[rsync_cv_can_hardlink_symlink=no])])
817 if test $rsync_cv_can_hardlink_symlink = yes; then
818 AC_DEFINE(CAN_HARDLINK_SYMLINK, 1, [Define to 1 if link() can hard-link symlinks.])
821 AC_CACHE_CHECK([whether link() can hard-link special files],rsync_cv_can_hardlink_special,[
822 AC_RUN_IFELSE([AC_LANG_SOURCE([[
826 #ifdef HAVE_SYS_STAT_H
827 #include <sys/stat.h>
831 #define FILENAME "conftest.fifi"
834 if (mkfifo(FILENAME, 0777) < 0) abort();
835 unlink(FILENAME "2");
836 if (link(FILENAME, FILENAME "2") < 0) return 1;
838 }]])],[rsync_cv_can_hardlink_special=yes],[rsync_cv_can_hardlink_special=no],[rsync_cv_can_hardlink_special=no])])
839 if test $rsync_cv_can_hardlink_special = yes; then
840 AC_DEFINE(CAN_HARDLINK_SPECIAL, 1, [Define to 1 if link() can hard-link special files.])
843 AC_CACHE_CHECK([for working socketpair],rsync_cv_HAVE_SOCKETPAIR,[
844 AC_RUN_IFELSE([AC_LANG_SOURCE([[
845 #include <sys/types.h>
846 #include <sys/socket.h>
850 return (socketpair(AF_UNIX, SOCK_STREAM, 0, fd) != -1) ? 0 : 1;
851 }]])],[rsync_cv_HAVE_SOCKETPAIR=yes],[rsync_cv_HAVE_SOCKETPAIR=no],[rsync_cv_HAVE_SOCKETPAIR=cross])])
852 if test x"$rsync_cv_HAVE_SOCKETPAIR" = x"yes"; then
853 AC_DEFINE(HAVE_SOCKETPAIR, 1, [Define to 1 if you have the "socketpair" function])
856 AC_REPLACE_FUNCS([getpass])
858 if test x"$with_included_popt" != x"yes"; then
859 AC_CHECK_LIB(popt, poptGetContext, , [with_included_popt=yes])
861 if test x"$ac_cv_header_popt_popt_h" = x"yes"; then
862 # If the system has /usr/include/popt/popt.h, we enable the
863 # included popt because an attempt to "#include <popt/popt.h>"
864 # would use our included header file anyway (due to -I.), and
865 # might conflict with the system popt.
866 with_included_popt=yes
867 elif test x"$ac_cv_header_popt_h" != x"yes"; then
868 with_included_popt=yes
871 AC_MSG_CHECKING([whether to use included libpopt])
872 if test x"$with_included_popt" = x"yes"; then
873 AC_MSG_RESULT($srcdir/popt)
874 BUILD_POPT='$(popt_OBJS)'
875 CFLAGS="-I$srcdir/popt $CFLAGS"
876 if test x"$ALLOCA" != x
878 # this can be removed when/if we add an included alloca.c;
879 # see autoconf documentation on AC_FUNC_ALLOCA
880 AC_MSG_WARN([included libpopt will use malloc, not alloca (which wastes a small amount of memory)])
886 # We default to using our zlib unless --with-included-zlib=no is given.
887 if test x"$with_included_zlib" != x"no"; then
888 with_included_zlib=yes
889 elif test x"$ac_cv_header_zlib_h" != x"yes"; then
890 with_included_zlib=yes
892 if test x"$with_included_zlib" != x"yes"; then
893 AC_CHECK_LIB(z, deflateParams, , [with_included_zlib=yes])
896 AC_MSG_CHECKING([whether to use included zlib])
897 if test x"$with_included_zlib" = x"yes"; then
898 AC_MSG_RESULT($srcdir/zlib)
899 BUILD_ZLIB='$(zlib_OBJS)'
900 CFLAGS="-I$srcdir/zlib $CFLAGS"
902 AC_DEFINE(EXTERNAL_ZLIB, 1, [Define to 1 if using external zlib])
906 AC_CACHE_CHECK([for unsigned char],rsync_cv_SIGNED_CHAR_OK,[
907 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[signed char *s = ""]])],[rsync_cv_SIGNED_CHAR_OK=yes],[rsync_cv_SIGNED_CHAR_OK=no])])
908 if test x"$rsync_cv_SIGNED_CHAR_OK" = x"yes"; then
909 AC_DEFINE(SIGNED_CHAR_OK, 1, [Define to 1 if "signed char" is a valid type])
912 AC_CACHE_CHECK([for broken readdir],rsync_cv_HAVE_BROKEN_READDIR,[
913 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <sys/types.h>
915 int main(void) { struct dirent *di; DIR *d = opendir("."); di = readdir(d);
916 if (di && di->d_name[-2] == '.' && di->d_name[-1] == 0 &&
917 di->d_name[0] == 0) return 0; return 1;} ]])],[rsync_cv_HAVE_BROKEN_READDIR=yes],[rsync_cv_HAVE_BROKEN_READDIR=no],[rsync_cv_HAVE_BROKEN_READDIR=cross])])
918 if test x"$rsync_cv_HAVE_BROKEN_READDIR" = x"yes"; then
919 AC_DEFINE(HAVE_BROKEN_READDIR, 1, [Define to 1 if readdir() is broken])
922 AC_CACHE_CHECK([for utimbuf],rsync_cv_HAVE_STRUCT_UTIMBUF,[
923 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
924 #include <utime.h>]], [[struct utimbuf tbuf; tbuf.actime = 0; tbuf.modtime = 1; return utime("foo.c",&tbuf);]])],[rsync_cv_HAVE_STRUCT_UTIMBUF=yes],[rsync_cv_HAVE_STRUCT_UTIMBUF=no])])
925 if test x"$rsync_cv_HAVE_STRUCT_UTIMBUF" = x"yes"; then
926 AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if you have the "struct utimbuf" type])
929 AC_CACHE_CHECK([if gettimeofday takes tz argument],rsync_cv_HAVE_GETTIMEOFDAY_TZ,[
930 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/time.h>
931 #include <unistd.h>]], [[struct timeval tv; return gettimeofday(&tv, NULL);]])],[rsync_cv_HAVE_GETTIMEOFDAY_TZ=yes],[rsync_cv_HAVE_GETTIMEOFDAY_TZ=no])])
932 if test x"$rsync_cv_HAVE_GETTIMEOFDAY_TZ" != x"no"; then
933 AC_DEFINE(HAVE_GETTIMEOFDAY_TZ, 1, [Define to 1 if gettimeofday() takes a time-zone arg])
936 AC_CACHE_CHECK([for C99 vsnprintf],rsync_cv_HAVE_C99_VSNPRINTF,[
937 AC_RUN_IFELSE([AC_LANG_SOURCE([[
938 #include <sys/types.h>
943 void foo(const char *format, ...) {
948 va_start(ap, format);
949 len = vsnprintf(0, 0, format, ap);
951 if (len != 5) exit(1);
953 if (snprintf(buf, 3, "hello") != 5 || strcmp(buf, "he") != 0) exit(1);
955 int main(void) { foo("hello"); return 0; }
956 ]])],[rsync_cv_HAVE_C99_VSNPRINTF=yes],[rsync_cv_HAVE_C99_VSNPRINTF=no],[rsync_cv_HAVE_C99_VSNPRINTF=cross])])
957 if test x"$rsync_cv_HAVE_C99_VSNPRINTF" = x"yes"; then
958 AC_DEFINE(HAVE_C99_VSNPRINTF, 1, [Define to 1 if vsprintf has a C99-compatible return value])
962 AC_CACHE_CHECK([for secure mkstemp],rsync_cv_HAVE_SECURE_MKSTEMP,[
963 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdlib.h>
964 #include <sys/types.h>
965 #include <sys/stat.h>
969 char tpl[20]="/tmp/test.XXXXXX";
970 int fd = mkstemp(tpl);
971 if (fd == -1) return 1;
973 if (fstat(fd, &st) != 0) return 1;
974 if ((st.st_mode & 0777) != 0600) return 1;
976 }]])],[rsync_cv_HAVE_SECURE_MKSTEMP=yes],[rsync_cv_HAVE_SECURE_MKSTEMP=no],[rsync_cv_HAVE_SECURE_MKSTEMP=cross])])
977 if test x"$rsync_cv_HAVE_SECURE_MKSTEMP" = x"yes"; then
980 dnl HP-UX has a broken mkstemp() implementation they refuse to fix,
981 dnl so we noisily skip using it. See HP change request JAGaf34426
982 dnl for details. (sbonds)
983 AC_MSG_WARN(Skipping broken HP-UX mkstemp() -- using mktemp() instead)
986 AC_DEFINE(HAVE_SECURE_MKSTEMP, 1, [Define to 1 if mkstemp() is available and works right])
992 AC_CACHE_CHECK([if mknod creates FIFOs],rsync_cv_MKNOD_CREATES_FIFOS,[
993 AC_RUN_IFELSE([AC_LANG_SOURCE([[
995 #include <sys/stat.h>
1000 int main(void) { int rc, ec; char *fn = "fifo-test";
1001 unlink(fn); rc = mknod(fn,S_IFIFO,0600); ec = errno; unlink(fn);
1002 if (rc) {printf("(%d %d) ",rc,ec); return ec;}
1003 return 0;}]])],[rsync_cv_MKNOD_CREATES_FIFOS=yes],[rsync_cv_MKNOD_CREATES_FIFOS=no],[rsync_cv_MKNOD_CREATES_FIFOS=cross])])
1004 if test x"$rsync_cv_MKNOD_CREATES_FIFOS" = x"yes"; then
1005 AC_DEFINE(MKNOD_CREATES_FIFOS, 1, [Define to 1 if mknod() can create FIFOs.])
1008 AC_CACHE_CHECK([if mknod creates sockets],rsync_cv_MKNOD_CREATES_SOCKETS,[
1009 AC_RUN_IFELSE([AC_LANG_SOURCE([[
1011 #include <sys/stat.h>
1014 # include <unistd.h>
1016 int main(void) { int rc, ec; char *fn = "sock-test";
1017 unlink(fn); rc = mknod(fn,S_IFSOCK,0600); ec = errno; unlink(fn);
1018 if (rc) {printf("(%d %d) ",rc,ec); return ec;}
1019 return 0;}]])],[rsync_cv_MKNOD_CREATES_SOCKETS=yes],[rsync_cv_MKNOD_CREATES_SOCKETS=no],[rsync_cv_MKNOD_CREATES_SOCKETS=cross])])
1020 if test x"$rsync_cv_MKNOD_CREATES_SOCKETS" = x"yes"; then
1021 AC_DEFINE(MKNOD_CREATES_SOCKETS, 1, [Define to 1 if mknod() can create sockets.])
1025 # The following test was mostly taken from the tcl/tk plus patches
1027 AC_CACHE_CHECK([whether -c -o works],rsync_cv_DASHC_WORKS_WITH_DASHO,[
1029 cat > conftest.$ac_ext <<EOF
1030 int main(void) { return 0; }
1032 ${CC-cc} -c -o conftest..o conftest.$ac_ext
1033 if test -f conftest..o; then
1034 rsync_cv_DASHC_WORKS_WITH_DASHO=yes
1036 rsync_cv_DASHC_WORKS_WITH_DASHO=no
1040 if test x"$rsync_cv_DASHC_WORKS_WITH_DASHO" = x"yes"; then
1043 CC_SHOBJ_FLAG='-o $@'
1045 OBJ_SAVE=' @b=`basename $@ .o`;rm -f $$b.o.sav;if test -f $$b.o; then mv $$b.o $$b.o.sav;fi;'
1046 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'
1051 AC_SUBST(OBJ_RESTORE)
1052 AC_SUBST(CC_SHOBJ_FLAG)
1053 AC_SUBST(BUILD_POPT)
1054 AC_SUBST(BUILD_ZLIB)
1057 AC_CHECK_FUNCS(_acl __acl _facl __facl)
1058 #################################################
1059 # check for ACL support
1061 AC_MSG_CHECKING([whether to support ACLs])
1062 AC_ARG_ENABLE(acl-support,
1063 AS_HELP_STRING([--disable-acl-support],[disable ACL support]))
1065 if test x"$enable_acl_support" = x"no"; then
1070 AC_MSG_RESULT(Using UnixWare ACLs)
1071 AC_DEFINE(HAVE_UNIXWARE_ACLS, 1, [true if you have UnixWare ACLs])
1072 AC_DEFINE(SUPPORT_ACLS, 1, [Define to 1 to add support for ACLs])
1075 AC_MSG_RESULT(Using solaris ACLs)
1076 AC_DEFINE(HAVE_SOLARIS_ACLS, 1, [true if you have solaris ACLs])
1077 AC_DEFINE(SUPPORT_ACLS, 1)
1080 AC_MSG_RESULT(Using HPUX ACLs)
1081 AC_DEFINE(HAVE_HPUX_ACLS, 1, [true if you have HPUX ACLs])
1082 AC_DEFINE(SUPPORT_ACLS, 1)
1085 AC_MSG_RESULT(Using IRIX ACLs)
1086 AC_DEFINE(HAVE_IRIX_ACLS, 1, [true if you have IRIX ACLs])
1087 AC_DEFINE(SUPPORT_ACLS, 1)
1090 AC_MSG_RESULT(Using AIX ACLs)
1091 AC_DEFINE(HAVE_AIX_ACLS, 1, [true if you have AIX ACLs])
1092 AC_DEFINE(SUPPORT_ACLS, 1)
1095 AC_MSG_RESULT(Using Tru64 ACLs)
1096 AC_DEFINE(HAVE_TRU64_ACLS, 1, [true if you have Tru64 ACLs])
1097 AC_DEFINE(SUPPORT_ACLS, 1)
1101 AC_MSG_RESULT(Using OS X ACLs)
1102 AC_DEFINE(HAVE_OSX_ACLS, 1, [true if you have Mac OS X ACLs])
1103 AC_DEFINE(SUPPORT_ACLS, 1)
1106 AC_MSG_RESULT(running tests:)
1107 AC_CHECK_LIB(acl,acl_get_file)
1108 AC_CACHE_CHECK([for ACL support],samba_cv_HAVE_POSIX_ACLS,[
1109 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
1110 #include <sys/acl.h>]], [[ acl_t acl; int entry_id; acl_entry_t *entry_p; return acl_get_entry( acl, entry_id, entry_p);]])],[samba_cv_HAVE_POSIX_ACLS=yes],[samba_cv_HAVE_POSIX_ACLS=no])])
1111 AC_MSG_CHECKING(ACL test results)
1112 if test x"$samba_cv_HAVE_POSIX_ACLS" = x"yes"; then
1113 AC_MSG_RESULT(Using posix ACLs)
1114 AC_DEFINE(HAVE_POSIX_ACLS, 1, [true if you have posix ACLs])
1115 AC_DEFINE(SUPPORT_ACLS, 1)
1116 AC_CACHE_CHECK([for acl_get_perm_np],samba_cv_HAVE_ACL_GET_PERM_NP,[
1117 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
1118 #include <sys/acl.h>]], [[ acl_permset_t permset_d; acl_perm_t perm; return acl_get_perm_np( permset_d, perm);]])],[samba_cv_HAVE_ACL_GET_PERM_NP=yes],[samba_cv_HAVE_ACL_GET_PERM_NP=no])])
1119 if test x"$samba_cv_HAVE_ACL_GET_PERM_NP" = x"yes"; then
1120 AC_DEFINE(HAVE_ACL_GET_PERM_NP, 1, [true if you have acl_get_perm_np])
1123 if test x"$enable_acl_support" = x"yes"; then
1124 AC_MSG_ERROR(Failed to find ACL support)
1126 AC_MSG_RESULT(No ACL support found)
1133 #################################################
1134 # check for extended attribute support
1135 AC_MSG_CHECKING(whether to support extended attributes)
1136 AC_ARG_ENABLE(xattr-support,
1137 AS_HELP_STRING([--disable-xattr-support],[disable extended attributes]),
1138 [], [case "$ac_cv_func_getxattr$ac_cv_func_extattr_get_link$ac_cv_func_attropen" in
1139 *yes*) enable_xattr_support=maybe ;;
1140 *) enable_xattr_support=no ;;
1142 AH_TEMPLATE([SUPPORT_XATTRS],
1143 [Define to 1 to add support for extended attributes])
1144 if test x"$enable_xattr_support" = x"no"; then
1149 AC_MSG_RESULT(Using Linux xattrs)
1150 AC_DEFINE(HAVE_LINUX_XATTRS, 1, [True if you have Linux xattrs (or equivalent)])
1151 AC_DEFINE(SUPPORT_XATTRS, 1)
1152 AC_DEFINE(NO_SYMLINK_USER_XATTRS, 1, [True if symlinks do not support user xattrs])
1153 AC_CHECK_LIB(attr,getxattr)
1156 AC_MSG_RESULT(Using OS X xattrs)
1157 AC_DEFINE(HAVE_OSX_XATTRS, 1, [True if you have Mac OS X xattrs])
1158 AC_DEFINE(SUPPORT_XATTRS, 1)
1159 AC_DEFINE(NO_DEVICE_XATTRS, 1, [True if device files do not support xattrs])
1160 AC_DEFINE(NO_SPECIAL_XATTRS, 1, [True if special files do not support xattrs])
1163 AC_MSG_RESULT(Using FreeBSD extattrs)
1164 AC_DEFINE(HAVE_FREEBSD_XATTRS, 1, [True if you have FreeBSD xattrs])
1165 AC_DEFINE(SUPPORT_XATTRS, 1)
1168 AC_MSG_RESULT(Using Solaris xattrs)
1169 AC_DEFINE(HAVE_SOLARIS_XATTRS, 1, [True if you have Solaris xattrs])
1170 AC_DEFINE(SUPPORT_XATTRS, 1)
1171 AC_DEFINE(NO_SYMLINK_XATTRS, 1, [True if symlinks do not support xattrs])
1174 if test x"$enable_xattr_support" = x"yes"; then
1175 AC_MSG_ERROR(Failed to find extended attribute support)
1177 AC_MSG_RESULT(No extended attribute support found)
1183 if test x"$enable_acl_support" = x"no" -o x"$enable_xattr_support" = x"no" -o x"$enable_iconv" = x"no"; then
1184 AC_MSG_CHECKING([whether $CC supports -Wno-unused-parameter])
1185 OLD_CFLAGS="$CFLAGS"
1186 CFLAGS="$CFLAGS -Wno-unused-parameter"
1187 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>]], [[printf("hello\n");]])],[rsync_warn_flag=yes],[rsync_warn_flag=no])
1188 AC_MSG_RESULT([$rsync_warn_flag])
1189 if test x"$rsync_warn_flag" = x"no"; then
1190 CFLAGS="$OLD_CFLAGS"
1195 ' checker'*|checker*)
1196 AC_DEFINE(FORCE_FD_ZERO_MEMSET, 1, [Used to make "checker" understand that FD_ZERO() clears memory.])
1200 AC_CONFIG_FILES([Makefile lib/dummy zlib/dummy popt/dummy shconfig])
1204 AC_MSG_RESULT([ rsync ${RSYNC_VERSION} configuration successful])
1206 if test x$HAVE_YODL2MAN != x1; then
1207 AC_MSG_RESULT([ Note that yodl2man was not found, so pre-existing manpage files will be])
1208 AC_MSG_RESULT([ used w/o change (if available) -- no .yo file changes will be used.])