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, "$RSYNC_RSH", [default -e command])
138 # Some programs on solaris are only found in /usr/xpg4/bin (or work better than others versions).
139 AC_PATH_PROG(SHELL_PATH, sh, /bin/sh, [/usr/xpg4/bin$PATH_SEPARATOR$PATH])
140 AC_PATH_PROG(FAKEROOT_PATH, fakeroot, /usr/bin/fakeroot, [/usr/xpg4/bin$PATH_SEPARATOR$PATH])
142 AC_ARG_WITH(nobody-group,
143 AS_HELP_STRING([--with-nobody-group=GROUP],[set the default unprivileged group (default nobody or nogroup)]),
144 [ NOBODY_GROUP="$with_nobody_group" ])
146 if test x"$with_nobody_group" = x; then
147 AC_MSG_CHECKING([the group for user "nobody"])
148 if grep '^nobody:' /etc/group >/dev/null 2>&1; then
150 elif grep '^nogroup:' /etc/group >/dev/null 2>&1; then
153 NOBODY_GROUP=nobody # test for others?
155 AC_MSG_RESULT($NOBODY_GROUP)
158 AC_DEFINE_UNQUOTED(NOBODY_USER, "nobody", [unprivileged user--e.g. nobody])
159 AC_DEFINE_UNQUOTED(NOBODY_GROUP, "$NOBODY_GROUP", [unprivileged group for unprivileged user])
164 AC_MSG_CHECKING([whether to enable SIMD optimizations])
166 AS_HELP_STRING([--disable-simd],[disable SIMD optimizations (requires g++)]))
168 if test x"$enable_simd" != x"no"; then
169 # For x86-64 SIMD, g++ is also required
170 if test x"$build_cpu" = x"x86_64" && test x"$CXX" = x"g++"; then
175 if test x"$SIMD" != x""; then
176 SIMD=`echo "$SIMD" | sed -e 's/^ *//'`
177 AC_MSG_RESULT([yes ($SIMD)])
178 AC_DEFINE(HAVE_SIMD, 1, [Define to 1 to enable SIMD optimizations])
179 SIMD=`echo "$SIMD" | sed -e 's/[[^ ]]\+/$(SIMD_&)/g'`
186 # We only use g++ for its target attribute dispatching, disable unneeded bulky features
187 if test x"$CXXOBJ" != x""; then
188 CXXFLAGS="$CXXFLAGS -fno-exceptions -fno-rtti"
191 # arrgh. libc in some old debian version screwed up the largefile
192 # stuff, getting byte range locking wrong
193 AC_CACHE_CHECK([for broken largefile support],rsync_cv_HAVE_BROKEN_LARGEFILE,[
194 AC_RUN_IFELSE([AC_LANG_SOURCE([[
195 #define _FILE_OFFSET_BITS 64
198 #include <sys/types.h>
199 #include <sys/wait.h>
208 char tpl[32] = "/tmp/locktest.XXXXXX";
209 int fd = mkstemp(tpl);
211 strcpy(tpl, "conftest.dat");
212 fd = open(tpl, O_CREAT|O_RDWR, 0600);
215 lock.l_type = F_WRLCK;
216 lock.l_whence = SEEK_SET;
220 fcntl(fd,F_SETLK,&lock);
223 _exit(fcntl(fd,F_SETLK,&lock) == 0);
227 return WEXITSTATUS(status);
229 ]])],[rsync_cv_HAVE_BROKEN_LARGEFILE=yes],[rsync_cv_HAVE_BROKEN_LARGEFILE=no],[rsync_cv_HAVE_BROKEN_LARGEFILE=cross])])
230 if test x"$rsync_cv_HAVE_BROKEN_LARGEFILE" != x"yes"; then
239 AS_HELP_STRING([--disable-ipv6],[turn off IPv6 support]))
240 if test x"$enable_ipv6" != x"no"; then
241 AC_MSG_CHECKING([ipv6 stack type])
242 for i in inria kame linux-glibc linux-inet6 solaris toshiba v6d zeta cygwin; do
245 # http://www.kame.net/
247 #include <netinet/in.h>
248 #ifdef IPV6_INRIA_VERSION
252 AC_DEFINE(INET6, 1, [true if you have IPv6])
256 # http://www.kame.net/
258 #include <netinet/in.h>
263 AC_DEFINE(INET6, 1, [true if you have IPv6])])
266 # http://www.v6.linux.or.jp/
268 #include <features.h>
269 #if defined(__GLIBC__) && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1
273 AC_DEFINE(INET6, 1, [true if you have IPv6])])
276 # http://www.v6.linux.or.jp/
277 if test -d /usr/inet6 -o -f /usr/inet6/lib/libinet6.a; then
280 ipv6libdir=/usr/inet6/lib
282 AC_DEFINE(INET6, 1, [true if you have IPv6])
283 CFLAGS="-I/usr/inet6/include $CFLAGS"
289 #include <netinet/ip6.h>
294 AC_DEFINE(INET6, 1, [true if you have IPv6])])
298 #include <sys/param.h>
299 #ifdef _TOSHIBA_INET6
304 ipv6libdir=/usr/local/v6/lib;
305 AC_DEFINE(INET6, 1, [true if you have IPv6])])
309 #include </usr/local/v6/include/sys/v6config.h>
315 ipv6libdir=/usr/local/v6/lib;
316 AC_DEFINE(INET6, 1, [true if you have IPv6])])
320 #include <sys/param.h>
321 #ifdef _ZETA_MINAMI_INET6
326 ipv6libdir=/usr/local/v6/lib;
327 AC_DEFINE(INET6, 1, [true if you have IPv6])])
331 #include <netinet/in.h>
336 AC_DEFINE(INET6, 1, [true if you have IPv6])])
339 if test "$ipv6type" != "unknown"; then
343 AC_MSG_RESULT($ipv6type)
345 AC_SEARCH_LIBS(getaddrinfo, inet6)
348 dnl Do you want to disable use of locale functions
349 AC_ARG_ENABLE([locale],
350 AS_HELP_STRING([--disable-locale],[disable locale features]))
351 AH_TEMPLATE([CONFIG_LOCALE],
352 [Undefine if you do not want locale features. By default this is defined.])
353 if test x"$enable_locale" != x"no"; then
354 AC_DEFINE(CONFIG_LOCALE)
357 AC_MSG_CHECKING([whether to call shutdown on all sockets])
359 *cygwin* ) AC_MSG_RESULT(yes)
360 AC_DEFINE(SHUTDOWN_ALL_SOCKETS, 1,
361 [Define to 1 if sockets need to be shutdown])
363 * ) AC_MSG_RESULT(no);;
370 AC_CHECK_HEADERS(sys/fcntl.h sys/select.h fcntl.h sys/time.h sys/unistd.h \
371 unistd.h utime.h grp.h compat.h sys/param.h ctype.h sys/wait.h \
372 sys/ioctl.h sys/filio.h string.h stdlib.h sys/socket.h sys/mode.h \
373 sys/un.h sys/attr.h mcheck.h arpa/inet.h arpa/nameser.h locale.h \
374 netdb.h malloc.h float.h limits.h iconv.h libcharset.h langinfo.h \
375 sys/acl.h acl/libacl.h attr/xattr.h sys/xattr.h sys/extattr.h \
376 popt.h popt/popt.h linux/falloc.h netinet/in_systm.h netinet/ip.h \
377 zlib.h xxhash.h openssl/md4.h openssl/md5.h zstd.h lz4.h)
378 AC_HEADER_MAJOR_FIXED
380 AC_MSG_CHECKING([whether to enable use of openssl crypto library])
381 AC_ARG_ENABLE([openssl],
382 AS_HELP_STRING([--disable-openssl],[disable openssl crypto library]))
383 AH_TEMPLATE([USE_OPENSSL],
384 [Undefine if you do not want to use openssl crypto library. By default this is defined.])
385 if test x"$enable_openssl" != x"no" && test x"$ac_cv_header_openssl_md4_h" = x"yes" && test x"$ac_cv_header_openssl_md5_h" = x"yes"; then
387 AC_SEARCH_LIBS(MD5_Init, crypto, [AC_DEFINE(USE_OPENSSL)])
392 AC_MSG_CHECKING([whether to enable xxhash checksum support])
393 AC_ARG_ENABLE([xxhash],
394 AS_HELP_STRING([--disable-xxhash],[disable xxhash checksums]))
395 AH_TEMPLATE([SUPPORT_XXHASH],
396 [Undefine if you do not want xxhash checksums. By default this is defined.])
397 if test x"$enable_xxhash" != x"no" && test x"$ac_cv_header_xxhash_h" = x"yes"; then
399 AC_SEARCH_LIBS(XXH64_createState, xxhash, [AC_DEFINE(SUPPORT_XXHASH)])
404 AC_MSG_CHECKING([whether to enable zstd compression])
405 AC_ARG_ENABLE([zstd],
406 AC_HELP_STRING([--disable-zstd], [disable zstd compression]))
407 AH_TEMPLATE([SUPPORT_ZSTD],
408 [Undefine if you do not want zstd compression. By default this is defined.])
409 if test x"$enable_zstd" != x"no" && test x"$ac_cv_header_zstd_h" = x"yes"; then
411 AC_SEARCH_LIBS(ZSTD_minCLevel, zstd, [AC_DEFINE(SUPPORT_ZSTD)])
416 AC_MSG_CHECKING([whether to enable LZ4 compression])
418 AC_HELP_STRING([--disable-lz4], [disable LZ4 compression]))
419 AH_TEMPLATE([SUPPORT_LZ4],
420 [Undefine if you do not want LZ4 compression. By default this is defined.])
421 if test x"$enable_lz4" != x"no" && test x"$ac_cv_header_lz4_h" = x"yes"; then
423 AC_SEARCH_LIBS(LZ4_compress_default, lz4, [AC_DEFINE(SUPPORT_LZ4)])
428 AC_CACHE_CHECK([if makedev takes 3 args],rsync_cv_MAKEDEV_TAKES_3_ARGS,[
429 AC_RUN_IFELSE([AC_LANG_SOURCE([[
430 #include <sys/types.h>
431 #ifdef MAJOR_IN_MKDEV
432 #include <sys/mkdev.h>
433 # if !defined makedev && (defined mkdev || defined _WIN32 || defined __WIN32__)
434 # define makedev mkdev
436 #elif defined MAJOR_IN_SYSMACROS
437 #include <sys/sysmacros.h>
442 dev_t dev = makedev(0, 5, 7);
443 if (major(dev) != 5 || minor(dev) != 7)
447 ]])],[rsync_cv_MAKEDEV_TAKES_3_ARGS=yes],[rsync_cv_MAKEDEV_TAKES_3_ARGS=no],[rsync_cv_MAKEDEV_TAKES_3_ARGS=no])])
448 if test x"$rsync_cv_MAKEDEV_TAKES_3_ARGS" = x"yes"; then
449 AC_DEFINE(MAKEDEV_TAKES_3_ARGS, 1, [Define to 1 if makedev() takes 3 args])
453 AC_CHECK_SIZEOF(long)
454 AC_CHECK_SIZEOF(long long)
455 AC_CHECK_SIZEOF(short)
456 AC_CHECK_SIZEOF(int16_t)
457 AC_CHECK_SIZEOF(uint16_t)
458 AC_CHECK_SIZEOF(int32_t)
459 AC_CHECK_SIZEOF(uint32_t)
460 AC_CHECK_SIZEOF(int64_t)
461 AC_CHECK_SIZEOF(off_t)
462 AC_CHECK_SIZEOF(off64_t)
463 AC_CHECK_SIZEOF(time_t)
464 AC_CHECK_SIZEOF(char*)
468 AC_TYPE_LONG_DOUBLE_WIDER
469 ac_cv_c_long_double=$ac_cv_type_long_double_wider
470 if test $ac_cv_c_long_double = yes; then
471 AC_DEFINE([HAVE_LONG_DOUBLE],[1],[Define to 1 if the type `long double' works and has more range or precision than `double'.])
475 AC_CHECK_TYPES([mode_t,off_t,size_t,pid_t,id_t])
477 AC_CHECK_MEMBERS([struct stat.st_rdev,
478 struct stat.st_mtimensec,
479 struct stat.st_mtimespec.tv_nsec,
480 struct stat.st_mtim.tv_nsec],,,[
481 #ifdef HAVE_SYS_TYPES_H
482 #include <sys/types.h>
484 #ifdef HAVE_SYS_STAT_H
485 #include <sys/stat.h>
493 AC_CACHE_CHECK([for errno in errno.h],rsync_cv_errno, [
494 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <errno.h>]], [[int i = errno]])],[rsync_cv_errno=yes],[rsync_cv_have_errno_decl=no])])
495 if test x"$rsync_cv_errno" = x"yes"; then
496 AC_DEFINE(HAVE_ERRNO_DECL, 1, [Define to 1 if errno is declared in errno.h])
499 # The following test taken from the cvs sources
500 # If we can't find connect, try looking in -lsocket, -lnsl, and -linet.
501 # These need checks to be before checks for any other functions that
502 # might be in the same libraries.
503 # The Irix 5 libc.so has connect and gethostbyname, but Irix 5 also has
504 # libsocket.so which has a bad implementation of gethostbyname (it
505 # only looks in /etc/hosts), so we only look for -lsocket if we need
507 AC_CHECK_FUNCS(connect)
508 if test x"$ac_cv_func_connect" = x"no"; then
511 *) AC_CHECK_LIB(nsl_s, printf) ;;
515 *) AC_CHECK_LIB(nsl, printf) ;;
519 *) AC_CHECK_LIB(socket, connect) ;;
523 *) AC_CHECK_LIB(inet, connect) ;;
525 dnl We can't just call AC_CHECK_FUNCS(connect) here, because the value
527 if test x"$ac_cv_lib_socket_connect" = x"yes" ||
528 test x"$ac_cv_lib_inet_connect" = x"yes"; then
529 # ac_cv_func_connect=yes
530 # don't! it would cause AC_CHECK_FUNC to succeed next time configure is run
531 AC_DEFINE(HAVE_CONNECT, 1, [Define to 1 if you have the "connect" function])
535 AC_SEARCH_LIBS(inet_ntop, resolv)
537 # For OS X, Solaris, HP-UX, etc.: figure out if -liconv is needed. We'll
538 # accept either iconv_open or libiconv_open, since some include files map
539 # the former to the latter.
540 AC_SEARCH_LIBS(iconv_open, iconv)
541 AC_SEARCH_LIBS(libiconv_open, iconv)
543 AC_MSG_CHECKING([for iconv declaration])
544 AC_CACHE_VAL(am_cv_proto_iconv, [
545 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
552 #if defined(__STDC__) || defined(__cplusplus)
553 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
557 ]], [[]])],[am_cv_proto_iconv_arg1=""],[am_cv_proto_iconv_arg1="const"])
558 am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"])
559 am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'`
560 AC_MSG_RESULT([$]{ac_t:-
561 }[$]am_cv_proto_iconv)
562 AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1,
563 [Define as const if the declaration of iconv() needs const.])
565 dnl AC_MSG_NOTICE([Looking in libraries: $LIBS])
567 AC_REPLACE_FUNCS([inet_ntop inet_pton])
569 AC_HAVE_TYPE([struct addrinfo], [#include <netdb.h>])
570 AC_HAVE_TYPE([struct sockaddr_storage], [#include <sys/types.h>
571 #include <sys/socket.h>])
573 # Irix 6.5 has getaddrinfo but not the corresponding defines, so use
574 # builtin getaddrinfo if one of the defines don't exist
575 AC_CACHE_CHECK([whether defines needed by getaddrinfo exist],
576 rsync_cv_HAVE_GETADDR_DEFINES,[
578 #include <sys/types.h>
579 #include <sys/socket.h>
584 rsync_cv_HAVE_GETADDR_DEFINES=yes,
585 rsync_cv_HAVE_GETADDR_DEFINES=no)])
586 AS_IF([test x"$rsync_cv_HAVE_GETADDR_DEFINES" = x"yes" -a x"$ac_cv_type_struct_addrinfo" = x"yes"],[
587 # Tru64 UNIX has getaddrinfo() but has it renamed in libc as
588 # something else so we must include <netdb.h> to get the
590 AC_CHECK_FUNCS(getaddrinfo, ,
591 [AC_MSG_CHECKING([for getaddrinfo by including <netdb.h>])
592 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
593 #include <sys/socket.h>
594 #include <netdb.h>]], [[getaddrinfo(NULL, NULL, NULL, NULL);]])],[AC_MSG_RESULT([yes])
595 AC_DEFINE(HAVE_GETADDRINFO, 1,
596 [Define to 1 if you have the "getaddrinfo" function and required types.])],[AC_MSG_RESULT([no])
597 AC_LIBOBJ([getaddrinfo])])])
598 ],[AC_LIBOBJ([getaddrinfo])])
600 AC_CHECK_MEMBER([struct sockaddr.sa_len],
601 [ AC_DEFINE(HAVE_SOCKADDR_LEN, 1, [Do we have sockaddr.sa_len?]) ],
604 #include <sys/types.h>
605 #include <sys/socket.h>
608 AC_CHECK_MEMBER([struct sockaddr_in.sin_len],
609 [ AC_DEFINE(HAVE_SOCKADDR_IN_LEN, 1, [Do we have sockaddr_in.sin_len?]) ],
612 #include <sys/types.h>
613 #include <sys/socket.h>
614 #include <netinet/in.h>
617 AC_CHECK_MEMBER([struct sockaddr_un.sun_len],
618 [ AC_DEFINE(HAVE_SOCKADDR_UN_LEN, 1, [Do we have sockaddr_un.sun_len?]) ],
621 #include <sys/types.h>
622 #include <sys/socket.h>
623 #include <netinet/in.h>
626 AC_CHECK_MEMBER([struct sockaddr_in6.sin6_scope_id],
627 [ AC_DEFINE(HAVE_SOCKADDR_IN6_SCOPE_ID, 1, [Do we have sockaddr_in6.sin6_scope_id?]) ],
630 #include <sys/types.h>
631 #include <sys/socket.h>
632 #include <netinet/in.h>
635 AC_HAVE_TYPE([struct stat64], [#include <stdio.h>
637 # include <sys/types.h>
640 # include <sys/stat.h>
652 # if we can't find strcasecmp, look in -lresolv (for Unixware at least)
654 AC_CHECK_FUNCS(strcasecmp)
655 if test x"$ac_cv_func_strcasecmp" = x"no"; then
656 AC_CHECK_LIB(resolv, strcasecmp)
659 AC_CHECK_FUNCS(aclsort)
660 if test x"$ac_cv_func_aclsort" = x"no"; then
661 AC_CHECK_LIB(sec, aclsort)
664 dnl At the moment we don't test for a broken memcmp(), because all we
665 dnl need to do is test for equality, not comparison, and it seems that
666 dnl every platform has a memcmp that can do at least that.
671 AC_CHECK_FUNCS(waitpid wait4 getcwd strdup chown chmod lchmod mknod mkfifo \
672 fchmod fstat ftruncate strchr readlink link utime utimes lutimes strftime \
673 chflags getattrlist \
674 memmove lchown vsnprintf snprintf vasprintf asprintf setsid strpbrk \
675 strlcat strlcpy strtol mallinfo getgroups setgroups geteuid getegid \
676 setlocale setmode open64 lseek64 mkstemp64 mtrace va_copy __va_copy \
677 seteuid strerror putenv iconv_open locale_charset nl_langinfo getxattr \
678 extattr_get_link sigaction sigprocmask setattrlist getgrouplist \
679 initgroups utimensat posix_fallocate attropen setvbuf nanosleep usleep)
681 dnl cygwin iconv.h defines iconv_open as libiconv_open
682 if test x"$ac_cv_func_iconv_open" != x"yes"; then
683 AC_CHECK_FUNC(libiconv_open, [ac_cv_func_iconv_open=yes; AC_DEFINE(HAVE_ICONV_OPEN, 1)])
686 dnl Preallocation stuff (also fallocate, posix_fallocate function tests above):
688 AC_CACHE_CHECK([for useable fallocate],rsync_cv_have_fallocate,[
689 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <fcntl.h>
690 #include <sys/types.h>]], [[fallocate(0, 0, 0, 0);]])],[rsync_cv_have_fallocate=yes],[rsync_cv_have_fallocate=no])])
691 if test x"$rsync_cv_have_fallocate" = x"yes"; then
692 AC_DEFINE(HAVE_FALLOCATE, 1, [Define to 1 if you have the fallocate function and it compiles and links without error])
695 AC_MSG_CHECKING([for FALLOC_FL_PUNCH_HOLE])
696 AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
697 #define _GNU_SOURCE 1
698 #include <linux/falloc.h>
699 #ifndef FALLOC_FL_PUNCH_HOLE
700 #error FALLOC_FL_PUNCH_HOLE is missing
704 AC_DEFINE([HAVE_FALLOC_FL_PUNCH_HOLE], [1], [Define if FALLOC_FL_PUNCH_HOLE is available.])
710 AC_MSG_CHECKING([for FALLOC_FL_ZERO_RANGE])
711 AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
712 #define _GNU_SOURCE 1
713 #include <linux/falloc.h>
714 #ifndef FALLOC_FL_ZERO_RANGE
715 #error FALLOC_FL_ZERO_RANGE is missing
719 AC_DEFINE([HAVE_FALLOC_FL_ZERO_RANGE], [1], [Define if FALLOC_FL_ZERO_RANGE is available.])
725 AC_CACHE_CHECK([for SYS_fallocate],rsync_cv_have_sys_fallocate,[
726 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/syscall.h>
728 #include <sys/types.h>]], [[syscall(SYS_fallocate, 0, 0, (loff_t)0, (loff_t)0);]])],[rsync_cv_have_sys_fallocate=yes],[rsync_cv_have_sys_fallocate=no])])
729 if test x"$rsync_cv_have_sys_fallocate" = x"yes"; then
730 AC_DEFINE(HAVE_SYS_FALLOCATE, 1, [Define to 1 if you have the SYS_fallocate syscall number])
733 if test x"$ac_cv_func_posix_fallocate" = x"yes"; then
734 AC_MSG_CHECKING([whether posix_fallocate is efficient])
738 AC_DEFINE(HAVE_EFFICIENT_POSIX_FALLOCATE, 1,
739 [Define if posix_fallocate is efficient (Cygwin)])
747 dnl End of preallocation stuff
749 AC_CHECK_FUNCS(getpgrp tcgetpgrp)
750 if test $ac_cv_func_getpgrp = yes; then
754 AC_ARG_ENABLE(iconv-open,
755 AS_HELP_STRING([--disable-iconv-open],[disable all use of iconv_open() function]),
756 [], [enable_iconv_open=$ac_cv_func_iconv_open])
758 if test x"$enable_iconv_open" != x"no"; then
759 AC_DEFINE(USE_ICONV_OPEN, 1, [Define to 1 if you want rsync to make use of iconv_open()])
763 AS_HELP_STRING([--disable-iconv],[disable rsync's --iconv option]),
764 [], [enable_iconv=$enable_iconv_open])
765 AH_TEMPLATE([ICONV_OPTION],
766 [Define if you want the --iconv option. Specifing a value will set the
767 default iconv setting (a NULL means no --iconv processing by default).])
768 if test x"$enable_iconv" != x"no"; then
769 if test x"$enable_iconv" = x"yes"; then
770 AC_DEFINE(ICONV_OPTION, NULL)
772 AC_DEFINE_UNQUOTED(ICONV_OPTION, "$enable_iconv")
774 AC_DEFINE(UTF8_CHARSET, "UTF-8", [String to pass to iconv() for the UTF-8 charset.])
777 AC_CACHE_CHECK([whether chown() modifies symlinks],rsync_cv_chown_modifies_symlink,[
778 AC_RUN_IFELSE([AC_LANG_SOURCE([[
785 char const *dangling_symlink = "conftest.dangle";
786 unlink(dangling_symlink);
787 if (symlink("conftest.no-such", dangling_symlink) < 0) abort();
788 if (chown(dangling_symlink, getuid(), getgid()) < 0 && errno == ENOENT) return 1;
790 }]])],[rsync_cv_chown_modifies_symlink=yes],[rsync_cv_chown_modifies_symlink=no],[rsync_cv_chown_modifies_symlink=no])])
791 if test $rsync_cv_chown_modifies_symlink = yes; then
792 AC_DEFINE(CHOWN_MODIFIES_SYMLINK, 1, [Define to 1 if chown modifies symlinks.])
795 AC_CACHE_CHECK([whether link() can hard-link symlinks],rsync_cv_can_hardlink_symlink,[
796 AC_RUN_IFELSE([AC_LANG_SOURCE([[
802 #define FILENAME "conftest.dangle"
805 if (symlink("conftest.no-such", FILENAME) < 0) abort();
806 unlink(FILENAME "2");
807 if (link(FILENAME, FILENAME "2") < 0) return 1;
809 }]])],[rsync_cv_can_hardlink_symlink=yes],[rsync_cv_can_hardlink_symlink=no],[rsync_cv_can_hardlink_symlink=no])])
810 if test $rsync_cv_can_hardlink_symlink = yes; then
811 AC_DEFINE(CAN_HARDLINK_SYMLINK, 1, [Define to 1 if link() can hard-link symlinks.])
814 AC_CACHE_CHECK([whether link() can hard-link special files],rsync_cv_can_hardlink_special,[
815 AC_RUN_IFELSE([AC_LANG_SOURCE([[
819 #ifdef HAVE_SYS_STAT_H
820 #include <sys/stat.h>
824 #define FILENAME "conftest.fifi"
827 if (mkfifo(FILENAME, 0777) < 0) abort();
828 unlink(FILENAME "2");
829 if (link(FILENAME, FILENAME "2") < 0) return 1;
831 }]])],[rsync_cv_can_hardlink_special=yes],[rsync_cv_can_hardlink_special=no],[rsync_cv_can_hardlink_special=no])])
832 if test $rsync_cv_can_hardlink_special = yes; then
833 AC_DEFINE(CAN_HARDLINK_SPECIAL, 1, [Define to 1 if link() can hard-link special files.])
836 AC_CACHE_CHECK([for working socketpair],rsync_cv_HAVE_SOCKETPAIR,[
837 AC_RUN_IFELSE([AC_LANG_SOURCE([[
838 #include <sys/types.h>
839 #include <sys/socket.h>
843 return (socketpair(AF_UNIX, SOCK_STREAM, 0, fd) != -1) ? 0 : 1;
844 }]])],[rsync_cv_HAVE_SOCKETPAIR=yes],[rsync_cv_HAVE_SOCKETPAIR=no],[rsync_cv_HAVE_SOCKETPAIR=cross])])
845 if test x"$rsync_cv_HAVE_SOCKETPAIR" = x"yes"; then
846 AC_DEFINE(HAVE_SOCKETPAIR, 1, [Define to 1 if you have the "socketpair" function])
849 AC_REPLACE_FUNCS([getpass])
851 if test x"$with_included_popt" != x"yes"; then
852 AC_CHECK_LIB(popt, poptGetContext, , [with_included_popt=yes])
854 if test x"$ac_cv_header_popt_popt_h" = x"yes"; then
855 # If the system has /usr/include/popt/popt.h, we enable the
856 # included popt because an attempt to "#include <popt/popt.h>"
857 # would use our included header file anyway (due to -I.), and
858 # might conflict with the system popt.
859 with_included_popt=yes
860 elif test x"$ac_cv_header_popt_h" != x"yes"; then
861 with_included_popt=yes
864 AC_MSG_CHECKING([whether to use included libpopt])
865 if test x"$with_included_popt" = x"yes"; then
866 AC_MSG_RESULT($srcdir/popt)
867 BUILD_POPT='$(popt_OBJS)'
868 CFLAGS="-I$srcdir/popt $CFLAGS"
869 if test x"$ALLOCA" != x
871 # this can be removed when/if we add an included alloca.c;
872 # see autoconf documentation on AC_FUNC_ALLOCA
873 AC_MSG_WARN([included libpopt will use malloc, not alloca (which wastes a small amount of memory)])
879 # We default to using our zlib unless --with-included-zlib=no is given.
880 if test x"$with_included_zlib" != x"no"; then
881 with_included_zlib=yes
882 elif test x"$ac_cv_header_zlib_h" != x"yes"; then
883 with_included_zlib=yes
885 if test x"$with_included_zlib" != x"yes"; then
886 AC_CHECK_LIB(z, deflateParams, , [with_included_zlib=yes])
889 AC_MSG_CHECKING([whether to use included zlib])
890 if test x"$with_included_zlib" = x"yes"; then
891 AC_MSG_RESULT($srcdir/zlib)
892 BUILD_ZLIB='$(zlib_OBJS)'
893 CFLAGS="-I$srcdir/zlib $CFLAGS"
895 AC_DEFINE(EXTERNAL_ZLIB, 1, [Define to 1 if using external zlib])
899 AC_CACHE_CHECK([for unsigned char],rsync_cv_SIGNED_CHAR_OK,[
900 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[signed char *s = ""]])],[rsync_cv_SIGNED_CHAR_OK=yes],[rsync_cv_SIGNED_CHAR_OK=no])])
901 if test x"$rsync_cv_SIGNED_CHAR_OK" = x"yes"; then
902 AC_DEFINE(SIGNED_CHAR_OK, 1, [Define to 1 if "signed char" is a valid type])
905 AC_CACHE_CHECK([for broken readdir],rsync_cv_HAVE_BROKEN_READDIR,[
906 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <sys/types.h>
908 int main(void) { struct dirent *di; DIR *d = opendir("."); di = readdir(d);
909 if (di && di->d_name[-2] == '.' && di->d_name[-1] == 0 &&
910 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])])
911 if test x"$rsync_cv_HAVE_BROKEN_READDIR" = x"yes"; then
912 AC_DEFINE(HAVE_BROKEN_READDIR, 1, [Define to 1 if readdir() is broken])
915 AC_CACHE_CHECK([for utimbuf],rsync_cv_HAVE_STRUCT_UTIMBUF,[
916 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
917 #include <utime.h>]], [[struct utimbuf tbuf; tbuf.actime = 0; tbuf.modtime = 1; return utime("foo.c",&tbuf);]])],[rsync_cv_HAVE_STRUCT_UTIMBUF=yes],[rsync_cv_HAVE_STRUCT_UTIMBUF=no])])
918 if test x"$rsync_cv_HAVE_STRUCT_UTIMBUF" = x"yes"; then
919 AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if you have the "struct utimbuf" type])
922 AC_CACHE_CHECK([if gettimeofday takes tz argument],rsync_cv_HAVE_GETTIMEOFDAY_TZ,[
923 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/time.h>
924 #include <unistd.h>]], [[struct timeval tv; return gettimeofday(&tv, NULL);]])],[rsync_cv_HAVE_GETTIMEOFDAY_TZ=yes],[rsync_cv_HAVE_GETTIMEOFDAY_TZ=no])])
925 if test x"$rsync_cv_HAVE_GETTIMEOFDAY_TZ" != x"no"; then
926 AC_DEFINE(HAVE_GETTIMEOFDAY_TZ, 1, [Define to 1 if gettimeofday() takes a time-zone arg])
929 AC_CACHE_CHECK([for C99 vsnprintf],rsync_cv_HAVE_C99_VSNPRINTF,[
930 AC_RUN_IFELSE([AC_LANG_SOURCE([[
931 #include <sys/types.h>
936 void foo(const char *format, ...) {
939 static char buf[] = "12345678901234567890";
941 va_start(ap, format);
942 len = vsnprintf(0, 0, format, ap);
944 if (len != 5) exit(1);
946 if (snprintf(buf, 3, "hello") != 5 || strcmp(buf, "he") != 0) exit(1);
948 int main(void) { foo("hello"); return 0; }
949 ]])],[rsync_cv_HAVE_C99_VSNPRINTF=yes],[rsync_cv_HAVE_C99_VSNPRINTF=no],[rsync_cv_HAVE_C99_VSNPRINTF=cross])])
950 if test x"$rsync_cv_HAVE_C99_VSNPRINTF" = x"yes"; then
951 AC_DEFINE(HAVE_C99_VSNPRINTF, 1, [Define to 1 if vsprintf has a C99-compatible return value])
955 AC_CACHE_CHECK([for secure mkstemp],rsync_cv_HAVE_SECURE_MKSTEMP,[
956 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdlib.h>
957 #include <sys/types.h>
958 #include <sys/stat.h>
962 char tpl[20]="/tmp/test.XXXXXX";
963 int fd = mkstemp(tpl);
964 if (fd == -1) return 1;
966 if (fstat(fd, &st) != 0) return 1;
967 if ((st.st_mode & 0777) != 0600) return 1;
969 }]])],[rsync_cv_HAVE_SECURE_MKSTEMP=yes],[rsync_cv_HAVE_SECURE_MKSTEMP=no],[rsync_cv_HAVE_SECURE_MKSTEMP=cross])])
970 if test x"$rsync_cv_HAVE_SECURE_MKSTEMP" = x"yes"; then
973 dnl HP-UX has a broken mkstemp() implementation they refuse to fix,
974 dnl so we noisily skip using it. See HP change request JAGaf34426
975 dnl for details. (sbonds)
976 AC_MSG_WARN(Skipping broken HP-UX mkstemp() -- using mktemp() instead)
979 AC_DEFINE(HAVE_SECURE_MKSTEMP, 1, [Define to 1 if mkstemp() is available and works right])
985 AC_CACHE_CHECK([if mknod creates FIFOs],rsync_cv_MKNOD_CREATES_FIFOS,[
986 AC_RUN_IFELSE([AC_LANG_SOURCE([[
988 #include <sys/stat.h>
993 int main(void) { int rc, ec; char *fn = "fifo-test";
994 unlink(fn); rc = mknod(fn,S_IFIFO,0600); ec = errno; unlink(fn);
995 if (rc) {printf("(%d %d) ",rc,ec); return ec;}
996 return 0;}]])],[rsync_cv_MKNOD_CREATES_FIFOS=yes],[rsync_cv_MKNOD_CREATES_FIFOS=no],[rsync_cv_MKNOD_CREATES_FIFOS=cross])])
997 if test x"$rsync_cv_MKNOD_CREATES_FIFOS" = x"yes"; then
998 AC_DEFINE(MKNOD_CREATES_FIFOS, 1, [Define to 1 if mknod() can create FIFOs.])
1001 AC_CACHE_CHECK([if mknod creates sockets],rsync_cv_MKNOD_CREATES_SOCKETS,[
1002 AC_RUN_IFELSE([AC_LANG_SOURCE([[
1004 #include <sys/stat.h>
1007 # include <unistd.h>
1009 int main(void) { int rc, ec; char *fn = "sock-test";
1010 unlink(fn); rc = mknod(fn,S_IFSOCK,0600); ec = errno; unlink(fn);
1011 if (rc) {printf("(%d %d) ",rc,ec); return ec;}
1012 return 0;}]])],[rsync_cv_MKNOD_CREATES_SOCKETS=yes],[rsync_cv_MKNOD_CREATES_SOCKETS=no],[rsync_cv_MKNOD_CREATES_SOCKETS=cross])])
1013 if test x"$rsync_cv_MKNOD_CREATES_SOCKETS" = x"yes"; then
1014 AC_DEFINE(MKNOD_CREATES_SOCKETS, 1, [Define to 1 if mknod() can create sockets.])
1018 # The following test was mostly taken from the tcl/tk plus patches
1020 AC_CACHE_CHECK([whether -c -o works],rsync_cv_DASHC_WORKS_WITH_DASHO,[
1022 cat > conftest.$ac_ext <<EOF
1023 int main(void) { return 0; }
1025 ${CC-cc} -c -o conftest..o conftest.$ac_ext
1026 if test -f conftest..o; then
1027 rsync_cv_DASHC_WORKS_WITH_DASHO=yes
1029 rsync_cv_DASHC_WORKS_WITH_DASHO=no
1033 if test x"$rsync_cv_DASHC_WORKS_WITH_DASHO" = x"yes"; then
1036 CC_SHOBJ_FLAG='-o $@'
1038 OBJ_SAVE=' @b=`basename $@ .o`;rm -f $$b.o.sav;if test -f $$b.o; then mv $$b.o $$b.o.sav;fi;'
1039 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'
1044 AC_SUBST(OBJ_RESTORE)
1045 AC_SUBST(CC_SHOBJ_FLAG)
1046 AC_SUBST(BUILD_POPT)
1047 AC_SUBST(BUILD_ZLIB)
1050 AC_CHECK_FUNCS(_acl __acl _facl __facl)
1051 #################################################
1052 # check for ACL support
1054 AC_MSG_CHECKING([whether to support ACLs])
1055 AC_ARG_ENABLE(acl-support,
1056 AS_HELP_STRING([--disable-acl-support],[disable ACL support]))
1058 if test x"$enable_acl_support" = x"no"; then
1063 AC_MSG_RESULT(Using UnixWare ACLs)
1064 AC_DEFINE(HAVE_UNIXWARE_ACLS, 1, [true if you have UnixWare ACLs])
1065 AC_DEFINE(SUPPORT_ACLS, 1, [Define to 1 to add support for ACLs])
1068 AC_MSG_RESULT(Using solaris ACLs)
1069 AC_DEFINE(HAVE_SOLARIS_ACLS, 1, [true if you have solaris ACLs])
1070 AC_DEFINE(SUPPORT_ACLS, 1)
1073 AC_MSG_RESULT(Using HPUX ACLs)
1074 AC_DEFINE(HAVE_HPUX_ACLS, 1, [true if you have HPUX ACLs])
1075 AC_DEFINE(SUPPORT_ACLS, 1)
1078 AC_MSG_RESULT(Using IRIX ACLs)
1079 AC_DEFINE(HAVE_IRIX_ACLS, 1, [true if you have IRIX ACLs])
1080 AC_DEFINE(SUPPORT_ACLS, 1)
1083 AC_MSG_RESULT(Using AIX ACLs)
1084 AC_DEFINE(HAVE_AIX_ACLS, 1, [true if you have AIX ACLs])
1085 AC_DEFINE(SUPPORT_ACLS, 1)
1088 AC_MSG_RESULT(Using Tru64 ACLs)
1089 AC_DEFINE(HAVE_TRU64_ACLS, 1, [true if you have Tru64 ACLs])
1090 AC_DEFINE(SUPPORT_ACLS, 1)
1094 AC_MSG_RESULT(Using OS X ACLs)
1095 AC_DEFINE(HAVE_OSX_ACLS, 1, [true if you have Mac OS X ACLs])
1096 AC_DEFINE(SUPPORT_ACLS, 1)
1099 AC_MSG_RESULT(running tests:)
1100 AC_CHECK_LIB(acl,acl_get_file)
1101 AC_CACHE_CHECK([for ACL support],samba_cv_HAVE_POSIX_ACLS,[
1102 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
1103 #include <sys/acl.h>]], [[ acl_t acl; int entry_id; acl_entry_t *entry_p; return acl_get_entry( acl, entry_id, entry_p);]])],[samba_cv_HAVE_POSIX_ACLS=yes],[samba_cv_HAVE_POSIX_ACLS=no])])
1104 AC_MSG_CHECKING(ACL test results)
1105 if test x"$samba_cv_HAVE_POSIX_ACLS" = x"yes"; then
1106 AC_MSG_RESULT(Using posix ACLs)
1107 AC_DEFINE(HAVE_POSIX_ACLS, 1, [true if you have posix ACLs])
1108 AC_DEFINE(SUPPORT_ACLS, 1)
1109 AC_CACHE_CHECK([for acl_get_perm_np],samba_cv_HAVE_ACL_GET_PERM_NP,[
1110 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
1111 #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])])
1112 if test x"$samba_cv_HAVE_ACL_GET_PERM_NP" = x"yes"; then
1113 AC_DEFINE(HAVE_ACL_GET_PERM_NP, 1, [true if you have acl_get_perm_np])
1116 if test x"$enable_acl_support" = x"yes"; then
1117 AC_MSG_ERROR(Failed to find ACL support)
1119 AC_MSG_RESULT(No ACL support found)
1126 #################################################
1127 # check for extended attribute support
1128 AC_MSG_CHECKING(whether to support extended attributes)
1129 AC_ARG_ENABLE(xattr-support,
1130 AS_HELP_STRING([--disable-xattr-support],[disable extended attributes]),
1131 [], [case "$ac_cv_func_getxattr$ac_cv_func_extattr_get_link$ac_cv_func_attropen" in
1132 *yes*) enable_xattr_support=maybe ;;
1133 *) enable_xattr_support=no ;;
1135 AH_TEMPLATE([SUPPORT_XATTRS],
1136 [Define to 1 to add support for extended attributes])
1137 if test x"$enable_xattr_support" = x"no"; then
1142 AC_MSG_RESULT(Using Linux xattrs)
1143 AC_DEFINE(HAVE_LINUX_XATTRS, 1, [True if you have Linux xattrs (or equivalent)])
1144 AC_DEFINE(SUPPORT_XATTRS, 1)
1145 AC_DEFINE(NO_SYMLINK_USER_XATTRS, 1, [True if symlinks do not support user xattrs])
1146 AC_CHECK_LIB(attr,getxattr)
1149 AC_MSG_RESULT(Using OS X xattrs)
1150 AC_DEFINE(HAVE_OSX_XATTRS, 1, [True if you have Mac OS X xattrs])
1151 AC_DEFINE(SUPPORT_XATTRS, 1)
1152 AC_DEFINE(NO_DEVICE_XATTRS, 1, [True if device files do not support xattrs])
1153 AC_DEFINE(NO_SPECIAL_XATTRS, 1, [True if special files do not support xattrs])
1156 AC_MSG_RESULT(Using FreeBSD extattrs)
1157 AC_DEFINE(HAVE_FREEBSD_XATTRS, 1, [True if you have FreeBSD xattrs])
1158 AC_DEFINE(SUPPORT_XATTRS, 1)
1161 AC_MSG_RESULT(Using Solaris xattrs)
1162 AC_DEFINE(HAVE_SOLARIS_XATTRS, 1, [True if you have Solaris xattrs])
1163 AC_DEFINE(SUPPORT_XATTRS, 1)
1164 AC_DEFINE(NO_SYMLINK_XATTRS, 1, [True if symlinks do not support xattrs])
1167 if test x"$enable_xattr_support" = x"yes"; then
1168 AC_MSG_ERROR(Failed to find extended attribute support)
1170 AC_MSG_RESULT(No extended attribute support found)
1176 if test x"$enable_acl_support" = x"no" -o x"$enable_xattr_support" = x"no" -o x"$enable_iconv" = x"no"; then
1177 AC_MSG_CHECKING([whether $CC supports -Wno-unused-parameter])
1178 OLD_CFLAGS="$CFLAGS"
1179 CFLAGS="$CFLAGS -Wno-unused-parameter"
1180 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>]], [[printf("hello\n");]])],[rsync_warn_flag=yes],[rsync_warn_flag=no])
1181 AC_MSG_RESULT([$rsync_warn_flag])
1182 if test x"$rsync_warn_flag" = x"no"; then
1183 CFLAGS="$OLD_CFLAGS"
1188 ' checker'*|checker*)
1189 AC_DEFINE(FORCE_FD_ZERO_MEMSET, 1, [Used to make "checker" understand that FD_ZERO() clears memory.])
1193 AC_CONFIG_FILES([Makefile lib/dummy zlib/dummy popt/dummy shconfig])
1197 AC_MSG_RESULT([ rsync ${RSYNC_VERSION} configuration successful])