1 dnl Process this file with autoconf to produce a configure script.
3 AC_INIT([rsync],[3.2.0pre2],[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"$enable_debug" = x"no"; then
37 dnl AC_DEFINE(DEBUG, 1, [Define to turn on debugging code that may slow normal operation])
38 # leave ac_cv_prog_cc_g alone; AC_PROG_CC will try to include -g if it can
41 dnl Checks for programs.
50 AC_PATH_PROG([PERL], [perl])
51 AC_PATH_PROG([PYTHON3], [python3])
53 AC_DEFINE([_GNU_SOURCE], 1,
54 [Define _GNU_SOURCE so that we get all necessary prototypes])
56 if test x"$ac_cv_prog_cc_stdc" = x"no"; then
57 AC_MSG_WARN([rsync requires an ANSI C compiler and you do not seem to have one])
60 AC_ARG_ENABLE(profile,
61 AS_HELP_STRING([--enable-profile],[turn on CPU profiling]))
62 if test x"$enable_profile" = x"yes"; then
66 AC_MSG_CHECKING([if md2man can create man pages])
67 if test x"$ac_cv_path_PYTHON3" = x; then
68 AC_MSG_RESULT(no - python3 not found)
70 elif "$srcdir/md2man" --test "$srcdir/rsync.1.md" >/dev/null 2>&1; then
74 AC_MSG_RESULT(no - need cmarkgfm or commonmark python3 lib installed)
78 AC_MSG_CHECKING([if we require man-page building])
79 AC_ARG_ENABLE([md2man],
80 AS_HELP_STRING([--disable-md2man],[disable md2man for man page creation]))
81 if test x"$enable_md2man" != x"no"; then
82 if test -f "$srcdir/rsync.1"; then
83 AC_MSG_RESULT(optional)
85 AC_MSG_RESULT(required)
86 if test x"$md2man_works" = x"no"; then
87 AC_MSG_ERROR(You need python3 and the cmarkgfm OR commonmark python3 lib in order to build man pages.
88 You can specify --disable-md2man if you want to skip building them.)
95 # Specifically, this turns on panic_action handling.
96 AC_ARG_ENABLE(maintainer-mode,
97 AS_HELP_STRING([--enable-maintainer-mode],[turn on extra debug features]))
98 if test x"$enable_maintainer_mode" = x"yes"; then
99 CFLAGS="$CFLAGS -DMAINTAINER_MODE"
102 # This is needed for our included version of popt. Kind of silly, but
103 # I don't want our version too far out of sync.
104 CFLAGS="$CFLAGS -DHAVE_CONFIG_H"
106 # If GCC, turn on warnings.
107 if test x"$GCC" = x"yes"; then
108 CFLAGS="$CFLAGS -Wall -W"
111 AC_ARG_WITH(included-popt,
112 AS_HELP_STRING([--with-included-popt],[use bundled popt library, not from system]))
114 AC_ARG_WITH(included-zlib,
115 AS_HELP_STRING([--with-included-zlib],[use bundled zlib library, not from system]))
117 AC_ARG_WITH(protected-args,
118 AS_HELP_STRING([--with-protected-args],[make --protected-args option the default]))
119 if test x"$with_protected_args" = x"yes"; then
120 AC_DEFINE_UNQUOTED(RSYNC_USE_PROTECTED_ARGS, 1, [Define to 1 if --protected-args should be the default])
123 AC_ARG_WITH(rsync-path,
124 AS_HELP_STRING([--with-rsync-path=PATH],[set default --rsync-path to PATH (default: rsync)]),
125 [ RSYNC_PATH="$with_rsync_path" ],
126 [ RSYNC_PATH="rsync" ])
128 AC_DEFINE_UNQUOTED(RSYNC_PATH, "$RSYNC_PATH", [location of rsync on remote machine])
130 AC_ARG_WITH(rsyncd-conf,
131 AS_HELP_STRING([--with-rsyncd-conf=PATH],[set configuration file for rsync server to PATH (default: /etc/rsyncd.conf)]),
132 [ if test ! -z "$with_rsyncd_conf" ; then
133 case $with_rsyncd_conf in
135 RSYNCD_SYSCONF="/etc/rsyncd.conf"
138 RSYNCD_SYSCONF="$with_rsyncd_conf"
141 AC_MSG_ERROR(You must specify an absolute path to --with-rsyncd-conf=PATH)
145 RSYNCD_SYSCONF="/etc/rsyncd.conf"
147 [ RSYNCD_SYSCONF="/etc/rsyncd.conf" ])
149 AC_DEFINE_UNQUOTED(RSYNCD_SYSCONF, "$RSYNCD_SYSCONF", [location of configuration file for rsync server])
152 AS_HELP_STRING([--with-rsh=CMD],[set remote shell command to CMD (default: ssh)]))
154 AC_CHECK_PROG(HAVE_REMSH, remsh, 1, 0)
155 if test x$HAVE_REMSH = x1; then
156 AC_DEFINE(HAVE_REMSH, 1, [Define to 1 if remote shell is remsh, not rsh])
159 if test x"$with_rsh" != x; then
160 RSYNC_RSH="$with_rsh"
164 AC_DEFINE_UNQUOTED(RSYNC_RSH, "$RSYNC_RSH", [default -e command])
166 # Some programs on solaris are only found in /usr/xpg4/bin (or work better than others versions).
167 AC_PATH_PROG(SHELL_PATH, sh, /bin/sh, [/usr/xpg4/bin$PATH_SEPARATOR$PATH])
168 AC_PATH_PROG(FAKEROOT_PATH, fakeroot, /usr/bin/fakeroot, [/usr/xpg4/bin$PATH_SEPARATOR$PATH])
170 AC_ARG_WITH(nobody-group,
171 AS_HELP_STRING([--with-nobody-group=GROUP],[set the default unprivileged group (default nobody or nogroup)]),
172 [ NOBODY_GROUP="$with_nobody_group" ])
174 if test x"$with_nobody_group" = x; then
175 AC_MSG_CHECKING([the group for user "nobody"])
176 if grep '^nobody:' /etc/group >/dev/null 2>&1; then
178 elif grep '^nogroup:' /etc/group >/dev/null 2>&1; then
181 NOBODY_GROUP=nobody # test for others?
183 AC_MSG_RESULT($NOBODY_GROUP)
186 AC_DEFINE_UNQUOTED(NOBODY_USER, "nobody", [unprivileged user--e.g. nobody])
187 AC_DEFINE_UNQUOTED(NOBODY_GROUP, "$NOBODY_GROUP", [unprivileged group for unprivileged user])
192 AC_MSG_CHECKING([whether to enable SIMD optimizations])
194 AS_HELP_STRING([--disable-simd],[disable SIMD optimizations (requires g++)]))
196 if test x"$enable_simd" != x"no"; then
197 # For x86-64 SIMD, g++ is also required
198 if test x"$build_cpu" = x"x86_64"; then
199 if test x"$CXX" = x"g++"; then
203 AC_MSG_ERROR(Failed to find g++ for SIMD speedups. Use --disable-simd to continue without it.)
208 if test x"$SIMD" != x""; then
209 SIMD=`echo "$SIMD" | sed -e 's/^ *//'`
210 AC_MSG_RESULT([yes ($SIMD)])
211 AC_DEFINE(HAVE_SIMD, 1, [Define to 1 to enable SIMD optimizations])
212 SIMD=`echo "$SIMD" | sed -e 's/[[^ ]]\+/$(SIMD_&)/g'`
213 # We only use g++ for its target attribute dispatching, disable unneeded bulky features
214 CXXFLAGS="$CXXFLAGS -fno-exceptions -fno-rtti"
221 # arrgh. libc in some old debian version screwed up the largefile
222 # stuff, getting byte range locking wrong
223 AC_CACHE_CHECK([for broken largefile support],rsync_cv_HAVE_BROKEN_LARGEFILE,[
224 AC_RUN_IFELSE([AC_LANG_SOURCE([[
225 #define _FILE_OFFSET_BITS 64
228 #include <sys/types.h>
229 #include <sys/wait.h>
238 char tpl[32] = "/tmp/locktest.XXXXXX";
239 int fd = mkstemp(tpl);
241 strcpy(tpl, "conftest.dat");
242 fd = open(tpl, O_CREAT|O_RDWR, 0600);
245 lock.l_type = F_WRLCK;
246 lock.l_whence = SEEK_SET;
250 fcntl(fd,F_SETLK,&lock);
253 _exit(fcntl(fd,F_SETLK,&lock) == 0);
257 return WEXITSTATUS(status);
259 ]])],[rsync_cv_HAVE_BROKEN_LARGEFILE=yes],[rsync_cv_HAVE_BROKEN_LARGEFILE=no],[rsync_cv_HAVE_BROKEN_LARGEFILE=cross])])
260 if test x"$rsync_cv_HAVE_BROKEN_LARGEFILE" != x"yes"; then
269 AS_HELP_STRING([--disable-ipv6],[turn off IPv6 support]))
270 if test x"$enable_ipv6" != x"no"; then
271 AC_MSG_CHECKING([ipv6 stack type])
272 for i in inria kame linux-glibc linux-inet6 solaris toshiba v6d zeta cygwin; do
275 # http://www.kame.net/
277 #include <netinet/in.h>
278 #ifdef IPV6_INRIA_VERSION
282 AC_DEFINE(INET6, 1, [true if you have IPv6])
286 # http://www.kame.net/
288 #include <netinet/in.h>
293 AC_DEFINE(INET6, 1, [true if you have IPv6])])
296 # http://www.v6.linux.or.jp/
298 #include <features.h>
299 #if defined(__GLIBC__) && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1
303 AC_DEFINE(INET6, 1, [true if you have IPv6])])
306 # http://www.v6.linux.or.jp/
307 if test -d /usr/inet6 -o -f /usr/inet6/lib/libinet6.a; then
310 ipv6libdir=/usr/inet6/lib
312 AC_DEFINE(INET6, 1, [true if you have IPv6])
313 CFLAGS="-I/usr/inet6/include $CFLAGS"
319 #include <netinet/ip6.h>
324 AC_DEFINE(INET6, 1, [true if you have IPv6])])
328 #include <sys/param.h>
329 #ifdef _TOSHIBA_INET6
334 ipv6libdir=/usr/local/v6/lib;
335 AC_DEFINE(INET6, 1, [true if you have IPv6])])
339 #include </usr/local/v6/include/sys/v6config.h>
345 ipv6libdir=/usr/local/v6/lib;
346 AC_DEFINE(INET6, 1, [true if you have IPv6])])
350 #include <sys/param.h>
351 #ifdef _ZETA_MINAMI_INET6
356 ipv6libdir=/usr/local/v6/lib;
357 AC_DEFINE(INET6, 1, [true if you have IPv6])])
361 #include <netinet/in.h>
366 AC_DEFINE(INET6, 1, [true if you have IPv6])])
369 if test "$ipv6type" != "unknown"; then
373 AC_MSG_RESULT($ipv6type)
375 AC_SEARCH_LIBS(getaddrinfo, inet6)
378 dnl Do you want to disable use of locale functions
379 AC_ARG_ENABLE([locale],
380 AS_HELP_STRING([--disable-locale],[disable locale features]))
381 AH_TEMPLATE([CONFIG_LOCALE],
382 [Undefine if you do not want locale features. By default this is defined.])
383 if test x"$enable_locale" != x"no"; then
384 AC_DEFINE(CONFIG_LOCALE)
387 AC_MSG_CHECKING([whether to call shutdown on all sockets])
389 *cygwin* ) AC_MSG_RESULT(yes)
390 AC_DEFINE(SHUTDOWN_ALL_SOCKETS, 1,
391 [Define to 1 if sockets need to be shutdown])
393 * ) AC_MSG_RESULT(no);;
400 AC_CHECK_HEADERS(sys/fcntl.h sys/select.h fcntl.h sys/time.h sys/unistd.h \
401 unistd.h utime.h grp.h compat.h sys/param.h ctype.h sys/wait.h \
402 sys/ioctl.h sys/filio.h string.h stdlib.h sys/socket.h sys/mode.h \
403 sys/un.h sys/attr.h mcheck.h arpa/inet.h arpa/nameser.h locale.h \
404 netdb.h malloc.h float.h limits.h iconv.h libcharset.h langinfo.h \
405 sys/acl.h acl/libacl.h attr/xattr.h sys/xattr.h sys/extattr.h \
406 popt.h popt/popt.h linux/falloc.h netinet/in_systm.h netinet/ip.h \
407 zlib.h xxhash.h openssl/md4.h openssl/md5.h zstd.h lz4.h)
408 AC_HEADER_MAJOR_FIXED
410 AC_MSG_CHECKING([whether to enable use of openssl crypto library])
411 AC_ARG_ENABLE([openssl],
412 AS_HELP_STRING([--disable-openssl],[disable openssl crypto library]))
413 AH_TEMPLATE([USE_OPENSSL],
414 [Undefine if you do not want to use openssl crypto library. By default this is defined.])
415 if test x"$enable_openssl" != x"no" && test x"$ac_cv_header_openssl_md4_h" = x"yes" && test x"$ac_cv_header_openssl_md5_h" = x"yes"; then
417 AC_SEARCH_LIBS(MD5_Init, crypto, [AC_DEFINE(USE_OPENSSL)])
422 AC_MSG_CHECKING([whether to enable xxhash checksum support])
423 AC_ARG_ENABLE([xxhash],
424 AS_HELP_STRING([--disable-xxhash],[disable xxhash checksums]))
425 AH_TEMPLATE([SUPPORT_XXHASH],
426 [Undefine if you do not want xxhash checksums. By default this is defined.])
427 if test x"$enable_xxhash" != x"no"; then
428 if test x"$ac_cv_header_xxhash_h" = x"yes"; then
430 AC_SEARCH_LIBS(XXH64_createState, xxhash,
431 [AC_DEFINE(SUPPORT_XXHASH)],
432 [AC_MSG_ERROR(Failed to find XXH64_createState function in xxhash lib.
433 Use --disable-xxhash to continue without xxhash checksums.)])
436 AC_MSG_ERROR(Failed to find xxhash.h for xxhash checksum support.
437 Use --disable-xxhash to continue without it.)
443 AC_MSG_CHECKING([whether to enable zstd compression])
444 AC_ARG_ENABLE([zstd],
445 AC_HELP_STRING([--disable-zstd], [disable zstd compression]))
446 AH_TEMPLATE([SUPPORT_ZSTD],
447 [Undefine if you do not want zstd compression. By default this is defined.])
448 if test x"$enable_zstd" != x"no"; then
449 if test x"$ac_cv_header_zstd_h" = x"yes"; then
451 AC_SEARCH_LIBS(ZSTD_minCLevel, zstd,
452 [AC_DEFINE(SUPPORT_ZSTD)],
453 [AC_MSG_ERROR(Failed to find ZSTD_minCLevel function in zstd lib.
454 Use --disable-zstd to continue without zstd compression.)])
457 AC_MSG_ERROR(Failed to find zstd.h for zstd compression support.
458 Use --disable-zstd to continue without it.)
464 AC_MSG_CHECKING([whether to enable LZ4 compression])
466 AC_HELP_STRING([--disable-lz4], [disable LZ4 compression]))
467 AH_TEMPLATE([SUPPORT_LZ4],
468 [Undefine if you do not want LZ4 compression. By default this is defined.])
469 if test x"$enable_lz4" != x"no"; then
470 if test x"$ac_cv_header_lz4_h" = x"yes"; then
472 AC_SEARCH_LIBS(LZ4_compress_default, lz4,
473 [AC_DEFINE(SUPPORT_LZ4)],
474 [AC_MSG_ERROR(Failed to find LZ4_compress_default function in lz4 lib.
475 Use --disable-lz4 to continue without lz4 compression.)])
478 AC_MSG_ERROR(Failed to find lz4.h for lz4 compression support.
479 Use --disable-lz4 to continue without it.)
485 AC_CACHE_CHECK([if makedev takes 3 args],rsync_cv_MAKEDEV_TAKES_3_ARGS,[
486 AC_RUN_IFELSE([AC_LANG_SOURCE([[
487 #include <sys/types.h>
488 #ifdef MAJOR_IN_MKDEV
489 #include <sys/mkdev.h>
490 # if !defined makedev && (defined mkdev || defined _WIN32 || defined __WIN32__)
491 # define makedev mkdev
493 #elif defined MAJOR_IN_SYSMACROS
494 #include <sys/sysmacros.h>
499 dev_t dev = makedev(0, 5, 7);
500 if (major(dev) != 5 || minor(dev) != 7)
504 ]])],[rsync_cv_MAKEDEV_TAKES_3_ARGS=yes],[rsync_cv_MAKEDEV_TAKES_3_ARGS=no],[rsync_cv_MAKEDEV_TAKES_3_ARGS=no])])
505 if test x"$rsync_cv_MAKEDEV_TAKES_3_ARGS" = x"yes"; then
506 AC_DEFINE(MAKEDEV_TAKES_3_ARGS, 1, [Define to 1 if makedev() takes 3 args])
510 AC_CHECK_SIZEOF(long)
511 AC_CHECK_SIZEOF(long long)
512 AC_CHECK_SIZEOF(short)
513 AC_CHECK_SIZEOF(int16_t)
514 AC_CHECK_SIZEOF(uint16_t)
515 AC_CHECK_SIZEOF(int32_t)
516 AC_CHECK_SIZEOF(uint32_t)
517 AC_CHECK_SIZEOF(int64_t)
518 AC_CHECK_SIZEOF(off_t)
519 AC_CHECK_SIZEOF(off64_t)
520 AC_CHECK_SIZEOF(time_t)
521 AC_CHECK_SIZEOF(char*)
525 AC_TYPE_LONG_DOUBLE_WIDER
526 ac_cv_c_long_double=$ac_cv_type_long_double_wider
527 if test $ac_cv_c_long_double = yes; then
528 AC_DEFINE([HAVE_LONG_DOUBLE],[1],[Define to 1 if the type `long double' works and has more range or precision than `double'.])
532 AC_CHECK_TYPES([mode_t,off_t,size_t,pid_t,id_t])
534 AC_CHECK_MEMBERS([struct stat.st_rdev,
535 struct stat.st_mtimensec,
536 struct stat.st_mtimespec.tv_nsec,
537 struct stat.st_mtim.tv_nsec],,,[
538 #ifdef HAVE_SYS_TYPES_H
539 #include <sys/types.h>
541 #ifdef HAVE_SYS_STAT_H
542 #include <sys/stat.h>
550 AC_CACHE_CHECK([for errno in errno.h],rsync_cv_errno, [
551 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <errno.h>]], [[int i = errno]])],[rsync_cv_errno=yes],[rsync_cv_have_errno_decl=no])])
552 if test x"$rsync_cv_errno" = x"yes"; then
553 AC_DEFINE(HAVE_ERRNO_DECL, 1, [Define to 1 if errno is declared in errno.h])
556 # The following test taken from the cvs sources
557 # If we can't find connect, try looking in -lsocket, -lnsl, and -linet.
558 # These need checks to be before checks for any other functions that
559 # might be in the same libraries.
560 # The Irix 5 libc.so has connect and gethostbyname, but Irix 5 also has
561 # libsocket.so which has a bad implementation of gethostbyname (it
562 # only looks in /etc/hosts), so we only look for -lsocket if we need
564 AC_CHECK_FUNCS(connect)
565 if test x"$ac_cv_func_connect" = x"no"; then
568 *) AC_CHECK_LIB(nsl_s, printf) ;;
572 *) AC_CHECK_LIB(nsl, printf) ;;
576 *) AC_CHECK_LIB(socket, connect) ;;
580 *) AC_CHECK_LIB(inet, connect) ;;
582 dnl We can't just call AC_CHECK_FUNCS(connect) here, because the value
584 if test x"$ac_cv_lib_socket_connect" = x"yes" ||
585 test x"$ac_cv_lib_inet_connect" = x"yes"; then
586 # ac_cv_func_connect=yes
587 # don't! it would cause AC_CHECK_FUNC to succeed next time configure is run
588 AC_DEFINE(HAVE_CONNECT, 1, [Define to 1 if you have the "connect" function])
592 AC_SEARCH_LIBS(inet_ntop, resolv)
594 # For OS X, Solaris, HP-UX, etc.: figure out if -liconv is needed. We'll
595 # accept either iconv_open or libiconv_open, since some include files map
596 # the former to the latter.
597 AC_SEARCH_LIBS(iconv_open, iconv)
598 AC_SEARCH_LIBS(libiconv_open, iconv)
600 AC_MSG_CHECKING([for iconv declaration])
601 AC_CACHE_VAL(am_cv_proto_iconv, [
602 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
609 #if defined(__STDC__) || defined(__cplusplus)
610 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
614 ]], [[]])],[am_cv_proto_iconv_arg1=""],[am_cv_proto_iconv_arg1="const"])
615 am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"])
616 am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'`
617 AC_MSG_RESULT([$]{ac_t:-
618 }[$]am_cv_proto_iconv)
619 AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1,
620 [Define as const if the declaration of iconv() needs const.])
622 dnl AC_MSG_NOTICE([Looking in libraries: $LIBS])
624 AC_REPLACE_FUNCS([inet_ntop inet_pton])
626 AC_HAVE_TYPE([struct addrinfo], [#include <netdb.h>])
627 AC_HAVE_TYPE([struct sockaddr_storage], [#include <sys/types.h>
628 #include <sys/socket.h>])
630 # Irix 6.5 has getaddrinfo but not the corresponding defines, so use
631 # builtin getaddrinfo if one of the defines don't exist
632 AC_CACHE_CHECK([whether defines needed by getaddrinfo exist],
633 rsync_cv_HAVE_GETADDR_DEFINES,[
635 #include <sys/types.h>
636 #include <sys/socket.h>
641 rsync_cv_HAVE_GETADDR_DEFINES=yes,
642 rsync_cv_HAVE_GETADDR_DEFINES=no)])
643 AS_IF([test x"$rsync_cv_HAVE_GETADDR_DEFINES" = x"yes" -a x"$ac_cv_type_struct_addrinfo" = x"yes"],[
644 # Tru64 UNIX has getaddrinfo() but has it renamed in libc as
645 # something else so we must include <netdb.h> to get the
647 AC_CHECK_FUNCS(getaddrinfo, ,
648 [AC_MSG_CHECKING([for getaddrinfo by including <netdb.h>])
649 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
650 #include <sys/socket.h>
651 #include <netdb.h>]], [[getaddrinfo(NULL, NULL, NULL, NULL);]])],[AC_MSG_RESULT([yes])
652 AC_DEFINE(HAVE_GETADDRINFO, 1,
653 [Define to 1 if you have the "getaddrinfo" function and required types.])],[AC_MSG_RESULT([no])
654 AC_LIBOBJ([getaddrinfo])])])
655 ],[AC_LIBOBJ([getaddrinfo])])
657 AC_CHECK_MEMBER([struct sockaddr.sa_len],
658 [ AC_DEFINE(HAVE_SOCKADDR_LEN, 1, [Do we have sockaddr.sa_len?]) ],
661 #include <sys/types.h>
662 #include <sys/socket.h>
665 AC_CHECK_MEMBER([struct sockaddr_in.sin_len],
666 [ AC_DEFINE(HAVE_SOCKADDR_IN_LEN, 1, [Do we have sockaddr_in.sin_len?]) ],
669 #include <sys/types.h>
670 #include <sys/socket.h>
671 #include <netinet/in.h>
674 AC_CHECK_MEMBER([struct sockaddr_un.sun_len],
675 [ AC_DEFINE(HAVE_SOCKADDR_UN_LEN, 1, [Do we have sockaddr_un.sun_len?]) ],
678 #include <sys/types.h>
679 #include <sys/socket.h>
680 #include <netinet/in.h>
683 AC_CHECK_MEMBER([struct sockaddr_in6.sin6_scope_id],
684 [ AC_DEFINE(HAVE_SOCKADDR_IN6_SCOPE_ID, 1, [Do we have sockaddr_in6.sin6_scope_id?]) ],
687 #include <sys/types.h>
688 #include <sys/socket.h>
689 #include <netinet/in.h>
692 AC_HAVE_TYPE([struct stat64], [#include <stdio.h>
694 # include <sys/types.h>
697 # include <sys/stat.h>
709 # if we can't find strcasecmp, look in -lresolv (for Unixware at least)
711 AC_CHECK_FUNCS(strcasecmp)
712 if test x"$ac_cv_func_strcasecmp" = x"no"; then
713 AC_CHECK_LIB(resolv, strcasecmp)
716 AC_CHECK_FUNCS(aclsort)
717 if test x"$ac_cv_func_aclsort" = x"no"; then
718 AC_CHECK_LIB(sec, aclsort)
721 dnl At the moment we don't test for a broken memcmp(), because all we
722 dnl need to do is test for equality, not comparison, and it seems that
723 dnl every platform has a memcmp that can do at least that.
728 AC_CHECK_FUNCS(waitpid wait4 getcwd strdup chown chmod lchmod mknod mkfifo \
729 fchmod fstat ftruncate strchr readlink link utime utimes lutimes strftime \
730 chflags getattrlist \
731 memmove lchown vsnprintf snprintf vasprintf asprintf setsid strpbrk \
732 strlcat strlcpy strtol mallinfo getgroups setgroups geteuid getegid \
733 setlocale setmode open64 lseek64 mkstemp64 mtrace va_copy __va_copy \
734 seteuid strerror putenv iconv_open locale_charset nl_langinfo getxattr \
735 extattr_get_link sigaction sigprocmask setattrlist getgrouplist \
736 initgroups utimensat posix_fallocate attropen setvbuf nanosleep usleep)
738 dnl cygwin iconv.h defines iconv_open as libiconv_open
739 if test x"$ac_cv_func_iconv_open" != x"yes"; then
740 AC_CHECK_FUNC(libiconv_open, [ac_cv_func_iconv_open=yes; AC_DEFINE(HAVE_ICONV_OPEN, 1)])
743 dnl Preallocation stuff (also fallocate, posix_fallocate function tests above):
745 AC_CACHE_CHECK([for useable fallocate],rsync_cv_have_fallocate,[
746 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <fcntl.h>
747 #include <sys/types.h>]], [[fallocate(0, 0, 0, 0);]])],[rsync_cv_have_fallocate=yes],[rsync_cv_have_fallocate=no])])
748 if test x"$rsync_cv_have_fallocate" = x"yes"; then
749 AC_DEFINE(HAVE_FALLOCATE, 1, [Define to 1 if you have the fallocate function and it compiles and links without error])
752 AC_MSG_CHECKING([for FALLOC_FL_PUNCH_HOLE])
753 AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
754 #define _GNU_SOURCE 1
755 #include <linux/falloc.h>
756 #ifndef FALLOC_FL_PUNCH_HOLE
757 #error FALLOC_FL_PUNCH_HOLE is missing
761 AC_DEFINE([HAVE_FALLOC_FL_PUNCH_HOLE], [1], [Define if FALLOC_FL_PUNCH_HOLE is available.])
767 AC_MSG_CHECKING([for FALLOC_FL_ZERO_RANGE])
768 AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
769 #define _GNU_SOURCE 1
770 #include <linux/falloc.h>
771 #ifndef FALLOC_FL_ZERO_RANGE
772 #error FALLOC_FL_ZERO_RANGE is missing
776 AC_DEFINE([HAVE_FALLOC_FL_ZERO_RANGE], [1], [Define if FALLOC_FL_ZERO_RANGE is available.])
782 AC_CACHE_CHECK([for SYS_fallocate],rsync_cv_have_sys_fallocate,[
783 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/syscall.h>
785 #include <sys/types.h>]], [[syscall(SYS_fallocate, 0, 0, (loff_t)0, (loff_t)0);]])],[rsync_cv_have_sys_fallocate=yes],[rsync_cv_have_sys_fallocate=no])])
786 if test x"$rsync_cv_have_sys_fallocate" = x"yes"; then
787 AC_DEFINE(HAVE_SYS_FALLOCATE, 1, [Define to 1 if you have the SYS_fallocate syscall number])
790 if test x"$ac_cv_func_posix_fallocate" = x"yes"; then
791 AC_MSG_CHECKING([whether posix_fallocate is efficient])
795 AC_DEFINE(HAVE_EFFICIENT_POSIX_FALLOCATE, 1,
796 [Define if posix_fallocate is efficient (Cygwin)])
804 dnl End of preallocation stuff
806 AC_CHECK_FUNCS(getpgrp tcgetpgrp)
807 if test $ac_cv_func_getpgrp = yes; then
811 AC_ARG_ENABLE(iconv-open,
812 AS_HELP_STRING([--disable-iconv-open],[disable all use of iconv_open() function]),
813 [], [enable_iconv_open=$ac_cv_func_iconv_open])
815 if test x"$enable_iconv_open" != x"no"; then
816 AC_DEFINE(USE_ICONV_OPEN, 1, [Define to 1 if you want rsync to make use of iconv_open()])
820 AS_HELP_STRING([--disable-iconv],[disable rsync's --iconv option]),
821 [], [enable_iconv=$enable_iconv_open])
822 AH_TEMPLATE([ICONV_OPTION],
823 [Define if you want the --iconv option. Specifying a value will set the
824 default iconv setting (a NULL means no --iconv processing by default).])
825 if test x"$enable_iconv" != x"no"; then
826 if test x"$enable_iconv" = x"yes"; then
827 AC_DEFINE(ICONV_OPTION, NULL)
829 AC_DEFINE_UNQUOTED(ICONV_OPTION, "$enable_iconv")
831 AC_DEFINE(UTF8_CHARSET, "UTF-8", [String to pass to iconv() for the UTF-8 charset.])
834 AC_CACHE_CHECK([whether chown() modifies symlinks],rsync_cv_chown_modifies_symlink,[
835 AC_RUN_IFELSE([AC_LANG_SOURCE([[
842 char const *dangling_symlink = "conftest.dangle";
843 unlink(dangling_symlink);
844 if (symlink("conftest.no-such", dangling_symlink) < 0) abort();
845 if (chown(dangling_symlink, getuid(), getgid()) < 0 && errno == ENOENT) return 1;
847 }]])],[rsync_cv_chown_modifies_symlink=yes],[rsync_cv_chown_modifies_symlink=no],[rsync_cv_chown_modifies_symlink=no])])
848 if test $rsync_cv_chown_modifies_symlink = yes; then
849 AC_DEFINE(CHOWN_MODIFIES_SYMLINK, 1, [Define to 1 if chown modifies symlinks.])
852 AC_CACHE_CHECK([whether link() can hard-link symlinks],rsync_cv_can_hardlink_symlink,[
853 AC_RUN_IFELSE([AC_LANG_SOURCE([[
859 #define FILENAME "conftest.dangle"
862 if (symlink("conftest.no-such", FILENAME) < 0) abort();
863 unlink(FILENAME "2");
864 if (link(FILENAME, FILENAME "2") < 0) return 1;
866 }]])],[rsync_cv_can_hardlink_symlink=yes],[rsync_cv_can_hardlink_symlink=no],[rsync_cv_can_hardlink_symlink=no])])
867 if test $rsync_cv_can_hardlink_symlink = yes; then
868 AC_DEFINE(CAN_HARDLINK_SYMLINK, 1, [Define to 1 if link() can hard-link symlinks.])
871 AC_CACHE_CHECK([whether link() can hard-link special files],rsync_cv_can_hardlink_special,[
872 AC_RUN_IFELSE([AC_LANG_SOURCE([[
876 #ifdef HAVE_SYS_STAT_H
877 #include <sys/stat.h>
881 #define FILENAME "conftest.fifi"
884 if (mkfifo(FILENAME, 0777) < 0) abort();
885 unlink(FILENAME "2");
886 if (link(FILENAME, FILENAME "2") < 0) return 1;
888 }]])],[rsync_cv_can_hardlink_special=yes],[rsync_cv_can_hardlink_special=no],[rsync_cv_can_hardlink_special=no])])
889 if test $rsync_cv_can_hardlink_special = yes; then
890 AC_DEFINE(CAN_HARDLINK_SPECIAL, 1, [Define to 1 if link() can hard-link special files.])
893 AC_CACHE_CHECK([for working socketpair],rsync_cv_HAVE_SOCKETPAIR,[
894 AC_RUN_IFELSE([AC_LANG_SOURCE([[
895 #include <sys/types.h>
896 #include <sys/socket.h>
900 return (socketpair(AF_UNIX, SOCK_STREAM, 0, fd) != -1) ? 0 : 1;
901 }]])],[rsync_cv_HAVE_SOCKETPAIR=yes],[rsync_cv_HAVE_SOCKETPAIR=no],[rsync_cv_HAVE_SOCKETPAIR=cross])])
902 if test x"$rsync_cv_HAVE_SOCKETPAIR" = x"yes"; then
903 AC_DEFINE(HAVE_SOCKETPAIR, 1, [Define to 1 if you have the "socketpair" function])
906 AC_REPLACE_FUNCS([getpass])
908 if test x"$with_included_popt" != x"yes"; then
909 AC_CHECK_LIB(popt, poptGetContext, , [with_included_popt=yes])
911 if test x"$ac_cv_header_popt_popt_h" = x"yes"; then
912 # If the system has /usr/include/popt/popt.h, we enable the
913 # included popt because an attempt to "#include <popt/popt.h>"
914 # would use our included header file anyway (due to -I.), and
915 # might conflict with the system popt.
916 with_included_popt=yes
917 elif test x"$ac_cv_header_popt_h" != x"yes"; then
918 with_included_popt=yes
921 AC_MSG_CHECKING([whether to use included libpopt])
922 if test x"$with_included_popt" = x"yes"; then
923 AC_MSG_RESULT($srcdir/popt)
924 BUILD_POPT='$(popt_OBJS)'
925 CFLAGS="-I$srcdir/popt $CFLAGS"
926 if test x"$ALLOCA" != x
928 # this can be removed when/if we add an included alloca.c;
929 # see autoconf documentation on AC_FUNC_ALLOCA
930 AC_MSG_WARN([included libpopt will use malloc, not alloca (which wastes a small amount of memory)])
936 # We default to using our zlib unless --with-included-zlib=no is given.
937 if test x"$with_included_zlib" != x"no"; then
938 with_included_zlib=yes
939 elif test x"$ac_cv_header_zlib_h" != x"yes"; then
940 with_included_zlib=yes
942 if test x"$with_included_zlib" != x"yes"; then
943 AC_CHECK_LIB(z, deflateParams, , [with_included_zlib=yes])
946 AC_MSG_CHECKING([whether to use included zlib])
947 if test x"$with_included_zlib" = x"yes"; then
948 AC_MSG_RESULT($srcdir/zlib)
949 BUILD_ZLIB='$(zlib_OBJS)'
950 CFLAGS="-I$srcdir/zlib $CFLAGS"
952 AC_DEFINE(EXTERNAL_ZLIB, 1, [Define to 1 if using external zlib])
956 AC_CACHE_CHECK([for unsigned char],rsync_cv_SIGNED_CHAR_OK,[
957 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[signed char *s = ""]])],[rsync_cv_SIGNED_CHAR_OK=yes],[rsync_cv_SIGNED_CHAR_OK=no])])
958 if test x"$rsync_cv_SIGNED_CHAR_OK" = x"yes"; then
959 AC_DEFINE(SIGNED_CHAR_OK, 1, [Define to 1 if "signed char" is a valid type])
962 AC_CACHE_CHECK([for broken readdir],rsync_cv_HAVE_BROKEN_READDIR,[
963 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <sys/types.h>
965 int main(void) { struct dirent *di; DIR *d = opendir("."); di = readdir(d);
966 if (di && di->d_name[-2] == '.' && di->d_name[-1] == 0 &&
967 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])])
968 if test x"$rsync_cv_HAVE_BROKEN_READDIR" = x"yes"; then
969 AC_DEFINE(HAVE_BROKEN_READDIR, 1, [Define to 1 if readdir() is broken])
972 AC_CACHE_CHECK([for utimbuf],rsync_cv_HAVE_STRUCT_UTIMBUF,[
973 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
974 #include <utime.h>]], [[struct utimbuf tbuf; tbuf.actime = 0; tbuf.modtime = 1; return utime("foo.c",&tbuf);]])],[rsync_cv_HAVE_STRUCT_UTIMBUF=yes],[rsync_cv_HAVE_STRUCT_UTIMBUF=no])])
975 if test x"$rsync_cv_HAVE_STRUCT_UTIMBUF" = x"yes"; then
976 AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if you have the "struct utimbuf" type])
979 AC_CACHE_CHECK([if gettimeofday takes tz argument],rsync_cv_HAVE_GETTIMEOFDAY_TZ,[
980 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/time.h>
981 #include <unistd.h>]], [[struct timeval tv; return gettimeofday(&tv, NULL);]])],[rsync_cv_HAVE_GETTIMEOFDAY_TZ=yes],[rsync_cv_HAVE_GETTIMEOFDAY_TZ=no])])
982 if test x"$rsync_cv_HAVE_GETTIMEOFDAY_TZ" != x"no"; then
983 AC_DEFINE(HAVE_GETTIMEOFDAY_TZ, 1, [Define to 1 if gettimeofday() takes a time-zone arg])
986 AC_CACHE_CHECK([for C99 vsnprintf],rsync_cv_HAVE_C99_VSNPRINTF,[
987 AC_RUN_IFELSE([AC_LANG_SOURCE([[
988 #include <sys/types.h>
993 void foo(const char *format, ...) {
996 static char buf[] = "12345678901234567890";
998 va_start(ap, format);
999 len = vsnprintf(0, 0, format, ap);
1001 if (len != 5) exit(1);
1003 if (snprintf(buf, 3, "hello") != 5 || strcmp(buf, "he") != 0) exit(1);
1005 int main(void) { foo("hello"); return 0; }
1006 ]])],[rsync_cv_HAVE_C99_VSNPRINTF=yes],[rsync_cv_HAVE_C99_VSNPRINTF=no],[rsync_cv_HAVE_C99_VSNPRINTF=cross])])
1007 if test x"$rsync_cv_HAVE_C99_VSNPRINTF" = x"yes"; then
1008 AC_DEFINE(HAVE_C99_VSNPRINTF, 1, [Define to 1 if vsprintf has a C99-compatible return value])
1012 AC_CACHE_CHECK([for secure mkstemp],rsync_cv_HAVE_SECURE_MKSTEMP,[
1013 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdlib.h>
1014 #include <sys/types.h>
1015 #include <sys/stat.h>
1019 char tpl[20]="/tmp/test.XXXXXX";
1020 int fd = mkstemp(tpl);
1021 if (fd == -1) return 1;
1023 if (fstat(fd, &st) != 0) return 1;
1024 if ((st.st_mode & 0777) != 0600) return 1;
1026 }]])],[rsync_cv_HAVE_SECURE_MKSTEMP=yes],[rsync_cv_HAVE_SECURE_MKSTEMP=no],[rsync_cv_HAVE_SECURE_MKSTEMP=cross])])
1027 if test x"$rsync_cv_HAVE_SECURE_MKSTEMP" = x"yes"; then
1030 dnl HP-UX has a broken mkstemp() implementation they refuse to fix,
1031 dnl so we noisily skip using it. See HP change request JAGaf34426
1032 dnl for details. (sbonds)
1033 AC_MSG_WARN(Skipping broken HP-UX mkstemp() -- using mktemp() instead)
1036 AC_DEFINE(HAVE_SECURE_MKSTEMP, 1, [Define to 1 if mkstemp() is available and works right])
1042 AC_CACHE_CHECK([if mknod creates FIFOs],rsync_cv_MKNOD_CREATES_FIFOS,[
1043 AC_RUN_IFELSE([AC_LANG_SOURCE([[
1045 #include <sys/stat.h>
1048 # include <unistd.h>
1050 int main(void) { int rc, ec; char *fn = "fifo-test";
1051 unlink(fn); rc = mknod(fn,S_IFIFO,0600); ec = errno; unlink(fn);
1052 if (rc) {printf("(%d %d) ",rc,ec); return ec;}
1053 return 0;}]])],[rsync_cv_MKNOD_CREATES_FIFOS=yes],[rsync_cv_MKNOD_CREATES_FIFOS=no],[rsync_cv_MKNOD_CREATES_FIFOS=cross])])
1054 if test x"$rsync_cv_MKNOD_CREATES_FIFOS" = x"yes"; then
1055 AC_DEFINE(MKNOD_CREATES_FIFOS, 1, [Define to 1 if mknod() can create FIFOs.])
1058 AC_CACHE_CHECK([if mknod creates sockets],rsync_cv_MKNOD_CREATES_SOCKETS,[
1059 AC_RUN_IFELSE([AC_LANG_SOURCE([[
1061 #include <sys/stat.h>
1064 # include <unistd.h>
1066 int main(void) { int rc, ec; char *fn = "sock-test";
1067 unlink(fn); rc = mknod(fn,S_IFSOCK,0600); ec = errno; unlink(fn);
1068 if (rc) {printf("(%d %d) ",rc,ec); return ec;}
1069 return 0;}]])],[rsync_cv_MKNOD_CREATES_SOCKETS=yes],[rsync_cv_MKNOD_CREATES_SOCKETS=no],[rsync_cv_MKNOD_CREATES_SOCKETS=cross])])
1070 if test x"$rsync_cv_MKNOD_CREATES_SOCKETS" = x"yes"; then
1071 AC_DEFINE(MKNOD_CREATES_SOCKETS, 1, [Define to 1 if mknod() can create sockets.])
1075 # The following test was mostly taken from the tcl/tk plus patches
1077 AC_CACHE_CHECK([whether -c -o works],rsync_cv_DASHC_WORKS_WITH_DASHO,[
1079 cat > conftest.$ac_ext <<EOF
1080 int main(void) { return 0; }
1082 ${CC-cc} -c -o conftest..o conftest.$ac_ext
1083 if test -f conftest..o; then
1084 rsync_cv_DASHC_WORKS_WITH_DASHO=yes
1086 rsync_cv_DASHC_WORKS_WITH_DASHO=no
1090 if test x"$rsync_cv_DASHC_WORKS_WITH_DASHO" = x"yes"; then
1093 CC_SHOBJ_FLAG='-o $@'
1095 OBJ_SAVE=' @b=`basename $@ .o`;rm -f $$b.o.sav;if test -f $$b.o; then mv $$b.o $$b.o.sav;fi;'
1096 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'
1101 AC_SUBST(OBJ_RESTORE)
1102 AC_SUBST(CC_SHOBJ_FLAG)
1103 AC_SUBST(BUILD_POPT)
1104 AC_SUBST(BUILD_ZLIB)
1107 AC_CHECK_FUNCS(_acl __acl _facl __facl)
1108 #################################################
1109 # check for ACL support
1111 AC_MSG_CHECKING([whether to support ACLs])
1112 AC_ARG_ENABLE(acl-support,
1113 AS_HELP_STRING([--disable-acl-support],[disable ACL support]))
1115 if test x"$enable_acl_support" = x"no"; then
1120 AC_MSG_RESULT(Using UnixWare ACLs)
1121 AC_DEFINE(HAVE_UNIXWARE_ACLS, 1, [true if you have UnixWare ACLs])
1122 AC_DEFINE(SUPPORT_ACLS, 1, [Define to 1 to add support for ACLs])
1125 AC_MSG_RESULT(Using solaris ACLs)
1126 AC_DEFINE(HAVE_SOLARIS_ACLS, 1, [true if you have solaris ACLs])
1127 AC_DEFINE(SUPPORT_ACLS, 1)
1130 AC_MSG_RESULT(Using HPUX ACLs)
1131 AC_DEFINE(HAVE_HPUX_ACLS, 1, [true if you have HPUX ACLs])
1132 AC_DEFINE(SUPPORT_ACLS, 1)
1135 AC_MSG_RESULT(Using IRIX ACLs)
1136 AC_DEFINE(HAVE_IRIX_ACLS, 1, [true if you have IRIX ACLs])
1137 AC_DEFINE(SUPPORT_ACLS, 1)
1140 AC_MSG_RESULT(Using AIX ACLs)
1141 AC_DEFINE(HAVE_AIX_ACLS, 1, [true if you have AIX ACLs])
1142 AC_DEFINE(SUPPORT_ACLS, 1)
1145 AC_MSG_RESULT(Using Tru64 ACLs)
1146 AC_DEFINE(HAVE_TRU64_ACLS, 1, [true if you have Tru64 ACLs])
1147 AC_DEFINE(SUPPORT_ACLS, 1)
1151 AC_MSG_RESULT(Using OS X ACLs)
1152 AC_DEFINE(HAVE_OSX_ACLS, 1, [true if you have Mac OS X ACLs])
1153 AC_DEFINE(SUPPORT_ACLS, 1)
1156 AC_MSG_RESULT(running tests:)
1157 AC_CHECK_LIB(acl,acl_get_file)
1158 AC_CACHE_CHECK([for ACL support],samba_cv_HAVE_POSIX_ACLS,[
1159 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
1160 #include <sys/acl.h>]], [[ acl_t acl; int entry_id; acl_entry_t *entry_p; return acl_get_entry( acl, entry_id, entry_p);]])],[samba_cv_HAVE_POSIX_ACLS=yes],[samba_cv_HAVE_POSIX_ACLS=no])])
1161 AC_MSG_CHECKING(ACL test results)
1162 if test x"$samba_cv_HAVE_POSIX_ACLS" = x"yes"; then
1163 AC_MSG_RESULT(Using posix ACLs)
1164 AC_DEFINE(HAVE_POSIX_ACLS, 1, [true if you have posix ACLs])
1165 AC_DEFINE(SUPPORT_ACLS, 1)
1166 AC_CACHE_CHECK([for acl_get_perm_np],samba_cv_HAVE_ACL_GET_PERM_NP,[
1167 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
1168 #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])])
1169 if test x"$samba_cv_HAVE_ACL_GET_PERM_NP" = x"yes"; then
1170 AC_DEFINE(HAVE_ACL_GET_PERM_NP, 1, [true if you have acl_get_perm_np])
1173 if test x"$enable_acl_support" = x"yes"; then
1174 AC_MSG_ERROR(Failed to find ACL support)
1176 AC_MSG_RESULT(No ACL support found)
1183 #################################################
1184 # check for extended attribute support
1185 AC_MSG_CHECKING(whether to support extended attributes)
1186 AC_ARG_ENABLE(xattr-support,
1187 AS_HELP_STRING([--disable-xattr-support],[disable extended attributes]),
1188 [], [case "$ac_cv_func_getxattr$ac_cv_func_extattr_get_link$ac_cv_func_attropen" in
1189 *yes*) enable_xattr_support=maybe ;;
1190 *) enable_xattr_support=no ;;
1192 AH_TEMPLATE([SUPPORT_XATTRS],
1193 [Define to 1 to add support for extended attributes])
1194 if test x"$enable_xattr_support" = x"no"; then
1199 AC_MSG_RESULT(Using Linux xattrs)
1200 AC_DEFINE(HAVE_LINUX_XATTRS, 1, [True if you have Linux xattrs (or equivalent)])
1201 AC_DEFINE(SUPPORT_XATTRS, 1)
1202 AC_DEFINE(NO_SYMLINK_USER_XATTRS, 1, [True if symlinks do not support user xattrs])
1203 AC_CHECK_LIB(attr,getxattr)
1206 AC_MSG_RESULT(Using OS X xattrs)
1207 AC_DEFINE(HAVE_OSX_XATTRS, 1, [True if you have Mac OS X xattrs])
1208 AC_DEFINE(SUPPORT_XATTRS, 1)
1209 AC_DEFINE(NO_DEVICE_XATTRS, 1, [True if device files do not support xattrs])
1210 AC_DEFINE(NO_SPECIAL_XATTRS, 1, [True if special files do not support xattrs])
1213 AC_MSG_RESULT(Using FreeBSD extattrs)
1214 AC_DEFINE(HAVE_FREEBSD_XATTRS, 1, [True if you have FreeBSD xattrs])
1215 AC_DEFINE(SUPPORT_XATTRS, 1)
1218 AC_MSG_RESULT(Using Solaris xattrs)
1219 AC_DEFINE(HAVE_SOLARIS_XATTRS, 1, [True if you have Solaris xattrs])
1220 AC_DEFINE(SUPPORT_XATTRS, 1)
1221 AC_DEFINE(NO_SYMLINK_XATTRS, 1, [True if symlinks do not support xattrs])
1224 if test x"$enable_xattr_support" = x"yes"; then
1225 AC_MSG_ERROR(Failed to find extended attribute support)
1227 AC_MSG_RESULT(No extended attribute support found)
1233 if test x"$enable_acl_support" = x"no" -o x"$enable_xattr_support" = x"no" -o x"$enable_iconv" = x"no"; then
1234 AC_MSG_CHECKING([whether $CC supports -Wno-unused-parameter])
1235 OLD_CFLAGS="$CFLAGS"
1236 CFLAGS="$CFLAGS -Wno-unused-parameter"
1237 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>]], [[printf("hello\n");]])],[rsync_warn_flag=yes],[rsync_warn_flag=no])
1238 AC_MSG_RESULT([$rsync_warn_flag])
1239 if test x"$rsync_warn_flag" = x"no"; then
1240 CFLAGS="$OLD_CFLAGS"
1245 ' checker'*|checker*)
1246 AC_DEFINE(FORCE_FD_ZERO_MEMSET, 1, [Used to make "checker" understand that FD_ZERO() clears memory.])
1250 AC_CONFIG_FILES([Makefile lib/dummy zlib/dummy popt/dummy shconfig])
1254 AC_MSG_RESULT([ rsync ${RSYNC_VERSION} configuration successful])