1 dnl Process this file with autoconf to produce a configure script.
3 AC_INIT([rsync],[ ],[https://rsync.samba.org/bug-tracking.html])
5 AC_CONFIG_MACRO_DIR([m4])
6 AC_CONFIG_SRCDIR([byteorder.h])
7 AC_CONFIG_HEADER(config.h)
10 PACKAGE_VERSION=`sed 's/.*"\(.*\)".*/\1/' <$srcdir/version.h`
12 AC_MSG_NOTICE([Configuring rsync $PACKAGE_VERSION])
18 dnl define the directory for replacement function since AC_LIBOBJ does not
19 dnl officially support subdirs and fails with automake
20 AC_CONFIG_LIBOBJ_DIR([lib])
22 # We must decide this before testing the compiler.
24 # Please allow this to default to yes, so that your users have more
25 # chance of getting a useful stack trace if problems occur.
27 AC_MSG_CHECKING([whether to include debugging symbols])
29 AS_HELP_STRING([--disable-debug],[disable debugging symbols and features]))
31 if test x"$enable_debug" = x"no"; then
36 dnl AC_DEFINE(DEBUG, 1, [Define to turn on debugging code that may slow normal operation])
37 # leave ac_cv_prog_cc_g alone; AC_PROG_CC will try to include -g if it can
40 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"$ac_cv_prog_cc_stdc" = x"no"; then
57 AC_MSG_WARN([rsync requires an ANSI C compiler and you do not seem to have one])
65 AC_ARG_ENABLE(profile,
66 AS_HELP_STRING([--enable-profile],[turn on CPU profiling]))
67 if test x"$enable_profile" = x"yes"; then
71 AC_MSG_CHECKING([if md2man can create man pages])
72 if test x"$ac_cv_path_PYTHON3" = x; then
73 AC_MSG_RESULT(no - python3 not found)
76 md2man_out=`"$srcdir/md2man" --test "$srcdir/rsync-ssl.1.md" 2>&1`
87 AC_MSG_CHECKING([if we require man-page building])
88 AC_ARG_ENABLE([md2man],
89 AS_HELP_STRING([--disable-md2man],[disable md2man for man page creation]))
90 if test x"$enable_md2man" != x"no"; then
91 if test -f "$srcdir/rsync.1"; then
92 AC_MSG_RESULT(optional)
94 AC_MSG_RESULT(required)
95 if test x"$md2man_works" = x"no"; then
96 err_msg="$err_msg$nl- You need python3 and either the cmarkgfm OR commonmark python3 lib in order"
97 err_msg="$err_msg$nl to build man pages based on the git source (man pages are included in the"
98 err_msg="$err_msg$nl official release tar files)."
99 no_lib="$no_lib md2man"
108 # Specifically, this turns on panic_action handling.
109 AC_ARG_ENABLE(maintainer-mode,
110 AS_HELP_STRING([--enable-maintainer-mode],[turn on extra debug features]))
111 if test x"$enable_maintainer_mode" = x"yes"; then
112 CFLAGS="$CFLAGS -DMAINTAINER_MODE"
115 # This is needed for our included version of popt. Kind of silly, but
116 # I don't want our version too far out of sync.
117 CFLAGS="$CFLAGS -DHAVE_CONFIG_H"
119 # If GCC, turn on warnings.
120 if test x"$GCC" = x"yes"; then
121 CFLAGS="$CFLAGS -Wall -W"
124 AC_ARG_WITH(included-popt,
125 AS_HELP_STRING([--with-included-popt],[use bundled popt library, not from system]))
127 AC_ARG_WITH(included-zlib,
128 AS_HELP_STRING([--with-included-zlib],[use bundled zlib library, not from system]))
130 AC_ARG_WITH(protected-args,
131 AS_HELP_STRING([--with-protected-args],[make --protected-args option the default]))
132 if test x"$with_protected_args" = x"yes"; then
133 AC_DEFINE_UNQUOTED(RSYNC_USE_PROTECTED_ARGS, 1, [Define to 1 if --protected-args should be the default])
136 AC_ARG_WITH(rsync-path,
137 AS_HELP_STRING([--with-rsync-path=PATH],[set default --rsync-path to PATH (default: rsync)]),
138 [ RSYNC_PATH="$with_rsync_path" ],
139 [ RSYNC_PATH="rsync" ])
141 AC_DEFINE_UNQUOTED(RSYNC_PATH, "$RSYNC_PATH", [location of rsync on remote machine])
143 AC_ARG_WITH(rsyncd-conf,
144 AS_HELP_STRING([--with-rsyncd-conf=PATH],[set configuration file for rsync server to PATH (default: /etc/rsyncd.conf)]),
145 [ if test ! -z "$with_rsyncd_conf" ; then
146 case $with_rsyncd_conf in
148 RSYNCD_SYSCONF="/etc/rsyncd.conf"
151 RSYNCD_SYSCONF="$with_rsyncd_conf"
154 AC_MSG_ERROR(You must specify an absolute path to --with-rsyncd-conf=PATH)
158 RSYNCD_SYSCONF="/etc/rsyncd.conf"
160 [ RSYNCD_SYSCONF="/etc/rsyncd.conf" ])
162 AC_DEFINE_UNQUOTED(RSYNCD_SYSCONF, "$RSYNCD_SYSCONF", [location of configuration file for rsync server])
165 AS_HELP_STRING([--with-rsh=CMD],[set remote shell command to CMD (default: ssh)]))
167 AC_CHECK_PROG(HAVE_REMSH, remsh, 1, 0)
168 if test x$HAVE_REMSH = x1; then
169 AC_DEFINE(HAVE_REMSH, 1, [Define to 1 if remote shell is remsh, not rsh])
172 if test x"$with_rsh" != x; then
173 RSYNC_RSH="$with_rsh"
177 AC_DEFINE_UNQUOTED(RSYNC_RSH, "$RSYNC_RSH", [default -e command])
179 # Some programs on solaris are only found in /usr/xpg4/bin (or work better than others versions).
180 AC_PATH_PROG(SHELL_PATH, sh, /bin/sh, [/usr/xpg4/bin$PATH_SEPARATOR$PATH])
181 AC_PATH_PROG(FAKEROOT_PATH, fakeroot, /usr/bin/fakeroot, [/usr/xpg4/bin$PATH_SEPARATOR$PATH])
183 AC_ARG_WITH(nobody-group,
184 AS_HELP_STRING([--with-nobody-group=GROUP],[set the default unprivileged group (default nobody or nogroup)]),
185 [ NOBODY_GROUP="$with_nobody_group" ])
187 if test x"$with_nobody_group" = x; then
188 AC_MSG_CHECKING([the group for user "nobody"])
189 if grep '^nobody:' /etc/group >/dev/null 2>&1; then
191 elif grep '^nogroup:' /etc/group >/dev/null 2>&1; then
194 NOBODY_GROUP=nobody # test for others?
196 AC_MSG_RESULT($NOBODY_GROUP)
199 AC_DEFINE_UNQUOTED(NOBODY_USER, "nobody", [unprivileged user--e.g. nobody])
200 AC_DEFINE_UNQUOTED(NOBODY_GROUP, "$NOBODY_GROUP", [unprivileged group for unprivileged user])
205 AC_MSG_CHECKING([whether to enable SIMD optimizations])
207 AS_HELP_STRING([--disable-simd],[disable SIMD optimizations (requires c++)]))
209 # Clag is crashing with -g -O2, so we'll get rid of -g for now.
210 CXXFLAGS=`echo "$CXXFLAGS" | sed 's/-g //'`
212 if test x"$enable_simd" != x"no"; then
213 # For x86-64 SIMD, g++ >=5 or clang++ >=7 is required
214 if test x"$build_cpu" = x"x86_64"; then
216 AC_RUN_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>
217 #include <immintrin.h>
218 __attribute__ ((target("default"))) int test_ssse3(int x) { return x; }
219 __attribute__ ((target("default"))) int test_sse2(int x) { return x; }
220 __attribute__ ((target("default"))) int test_avx2(int x) { return x; }
221 __attribute__ ((target("ssse3"))) int test_ssse3(int x) { return x; }
222 __attribute__ ((target("sse2"))) int test_sse2(int x) { return x; }
223 __attribute__ ((target("avx2"))) int test_avx2(int x) { return x; }
224 typedef long long __m128i_u __attribute__((__vector_size__(16), __may_alias__, __aligned__(1)));
225 typedef long long __m256i_u __attribute__((__vector_size__(32), __may_alias__, __aligned__(1)));
226 __attribute__ ((target("default"))) void more_testing(char* buf, int len) { }
227 __attribute__ ((target("ssse3"))) void more_testing(char* buf, int len)
230 for (i = 0; i < (len-32); i+=32) {
231 __m128i in8_1, in8_2;
232 in8_1 = _mm_lddqu_si128((__m128i_u*)&buf[i]);
233 in8_2 = _mm_lddqu_si128((__m128i_u*)&buf[i + 16]);
236 ]], [[if (test_ssse3(42) != 42 || test_sse2(42) != 42 || test_avx2(42) != 42) exit(1);]])],[CXX_OK=yes],[CXX_OK=no])
238 if test x"$CXX_OK" = x"yes"; then
239 # AC_MSG_RESULT() is called below.
241 elif test x"$enable_simd" = x"yes"; then
243 AC_MSG_ERROR(The SIMD compilation test failed.
244 Omit --enable-simd to continue without it.)
246 elif test x"$enable_simd" = x"yes"; then
247 AC_MSG_RESULT(unavailable)
248 AC_MSG_ERROR(The SIMD optimizations are currently x86_64 only.
249 Omit --enable-simd to continue without it.)
253 if test x"$SIMD" != x""; then
254 AC_MSG_RESULT([yes ($SIMD)])
255 AC_DEFINE(HAVE_SIMD, 1, [Define to 1 to enable SIMD optimizations])
256 SIMD='$(SIMD_'"$SIMD)"
257 # We only use c++ for its target attribute dispatching, disable unneeded bulky features
258 CXXFLAGS="$CXXFLAGS -fno-exceptions -fno-rtti"
259 # Apple often has "g++" as a symlink for clang. Try to find out the truth.
260 CXX_VERSION=`$CXX --version 2>/dev/null | head -n 2`
261 case "$CXX_VERSION" in
262 *clang*) CXXFLAGS="$CXXFLAGS -fno-slp-vectorize" ;; # avoid a performance hit
270 AC_MSG_CHECKING([if assembler accepts noexecstack])
272 CFLAGS="$CFLAGS -Wa,--noexecstack"
273 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[return 0;]])],
274 [ NOEXECSTACK='-Wa,--noexecstack' ; AC_MSG_RESULT(yes) ],
275 [ NOEXECSTACK='' ; AC_MSG_RESULT(no) ])
277 AC_SUBST(NOEXECSTACK)
281 AC_MSG_CHECKING([whether to enable ASM optimizations])
283 AS_HELP_STRING([--disable-asm],[disable ASM optimizations]))
285 if test x"$enable_asm" != x"no"; then
286 if test x"$build_cpu" = x"x86_64"; then
288 elif test x"$enable_asm" = x"yes"; then
289 AC_MSG_RESULT(unavailable)
290 AC_MSG_ERROR(The ASM optimizations are currently x86_64 only.
291 Omit --enable-asm to continue without it.)
295 if test x"$ASM" != x""; then
296 AC_MSG_RESULT([yes ($ASM)])
297 AC_DEFINE(HAVE_ASM, 1, [Define to 1 to enable ASM optimizations])
305 # arrgh. libc in some old debian version screwed up the largefile
306 # stuff, getting byte range locking wrong
307 AC_CACHE_CHECK([for broken largefile support],rsync_cv_HAVE_BROKEN_LARGEFILE,[
308 AC_RUN_IFELSE([AC_LANG_SOURCE([[
309 #define _FILE_OFFSET_BITS 64
312 #include <sys/types.h>
313 #include <sys/wait.h>
322 char tpl[32] = "/tmp/locktest.XXXXXX";
323 int fd = mkstemp(tpl);
325 strcpy(tpl, "conftest.dat");
326 fd = open(tpl, O_CREAT|O_RDWR, 0600);
329 lock.l_type = F_WRLCK;
330 lock.l_whence = SEEK_SET;
334 fcntl(fd,F_SETLK,&lock);
337 _exit(fcntl(fd,F_SETLK,&lock) == 0);
341 return WEXITSTATUS(status);
343 ]])],[rsync_cv_HAVE_BROKEN_LARGEFILE=yes],[rsync_cv_HAVE_BROKEN_LARGEFILE=no],[rsync_cv_HAVE_BROKEN_LARGEFILE=cross])])
344 if test x"$rsync_cv_HAVE_BROKEN_LARGEFILE" != x"yes"; then
353 AS_HELP_STRING([--disable-ipv6],[turn off IPv6 support]))
354 if test x"$enable_ipv6" != x"no"; then
355 AC_MSG_CHECKING([ipv6 stack type])
356 for i in inria kame linux-glibc linux-inet6 solaris toshiba v6d zeta cygwin TANDEM; do
359 # http://www.kame.net/
361 #include <netinet/in.h>
362 #ifdef IPV6_INRIA_VERSION
366 AC_DEFINE(INET6, 1, [true if you have IPv6])
370 # http://www.kame.net/
372 #include <netinet/in.h>
377 AC_DEFINE(INET6, 1, [true if you have IPv6])])
380 # http://www.v6.linux.or.jp/
382 #include <features.h>
383 #if defined(__GLIBC__) && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1
387 AC_DEFINE(INET6, 1, [true if you have IPv6])])
390 # http://www.v6.linux.or.jp/
391 if test -d /usr/inet6 -o -f /usr/inet6/lib/libinet6.a; then
394 ipv6libdir=/usr/inet6/lib
396 AC_DEFINE(INET6, 1, [true if you have IPv6])
397 CFLAGS="-I/usr/inet6/include $CFLAGS"
403 #include <netinet/ip6.h>
408 AC_DEFINE(INET6, 1, [true if you have IPv6])])
412 #include <sys/param.h>
413 #ifdef _TOSHIBA_INET6
418 ipv6libdir=/usr/local/v6/lib;
419 AC_DEFINE(INET6, 1, [true if you have IPv6])])
423 #include </usr/local/v6/include/sys/v6config.h>
429 ipv6libdir=/usr/local/v6/lib;
430 AC_DEFINE(INET6, 1, [true if you have IPv6])])
434 #include <sys/param.h>
435 #ifdef _ZETA_MINAMI_INET6
440 ipv6libdir=/usr/local/v6/lib;
441 AC_DEFINE(INET6, 1, [true if you have IPv6])])
445 #include <netinet/in.h>
450 AC_DEFINE(INET6, 1, [true if you have IPv6])])
454 #include <netinet/ip6.h>
459 AC_DEFINE(INET6, 1, [true if you have IPv6])])
462 if test "$ipv6type" != "unknown"; then
466 AC_MSG_RESULT($ipv6type)
468 AC_SEARCH_LIBS(getaddrinfo, inet6)
471 dnl Do you want to disable use of locale functions
472 AC_ARG_ENABLE([locale],
473 AS_HELP_STRING([--disable-locale],[disable locale features]))
474 AH_TEMPLATE([CONFIG_LOCALE],
475 [Undefine if you do not want locale features. By default this is defined.])
476 if test x"$enable_locale" != x"no"; then
477 AC_DEFINE(CONFIG_LOCALE)
480 AC_MSG_CHECKING([whether to call shutdown on all sockets])
482 *cygwin* ) AC_MSG_RESULT(yes)
483 AC_DEFINE(SHUTDOWN_ALL_SOCKETS, 1,
484 [Define to 1 if sockets need to be shutdown])
486 * ) AC_MSG_RESULT(no);;
493 AC_CHECK_HEADERS(sys/fcntl.h sys/select.h fcntl.h sys/time.h sys/unistd.h \
494 unistd.h utime.h grp.h compat.h sys/param.h ctype.h sys/wait.h \
495 sys/ioctl.h sys/filio.h string.h stdlib.h sys/socket.h sys/mode.h \
496 sys/un.h sys/attr.h mcheck.h arpa/inet.h arpa/nameser.h locale.h \
497 netdb.h malloc.h float.h limits.h iconv.h libcharset.h langinfo.h \
498 sys/acl.h acl/libacl.h attr/xattr.h sys/xattr.h sys/extattr.h dl.h \
499 popt.h popt/popt.h linux/falloc.h netinet/in_systm.h netinet/ip.h \
500 zlib.h xxhash.h openssl/md4.h openssl/md5.h zstd.h lz4.h sys/file.h)
501 AC_HEADER_MAJOR_FIXED
503 AC_MSG_CHECKING([whether to enable use of openssl crypto library])
504 AC_ARG_ENABLE([openssl],
505 AS_HELP_STRING([--disable-openssl],[disable openssl crypto library]))
506 AH_TEMPLATE([USE_OPENSSL],
507 [Undefine if you do not want to use openssl crypto library. By default this is defined.])
508 if test x"$enable_openssl" != x"no"; then
509 if test x"$ac_cv_header_openssl_md4_h" = x"yes" && test x"$ac_cv_header_openssl_md5_h" = x"yes"; then
511 AC_SEARCH_LIBS(MD5_Init, crypto,
512 [AC_DEFINE(USE_OPENSSL)],
513 [err_msg="$err_msg$nl- Failed to find MD5_Init function in openssl crypto lib.";
514 no_lib="$no_lib openssl"])
517 err_msg="$err_msg$nl- Failed to find openssl/md4.h and openssl/md5.h for openssl crypto lib support."
518 no_lib="$no_lib openssl"
524 AC_MSG_CHECKING([whether to enable xxhash checksum support])
525 AC_ARG_ENABLE([xxhash],
526 AS_HELP_STRING([--disable-xxhash],[disable xxhash checksums]))
527 AH_TEMPLATE([SUPPORT_XXHASH],
528 [Undefine if you do not want xxhash checksums. By default this is defined.])
529 if test x"$enable_xxhash" != x"no"; then
530 if test x"$ac_cv_header_xxhash_h" = x"yes"; then
532 AC_SEARCH_LIBS(XXH64_createState, xxhash,
533 [AC_DEFINE(SUPPORT_XXHASH)],
534 [err_msg="$err_msg$nl- Failed to find XXH64_createState function in xxhash lib.";
535 no_lib="$no_lib xxhash"])
538 err_msg="$err_msg$nl- Failed to find xxhash.h for xxhash checksum support.";
539 no_lib="$no_lib xxhash"
545 AC_MSG_CHECKING([whether to enable zstd compression])
546 AC_ARG_ENABLE([zstd],
547 AC_HELP_STRING([--disable-zstd], [disable zstd compression]))
548 AH_TEMPLATE([SUPPORT_ZSTD],
549 [Undefine if you do not want zstd compression. By default this is defined.])
550 if test x"$enable_zstd" != x"no"; then
551 if test x"$ac_cv_header_zstd_h" = x"yes"; then
553 AC_SEARCH_LIBS(ZSTD_minCLevel, zstd,
554 [AC_DEFINE(SUPPORT_ZSTD)],
555 [err_msg="$err_msg$nl- Failed to find ZSTD_minCLevel function in zstd lib.";
556 no_lib="$no_lib zstd"])
559 err_msg="$err_msg$nl- Failed to find zstd.h for zstd compression support.";
560 no_lib="$no_lib zstd"
566 AC_MSG_CHECKING([whether to enable LZ4 compression])
568 AC_HELP_STRING([--disable-lz4], [disable LZ4 compression]))
569 AH_TEMPLATE([SUPPORT_LZ4],
570 [Undefine if you do not want LZ4 compression. By default this is defined.])
571 if test x"$enable_lz4" != x"no"; then
572 if test x"$ac_cv_header_lz4_h" = x"yes"; then
574 AC_SEARCH_LIBS(LZ4_compress_default, lz4,
575 [AC_DEFINE(SUPPORT_LZ4)],
576 [err_msg="$err_msg$nl- Failed to find LZ4_compress_default function in lz4 lib.";
577 no_lib="$no_lib lz4"])
580 err_msg="$err_msg$nl- Failed to find lz4.h for lz4 compression support."
587 if test x"$no_lib" != x; then
589 echo "Configure found the following issues:"
592 echo "See the INSTALL file for hints on how to install the missing libraries and/or"
593 echo "how to generate (or fetch) man pages:"
594 echo " https://github.com/WayneD/rsync/blob/master/INSTALL.md"
596 echo "To disable one or more features, the relevant configure options are:"
597 for lib in $no_lib; do
598 echo " --disable-$lib"
601 AC_MSG_ERROR(Aborting configure run)
604 AC_CACHE_CHECK([if makedev takes 3 args],rsync_cv_MAKEDEV_TAKES_3_ARGS,[
605 AC_RUN_IFELSE([AC_LANG_SOURCE([[
606 #include <sys/types.h>
607 #ifdef MAJOR_IN_MKDEV
608 #include <sys/mkdev.h>
609 # if !defined makedev && (defined mkdev || defined _WIN32 || defined __WIN32__)
610 # define makedev mkdev
612 #elif defined MAJOR_IN_SYSMACROS
613 #include <sys/sysmacros.h>
618 dev_t dev = makedev(0, 5, 7);
619 if (major(dev) != 5 || minor(dev) != 7)
623 ]])],[rsync_cv_MAKEDEV_TAKES_3_ARGS=yes],[rsync_cv_MAKEDEV_TAKES_3_ARGS=no],[rsync_cv_MAKEDEV_TAKES_3_ARGS=no])])
624 if test x"$rsync_cv_MAKEDEV_TAKES_3_ARGS" = x"yes"; then
625 AC_DEFINE(MAKEDEV_TAKES_3_ARGS, 1, [Define to 1 if makedev() takes 3 args])
629 AC_CHECK_SIZEOF(long)
630 AC_CHECK_SIZEOF(long long)
631 AC_CHECK_SIZEOF(short)
632 AC_CHECK_SIZEOF(int16_t)
633 AC_CHECK_SIZEOF(uint16_t)
634 AC_CHECK_SIZEOF(int32_t)
635 AC_CHECK_SIZEOF(uint32_t)
636 AC_CHECK_SIZEOF(int64_t)
637 AC_CHECK_SIZEOF(off_t)
638 AC_CHECK_SIZEOF(off64_t)
639 AC_CHECK_SIZEOF(time_t)
640 AC_CHECK_SIZEOF(char*)
644 AC_TYPE_LONG_DOUBLE_WIDER
645 ac_cv_c_long_double=$ac_cv_type_long_double_wider
646 if test $ac_cv_c_long_double = yes; then
647 AC_DEFINE([HAVE_LONG_DOUBLE],[1],[Define to 1 if the type `long double' works and has more range or precision than `double'.])
651 AC_CHECK_TYPES([mode_t,off_t,size_t,pid_t,id_t])
653 AC_CHECK_MEMBERS([struct stat.st_rdev,
654 struct stat.st_mtimensec,
655 struct stat.st_mtimespec.tv_nsec,
656 struct stat.st_mtim.tv_nsec],,,[
657 #ifdef HAVE_SYS_TYPES_H
658 #include <sys/types.h>
660 #ifdef HAVE_SYS_STAT_H
661 #include <sys/stat.h>
669 AC_CACHE_CHECK([for errno in errno.h],rsync_cv_errno, [
670 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <errno.h>]], [[int i = errno]])],[rsync_cv_errno=yes],[rsync_cv_have_errno_decl=no])])
671 if test x"$rsync_cv_errno" = x"yes"; then
672 AC_DEFINE(HAVE_ERRNO_DECL, 1, [Define to 1 if errno is declared in errno.h])
675 # The following test taken from the cvs sources
676 # If we can't find connect, try looking in -lsocket, -lnsl, and -linet.
677 # These need checks to be before checks for any other functions that
678 # might be in the same libraries.
679 # The Irix 5 libc.so has connect and gethostbyname, but Irix 5 also has
680 # libsocket.so which has a bad implementation of gethostbyname (it
681 # only looks in /etc/hosts), so we only look for -lsocket if we need
683 AC_CHECK_FUNCS(connect)
684 if test x"$ac_cv_func_connect" = x"no"; then
687 *) AC_CHECK_LIB(nsl_s, printf) ;;
691 *) AC_CHECK_LIB(nsl, printf) ;;
695 *) AC_CHECK_LIB(socket, connect) ;;
699 *) AC_CHECK_LIB(inet, connect) ;;
701 dnl We can't just call AC_CHECK_FUNCS(connect) here, because the value
703 if test x"$ac_cv_lib_socket_connect" = x"yes" ||
704 test x"$ac_cv_lib_inet_connect" = x"yes"; then
705 # ac_cv_func_connect=yes
706 # don't! it would cause AC_CHECK_FUNC to succeed next time configure is run
707 AC_DEFINE(HAVE_CONNECT, 1, [Define to 1 if you have the "connect" function])
711 AC_SEARCH_LIBS(inet_ntop, resolv)
713 # For OS X, Solaris, HP-UX, etc.: figure out if -liconv is needed. We'll
714 # accept either iconv_open or libiconv_open, since some include files map
715 # the former to the latter.
716 AC_SEARCH_LIBS(iconv_open, iconv)
717 AC_SEARCH_LIBS(libiconv_open, iconv)
719 AC_MSG_CHECKING([for iconv declaration])
720 AC_CACHE_VAL(am_cv_proto_iconv, [
721 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
728 #if defined(__STDC__) || defined(__cplusplus)
729 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
733 ]], [[]])],[am_cv_proto_iconv_arg1=""],[am_cv_proto_iconv_arg1="const"])
734 am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"])
735 am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed 's/( /(/'`
736 AC_MSG_RESULT([$]{ac_t:-
737 }[$]am_cv_proto_iconv)
738 AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1,
739 [Define as const if the declaration of iconv() needs const.])
741 dnl AC_MSG_NOTICE([Looking in libraries: $LIBS])
743 AC_REPLACE_FUNCS([inet_ntop inet_pton])
745 AC_HAVE_TYPE([struct addrinfo], [#include <netdb.h>])
746 AC_HAVE_TYPE([struct sockaddr_storage], [#include <sys/types.h>
747 #include <sys/socket.h>])
749 # Irix 6.5 has getaddrinfo but not the corresponding defines, so use
750 # builtin getaddrinfo if one of the defines don't exist
751 AC_CACHE_CHECK([whether defines needed by getaddrinfo exist],
752 rsync_cv_HAVE_GETADDR_DEFINES,[
754 #include <sys/types.h>
755 #include <sys/socket.h>
760 rsync_cv_HAVE_GETADDR_DEFINES=yes,
761 rsync_cv_HAVE_GETADDR_DEFINES=no)])
762 AS_IF([test x"$rsync_cv_HAVE_GETADDR_DEFINES" = x"yes" -a x"$ac_cv_type_struct_addrinfo" = x"yes"],[
763 # Tru64 UNIX has getaddrinfo() but has it renamed in libc as
764 # something else so we must include <netdb.h> to get the
766 AC_CHECK_FUNCS(getaddrinfo, ,
767 [AC_MSG_CHECKING([for getaddrinfo by including <netdb.h>])
768 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
769 #include <sys/socket.h>
770 #include <netdb.h>]], [[getaddrinfo(NULL, NULL, NULL, NULL);]])],[AC_MSG_RESULT([yes])
771 AC_DEFINE(HAVE_GETADDRINFO, 1,
772 [Define to 1 if you have the "getaddrinfo" function and required types.])],[AC_MSG_RESULT([no])
773 AC_LIBOBJ([getaddrinfo])])])
774 ],[AC_LIBOBJ([getaddrinfo])])
776 AC_CHECK_MEMBER([struct sockaddr.sa_len],
777 [ AC_DEFINE(HAVE_SOCKADDR_LEN, 1, [Do we have sockaddr.sa_len?]) ],
780 #include <sys/types.h>
781 #include <sys/socket.h>
784 AC_CHECK_MEMBER([struct sockaddr_in.sin_len],
785 [ AC_DEFINE(HAVE_SOCKADDR_IN_LEN, 1, [Do we have sockaddr_in.sin_len?]) ],
788 #include <sys/types.h>
789 #include <sys/socket.h>
790 #include <netinet/in.h>
793 AC_CHECK_MEMBER([struct sockaddr_un.sun_len],
794 [ AC_DEFINE(HAVE_SOCKADDR_UN_LEN, 1, [Do we have sockaddr_un.sun_len?]) ],
797 #include <sys/types.h>
798 #include <sys/socket.h>
799 #include <netinet/in.h>
802 AC_CHECK_MEMBER([struct sockaddr_in6.sin6_scope_id],
803 [ AC_DEFINE(HAVE_SOCKADDR_IN6_SCOPE_ID, 1, [Do we have sockaddr_in6.sin6_scope_id?]) ],
806 #include <sys/types.h>
807 #include <sys/socket.h>
808 #include <netinet/in.h>
811 AC_HAVE_TYPE([struct stat64], [#include <stdio.h>
813 # include <sys/types.h>
816 # include <sys/stat.h>
828 # if we can't find strcasecmp, look in -lresolv (for Unixware at least)
830 AC_CHECK_FUNCS(strcasecmp)
831 if test x"$ac_cv_func_strcasecmp" = x"no"; then
832 AC_CHECK_LIB(resolv, strcasecmp)
835 AC_CHECK_FUNCS(aclsort)
836 if test x"$ac_cv_func_aclsort" = x"no"; then
837 AC_CHECK_LIB(sec, aclsort)
840 dnl At the moment we don't test for a broken memcmp(), because all we
841 dnl need to do is test for equality, not comparison, and it seems that
842 dnl every platform has a memcmp that can do at least that.
847 AC_CHECK_FUNCS(waitpid wait4 getcwd chown chmod lchmod mknod mkfifo \
848 fchmod fstat ftruncate strchr readlink link utime utimes lutimes strftime \
849 chflags getattrlist mktime innetgr linkat \
850 memmove lchown vsnprintf snprintf vasprintf asprintf setsid strpbrk \
851 strlcat strlcpy strtol mallinfo getgroups setgroups geteuid getegid \
852 setlocale setmode open64 lseek64 mkstemp64 mtrace va_copy __va_copy \
853 seteuid strerror putenv iconv_open locale_charset nl_langinfo getxattr \
854 extattr_get_link sigaction sigprocmask setattrlist getgrouplist \
855 initgroups utimensat posix_fallocate attropen setvbuf nanosleep usleep)
857 dnl cygwin iconv.h defines iconv_open as libiconv_open
858 if test x"$ac_cv_func_iconv_open" != x"yes"; then
859 AC_CHECK_FUNC(libiconv_open, [ac_cv_func_iconv_open=yes; AC_DEFINE(HAVE_ICONV_OPEN, 1)])
862 dnl Preallocation stuff (also fallocate, posix_fallocate function tests above):
864 AC_CACHE_CHECK([for useable fallocate],rsync_cv_have_fallocate,[
865 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <fcntl.h>
866 #include <sys/types.h>]], [[fallocate(0, 0, 0, 0);]])],[rsync_cv_have_fallocate=yes],[rsync_cv_have_fallocate=no])])
867 if test x"$rsync_cv_have_fallocate" = x"yes"; then
868 AC_DEFINE(HAVE_FALLOCATE, 1, [Define to 1 if you have the fallocate function and it compiles and links without error])
871 AC_MSG_CHECKING([for FALLOC_FL_PUNCH_HOLE])
872 AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
873 #define _GNU_SOURCE 1
874 #include <linux/falloc.h>
875 #ifndef FALLOC_FL_PUNCH_HOLE
876 #error FALLOC_FL_PUNCH_HOLE is missing
880 AC_DEFINE([HAVE_FALLOC_FL_PUNCH_HOLE], [1], [Define if FALLOC_FL_PUNCH_HOLE is available.])
886 AC_MSG_CHECKING([for FALLOC_FL_ZERO_RANGE])
887 AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
888 #define _GNU_SOURCE 1
889 #include <linux/falloc.h>
890 #ifndef FALLOC_FL_ZERO_RANGE
891 #error FALLOC_FL_ZERO_RANGE is missing
895 AC_DEFINE([HAVE_FALLOC_FL_ZERO_RANGE], [1], [Define if FALLOC_FL_ZERO_RANGE is available.])
901 AC_CACHE_CHECK([for SYS_fallocate],rsync_cv_have_sys_fallocate,[
902 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/syscall.h>
904 #include <sys/types.h>]], [[syscall(SYS_fallocate, 0, 0, (loff_t)0, (loff_t)0);]])],[rsync_cv_have_sys_fallocate=yes],[rsync_cv_have_sys_fallocate=no])])
905 if test x"$rsync_cv_have_sys_fallocate" = x"yes"; then
906 AC_DEFINE(HAVE_SYS_FALLOCATE, 1, [Define to 1 if you have the SYS_fallocate syscall number])
909 if test x"$ac_cv_func_posix_fallocate" = x"yes"; then
910 AC_MSG_CHECKING([whether posix_fallocate is efficient])
914 AC_DEFINE(HAVE_EFFICIENT_POSIX_FALLOCATE, 1,
915 [Define if posix_fallocate is efficient (Cygwin)])
923 dnl End of preallocation stuff
925 AC_CHECK_FUNCS(getpgrp tcgetpgrp)
926 if test $ac_cv_func_getpgrp = yes; then
930 AC_ARG_ENABLE(iconv-open,
931 AS_HELP_STRING([--disable-iconv-open],[disable all use of iconv_open() function]),
932 [], [enable_iconv_open=$ac_cv_func_iconv_open])
934 if test x"$enable_iconv_open" != x"no"; then
935 AC_DEFINE(USE_ICONV_OPEN, 1, [Define to 1 if you want rsync to make use of iconv_open()])
939 AS_HELP_STRING([--disable-iconv],[disable rsync's --iconv option]),
940 [], [enable_iconv=$enable_iconv_open])
941 AH_TEMPLATE([ICONV_OPTION],
942 [Define if you want the --iconv option. Specifying a value will set the
943 default iconv setting (a NULL means no --iconv processing by default).])
944 if test x"$enable_iconv" != x"no"; then
945 if test x"$enable_iconv" = x"yes"; then
946 AC_DEFINE(ICONV_OPTION, NULL)
948 AC_DEFINE_UNQUOTED(ICONV_OPTION, "$enable_iconv")
950 AC_DEFINE(UTF8_CHARSET, "UTF-8", [String to pass to iconv() for the UTF-8 charset.])
953 AC_CACHE_CHECK([whether chown() modifies symlinks],rsync_cv_chown_modifies_symlink,[
954 AC_RUN_IFELSE([AC_LANG_SOURCE([[
961 char const *dangling_symlink = "conftest.dangle";
962 unlink(dangling_symlink);
963 if (symlink("conftest.no-such", dangling_symlink) < 0) abort();
964 if (chown(dangling_symlink, getuid(), getgid()) < 0 && errno == ENOENT) return 1;
966 }]])],[rsync_cv_chown_modifies_symlink=yes],[rsync_cv_chown_modifies_symlink=no],[rsync_cv_chown_modifies_symlink=no])])
967 if test $rsync_cv_chown_modifies_symlink = yes; then
968 AC_DEFINE(CHOWN_MODIFIES_SYMLINK, 1, [Define to 1 if chown modifies symlinks.])
971 AC_CACHE_CHECK([whether link() can hard-link symlinks],rsync_cv_can_hardlink_symlink,[
972 AC_RUN_IFELSE([AC_LANG_SOURCE([[
975 #elif defined HAVE_SYS_FCNTL_H
976 # include <sys/fcntl.h>
983 #define FILENAME "conftest.dangle"
986 if (symlink("conftest.no-such", FILENAME) < 0) abort();
987 unlink(FILENAME "2");
989 if (linkat(AT_FDCWD, FILENAME, AT_FDCWD, FILENAME "2", 0) < 0) return 1;
991 if (link(FILENAME, FILENAME "2") < 0) return 1;
994 }]])],[rsync_cv_can_hardlink_symlink=yes],[rsync_cv_can_hardlink_symlink=no],[rsync_cv_can_hardlink_symlink=no])])
995 if test $rsync_cv_can_hardlink_symlink = yes; then
996 AC_DEFINE(CAN_HARDLINK_SYMLINK, 1, [Define to 1 if link() can hard-link symlinks.])
999 AC_CACHE_CHECK([whether link() can hard-link special files],rsync_cv_can_hardlink_special,[
1000 AC_RUN_IFELSE([AC_LANG_SOURCE([[
1002 # include <unistd.h>
1004 #ifdef HAVE_SYS_STAT_H
1005 #include <sys/stat.h>
1009 #define FILENAME "conftest.fifi"
1012 if (mkfifo(FILENAME, 0777) < 0) abort();
1013 unlink(FILENAME "2");
1014 if (link(FILENAME, FILENAME "2") < 0) return 1;
1016 }]])],[rsync_cv_can_hardlink_special=yes],[rsync_cv_can_hardlink_special=no],[rsync_cv_can_hardlink_special=no])])
1017 if test $rsync_cv_can_hardlink_special = yes; then
1018 AC_DEFINE(CAN_HARDLINK_SPECIAL, 1, [Define to 1 if link() can hard-link special files.])
1021 AC_CACHE_CHECK([for working socketpair],rsync_cv_HAVE_SOCKETPAIR,[
1022 AC_RUN_IFELSE([AC_LANG_SOURCE([[
1023 #include <sys/types.h>
1024 #include <sys/socket.h>
1028 return (socketpair(AF_UNIX, SOCK_STREAM, 0, fd) != -1) ? 0 : 1;
1029 }]])],[rsync_cv_HAVE_SOCKETPAIR=yes],[rsync_cv_HAVE_SOCKETPAIR=no],[rsync_cv_HAVE_SOCKETPAIR=cross])])
1030 if test x"$rsync_cv_HAVE_SOCKETPAIR" = x"yes"; then
1031 AC_DEFINE(HAVE_SOCKETPAIR, 1, [Define to 1 if you have the "socketpair" function])
1034 AC_REPLACE_FUNCS([getpass])
1036 if test x"$with_included_popt" != x"yes"; then
1037 AC_CHECK_LIB(popt, poptGetContext, , [with_included_popt=yes])
1039 if test x"$ac_cv_header_popt_popt_h" = x"yes"; then
1040 # If the system has /usr/include/popt/popt.h, we enable the
1041 # included popt because an attempt to "#include <popt/popt.h>"
1042 # would use our included header file anyway (due to -I.), and
1043 # might conflict with the system popt.
1044 with_included_popt=yes
1045 elif test x"$ac_cv_header_popt_h" != x"yes"; then
1046 with_included_popt=yes
1049 AC_MSG_CHECKING([whether to use included libpopt])
1050 if test x"$with_included_popt" = x"yes"; then
1051 AC_MSG_RESULT($srcdir/popt)
1052 BUILD_POPT='$(popt_OBJS)'
1053 CFLAGS="-I$srcdir/popt $CFLAGS"
1054 if test x"$ALLOCA" != x
1056 # this can be removed when/if we add an included alloca.c;
1057 # see autoconf documentation on AC_FUNC_ALLOCA
1058 AC_MSG_WARN([included libpopt will use malloc, not alloca (which wastes a small amount of memory)])
1064 # We default to using our zlib unless --with-included-zlib=no is given.
1065 if test x"$with_included_zlib" != x"no"; then
1066 with_included_zlib=yes
1067 elif test x"$ac_cv_header_zlib_h" != x"yes"; then
1068 with_included_zlib=yes
1070 if test x"$with_included_zlib" != x"yes"; then
1071 AC_CHECK_LIB(z, deflateParams, , [with_included_zlib=yes])
1074 AC_MSG_CHECKING([whether to use included zlib])
1075 if test x"$with_included_zlib" = x"yes"; then
1076 AC_MSG_RESULT($srcdir/zlib)
1077 BUILD_ZLIB='$(zlib_OBJS)'
1078 CFLAGS="-I$srcdir/zlib $CFLAGS"
1080 AC_DEFINE(EXTERNAL_ZLIB, 1, [Define to 1 if using external zlib])
1084 AC_CACHE_CHECK([for unsigned char],rsync_cv_SIGNED_CHAR_OK,[
1085 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[signed char *s = ""]])],[rsync_cv_SIGNED_CHAR_OK=yes],[rsync_cv_SIGNED_CHAR_OK=no])])
1086 if test x"$rsync_cv_SIGNED_CHAR_OK" = x"yes"; then
1087 AC_DEFINE(SIGNED_CHAR_OK, 1, [Define to 1 if "signed char" is a valid type])
1090 AC_CACHE_CHECK([for broken readdir],rsync_cv_HAVE_BROKEN_READDIR,[
1091 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <sys/types.h>
1093 int main(void) { struct dirent *di; DIR *d = opendir("."); di = readdir(d);
1094 if (di && di->d_name[-2] == '.' && di->d_name[-1] == 0 &&
1095 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])])
1096 if test x"$rsync_cv_HAVE_BROKEN_READDIR" = x"yes"; then
1097 AC_DEFINE(HAVE_BROKEN_READDIR, 1, [Define to 1 if readdir() is broken])
1100 AC_CACHE_CHECK([for utimbuf],rsync_cv_HAVE_STRUCT_UTIMBUF,[
1101 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
1102 #include <utime.h>]], [[struct utimbuf tbuf; tbuf.actime = 0; tbuf.modtime = 1; return utime("foo.c",&tbuf);]])],[rsync_cv_HAVE_STRUCT_UTIMBUF=yes],[rsync_cv_HAVE_STRUCT_UTIMBUF=no])])
1103 if test x"$rsync_cv_HAVE_STRUCT_UTIMBUF" = x"yes"; then
1104 AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if you have the "struct utimbuf" type])
1107 AC_CACHE_CHECK([if gettimeofday takes tz argument],rsync_cv_HAVE_GETTIMEOFDAY_TZ,[
1108 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/time.h>
1109 #include <unistd.h>]], [[struct timeval tv; return gettimeofday(&tv, NULL);]])],[rsync_cv_HAVE_GETTIMEOFDAY_TZ=yes],[rsync_cv_HAVE_GETTIMEOFDAY_TZ=no])])
1110 if test x"$rsync_cv_HAVE_GETTIMEOFDAY_TZ" != x"no"; then
1111 AC_DEFINE(HAVE_GETTIMEOFDAY_TZ, 1, [Define to 1 if gettimeofday() takes a time-zone arg])
1114 AC_CACHE_CHECK([for C99 vsnprintf],rsync_cv_HAVE_C99_VSNPRINTF,[
1115 AC_RUN_IFELSE([AC_LANG_SOURCE([[
1116 #include <sys/types.h>
1121 void foo(const char *format, ...) {
1124 static char buf[] = "12345678901234567890";
1126 va_start(ap, format);
1127 len = vsnprintf(0, 0, format, ap);
1129 if (len != 5) exit(1);
1131 if (snprintf(buf, 3, "hello") != 5 || strcmp(buf, "he") != 0) exit(1);
1133 int main(void) { foo("hello"); return 0; }
1134 ]])],[rsync_cv_HAVE_C99_VSNPRINTF=yes],[rsync_cv_HAVE_C99_VSNPRINTF=no],[rsync_cv_HAVE_C99_VSNPRINTF=cross])])
1135 if test x"$rsync_cv_HAVE_C99_VSNPRINTF" = x"yes"; then
1136 AC_DEFINE(HAVE_C99_VSNPRINTF, 1, [Define to 1 if vsprintf has a C99-compatible return value])
1140 AC_CACHE_CHECK([for secure mkstemp],rsync_cv_HAVE_SECURE_MKSTEMP,[
1141 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdlib.h>
1142 #include <sys/types.h>
1143 #include <sys/stat.h>
1147 char tpl[20]="/tmp/test.XXXXXX";
1148 int fd = mkstemp(tpl);
1149 if (fd == -1) return 1;
1151 if (fstat(fd, &st) != 0) return 1;
1152 if ((st.st_mode & 0777) != 0600) return 1;
1154 }]])],[rsync_cv_HAVE_SECURE_MKSTEMP=yes],[rsync_cv_HAVE_SECURE_MKSTEMP=no],[rsync_cv_HAVE_SECURE_MKSTEMP=cross])])
1155 if test x"$rsync_cv_HAVE_SECURE_MKSTEMP" = x"yes"; then
1158 dnl HP-UX has a broken mkstemp() implementation they refuse to fix,
1159 dnl so we noisily skip using it. See HP change request JAGaf34426
1160 dnl for details. (sbonds)
1161 AC_MSG_WARN(Skipping broken HP-UX mkstemp() -- using mktemp() instead)
1164 AC_DEFINE(HAVE_SECURE_MKSTEMP, 1, [Define to 1 if mkstemp() is available and works right])
1170 AC_CACHE_CHECK([if mknod creates FIFOs],rsync_cv_MKNOD_CREATES_FIFOS,[
1171 AC_RUN_IFELSE([AC_LANG_SOURCE([[
1173 #include <sys/stat.h>
1176 # include <unistd.h>
1178 int main(void) { int rc, ec; char *fn = "fifo-test";
1179 unlink(fn); rc = mknod(fn,S_IFIFO,0600); ec = errno; unlink(fn);
1180 if (rc) {printf("(%d %d) ",rc,ec); return ec;}
1181 return 0;}]])],[rsync_cv_MKNOD_CREATES_FIFOS=yes],[rsync_cv_MKNOD_CREATES_FIFOS=no],[rsync_cv_MKNOD_CREATES_FIFOS=cross])])
1182 if test x"$rsync_cv_MKNOD_CREATES_FIFOS" = x"yes"; then
1183 AC_DEFINE(MKNOD_CREATES_FIFOS, 1, [Define to 1 if mknod() can create FIFOs.])
1186 AC_CACHE_CHECK([if mknod creates sockets],rsync_cv_MKNOD_CREATES_SOCKETS,[
1187 AC_RUN_IFELSE([AC_LANG_SOURCE([[
1189 #include <sys/stat.h>
1192 # include <unistd.h>
1194 int main(void) { int rc, ec; char *fn = "sock-test";
1195 unlink(fn); rc = mknod(fn,S_IFSOCK,0600); ec = errno; unlink(fn);
1196 if (rc) {printf("(%d %d) ",rc,ec); return ec;}
1197 return 0;}]])],[rsync_cv_MKNOD_CREATES_SOCKETS=yes],[rsync_cv_MKNOD_CREATES_SOCKETS=no],[rsync_cv_MKNOD_CREATES_SOCKETS=cross])])
1198 if test x"$rsync_cv_MKNOD_CREATES_SOCKETS" = x"yes"; then
1199 AC_DEFINE(MKNOD_CREATES_SOCKETS, 1, [Define to 1 if mknod() can create sockets.])
1203 # The following test was mostly taken from the tcl/tk plus patches
1205 AC_CACHE_CHECK([whether -c -o works],rsync_cv_DASHC_WORKS_WITH_DASHO,[
1207 cat > conftest.$ac_ext <<EOF
1208 int main(void) { return 0; }
1210 ${CC-cc} -c -o conftest..o conftest.$ac_ext
1211 if test -f conftest..o; then
1212 rsync_cv_DASHC_WORKS_WITH_DASHO=yes
1214 rsync_cv_DASHC_WORKS_WITH_DASHO=no
1218 if test x"$rsync_cv_DASHC_WORKS_WITH_DASHO" = x"yes"; then
1221 CC_SHOBJ_FLAG='-o $@'
1223 OBJ_SAVE=' @b=`basename $@ .o`;rm -f $$b.o.sav;if test -f $$b.o; then mv $$b.o $$b.o.sav;fi;'
1224 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'
1229 AC_SUBST(OBJ_RESTORE)
1230 AC_SUBST(CC_SHOBJ_FLAG)
1231 AC_SUBST(BUILD_POPT)
1232 AC_SUBST(BUILD_ZLIB)
1235 AC_CHECK_FUNCS(_acl __acl _facl __facl)
1236 #################################################
1237 # check for ACL support
1239 AC_MSG_CHECKING([whether to support ACLs])
1240 AC_ARG_ENABLE(acl-support,
1241 AS_HELP_STRING([--disable-acl-support],[disable ACL support]))
1243 if test x"$enable_acl_support" = x"no"; then
1248 AC_MSG_RESULT(Using UnixWare ACLs)
1249 AC_DEFINE(HAVE_UNIXWARE_ACLS, 1, [true if you have UnixWare ACLs])
1250 AC_DEFINE(SUPPORT_ACLS, 1, [Define to 1 to add support for ACLs])
1253 AC_MSG_RESULT(Using solaris ACLs)
1254 AC_DEFINE(HAVE_SOLARIS_ACLS, 1, [true if you have solaris ACLs])
1255 AC_DEFINE(SUPPORT_ACLS, 1)
1258 AC_MSG_RESULT(Using IRIX ACLs)
1259 AC_DEFINE(HAVE_IRIX_ACLS, 1, [true if you have IRIX ACLs])
1260 AC_DEFINE(SUPPORT_ACLS, 1)
1263 AC_MSG_RESULT(Using AIX ACLs)
1264 AC_DEFINE(HAVE_AIX_ACLS, 1, [true if you have AIX ACLs])
1265 AC_DEFINE(SUPPORT_ACLS, 1)
1268 AC_MSG_RESULT(Using Tru64 ACLs)
1269 AC_DEFINE(HAVE_TRU64_ACLS, 1, [true if you have Tru64 ACLs])
1270 AC_DEFINE(SUPPORT_ACLS, 1)
1274 AC_MSG_RESULT(Using OS X ACLs)
1275 AC_DEFINE(HAVE_OSX_ACLS, 1, [true if you have Mac OS X ACLs])
1276 AC_DEFINE(SUPPORT_ACLS, 1)
1279 AC_MSG_RESULT(Using HPUX ACLs)
1280 AC_DEFINE(HAVE_HPUX_ACLS, 1, [true if you have HPUX ACLs])
1281 AC_DEFINE(SUPPORT_ACLS, 1)
1284 AC_MSG_RESULT(running tests:)
1285 AC_CHECK_LIB(acl,acl_get_file)
1286 AC_CACHE_CHECK([for ACL support],samba_cv_HAVE_POSIX_ACLS,[
1287 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
1288 #include <sys/acl.h>]], [[ acl_t acl; int entry_id; acl_entry_t *entry_p; return acl_get_entry( acl, entry_id, entry_p);]])],[samba_cv_HAVE_POSIX_ACLS=yes],[samba_cv_HAVE_POSIX_ACLS=no])])
1289 AC_MSG_CHECKING(ACL test results)
1290 if test x"$samba_cv_HAVE_POSIX_ACLS" = x"yes"; then
1291 AC_MSG_RESULT(Using posix ACLs)
1292 AC_DEFINE(HAVE_POSIX_ACLS, 1, [true if you have posix ACLs])
1293 AC_DEFINE(SUPPORT_ACLS, 1)
1294 AC_CACHE_CHECK([for acl_get_perm_np],samba_cv_HAVE_ACL_GET_PERM_NP,[
1295 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
1296 #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])])
1297 if test x"$samba_cv_HAVE_ACL_GET_PERM_NP" = x"yes"; then
1298 AC_DEFINE(HAVE_ACL_GET_PERM_NP, 1, [true if you have acl_get_perm_np])
1301 if test x"$enable_acl_support" = x"yes"; then
1302 AC_MSG_ERROR(Failed to find ACL support)
1304 AC_MSG_RESULT(No ACL support found)
1311 #################################################
1312 # check for extended attribute support
1313 AC_MSG_CHECKING(whether to support extended attributes)
1314 AC_ARG_ENABLE(xattr-support,
1315 AS_HELP_STRING([--disable-xattr-support],[disable extended attributes]),
1316 [], [case "$ac_cv_func_getxattr$ac_cv_func_extattr_get_link$ac_cv_func_attropen" in
1317 *yes*) enable_xattr_support=maybe ;;
1318 *) enable_xattr_support=no ;;
1320 AH_TEMPLATE([SUPPORT_XATTRS],
1321 [Define to 1 to add support for extended attributes])
1322 if test x"$enable_xattr_support" = x"no"; then
1326 *linux*|*netbsd*|*cygwin*)
1327 AC_MSG_RESULT(Using Linux xattrs)
1328 AC_DEFINE(HAVE_LINUX_XATTRS, 1, [True if you have Linux xattrs (or equivalent)])
1329 AC_DEFINE(SUPPORT_XATTRS, 1)
1330 AC_DEFINE(NO_SYMLINK_USER_XATTRS, 1, [True if symlinks do not support user xattrs])
1331 AC_CHECK_LIB(attr,getxattr)
1334 AC_MSG_RESULT(Using OS X xattrs)
1335 AC_DEFINE(HAVE_OSX_XATTRS, 1, [True if you have Mac OS X xattrs])
1336 AC_DEFINE(SUPPORT_XATTRS, 1)
1337 AC_DEFINE(NO_DEVICE_XATTRS, 1, [True if device files do not support xattrs])
1338 AC_DEFINE(NO_SPECIAL_XATTRS, 1, [True if special files do not support xattrs])
1341 AC_MSG_RESULT(Using FreeBSD extattrs)
1342 AC_DEFINE(HAVE_FREEBSD_XATTRS, 1, [True if you have FreeBSD xattrs])
1343 AC_DEFINE(SUPPORT_XATTRS, 1)
1346 AC_MSG_RESULT(Using Solaris xattrs)
1347 AC_DEFINE(HAVE_SOLARIS_XATTRS, 1, [True if you have Solaris xattrs])
1348 AC_DEFINE(SUPPORT_XATTRS, 1)
1349 AC_DEFINE(NO_SYMLINK_XATTRS, 1, [True if symlinks do not support xattrs])
1352 if test x"$enable_xattr_support" = x"yes"; then
1353 AC_MSG_ERROR(Failed to find extended attribute support)
1355 AC_MSG_RESULT(No extended attribute support found)
1361 if test x"$enable_acl_support" = x"no" -o x"$enable_xattr_support" = x"no" -o x"$enable_iconv" = x"no"; then
1362 AC_MSG_CHECKING([whether $CC supports -Wno-unused-parameter])
1363 OLD_CFLAGS="$CFLAGS"
1364 CFLAGS="$CFLAGS -Wno-unused-parameter"
1365 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>]], [[printf("hello\n");]])],[rsync_warn_flag=yes],[rsync_warn_flag=no])
1366 AC_MSG_RESULT([$rsync_warn_flag])
1367 if test x"$rsync_warn_flag" = x"no"; then
1368 CFLAGS="$OLD_CFLAGS"
1373 ' checker'*|checker*)
1374 AC_DEFINE(FORCE_FD_ZERO_MEMSET, 1, [Used to make "checker" understand that FD_ZERO() clears memory.])
1378 AC_CONFIG_FILES([Makefile lib/dummy zlib/dummy popt/dummy shconfig])
1382 AC_MSG_RESULT([ rsync $PACKAGE_VERSION configuration successful])