1 dnl Process this file with autoconf to produce a configure script.
3 AC_INIT([rsync],[ ],[https://rsync.samba.org/bug-tracking.html])
9 AC_CHECK_HEADERS(sys/fcntl.h sys/select.h fcntl.h sys/time.h sys/unistd.h \
10 unistd.h utime.h compat.h sys/param.h ctype.h sys/wait.h sys/stat.h \
11 sys/ioctl.h sys/filio.h string.h stdlib.h sys/socket.h sys/mode.h grp.h \
12 sys/un.h sys/attr.h arpa/inet.h arpa/nameser.h locale.h sys/types.h \
13 netdb.h malloc.h float.h limits.h iconv.h libcharset.h langinfo.h mcheck.h \
14 sys/acl.h acl/libacl.h attr/xattr.h sys/xattr.h sys/extattr.h dl.h \
15 popt.h popt/popt.h linux/falloc.h netinet/in_systm.h netgroup.h \
16 zlib.h xxhash.h openssl/md4.h openssl/md5.h zstd.h lz4.h sys/file.h)
17 AC_CHECK_HEADERS([netinet/ip.h], [], [], [[#include <netinet/in.h>]])
20 AC_CONFIG_MACRO_DIR([m4])
21 AC_CONFIG_SRCDIR([byteorder.h])
22 AC_CONFIG_HEADER(config.h)
25 PACKAGE_VERSION=`sed 's/.*"\(.*\)".*/\1/' <$srcdir/version.h`
27 AC_MSG_NOTICE([Configuring rsync $PACKAGE_VERSION])
33 dnl define the directory for replacement function since AC_LIBOBJ does not
34 dnl officially support subdirs and fails with automake
35 AC_CONFIG_LIBOBJ_DIR([lib])
37 # We must decide this before testing the compiler.
39 # Please allow this to default to yes, so that your users have more
40 # chance of getting a useful stack trace if problems occur.
42 AC_MSG_CHECKING([whether to include debugging symbols])
44 AS_HELP_STRING([--disable-debug],[disable to omit debugging symbols and features]))
46 if test x"$enable_debug" = x"no"; then
51 dnl AC_DEFINE(DEBUG, 1, [Define to turn on debugging code that may slow normal operation])
52 # leave ac_cv_prog_cc_g alone; AC_PROG_CC will try to include -g if it can
55 dnl Checks for programs.
65 AC_PATH_PROG([PERL], [perl])
66 AC_PATH_PROG([PYTHON3], [python3])
68 AC_DEFINE([_GNU_SOURCE], 1,
69 [Define _GNU_SOURCE so that we get all necessary prototypes])
71 if test x"$ac_cv_prog_cc_stdc" = x"no"; then
72 AC_MSG_WARN([rsync requires an ANSI C compiler and you do not seem to have one])
80 AC_ARG_ENABLE(profile,
81 AS_HELP_STRING([--enable-profile],[enable to turn on CPU profiling]))
82 if test x"$enable_profile" = x"yes"; then
86 AC_MSG_CHECKING([if md2man can create man pages])
87 if test x"$ac_cv_path_PYTHON3" = x; then
88 AC_MSG_RESULT(no - python3 not found)
91 md2man_out=`"$srcdir/md2man" --test "$srcdir/rsync-ssl.1.md" 2>&1`
102 AC_MSG_CHECKING([if we require man-page building])
103 AC_ARG_ENABLE([md2man],
104 AS_HELP_STRING([--disable-md2man],[disable to omit man page creation]))
105 if test x"$enable_md2man" != x"no"; then
106 if test -f "$srcdir/rsync.1"; then
107 AC_MSG_RESULT(optional)
109 AC_MSG_RESULT(required)
110 if test x"$md2man_works" = x"no"; then
111 err_msg="$err_msg$nl- You need python3 and either the cmarkgfm OR commonmark python3 lib in order"
112 err_msg="$err_msg$nl to build man pages based on the git source (man pages are included in the"
113 err_msg="$err_msg$nl official release tar files)."
114 no_lib="$no_lib md2man"
122 # Specifically, this turns on panic_action handling.
123 AC_ARG_ENABLE(maintainer-mode,
124 AS_HELP_STRING([--enable-maintainer-mode],[enable to turn on extra debug features]))
125 if test x"$enable_maintainer_mode" = x"yes"; then
126 CFLAGS="$CFLAGS -DMAINTAINER_MODE"
129 # This is needed for our included version of popt. Kind of silly, but
130 # I don't want our version too far out of sync.
131 CFLAGS="$CFLAGS -DHAVE_CONFIG_H"
133 # If GCC, turn on warnings.
134 if test x"$GCC" = x"yes"; then
135 CFLAGS="$CFLAGS -Wall -W"
139 AS_HELP_STRING([--with-rrsync],[also install the rrsync script and its man page]))
140 if test x"$with_rrsync" != x"yes"; then
144 MAKE_RRSYNC_1='rrsync.1'
146 AC_SUBST(with_rrsync)
148 AC_ARG_WITH(included-popt,
149 AS_HELP_STRING([--with-included-popt],[use bundled popt library, not from system]))
151 AC_ARG_WITH(included-zlib,
152 AS_HELP_STRING([--with-included-zlib],[use bundled zlib library, not from system]))
154 AC_ARG_WITH(protected-args,
155 AS_HELP_STRING([--with-protected-args],[make --protected-args option the default]))
156 if test x"$with_protected_args" = x"yes"; then
157 AC_DEFINE_UNQUOTED(RSYNC_USE_PROTECTED_ARGS, 1, [Define to 1 if --protected-args should be the default])
160 AC_ARG_WITH(rsync-path,
161 AS_HELP_STRING([--with-rsync-path=PATH],[set default --rsync-path to PATH (default: rsync)]),
162 [ RSYNC_PATH="$with_rsync_path" ],
163 [ RSYNC_PATH="rsync" ])
165 AC_DEFINE_UNQUOTED(RSYNC_PATH, "$RSYNC_PATH", [location of rsync on remote machine])
167 AC_ARG_WITH(rsyncd-conf,
168 AS_HELP_STRING([--with-rsyncd-conf=PATH],[set configuration file for rsync server to PATH (default: /etc/rsyncd.conf)]),
169 [ if test ! -z "$with_rsyncd_conf" ; then
170 case $with_rsyncd_conf in
172 RSYNCD_SYSCONF="/etc/rsyncd.conf"
175 RSYNCD_SYSCONF="$with_rsyncd_conf"
178 AC_MSG_ERROR(You must specify an absolute path to --with-rsyncd-conf=PATH)
182 RSYNCD_SYSCONF="/etc/rsyncd.conf"
184 [ RSYNCD_SYSCONF="/etc/rsyncd.conf" ])
186 AC_DEFINE_UNQUOTED(RSYNCD_SYSCONF, "$RSYNCD_SYSCONF", [location of configuration file for rsync server])
189 AS_HELP_STRING([--with-rsh=CMD],[set remote shell command to CMD (default: ssh)]))
191 AC_CHECK_PROG(HAVE_REMSH, remsh, 1, 0)
192 if test x$HAVE_REMSH = x1; then
193 AC_DEFINE(HAVE_REMSH, 1, [Define to 1 if remote shell is remsh, not rsh])
196 if test x"$with_rsh" != x; then
197 RSYNC_RSH="$with_rsh"
201 AC_DEFINE_UNQUOTED(RSYNC_RSH, "$RSYNC_RSH", [default -e command])
203 # Some programs on solaris are only found in /usr/xpg4/bin (or work better than others versions).
204 AC_PATH_PROG(SHELL_PATH, sh, /bin/sh, [/usr/xpg4/bin$PATH_SEPARATOR$PATH])
205 AC_PATH_PROG(FAKEROOT_PATH, fakeroot, /usr/bin/fakeroot, [/usr/xpg4/bin$PATH_SEPARATOR$PATH])
207 AC_ARG_WITH(nobody-user,
208 AS_HELP_STRING([--with-nobody-user=USER],[set the default unprivileged user (default nobody)]),
209 [ NOBODY_USER="$with_nobody_user" ],
210 [ NOBODY_USER="nobody" ])
212 AC_ARG_WITH(nobody-group,
213 AS_HELP_STRING([--with-nobody-group=GROUP],[set the default unprivileged group (default nobody or nogroup)]),
214 [ NOBODY_GROUP="$with_nobody_group" ])
216 if test x"$with_nobody_group" = x; then
217 AC_MSG_CHECKING([the group for user "nobody"])
218 if grep '^nobody:' /etc/group >/dev/null 2>&1; then
220 elif grep '^nogroup:' /etc/group >/dev/null 2>&1; then
223 NOBODY_GROUP=nobody # test for others?
225 AC_MSG_RESULT($NOBODY_GROUP)
228 AC_DEFINE_UNQUOTED(NOBODY_USER, "$NOBODY_USER", [unprivileged user--e.g. nobody])
229 AC_DEFINE_UNQUOTED(NOBODY_GROUP, "$NOBODY_GROUP", [unprivileged group for unprivileged user])
234 AC_MSG_CHECKING([whether to enable SIMD optimizations])
236 AS_HELP_STRING([--enable-simd],[enable/disable to control SIMD optimizations (requires c++)]))
238 # Clag is crashing with -g -O2, so we'll get rid of -g for now.
239 CXXFLAGS=`echo "$CXXFLAGS" | sed 's/-g //'`
240 m4_define(SIMD_X86_64_TEST, [[#include <stdio.h>
244 #include <immintrin.h>
245 __attribute__ ((target("default"))) int test_ssse3(int x) { return x; }
246 __attribute__ ((target("default"))) int test_sse2(int x) { return x; }
247 __attribute__ ((target("default"))) int test_avx2(int x) { return x; }
248 __attribute__ ((target("ssse3"))) int test_ssse3(int x) { return x; }
249 __attribute__ ((target("sse2"))) int test_sse2(int x) { return x; }
250 __attribute__ ((target("avx2"))) int test_avx2(int x) { return x; }
251 typedef long long __m128i_u __attribute__((__vector_size__(16), __may_alias__, __aligned__(1)));
252 typedef long long __m256i_u __attribute__((__vector_size__(32), __may_alias__, __aligned__(1)));
253 __attribute__ ((target("default"))) void more_testing(char* buf, int len) { }
254 __attribute__ ((target("ssse3"))) void more_testing(char* buf, int len)
257 for (i = 0; i < (len-32); i+=32) {
258 __m128i in8_1, in8_2;
259 in8_1 = _mm_lddqu_si128((__m128i_u*)&buf[i]);
260 in8_2 = _mm_lddqu_si128((__m128i_u*)&buf[i + 16]);
265 if test x"$enable_simd" = x""; then
272 if test x"$enable_simd" != x"no"; then
273 # For x86-64 SIMD, g++ >=5 or clang++ >=7 is required
274 if test x"$host_cpu" = x"x86_64" || test x"$host_cpu" = x"amd64"; then
276 if test x"$host" = x"$build"; then
277 AC_RUN_IFELSE([AC_LANG_PROGRAM([SIMD_X86_64_TEST],[[if (test_ssse3(42) != 42 || test_sse2(42) != 42 || test_avx2(42) != 42) exit(1);]])],
278 [CXX_OK=yes],[CXX_OK=no])
280 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([SIMD_X86_64_TEST])],[CXX_OK=yes],[CXX_OK=no])
283 if test x"$CXX_OK" = x"yes"; then
284 # AC_MSG_RESULT() is called below.
286 elif test x"$enable_simd" = x"yes"; then
288 AC_MSG_ERROR(The SIMD compilation test failed.
289 Omit --enable-simd to continue without it.)
291 elif test x"$enable_simd" = x"yes"; then
292 AC_MSG_RESULT(unavailable)
293 AC_MSG_ERROR(The SIMD optimizations are currently x86_64|amd64 only.
294 Omit --enable-simd to continue without it.)
298 if test x"$SIMD" != x""; then
299 AC_MSG_RESULT([yes ($SIMD)])
300 AC_DEFINE(HAVE_SIMD, 1, [Define to 1 to enable SIMD optimizations])
301 SIMD='$(SIMD_'"$SIMD)"
302 # We only use c++ for its target attribute dispatching, disable unneeded bulky features
303 CXXFLAGS="$CXXFLAGS -fno-exceptions -fno-rtti"
304 # Apple often has "g++" as a symlink for clang. Try to find out the truth.
305 CXX_VERSION=`$CXX --version 2>/dev/null | head -n 2`
306 case "$CXX_VERSION" in
307 *clang*) CXXFLAGS="$CXXFLAGS -fno-slp-vectorize" ;; # avoid a performance hit
315 AC_MSG_CHECKING([if assembler accepts noexecstack])
317 CFLAGS="$CFLAGS -Wa,--noexecstack"
318 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[return 0;]])],
319 [ NOEXECSTACK='-Wa,--noexecstack' ; AC_MSG_RESULT(yes) ],
320 [ NOEXECSTACK='' ; AC_MSG_RESULT(no) ])
322 AC_SUBST(NOEXECSTACK)
326 AC_MSG_CHECKING([whether to enable ASM optimizations])
328 AS_HELP_STRING([--enable-asm],[enable/disable to control ASM optimizations]))
330 if test x"$enable_asm" = x""; then
337 if test x"$enable_asm" != x"no"; then
338 if test x"$host_cpu" = x"x86_64" || test x"$host_cpu" = x"amd64"; then
340 elif test x"$enable_asm" = x"yes"; then
341 AC_MSG_RESULT(unavailable)
342 AC_MSG_ERROR(The ASM optimizations are currently x86_64|amd64 only.
343 Omit --enable-asm to continue without it.)
347 if test x"$ASM" != x""; then
348 AC_MSG_RESULT([yes ($ASM)])
349 AC_DEFINE(HAVE_ASM, 1, [Define to 1 to enable ASM optimizations])
357 # arrgh. libc in some old debian version screwed up the largefile
358 # stuff, getting byte range locking wrong
359 AC_CACHE_CHECK([for broken largefile support],rsync_cv_HAVE_BROKEN_LARGEFILE,[
360 AC_RUN_IFELSE([AC_LANG_SOURCE([[
361 #define _FILE_OFFSET_BITS 64
364 #ifdef HAVE_SYS_TYPES_H
365 #include <sys/types.h>
367 #include <sys/wait.h>
376 char tpl[32] = "/tmp/locktest.XXXXXX";
377 int fd = mkstemp(tpl);
379 strcpy(tpl, "conftest.dat");
380 fd = open(tpl, O_CREAT|O_RDWR, 0600);
383 lock.l_type = F_WRLCK;
384 lock.l_whence = SEEK_SET;
388 fcntl(fd,F_SETLK,&lock);
391 _exit(fcntl(fd,F_SETLK,&lock) == 0);
395 return WEXITSTATUS(status);
397 ]])],[rsync_cv_HAVE_BROKEN_LARGEFILE=yes],[rsync_cv_HAVE_BROKEN_LARGEFILE=no],[rsync_cv_HAVE_BROKEN_LARGEFILE=cross])])
398 if test x"$rsync_cv_HAVE_BROKEN_LARGEFILE" != x"yes"; then
402 AC_MSG_CHECKING([whether to enable ipv6])
404 AS_HELP_STRING([--disable-ipv6],[disable to omit ipv6 support]),
405 [ case "$enableval" in
409 *) AC_MSG_RESULT(yes)
410 AC_DEFINE(INET6, 1, [true if you have IPv6])
414 AC_TRY_RUN([ /* AF_INET6 avalable check */
416 #include <sys/types.h>
417 #include <sys/socket.h>
420 if (socket(AF_INET6, SOCK_STREAM, 0) < 0)
427 AC_DEFINE(INET6, 1, [true if you have IPv6]),
432 dnl Do you want to disable use of locale functions
433 AC_ARG_ENABLE([locale],
434 AS_HELP_STRING([--disable-locale],[disable to omit locale features]))
435 AH_TEMPLATE([CONFIG_LOCALE],
436 [Undefine if you do not want locale features. By default this is defined.])
437 if test x"$enable_locale" != x"no"; then
438 AC_DEFINE(CONFIG_LOCALE)
441 AC_MSG_CHECKING([whether to call shutdown on all sockets])
443 *cygwin* ) AC_MSG_RESULT(yes)
444 AC_DEFINE(SHUTDOWN_ALL_SOCKETS, 1,
445 [Define to 1 if sockets need to be shutdown])
447 * ) AC_MSG_RESULT(no);;
450 AC_MSG_CHECKING([whether to enable use of openssl crypto library])
451 AC_ARG_ENABLE([openssl],
452 AS_HELP_STRING([--disable-openssl],[disable to omit openssl crypto library]))
453 AH_TEMPLATE([USE_OPENSSL],
454 [Undefine if you do not want to use openssl crypto library. By default this is defined.])
455 if test x"$enable_openssl" != x"no"; then
456 if test x"$ac_cv_header_openssl_md4_h" = x"yes" && test x"$ac_cv_header_openssl_md5_h" = x"yes"; then
458 AC_SEARCH_LIBS(MD5_Init, crypto,
459 [AC_DEFINE(USE_OPENSSL)],
460 [err_msg="$err_msg$nl- Failed to find MD5_Init function in openssl crypto lib.";
461 no_lib="$no_lib openssl"])
464 err_msg="$err_msg$nl- Failed to find openssl/md4.h and openssl/md5.h for openssl crypto lib support."
465 no_lib="$no_lib openssl"
471 AC_MSG_CHECKING([whether to enable xxhash checksum support])
472 AC_ARG_ENABLE([xxhash],
473 AS_HELP_STRING([--disable-xxhash],[disable to omit xxhash checksums]))
474 AH_TEMPLATE([SUPPORT_XXHASH],
475 [Undefine if you do not want xxhash checksums. By default this is defined.])
476 if test x"$enable_xxhash" != x"no"; then
477 if test x"$ac_cv_header_xxhash_h" = x"yes"; then
479 AC_SEARCH_LIBS(XXH64_createState, xxhash,
480 [AC_DEFINE(SUPPORT_XXHASH)],
481 [err_msg="$err_msg$nl- Failed to find XXH64_createState function in xxhash lib.";
482 no_lib="$no_lib xxhash"])
485 err_msg="$err_msg$nl- Failed to find xxhash.h for xxhash checksum support.";
486 no_lib="$no_lib xxhash"
492 AC_MSG_CHECKING([whether to enable zstd compression])
493 AC_ARG_ENABLE([zstd],
494 AC_HELP_STRING([--disable-zstd], [disable to omit zstd compression]))
495 AH_TEMPLATE([SUPPORT_ZSTD],
496 [Undefine if you do not want zstd compression. By default this is defined.])
497 if test x"$enable_zstd" != x"no"; then
498 if test x"$ac_cv_header_zstd_h" = x"yes"; then
500 AC_SEARCH_LIBS(ZSTD_minCLevel, zstd,
501 [AC_DEFINE(SUPPORT_ZSTD)],
502 [err_msg="$err_msg$nl- Failed to find ZSTD_minCLevel function in zstd lib.";
503 no_lib="$no_lib zstd"])
506 err_msg="$err_msg$nl- Failed to find zstd.h for zstd compression support.";
507 no_lib="$no_lib zstd"
513 AC_MSG_CHECKING([whether to enable LZ4 compression])
515 AC_HELP_STRING([--disable-lz4], [disable to omit LZ4 compression]))
516 AH_TEMPLATE([SUPPORT_LZ4],
517 [Undefine if you do not want LZ4 compression. By default this is defined.])
518 if test x"$enable_lz4" != x"no"; then
519 if test x"$ac_cv_header_lz4_h" = x"yes"; then
521 AC_SEARCH_LIBS(LZ4_compress_default, lz4,
522 [AC_DEFINE(SUPPORT_LZ4)],
523 [err_msg="$err_msg$nl- Failed to find LZ4_compress_default function in lz4 lib.";
524 no_lib="$no_lib lz4"])
527 err_msg="$err_msg$nl- Failed to find lz4.h for lz4 compression support."
534 if test x"$no_lib" != x; then
536 echo "Configure found the following issues:"
539 echo "See the INSTALL file for hints on how to install the missing libraries and/or"
540 echo "how to generate (or fetch) man pages:"
541 echo " https://github.com/WayneD/rsync/blob/master/INSTALL.md"
543 echo "To disable one or more features, the relevant configure options are:"
544 for lib in $no_lib; do
545 echo " --disable-$lib"
548 AC_MSG_ERROR(Aborting configure run)
551 AC_CACHE_CHECK([if makedev takes 3 args],rsync_cv_MAKEDEV_TAKES_3_ARGS,[
552 AC_RUN_IFELSE([AC_LANG_SOURCE([[
553 #ifdef HAVE_SYS_TYPES_H
554 #include <sys/types.h>
556 #ifdef MAJOR_IN_MKDEV
557 #include <sys/mkdev.h>
558 # if !defined makedev && (defined mkdev || defined _WIN32 || defined __WIN32__)
559 # define makedev mkdev
561 #elif defined MAJOR_IN_SYSMACROS
562 #include <sys/sysmacros.h>
567 dev_t dev = makedev(0, 5, 7);
568 if (major(dev) != 5 || minor(dev) != 7)
572 ]])],[rsync_cv_MAKEDEV_TAKES_3_ARGS=yes],[rsync_cv_MAKEDEV_TAKES_3_ARGS=no],[rsync_cv_MAKEDEV_TAKES_3_ARGS=no])])
573 if test x"$rsync_cv_MAKEDEV_TAKES_3_ARGS" = x"yes"; then
574 AC_DEFINE(MAKEDEV_TAKES_3_ARGS, 1, [Define to 1 if makedev() takes 3 args])
578 AC_CHECK_SIZEOF(long)
579 AC_CHECK_SIZEOF(long long)
580 AC_CHECK_SIZEOF(short)
581 AC_CHECK_SIZEOF(int16_t)
582 AC_CHECK_SIZEOF(uint16_t)
583 AC_CHECK_SIZEOF(int32_t)
584 AC_CHECK_SIZEOF(uint32_t)
585 AC_CHECK_SIZEOF(int64_t)
586 AC_CHECK_SIZEOF(off_t)
587 AC_CHECK_SIZEOF(off64_t)
588 AC_CHECK_SIZEOF(time_t)
589 AC_CHECK_SIZEOF(char*)
593 AC_TYPE_LONG_DOUBLE_WIDER
594 ac_cv_c_long_double=$ac_cv_type_long_double_wider
595 if test $ac_cv_c_long_double = yes; then
596 AC_DEFINE([HAVE_LONG_DOUBLE],[1],[Define to 1 if the type `long double' works and has more range or precision than `double'.])
600 AC_CHECK_TYPES([mode_t,off_t,size_t,pid_t,id_t])
602 AC_CHECK_MEMBERS([struct stat.st_rdev,
603 struct stat.st_mtimensec,
604 struct stat.st_mtimespec.tv_nsec,
605 struct stat.st_mtim.tv_nsec],,,[
606 #ifdef HAVE_SYS_TYPES_H
607 #include <sys/types.h>
609 #ifdef HAVE_SYS_STAT_H
610 #include <sys/stat.h>
618 AC_CACHE_CHECK([for errno in errno.h],rsync_cv_errno, [
619 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <errno.h>]], [[int i = errno]])],[rsync_cv_errno=yes],[rsync_cv_have_errno_decl=no])])
620 if test x"$rsync_cv_errno" = x"yes"; then
621 AC_DEFINE(HAVE_ERRNO_DECL, 1, [Define to 1 if errno is declared in errno.h])
624 # The following test taken from the cvs sources
625 # If we can't find connect, try looking in -lsocket, -lnsl, and -linet.
626 # These need checks to be before checks for any other functions that
627 # might be in the same libraries.
628 # The Irix 5 libc.so has connect and gethostbyname, but Irix 5 also has
629 # libsocket.so which has a bad implementation of gethostbyname (it
630 # only looks in /etc/hosts), so we only look for -lsocket if we need
632 AC_CHECK_FUNCS(connect)
633 if test x"$ac_cv_func_connect" = x"no"; then
636 *) AC_CHECK_LIB(nsl_s, printf) ;;
640 *) AC_CHECK_LIB(nsl, printf) ;;
644 *) AC_CHECK_LIB(socket, connect) ;;
648 *) AC_CHECK_LIB(inet, connect) ;;
650 dnl We can't just call AC_CHECK_FUNCS(connect) here, because the value
652 if test x"$ac_cv_lib_socket_connect" = x"yes" ||
653 test x"$ac_cv_lib_inet_connect" = x"yes"; then
654 # ac_cv_func_connect=yes
655 # don't! it would cause AC_CHECK_FUNC to succeed next time configure is run
656 AC_DEFINE(HAVE_CONNECT, 1, [Define to 1 if you have the "connect" function])
660 AC_SEARCH_LIBS(inet_ntop, resolv)
662 # For OS X, Solaris, HP-UX, etc.: figure out if -liconv is needed. We'll
663 # accept either iconv_open or libiconv_open, since some include files map
664 # the former to the latter.
665 AC_SEARCH_LIBS(iconv_open, iconv)
666 AC_SEARCH_LIBS(libiconv_open, iconv)
668 AC_MSG_CHECKING([for iconv declaration])
669 AC_CACHE_VAL(am_cv_proto_iconv, [
670 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
679 #if defined(__STDC__) || defined(__cplusplus)
680 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
684 ]], [[]])],[am_cv_proto_iconv_arg1=""],[am_cv_proto_iconv_arg1="const"])
685 am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"])
686 am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed 's/( /(/'`
687 AC_MSG_RESULT([$]{ac_t:-
688 }[$]am_cv_proto_iconv)
689 AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1,
690 [Define as const if the declaration of iconv() needs const.])
692 dnl AC_MSG_NOTICE([Looking in libraries: $LIBS])
694 AC_REPLACE_FUNCS([inet_ntop inet_pton])
696 AC_HAVE_TYPE([struct addrinfo], [#include <netdb.h>])
697 AC_HAVE_TYPE([struct sockaddr_storage], [
698 #ifdef HAVE_SYS_TYPES_H
699 #include <sys/types.h>
701 #ifdef HAVE_SYS_SOCKET_H
702 #include <sys/socket.h>
705 # Irix 6.5 has getaddrinfo but not the corresponding defines, so use
706 # builtin getaddrinfo if one of the defines don't exist
707 AC_CACHE_CHECK([whether defines needed by getaddrinfo exist],
708 rsync_cv_HAVE_GETADDR_DEFINES,[
710 #ifdef HAVE_SYS_TYPES_H
711 #include <sys/types.h>
713 #ifdef HAVE_SYS_SOCKET_H
714 #include <sys/socket.h>
722 rsync_cv_HAVE_GETADDR_DEFINES=yes,
723 rsync_cv_HAVE_GETADDR_DEFINES=no)])
724 AS_IF([test x"$rsync_cv_HAVE_GETADDR_DEFINES" = x"yes" && test x"$ac_cv_type_struct_addrinfo" = x"yes"],[
725 # Tru64 UNIX has getaddrinfo() but has it renamed in libc as
726 # something else so we must include <netdb.h> to get the
728 AC_CHECK_FUNCS(getaddrinfo, ,
729 [AC_MSG_CHECKING([for getaddrinfo by including <netdb.h>])
730 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
731 #ifdef HAVE_SYS_TYPES_H
732 #include <sys/types.h>
734 #ifdef HAVE_SYS_SOCKET_H
735 #include <sys/socket.h>
737 #include <netdb.h>]], [[getaddrinfo(NULL, NULL, NULL, NULL);]])],[AC_MSG_RESULT([yes])
738 AC_DEFINE(HAVE_GETADDRINFO, 1,
739 [Define to 1 if you have the "getaddrinfo" function and required types.])],[AC_MSG_RESULT([no])
740 AC_LIBOBJ([getaddrinfo])])])
741 ],[AC_LIBOBJ([getaddrinfo])])
743 AC_CHECK_MEMBER([struct sockaddr.sa_len],
744 [ AC_DEFINE(HAVE_SOCKADDR_LEN, 1, [Do we have sockaddr.sa_len?]) ],
747 #ifdef HAVE_SYS_TYPES_H
748 #include <sys/types.h>
750 #ifdef HAVE_SYS_SOCKET_H
751 #include <sys/socket.h>
755 AC_CHECK_MEMBER([struct sockaddr_in.sin_len],
756 [ AC_DEFINE(HAVE_SOCKADDR_IN_LEN, 1, [Do we have sockaddr_in.sin_len?]) ],
759 #ifdef HAVE_SYS_TYPES_H
760 #include <sys/types.h>
762 #ifdef HAVE_SYS_SOCKET_H
763 #include <sys/socket.h>
765 #include <netinet/in.h>
768 AC_CHECK_MEMBER([struct sockaddr_un.sun_len],
769 [ AC_DEFINE(HAVE_SOCKADDR_UN_LEN, 1, [Do we have sockaddr_un.sun_len?]) ],
772 #ifdef HAVE_SYS_TYPES_H
773 #include <sys/types.h>
775 #ifdef HAVE_SYS_SOCKET_H
776 #include <sys/socket.h>
778 #include <netinet/in.h>
781 AC_CHECK_MEMBER([struct sockaddr_in6.sin6_scope_id],
782 [ AC_DEFINE(HAVE_SOCKADDR_IN6_SCOPE_ID, 1, [Do we have sockaddr_in6.sin6_scope_id?]) ],
785 #ifdef HAVE_SYS_TYPES_H
786 #include <sys/types.h>
788 #ifdef HAVE_SYS_SOCKET_H
789 #include <sys/socket.h>
791 #include <netinet/in.h>
794 AC_HAVE_TYPE([struct stat64], [#include <stdio.h>
796 # include <sys/types.h>
799 # include <sys/stat.h>
811 # if we can't find strcasecmp, look in -lresolv (for Unixware at least)
813 AC_CHECK_FUNCS(strcasecmp)
814 if test x"$ac_cv_func_strcasecmp" = x"no"; then
815 AC_CHECK_LIB(resolv, strcasecmp)
818 AC_CHECK_FUNCS(aclsort)
819 if test x"$ac_cv_func_aclsort" = x"no"; then
820 AC_CHECK_LIB(sec, aclsort)
823 dnl At the moment we don't test for a broken memcmp(), because all we
824 dnl need to do is test for equality, not comparison, and it seems that
825 dnl every platform has a memcmp that can do at least that.
830 AC_CHECK_FUNCS(waitpid wait4 getcwd chown chmod lchmod mknod mkfifo \
831 fchmod fstat ftruncate strchr readlink link utime utimes lutimes strftime \
832 chflags getattrlist mktime innetgr linkat \
833 memmove lchown vsnprintf snprintf vasprintf asprintf setsid strpbrk \
834 strlcat strlcpy strtol mallinfo mallinfo2 getgroups setgroups geteuid getegid \
835 setlocale setmode open64 lseek64 mkstemp64 mtrace va_copy __va_copy \
836 seteuid strerror putenv iconv_open locale_charset nl_langinfo getxattr \
837 extattr_get_link sigaction sigprocmask setattrlist getgrouplist \
838 initgroups utimensat posix_fallocate attropen setvbuf nanosleep usleep \
841 dnl cygwin iconv.h defines iconv_open as libiconv_open
842 if test x"$ac_cv_func_iconv_open" != x"yes"; then
843 AC_CHECK_FUNC(libiconv_open, [ac_cv_func_iconv_open=yes; AC_DEFINE(HAVE_ICONV_OPEN, 1)])
846 dnl Preallocation stuff (also fallocate, posix_fallocate function tests above):
848 AC_CACHE_CHECK([for useable fallocate],rsync_cv_have_fallocate,[
849 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <fcntl.h>
850 #ifdef HAVE_SYS_TYPES_H
851 #include <sys/types.h>
852 #endif]], [[fallocate(0, 0, 0, 0);]])],[rsync_cv_have_fallocate=yes],[rsync_cv_have_fallocate=no])])
853 if test x"$rsync_cv_have_fallocate" = x"yes"; then
854 AC_DEFINE(HAVE_FALLOCATE, 1, [Define to 1 if you have the fallocate function and it compiles and links without error])
857 AC_MSG_CHECKING([for FALLOC_FL_PUNCH_HOLE])
858 AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
859 #define _GNU_SOURCE 1
860 #include <linux/falloc.h>
861 #ifndef FALLOC_FL_PUNCH_HOLE
862 #error FALLOC_FL_PUNCH_HOLE is missing
866 AC_DEFINE([HAVE_FALLOC_FL_PUNCH_HOLE], [1], [Define if FALLOC_FL_PUNCH_HOLE is available.])
872 AC_MSG_CHECKING([for FALLOC_FL_ZERO_RANGE])
873 AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
874 #define _GNU_SOURCE 1
875 #include <linux/falloc.h>
876 #ifndef FALLOC_FL_ZERO_RANGE
877 #error FALLOC_FL_ZERO_RANGE is missing
881 AC_DEFINE([HAVE_FALLOC_FL_ZERO_RANGE], [1], [Define if FALLOC_FL_ZERO_RANGE is available.])
887 AC_CACHE_CHECK([for SYS_fallocate],rsync_cv_have_sys_fallocate,[
888 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/syscall.h>
892 #ifdef HAVE_SYS_TYPES_H
893 #include <sys/types.h>
894 #endif]], [[syscall(SYS_fallocate, 0, 0, (loff_t)0, (loff_t)0);]])],[rsync_cv_have_sys_fallocate=yes],[rsync_cv_have_sys_fallocate=no])])
895 if test x"$rsync_cv_have_sys_fallocate" = x"yes"; then
896 AC_DEFINE(HAVE_SYS_FALLOCATE, 1, [Define to 1 if you have the SYS_fallocate syscall number])
899 if test x"$ac_cv_func_posix_fallocate" = x"yes"; then
900 AC_MSG_CHECKING([whether posix_fallocate is efficient])
904 AC_DEFINE(HAVE_EFFICIENT_POSIX_FALLOCATE, 1,
905 [Define if posix_fallocate is efficient (Cygwin)])
913 dnl End of preallocation stuff
915 AC_CHECK_FUNCS(getpgrp tcgetpgrp)
916 if test $ac_cv_func_getpgrp = yes; then
920 AC_ARG_ENABLE(iconv-open,
921 AS_HELP_STRING([--disable-iconv-open],[disable to avoid all use of iconv_open()]),
922 [], [enable_iconv_open=$ac_cv_func_iconv_open])
924 if test x"$enable_iconv_open" != x"no"; then
925 AC_DEFINE(USE_ICONV_OPEN, 1, [Define to 1 if you want rsync to make use of iconv_open()])
929 AS_HELP_STRING([--disable-iconv],[disable to omit the --iconv option]),
930 [], [enable_iconv=$enable_iconv_open])
931 AH_TEMPLATE([ICONV_OPTION],
932 [Define if you want the --iconv option. Specifying a value will set the
933 default iconv setting (a NULL means no --iconv processing by default).])
934 if test x"$enable_iconv" != x"no"; then
935 if test x"$enable_iconv" = x"yes"; then
936 AC_DEFINE(ICONV_OPTION, NULL)
938 AC_DEFINE_UNQUOTED(ICONV_OPTION, "$enable_iconv")
940 AC_DEFINE(UTF8_CHARSET, "UTF-8", [String to pass to iconv() for the UTF-8 charset.])
943 AC_CACHE_CHECK([whether chown() modifies symlinks],rsync_cv_chown_modifies_symlink,[
944 AC_RUN_IFELSE([AC_LANG_SOURCE([[
951 char const *dangling_symlink = "conftest.dangle";
952 unlink(dangling_symlink);
953 if (symlink("conftest.no-such", dangling_symlink) < 0) abort();
954 if (chown(dangling_symlink, getuid(), getgid()) < 0 && errno == ENOENT) return 1;
956 }]])],[rsync_cv_chown_modifies_symlink=yes],[rsync_cv_chown_modifies_symlink=no],[rsync_cv_chown_modifies_symlink=no])])
957 if test $rsync_cv_chown_modifies_symlink = yes; then
958 AC_DEFINE(CHOWN_MODIFIES_SYMLINK, 1, [Define to 1 if chown modifies symlinks.])
961 AC_CACHE_CHECK([whether link() can hard-link symlinks],rsync_cv_can_hardlink_symlink,[
962 AC_RUN_IFELSE([AC_LANG_SOURCE([[
965 #elif defined HAVE_SYS_FCNTL_H
966 # include <sys/fcntl.h>
973 #define FILENAME "conftest.dangle"
976 if (symlink("conftest.no-such", FILENAME) < 0) abort();
977 unlink(FILENAME "2");
979 if (linkat(AT_FDCWD, FILENAME, AT_FDCWD, FILENAME "2", 0) < 0) return 1;
981 if (link(FILENAME, FILENAME "2") < 0) return 1;
984 }]])],[rsync_cv_can_hardlink_symlink=yes],[rsync_cv_can_hardlink_symlink=no],[rsync_cv_can_hardlink_symlink=no])])
985 if test $rsync_cv_can_hardlink_symlink = yes; then
986 AC_DEFINE(CAN_HARDLINK_SYMLINK, 1, [Define to 1 if link() can hard-link symlinks.])
989 AC_CACHE_CHECK([whether link() can hard-link special files],rsync_cv_can_hardlink_special,[
990 AC_RUN_IFELSE([AC_LANG_SOURCE([[
994 #ifdef HAVE_SYS_STAT_H
995 #include <sys/stat.h>
999 #define FILENAME "conftest.fifi"
1002 if (mkfifo(FILENAME, 0777) < 0) abort();
1003 unlink(FILENAME "2");
1004 if (link(FILENAME, FILENAME "2") < 0) return 1;
1006 }]])],[rsync_cv_can_hardlink_special=yes],[rsync_cv_can_hardlink_special=no],[rsync_cv_can_hardlink_special=no])])
1007 if test $rsync_cv_can_hardlink_special = yes; then
1008 AC_DEFINE(CAN_HARDLINK_SPECIAL, 1, [Define to 1 if link() can hard-link special files.])
1011 AC_CACHE_CHECK([for working socketpair],rsync_cv_HAVE_SOCKETPAIR,[
1012 AC_RUN_IFELSE([AC_LANG_SOURCE([[
1013 #ifdef HAVE_SYS_TYPES_H
1014 #include <sys/types.h>
1016 #ifdef HAVE_SYS_SOCKET_H
1017 #include <sys/socket.h>
1022 return (socketpair(AF_UNIX, SOCK_STREAM, 0, fd) != -1) ? 0 : 1;
1023 }]])],[rsync_cv_HAVE_SOCKETPAIR=yes],[rsync_cv_HAVE_SOCKETPAIR=no],[rsync_cv_HAVE_SOCKETPAIR=cross])])
1024 if test x"$rsync_cv_HAVE_SOCKETPAIR" = x"yes"; then
1025 AC_DEFINE(HAVE_SOCKETPAIR, 1, [Define to 1 if you have the "socketpair" function])
1028 AC_REPLACE_FUNCS([getpass])
1030 if test x"$with_included_popt" != x"yes"; then
1031 AC_CHECK_LIB(popt, poptGetContext, , [with_included_popt=yes])
1033 if test x"$ac_cv_header_popt_popt_h" = x"yes"; then
1034 # If the system has /usr/include/popt/popt.h, we enable the
1035 # included popt because an attempt to "#include <popt/popt.h>"
1036 # would use our included header file anyway (due to -I.), and
1037 # might conflict with the system popt.
1038 with_included_popt=yes
1039 elif test x"$ac_cv_header_popt_h" != x"yes"; then
1040 with_included_popt=yes
1043 if test x"$GCC" = x"yes"; then
1044 if test x"$with_included_popt" != x"yes"; then
1045 # Turn pedantic warnings into errors to ensure an array-init overflow is an error.
1046 CFLAGS="$CFLAGS -pedantic-errors"
1048 # Our internal popt code cannot be compiled with pedantic warnings as errors, so try to
1049 # turn off pedantic warnings (which will not lose the error for array-init overflow).
1050 # Older gcc versions don't understand -Wno-pedantic, so check if --help=warnings lists
1051 # -Wpedantic and use that as a flag.
1052 case `$CC --help=warnings 2>/dev/null | grep Wpedantic` in
1053 *-Wpedantic*) CFLAGS="$CFLAGS -pedantic-errors -Wno-pedantic" ;;
1058 AC_MSG_CHECKING([whether to use included libpopt])
1059 if test x"$with_included_popt" = x"yes"; then
1060 AC_MSG_RESULT($srcdir/popt)
1061 BUILD_POPT='$(popt_OBJS)'
1062 CFLAGS="-I$srcdir/popt $CFLAGS"
1063 if test x"$ALLOCA" != x
1065 # this can be removed when/if we add an included alloca.c;
1066 # see autoconf documentation on AC_FUNC_ALLOCA
1067 AC_MSG_WARN([included libpopt will use malloc, not alloca (which wastes a small amount of memory)])
1073 # We default to using our zlib unless --with-included-zlib=no is given.
1074 if test x"$with_included_zlib" != x"no"; then
1075 with_included_zlib=yes
1076 elif test x"$ac_cv_header_zlib_h" != x"yes"; then
1077 with_included_zlib=yes
1079 if test x"$with_included_zlib" != x"yes"; then
1080 AC_CHECK_LIB(z, deflateParams, , [with_included_zlib=yes])
1083 AC_MSG_CHECKING([whether to use included zlib])
1084 if test x"$with_included_zlib" = x"yes"; then
1085 AC_MSG_RESULT($srcdir/zlib)
1086 BUILD_ZLIB='$(zlib_OBJS)'
1087 CFLAGS="-I$srcdir/zlib $CFLAGS"
1089 AC_DEFINE(EXTERNAL_ZLIB, 1, [Define to 1 if using external zlib])
1093 AC_CACHE_CHECK([for unsigned char],rsync_cv_SIGNED_CHAR_OK,[
1094 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[signed char *s = ""]])],[rsync_cv_SIGNED_CHAR_OK=yes],[rsync_cv_SIGNED_CHAR_OK=no])])
1095 if test x"$rsync_cv_SIGNED_CHAR_OK" = x"yes"; then
1096 AC_DEFINE(SIGNED_CHAR_OK, 1, [Define to 1 if "signed char" is a valid type])
1099 AC_CACHE_CHECK([for broken readdir],rsync_cv_HAVE_BROKEN_READDIR,[
1100 AC_RUN_IFELSE([AC_LANG_SOURCE([[
1101 #ifdef HAVE_SYS_TYPES_H
1102 #include <sys/types.h>
1105 int main(void) { struct dirent *di; DIR *d = opendir("."); di = readdir(d);
1106 if (di && di->d_name[-2] == '.' && di->d_name[-1] == 0 &&
1107 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])])
1108 if test x"$rsync_cv_HAVE_BROKEN_READDIR" = x"yes"; then
1109 AC_DEFINE(HAVE_BROKEN_READDIR, 1, [Define to 1 if readdir() is broken])
1112 AC_CACHE_CHECK([for utimbuf],rsync_cv_HAVE_STRUCT_UTIMBUF,[
1113 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1114 #ifdef HAVE_SYS_TYPES_H
1115 #include <sys/types.h>
1117 #include <utime.h>]], [[struct utimbuf tbuf; tbuf.actime = 0; tbuf.modtime = 1; return utime("foo.c",&tbuf);]])],[rsync_cv_HAVE_STRUCT_UTIMBUF=yes],[rsync_cv_HAVE_STRUCT_UTIMBUF=no])])
1118 if test x"$rsync_cv_HAVE_STRUCT_UTIMBUF" = x"yes"; then
1119 AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if you have the "struct utimbuf" type])
1122 AC_CACHE_CHECK([if gettimeofday takes tz argument],rsync_cv_HAVE_GETTIMEOFDAY_TZ,[
1123 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/time.h>
1124 #ifdef HAVE_UNISTD_H
1126 #endif]], [[struct timeval tv; return gettimeofday(&tv, NULL);]])],[rsync_cv_HAVE_GETTIMEOFDAY_TZ=yes],[rsync_cv_HAVE_GETTIMEOFDAY_TZ=no])])
1127 if test x"$rsync_cv_HAVE_GETTIMEOFDAY_TZ" != x"no"; then
1128 AC_DEFINE(HAVE_GETTIMEOFDAY_TZ, 1, [Define to 1 if gettimeofday() takes a time-zone arg])
1131 AC_CACHE_CHECK([for C99 vsnprintf],rsync_cv_HAVE_C99_VSNPRINTF,[
1132 AC_RUN_IFELSE([AC_LANG_SOURCE([[
1133 #ifdef HAVE_SYS_TYPES_H
1134 #include <sys/types.h>
1142 void foo(const char *format, ...) {
1145 static char buf[] = "12345678901234567890";
1147 va_start(ap, format);
1148 len = vsnprintf(0, 0, format, ap);
1150 if (len != 5) exit(1);
1152 if (snprintf(buf, 3, "hello") != 5 || strcmp(buf, "he") != 0) exit(1);
1154 int main(void) { foo("hello"); return 0; }
1155 ]])],[rsync_cv_HAVE_C99_VSNPRINTF=yes],[rsync_cv_HAVE_C99_VSNPRINTF=no],[rsync_cv_HAVE_C99_VSNPRINTF=cross])])
1156 if test x"$rsync_cv_HAVE_C99_VSNPRINTF" = x"yes"; then
1157 AC_DEFINE(HAVE_C99_VSNPRINTF, 1, [Define to 1 if vsprintf has a C99-compatible return value])
1161 AC_CACHE_CHECK([for secure mkstemp],rsync_cv_HAVE_SECURE_MKSTEMP,[
1162 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdlib.h>
1163 #ifdef HAVE_SYS_TYPES_H
1164 #include <sys/types.h>
1166 #include <sys/stat.h>
1167 #ifdef HAVE_UNISTD_H
1172 char tpl[20]="/tmp/test.XXXXXX";
1173 int fd = mkstemp(tpl);
1174 if (fd == -1) return 1;
1176 if (fstat(fd, &st) != 0) return 1;
1177 if ((st.st_mode & 0777) != 0600) return 1;
1179 }]])],[rsync_cv_HAVE_SECURE_MKSTEMP=yes],[rsync_cv_HAVE_SECURE_MKSTEMP=no],[rsync_cv_HAVE_SECURE_MKSTEMP=cross])])
1180 if test x"$rsync_cv_HAVE_SECURE_MKSTEMP" = x"yes"; then
1183 dnl HP-UX has a broken mkstemp() implementation they refuse to fix,
1184 dnl so we noisily skip using it. See HP change request JAGaf34426
1185 dnl for details. (sbonds)
1186 AC_MSG_WARN(Skipping broken HP-UX mkstemp() -- using mktemp() instead)
1189 AC_DEFINE(HAVE_SECURE_MKSTEMP, 1, [Define to 1 if mkstemp() is available and works right])
1195 AC_CACHE_CHECK([if mknod creates FIFOs],rsync_cv_MKNOD_CREATES_FIFOS,[
1196 AC_RUN_IFELSE([AC_LANG_SOURCE([[
1198 #include <sys/stat.h>
1201 # include <unistd.h>
1203 int main(void) { int rc, ec; char *fn = "fifo-test";
1204 unlink(fn); rc = mknod(fn,S_IFIFO,0600); ec = errno; unlink(fn);
1205 if (rc) {printf("(%d %d) ",rc,ec); return ec;}
1206 return 0;}]])],[rsync_cv_MKNOD_CREATES_FIFOS=yes],[rsync_cv_MKNOD_CREATES_FIFOS=no],[rsync_cv_MKNOD_CREATES_FIFOS=cross])])
1207 if test x"$rsync_cv_MKNOD_CREATES_FIFOS" = x"yes"; then
1208 AC_DEFINE(MKNOD_CREATES_FIFOS, 1, [Define to 1 if mknod() can create FIFOs.])
1211 AC_CACHE_CHECK([if mknod creates sockets],rsync_cv_MKNOD_CREATES_SOCKETS,[
1212 AC_RUN_IFELSE([AC_LANG_SOURCE([[
1214 #include <sys/stat.h>
1217 # include <unistd.h>
1219 int main(void) { int rc, ec; char *fn = "sock-test";
1220 unlink(fn); rc = mknod(fn,S_IFSOCK,0600); ec = errno; unlink(fn);
1221 if (rc) {printf("(%d %d) ",rc,ec); return ec;}
1222 return 0;}]])],[rsync_cv_MKNOD_CREATES_SOCKETS=yes],[rsync_cv_MKNOD_CREATES_SOCKETS=no],[rsync_cv_MKNOD_CREATES_SOCKETS=cross])])
1223 if test x"$rsync_cv_MKNOD_CREATES_SOCKETS" = x"yes"; then
1224 AC_DEFINE(MKNOD_CREATES_SOCKETS, 1, [Define to 1 if mknod() can create sockets.])
1228 # The following test was mostly taken from the tcl/tk plus patches
1230 AC_CACHE_CHECK([whether -c -o works],rsync_cv_DASHC_WORKS_WITH_DASHO,[
1232 cat > conftest.$ac_ext <<EOF
1233 int main(void) { return 0; }
1235 ${CC-cc} -c -o conftest..o conftest.$ac_ext
1236 if test -f conftest..o; then
1237 rsync_cv_DASHC_WORKS_WITH_DASHO=yes
1239 rsync_cv_DASHC_WORKS_WITH_DASHO=no
1243 if test x"$rsync_cv_DASHC_WORKS_WITH_DASHO" = x"yes"; then
1246 CC_SHOBJ_FLAG='-o $@'
1248 OBJ_SAVE=' @b=`basename $@ .o`;rm -f $$b.o.sav;if test -f $$b.o; then mv $$b.o $$b.o.sav;fi;'
1249 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'
1254 AC_SUBST(OBJ_RESTORE)
1255 AC_SUBST(CC_SHOBJ_FLAG)
1256 AC_SUBST(BUILD_POPT)
1257 AC_SUBST(BUILD_ZLIB)
1258 AC_SUBST(MAKE_RRSYNC)
1259 AC_SUBST(MAKE_RRSYNC_1)
1262 AC_CHECK_FUNCS(_acl __acl _facl __facl)
1263 #################################################
1264 # check for ACL support
1266 AC_MSG_CHECKING([whether to support ACLs])
1267 AC_ARG_ENABLE(acl-support,
1268 AS_HELP_STRING([--disable-acl-support],[disable to omit ACL support]))
1270 if test x"$enable_acl_support" = x"no"; then
1275 AC_MSG_RESULT(Using UnixWare ACLs)
1276 AC_DEFINE(HAVE_UNIXWARE_ACLS, 1, [true if you have UnixWare ACLs])
1277 AC_DEFINE(SUPPORT_ACLS, 1, [Define to 1 to add support for ACLs])
1280 AC_MSG_RESULT(Using solaris ACLs)
1281 AC_DEFINE(HAVE_SOLARIS_ACLS, 1, [true if you have solaris ACLs])
1282 AC_DEFINE(SUPPORT_ACLS, 1)
1285 AC_MSG_RESULT(Using IRIX ACLs)
1286 AC_DEFINE(HAVE_IRIX_ACLS, 1, [true if you have IRIX ACLs])
1287 AC_DEFINE(SUPPORT_ACLS, 1)
1290 AC_MSG_RESULT(Using AIX ACLs)
1291 AC_DEFINE(HAVE_AIX_ACLS, 1, [true if you have AIX ACLs])
1292 AC_DEFINE(SUPPORT_ACLS, 1)
1295 AC_MSG_RESULT(Using Tru64 ACLs)
1296 AC_DEFINE(HAVE_TRU64_ACLS, 1, [true if you have Tru64 ACLs])
1297 AC_DEFINE(SUPPORT_ACLS, 1)
1301 AC_MSG_RESULT(Using OS X ACLs)
1302 AC_DEFINE(HAVE_OSX_ACLS, 1, [true if you have Mac OS X ACLs])
1303 AC_DEFINE(SUPPORT_ACLS, 1)
1306 AC_MSG_RESULT(Using HPUX ACLs)
1307 AC_DEFINE(HAVE_HPUX_ACLS, 1, [true if you have HPUX ACLs])
1308 AC_DEFINE(SUPPORT_ACLS, 1)
1311 AC_MSG_RESULT(running tests:)
1312 AC_CHECK_LIB(acl,acl_get_file)
1313 AC_CACHE_CHECK([for ACL support],samba_cv_HAVE_POSIX_ACLS,[
1314 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1315 #ifdef HAVE_SYS_TYPES_H
1316 #include <sys/types.h>
1318 #ifdef HAVE_SYS_ACL_H
1319 #include <sys/acl.h>
1320 #endif]], [[ acl_t acl; int entry_id; acl_entry_t *entry_p; return acl_get_entry( acl, entry_id, entry_p);]])],[samba_cv_HAVE_POSIX_ACLS=yes],[samba_cv_HAVE_POSIX_ACLS=no])])
1321 AC_MSG_CHECKING(ACL test results)
1322 if test x"$samba_cv_HAVE_POSIX_ACLS" = x"yes"; then
1323 AC_MSG_RESULT(Using posix ACLs)
1324 AC_DEFINE(HAVE_POSIX_ACLS, 1, [true if you have posix ACLs])
1325 AC_DEFINE(SUPPORT_ACLS, 1)
1326 AC_CACHE_CHECK([for acl_get_perm_np],samba_cv_HAVE_ACL_GET_PERM_NP,[
1327 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1328 #ifdef HAVE_SYS_TYPES_H
1329 #include <sys/types.h>
1331 #ifdef HAVE_SYS_ACL_H
1332 #include <sys/acl.h>
1333 #endif]], [[ 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])])
1334 if test x"$samba_cv_HAVE_ACL_GET_PERM_NP" = x"yes"; then
1335 AC_DEFINE(HAVE_ACL_GET_PERM_NP, 1, [true if you have acl_get_perm_np])
1338 if test x"$enable_acl_support" = x"yes"; then
1339 AC_MSG_ERROR(Failed to find ACL support)
1341 AC_MSG_RESULT(No ACL support found)
1348 #################################################
1349 # check for extended attribute support
1350 AC_MSG_CHECKING(whether to support extended attributes)
1351 AC_ARG_ENABLE(xattr-support,
1352 AS_HELP_STRING([--disable-xattr-support],[disable to omit extended attributes]),
1353 [], [case "$ac_cv_func_getxattr$ac_cv_func_extattr_get_link$ac_cv_func_attropen" in
1354 *yes*) enable_xattr_support=maybe ;;
1355 *) enable_xattr_support=no ;;
1357 AH_TEMPLATE([SUPPORT_XATTRS],
1358 [Define to 1 to add support for extended attributes])
1359 if test x"$enable_xattr_support" = x"no"; then
1363 *linux*|*netbsd*|*cygwin*)
1364 AC_MSG_RESULT(Using Linux xattrs)
1365 AC_DEFINE(HAVE_LINUX_XATTRS, 1, [True if you have Linux xattrs (or equivalent)])
1366 AC_DEFINE(SUPPORT_XATTRS, 1)
1367 AC_DEFINE(NO_SYMLINK_USER_XATTRS, 1, [True if symlinks do not support user xattrs])
1368 AC_CHECK_LIB(attr,getxattr)
1371 AC_MSG_RESULT(Using OS X xattrs)
1372 AC_DEFINE(HAVE_OSX_XATTRS, 1, [True if you have Mac OS X xattrs])
1373 AC_DEFINE(SUPPORT_XATTRS, 1)
1374 AC_DEFINE(NO_DEVICE_XATTRS, 1, [True if device files do not support xattrs])
1375 AC_DEFINE(NO_SPECIAL_XATTRS, 1, [True if special files do not support xattrs])
1378 AC_MSG_RESULT(Using FreeBSD extattrs)
1379 AC_DEFINE(HAVE_FREEBSD_XATTRS, 1, [True if you have FreeBSD xattrs])
1380 AC_DEFINE(SUPPORT_XATTRS, 1)
1383 AC_MSG_RESULT(Using Solaris xattrs)
1384 AC_DEFINE(HAVE_SOLARIS_XATTRS, 1, [True if you have Solaris xattrs])
1385 AC_DEFINE(SUPPORT_XATTRS, 1)
1386 AC_DEFINE(NO_SYMLINK_XATTRS, 1, [True if symlinks do not support xattrs])
1389 if test x"$enable_xattr_support" = x"yes"; then
1390 AC_MSG_ERROR(Failed to find extended attribute support)
1392 AC_MSG_RESULT(No extended attribute support found)
1398 if test x"$enable_acl_support" = x"no" || test x"$enable_xattr_support" = x"no" || test x"$enable_iconv" = x"no"; then
1399 AC_MSG_CHECKING([whether $CC supports -Wno-unused-parameter])
1400 OLD_CFLAGS="$CFLAGS"
1401 CFLAGS="$CFLAGS -Wno-unused-parameter"
1402 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>]], [[printf("hello\n");]])],[rsync_warn_flag=yes],[rsync_warn_flag=no])
1403 AC_MSG_RESULT([$rsync_warn_flag])
1404 if test x"$rsync_warn_flag" = x"no"; then
1405 CFLAGS="$OLD_CFLAGS"
1410 ' checker'*|checker*)
1411 AC_DEFINE(FORCE_FD_ZERO_MEMSET, 1, [Used to make "checker" understand that FD_ZERO() clears memory.])
1415 AC_CONFIG_FILES([Makefile lib/dummy zlib/dummy popt/dummy shconfig])
1419 AC_MSG_RESULT([ rsync $PACKAGE_VERSION configuration successful])