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 \
18 AC_CHECK_HEADERS([netinet/ip.h], [], [], [[#include <netinet/in.h>]])
21 AC_CONFIG_MACRO_DIR([m4])
22 AC_CONFIG_SRCDIR([byteorder.h])
23 AC_CONFIG_HEADER(config.h)
26 PACKAGE_VERSION=`sed -n 's/.*RSYNC_VERSION.*"\(.*\)".*/\1/p' <$srcdir/version.h`
28 AC_MSG_NOTICE([Configuring rsync $PACKAGE_VERSION])
34 dnl define the directory for replacement function since AC_LIBOBJ does not
35 dnl officially support subdirs and fails with automake
36 AC_CONFIG_LIBOBJ_DIR([lib])
38 # We must decide this before testing the compiler.
40 # Please allow this to default to yes, so that your users have more
41 # chance of getting a useful stack trace if problems occur.
43 AC_MSG_CHECKING([whether to include debugging symbols])
45 AS_HELP_STRING([--disable-debug],[disable to omit debugging symbols and features]))
47 if test x"$enable_debug" = x"no"; then
52 dnl AC_DEFINE(DEBUG, 1, [Define to turn on debugging code that may slow normal operation])
53 # leave ac_cv_prog_cc_g alone; AC_PROG_CC will try to include -g if it can
56 dnl Checks for programs.
66 AC_PATH_PROG([PERL], [perl])
67 AC_PATH_PROG([PYTHON3], [python3])
69 AC_DEFINE([_GNU_SOURCE], 1,
70 [Define _GNU_SOURCE so that we get all necessary prototypes])
72 if test x"$ac_cv_prog_cc_stdc" = x"no"; then
73 AC_MSG_WARN([rsync requires an ANSI C compiler and you do not seem to have one])
81 AC_ARG_ENABLE(profile,
82 AS_HELP_STRING([--enable-profile],[enable to turn on CPU profiling]))
83 if test x"$enable_profile" = x"yes"; then
87 AC_MSG_CHECKING([if md2man can create manpages])
88 if test x"$ac_cv_path_PYTHON3" = x; then
89 AC_MSG_RESULT(no - python3 not found)
92 md2man_out=`"$srcdir/md2man" --test "$srcdir/rsync-ssl.1.md" 2>&1`
103 AC_MSG_CHECKING([if we require man-page building])
104 AC_ARG_ENABLE([md2man],
105 AS_HELP_STRING([--disable-md2man],[disable to omit manpage creation]))
106 if test x"$enable_md2man" != x"no"; then
107 if test -f "$srcdir/rsync.1"; then
108 AC_MSG_RESULT(optional)
110 AC_MSG_RESULT(required)
111 if test x"$md2man_works" = x"no"; then
112 err_msg="$err_msg$nl- You need python3 and either the cmarkgfm OR commonmark python3 lib in order"
113 err_msg="$err_msg$nl to build manpages based on the git source (manpages are included in the"
114 err_msg="$err_msg$nl official release tar files)."
115 no_lib="$no_lib md2man"
123 # Specifically, this turns on panic_action handling.
124 AC_ARG_ENABLE(maintainer-mode,
125 AS_HELP_STRING([--enable-maintainer-mode],[enable to turn on extra debug features]))
126 if test x"$enable_maintainer_mode" = x"yes"; then
127 CFLAGS="$CFLAGS -DMAINTAINER_MODE"
130 # This is needed for our included version of popt. Kind of silly, but
131 # I don't want our version too far out of sync.
132 CFLAGS="$CFLAGS -DHAVE_CONFIG_H"
134 # If GCC, turn on warnings.
135 if test x"$GCC" = x"yes"; then
136 CFLAGS="$CFLAGS -Wall -W"
140 AS_HELP_STRING([--with-rrsync],[also install the rrsync script and its manpage]))
141 if test x"$with_rrsync" != x"yes"; then
145 MAKE_RRSYNC_1='rrsync.1'
146 GEN_RRSYNC='rrsync.1 rrsync.1.html'
148 AC_SUBST(with_rrsync)
150 AC_ARG_WITH(included-popt,
151 AS_HELP_STRING([--with-included-popt],[use bundled popt library, not from system]))
153 AC_ARG_WITH(included-zlib,
154 AS_HELP_STRING([--with-included-zlib],[use bundled zlib library, not from system]))
156 AC_ARG_WITH(protected-args,
157 AS_HELP_STRING([--with-protected-args],[make --protected-args option the default]))
158 if test x"$with_protected_args" = x"yes"; then
159 AC_DEFINE_UNQUOTED(RSYNC_USE_PROTECTED_ARGS, 1, [Define to 1 if --protected-args should be the default])
162 AC_ARG_WITH(rsync-path,
163 AS_HELP_STRING([--with-rsync-path=PATH],[set default --rsync-path to PATH (default: rsync)]),
164 [ RSYNC_PATH="$with_rsync_path" ],
165 [ RSYNC_PATH="rsync" ])
167 AC_DEFINE_UNQUOTED(RSYNC_PATH, "$RSYNC_PATH", [location of rsync on remote machine])
169 AC_ARG_WITH(rsyncd-conf,
170 AS_HELP_STRING([--with-rsyncd-conf=PATH],[set configuration file for rsync server to PATH (default: /etc/rsyncd.conf)]),
171 [ if test ! -z "$with_rsyncd_conf" ; then
172 case $with_rsyncd_conf in
174 RSYNCD_SYSCONF="/etc/rsyncd.conf"
177 RSYNCD_SYSCONF="$with_rsyncd_conf"
180 AC_MSG_ERROR(You must specify an absolute path to --with-rsyncd-conf=PATH)
184 RSYNCD_SYSCONF="/etc/rsyncd.conf"
186 [ RSYNCD_SYSCONF="/etc/rsyncd.conf" ])
188 AC_DEFINE_UNQUOTED(RSYNCD_SYSCONF, "$RSYNCD_SYSCONF", [location of configuration file for rsync server])
191 AS_HELP_STRING([--with-rsh=CMD],[set remote shell command to CMD (default: ssh)]))
193 AC_CHECK_PROG(HAVE_REMSH, remsh, 1, 0)
194 if test x$HAVE_REMSH = x1; then
195 AC_DEFINE(HAVE_REMSH, 1, [Define to 1 if remote shell is remsh, not rsh])
198 if test x"$with_rsh" != x; then
199 RSYNC_RSH="$with_rsh"
203 AC_DEFINE_UNQUOTED(RSYNC_RSH, "$RSYNC_RSH", [default -e command])
205 # Some programs on solaris are only found in /usr/xpg4/bin (or work better than others versions).
206 AC_PATH_PROG(SHELL_PATH, sh, /bin/sh, [/usr/xpg4/bin$PATH_SEPARATOR$PATH])
207 AC_PATH_PROG(FAKEROOT_PATH, fakeroot, /usr/bin/fakeroot, [/usr/xpg4/bin$PATH_SEPARATOR$PATH])
209 AC_ARG_WITH(nobody-user,
210 AS_HELP_STRING([--with-nobody-user=USER],[set the default unprivileged user (default nobody)]),
211 [ NOBODY_USER="$with_nobody_user" ],
212 [ NOBODY_USER="nobody" ])
214 AC_ARG_WITH(nobody-group,
215 AS_HELP_STRING([--with-nobody-group=GROUP],[set the default unprivileged group (default nobody or nogroup)]),
216 [ NOBODY_GROUP="$with_nobody_group" ])
218 if test x"$with_nobody_group" = x; then
219 AC_MSG_CHECKING([the group for user "nobody"])
220 if grep '^nobody:' /etc/group >/dev/null 2>&1; then
222 elif grep '^nogroup:' /etc/group >/dev/null 2>&1; then
225 NOBODY_GROUP=nobody # test for others?
227 AC_MSG_RESULT($NOBODY_GROUP)
230 AC_DEFINE_UNQUOTED(NOBODY_USER, "$NOBODY_USER", [unprivileged user--e.g. nobody])
231 AC_DEFINE_UNQUOTED(NOBODY_GROUP, "$NOBODY_GROUP", [unprivileged group for unprivileged user])
233 # rolling-checksum SIMD optimizations
236 AC_MSG_CHECKING([whether to enable rolling-checksum SIMD optimizations])
237 AC_ARG_ENABLE(roll-simd,
238 AS_HELP_STRING([--enable-roll-simd],[enable/disable to control rolling-checksum SIMD optimizations (requires c++)]))
240 # Clag is crashing with -g -O2, so we'll get rid of -g for now.
241 CXXFLAGS=`echo "$CXXFLAGS" | sed 's/-g //'`
242 m4_define(SIMD_X86_64_TEST, [[#include <stdio.h>
246 #include <immintrin.h>
247 __attribute__ ((target("default"))) int test_ssse3(int x) { return x; }
248 __attribute__ ((target("default"))) int test_sse2(int x) { return x; }
249 __attribute__ ((target("default"))) int test_avx2(int x) { return x; }
250 __attribute__ ((target("ssse3"))) int test_ssse3(int x) { return x; }
251 __attribute__ ((target("sse2"))) int test_sse2(int x) { return x; }
252 __attribute__ ((target("avx2"))) int test_avx2(int x) { return x; }
253 typedef long long __m128i_u __attribute__((__vector_size__(16), __may_alias__, __aligned__(1)));
254 typedef long long __m256i_u __attribute__((__vector_size__(32), __may_alias__, __aligned__(1)));
255 __attribute__ ((target("default"))) void more_testing(char* buf, int len) { }
256 __attribute__ ((target("ssse3"))) void more_testing(char* buf, int len)
259 for (i = 0; i < (len-32); i+=32) {
260 __m128i in8_1, in8_2;
261 in8_1 = _mm_lddqu_si128((__m128i_u*)&buf[i]);
262 in8_2 = _mm_lddqu_si128((__m128i_u*)&buf[i + 16]);
267 if test x"$enable_roll_simd" = x""; then
270 *) enable_roll_simd=no ;;
274 if test x"$enable_roll_simd" != x"no"; then
275 # For x86-64 SIMD, g++ >=5 or clang++ >=7 is required
276 if test x"$host_cpu" = x"x86_64" || test x"$host_cpu" = x"amd64"; then
278 if test x"$host" = x"$build"; then
279 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);]])],
280 [CXX_OK=yes],[CXX_OK=no])
282 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([SIMD_X86_64_TEST])],[CXX_OK=yes],[CXX_OK=no])
285 if test x"$CXX_OK" = x"yes"; then
286 # AC_MSG_RESULT() is called below.
287 ROLL_SIMD="$host_cpu"
288 elif test x"$enable_roll_simd" = x"yes"; then
290 AC_MSG_ERROR(The rolling-checksum SIMD compilation test failed.
291 Omit --enable-roll-simd to continue without it.)
293 elif test x"$enable_roll_simd" = x"yes"; then
294 AC_MSG_RESULT(unavailable)
295 AC_MSG_ERROR(The rolling-checksum SIMD optimizations are currently x86_64|amd64 only.
296 Omit --enable-roll-simd to continue without it.)
300 if test x"$ROLL_SIMD" != x""; then
301 AC_MSG_RESULT([yes ($ROLL_SIMD)])
302 AC_DEFINE(USE_ROLL_SIMD, 1, [Define to 1 to enable rolling-checksum SIMD optimizations])
303 ROLL_SIMD='$(ROLL_SIMD_'"$ROLL_SIMD)"
304 # We only use c++ for its target attribute dispatching, disable unneeded bulky features
305 CXXFLAGS="$CXXFLAGS -fno-exceptions -fno-rtti"
306 # Apple often has "g++" as a symlink for clang. Try to find out the truth.
307 CXX_VERSION=`$CXX --version 2>/dev/null | head -n 2`
308 case "$CXX_VERSION" in
309 *clang*) CXXFLAGS="$CXXFLAGS -fno-slp-vectorize" ;; # avoid a performance hit
317 AC_MSG_CHECKING([if assembler accepts noexecstack])
319 CFLAGS="$CFLAGS -Wa,--noexecstack"
320 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[return 0;]])],
321 [ NOEXECSTACK='-Wa,--noexecstack' ; AC_MSG_RESULT(yes) ],
322 [ NOEXECSTACK='' ; AC_MSG_RESULT(no) ])
324 AC_SUBST(NOEXECSTACK)
326 # arrgh. libc in some old debian version screwed up the largefile
327 # stuff, getting byte range locking wrong
328 AC_CACHE_CHECK([for broken largefile support],rsync_cv_HAVE_BROKEN_LARGEFILE,[
329 AC_RUN_IFELSE([AC_LANG_SOURCE([[
330 #define _FILE_OFFSET_BITS 64
334 #elif defined HAVE_SYS_FCNTL_H
335 # include <sys/fcntl.h>
337 #ifdef HAVE_SYS_WAIT_H
338 #include <sys/wait.h>
345 char tpl[32] = "/tmp/locktest.XXXXXX";
346 int fd = mkstemp(tpl);
348 strcpy(tpl, "conftest.dat");
349 fd = open(tpl, O_CREAT|O_RDWR, 0600);
352 lock.l_type = F_WRLCK;
353 lock.l_whence = SEEK_SET;
357 fcntl(fd,F_SETLK,&lock);
360 _exit(fcntl(fd,F_SETLK,&lock) == 0);
364 return WEXITSTATUS(status);
366 ]])],[rsync_cv_HAVE_BROKEN_LARGEFILE=yes],[rsync_cv_HAVE_BROKEN_LARGEFILE=no],[rsync_cv_HAVE_BROKEN_LARGEFILE=cross])])
367 if test x"$rsync_cv_HAVE_BROKEN_LARGEFILE" != x"yes"; then
371 AC_MSG_CHECKING([whether to enable ipv6])
373 AS_HELP_STRING([--disable-ipv6],[disable to omit ipv6 support]),
374 [ case "$enableval" in
378 *) AC_MSG_RESULT(yes)
379 AC_DEFINE(INET6, 1, [true if you have IPv6])
383 AC_TRY_RUN([ /* AF_INET6 availability check */
385 #include <sys/types.h>
386 #include <sys/socket.h>
389 if (socket(AF_INET6, SOCK_STREAM, 0) < 0)
396 AC_DEFINE(INET6, 1, [true if you have IPv6]),
401 dnl Do you want to disable use of locale functions
402 AC_ARG_ENABLE([locale],
403 AS_HELP_STRING([--disable-locale],[disable to omit locale features]))
404 AH_TEMPLATE([CONFIG_LOCALE],
405 [Undefine if you do not want locale features. By default this is defined.])
406 if test x"$enable_locale" != x"no"; then
407 AC_DEFINE(CONFIG_LOCALE)
410 AC_MSG_CHECKING([whether to call shutdown on all sockets])
412 *cygwin* ) AC_MSG_RESULT(yes)
413 AC_DEFINE(SHUTDOWN_ALL_SOCKETS, 1,
414 [Define to 1 if sockets need to be shutdown])
416 * ) AC_MSG_RESULT(no);;
419 AC_MSG_CHECKING([whether to enable use of openssl crypto library])
420 AC_ARG_ENABLE([openssl],
421 AS_HELP_STRING([--disable-openssl],[disable to omit openssl crypto library]))
422 AH_TEMPLATE([USE_OPENSSL],
423 [Undefine if you do not want to use openssl crypto library. By default this is defined.])
424 if test x"$enable_openssl" != x"no"; then
425 if test x"$ac_cv_header_openssl_md4_h" = x"yes" && test x"$ac_cv_header_openssl_md5_h" = x"yes"; then
427 AC_SEARCH_LIBS(MD5_Init, crypto,
428 [AC_DEFINE(USE_OPENSSL)
430 [err_msg="$err_msg$nl- Failed to find MD5_Init function in openssl crypto lib.";
431 no_lib="$no_lib openssl"])
434 err_msg="$err_msg$nl- Failed to find openssl/md4.h and openssl/md5.h for openssl crypto lib support."
435 no_lib="$no_lib openssl"
437 if test x"$enable_md5_asm" != x"yes"; then
446 AC_MSG_CHECKING([whether to enable MD5 ASM optimizations])
447 AC_ARG_ENABLE(md5-asm,
448 AS_HELP_STRING([--enable-md5-asm],[enable/disable to control MD5 ASM optimizations]))
450 if test x"$enable_md5_asm" = x""; then
453 *) enable_md5_asm=no ;;
457 if test x"$enable_md5_asm" != x"no"; then
458 if test x"$host_cpu" = x"x86_64" || test x"$host_cpu" = x"amd64"; then
460 elif test x"$enable_md5_asm" = x"yes"; then
461 AC_MSG_RESULT(unavailable)
462 AC_MSG_ERROR(The ASM optimizations are currently x86_64|amd64 only.
463 Omit --enable-md5-asm to continue without it.)
467 if test x"$MD5_ASM" != x""; then
468 AC_MSG_RESULT([yes ($MD5_ASM)])
469 AC_DEFINE(USE_MD5_ASM, 1, [Define to 1 to enable MD5 ASM optimizations])
470 MD5_ASM='$(MD5_ASM_'"$MD5_ASM)"
479 AC_MSG_CHECKING([whether to enable rolling-checksum ASM optimizations])
480 AC_ARG_ENABLE(roll-asm,
481 AS_HELP_STRING([--enable-roll-asm],[enable/disable to control rolling-checksum ASM optimizations (requires --enable-roll-simd)]))
483 if test x"$ROLL_SIMD" = x""; then
487 if test x"$enable_roll_asm" = x"yes"; then
489 AC_MSG_RESULT([yes ($ROLL_ASM)])
490 AC_DEFINE(USE_ROLL_ASM, 1, [Define to 1 to enable rolling-checksum ASM optimizations (requires --enable-roll-simd)])
491 ROLL_ASM='$(ROLL_ASM_'"$ROLL_ASM)"
498 AC_MSG_CHECKING([whether to enable xxhash checksum support])
499 AC_ARG_ENABLE([xxhash],
500 AS_HELP_STRING([--disable-xxhash],[disable to omit xxhash checksums]))
501 AH_TEMPLATE([SUPPORT_XXHASH],
502 [Undefine if you do not want xxhash checksums. By default this is defined.])
503 if test x"$enable_xxhash" != x"no"; then
504 if test x"$ac_cv_header_xxhash_h" = x"yes"; then
506 AC_SEARCH_LIBS(XXH64_createState, xxhash,
507 [AC_DEFINE(SUPPORT_XXHASH)],
508 [err_msg="$err_msg$nl- Failed to find XXH64_createState function in xxhash lib.";
509 no_lib="$no_lib xxhash"])
512 err_msg="$err_msg$nl- Failed to find xxhash.h for xxhash checksum support.";
513 no_lib="$no_lib xxhash"
519 AC_MSG_CHECKING([whether to enable zstd compression])
520 AC_ARG_ENABLE([zstd],
521 AC_HELP_STRING([--disable-zstd], [disable to omit zstd compression]))
522 AH_TEMPLATE([SUPPORT_ZSTD],
523 [Undefine if you do not want zstd compression. By default this is defined.])
524 if test x"$enable_zstd" != x"no"; then
525 if test x"$ac_cv_header_zstd_h" = x"yes"; then
527 AC_SEARCH_LIBS(ZSTD_minCLevel, zstd,
528 [AC_DEFINE(SUPPORT_ZSTD)],
529 [err_msg="$err_msg$nl- Failed to find ZSTD_minCLevel function in zstd lib.";
530 no_lib="$no_lib zstd"])
533 err_msg="$err_msg$nl- Failed to find zstd.h for zstd compression support.";
534 no_lib="$no_lib zstd"
540 AC_MSG_CHECKING([whether to enable LZ4 compression])
542 AC_HELP_STRING([--disable-lz4], [disable to omit LZ4 compression]))
543 AH_TEMPLATE([SUPPORT_LZ4],
544 [Undefine if you do not want LZ4 compression. By default this is defined.])
545 if test x"$enable_lz4" != x"no"; then
546 if test x"$ac_cv_header_lz4_h" = x"yes"; then
548 AC_SEARCH_LIBS(LZ4_compress_default, lz4,
549 [AC_DEFINE(SUPPORT_LZ4)],
550 [err_msg="$err_msg$nl- Failed to find LZ4_compress_default function in lz4 lib.";
551 no_lib="$no_lib lz4"])
554 err_msg="$err_msg$nl- Failed to find lz4.h for lz4 compression support."
561 if test x"$no_lib" != x; then
563 echo "Configure found the following issues:"
566 echo "See the INSTALL file for hints on how to install the missing libraries and/or"
567 echo "how to generate (or fetch) manpages:"
568 echo " https://github.com/WayneD/rsync/blob/master/INSTALL.md"
570 echo "To disable one or more features, the relevant configure options are:"
571 for lib in $no_lib; do
572 echo " --disable-$lib"
575 AC_MSG_ERROR(Aborting configure run)
578 AC_CACHE_CHECK([if makedev takes 3 args],rsync_cv_MAKEDEV_TAKES_3_ARGS,[
579 AC_RUN_IFELSE([AC_LANG_SOURCE([[
580 #ifdef HAVE_SYS_TYPES_H
581 #include <sys/types.h>
583 #ifdef MAJOR_IN_MKDEV
584 #include <sys/mkdev.h>
585 # if !defined makedev && (defined mkdev || defined _WIN32 || defined __WIN32__)
586 # define makedev mkdev
588 #elif defined MAJOR_IN_SYSMACROS
589 #include <sys/sysmacros.h>
594 dev_t dev = makedev(0, 5, 7);
595 if (major(dev) != 5 || minor(dev) != 7)
599 ]])],[rsync_cv_MAKEDEV_TAKES_3_ARGS=yes],[rsync_cv_MAKEDEV_TAKES_3_ARGS=no],[rsync_cv_MAKEDEV_TAKES_3_ARGS=no])])
600 if test x"$rsync_cv_MAKEDEV_TAKES_3_ARGS" = x"yes"; then
601 AC_DEFINE(MAKEDEV_TAKES_3_ARGS, 1, [Define to 1 if makedev() takes 3 args])
605 AC_CHECK_SIZEOF(long)
606 AC_CHECK_SIZEOF(long long)
607 AC_CHECK_SIZEOF(short)
608 AC_CHECK_SIZEOF(int16_t)
609 AC_CHECK_SIZEOF(uint16_t)
610 AC_CHECK_SIZEOF(int32_t)
611 AC_CHECK_SIZEOF(uint32_t)
612 AC_CHECK_SIZEOF(int64_t)
613 AC_CHECK_SIZEOF(off_t)
614 AC_CHECK_SIZEOF(off64_t)
615 AC_CHECK_SIZEOF(time_t)
616 AC_CHECK_SIZEOF(char*)
620 AC_TYPE_LONG_DOUBLE_WIDER
621 ac_cv_c_long_double=$ac_cv_type_long_double_wider
622 if test $ac_cv_c_long_double = yes; then
623 AC_DEFINE([HAVE_LONG_DOUBLE],[1],[Define to 1 if the type `long double' works and has more range or precision than `double'.])
627 AC_CHECK_TYPES([mode_t,off_t,size_t,pid_t,id_t])
629 AC_CHECK_MEMBERS([struct stat.st_rdev,
630 struct stat.st_mtimensec,
631 struct stat.st_mtimespec.tv_nsec,
632 struct stat.st_mtim.tv_nsec],,,[
633 #ifdef HAVE_SYS_TYPES_H
634 #include <sys/types.h>
636 #ifdef HAVE_SYS_STAT_H
637 #include <sys/stat.h>
645 AC_CACHE_CHECK([for errno in errno.h],rsync_cv_errno, [
646 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <errno.h>]], [[int i = errno]])],[rsync_cv_errno=yes],[rsync_cv_have_errno_decl=no])])
647 if test x"$rsync_cv_errno" = x"yes"; then
648 AC_DEFINE(HAVE_ERRNO_DECL, 1, [Define to 1 if errno is declared in errno.h])
651 # The following test taken from the cvs sources
652 # If we can't find connect, try looking in -lsocket, -lnsl, and -linet.
653 # These need checks to be before checks for any other functions that
654 # might be in the same libraries.
655 # The Irix 5 libc.so has connect and gethostbyname, but Irix 5 also has
656 # libsocket.so which has a bad implementation of gethostbyname (it
657 # only looks in /etc/hosts), so we only look for -lsocket if we need
659 AC_CHECK_FUNCS(connect)
660 if test x"$ac_cv_func_connect" = x"no"; then
663 *) AC_CHECK_LIB(nsl_s, printf) ;;
667 *) AC_CHECK_LIB(nsl, printf) ;;
671 *) AC_CHECK_LIB(socket, connect) ;;
675 *) AC_CHECK_LIB(inet, connect) ;;
677 dnl We can't just call AC_CHECK_FUNCS(connect) here, because the value
679 if test x"$ac_cv_lib_socket_connect" = x"yes" ||
680 test x"$ac_cv_lib_inet_connect" = x"yes"; then
681 # ac_cv_func_connect=yes
682 # don't! it would cause AC_CHECK_FUNC to succeed next time configure is run
683 AC_DEFINE(HAVE_CONNECT, 1, [Define to 1 if you have the "connect" function])
687 AC_SEARCH_LIBS(inet_ntop, resolv)
689 # For OS X, Solaris, HP-UX, etc.: figure out if -liconv is needed. We'll
690 # accept either iconv_open or libiconv_open, since some include files map
691 # the former to the latter.
692 AC_SEARCH_LIBS(iconv_open, iconv)
693 AC_SEARCH_LIBS(libiconv_open, iconv)
695 AC_MSG_CHECKING([for iconv declaration])
696 AC_CACHE_VAL(am_cv_proto_iconv, [
697 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
706 #if defined(__STDC__) || defined(__cplusplus)
707 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
711 ]], [[]])],[am_cv_proto_iconv_arg1=""],[am_cv_proto_iconv_arg1="const"])
712 am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"])
713 am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed 's/( /(/'`
714 AC_MSG_RESULT([$]{ac_t:-
715 }[$]am_cv_proto_iconv)
716 AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1,
717 [Define as const if the declaration of iconv() needs const.])
719 dnl AC_MSG_NOTICE([Looking in libraries: $LIBS])
721 AC_REPLACE_FUNCS([inet_ntop inet_pton])
723 AC_HAVE_TYPE([struct addrinfo], [#include <netdb.h>])
724 AC_HAVE_TYPE([struct sockaddr_storage], [
725 #ifdef HAVE_SYS_TYPES_H
726 #include <sys/types.h>
728 #ifdef HAVE_SYS_SOCKET_H
729 #include <sys/socket.h>
732 # Irix 6.5 has getaddrinfo but not the corresponding defines, so use
733 # builtin getaddrinfo if one of the defines don't exist
734 AC_CACHE_CHECK([whether defines needed by getaddrinfo exist],
735 rsync_cv_HAVE_GETADDR_DEFINES,[
737 #ifdef HAVE_SYS_TYPES_H
738 #include <sys/types.h>
740 #ifdef HAVE_SYS_SOCKET_H
741 #include <sys/socket.h>
749 rsync_cv_HAVE_GETADDR_DEFINES=yes,
750 rsync_cv_HAVE_GETADDR_DEFINES=no)])
751 AS_IF([test x"$rsync_cv_HAVE_GETADDR_DEFINES" = x"yes" && test x"$ac_cv_type_struct_addrinfo" = x"yes"],[
752 # Tru64 UNIX has getaddrinfo() but has it renamed in libc as
753 # something else so we must include <netdb.h> to get the
755 AC_CHECK_FUNCS(getaddrinfo, ,
756 [AC_MSG_CHECKING([for getaddrinfo by including <netdb.h>])
757 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
758 #ifdef HAVE_SYS_TYPES_H
759 #include <sys/types.h>
761 #ifdef HAVE_SYS_SOCKET_H
762 #include <sys/socket.h>
764 #include <netdb.h>]], [[getaddrinfo(NULL, NULL, NULL, NULL);]])],[AC_MSG_RESULT([yes])
765 AC_DEFINE(HAVE_GETADDRINFO, 1,
766 [Define to 1 if you have the "getaddrinfo" function and required types.])],[AC_MSG_RESULT([no])
767 AC_LIBOBJ([getaddrinfo])])])
768 ],[AC_LIBOBJ([getaddrinfo])])
770 AC_CHECK_MEMBER([struct sockaddr.sa_len],
771 [ AC_DEFINE(HAVE_SOCKADDR_LEN, 1, [Do we have sockaddr.sa_len?]) ],
774 #ifdef HAVE_SYS_TYPES_H
775 #include <sys/types.h>
777 #ifdef HAVE_SYS_SOCKET_H
778 #include <sys/socket.h>
782 AC_CHECK_MEMBER([struct sockaddr_in.sin_len],
783 [ AC_DEFINE(HAVE_SOCKADDR_IN_LEN, 1, [Do we have sockaddr_in.sin_len?]) ],
786 #ifdef HAVE_SYS_TYPES_H
787 #include <sys/types.h>
789 #ifdef HAVE_SYS_SOCKET_H
790 #include <sys/socket.h>
792 #include <netinet/in.h>
795 AC_CHECK_MEMBER([struct sockaddr_un.sun_len],
796 [ AC_DEFINE(HAVE_SOCKADDR_UN_LEN, 1, [Do we have sockaddr_un.sun_len?]) ],
799 #ifdef HAVE_SYS_TYPES_H
800 #include <sys/types.h>
802 #ifdef HAVE_SYS_SOCKET_H
803 #include <sys/socket.h>
805 #include <netinet/in.h>
808 AC_CHECK_MEMBER([struct sockaddr_in6.sin6_scope_id],
809 [ AC_DEFINE(HAVE_SOCKADDR_IN6_SCOPE_ID, 1, [Do we have sockaddr_in6.sin6_scope_id?]) ],
812 #ifdef HAVE_SYS_TYPES_H
813 #include <sys/types.h>
815 #ifdef HAVE_SYS_SOCKET_H
816 #include <sys/socket.h>
818 #include <netinet/in.h>
821 AC_HAVE_TYPE([struct stat64], [#include <stdio.h>
823 # include <sys/types.h>
826 # include <sys/stat.h>
838 # if we can't find strcasecmp, look in -lresolv (for Unixware at least)
840 AC_CHECK_FUNCS(strcasecmp)
841 if test x"$ac_cv_func_strcasecmp" = x"no"; then
842 AC_CHECK_LIB(resolv, strcasecmp)
845 AC_CHECK_FUNCS(aclsort)
846 if test x"$ac_cv_func_aclsort" = x"no"; then
847 AC_CHECK_LIB(sec, aclsort)
850 dnl At the moment we don't test for a broken memcmp(), because all we
851 dnl need to do is test for equality, not comparison, and it seems that
852 dnl every platform has a memcmp that can do at least that.
857 AC_CHECK_FUNCS(waitpid wait4 getcwd chown chmod lchmod mknod mkfifo \
858 fchmod fstat ftruncate strchr readlink link utime utimes lutimes strftime \
859 chflags getattrlist mktime innetgr linkat \
860 memmove lchown vsnprintf snprintf vasprintf asprintf setsid strpbrk \
861 strlcat strlcpy strtol mallinfo mallinfo2 getgroups setgroups geteuid getegid \
862 setlocale setmode open64 lseek64 mkstemp64 mtrace va_copy __va_copy \
863 seteuid strerror putenv iconv_open locale_charset nl_langinfo getxattr \
864 extattr_get_link sigaction sigprocmask setattrlist getgrouplist \
865 initgroups utimensat posix_fallocate attropen setvbuf nanosleep usleep \
868 dnl cygwin iconv.h defines iconv_open as libiconv_open
869 if test x"$ac_cv_func_iconv_open" != x"yes"; then
870 AC_CHECK_FUNC(libiconv_open, [ac_cv_func_iconv_open=yes; AC_DEFINE(HAVE_ICONV_OPEN, 1)])
873 dnl Preallocation stuff (also fallocate, posix_fallocate function tests above):
875 AC_CACHE_CHECK([for useable fallocate],rsync_cv_have_fallocate,[
876 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <fcntl.h>
877 #ifdef HAVE_SYS_TYPES_H
878 #include <sys/types.h>
879 #endif]], [[fallocate(0, 0, 0, 0);]])],[rsync_cv_have_fallocate=yes],[rsync_cv_have_fallocate=no])])
880 if test x"$rsync_cv_have_fallocate" = x"yes"; then
881 AC_DEFINE(HAVE_FALLOCATE, 1, [Define to 1 if you have the fallocate function and it compiles and links without error])
884 AC_MSG_CHECKING([for FALLOC_FL_PUNCH_HOLE])
885 AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
886 #define _GNU_SOURCE 1
887 #include <linux/falloc.h>
888 #ifndef FALLOC_FL_PUNCH_HOLE
889 #error FALLOC_FL_PUNCH_HOLE is missing
893 AC_DEFINE([HAVE_FALLOC_FL_PUNCH_HOLE], [1], [Define if FALLOC_FL_PUNCH_HOLE is available.])
899 AC_MSG_CHECKING([for FALLOC_FL_ZERO_RANGE])
900 AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
901 #define _GNU_SOURCE 1
902 #include <linux/falloc.h>
903 #ifndef FALLOC_FL_ZERO_RANGE
904 #error FALLOC_FL_ZERO_RANGE is missing
908 AC_DEFINE([HAVE_FALLOC_FL_ZERO_RANGE], [1], [Define if FALLOC_FL_ZERO_RANGE is available.])
914 AC_CACHE_CHECK([for SYS_fallocate],rsync_cv_have_sys_fallocate,[
915 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/syscall.h>
919 #ifdef HAVE_SYS_TYPES_H
920 #include <sys/types.h>
921 #endif]], [[syscall(SYS_fallocate, 0, 0, (loff_t)0, (loff_t)0);]])],[rsync_cv_have_sys_fallocate=yes],[rsync_cv_have_sys_fallocate=no])])
922 if test x"$rsync_cv_have_sys_fallocate" = x"yes"; then
923 AC_DEFINE(HAVE_SYS_FALLOCATE, 1, [Define to 1 if you have the SYS_fallocate syscall number])
926 if test x"$ac_cv_func_posix_fallocate" = x"yes"; then
927 AC_MSG_CHECKING([whether posix_fallocate is efficient])
931 AC_DEFINE(HAVE_EFFICIENT_POSIX_FALLOCATE, 1,
932 [Define if posix_fallocate is efficient (Cygwin)])
940 dnl End of preallocation stuff
942 AC_CHECK_FUNCS(getpgrp tcgetpgrp)
943 if test $ac_cv_func_getpgrp = yes; then
947 AC_ARG_ENABLE(iconv-open,
948 AS_HELP_STRING([--disable-iconv-open],[disable to avoid all use of iconv_open()]),
949 [], [enable_iconv_open=$ac_cv_func_iconv_open])
951 if test x"$enable_iconv_open" != x"no"; then
952 AC_DEFINE(USE_ICONV_OPEN, 1, [Define to 1 if you want rsync to make use of iconv_open()])
956 AS_HELP_STRING([--disable-iconv],[disable to omit the --iconv option]),
957 [], [enable_iconv=$enable_iconv_open])
958 AH_TEMPLATE([ICONV_OPTION],
959 [Define if you want the --iconv option. Specifying a value will set the
960 default iconv setting (a NULL means no --iconv processing by default).])
961 if test x"$enable_iconv" != x"no"; then
962 if test x"$enable_iconv" = x"yes"; then
963 AC_DEFINE(ICONV_OPTION, NULL)
965 AC_DEFINE_UNQUOTED(ICONV_OPTION, "$enable_iconv")
967 AC_DEFINE(UTF8_CHARSET, "UTF-8", [String to pass to iconv() for the UTF-8 charset.])
970 AC_CACHE_CHECK([whether chown() modifies symlinks],rsync_cv_chown_modifies_symlink,[
971 AC_RUN_IFELSE([AC_LANG_SOURCE([[
978 char const *dangling_symlink = "conftest.dangle";
979 unlink(dangling_symlink);
980 if (symlink("conftest.no-such", dangling_symlink) < 0) abort();
981 if (chown(dangling_symlink, getuid(), getgid()) < 0 && errno == ENOENT) return 1;
983 }]])],[rsync_cv_chown_modifies_symlink=yes],[rsync_cv_chown_modifies_symlink=no],[rsync_cv_chown_modifies_symlink=no])])
984 if test $rsync_cv_chown_modifies_symlink = yes; then
985 AC_DEFINE(CHOWN_MODIFIES_SYMLINK, 1, [Define to 1 if chown modifies symlinks.])
988 AC_CACHE_CHECK([whether link() can hard-link symlinks],rsync_cv_can_hardlink_symlink,[
989 AC_RUN_IFELSE([AC_LANG_SOURCE([[
992 #elif defined HAVE_SYS_FCNTL_H
993 # include <sys/fcntl.h>
1000 #define FILENAME "conftest.dangle"
1003 if (symlink("conftest.no-such", FILENAME) < 0) abort();
1004 unlink(FILENAME "2");
1006 if (linkat(AT_FDCWD, FILENAME, AT_FDCWD, FILENAME "2", 0) < 0) return 1;
1008 if (link(FILENAME, FILENAME "2") < 0) return 1;
1011 }]])],[rsync_cv_can_hardlink_symlink=yes],[rsync_cv_can_hardlink_symlink=no],[rsync_cv_can_hardlink_symlink=no])])
1012 if test $rsync_cv_can_hardlink_symlink = yes; then
1013 AC_DEFINE(CAN_HARDLINK_SYMLINK, 1, [Define to 1 if link() can hard-link symlinks.])
1016 AC_CACHE_CHECK([whether link() can hard-link special files],rsync_cv_can_hardlink_special,[
1017 AC_RUN_IFELSE([AC_LANG_SOURCE([[
1019 # include <unistd.h>
1021 #ifdef HAVE_SYS_STAT_H
1022 #include <sys/stat.h>
1026 #define FILENAME "conftest.fifi"
1029 if (mkfifo(FILENAME, 0777) < 0) abort();
1030 unlink(FILENAME "2");
1031 if (link(FILENAME, FILENAME "2") < 0) return 1;
1033 }]])],[rsync_cv_can_hardlink_special=yes],[rsync_cv_can_hardlink_special=no],[rsync_cv_can_hardlink_special=no])])
1034 if test $rsync_cv_can_hardlink_special = yes; then
1035 AC_DEFINE(CAN_HARDLINK_SPECIAL, 1, [Define to 1 if link() can hard-link special files.])
1038 AC_CACHE_CHECK([for working socketpair],rsync_cv_HAVE_SOCKETPAIR,[
1039 AC_RUN_IFELSE([AC_LANG_SOURCE([[
1040 #ifdef HAVE_SYS_TYPES_H
1041 #include <sys/types.h>
1043 #ifdef HAVE_SYS_SOCKET_H
1044 #include <sys/socket.h>
1049 return (socketpair(AF_UNIX, SOCK_STREAM, 0, fd) != -1) ? 0 : 1;
1050 }]])],[rsync_cv_HAVE_SOCKETPAIR=yes],[rsync_cv_HAVE_SOCKETPAIR=no],[rsync_cv_HAVE_SOCKETPAIR=cross])])
1051 if test x"$rsync_cv_HAVE_SOCKETPAIR" = x"yes"; then
1052 AC_DEFINE(HAVE_SOCKETPAIR, 1, [Define to 1 if you have the "socketpair" function])
1055 AC_REPLACE_FUNCS([getpass])
1057 if test x"$with_included_popt" != x"yes"; then
1058 AC_CHECK_LIB(popt, poptGetContext, , [with_included_popt=yes])
1060 if test x"$ac_cv_header_popt_popt_h" = x"yes"; then
1061 # If the system has /usr/include/popt/popt.h, we enable the
1062 # included popt because an attempt to "#include <popt/popt.h>"
1063 # would use our included header file anyway (due to -I.), and
1064 # might conflict with the system popt.
1065 with_included_popt=yes
1066 elif test x"$ac_cv_header_popt_h" != x"yes"; then
1067 with_included_popt=yes
1070 if test x"$GCC" = x"yes"; then
1071 if test x"$with_included_popt" != x"yes"; then
1072 # Turn pedantic warnings into errors to ensure an array-init overflow is an error.
1073 CFLAGS="$CFLAGS -pedantic-errors"
1075 # Our internal popt code cannot be compiled with pedantic warnings as errors, so try to
1076 # turn off pedantic warnings (which will not lose the error for array-init overflow).
1077 # Older gcc versions don't understand -Wno-pedantic, so check if --help=warnings lists
1078 # -Wpedantic and use that as a flag.
1079 case `$CC --help=warnings 2>/dev/null | grep Wpedantic` in
1080 *-Wpedantic*) CFLAGS="$CFLAGS -pedantic-errors -Wno-pedantic" ;;
1085 AC_MSG_CHECKING([whether to use included libpopt])
1086 if test x"$with_included_popt" = x"yes"; then
1087 AC_MSG_RESULT($srcdir/popt)
1088 BUILD_POPT='$(popt_OBJS)'
1089 CFLAGS="-I$srcdir/popt $CFLAGS"
1090 if test x"$ALLOCA" != x
1092 # this can be removed when/if we add an included alloca.c;
1093 # see autoconf documentation on AC_FUNC_ALLOCA
1094 AC_MSG_WARN([included libpopt will use malloc, not alloca (which wastes a small amount of memory)])
1100 # We default to using our zlib unless --with-included-zlib=no is given.
1101 if test x"$with_included_zlib" != x"no"; then
1102 with_included_zlib=yes
1103 elif test x"$ac_cv_header_zlib_h" != x"yes"; then
1104 with_included_zlib=yes
1106 if test x"$with_included_zlib" != x"yes"; then
1107 AC_CHECK_LIB(z, deflateParams, , [with_included_zlib=yes])
1110 AC_MSG_CHECKING([whether to use included zlib])
1111 if test x"$with_included_zlib" = x"yes"; then
1112 AC_MSG_RESULT($srcdir/zlib)
1113 BUILD_ZLIB='$(zlib_OBJS)'
1114 CFLAGS="-I$srcdir/zlib $CFLAGS"
1116 AC_DEFINE(EXTERNAL_ZLIB, 1, [Define to 1 if using external zlib])
1120 AC_CACHE_CHECK([for unsigned char],rsync_cv_SIGNED_CHAR_OK,[
1121 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[signed char *s = (signed char *)""]])],[rsync_cv_SIGNED_CHAR_OK=yes],[rsync_cv_SIGNED_CHAR_OK=no])])
1122 if test x"$rsync_cv_SIGNED_CHAR_OK" = x"yes"; then
1123 AC_DEFINE(SIGNED_CHAR_OK, 1, [Define to 1 if "signed char" is a valid type])
1126 AC_CACHE_CHECK([for broken readdir],rsync_cv_HAVE_BROKEN_READDIR,[
1127 AC_RUN_IFELSE([AC_LANG_SOURCE([[
1128 #ifdef HAVE_SYS_TYPES_H
1129 #include <sys/types.h>
1132 int main(void) { struct dirent *di; DIR *d = opendir("."); di = readdir(d);
1133 if (di && di->d_name[-2] == '.' && di->d_name[-1] == 0 &&
1134 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])])
1135 if test x"$rsync_cv_HAVE_BROKEN_READDIR" = x"yes"; then
1136 AC_DEFINE(HAVE_BROKEN_READDIR, 1, [Define to 1 if readdir() is broken])
1139 AC_CACHE_CHECK([for utimbuf],rsync_cv_HAVE_STRUCT_UTIMBUF,[
1140 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1141 #ifdef HAVE_SYS_TYPES_H
1142 #include <sys/types.h>
1144 #include <utime.h>]], [[struct utimbuf tbuf; tbuf.actime = 0; tbuf.modtime = 1; return utime("foo.c",&tbuf);]])],[rsync_cv_HAVE_STRUCT_UTIMBUF=yes],[rsync_cv_HAVE_STRUCT_UTIMBUF=no])])
1145 if test x"$rsync_cv_HAVE_STRUCT_UTIMBUF" = x"yes"; then
1146 AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if you have the "struct utimbuf" type])
1149 AC_CACHE_CHECK([if gettimeofday takes tz argument],rsync_cv_HAVE_GETTIMEOFDAY_TZ,[
1150 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/time.h>
1151 #ifdef HAVE_UNISTD_H
1153 #endif]], [[struct timeval tv; return gettimeofday(&tv, NULL);]])],[rsync_cv_HAVE_GETTIMEOFDAY_TZ=yes],[rsync_cv_HAVE_GETTIMEOFDAY_TZ=no])])
1154 if test x"$rsync_cv_HAVE_GETTIMEOFDAY_TZ" != x"no"; then
1155 AC_DEFINE(HAVE_GETTIMEOFDAY_TZ, 1, [Define to 1 if gettimeofday() takes a time-zone arg])
1158 AC_CACHE_CHECK([for C99 vsnprintf],rsync_cv_HAVE_C99_VSNPRINTF,[
1159 AC_RUN_IFELSE([AC_LANG_SOURCE([[
1160 #ifdef HAVE_SYS_TYPES_H
1161 #include <sys/types.h>
1169 void foo(const char *format, ...) {
1172 static char buf[] = "12345678901234567890";
1174 va_start(ap, format);
1175 len = vsnprintf(0, 0, format, ap);
1177 if (len != 5) exit(1);
1179 if (snprintf(buf, 3, "hello") != 5 || strcmp(buf, "he") != 0) exit(1);
1181 int main(void) { foo("hello"); return 0; }
1182 ]])],[rsync_cv_HAVE_C99_VSNPRINTF=yes],[rsync_cv_HAVE_C99_VSNPRINTF=no],[rsync_cv_HAVE_C99_VSNPRINTF=cross])])
1183 if test x"$rsync_cv_HAVE_C99_VSNPRINTF" = x"yes"; then
1184 AC_DEFINE(HAVE_C99_VSNPRINTF, 1, [Define to 1 if vsprintf has a C99-compatible return value])
1188 AC_CACHE_CHECK([for secure mkstemp],rsync_cv_HAVE_SECURE_MKSTEMP,[
1189 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdlib.h>
1190 #ifdef HAVE_SYS_TYPES_H
1191 #include <sys/types.h>
1193 #include <sys/stat.h>
1194 #ifdef HAVE_UNISTD_H
1199 char tpl[20]="/tmp/test.XXXXXX";
1200 int fd = mkstemp(tpl);
1201 if (fd == -1) return 1;
1203 if (fstat(fd, &st) != 0) return 1;
1204 if ((st.st_mode & 0777) != 0600) return 1;
1206 }]])],[rsync_cv_HAVE_SECURE_MKSTEMP=yes],[rsync_cv_HAVE_SECURE_MKSTEMP=no],[rsync_cv_HAVE_SECURE_MKSTEMP=cross])])
1207 if test x"$rsync_cv_HAVE_SECURE_MKSTEMP" = x"yes"; then
1210 dnl HP-UX has a broken mkstemp() implementation they refuse to fix,
1211 dnl so we noisily skip using it. See HP change request JAGaf34426
1212 dnl for details. (sbonds)
1213 AC_MSG_WARN(Skipping broken HP-UX mkstemp() -- using mktemp() instead)
1216 AC_DEFINE(HAVE_SECURE_MKSTEMP, 1, [Define to 1 if mkstemp() is available and works right])
1222 AC_CACHE_CHECK([if mknod creates FIFOs],rsync_cv_MKNOD_CREATES_FIFOS,[
1223 AC_RUN_IFELSE([AC_LANG_SOURCE([[
1225 #include <sys/stat.h>
1228 # include <unistd.h>
1230 int main(void) { int rc, ec; char *fn = "fifo-test";
1231 unlink(fn); rc = mknod(fn,S_IFIFO,0600); ec = errno; unlink(fn);
1232 if (rc) {printf("(%d %d) ",rc,ec); return ec;}
1233 return 0;}]])],[rsync_cv_MKNOD_CREATES_FIFOS=yes],[rsync_cv_MKNOD_CREATES_FIFOS=no],[rsync_cv_MKNOD_CREATES_FIFOS=cross])])
1234 if test x"$rsync_cv_MKNOD_CREATES_FIFOS" = x"yes"; then
1235 AC_DEFINE(MKNOD_CREATES_FIFOS, 1, [Define to 1 if mknod() can create FIFOs.])
1238 AC_CACHE_CHECK([if mknod creates sockets],rsync_cv_MKNOD_CREATES_SOCKETS,[
1239 AC_RUN_IFELSE([AC_LANG_SOURCE([[
1241 #include <sys/stat.h>
1244 # include <unistd.h>
1246 int main(void) { int rc, ec; char *fn = "sock-test";
1247 unlink(fn); rc = mknod(fn,S_IFSOCK,0600); ec = errno; unlink(fn);
1248 if (rc) {printf("(%d %d) ",rc,ec); return ec;}
1249 return 0;}]])],[rsync_cv_MKNOD_CREATES_SOCKETS=yes],[rsync_cv_MKNOD_CREATES_SOCKETS=no],[rsync_cv_MKNOD_CREATES_SOCKETS=cross])])
1250 if test x"$rsync_cv_MKNOD_CREATES_SOCKETS" = x"yes"; then
1251 AC_DEFINE(MKNOD_CREATES_SOCKETS, 1, [Define to 1 if mknod() can create sockets.])
1255 # The following test was mostly taken from the tcl/tk plus patches
1257 AC_CACHE_CHECK([whether -c -o works],rsync_cv_DASHC_WORKS_WITH_DASHO,[
1259 cat > conftest.$ac_ext <<EOF
1260 int main(void) { return 0; }
1262 ${CC-cc} -c -o conftest..o conftest.$ac_ext
1263 if test -f conftest..o; then
1264 rsync_cv_DASHC_WORKS_WITH_DASHO=yes
1266 rsync_cv_DASHC_WORKS_WITH_DASHO=no
1270 if test x"$rsync_cv_DASHC_WORKS_WITH_DASHO" = x"yes"; then
1273 CC_SHOBJ_FLAG='-o $@'
1275 OBJ_SAVE=' @b=`basename $@ .o`;rm -f $$b.o.sav;if test -f $$b.o; then mv $$b.o $$b.o.sav;fi;'
1276 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'
1281 AC_SUBST(OBJ_RESTORE)
1282 AC_SUBST(CC_SHOBJ_FLAG)
1283 AC_SUBST(BUILD_POPT)
1284 AC_SUBST(BUILD_ZLIB)
1285 AC_SUBST(MAKE_RRSYNC)
1286 AC_SUBST(MAKE_RRSYNC_1)
1287 AC_SUBST(GEN_RRSYNC)
1290 AC_CHECK_FUNCS(_acl __acl _facl __facl)
1291 #################################################
1292 # check for ACL support
1294 AC_MSG_CHECKING([whether to support ACLs])
1295 AC_ARG_ENABLE(acl-support,
1296 AS_HELP_STRING([--disable-acl-support],[disable to omit ACL support]))
1298 if test x"$enable_acl_support" = x"no"; then
1303 AC_MSG_RESULT(Using UnixWare ACLs)
1304 AC_DEFINE(HAVE_UNIXWARE_ACLS, 1, [true if you have UnixWare ACLs])
1305 AC_DEFINE(SUPPORT_ACLS, 1, [Define to 1 to add support for ACLs])
1308 AC_MSG_RESULT(Using solaris ACLs)
1309 AC_DEFINE(HAVE_SOLARIS_ACLS, 1, [true if you have solaris ACLs])
1310 AC_DEFINE(SUPPORT_ACLS, 1)
1313 AC_MSG_RESULT(Using IRIX ACLs)
1314 AC_DEFINE(HAVE_IRIX_ACLS, 1, [true if you have IRIX ACLs])
1315 AC_DEFINE(SUPPORT_ACLS, 1)
1318 AC_MSG_RESULT(Using AIX ACLs)
1319 AC_DEFINE(HAVE_AIX_ACLS, 1, [true if you have AIX ACLs])
1320 AC_DEFINE(SUPPORT_ACLS, 1)
1323 AC_MSG_RESULT(Using Tru64 ACLs)
1324 AC_DEFINE(HAVE_TRU64_ACLS, 1, [true if you have Tru64 ACLs])
1325 AC_DEFINE(SUPPORT_ACLS, 1)
1329 AC_MSG_RESULT(Using OS X ACLs)
1330 AC_DEFINE(HAVE_OSX_ACLS, 1, [true if you have Mac OS X ACLs])
1331 AC_DEFINE(SUPPORT_ACLS, 1)
1334 AC_MSG_RESULT(Using HPUX ACLs)
1335 AC_DEFINE(HAVE_HPUX_ACLS, 1, [true if you have HPUX ACLs])
1336 AC_DEFINE(SUPPORT_ACLS, 1)
1339 AC_MSG_RESULT(running tests:)
1340 AC_CHECK_LIB(acl,acl_get_file)
1341 AC_CACHE_CHECK([for ACL support],samba_cv_HAVE_POSIX_ACLS,[
1342 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1343 #ifdef HAVE_SYS_TYPES_H
1344 #include <sys/types.h>
1346 #ifdef HAVE_SYS_ACL_H
1347 #include <sys/acl.h>
1348 #endif]], [[ acl_t acl; int entry_id; acl_entry_t *entry_p; return acl_get_entry( acl, entry_id, entry_p);]])],[samba_cv_HAVE_POSIX_ACLS=yes],[samba_cv_HAVE_POSIX_ACLS=no])])
1349 AC_MSG_CHECKING(ACL test results)
1350 if test x"$samba_cv_HAVE_POSIX_ACLS" = x"yes"; then
1351 AC_MSG_RESULT(Using posix ACLs)
1352 AC_DEFINE(HAVE_POSIX_ACLS, 1, [true if you have posix ACLs])
1353 AC_DEFINE(SUPPORT_ACLS, 1)
1354 AC_CACHE_CHECK([for acl_get_perm_np],samba_cv_HAVE_ACL_GET_PERM_NP,[
1355 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1356 #ifdef HAVE_SYS_TYPES_H
1357 #include <sys/types.h>
1359 #ifdef HAVE_SYS_ACL_H
1360 #include <sys/acl.h>
1361 #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])])
1362 if test x"$samba_cv_HAVE_ACL_GET_PERM_NP" = x"yes"; then
1363 AC_DEFINE(HAVE_ACL_GET_PERM_NP, 1, [true if you have acl_get_perm_np])
1366 if test x"$enable_acl_support" = x"yes"; then
1367 AC_MSG_ERROR(Failed to find ACL support)
1369 AC_MSG_RESULT(No ACL support found)
1376 #################################################
1377 # check for extended attribute support
1378 AC_MSG_CHECKING(whether to support extended attributes)
1379 AC_ARG_ENABLE(xattr-support,
1380 AS_HELP_STRING([--disable-xattr-support],[disable to omit extended attributes]),
1381 [], [case "$ac_cv_func_getxattr$ac_cv_func_extattr_get_link$ac_cv_func_attropen" in
1382 *yes*) enable_xattr_support=maybe ;;
1383 *) enable_xattr_support=no ;;
1385 AH_TEMPLATE([SUPPORT_XATTRS],
1386 [Define to 1 to add support for extended attributes])
1387 if test x"$enable_xattr_support" = x"no"; then
1391 *linux*|*netbsd*|*cygwin*)
1392 AC_MSG_RESULT(Using Linux xattrs)
1393 AC_DEFINE(HAVE_LINUX_XATTRS, 1, [True if you have Linux xattrs (or equivalent)])
1394 AC_DEFINE(SUPPORT_XATTRS, 1)
1395 AC_DEFINE(NO_SYMLINK_USER_XATTRS, 1, [True if symlinks do not support user xattrs])
1396 AC_CHECK_LIB(attr,getxattr)
1399 AC_MSG_RESULT(Using OS X xattrs)
1400 AC_DEFINE(HAVE_OSX_XATTRS, 1, [True if you have Mac OS X xattrs])
1401 AC_DEFINE(SUPPORT_XATTRS, 1)
1402 AC_DEFINE(NO_DEVICE_XATTRS, 1, [True if device files do not support xattrs])
1403 AC_DEFINE(NO_SPECIAL_XATTRS, 1, [True if special files do not support xattrs])
1406 AC_MSG_RESULT(Using FreeBSD extattrs)
1407 AC_DEFINE(HAVE_FREEBSD_XATTRS, 1, [True if you have FreeBSD xattrs])
1408 AC_DEFINE(SUPPORT_XATTRS, 1)
1411 AC_MSG_RESULT(Using Solaris xattrs)
1412 AC_DEFINE(HAVE_SOLARIS_XATTRS, 1, [True if you have Solaris xattrs])
1413 AC_DEFINE(SUPPORT_XATTRS, 1)
1414 AC_DEFINE(NO_SYMLINK_XATTRS, 1, [True if symlinks do not support xattrs])
1417 if test x"$enable_xattr_support" = x"yes"; then
1418 AC_MSG_ERROR(Failed to find extended attribute support)
1420 AC_MSG_RESULT(No extended attribute support found)
1426 if test x"$enable_acl_support" = x"no" || test x"$enable_xattr_support" = x"no" || test x"$enable_iconv" = x"no"; then
1427 AC_MSG_CHECKING([whether $CC supports -Wno-unused-parameter])
1428 OLD_CFLAGS="$CFLAGS"
1429 CFLAGS="$CFLAGS -Wno-unused-parameter"
1430 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>]], [[printf("hello\n");]])],[rsync_warn_flag=yes],[rsync_warn_flag=no])
1431 AC_MSG_RESULT([$rsync_warn_flag])
1432 if test x"$rsync_warn_flag" = x"no"; then
1433 CFLAGS="$OLD_CFLAGS"
1438 ' checker'*|checker*)
1439 AC_DEFINE(FORCE_FD_ZERO_MEMSET, 1, [Used to make "checker" understand that FD_ZERO() clears memory.])
1443 AC_CONFIG_FILES([Makefile lib/dummy zlib/dummy popt/dummy shconfig])
1447 AC_MSG_RESULT([ rsync $PACKAGE_VERSION configuration successful])