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="$no_lib md2man"
123 # Specifically, this turns on panic_action handling.
124 AC_ARG_ENABLE(maintainer-mode,
125 AS_HELP_STRING([--enable-maintainer-mode],[enable to turn on extra debug features]))
126 if test x"$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"
139 AC_ARG_WITH(included-popt,
140 AS_HELP_STRING([--with-included-popt],[use bundled popt library, not from system]))
142 AC_ARG_WITH(included-zlib,
143 AS_HELP_STRING([--with-included-zlib],[use bundled zlib library, not from system]))
145 AC_ARG_WITH(protected-args,
146 AS_HELP_STRING([--with-protected-args],[make --protected-args option the default]))
147 if test x"$with_protected_args" = x"yes"; then
148 AC_DEFINE_UNQUOTED(RSYNC_USE_PROTECTED_ARGS, 1, [Define to 1 if --protected-args should be the default])
151 AC_ARG_WITH(rsync-path,
152 AS_HELP_STRING([--with-rsync-path=PATH],[set default --rsync-path to PATH (default: rsync)]),
153 [ RSYNC_PATH="$with_rsync_path" ],
154 [ RSYNC_PATH="rsync" ])
156 AC_DEFINE_UNQUOTED(RSYNC_PATH, "$RSYNC_PATH", [location of rsync on remote machine])
158 AC_ARG_WITH(rsyncd-conf,
159 AS_HELP_STRING([--with-rsyncd-conf=PATH],[set configuration file for rsync server to PATH (default: /etc/rsyncd.conf)]),
160 [ if test ! -z "$with_rsyncd_conf" ; then
161 case $with_rsyncd_conf in
163 RSYNCD_SYSCONF="/etc/rsyncd.conf"
166 RSYNCD_SYSCONF="$with_rsyncd_conf"
169 AC_MSG_ERROR(You must specify an absolute path to --with-rsyncd-conf=PATH)
173 RSYNCD_SYSCONF="/etc/rsyncd.conf"
175 [ RSYNCD_SYSCONF="/etc/rsyncd.conf" ])
177 AC_DEFINE_UNQUOTED(RSYNCD_SYSCONF, "$RSYNCD_SYSCONF", [location of configuration file for rsync server])
180 AS_HELP_STRING([--with-rsh=CMD],[set remote shell command to CMD (default: ssh)]))
182 AC_CHECK_PROG(HAVE_REMSH, remsh, 1, 0)
183 if test x$HAVE_REMSH = x1; then
184 AC_DEFINE(HAVE_REMSH, 1, [Define to 1 if remote shell is remsh, not rsh])
187 if test x"$with_rsh" != x; then
188 RSYNC_RSH="$with_rsh"
192 AC_DEFINE_UNQUOTED(RSYNC_RSH, "$RSYNC_RSH", [default -e command])
194 # Some programs on solaris are only found in /usr/xpg4/bin (or work better than others versions).
195 AC_PATH_PROG(SHELL_PATH, sh, /bin/sh, [/usr/xpg4/bin$PATH_SEPARATOR$PATH])
196 AC_PATH_PROG(FAKEROOT_PATH, fakeroot, /usr/bin/fakeroot, [/usr/xpg4/bin$PATH_SEPARATOR$PATH])
198 AC_ARG_WITH(nobody-user,
199 AS_HELP_STRING([--with-nobody-user=USER],[set the default unprivileged user (default nobody)]),
200 [ NOBODY_USER="$with_nobody_user" ],
201 [ NOBODY_USER="nobody" ])
203 AC_ARG_WITH(nobody-group,
204 AS_HELP_STRING([--with-nobody-group=GROUP],[set the default unprivileged group (default nobody or nogroup)]),
205 [ NOBODY_GROUP="$with_nobody_group" ])
207 if test x"$with_nobody_group" = x; then
208 AC_MSG_CHECKING([the group for user "nobody"])
209 if grep '^nobody:' /etc/group >/dev/null 2>&1; then
211 elif grep '^nogroup:' /etc/group >/dev/null 2>&1; then
214 NOBODY_GROUP=nobody # test for others?
216 AC_MSG_RESULT($NOBODY_GROUP)
219 AC_DEFINE_UNQUOTED(NOBODY_USER, "$NOBODY_USER", [unprivileged user--e.g. nobody])
220 AC_DEFINE_UNQUOTED(NOBODY_GROUP, "$NOBODY_GROUP", [unprivileged group for unprivileged user])
225 AC_MSG_CHECKING([whether to enable SIMD optimizations])
227 AS_HELP_STRING([--enable-simd],[enable/disable to control SIMD optimizations (requires c++)]))
229 # Clag is crashing with -g -O2, so we'll get rid of -g for now.
230 CXXFLAGS=`echo "$CXXFLAGS" | sed 's/-g //'`
231 m4_define(SIMD_X86_64_TEST, [[#include <stdio.h>
235 #include <immintrin.h>
236 __attribute__ ((target("default"))) int test_ssse3(int x) { return x; }
237 __attribute__ ((target("default"))) int test_sse2(int x) { return x; }
238 __attribute__ ((target("default"))) int test_avx2(int x) { return x; }
239 __attribute__ ((target("ssse3"))) int test_ssse3(int x) { return x; }
240 __attribute__ ((target("sse2"))) int test_sse2(int x) { return x; }
241 __attribute__ ((target("avx2"))) int test_avx2(int x) { return x; }
242 typedef long long __m128i_u __attribute__((__vector_size__(16), __may_alias__, __aligned__(1)));
243 typedef long long __m256i_u __attribute__((__vector_size__(32), __may_alias__, __aligned__(1)));
244 __attribute__ ((target("default"))) void more_testing(char* buf, int len) { }
245 __attribute__ ((target("ssse3"))) void more_testing(char* buf, int len)
248 for (i = 0; i < (len-32); i+=32) {
249 __m128i in8_1, in8_2;
250 in8_1 = _mm_lddqu_si128((__m128i_u*)&buf[i]);
251 in8_2 = _mm_lddqu_si128((__m128i_u*)&buf[i + 16]);
256 if test x"$enable_simd" = x""; then
263 if test x"$enable_simd" != x"no"; then
264 # For x86-64 SIMD, g++ >=5 or clang++ >=7 is required
265 if test x"$host_cpu" = x"x86_64" -o x"$host_cpu" = x"amd64"; then
267 if test x"$host_cpu" = x"$build_cpu"; then
268 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);]])],
269 [CXX_OK=yes],[CXX_OK=no])
271 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([SIMD_X86_64_TEST])],[CXX_OK=yes],[CXX_OK=no])
274 if test x"$CXX_OK" = x"yes"; then
275 # AC_MSG_RESULT() is called below.
277 elif test x"$enable_simd" = x"yes"; then
279 AC_MSG_ERROR(The SIMD compilation test failed.
280 Omit --enable-simd to continue without it.)
282 elif test x"$enable_simd" = x"yes"; then
283 AC_MSG_RESULT(unavailable)
284 AC_MSG_ERROR(The SIMD optimizations are currently x86_64|amd64 only.
285 Omit --enable-simd to continue without it.)
289 if test x"$SIMD" != x""; then
290 AC_MSG_RESULT([yes ($SIMD)])
291 AC_DEFINE(HAVE_SIMD, 1, [Define to 1 to enable SIMD optimizations])
292 SIMD='$(SIMD_'"$SIMD)"
293 # We only use c++ for its target attribute dispatching, disable unneeded bulky features
294 CXXFLAGS="$CXXFLAGS -fno-exceptions -fno-rtti"
295 # Apple often has "g++" as a symlink for clang. Try to find out the truth.
296 CXX_VERSION=`$CXX --version 2>/dev/null | head -n 2`
297 case "$CXX_VERSION" in
298 *clang*) CXXFLAGS="$CXXFLAGS -fno-slp-vectorize" ;; # avoid a performance hit
306 AC_MSG_CHECKING([if assembler accepts noexecstack])
308 CFLAGS="$CFLAGS -Wa,--noexecstack"
309 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[return 0;]])],
310 [ NOEXECSTACK='-Wa,--noexecstack' ; AC_MSG_RESULT(yes) ],
311 [ NOEXECSTACK='' ; AC_MSG_RESULT(no) ])
313 AC_SUBST(NOEXECSTACK)
317 AC_MSG_CHECKING([whether to enable ASM optimizations])
319 AS_HELP_STRING([--enable-asm],[enable/disable to control ASM optimizations]))
321 if test x"$enable_asm" = x""; then
328 if test x"$enable_asm" != x"no"; then
329 if test x"$host_cpu" = x"x86_64" -o x"$host_cpu" = x"amd64"; then
331 elif test x"$enable_asm" = x"yes"; then
332 AC_MSG_RESULT(unavailable)
333 AC_MSG_ERROR(The ASM optimizations are currently x86_64|amd64 only.
334 Omit --enable-asm to continue without it.)
338 if test x"$ASM" != x""; then
339 AC_MSG_RESULT([yes ($ASM)])
340 AC_DEFINE(HAVE_ASM, 1, [Define to 1 to enable ASM optimizations])
348 # arrgh. libc in some old debian version screwed up the largefile
349 # stuff, getting byte range locking wrong
350 AC_CACHE_CHECK([for broken largefile support],rsync_cv_HAVE_BROKEN_LARGEFILE,[
351 AC_RUN_IFELSE([AC_LANG_SOURCE([[
352 #define _FILE_OFFSET_BITS 64
355 #ifdef HAVE_SYS_TYPES_H
356 #include <sys/types.h>
358 #include <sys/wait.h>
367 char tpl[32] = "/tmp/locktest.XXXXXX";
368 int fd = mkstemp(tpl);
370 strcpy(tpl, "conftest.dat");
371 fd = open(tpl, O_CREAT|O_RDWR, 0600);
374 lock.l_type = F_WRLCK;
375 lock.l_whence = SEEK_SET;
379 fcntl(fd,F_SETLK,&lock);
382 _exit(fcntl(fd,F_SETLK,&lock) == 0);
386 return WEXITSTATUS(status);
388 ]])],[rsync_cv_HAVE_BROKEN_LARGEFILE=yes],[rsync_cv_HAVE_BROKEN_LARGEFILE=no],[rsync_cv_HAVE_BROKEN_LARGEFILE=cross])])
389 if test x"$rsync_cv_HAVE_BROKEN_LARGEFILE" != x"yes"; then
393 AC_MSG_CHECKING([whether to enable ipv6])
395 AS_HELP_STRING([--disable-ipv6],[disable to omit ipv6 support]),
396 [ case "$enableval" in
400 *) AC_MSG_RESULT(yes)
401 AC_DEFINE(INET6, 1, [true if you have IPv6])
405 AC_TRY_RUN([ /* AF_INET6 avalable check */
407 #include <sys/types.h>
408 #include <sys/socket.h>
411 if (socket(AF_INET6, SOCK_STREAM, 0) < 0)
418 AC_DEFINE(INET6, 1, [true if you have IPv6]),
423 dnl Do you want to disable use of locale functions
424 AC_ARG_ENABLE([locale],
425 AS_HELP_STRING([--disable-locale],[disable to omit locale features]))
426 AH_TEMPLATE([CONFIG_LOCALE],
427 [Undefine if you do not want locale features. By default this is defined.])
428 if test x"$enable_locale" != x"no"; then
429 AC_DEFINE(CONFIG_LOCALE)
432 AC_MSG_CHECKING([whether to call shutdown on all sockets])
434 *cygwin* ) AC_MSG_RESULT(yes)
435 AC_DEFINE(SHUTDOWN_ALL_SOCKETS, 1,
436 [Define to 1 if sockets need to be shutdown])
438 * ) AC_MSG_RESULT(no);;
441 AC_MSG_CHECKING([whether to enable use of openssl crypto library])
442 AC_ARG_ENABLE([openssl],
443 AS_HELP_STRING([--disable-openssl],[disable to omit openssl crypto library]))
444 AH_TEMPLATE([USE_OPENSSL],
445 [Undefine if you do not want to use openssl crypto library. By default this is defined.])
446 if test x"$enable_openssl" != x"no"; then
447 if test x"$ac_cv_header_openssl_md4_h" = x"yes" && test x"$ac_cv_header_openssl_md5_h" = x"yes"; then
449 AC_SEARCH_LIBS(MD5_Init, crypto,
450 [AC_DEFINE(USE_OPENSSL)],
451 [err_msg="$err_msg$nl- Failed to find MD5_Init function in openssl crypto lib.";
452 no_lib="$no_lib openssl"])
455 err_msg="$err_msg$nl- Failed to find openssl/md4.h and openssl/md5.h for openssl crypto lib support."
456 no_lib="$no_lib openssl"
462 AC_MSG_CHECKING([whether to enable xxhash checksum support])
463 AC_ARG_ENABLE([xxhash],
464 AS_HELP_STRING([--disable-xxhash],[disable to omit xxhash checksums]))
465 AH_TEMPLATE([SUPPORT_XXHASH],
466 [Undefine if you do not want xxhash checksums. By default this is defined.])
467 if test x"$enable_xxhash" != x"no"; then
468 if test x"$ac_cv_header_xxhash_h" = x"yes"; then
470 AC_SEARCH_LIBS(XXH64_createState, xxhash,
471 [AC_DEFINE(SUPPORT_XXHASH)],
472 [err_msg="$err_msg$nl- Failed to find XXH64_createState function in xxhash lib.";
473 no_lib="$no_lib xxhash"])
476 err_msg="$err_msg$nl- Failed to find xxhash.h for xxhash checksum support.";
477 no_lib="$no_lib xxhash"
483 AC_MSG_CHECKING([whether to enable zstd compression])
484 AC_ARG_ENABLE([zstd],
485 AC_HELP_STRING([--disable-zstd], [disable to omit zstd compression]))
486 AH_TEMPLATE([SUPPORT_ZSTD],
487 [Undefine if you do not want zstd compression. By default this is defined.])
488 if test x"$enable_zstd" != x"no"; then
489 if test x"$ac_cv_header_zstd_h" = x"yes"; then
491 AC_SEARCH_LIBS(ZSTD_minCLevel, zstd,
492 [AC_DEFINE(SUPPORT_ZSTD)],
493 [err_msg="$err_msg$nl- Failed to find ZSTD_minCLevel function in zstd lib.";
494 no_lib="$no_lib zstd"])
497 err_msg="$err_msg$nl- Failed to find zstd.h for zstd compression support.";
498 no_lib="$no_lib zstd"
504 AC_MSG_CHECKING([whether to enable LZ4 compression])
506 AC_HELP_STRING([--disable-lz4], [disable to omit LZ4 compression]))
507 AH_TEMPLATE([SUPPORT_LZ4],
508 [Undefine if you do not want LZ4 compression. By default this is defined.])
509 if test x"$enable_lz4" != x"no"; then
510 if test x"$ac_cv_header_lz4_h" = x"yes"; then
512 AC_SEARCH_LIBS(LZ4_compress_default, lz4,
513 [AC_DEFINE(SUPPORT_LZ4)],
514 [err_msg="$err_msg$nl- Failed to find LZ4_compress_default function in lz4 lib.";
515 no_lib="$no_lib lz4"])
518 err_msg="$err_msg$nl- Failed to find lz4.h for lz4 compression support."
525 if test x"$no_lib" != x; then
527 echo "Configure found the following issues:"
530 echo "See the INSTALL file for hints on how to install the missing libraries and/or"
531 echo "how to generate (or fetch) man pages:"
532 echo " https://github.com/WayneD/rsync/blob/master/INSTALL.md"
534 echo "To disable one or more features, the relevant configure options are:"
535 for lib in $no_lib; do
536 echo " --disable-$lib"
539 AC_MSG_ERROR(Aborting configure run)
542 AC_CACHE_CHECK([if makedev takes 3 args],rsync_cv_MAKEDEV_TAKES_3_ARGS,[
543 AC_RUN_IFELSE([AC_LANG_SOURCE([[
544 #ifdef HAVE_SYS_TYPES_H
545 #include <sys/types.h>
547 #ifdef MAJOR_IN_MKDEV
548 #include <sys/mkdev.h>
549 # if !defined makedev && (defined mkdev || defined _WIN32 || defined __WIN32__)
550 # define makedev mkdev
552 #elif defined MAJOR_IN_SYSMACROS
553 #include <sys/sysmacros.h>
558 dev_t dev = makedev(0, 5, 7);
559 if (major(dev) != 5 || minor(dev) != 7)
563 ]])],[rsync_cv_MAKEDEV_TAKES_3_ARGS=yes],[rsync_cv_MAKEDEV_TAKES_3_ARGS=no],[rsync_cv_MAKEDEV_TAKES_3_ARGS=no])])
564 if test x"$rsync_cv_MAKEDEV_TAKES_3_ARGS" = x"yes"; then
565 AC_DEFINE(MAKEDEV_TAKES_3_ARGS, 1, [Define to 1 if makedev() takes 3 args])
569 AC_CHECK_SIZEOF(long)
570 AC_CHECK_SIZEOF(long long)
571 AC_CHECK_SIZEOF(short)
572 AC_CHECK_SIZEOF(int16_t)
573 AC_CHECK_SIZEOF(uint16_t)
574 AC_CHECK_SIZEOF(int32_t)
575 AC_CHECK_SIZEOF(uint32_t)
576 AC_CHECK_SIZEOF(int64_t)
577 AC_CHECK_SIZEOF(off_t)
578 AC_CHECK_SIZEOF(off64_t)
579 AC_CHECK_SIZEOF(time_t)
580 AC_CHECK_SIZEOF(char*)
584 AC_TYPE_LONG_DOUBLE_WIDER
585 ac_cv_c_long_double=$ac_cv_type_long_double_wider
586 if test $ac_cv_c_long_double = yes; then
587 AC_DEFINE([HAVE_LONG_DOUBLE],[1],[Define to 1 if the type `long double' works and has more range or precision than `double'.])
591 AC_CHECK_TYPES([mode_t,off_t,size_t,pid_t,id_t])
593 AC_CHECK_MEMBERS([struct stat.st_rdev,
594 struct stat.st_mtimensec,
595 struct stat.st_mtimespec.tv_nsec,
596 struct stat.st_mtim.tv_nsec],,,[
597 #ifdef HAVE_SYS_TYPES_H
598 #include <sys/types.h>
600 #ifdef HAVE_SYS_STAT_H
601 #include <sys/stat.h>
609 AC_CACHE_CHECK([for errno in errno.h],rsync_cv_errno, [
610 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <errno.h>]], [[int i = errno]])],[rsync_cv_errno=yes],[rsync_cv_have_errno_decl=no])])
611 if test x"$rsync_cv_errno" = x"yes"; then
612 AC_DEFINE(HAVE_ERRNO_DECL, 1, [Define to 1 if errno is declared in errno.h])
615 # The following test taken from the cvs sources
616 # If we can't find connect, try looking in -lsocket, -lnsl, and -linet.
617 # These need checks to be before checks for any other functions that
618 # might be in the same libraries.
619 # The Irix 5 libc.so has connect and gethostbyname, but Irix 5 also has
620 # libsocket.so which has a bad implementation of gethostbyname (it
621 # only looks in /etc/hosts), so we only look for -lsocket if we need
623 AC_CHECK_FUNCS(connect)
624 if test x"$ac_cv_func_connect" = x"no"; then
627 *) AC_CHECK_LIB(nsl_s, printf) ;;
631 *) AC_CHECK_LIB(nsl, printf) ;;
635 *) AC_CHECK_LIB(socket, connect) ;;
639 *) AC_CHECK_LIB(inet, connect) ;;
641 dnl We can't just call AC_CHECK_FUNCS(connect) here, because the value
643 if test x"$ac_cv_lib_socket_connect" = x"yes" ||
644 test x"$ac_cv_lib_inet_connect" = x"yes"; then
645 # ac_cv_func_connect=yes
646 # don't! it would cause AC_CHECK_FUNC to succeed next time configure is run
647 AC_DEFINE(HAVE_CONNECT, 1, [Define to 1 if you have the "connect" function])
651 AC_SEARCH_LIBS(inet_ntop, resolv)
653 # For OS X, Solaris, HP-UX, etc.: figure out if -liconv is needed. We'll
654 # accept either iconv_open or libiconv_open, since some include files map
655 # the former to the latter.
656 AC_SEARCH_LIBS(iconv_open, iconv)
657 AC_SEARCH_LIBS(libiconv_open, iconv)
659 AC_MSG_CHECKING([for iconv declaration])
660 AC_CACHE_VAL(am_cv_proto_iconv, [
661 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
670 #if defined(__STDC__) || defined(__cplusplus)
671 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
675 ]], [[]])],[am_cv_proto_iconv_arg1=""],[am_cv_proto_iconv_arg1="const"])
676 am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"])
677 am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed 's/( /(/'`
678 AC_MSG_RESULT([$]{ac_t:-
679 }[$]am_cv_proto_iconv)
680 AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1,
681 [Define as const if the declaration of iconv() needs const.])
683 dnl AC_MSG_NOTICE([Looking in libraries: $LIBS])
685 AC_REPLACE_FUNCS([inet_ntop inet_pton])
687 AC_HAVE_TYPE([struct addrinfo], [#include <netdb.h>])
688 AC_HAVE_TYPE([struct sockaddr_storage], [
689 #ifdef HAVE_SYS_TYPES_H
690 #include <sys/types.h>
692 #ifdef HAVE_SYS_SOCKET_H
693 #include <sys/socket.h>
696 # Irix 6.5 has getaddrinfo but not the corresponding defines, so use
697 # builtin getaddrinfo if one of the defines don't exist
698 AC_CACHE_CHECK([whether defines needed by getaddrinfo exist],
699 rsync_cv_HAVE_GETADDR_DEFINES,[
701 #ifdef HAVE_SYS_TYPES_H
702 #include <sys/types.h>
704 #ifdef HAVE_SYS_SOCKET_H
705 #include <sys/socket.h>
713 rsync_cv_HAVE_GETADDR_DEFINES=yes,
714 rsync_cv_HAVE_GETADDR_DEFINES=no)])
715 AS_IF([test x"$rsync_cv_HAVE_GETADDR_DEFINES" = x"yes" -a x"$ac_cv_type_struct_addrinfo" = x"yes"],[
716 # Tru64 UNIX has getaddrinfo() but has it renamed in libc as
717 # something else so we must include <netdb.h> to get the
719 AC_CHECK_FUNCS(getaddrinfo, ,
720 [AC_MSG_CHECKING([for getaddrinfo by including <netdb.h>])
721 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
722 #ifdef HAVE_SYS_TYPES_H
723 #include <sys/types.h>
725 #ifdef HAVE_SYS_SOCKET_H
726 #include <sys/socket.h>
728 #include <netdb.h>]], [[getaddrinfo(NULL, NULL, NULL, NULL);]])],[AC_MSG_RESULT([yes])
729 AC_DEFINE(HAVE_GETADDRINFO, 1,
730 [Define to 1 if you have the "getaddrinfo" function and required types.])],[AC_MSG_RESULT([no])
731 AC_LIBOBJ([getaddrinfo])])])
732 ],[AC_LIBOBJ([getaddrinfo])])
734 AC_CHECK_MEMBER([struct sockaddr.sa_len],
735 [ AC_DEFINE(HAVE_SOCKADDR_LEN, 1, [Do we have sockaddr.sa_len?]) ],
738 #ifdef HAVE_SYS_TYPES_H
739 #include <sys/types.h>
741 #ifdef HAVE_SYS_SOCKET_H
742 #include <sys/socket.h>
746 AC_CHECK_MEMBER([struct sockaddr_in.sin_len],
747 [ AC_DEFINE(HAVE_SOCKADDR_IN_LEN, 1, [Do we have sockaddr_in.sin_len?]) ],
750 #ifdef HAVE_SYS_TYPES_H
751 #include <sys/types.h>
753 #ifdef HAVE_SYS_SOCKET_H
754 #include <sys/socket.h>
756 #include <netinet/in.h>
759 AC_CHECK_MEMBER([struct sockaddr_un.sun_len],
760 [ AC_DEFINE(HAVE_SOCKADDR_UN_LEN, 1, [Do we have sockaddr_un.sun_len?]) ],
763 #ifdef HAVE_SYS_TYPES_H
764 #include <sys/types.h>
766 #ifdef HAVE_SYS_SOCKET_H
767 #include <sys/socket.h>
769 #include <netinet/in.h>
772 AC_CHECK_MEMBER([struct sockaddr_in6.sin6_scope_id],
773 [ AC_DEFINE(HAVE_SOCKADDR_IN6_SCOPE_ID, 1, [Do we have sockaddr_in6.sin6_scope_id?]) ],
776 #ifdef HAVE_SYS_TYPES_H
777 #include <sys/types.h>
779 #ifdef HAVE_SYS_SOCKET_H
780 #include <sys/socket.h>
782 #include <netinet/in.h>
785 AC_HAVE_TYPE([struct stat64], [#include <stdio.h>
787 # include <sys/types.h>
790 # include <sys/stat.h>
802 # if we can't find strcasecmp, look in -lresolv (for Unixware at least)
804 AC_CHECK_FUNCS(strcasecmp)
805 if test x"$ac_cv_func_strcasecmp" = x"no"; then
806 AC_CHECK_LIB(resolv, strcasecmp)
809 AC_CHECK_FUNCS(aclsort)
810 if test x"$ac_cv_func_aclsort" = x"no"; then
811 AC_CHECK_LIB(sec, aclsort)
814 dnl At the moment we don't test for a broken memcmp(), because all we
815 dnl need to do is test for equality, not comparison, and it seems that
816 dnl every platform has a memcmp that can do at least that.
821 AC_CHECK_FUNCS(waitpid wait4 getcwd chown chmod lchmod mknod mkfifo \
822 fchmod fstat ftruncate strchr readlink link utime utimes lutimes strftime \
823 chflags getattrlist mktime innetgr linkat \
824 memmove lchown vsnprintf snprintf vasprintf asprintf setsid strpbrk \
825 strlcat strlcpy strtol mallinfo getgroups setgroups geteuid getegid \
826 setlocale setmode open64 lseek64 mkstemp64 mtrace va_copy __va_copy \
827 seteuid strerror putenv iconv_open locale_charset nl_langinfo getxattr \
828 extattr_get_link sigaction sigprocmask setattrlist getgrouplist \
829 initgroups utimensat posix_fallocate attropen setvbuf nanosleep usleep \
832 dnl cygwin iconv.h defines iconv_open as libiconv_open
833 if test x"$ac_cv_func_iconv_open" != x"yes"; then
834 AC_CHECK_FUNC(libiconv_open, [ac_cv_func_iconv_open=yes; AC_DEFINE(HAVE_ICONV_OPEN, 1)])
837 dnl Preallocation stuff (also fallocate, posix_fallocate function tests above):
839 AC_CACHE_CHECK([for useable fallocate],rsync_cv_have_fallocate,[
840 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <fcntl.h>
841 #ifdef HAVE_SYS_TYPES_H
842 #include <sys/types.h>
843 #endif]], [[fallocate(0, 0, 0, 0);]])],[rsync_cv_have_fallocate=yes],[rsync_cv_have_fallocate=no])])
844 if test x"$rsync_cv_have_fallocate" = x"yes"; then
845 AC_DEFINE(HAVE_FALLOCATE, 1, [Define to 1 if you have the fallocate function and it compiles and links without error])
848 AC_MSG_CHECKING([for FALLOC_FL_PUNCH_HOLE])
849 AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
850 #define _GNU_SOURCE 1
851 #include <linux/falloc.h>
852 #ifndef FALLOC_FL_PUNCH_HOLE
853 #error FALLOC_FL_PUNCH_HOLE is missing
857 AC_DEFINE([HAVE_FALLOC_FL_PUNCH_HOLE], [1], [Define if FALLOC_FL_PUNCH_HOLE is available.])
863 AC_MSG_CHECKING([for FALLOC_FL_ZERO_RANGE])
864 AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
865 #define _GNU_SOURCE 1
866 #include <linux/falloc.h>
867 #ifndef FALLOC_FL_ZERO_RANGE
868 #error FALLOC_FL_ZERO_RANGE is missing
872 AC_DEFINE([HAVE_FALLOC_FL_ZERO_RANGE], [1], [Define if FALLOC_FL_ZERO_RANGE is available.])
878 AC_CACHE_CHECK([for SYS_fallocate],rsync_cv_have_sys_fallocate,[
879 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/syscall.h>
883 #ifdef HAVE_SYS_TYPES_H
884 #include <sys/types.h>
885 #endif]], [[syscall(SYS_fallocate, 0, 0, (loff_t)0, (loff_t)0);]])],[rsync_cv_have_sys_fallocate=yes],[rsync_cv_have_sys_fallocate=no])])
886 if test x"$rsync_cv_have_sys_fallocate" = x"yes"; then
887 AC_DEFINE(HAVE_SYS_FALLOCATE, 1, [Define to 1 if you have the SYS_fallocate syscall number])
890 if test x"$ac_cv_func_posix_fallocate" = x"yes"; then
891 AC_MSG_CHECKING([whether posix_fallocate is efficient])
895 AC_DEFINE(HAVE_EFFICIENT_POSIX_FALLOCATE, 1,
896 [Define if posix_fallocate is efficient (Cygwin)])
904 dnl End of preallocation stuff
906 AC_CHECK_FUNCS(getpgrp tcgetpgrp)
907 if test $ac_cv_func_getpgrp = yes; then
911 AC_ARG_ENABLE(iconv-open,
912 AS_HELP_STRING([--disable-iconv-open],[disable to avoid all use of iconv_open()]),
913 [], [enable_iconv_open=$ac_cv_func_iconv_open])
915 if test x"$enable_iconv_open" != x"no"; then
916 AC_DEFINE(USE_ICONV_OPEN, 1, [Define to 1 if you want rsync to make use of iconv_open()])
920 AS_HELP_STRING([--disable-iconv],[disable to omit the --iconv option]),
921 [], [enable_iconv=$enable_iconv_open])
922 AH_TEMPLATE([ICONV_OPTION],
923 [Define if you want the --iconv option. Specifying a value will set the
924 default iconv setting (a NULL means no --iconv processing by default).])
925 if test x"$enable_iconv" != x"no"; then
926 if test x"$enable_iconv" = x"yes"; then
927 AC_DEFINE(ICONV_OPTION, NULL)
929 AC_DEFINE_UNQUOTED(ICONV_OPTION, "$enable_iconv")
931 AC_DEFINE(UTF8_CHARSET, "UTF-8", [String to pass to iconv() for the UTF-8 charset.])
934 AC_CACHE_CHECK([whether chown() modifies symlinks],rsync_cv_chown_modifies_symlink,[
935 AC_RUN_IFELSE([AC_LANG_SOURCE([[
942 char const *dangling_symlink = "conftest.dangle";
943 unlink(dangling_symlink);
944 if (symlink("conftest.no-such", dangling_symlink) < 0) abort();
945 if (chown(dangling_symlink, getuid(), getgid()) < 0 && errno == ENOENT) return 1;
947 }]])],[rsync_cv_chown_modifies_symlink=yes],[rsync_cv_chown_modifies_symlink=no],[rsync_cv_chown_modifies_symlink=no])])
948 if test $rsync_cv_chown_modifies_symlink = yes; then
949 AC_DEFINE(CHOWN_MODIFIES_SYMLINK, 1, [Define to 1 if chown modifies symlinks.])
952 AC_CACHE_CHECK([whether link() can hard-link symlinks],rsync_cv_can_hardlink_symlink,[
953 AC_RUN_IFELSE([AC_LANG_SOURCE([[
956 #elif defined HAVE_SYS_FCNTL_H
957 # include <sys/fcntl.h>
964 #define FILENAME "conftest.dangle"
967 if (symlink("conftest.no-such", FILENAME) < 0) abort();
968 unlink(FILENAME "2");
970 if (linkat(AT_FDCWD, FILENAME, AT_FDCWD, FILENAME "2", 0) < 0) return 1;
972 if (link(FILENAME, FILENAME "2") < 0) return 1;
975 }]])],[rsync_cv_can_hardlink_symlink=yes],[rsync_cv_can_hardlink_symlink=no],[rsync_cv_can_hardlink_symlink=no])])
976 if test $rsync_cv_can_hardlink_symlink = yes; then
977 AC_DEFINE(CAN_HARDLINK_SYMLINK, 1, [Define to 1 if link() can hard-link symlinks.])
980 AC_CACHE_CHECK([whether link() can hard-link special files],rsync_cv_can_hardlink_special,[
981 AC_RUN_IFELSE([AC_LANG_SOURCE([[
985 #ifdef HAVE_SYS_STAT_H
986 #include <sys/stat.h>
990 #define FILENAME "conftest.fifi"
993 if (mkfifo(FILENAME, 0777) < 0) abort();
994 unlink(FILENAME "2");
995 if (link(FILENAME, FILENAME "2") < 0) return 1;
997 }]])],[rsync_cv_can_hardlink_special=yes],[rsync_cv_can_hardlink_special=no],[rsync_cv_can_hardlink_special=no])])
998 if test $rsync_cv_can_hardlink_special = yes; then
999 AC_DEFINE(CAN_HARDLINK_SPECIAL, 1, [Define to 1 if link() can hard-link special files.])
1002 AC_CACHE_CHECK([for working socketpair],rsync_cv_HAVE_SOCKETPAIR,[
1003 AC_RUN_IFELSE([AC_LANG_SOURCE([[
1004 #ifdef HAVE_SYS_TYPES_H
1005 #include <sys/types.h>
1007 #ifdef HAVE_SYS_SOCKET_H
1008 #include <sys/socket.h>
1013 return (socketpair(AF_UNIX, SOCK_STREAM, 0, fd) != -1) ? 0 : 1;
1014 }]])],[rsync_cv_HAVE_SOCKETPAIR=yes],[rsync_cv_HAVE_SOCKETPAIR=no],[rsync_cv_HAVE_SOCKETPAIR=cross])])
1015 if test x"$rsync_cv_HAVE_SOCKETPAIR" = x"yes"; then
1016 AC_DEFINE(HAVE_SOCKETPAIR, 1, [Define to 1 if you have the "socketpair" function])
1019 AC_REPLACE_FUNCS([getpass])
1021 if test x"$with_included_popt" != x"yes"; then
1022 AC_CHECK_LIB(popt, poptGetContext, , [with_included_popt=yes])
1024 if test x"$ac_cv_header_popt_popt_h" = x"yes"; then
1025 # If the system has /usr/include/popt/popt.h, we enable the
1026 # included popt because an attempt to "#include <popt/popt.h>"
1027 # would use our included header file anyway (due to -I.), and
1028 # might conflict with the system popt.
1029 with_included_popt=yes
1030 elif test x"$ac_cv_header_popt_h" != x"yes"; then
1031 with_included_popt=yes
1034 if test x"$GCC" = x"yes"; then
1035 if test x"$with_included_popt" != x"yes"; then
1036 # Turn pedantic warnings into errors to ensure an array-init overflow is an error.
1037 CFLAGS="$CFLAGS -pedantic-errors"
1039 # Our internal popt code cannot be compiled with pedantic warnings as errors, so try to
1040 # turn off pedantic warnings (which will not lose the error for array-init overflow).
1041 # Older gcc versions don't understand -Wno-pedantic, so check if --help=warnings lists
1042 # -Wpedantic and use that as a flag.
1043 case `$CC --help=warnings 2>/dev/null | grep Wpedantic` in
1044 *-Wpedantic*) CFLAGS="$CFLAGS -pedantic-errors -Wno-pedantic" ;;
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([[
1092 #ifdef HAVE_SYS_TYPES_H
1093 #include <sys/types.h>
1096 int main(void) { struct dirent *di; DIR *d = opendir("."); di = readdir(d);
1097 if (di && di->d_name[-2] == '.' && di->d_name[-1] == 0 &&
1098 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])])
1099 if test x"$rsync_cv_HAVE_BROKEN_READDIR" = x"yes"; then
1100 AC_DEFINE(HAVE_BROKEN_READDIR, 1, [Define to 1 if readdir() is broken])
1103 AC_CACHE_CHECK([for utimbuf],rsync_cv_HAVE_STRUCT_UTIMBUF,[
1104 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1105 #ifdef HAVE_SYS_TYPES_H
1106 #include <sys/types.h>
1108 #include <utime.h>]], [[struct utimbuf tbuf; tbuf.actime = 0; tbuf.modtime = 1; return utime("foo.c",&tbuf);]])],[rsync_cv_HAVE_STRUCT_UTIMBUF=yes],[rsync_cv_HAVE_STRUCT_UTIMBUF=no])])
1109 if test x"$rsync_cv_HAVE_STRUCT_UTIMBUF" = x"yes"; then
1110 AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if you have the "struct utimbuf" type])
1113 AC_CACHE_CHECK([if gettimeofday takes tz argument],rsync_cv_HAVE_GETTIMEOFDAY_TZ,[
1114 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/time.h>
1115 #ifdef HAVE_UNISTD_H
1117 #endif]], [[struct timeval tv; return gettimeofday(&tv, NULL);]])],[rsync_cv_HAVE_GETTIMEOFDAY_TZ=yes],[rsync_cv_HAVE_GETTIMEOFDAY_TZ=no])])
1118 if test x"$rsync_cv_HAVE_GETTIMEOFDAY_TZ" != x"no"; then
1119 AC_DEFINE(HAVE_GETTIMEOFDAY_TZ, 1, [Define to 1 if gettimeofday() takes a time-zone arg])
1122 AC_CACHE_CHECK([for C99 vsnprintf],rsync_cv_HAVE_C99_VSNPRINTF,[
1123 AC_RUN_IFELSE([AC_LANG_SOURCE([[
1124 #ifdef HAVE_SYS_TYPES_H
1125 #include <sys/types.h>
1133 void foo(const char *format, ...) {
1136 static char buf[] = "12345678901234567890";
1138 va_start(ap, format);
1139 len = vsnprintf(0, 0, format, ap);
1141 if (len != 5) exit(1);
1143 if (snprintf(buf, 3, "hello") != 5 || strcmp(buf, "he") != 0) exit(1);
1145 int main(void) { foo("hello"); return 0; }
1146 ]])],[rsync_cv_HAVE_C99_VSNPRINTF=yes],[rsync_cv_HAVE_C99_VSNPRINTF=no],[rsync_cv_HAVE_C99_VSNPRINTF=cross])])
1147 if test x"$rsync_cv_HAVE_C99_VSNPRINTF" = x"yes"; then
1148 AC_DEFINE(HAVE_C99_VSNPRINTF, 1, [Define to 1 if vsprintf has a C99-compatible return value])
1152 AC_CACHE_CHECK([for secure mkstemp],rsync_cv_HAVE_SECURE_MKSTEMP,[
1153 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdlib.h>
1154 #ifdef HAVE_SYS_TYPES_H
1155 #include <sys/types.h>
1157 #include <sys/stat.h>
1158 #ifdef HAVE_UNISTD_H
1163 char tpl[20]="/tmp/test.XXXXXX";
1164 int fd = mkstemp(tpl);
1165 if (fd == -1) return 1;
1167 if (fstat(fd, &st) != 0) return 1;
1168 if ((st.st_mode & 0777) != 0600) return 1;
1170 }]])],[rsync_cv_HAVE_SECURE_MKSTEMP=yes],[rsync_cv_HAVE_SECURE_MKSTEMP=no],[rsync_cv_HAVE_SECURE_MKSTEMP=cross])])
1171 if test x"$rsync_cv_HAVE_SECURE_MKSTEMP" = x"yes"; then
1174 dnl HP-UX has a broken mkstemp() implementation they refuse to fix,
1175 dnl so we noisily skip using it. See HP change request JAGaf34426
1176 dnl for details. (sbonds)
1177 AC_MSG_WARN(Skipping broken HP-UX mkstemp() -- using mktemp() instead)
1180 AC_DEFINE(HAVE_SECURE_MKSTEMP, 1, [Define to 1 if mkstemp() is available and works right])
1186 AC_CACHE_CHECK([if mknod creates FIFOs],rsync_cv_MKNOD_CREATES_FIFOS,[
1187 AC_RUN_IFELSE([AC_LANG_SOURCE([[
1189 #include <sys/stat.h>
1192 # include <unistd.h>
1194 int main(void) { int rc, ec; char *fn = "fifo-test";
1195 unlink(fn); rc = mknod(fn,S_IFIFO,0600); ec = errno; unlink(fn);
1196 if (rc) {printf("(%d %d) ",rc,ec); return ec;}
1197 return 0;}]])],[rsync_cv_MKNOD_CREATES_FIFOS=yes],[rsync_cv_MKNOD_CREATES_FIFOS=no],[rsync_cv_MKNOD_CREATES_FIFOS=cross])])
1198 if test x"$rsync_cv_MKNOD_CREATES_FIFOS" = x"yes"; then
1199 AC_DEFINE(MKNOD_CREATES_FIFOS, 1, [Define to 1 if mknod() can create FIFOs.])
1202 AC_CACHE_CHECK([if mknod creates sockets],rsync_cv_MKNOD_CREATES_SOCKETS,[
1203 AC_RUN_IFELSE([AC_LANG_SOURCE([[
1205 #include <sys/stat.h>
1208 # include <unistd.h>
1210 int main(void) { int rc, ec; char *fn = "sock-test";
1211 unlink(fn); rc = mknod(fn,S_IFSOCK,0600); ec = errno; unlink(fn);
1212 if (rc) {printf("(%d %d) ",rc,ec); return ec;}
1213 return 0;}]])],[rsync_cv_MKNOD_CREATES_SOCKETS=yes],[rsync_cv_MKNOD_CREATES_SOCKETS=no],[rsync_cv_MKNOD_CREATES_SOCKETS=cross])])
1214 if test x"$rsync_cv_MKNOD_CREATES_SOCKETS" = x"yes"; then
1215 AC_DEFINE(MKNOD_CREATES_SOCKETS, 1, [Define to 1 if mknod() can create sockets.])
1219 # The following test was mostly taken from the tcl/tk plus patches
1221 AC_CACHE_CHECK([whether -c -o works],rsync_cv_DASHC_WORKS_WITH_DASHO,[
1223 cat > conftest.$ac_ext <<EOF
1224 int main(void) { return 0; }
1226 ${CC-cc} -c -o conftest..o conftest.$ac_ext
1227 if test -f conftest..o; then
1228 rsync_cv_DASHC_WORKS_WITH_DASHO=yes
1230 rsync_cv_DASHC_WORKS_WITH_DASHO=no
1234 if test x"$rsync_cv_DASHC_WORKS_WITH_DASHO" = x"yes"; then
1237 CC_SHOBJ_FLAG='-o $@'
1239 OBJ_SAVE=' @b=`basename $@ .o`;rm -f $$b.o.sav;if test -f $$b.o; then mv $$b.o $$b.o.sav;fi;'
1240 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'
1245 AC_SUBST(OBJ_RESTORE)
1246 AC_SUBST(CC_SHOBJ_FLAG)
1247 AC_SUBST(BUILD_POPT)
1248 AC_SUBST(BUILD_ZLIB)
1251 AC_CHECK_FUNCS(_acl __acl _facl __facl)
1252 #################################################
1253 # check for ACL support
1255 AC_MSG_CHECKING([whether to support ACLs])
1256 AC_ARG_ENABLE(acl-support,
1257 AS_HELP_STRING([--disable-acl-support],[disable to omit ACL support]))
1259 if test x"$enable_acl_support" = x"no"; then
1264 AC_MSG_RESULT(Using UnixWare ACLs)
1265 AC_DEFINE(HAVE_UNIXWARE_ACLS, 1, [true if you have UnixWare ACLs])
1266 AC_DEFINE(SUPPORT_ACLS, 1, [Define to 1 to add support for ACLs])
1269 AC_MSG_RESULT(Using solaris ACLs)
1270 AC_DEFINE(HAVE_SOLARIS_ACLS, 1, [true if you have solaris ACLs])
1271 AC_DEFINE(SUPPORT_ACLS, 1)
1274 AC_MSG_RESULT(Using IRIX ACLs)
1275 AC_DEFINE(HAVE_IRIX_ACLS, 1, [true if you have IRIX ACLs])
1276 AC_DEFINE(SUPPORT_ACLS, 1)
1279 AC_MSG_RESULT(Using AIX ACLs)
1280 AC_DEFINE(HAVE_AIX_ACLS, 1, [true if you have AIX ACLs])
1281 AC_DEFINE(SUPPORT_ACLS, 1)
1284 AC_MSG_RESULT(Using Tru64 ACLs)
1285 AC_DEFINE(HAVE_TRU64_ACLS, 1, [true if you have Tru64 ACLs])
1286 AC_DEFINE(SUPPORT_ACLS, 1)
1290 AC_MSG_RESULT(Using OS X ACLs)
1291 AC_DEFINE(HAVE_OSX_ACLS, 1, [true if you have Mac OS X ACLs])
1292 AC_DEFINE(SUPPORT_ACLS, 1)
1295 AC_MSG_RESULT(Using HPUX ACLs)
1296 AC_DEFINE(HAVE_HPUX_ACLS, 1, [true if you have HPUX ACLs])
1297 AC_DEFINE(SUPPORT_ACLS, 1)
1300 AC_MSG_RESULT(running tests:)
1301 AC_CHECK_LIB(acl,acl_get_file)
1302 AC_CACHE_CHECK([for ACL support],samba_cv_HAVE_POSIX_ACLS,[
1303 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1304 #ifdef HAVE_SYS_TYPES_H
1305 #include <sys/types.h>
1307 #ifdef HAVE_SYS_ACL_H
1308 #include <sys/acl.h>
1309 #endif]], [[ acl_t acl; int entry_id; acl_entry_t *entry_p; return acl_get_entry( acl, entry_id, entry_p);]])],[samba_cv_HAVE_POSIX_ACLS=yes],[samba_cv_HAVE_POSIX_ACLS=no])])
1310 AC_MSG_CHECKING(ACL test results)
1311 if test x"$samba_cv_HAVE_POSIX_ACLS" = x"yes"; then
1312 AC_MSG_RESULT(Using posix ACLs)
1313 AC_DEFINE(HAVE_POSIX_ACLS, 1, [true if you have posix ACLs])
1314 AC_DEFINE(SUPPORT_ACLS, 1)
1315 AC_CACHE_CHECK([for acl_get_perm_np],samba_cv_HAVE_ACL_GET_PERM_NP,[
1316 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1317 #ifdef HAVE_SYS_TYPES_H
1318 #include <sys/types.h>
1320 #ifdef HAVE_SYS_ACL_H
1321 #include <sys/acl.h>
1322 #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])])
1323 if test x"$samba_cv_HAVE_ACL_GET_PERM_NP" = x"yes"; then
1324 AC_DEFINE(HAVE_ACL_GET_PERM_NP, 1, [true if you have acl_get_perm_np])
1327 if test x"$enable_acl_support" = x"yes"; then
1328 AC_MSG_ERROR(Failed to find ACL support)
1330 AC_MSG_RESULT(No ACL support found)
1337 #################################################
1338 # check for extended attribute support
1339 AC_MSG_CHECKING(whether to support extended attributes)
1340 AC_ARG_ENABLE(xattr-support,
1341 AS_HELP_STRING([--disable-xattr-support],[disable to omit extended attributes]),
1342 [], [case "$ac_cv_func_getxattr$ac_cv_func_extattr_get_link$ac_cv_func_attropen" in
1343 *yes*) enable_xattr_support=maybe ;;
1344 *) enable_xattr_support=no ;;
1346 AH_TEMPLATE([SUPPORT_XATTRS],
1347 [Define to 1 to add support for extended attributes])
1348 if test x"$enable_xattr_support" = x"no"; then
1352 *linux*|*netbsd*|*cygwin*)
1353 AC_MSG_RESULT(Using Linux xattrs)
1354 AC_DEFINE(HAVE_LINUX_XATTRS, 1, [True if you have Linux xattrs (or equivalent)])
1355 AC_DEFINE(SUPPORT_XATTRS, 1)
1356 AC_DEFINE(NO_SYMLINK_USER_XATTRS, 1, [True if symlinks do not support user xattrs])
1357 AC_CHECK_LIB(attr,getxattr)
1360 AC_MSG_RESULT(Using OS X xattrs)
1361 AC_DEFINE(HAVE_OSX_XATTRS, 1, [True if you have Mac OS X xattrs])
1362 AC_DEFINE(SUPPORT_XATTRS, 1)
1363 AC_DEFINE(NO_DEVICE_XATTRS, 1, [True if device files do not support xattrs])
1364 AC_DEFINE(NO_SPECIAL_XATTRS, 1, [True if special files do not support xattrs])
1367 AC_MSG_RESULT(Using FreeBSD extattrs)
1368 AC_DEFINE(HAVE_FREEBSD_XATTRS, 1, [True if you have FreeBSD xattrs])
1369 AC_DEFINE(SUPPORT_XATTRS, 1)
1372 AC_MSG_RESULT(Using Solaris xattrs)
1373 AC_DEFINE(HAVE_SOLARIS_XATTRS, 1, [True if you have Solaris xattrs])
1374 AC_DEFINE(SUPPORT_XATTRS, 1)
1375 AC_DEFINE(NO_SYMLINK_XATTRS, 1, [True if symlinks do not support xattrs])
1378 if test x"$enable_xattr_support" = x"yes"; then
1379 AC_MSG_ERROR(Failed to find extended attribute support)
1381 AC_MSG_RESULT(No extended attribute support found)
1387 if test x"$enable_acl_support" = x"no" -o x"$enable_xattr_support" = x"no" -o x"$enable_iconv" = x"no"; then
1388 AC_MSG_CHECKING([whether $CC supports -Wno-unused-parameter])
1389 OLD_CFLAGS="$CFLAGS"
1390 CFLAGS="$CFLAGS -Wno-unused-parameter"
1391 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>]], [[printf("hello\n");]])],[rsync_warn_flag=yes],[rsync_warn_flag=no])
1392 AC_MSG_RESULT([$rsync_warn_flag])
1393 if test x"$rsync_warn_flag" = x"no"; then
1394 CFLAGS="$OLD_CFLAGS"
1399 ' checker'*|checker*)
1400 AC_DEFINE(FORCE_FD_ZERO_MEMSET, 1, [Used to make "checker" understand that FD_ZERO() clears memory.])
1404 AC_CONFIG_FILES([Makefile lib/dummy zlib/dummy popt/dummy shconfig])
1408 AC_MSG_RESULT([ rsync $PACKAGE_VERSION configuration successful])