X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/ef7441669b194ba6804c2eda07beed90a29ad2b3..d0f2bbb83e0c9a1b4264eeadfc2d53fb5aafb657:/configure.ac diff --git a/configure.ac b/configure.ac new file mode 100644 index 00000000..9de88d15 --- /dev/null +++ b/configure.ac @@ -0,0 +1,1033 @@ +dnl Process this file with autoconf to produce a configure script. + +AC_INIT() +AC_CONFIG_SRCDIR([byteorder.h]) +AC_CONFIG_HEADER(config.h) +AC_PREREQ(2.59) + +RSYNC_VERSION=3.1.0dev +AC_SUBST(RSYNC_VERSION) +AC_MSG_NOTICE([Configuring rsync $RSYNC_VERSION]) + +AC_DEFINE_UNQUOTED(RSYNC_VERSION, ["$RSYNC_VERSION"], [rsync release version]) + +LDFLAGS=${LDFLAGS-""} + +AC_CANONICAL_HOST + +# We must decide this before testing the compiler. + +# Please allow this to default to yes, so that your users have more +# chance of getting a useful stack trace if problems occur. + +AC_MSG_CHECKING([whether to include debugging symbols]) +AC_ARG_ENABLE(debug, + AC_HELP_STRING([--disable-debug], + [disable debugging symbols and features])) + +if test x"$enable_debug" = x"no"; then + AC_MSG_RESULT(no) + ac_cv_prog_cc_g=no +else + AC_MSG_RESULT([yes]) + dnl AC_DEFINE(DEBUG, 1, [Define to turn on debugging code that may slow normal operation]) + # leave ac_cv_prog_cc_g alone; AC_PROG_CC will try to include -g if it can +fi + +dnl Checks for programs. +AC_PROG_CC +AC_PROG_CPP +AC_PROG_EGREP +AC_PROG_INSTALL +AC_PROG_CC_STDC +AC_SUBST(SHELL) + +AC_DEFINE([_GNU_SOURCE], 1, + [Define _GNU_SOURCE so that we get all necessary prototypes]) + +if test x"$ac_cv_prog_cc_stdc" = x"no"; then + AC_MSG_WARN([rsync requires an ANSI C compiler and you don't seem to have one]) +fi + +AC_ARG_ENABLE(profile, + AC_HELP_STRING([--enable-profile], + [turn on CPU profiling])) +if test x"$enable_profile" = x"yes"; then + CFLAGS="$CFLAGS -pg" +fi + + +# Specifically, this turns on panic_action handling. +AC_ARG_ENABLE(maintainer-mode, + AC_HELP_STRING([--enable-maintainer-mode], + [turn on extra debug features])) +if test x"$enable_maintainer_mode" = x"yes"; then + CFLAGS="$CFLAGS -DMAINTAINER_MODE" +fi + + +# This is needed for our included version of popt. Kind of silly, but +# I don't want our version too far out of sync. +CFLAGS="$CFLAGS -DHAVE_CONFIG_H" + +# If GCC, turn on warnings. +if test x"$GCC" = x"yes"; then + CFLAGS="$CFLAGS -Wall -W" +fi + +AC_ARG_WITH(included-popt, + AC_HELP_STRING([--with-included-popt], [use bundled popt library, not from system])) + +AC_ARG_WITH(protected-args, + AC_HELP_STRING([--with-protected-args], [make --protected-args option the default])) +if test x"$with_protected_args" = x"yes"; then + AC_DEFINE_UNQUOTED(RSYNC_USE_PROTECTED_ARGS, 1, [Define to 1 if --protected-args should be the default]) +fi + +AC_ARG_WITH(rsync-path, + AC_HELP_STRING([--with-rsync-path=PATH], [set default --rsync-path to PATH (default: rsync)]), + [ RSYNC_PATH="$with_rsync_path" ], + [ RSYNC_PATH="rsync" ]) + +AC_DEFINE_UNQUOTED(RSYNC_PATH, "$RSYNC_PATH", [location of rsync on remote machine]) + +AC_ARG_WITH(rsyncd-conf, + AC_HELP_STRING([--with-rsyncd-conf=PATH], [set configuration file for rsync server to PATH (default: /etc/rsyncd.conf)]), + [ if test ! -z "$with_rsyncd_conf" ; then + case $with_rsyncd_conf in + yes|no) + RSYNCD_SYSCONF="/etc/rsyncd.conf" + ;; + /*) + RSYNCD_SYSCONF="$with_rsyncd_conf" + ;; + *) + AC_MSG_ERROR(You must specify an absolute path to --with-rsyncd-conf=PATH) + ;; + esac + else + RSYNCD_SYSCONF="/etc/rsyncd.conf" + fi ], + [ RSYNCD_SYSCONF="/etc/rsyncd.conf" ]) + +AC_DEFINE_UNQUOTED(RSYNCD_SYSCONF, "$RSYNCD_SYSCONF", [location of configuration file for rsync server]) + +AC_ARG_WITH(rsh, + AC_HELP_STRING([--with-rsh=CMD], [set remote shell command to CMD (default: ssh)])) + +AC_CHECK_PROG(HAVE_REMSH, remsh, 1, 0) +if test x$HAVE_REMSH = x1; then + AC_DEFINE(HAVE_REMSH, 1, [Define to 1 if remote shell is remsh, not rsh]) +fi + +if test x"$with_rsh" != x; then + RSYNC_RSH="$with_rsh" +else + RSYNC_RSH="ssh" +fi +AC_DEFINE_UNQUOTED(RSYNC_RSH, "$RSYNC_RSH", [default -e command]) + +AC_CHECK_PROG(HAVE_YODL2MAN, yodl2man, 1, 0) +if test x$HAVE_YODL2MAN = x1; then + MAKE_MAN=man +fi + +AC_ARG_WITH(nobody-group, + AC_HELP_STRING([--with-nobody-group=GROUP], + [set the default unprivileged group (default nobody or nogroup)]), + [ NOBODY_GROUP="$with_nobody_group" ]) + +if test x"$with_nobody_group" = x; then + AC_MSG_CHECKING([the group for user "nobody"]) + if grep '^nobody:' /etc/group >/dev/null 2>&1; then + NOBODY_GROUP=nobody + elif grep '^nogroup:' /etc/group >/dev/null 2>&1; then + NOBODY_GROUP=nogroup + else + NOBODY_GROUP=nobody # test for others? + fi + AC_MSG_RESULT($NOBODY_GROUP) +fi + +AC_DEFINE_UNQUOTED(NOBODY_USER, "nobody", [unprivileged user--e.g. nobody]) +AC_DEFINE_UNQUOTED(NOBODY_GROUP, "$NOBODY_GROUP", [unprivileged group for unprivileged user]) + +# arrgh. libc in some old debian version screwed up the largefile +# stuff, getting byte range locking wrong +AC_CACHE_CHECK([for broken largefile support],rsync_cv_HAVE_BROKEN_LARGEFILE,[ +AC_TRY_RUN([ +#define _FILE_OFFSET_BITS 64 +#include +#include +#include +#include + +int main(void) +{ + struct flock lock; + int status; + char tpl[32] = "/tmp/locktest.XXXXXX"; + int fd = mkstemp(tpl); + if (fd < 0) { + strcpy(tpl, "conftest.dat"); + fd = open(tpl, O_CREAT|O_RDWR, 0600); + } + + lock.l_type = F_WRLCK; + lock.l_whence = SEEK_SET; + lock.l_start = 0; + lock.l_len = 1; + lock.l_pid = 0; + fcntl(fd,F_SETLK,&lock); + if (fork() == 0) { + lock.l_start = 1; + _exit(fcntl(fd,F_SETLK,&lock) == 0); + } + wait(&status); + unlink(tpl); + exit(WEXITSTATUS(status)); +} +], +rsync_cv_HAVE_BROKEN_LARGEFILE=yes,rsync_cv_HAVE_BROKEN_LARGEFILE=no,rsync_cv_HAVE_BROKEN_LARGEFILE=cross)]) +if test x"$rsync_cv_HAVE_BROKEN_LARGEFILE" != x"yes"; then + AC_SYS_LARGEFILE +fi + +ipv6type=unknown +ipv6lib=none +ipv6trylibc=yes + +AC_ARG_ENABLE(ipv6, + AC_HELP_STRING([--disable-ipv6], + [don't even try to use IPv6])) +if test x"$enable_ipv6" != x"no"; then + AC_MSG_CHECKING([ipv6 stack type]) + for i in inria kame linux-glibc linux-inet6 solaris toshiba v6d zeta cygwin; do + case $i in + inria) + # http://www.kame.net/ + AC_EGREP_CPP(yes, [ +#include +#ifdef IPV6_INRIA_VERSION +yes +#endif], + [ipv6type=$i; + AC_DEFINE(INET6, 1, [true if you have IPv6]) + ]) + ;; + kame) + # http://www.kame.net/ + AC_EGREP_CPP(yes, [ +#include +#ifdef __KAME__ +yes +#endif], + [ipv6type=$i; + AC_DEFINE(INET6, 1, [true if you have IPv6])]) + ;; + linux-glibc) + # http://www.v6.linux.or.jp/ + AC_EGREP_CPP(yes, [ +#include +#if defined(__GLIBC__) && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1 +yes +#endif], + [ipv6type=$i; +AC_DEFINE(INET6, 1, [true if you have IPv6])]) + ;; + linux-inet6) + # http://www.v6.linux.or.jp/ + if test -d /usr/inet6 -o -f /usr/inet6/lib/libinet6.a; then + ipv6type=$i + ipv6lib=inet6 + ipv6libdir=/usr/inet6/lib + ipv6trylibc=yes; + AC_DEFINE(INET6, 1, [true if you have IPv6]) + CFLAGS="-I/usr/inet6/include $CFLAGS" + fi + ;; + solaris) + # http://www.sun.com + AC_EGREP_CPP(yes, [ +#include +#ifdef __sun +yes +#endif], + [ipv6type=$i; + AC_DEFINE(INET6, 1, [true if you have IPv6])]) + ;; + toshiba) + AC_EGREP_CPP(yes, [ +#include +#ifdef _TOSHIBA_INET6 +yes +#endif], + [ipv6type=$i; + ipv6lib=inet6; + ipv6libdir=/usr/local/v6/lib; + AC_DEFINE(INET6, 1, [true if you have IPv6])]) + ;; + v6d) + AC_EGREP_CPP(yes, [ +#include +#ifdef __V6D__ +yes +#endif], + [ipv6type=$i; + ipv6lib=v6; + ipv6libdir=/usr/local/v6/lib; + AC_DEFINE(INET6, 1, [true if you have IPv6])]) + ;; + zeta) + AC_EGREP_CPP(yes, [ +#include +#ifdef _ZETA_MINAMI_INET6 +yes +#endif], + [ipv6type=$i; + ipv6lib=inet6; + ipv6libdir=/usr/local/v6/lib; + AC_DEFINE(INET6, 1, [true if you have IPv6])]) + ;; + cygwin) + AC_EGREP_CPP(yes, [ +#include +#ifdef _CYGWIN_IN6_H +yes +#endif], + [ipv6type=$i; + AC_DEFINE(INET6, 1, [true if you have IPv6])]) + ;; + esac + if test "$ipv6type" != "unknown"; then + break + fi + done + AC_MSG_RESULT($ipv6type) + + AC_SEARCH_LIBS(getaddrinfo, inet6) +fi + +dnl Do you want to disable use of locale functions +AC_ARG_ENABLE([locale], + AC_HELP_STRING([--disable-locale], + [disable locale features])) +AH_TEMPLATE([CONFIG_LOCALE], +[Undefine if you don't want locale features. By default this is defined.]) +if test x"$enable_locale" != x"no"; then + AC_DEFINE(CONFIG_LOCALE) +fi + +AC_MSG_CHECKING([whether to call shutdown on all sockets]) +case $host_os in + *cygwin* ) AC_MSG_RESULT(yes) + AC_DEFINE(SHUTDOWN_ALL_SOCKETS, 1, + [Define to 1 if sockets need to be shutdown]) + ;; + * ) AC_MSG_RESULT(no);; +esac + +AC_C_BIGENDIAN +AC_HEADER_DIRENT +AC_HEADER_TIME +AC_HEADER_SYS_WAIT +AC_CHECK_HEADERS(sys/fcntl.h sys/select.h fcntl.h sys/time.h sys/unistd.h \ + unistd.h utime.h grp.h compat.h sys/param.h ctype.h sys/wait.h \ + sys/ioctl.h sys/filio.h string.h stdlib.h sys/socket.h sys/mode.h \ + sys/un.h sys/attr.h mcheck.h arpa/inet.h arpa/nameser.h locale.h \ + netdb.h malloc.h float.h limits.h iconv.h libcharset.h langinfo.h \ + sys/acl.h acl/libacl.h attr/xattr.h sys/xattr.h sys/extattr.h \ + popt.h popt/popt.h) +AC_HEADER_MAJOR + +AC_CACHE_CHECK([if makedev takes 3 args],rsync_cv_MAKEDEV_TAKES_3_ARGS,[ +AC_TRY_RUN([ +#include +#ifdef MAJOR_IN_MKDEV +#include +# if !defined makedev && (defined mkdev || defined _WIN32 || defined __WIN32__) +# define makedev mkdev +# endif +#elif defined MAJOR_IN_SYSMACROS +#include +#endif + +int main(void) +{ + dev_t dev = makedev(0, 5, 7); + if (major(dev) != 5 || minor(dev) != 7) + exit(1); + return 0; +} +], +rsync_cv_MAKEDEV_TAKES_3_ARGS=yes,rsync_cv_MAKEDEV_TAKES_3_ARGS=no,rsync_cv_MAKEDEV_TAKES_3_ARGS=no)]) +if test x"$rsync_cv_MAKEDEV_TAKES_3_ARGS" = x"yes"; then + AC_DEFINE(MAKEDEV_TAKES_3_ARGS, 1, [Define to 1 if makedev() takes 3 args]) +fi + +AC_CHECK_SIZEOF(int) +AC_CHECK_SIZEOF(long) +AC_CHECK_SIZEOF(long long) +AC_CHECK_SIZEOF(short) +AC_CHECK_SIZEOF(int16_t) +AC_CHECK_SIZEOF(uint16_t) +AC_CHECK_SIZEOF(int32_t) +AC_CHECK_SIZEOF(uint32_t) +AC_CHECK_SIZEOF(int64_t) +AC_CHECK_SIZEOF(off_t) +AC_CHECK_SIZEOF(off64_t) +AC_CHECK_SIZEOF(time_t) + +AC_C_INLINE +AC_C_LONG_DOUBLE + +AC_TYPE_SIGNAL +AC_TYPE_UID_T +AC_CHECK_TYPES([mode_t,off_t,size_t,pid_t,id_t]) +AC_TYPE_GETGROUPS +AC_CHECK_MEMBERS([struct stat.st_rdev, + struct stat.st_mtimensec, + struct stat.st_mtim.tv_nsec],,,[ +#ifdef HAVE_SYS_TYPES_H +#include +#endif +#ifdef HAVE_SYS_STAT_H +#include +#endif +#ifdef HAVE_UNISTD_H +#include +#endif]) + +TYPE_SOCKLEN_T + +AC_CACHE_CHECK([for errno in errno.h],rsync_cv_errno, [ + AC_TRY_COMPILE([#include ],[int i = errno], + rsync_cv_errno=yes,rsync_cv_have_errno_decl=no)]) +if test x"$rsync_cv_errno" = x"yes"; then + AC_DEFINE(HAVE_ERRNO_DECL, 1, [Define to 1 if errno is declared in errno.h]) +fi + +# The following test taken from the cvs sources +# If we can't find connect, try looking in -lsocket, -lnsl, and -linet. +# These need checks to be before checks for any other functions that +# might be in the same libraries. +# The Irix 5 libc.so has connect and gethostbyname, but Irix 5 also has +# libsocket.so which has a bad implementation of gethostbyname (it +# only looks in /etc/hosts), so we only look for -lsocket if we need +# it. +AC_CHECK_FUNCS(connect) +if test x"$ac_cv_func_connect" = x"no"; then + case "$LIBS" in + *-lnsl*) ;; + *) AC_CHECK_LIB(nsl_s, printf) ;; + esac + case "$LIBS" in + *-lnsl*) ;; + *) AC_CHECK_LIB(nsl, printf) ;; + esac + case "$LIBS" in + *-lsocket*) ;; + *) AC_CHECK_LIB(socket, connect) ;; + esac + case "$LIBS" in + *-linet*) ;; + *) AC_CHECK_LIB(inet, connect) ;; + esac + dnl We can't just call AC_CHECK_FUNCS(connect) here, because the value + dnl has been cached. + if test x"$ac_cv_lib_socket_connect" = x"yes" || + test x"$ac_cv_lib_inet_connect" = x"yes"; then + # ac_cv_func_connect=yes + # don't! it would cause AC_CHECK_FUNC to succeed next time configure is run + AC_DEFINE(HAVE_CONNECT, 1, [Define to 1 if you have the "connect" function]) + fi +fi + +AC_SEARCH_LIBS(inet_ntop, resolv) + +# Solaris and HP-UX weirdness: +# Search for libiconv_open (not iconv_open) to discover if -liconv is needed! +AC_SEARCH_LIBS(libiconv_open, iconv) + +AC_MSG_CHECKING([for iconv declaration]) +AC_CACHE_VAL(am_cv_proto_iconv, [ + AC_TRY_COMPILE([ +#include +#include +extern +#ifdef __cplusplus +"C" +#endif +#if defined(__STDC__) || defined(__cplusplus) +size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft); +#else +size_t iconv(); +#endif +], [], am_cv_proto_iconv_arg1="", am_cv_proto_iconv_arg1="const") + am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"]) + am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'` +AC_MSG_RESULT([$]{ac_t:- + }[$]am_cv_proto_iconv) +AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1, + [Define as const if the declaration of iconv() needs const.]) + +dnl AC_MSG_NOTICE([Looking in libraries: $LIBS]) + +AC_CHECK_FUNCS(inet_ntop, , [AC_LIBOBJ(lib/inet_ntop)]) +AC_CHECK_FUNCS(inet_pton, , [AC_LIBOBJ(lib/inet_pton)]) + +AC_HAVE_TYPE([struct addrinfo], [#include ]) +AC_HAVE_TYPE([struct sockaddr_storage], [#include +#include ]) + +# Irix 6.5 has getaddrinfo but not the corresponding defines, so use +# builtin getaddrinfo if one of the defines don't exist +AC_CACHE_CHECK([whether defines needed by getaddrinfo exist], + rsync_cv_HAVE_GETADDR_DEFINES,[ + AC_EGREP_CPP(yes, [ + #include + #include + #include + #ifdef AI_PASSIVE + yes + #endif], + rsync_cv_HAVE_GETADDR_DEFINES=yes, + rsync_cv_HAVE_GETADDR_DEFINES=no)]) +if test x"$rsync_cv_HAVE_GETADDR_DEFINES" = x"yes" -a x"$ac_cv_type_struct_addrinfo" = x"yes"; then + # Tru64 UNIX has getaddrinfo() but has it renamed in libc as + # something else so we must include to get the + # redefinition. + AC_CHECK_FUNCS(getaddrinfo, , + [AC_MSG_CHECKING([for getaddrinfo by including ]) + AC_TRY_LINK([#include + #include + #include ],[getaddrinfo(NULL, NULL, NULL, NULL);], + [AC_MSG_RESULT([yes]) + AC_DEFINE(HAVE_GETADDRINFO, 1, + [Define to 1 if you have the "getaddrinfo" function and required types.])], + [AC_MSG_RESULT([no]) + AC_LIBOBJ(lib/getaddrinfo)])]) +else + AC_LIBOBJ(lib/getaddrinfo) +fi + +AC_CHECK_MEMBER([struct sockaddr.sa_len], + [ AC_DEFINE(HAVE_SOCKADDR_LEN, 1, [Do we have sockaddr.sa_len?]) ], + [], + [ +#include +#include +]) + +AC_CHECK_MEMBER([struct sockaddr_in.sin_len], + [ AC_DEFINE(HAVE_SOCKADDR_IN_LEN, 1, [Do we have sockaddr_in.sin_len?]) ], + [], + [ +#include +#include +#include +]) + +AC_CHECK_MEMBER([struct sockaddr_un.sun_len], + [ AC_DEFINE(HAVE_SOCKADDR_UN_LEN, 1, [Do we have sockaddr_un.sun_len?]) ], + [], + [ +#include +#include +#include +]) + +AC_CHECK_MEMBER([struct sockaddr_in6.sin6_scope_id], + [ AC_DEFINE(HAVE_SOCKADDR_IN6_SCOPE_ID, 1, [Do we have sockaddr_in6.sin6_scope_id?]) ], + [], + [ +#include +#include +#include +]) + +AC_HAVE_TYPE([struct stat64], [#include +#if HAVE_SYS_TYPES_H +# include +#endif +#if HAVE_SYS_STAT_H +# include +#endif +#if STDC_HEADERS +# include +# include +#else +# if HAVE_STDLIB_H +# include +# endif +#endif +]) + +# if we can't find strcasecmp, look in -lresolv (for Unixware at least) +# +AC_CHECK_FUNCS(strcasecmp) +if test x"$ac_cv_func_strcasecmp" = x"no"; then + AC_CHECK_LIB(resolv, strcasecmp) +fi + +AC_CHECK_FUNCS(aclsort) +if test x"$ac_cv_func_aclsort" = x"no"; then + AC_CHECK_LIB(sec, aclsort) +fi + +dnl At the moment we don't test for a broken memcmp(), because all we +dnl need to do is test for equality, not comparison, and it seems that +dnl every platform has a memcmp that can do at least that. +dnl AC_FUNC_MEMCMP + +AC_FUNC_UTIME_NULL +AC_FUNC_ALLOCA +AC_CHECK_FUNCS(waitpid wait4 getcwd strdup chown chmod lchmod mknod mkfifo \ + fchmod fstat ftruncate strchr readlink link utime utimes lutimes strftime \ + memmove lchown vsnprintf snprintf vasprintf asprintf setsid strpbrk \ + strlcat strlcpy strtol mallinfo getgroups setgroups geteuid getegid \ + setlocale setmode open64 lseek64 mkstemp64 mtrace va_copy __va_copy \ + seteuid strerror putenv iconv_open locale_charset nl_langinfo getxattr \ + extattr_get_link sigaction sigprocmask setattrlist getgrouplist \ + initgroups utimensat) + +dnl cygwin iconv.h defines iconv_open as libiconv_open +if test x"$ac_cv_func_iconv_open" != x"yes"; then + AC_CHECK_FUNC(libiconv_open, [ac_cv_func_iconv_open=yes; AC_DEFINE(HAVE_ICONV_OPEN, 1)]) +fi + +AC_CHECK_FUNCS(getpgrp tcgetpgrp) +if test $ac_cv_func_getpgrp = yes; then + AC_FUNC_GETPGRP +fi + +AC_ARG_ENABLE(iconv-open, + AC_HELP_STRING([--disable-iconv-open], + [disable all use of iconv_open() function]), + [], [enable_iconv_open=$ac_cv_func_iconv_open]) + +if test x"$enable_iconv_open" != x"no"; then + AC_DEFINE(USE_ICONV_OPEN, 1, [Define to 1 if you want rsync to make use of iconv_open()]) +fi + +AC_ARG_ENABLE(iconv, + AC_HELP_STRING([--disable-iconv], + [disable rsync's --iconv option]), + [], [enable_iconv=$enable_iconv_open]) +AH_TEMPLATE([ICONV_OPTION], +[Define if you want the --iconv option. Specifing a value will set the +default iconv setting (a NULL means no --iconv processing by default).]) +if test x"$enable_iconv" != x"no"; then + if test x"$enable_iconv" = x"yes"; then + AC_DEFINE(ICONV_OPTION, NULL) + else + AC_DEFINE_UNQUOTED(ICONV_OPTION, "$enable_iconv") + fi + AC_DEFINE(UTF8_CHARSET, "UTF-8", [String to pass to iconv() for the UTF-8 charset.]) +fi + +AC_CACHE_CHECK([whether chown() modifies symlinks],rsync_cv_chown_modifies_symlink,[ + AC_TRY_RUN([ +#if HAVE_UNISTD_H +# include +#endif +#include +#include + main() { + char const *dangling_symlink = "conftest.dangle"; + unlink(dangling_symlink); + if (symlink("conftest.no-such", dangling_symlink) < 0) abort(); + if (chown(dangling_symlink, getuid(), getgid()) < 0 && errno == ENOENT) exit(1); + exit(0); + }], + rsync_cv_chown_modifies_symlink=yes,rsync_cv_chown_modifies_symlink=no,rsync_cv_chown_modifies_symlink=no)]) +if test $rsync_cv_chown_modifies_symlink = yes; then + AC_DEFINE(CHOWN_MODIFIES_SYMLINK, 1, [Define to 1 if chown modifies symlinks.]) +fi + +AC_CACHE_CHECK([whether link() can hard-link symlinks],rsync_cv_can_hardlink_symlink,[ + AC_TRY_RUN([ +#if HAVE_UNISTD_H +# include +#endif +#include +#include +#define FILENAME "conftest.dangle" + main() { + unlink(FILENAME); + if (symlink("conftest.no-such", FILENAME) < 0) abort(); + if (link(FILENAME, FILENAME "2") < 0) exit(1); + exit(0); + }], + rsync_cv_can_hardlink_symlink=yes,rsync_cv_can_hardlink_symlink=no,rsync_cv_can_hardlink_symlink=no)]) +if test $rsync_cv_can_hardlink_symlink = yes; then + AC_DEFINE(CAN_HARDLINK_SYMLINK, 1, [Define to 1 if link() can hard-link symlinks.]) +fi + +AC_CACHE_CHECK([whether link() can hard-link special files],rsync_cv_can_hardlink_special,[ + AC_TRY_RUN([ +#if HAVE_UNISTD_H +# include +#endif +#include +#include +#define FILENAME "conftest.fifi" + main() { + unlink(FILENAME); + if (mkfifo(FILENAME, 0777) < 0) abort(); + if (link(FILENAME, FILENAME "2") < 0) exit(1); + exit(0); + }], + rsync_cv_can_hardlink_special=yes,rsync_cv_can_hardlink_special=no,rsync_cv_can_hardlink_special=no)]) +if test $rsync_cv_can_hardlink_special = yes; then + AC_DEFINE(CAN_HARDLINK_SPECIAL, 1, [Define to 1 if link() can hard-link special files.]) +fi + +AC_CACHE_CHECK([for working socketpair],rsync_cv_HAVE_SOCKETPAIR,[ +AC_TRY_RUN([ +#include +#include + +main() { + int fd[2]; + exit((socketpair(AF_UNIX, SOCK_STREAM, 0, fd) != -1) ? 0 : 1); +}], +rsync_cv_HAVE_SOCKETPAIR=yes,rsync_cv_HAVE_SOCKETPAIR=no,rsync_cv_HAVE_SOCKETPAIR=cross)]) +if test x"$rsync_cv_HAVE_SOCKETPAIR" = x"yes"; then + AC_DEFINE(HAVE_SOCKETPAIR, 1, [Define to 1 if you have the "socketpair" function]) +fi + +if test x"$with_included_popt" != x"yes"; then + AC_CHECK_LIB(popt, poptGetContext, , [with_included_popt=yes]) +fi +if test x"$ac_cv_header_popt_popt_h" = x"yes"; then + # If the system has /usr/include/popt/popt.h, we enable the + # included popt because an attempt to "#include " + # would use our included header file anyway (due to -I.), and + # might conflict with the system popt. + with_included_popt=yes +elif test x"$ac_cv_header_popt_h" != x"yes"; then + with_included_popt=yes +fi + +AC_MSG_CHECKING([whether to use included libpopt]) +if test x"$with_included_popt" = x"yes"; then + AC_MSG_RESULT($srcdir/popt) + BUILD_POPT='$(popt_OBJS)' + CFLAGS="$CFLAGS -I$srcdir/popt" + if test x"$ALLOCA" != x + then + # this can be removed when/if we add an included alloca.c; + # see autoconf documentation on AC_FUNC_ALLOCA + AC_MSG_WARN([included libpopt will use malloc, not alloca (which wastes a small amount of memory)]) + fi +else + AC_MSG_RESULT(no) +fi + +AC_CACHE_CHECK([for unsigned char],rsync_cv_SIGNED_CHAR_OK,[ +AC_TRY_COMPILE([],[signed char *s = ""], +rsync_cv_SIGNED_CHAR_OK=yes,rsync_cv_SIGNED_CHAR_OK=no)]) +if test x"$rsync_cv_SIGNED_CHAR_OK" = x"yes"; then + AC_DEFINE(SIGNED_CHAR_OK, 1, [Define to 1 if "signed char" is a valid type]) +fi + +AC_CACHE_CHECK([for broken readdir],rsync_cv_HAVE_BROKEN_READDIR,[ +AC_TRY_RUN([#include +#include +main() { struct dirent *di; DIR *d = opendir("."); di = readdir(d); +if (di && di->d_name[-2] == '.' && di->d_name[-1] == 0 && +di->d_name[0] == 0) exit(0); exit(1);} ], +rsync_cv_HAVE_BROKEN_READDIR=yes,rsync_cv_HAVE_BROKEN_READDIR=no,rsync_cv_HAVE_BROKEN_READDIR=cross)]) +if test x"$rsync_cv_HAVE_BROKEN_READDIR" = x"yes"; then + AC_DEFINE(HAVE_BROKEN_READDIR, 1, [Define to 1 if readdir() is broken]) +fi + +AC_CACHE_CHECK([for utimbuf],rsync_cv_HAVE_STRUCT_UTIMBUF,[ +AC_TRY_COMPILE([#include +#include ], +[struct utimbuf tbuf; tbuf.actime = 0; tbuf.modtime = 1; exit(utime("foo.c",&tbuf));], +rsync_cv_HAVE_STRUCT_UTIMBUF=yes,rsync_cv_HAVE_STRUCT_UTIMBUF=no)]) +if test x"$rsync_cv_HAVE_STRUCT_UTIMBUF" = x"yes"; then + AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if you have the "struct utimbuf" type]) +fi + +AC_CACHE_CHECK([if gettimeofday takes tz argument],rsync_cv_HAVE_GETTIMEOFDAY_TZ,[ +AC_TRY_COMPILE([#include +#include ], +[struct timeval tv; exit(gettimeofday(&tv, NULL));], +rsync_cv_HAVE_GETTIMEOFDAY_TZ=yes,rsync_cv_HAVE_GETTIMEOFDAY_TZ=no)]) +if test x"$rsync_cv_HAVE_GETTIMEOFDAY_TZ" != x"no"; then + AC_DEFINE(HAVE_GETTIMEOFDAY_TZ, 1, [Define to 1 if gettimeofday() takes a time-zone arg]) +fi + +AC_CACHE_CHECK([for C99 vsnprintf],rsync_cv_HAVE_C99_VSNPRINTF,[ +AC_TRY_RUN([ +#include +#include +void foo(const char *format, ...) { + va_list ap; + int len; + char buf[5]; + + va_start(ap, format); + len = vsnprintf(0, 0, format, ap); + va_end(ap); + if (len != 5) exit(1); + + if (snprintf(buf, 3, "hello") != 5 || strcmp(buf, "he") != 0) exit(1); + + exit(0); +} +main() { foo("hello"); } +], +rsync_cv_HAVE_C99_VSNPRINTF=yes,rsync_cv_HAVE_C99_VSNPRINTF=no,rsync_cv_HAVE_C99_VSNPRINTF=cross)]) +if test x"$rsync_cv_HAVE_C99_VSNPRINTF" = x"yes"; then + AC_DEFINE(HAVE_C99_VSNPRINTF, 1, [Define to 1 if vsprintf has a C99-compatible return value]) +fi + + +AC_CACHE_CHECK([for secure mkstemp],rsync_cv_HAVE_SECURE_MKSTEMP,[ +AC_TRY_RUN([#include +#include +#include +#include +main() { + struct stat st; + char tpl[20]="/tmp/test.XXXXXX"; + int fd = mkstemp(tpl); + if (fd == -1) exit(1); + unlink(tpl); + if (fstat(fd, &st) != 0) exit(1); + if ((st.st_mode & 0777) != 0600) exit(1); + exit(0); +}], +rsync_cv_HAVE_SECURE_MKSTEMP=yes, +rsync_cv_HAVE_SECURE_MKSTEMP=no, +rsync_cv_HAVE_SECURE_MKSTEMP=cross)]) +if test x"$rsync_cv_HAVE_SECURE_MKSTEMP" = x"yes"; then + case $host_os in + hpux*) + dnl HP-UX has a broken mkstemp() implementation they refuse to fix, + dnl so we noisily skip using it. See HP change request JAGaf34426 + dnl for details. (sbonds) + AC_MSG_WARN(Skipping broken HP-UX mkstemp() -- using mktemp() instead) + ;; + *) + AC_DEFINE(HAVE_SECURE_MKSTEMP, 1, [Define to 1 if mkstemp() is available and works right]) + ;; + esac +fi + + +AC_CACHE_CHECK([if mknod creates FIFOs],rsync_cv_MKNOD_CREATES_FIFOS,[ +AC_TRY_RUN([ +#include +#include +#include +main() { int rc, ec; char *fn = "fifo-test"; +unlink(fn); rc = mknod(fn,S_IFIFO,0600); ec = errno; unlink(fn); +if (rc) {printf("(%d %d) ",rc,ec); return ec;} +return 0;}], + rsync_cv_MKNOD_CREATES_FIFOS=yes,rsync_cv_MKNOD_CREATES_FIFOS=no,rsync_cv_MKNOD_CREATES_FIFOS=cross)]) +if test x"$rsync_cv_MKNOD_CREATES_FIFOS" = x"yes"; then + AC_DEFINE(MKNOD_CREATES_FIFOS, 1, [Define to 1 if mknod() can create FIFOs.]) +fi + +AC_CACHE_CHECK([if mknod creates sockets],rsync_cv_MKNOD_CREATES_SOCKETS,[ +AC_TRY_RUN([ +#include +#include +#include +main() { int rc, ec; char *fn = "sock-test"; +unlink(fn); rc = mknod(fn,S_IFSOCK,0600); ec = errno; unlink(fn); +if (rc) {printf("(%d %d) ",rc,ec); return ec;} +return 0;}], + rsync_cv_MKNOD_CREATES_SOCKETS=yes,rsync_cv_MKNOD_CREATES_SOCKETS=no,rsync_cv_MKNOD_CREATES_SOCKETS=cross)]) +if test x"$rsync_cv_MKNOD_CREATES_SOCKETS" = x"yes"; then + AC_DEFINE(MKNOD_CREATES_SOCKETS, 1, [Define to 1 if mknod() can create sockets.]) +fi + +# +# The following test was mostly taken from the tcl/tk plus patches +# +AC_CACHE_CHECK([whether -c -o works],rsync_cv_DASHC_WORKS_WITH_DASHO,[ +rm -rf conftest* +cat > conftest.$ac_ext < +#include ], +[ 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)]) + AC_MSG_CHECKING(ACL test results) + if test x"$samba_cv_HAVE_POSIX_ACLS" = x"yes"; then + AC_MSG_RESULT(Using posix ACLs) + AC_DEFINE(HAVE_POSIX_ACLS, 1, [true if you have posix ACLs]) + AC_DEFINE(SUPPORT_ACLS, 1) + AC_CACHE_CHECK([for acl_get_perm_np],samba_cv_HAVE_ACL_GET_PERM_NP,[ + AC_TRY_LINK([#include +#include ], +[ acl_permset_t permset_d; acl_perm_t perm; return acl_get_perm_np( permset_d, perm);], +samba_cv_HAVE_ACL_GET_PERM_NP=yes,samba_cv_HAVE_ACL_GET_PERM_NP=no)]) + if test x"$samba_cv_HAVE_ACL_GET_PERM_NP" = x"yes"; then + AC_DEFINE(HAVE_ACL_GET_PERM_NP, 1, [true if you have acl_get_perm_np]) + fi + else + if test x"$enable_acl_support" = x"yes"; then + AC_MSG_ERROR(Failed to find ACL support) + else + AC_MSG_RESULT(No ACL support found) + fi + fi + ;; + esac +fi + +################################################# +# check for extended attribute support +AC_MSG_CHECKING(whether to support extended attributes) +AC_ARG_ENABLE(xattr-support, + AC_HELP_STRING([--disable-xattr-support], + [disable extended attributes]), + [], [case "$ac_cv_func_getxattr$ac_cv_func_extattr_get_link" in + *yes*) enable_xattr_support=maybe ;; + *) enable_xattr_support=no ;; + esac]) +AH_TEMPLATE([SUPPORT_XATTRS], +[Define to 1 to add support for extended attributes]) +if test x"$enable_xattr_support" = x"no"; then + AC_MSG_RESULT(no) +else + case "$host_os" in + *linux*) + AC_MSG_RESULT(Using Linux xattrs) + AC_DEFINE(HAVE_LINUX_XATTRS, 1, [True if you have Linux xattrs]) + AC_DEFINE(SUPPORT_XATTRS, 1) + ;; + darwin*) + AC_MSG_RESULT(Using OS X xattrs) + AC_DEFINE(HAVE_OSX_XATTRS, 1, [True if you have Mac OS X xattrs]) + AC_DEFINE(SUPPORT_XATTRS, 1) + ;; + freebsd*) + AC_MSG_RESULT(Using FreeBSD extattrs) + AC_DEFINE(HAVE_FREEBSD_XATTRS, 1, [True if you have FreeBSD xattrs]) + AC_DEFINE(SUPPORT_XATTRS, 1) + ;; + solaris*) + AC_MSG_RESULT(Using Solaris xattrs) + AC_DEFINE(HAVE_SOLARIS_XATTRS, 1, [True if you have Solaris xattrs]) + AC_DEFINE(SUPPORT_XATTRS, 1) + AC_DEFINE(NO_SYMLINK_XATTRS, 1, [True if symlinks don't support xattrs]) + ;; + *) + if test x"$enable_xattr_support" = x"yes"; then + AC_MSG_ERROR(Failed to find extended attribute support) + else + AC_MSG_RESULT(No extended attribute support found) + fi + ;; + esac +fi + +if test x"$enable_acl_support" = x"no" -o x"$enable_xattr_support" = x"no" -o x"$enable_iconv" = x"no"; then + AC_MSG_CHECKING([whether $CC supports -Wno-unused-parameter]) + OLD_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -Wno-unused-parameter" + AC_TRY_LINK([#include ], [printf("hello\n");], [rsync_warn_flag=yes], [rsync_warn_flag=no]) + AC_MSG_RESULT([$rsync_warn_flag]) + if test x"$rsync_warn_flag" = x"no"; then + CFLAGS="$OLD_CFLAGS" + fi +fi + +case "$CC" in +' checker'*|checker*) + AC_DEFINE(FORCE_FD_ZERO_MEMSET, 1, [Used to make "checker" understand that FD_ZERO() clears memory.]) + ;; +esac + +AC_CONFIG_FILES([Makefile lib/dummy zlib/dummy popt/dummy shconfig]) +AC_OUTPUT + +AC_MSG_RESULT() +AC_MSG_RESULT([ rsync ${RSYNC_VERSION} configuration successful]) +AC_MSG_RESULT()