configure.in

   1 dnl Process this file with autoconf to produce a configure script.
   2
   3 AC_INIT(byteorder.h)
   4 AC_CONFIG_HEADER(config.h)
   5 AC_PREREQ(2.52)
   6
   7 LDFLAGS=${LDFLAGS-""}
   8
   9 AC_CANONICAL_SYSTEM
  10 AC_VALIDATE_CACHE_SYSTEM_TYPE
  11
  12 # compile with optimisation and without debugging by default, unless
  13 # --debug is given.  We must decide this before testing the compiler.
  14
  15 AC_ARG_ENABLE(debug,
  16         [  --enable-debug          including debugging symbols and features])
  17
  18 AC_MSG_CHECKING([whether to include debugging symbols])
  19 if test x"$enable_debug" = x"yes"
  20 then
  21     AC_MSG_RESULT(yes)
  22     # leave CFLAGS alone; AC_PROG_CC will try to include -g if it can
  23     AC_DEFINE(DEBUG, 1, [Define to turn on debugging code that may slow normal operation])
  24     CFLAGS=${CFLAGS-"-g"}
  25 else
  26     AC_MSG_RESULT(no)
  27     CFLAGS=${CFLAGS-"-O"}
  28 fi
  29
  30 CFLAGS="$CFLAGS -DHAVE_CONFIG_H"
  31
  32 AC_ARG_WITH(included-popt,
  33         [  --with-included-popt    use bundled popt library, not from system])
  34
  35 AC_ARG_WITH(rsync-path,
  36         [  --with-rsync-path=PATH  set default --rsync-path to PATH (default: \"rsync\")],
  37         [ RSYNC_PATH="$with_rsync_path" ],
  38         [ RSYNC_PATH="rsync" ])
  39 AC_DEFINE_UNQUOTED(RSYNC_PATH, "$RSYNC_PATH", [ ])
  40
  41 dnl Checks for programs.
  42 AC_PROG_CC
  43 AC_PROG_CPP
  44 AC_PROG_INSTALL
  45 AC_SUBST(SHELL)
  46
  47 AC_CHECK_PROG(HAVE_REMSH, remsh, 1, 0)
  48 AC_DEFINE_UNQUOTED(HAVE_REMSH, $HAVE_REMSH, [ ])
  49
  50
  51 # arrgh. libc in the current debian stable screws up the largefile
  52 # stuff, getting byte range locking wrong
  53 AC_CACHE_CHECK([for broken largefile support],rsync_cv_HAVE_BROKEN_LARGEFILE,[
  54 AC_TRY_RUN([
  55 #define _FILE_OFFSET_BITS 64
  56 #include <stdio.h>
  57 #include <fcntl.h>
  58 #include <sys/types.h>
  59 #include <sys/wait.h>
  60
  61 int main(void)
  62 {
  63         struct flock lock;
  64         int status;
  65         int fd = open("conftest.dat", O_CREAT|O_RDWR, 0600);
  66         lock.l_type = F_WRLCK;
  67         lock.l_whence = SEEK_SET;
  68         lock.l_start = 0;
  69         lock.l_len = 1;
  70         lock.l_pid = 0;
  71
  72         fcntl(fd,F_SETLK,&lock);
  73         if (fork() == 0) {
  74                 lock.l_start = 1;
  75                 exit(fcntl(fd,F_SETLK,&lock) == 0);
  76         }
  77         wait(&status);
  78         unlink("conftest.dat");
  79         exit(WEXITSTATUS(status));
  80 }
  81 ],
  82 rsync_cv_HAVE_BROKEN_LARGEFILE=yes,rsync_cv_HAVE_BROKEN_LARGEFILE=no,rsync_cv_HAVE_BROKEN_LARGEFILE=cross)])
  83 if test x"$rsync_cv_HAVE_BROKEN_LARGEFILE" != x"yes"; then
  84    AC_SYS_LARGEFILE
  85 fi
  86
  87
  88
  89 AC_DEFINE(ss_family, __ss_family)
  90 AC_DEFINE(ss_len, __ss_len)
  91 CFLAGS="$CFLAGS"
  92 AC_MSG_CHECKING([whether to enable ipv6])
  93 AC_ARG_ENABLE(ipv6,
  94 [  --enable-ipv6                Enable ipv6 (with ipv4) support
  95   --disable-ipv6                Disable ipv6 support],
  96 [ case "$enableval" in
  97   no)
  98        AC_MSG_RESULT(no)
  99        ipv6=no
 100        ;;
 101   *)   AC_MSG_RESULT(yes)
 102        AC_DEFINE(ENABLE_IPV6)
 103        ipv6=yes
 104        ;;
 105   esac ],
 106
 107   AC_TRY_COMPILE([ /* AF_INET6 avalable check */
 108 #include <sys/types.h>
 109 #include <sys/socket.h>
 110 main()
 111 {
 112  if (socket(AF_INET6, SOCK_STREAM, 0) < 0)
 113    exit(1);
 114  else
 115    exit(0);
 116 }
 117 ],
 118   AC_MSG_RESULT(yes)
 119   AC_DEFINE(ENABLE_IPV6)
 120   ipv6=yes,
 121   AC_MSG_RESULT(no)
 122   ipv6=no,
 123   AC_MSG_RESULT(no)
 124   ipv6=no
 125 ))
 126
 127 ipv6type=unknown
 128 ipv6lib=none
 129 ipv6trylibc=no
 130
 131 if test "$ipv6" = "yes"; then
 132         AC_MSG_CHECKING([ipv6 stack type])
 133         for i in inria kame linux-glibc linux-inet6 toshiba v6d zeta; do
 134                 case $i in
 135                 inria)
 136                         # http://www.kame.net/
 137                         AC_EGREP_CPP(yes, [
 138 #include <netinet/in.h>
 139 #ifdef IPV6_INRIA_VERSION
 140 yes
 141 #endif],
 142                                 [ipv6type=$i;
 143                                 CFLAGS="-DINET6 $CFLAGS"])
 144                         ;;
 145                 kame)
 146                         # http://www.kame.net/
 147                         AC_EGREP_CPP(yes, [
 148 #include <netinet/in.h>
 149 #ifdef __KAME__
 150 yes
 151 #endif],
 152                                 [ipv6type=$i;
 153                                 CFLAGS="-DINET6 $CFLAGS"])
 154                         ;;
 155                 linux-glibc)
 156                         # http://www.v6.linux.or.jp/
 157                         AC_EGREP_CPP(yes, [
 158 #include <features.h>
 159 #if defined(__GLIBC__) && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1
 160 yes
 161 #endif],
 162                                 [ipv6type=$i;
 163                                 CFLAGS="-DINET6 $CFLAGS"])
 164                         ;;
 165                 linux-inet6)
 166                         # http://www.v6.linux.or.jp/
 167                         if test -d /usr/inet6 -o -f /usr/inet6/lib/libinet6.a; then
 168                                 ipv6type=$i
 169                                 ipv6lib=inet6
 170                                 ipv6libdir=/usr/inet6/lib
 171                                 ipv6trylibc=yes;
 172                                 CFLAGS="-DINET6 -I/usr/inet6/include $CFLAGS"
 173                         fi
 174                         ;;
 175                 toshiba)
 176                         AC_EGREP_CPP(yes, [
 177 #include <sys/param.h>
 178 #ifdef _TOSHIBA_INET6
 179 yes
 180 #endif],
 181                                 [ipv6type=$i;
 182                                 ipv6lib=inet6;
 183                                 ipv6libdir=/usr/local/v6/lib;
 184                                 CFLAGS="-DINET6 $CFLAGS"])
 185                         ;;
 186                 v6d)
 187                         AC_EGREP_CPP(yes, [
 188 #include </usr/local/v6/include/sys/v6config.h>
 189 #ifdef __V6D__
 190 yes
 191 #endif],
 192                                 [ipv6type=$i;
 193                                 ipv6lib=v6;
 194                                 ipv6libdir=/usr/local/v6/lib;
 195                                 CFLAGS="-I/usr/local/v6/include $CFLAGS"])
 196                         ;;
 197                 zeta)
 198                         AC_EGREP_CPP(yes, [
 199 #include <sys/param.h>
 200 #ifdef _ZETA_MINAMI_INET6
 201 yes
 202 #endif],
 203                                 [ipv6type=$i;
 204                                 ipv6lib=inet6;
 205                                 ipv6libdir=/usr/local/v6/lib;
 206                                 CFLAGS="-DINET6 $CFLAGS"])
 207                         ;;
 208                 esac
 209                 if test "$ipv6type" != "unknown"; then
 210                         break
 211                 fi
 212         done
 213         AC_MSG_RESULT($ipv6type)
 214 fi
 215
 216 if test "$ipv6" = "yes" -a -f /usr/local/v6/lib/libinet6.a; then
 217         ac_inet6_LDFLAGS="inet6"
 218         ipv6libdir=/usr/local/v6/lib
 219         LDFLAGS="$LDFLAGS -L/usr/local/v6/lib"
 220         AC_CHECK_LIB(inet6, getaddrinfo, , ipv6lib="$ac_inet6_LDFLAGS")
 221 fi
 222
 223 if test "$ipv6" = "yes" -a -f /usr/lib/libinet6.a; then
 224         ac_inet6_LDFLAGS="inet6"
 225         AC_CHECK_LIB(inet6, getaddrinfo, , ipv6lib="$ac_inet6_LDFLAGS")
 226 fi
 227
 228 if test "$ipv6" = "yes" -a "$ipv6lib" != "none"; then
 229         if test -d $ipv6libdir -a -f $ipv6libdir/lib$ipv6lib.a; then
 230                 LIBS="-L$ipv6libdir -l$ipv6lib $LIBS"
 231                 echo "You have $ipv6lib library, using it"
 232         else
 233                 if test "$ipv6trylibc" = "yes"; then
 234                         echo "You do not have $ipv6lib library, using libc"
 235                 else
 236                         echo 'Fatal: no $ipv6lib library found.  cannot continue.'
 237                         echo "You need to fetch lib$ipv6lib.a from appropriate"
 238                         echo 'ipv6 kit and compile beforehand.'
 239                         exit 1
 240                 fi
 241         fi
 242 fi
 243
 244
 245 AC_MSG_CHECKING(getaddrinfo bug)
 246 AC_TRY_RUN([
 247 #include <sys/types.h>
 248 #include <netdb.h>
 249 #include <string.h>
 250 #include <sys/socket.h>
 251 #include <netinet/in.h>
 252
 253 main()
 254 {
 255   int passive, gaierr, inet4 = 0, inet6 = 0;
 256   struct addrinfo hints, *ai, *aitop;
 257   char straddr[INET6_ADDRSTRLEN], strport[16];
 258
 259   for (passive = 0; passive <= 1; passive++) {
 260     memset(&hints, 0, sizeof(hints));
 261     hints.ai_family = AF_UNSPEC;
 262     hints.ai_flags = passive ? AI_PASSIVE : 0;
 263     hints.ai_socktype = SOCK_STREAM;
 264     if ((gaierr = getaddrinfo(NULL, "54321", &hints, &aitop)) != 0) {
 265       (void)gai_strerror(gaierr);
 266       goto bad;
 267     }
 268     for (ai = aitop; ai; ai = ai->ai_next) {
 269       if (ai->ai_addr == NULL ||
 270           ai->ai_addrlen == 0 ||
 271           getnameinfo(ai->ai_addr, ai->ai_addrlen,
 272                       straddr, sizeof(straddr), strport, sizeof(strport),
 273                       NI_NUMERICHOST|NI_NUMERICSERV) != 0) {
 274         goto bad;
 275       }
 276       switch (ai->ai_family) {
 277       case AF_INET:
 278         if (strcmp(strport, "54321") != 0) {
 279           goto bad;
 280         }
 281         if (passive) {
 282           if (strcmp(straddr, "0.0.0.0") != 0) {
 283             goto bad;
 284           }
 285         } else {
 286           if (strcmp(straddr, "127.0.0.1") != 0) {
 287             goto bad;
 288           }
 289         }
 290         inet4++;
 291         break;
 292       case AF_INET6:
 293         if (strcmp(strport, "54321") != 0) {
 294           goto bad;
 295         }
 296         if (passive) {
 297           if (strcmp(straddr, "::") != 0) {
 298             goto bad;
 299           }
 300         } else {
 301           if (strcmp(straddr, "::1") != 0) {
 302             goto bad;
 303           }
 304         }
 305         inet6++;
 306         break;
 307       case AF_UNSPEC:
 308         goto bad;
 309         break;
 310       default:
 311         /* another family support? */
 312         break;
 313       }
 314     }
 315   }
 316
 317   if (!(inet4 == 0 || inet4 == 2))
 318     goto bad;
 319   if (!(inet6 == 0 || inet6 == 2))
 320     goto bad;
 321
 322   if (aitop)
 323     freeaddrinfo(aitop);
 324   exit(0);
 325
 326  bad:
 327   if (aitop)
 328     freeaddrinfo(aitop);
 329   exit(1);
 330 }
 331 ],
 332 AC_MSG_RESULT(good)
 333 buggygetaddrinfo=no,
 334 AC_MSG_RESULT(buggy)
 335 buggygetaddrinfo=yes,
 336 AC_MSG_RESULT(buggy)
 337 buggygetaddrinfo=yes)
 338
 339 if test "$buggygetaddrinfo" = "yes"; then
 340         if test "$ipv6" = "yes" -a "$ipv6type" != "linux"; then
 341                 echo 'Fatal: You must get working getaddrinfo() function.'
 342                 echo '       or you can specify "--disable-ipv6"'.
 343                 exit 1
 344         elif test "$ipv6type" = "linux"; then
 345                 echo 'Warning: getaddrinfo() implementation on your system seems be buggy.'
 346                 echo '         Better upgreade your system library to newest version'
 347                 echo '         of GNU C library (aka glibc).'
 348         fi
 349 fi
 350 AC_REPLACE_FUNCS(getaddrinfo getnameinfo)
 351
 352 AC_MSG_CHECKING([whether struct sockaddr has sa_len])
 353 AC_TRY_COMPILE([
 354 #include <sys/types.h>
 355 #include <sys/socket.h>
 356 ],[
 357 struct sockaddr s;
 358 int i = s.sa_len;
 359 ],
 360 [       AC_MSG_RESULT(yes)
 361         AC_DEFINE(HAVE_SOCKADDR_LEN)],
 362 [       AC_MSG_RESULT(no),
 363         ],
 364 [       AC_MSG_RESULT(unknown),
 365         ])
 366
 367
 368 AC_C_BIGENDIAN
 369 AC_HEADER_DIRENT
 370 AC_HEADER_TIME
 371 AC_HEADER_SYS_WAIT
 372 AC_CHECK_HEADERS(sys/fcntl.h sys/select.h fcntl.h sys/time.h sys/unistd.h unistd.h utime.h grp.h)
 373 AC_CHECK_HEADERS(compat.h sys/param.h ctype.h sys/wait.h sys/ioctl.h)
 374 AC_CHECK_HEADERS(sys/filio.h string.h stdlib.h sys/socket.h sys/mode.h)
 375 AC_CHECK_HEADERS(glob.h alloca.h mcheck.h)
 376
 377 AC_CHECK_SIZEOF(int)
 378 AC_CHECK_SIZEOF(long)
 379 AC_CHECK_SIZEOF(short)
 380
 381 AC_C_INLINE
 382
 383 AC_TYPE_SIGNAL
 384 AC_TYPE_UID_T
 385 AC_TYPE_MODE_T
 386 AC_TYPE_OFF_T
 387 AC_TYPE_SIZE_T
 388 AC_TYPE_PID_T
 389 AC_TYPE_GETGROUPS
 390 AC_STRUCT_ST_RDEV
 391 AC_CHECK_TYPE([ino_t], [unsigned])
 392 TYPE_SOCKLEN_T
 393
 394 AC_CACHE_CHECK([for errno in errno.h],rsync_cv_errno, [
 395     AC_TRY_COMPILE([#include <errno.h>],[int i = errno],
 396         rsync_cv_errno=yes,rsync_cv_have_errno_decl=no)])
 397 if test x"$rsync_cv_errno" = x"yes"; then
 398    AC_DEFINE(HAVE_ERRNO_DECL, 1, [ ])
 399 fi
 400
 401 # The following test taken from the cvs sources
 402 # If we can't find connect, try looking in -lsocket, -lnsl, and -linet.
 403 # These need checks to be before checks for any other functions that
 404 #    might be in the same libraries.
 405 # The Irix 5 libc.so has connect and gethostbyname, but Irix 5 also has
 406 # libsocket.so which has a bad implementation of gethostbyname (it
 407 # only looks in /etc/hosts), so we only look for -lsocket if we need
 408 # it.
 409 AC_CHECK_FUNCS(connect)
 410 if test x"$ac_cv_func_connect" = x"no"; then
 411     case "$LIBS" in
 412     *-lnsl*) ;;
 413     *) AC_CHECK_LIB(nsl_s, printf) ;;
 414     esac
 415     case "$LIBS" in
 416     *-lnsl*) ;;
 417     *) AC_CHECK_LIB(nsl, printf) ;;
 418     esac
 419     case "$LIBS" in
 420     *-lsocket*) ;;
 421     *) AC_CHECK_LIB(socket, connect) ;;
 422     esac
 423     case "$LIBS" in
 424     *-linet*) ;;
 425     *) AC_CHECK_LIB(inet, connect) ;;
 426     esac
 427     dnl We can't just call AC_CHECK_FUNCS(connect) here, because the value
 428     dnl has been cached.
 429     if test x"$ac_cv_lib_socket_connect" = x"yes" ||
 430        test x"$ac_cv_lib_inet_connect" = x"yes"; then
 431         # ac_cv_func_connect=yes
 432         # don't!  it would cause AC_CHECK_FUNC to succeed next time configure is run
 433         AC_DEFINE(HAVE_CONNECT, 1, [ ])
 434     fi
 435 fi
 436
 437 #
 438 # if we can't find strcasecmp, look in -lresolv (for Unixware at least)
 439 #
 440 AC_CHECK_FUNCS(strcasecmp)
 441 if test x"$ac_cv_func_strcasecmp" = x"no"; then
 442     AC_CHECK_LIB(resolv, strcasecmp)
 443 fi
 444
 445 AC_FUNC_MEMCMP
 446 AC_FUNC_UTIME_NULL
 447 AC_CHECK_FUNCS(waitpid wait4 getcwd strdup strerror chown chmod mknod)
 448 AC_CHECK_FUNCS(fchmod fstat strchr readlink link utime utimes strftime)
 449 AC_CHECK_FUNCS(memmove lchown vsnprintf snprintf asprintf setsid glob strpbrk)
 450 AC_CHECK_FUNCS(strlcat strlcpy mtrace)
 451
 452 AC_CACHE_CHECK([for working socketpair],rsync_cv_HAVE_SOCKETPAIR,[
 453 AC_TRY_RUN([#include <sys/types.h>
 454             #include <sys/socket.h>
 455             main() {
 456                 int fd[2];
 457                 exit((socketpair(AF_UNIX, SOCK_STREAM, 0, fd) != -1) ? 0 : 1);
 458             }],
 459 rsync_cv_HAVE_SOCKETPAIR=yes,rsync_cv_HAVE_SOCKETPAIR=no,rsync_cv_HAVE_SOCKETPAIR=cross)])
 460 if test x"$rsync_cv_HAVE_SOCKETPAIR" = x"yes"; then
 461     AC_DEFINE(HAVE_SOCKETPAIR, 1, [ ])
 462 fi
 463
 464 AC_CACHE_CHECK([for working fnmatch],rsync_cv_HAVE_FNMATCH,[
 465 AC_TRY_RUN([#include <fnmatch.h>
 466 main() { exit((fnmatch("*.o", "x.o", FNM_PATHNAME) == 0 &&
 467                fnmatch("a/b/*", "a/b/c/d", FNM_PATHNAME) != 0) ? 0: 1); }],
 468 rsync_cv_HAVE_FNMATCH=yes,rsync_cv_HAVE_FNMATCH=no,rsync_cv_HAVE_FNMATCH=cross)])
 469 if test x"$rsync_cv_HAVE_FNMATCH" = x"yes"; then
 470     AC_DEFINE(HAVE_FNMATCH, 1, [ ])
 471 fi
 472
 473 if test x"$with_included_popt" != x"yes"
 474 then
 475     AC_CHECK_LIB(popt, poptGetContext, , [with_included_popt=yes])
 476 fi
 477
 478 AC_MSG_CHECKING([whether to use included libpopt])
 479 if test x"$with_included_popt" = x"yes"
 480 then
 481     AC_MSG_RESULT($srcdir/popt)
 482     BUILD_POPT='$(popt_OBJS)'
 483     CFLAGS="$CFLAGS -I$srcdir/popt"
 484 else
 485     AC_MSG_RESULT(no)
 486 fi
 487
 488 AC_CACHE_CHECK([for long long],rsync_cv_HAVE_LONGLONG,[
 489 AC_TRY_RUN([#include <stdio.h>
 490 main() { long long x = 1000000; x *= x; exit(((x/1000000) == 1000000)? 0: 1); }],
 491 rsync_cv_HAVE_LONGLONG=yes,rsync_cv_HAVE_LONGLONG=no,rsync_cv_HAVE_LONGLONG=cross)])
 492 if test x"$rsync_cv_HAVE_LONGLONG" = x"yes"; then
 493     AC_DEFINE(HAVE_LONGLONG, 1, [ ])
 494 fi
 495
 496 AC_CACHE_CHECK([for off64_t],rsync_cv_HAVE_OFF64_T,[
 497 AC_TRY_RUN([#include <stdio.h>
 498 #include <sys/stat.h>
 499 main() { struct stat64 st; off64_t s; if (sizeof(off_t) == sizeof(off64_t)) exit(1); exit((lstat64("/dev/null", &st)==0)?0:1); }],
 500 rsync_cv_HAVE_OFF64_T=yes,rsync_cv_HAVE_OFF64_T=no,rsync_cv_HAVE_OFF64_T=cross)])
 501 if test x"$rsync_cv_HAVE_OFF64_T" = x"yes"; then
 502     AC_DEFINE(HAVE_OFF64_T, 1, [ ])
 503 fi
 504
 505 AC_CACHE_CHECK([for short ino_t],rsync_cv_HAVE_SHORT_INO_T,[
 506 AC_TRY_RUN([#include <stdio.h>
 507 #include <sys/types.h>
 508 #include <sys/stat.h>
 509 main() { if (sizeof(ino_t) < sizeof(unsigned int)) return 0; return 1; }],
 510 rsync_cv_HAVE_SHORT_INO_T=yes,rsync_cv_HAVE_SHORT_INO_T=no,rsync_cv_HAVE_SHORT_INO_T=cross)])
 511 if test x"$rsync_cv_HAVE_SHORT_INO_T" = x"yes"; then
 512     AC_DEFINE(HAVE_SHORT_INO_T, 1, [ ])
 513 fi
 514
 515 AC_CACHE_CHECK([for unsigned char],rsync_cv_HAVE_UNSIGNED_CHAR,[
 516 AC_TRY_RUN([#include <stdio.h>
 517 main() { char c; c=250; exit((c > 0)?0:1); }],
 518 rsync_cv_HAVE_UNSIGNED_CHAR=yes,rsync_cv_HAVE_UNSIGNED_CHAR=no,rsync_cv_HAVE_UNSIGNED_CHAR=cross)])
 519 if test x"$rsync_cv_HAVE_UNSIGNED_CHAR" = x"yes"; then
 520     AC_DEFINE(HAVE_UNSIGNED_CHAR, 1, [ ])
 521 fi
 522
 523 AC_CACHE_CHECK([for broken readdir],rsync_cv_HAVE_BROKEN_READDIR,[
 524 AC_TRY_RUN([#include <sys/types.h>
 525 #include <dirent.h>
 526 main() { struct dirent *di; DIR *d = opendir("."); di = readdir(d);
 527 if (di && di->d_name[-2] == '.' && di->d_name[-1] == 0 &&
 528 di->d_name[0] == 0) exit(0); exit(1);} ],
 529 rsync_cv_HAVE_BROKEN_READDIR=yes,rsync_cv_HAVE_BROKEN_READDIR=no,rsync_cv_HAVE_BROKEN_READDIR=cross)])
 530 if test x"$rsync_cv_HAVE_BROKEN_READDIR" = x"yes"; then
 531     AC_DEFINE(HAVE_BROKEN_READDIR, 1, [ ])
 532 fi
 533
 534 AC_CACHE_CHECK([for utimbuf],rsync_cv_HAVE_UTIMBUF,[
 535 AC_TRY_COMPILE([#include <sys/types.h>
 536 #include <utime.h>],
 537 [struct utimbuf tbuf;  tbuf.actime = 0; tbuf.modtime = 1; exit(utime("foo.c",&tbuf));],
 538 rsync_cv_HAVE_UTIMBUF=yes,rsync_cv_HAVE_UTIMBUF=no,rsync_cv_HAVE_UTIMBUF=cross)])
 539 if test x"$rsync_cv_HAVE_UTIMBUF" = x"yes"; then
 540     AC_DEFINE(HAVE_UTIMBUF, 1, [ ])
 541 fi
 542
 543 AC_CACHE_CHECK([if gettimeofday takes tz argument],rsync_cv_HAVE_GETTIMEOFDAY_TZ,[
 544 AC_TRY_RUN([
 545 #include <sys/time.h>
 546 #include <unistd.h>
 547 main() { struct timeval tv; exit(gettimeofday(&tv, NULL));}],
 548            rsync_cv_HAVE_GETTIMEOFDAY_TZ=yes,rsync_cv_HAVE_GETTIMEOFDAY_TZ=no,rsync_cv_HAVE_GETTIMEOFDAY_TZ=cross)])
 549 if test x"$rsync_cv_HAVE_GETTIMEOFDAY_TZ" = x"yes"; then
 550     AC_DEFINE(HAVE_GETTIMEOFDAY_TZ, 1, [ ])
 551 fi
 552
 553 AC_CACHE_CHECK([for C99 vsnprintf],rsync_cv_HAVE_C99_VSNPRINTF,[
 554 AC_TRY_RUN([
 555 #include <sys/types.h>
 556 #include <stdarg.h>
 557 void foo(const char *format, ...) {
 558        va_list ap;
 559        int len;
 560        char buf[5];
 561
 562        va_start(ap, format);
 563        len = vsnprintf(0, 0, format, ap);
 564        va_end(ap);
 565        if (len != 5) exit(1);
 566
 567        if (snprintf(buf, 3, "hello") != 5 || strcmp(buf, "he") != 0) exit(1);
 568
 569        exit(0);
 570 }
 571 main() { foo("hello"); }
 572 ],
 573 rsync_cv_HAVE_C99_VSNPRINTF=yes,rsync_cv_HAVE_C99_VSNPRINTF=no,rsync_cv_HAVE_C99_VSNPRINTF=cross)])
 574 if test x"$rsync_cv_HAVE_C99_VSNPRINTF" = x"yes"; then
 575     AC_DEFINE(HAVE_C99_VSNPRINTF, 1, [ ])
 576 fi
 577
 578
 579 AC_CACHE_CHECK([for secure mkstemp],rsync_cv_HAVE_SECURE_MKSTEMP,[
 580 AC_TRY_RUN([#include <stdlib.h>
 581 #include <sys/types.h>
 582 #include <sys/stat.h>
 583 #include <unistd.h>
 584 main() {
 585   struct stat st;
 586   char tpl[20]="/tmp/test.XXXXXX";
 587   int fd = mkstemp(tpl);
 588   if (fd == -1) exit(1);
 589   unlink(tpl);
 590   if (fstat(fd, &st) != 0) exit(1);
 591   if ((st.st_mode & 0777) != 0600) exit(1);
 592   exit(0);
 593 }],
 594 rsync_cv_HAVE_SECURE_MKSTEMP=yes,
 595 rsync_cv_HAVE_SECURE_MKSTEMP=no,
 596 rsync_cv_HAVE_SECURE_MKSTEMP=cross)])
 597 if test x"$rsync_cv_HAVE_SECURE_MKSTEMP" = x"yes"; then
 598     AC_DEFINE(HAVE_SECURE_MKSTEMP, 1, [ ])
 599 fi
 600
 601
 602 AC_CACHE_CHECK([for broken inet_ntoa],rsync_cv_REPLACE_INET_NTOA,[
 603 AC_TRY_RUN([
 604 #include <stdio.h>
 605 #include <sys/types.h>
 606 #include <netinet/in.h>
 607 #include <arpa/inet.h>
 608 main() { struct in_addr ip; ip.s_addr = 0x12345678;
 609 if (strcmp(inet_ntoa(ip),"18.52.86.120") &&
 610     strcmp(inet_ntoa(ip),"120.86.52.18")) { exit(1); }
 611 exit(0);}],
 612            rsync_cv_REPLACE_INET_NTOA=no,rsync_cv_REPLACE_INET_NTOA=yes,rsync_cv_REPLACE_INET_NTOA=cross)])
 613 if test x"$rsync_cv_REPLACE_INET_NTOA" = x"yes"; then
 614     AC_DEFINE(REPLACE_INET_NTOA, 1, [ ])
 615 fi
 616
 617
 618 AC_CACHE_CHECK([for broken inet_aton],rsync_cv_REPLACE_INET_ATON,[
 619 AC_TRY_RUN([
 620 #include <stdio.h>
 621 #include <sys/types.h>
 622 #include <netinet/in.h>
 623 #include <arpa/inet.h>
 624 main() { struct in_addr ip;
 625 if (inet_aton("example", &ip) == 0) exit(0); exit(1);}],
 626            rsync_cv_REPLACE_INET_ATON=no,rsync_cv_REPLACE_INET_ATON=yes,rsync_cv_REPLACE_INET_ATON=cross)])
 627 if test x"$rsync_cv_REPLACE_INET_ATON" = x"yes"; then
 628     AC_DEFINE(REPLACE_INET_ATON, 1, [ ])
 629 fi
 630
 631 #
 632 # The following test was mostly taken from the tcl/tk plus patches
 633 #
 634 AC_CACHE_CHECK([whether -c -o works],rsync_cv_DASHC_WORKS_WITH_DASHO,[
 635 rm -rf conftest*
 636 cat > conftest.$ac_ext <<EOF
 637 int main() { return 0; }
 638 EOF
 639 ${CC-cc} -c -o conftest..o conftest.$ac_ext
 640 if test -f conftest..o; then
 641     rsync_cv_DASHC_WORKS_WITH_DASHO=yes
 642 else
 643     rsync_cv_DASHC_WORKS_WITH_DASHO=no
 644 fi
 645 rm -rf conftest*
 646 ])
 647 if test x"$rsync_cv_DASHC_WORKS_WITH_DASHO" = x"yes"; then
 648     OBJ_SAVE="#"
 649     OBJ_RESTORE="#"
 650     CC_SHOBJ_FLAG='-o $@'
 651 else
 652     OBJ_SAVE='  @b=`basename $@ .o`;rm -f $$b.o.sav;if test -f $$b.o; then mv $$b.o $$b.o.sav;fi;'
 653     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'
 654     CC_SHOBJ_FLAG=""
 655 fi
 656
 657 AC_SUBST(OBJ_SAVE)
 658 AC_SUBST(OBJ_RESTORE)
 659 AC_SUBST(CC_SHOBJ_FLAG)
 660 AC_SUBST(BUILD_POPT)
 661
 662 AC_OUTPUT(Makefile lib/dummy zlib/dummy popt/dummy shconfig)