+AC_DEFINE_UNQUOTED(HAVE_REMSH, $HAVE_REMSH, [ ])
+
+
+# arrgh. libc in the current debian stable screws up the largefile
+# stuff, getting byte range locking wrong
+AC_CACHE_CHECK([for broken largefile support],rsync_cv_HAVE_BROKEN_LARGEFILE,[
+AC_TRY_RUN([
+#define _FILE_OFFSET_BITS 64
+#include <stdio.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+
+int main(void)
+{
+ struct flock lock;
+ int status;
+ int fd = open("conftest.dat", O_CREAT|O_RDWR, 0600);
+ lock.l_type = F_WRLCK;
+ lock.l_whence = SEEK_SET;
+ lock.l_start = 0;
+ lock.l_len = 1;
+ lock.l_pid = 0;
+
+ fcntl(fd,F_SETLK,&lock);
+ if (fork() == 0) {
+ lock.l_start = 1;
+ exit(fcntl(fd,F_SETLK,&lock) == 0);
+ }
+ wait(&status);
+ unlink("conftest.dat");
+ exit(WEXITSTATUS(status));
+}
+],
+rsync_cv_HAVE_BROKEN_LARGEFILE=yes,rsync_cv_HAVE_BROKEN_LARGEFILE=no,rsync_cv_HAVE_BROKEN_LARGEFILE=cross)])
+if test x"$rsync_cv_HAVE_BROKEN_LARGEFILE" != x"yes"; then
+ AC_SYS_LARGEFILE
+fi
+
+
+
+AC_DEFINE(ss_family, __ss_family, [KAME hack])
+AC_DEFINE(ss_len, __ss_len, [KAME hack])
+
+CFLAGS="$CFLAGS"
+AC_ARG_ENABLE(ipv6,
+ AC_HELP_STRING([--disable-ipv6], [do not try to support IPv6]))
+AC_MSG_CHECKING([whether IPv6 is explicitly disabled])
+if test "$xenable_ipv6" = xyes
+then
+ AC_MSG_RESULT(yes)
+ ipv6=no
+else
+ AC_MSG_RESULT(no)
+ ipv6=yes
+fi
+
+ipv6type=unknown
+ipv6lib=none
+ipv6trylibc=no
+
+if test "$ipv6" = "yes"; then
+ AC_MSG_CHECKING([ipv6 stack type])
+ for i in inria kame linux-glibc linux-inet6 toshiba v6d zeta; do
+ case $i in
+ inria)
+ # http://www.kame.net/
+ AC_EGREP_CPP(yes, [
+#include <netinet/in.h>
+#ifdef IPV6_INRIA_VERSION
+yes
+#endif],
+ [ipv6type=$i;
+ AC_DEFINE(INET6, 1, [true if you have IPv6])
+ ])
+ ;;
+ kame)
+ # http://www.kame.net/
+ AC_EGREP_CPP(yes, [
+#include <netinet/in.h>
+#ifdef __KAME__
+yes
+#endif],
+ [ipv6type=$i;
+ AC_DEFINE(INET6, 1, [true if you have IPv6])])
+ ;;
+ linux-glibc)
+ # http://www.v6.linux.or.jp/
+ AC_EGREP_CPP(yes, [
+#include <features.h>
+#if defined(__GLIBC__) && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1
+yes
+#endif],
+ [ipv6type=$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 $CFLAGS"
+ fi
+ ;;
+ toshiba)
+ AC_EGREP_CPP(yes, [
+#include <sys/param.h>
+#ifdef _TOSHIBA_INET6
+yes
+#endif],
+ [ipv6type=$i;
+ ipv6lib=inet6;
+ ipv6libdir=/usr/local/v6/lib;
+ AC_DEFINE(INET6, 1, [true if you have IPv6])])
+ ;;
+ v6d)
+ AC_EGREP_CPP(yes, [
+#include </usr/local/v6/include/sys/v6config.h>
+#ifdef __V6D__
+yes
+#endif],
+ [ipv6type=$i;
+ ipv6lib=v6;
+ ipv6libdir=/usr/local/v6/lib;
+ AC_DEFINE(INET6, 1, [true if you have IPv6])])
+ ;;
+ zeta)
+ AC_EGREP_CPP(yes, [
+#include <sys/param.h>
+#ifdef _ZETA_MINAMI_INET6
+yes
+#endif],
+ [ipv6type=$i;
+ ipv6lib=inet6;
+ ipv6libdir=/usr/local/v6/lib;
+ AC_DEFINE(INET6, 1, [true if you have IPv6])])
+ ;;
+ esac
+ if test "$ipv6type" != "unknown"; then
+ break
+ fi
+ done
+ AC_MSG_RESULT($ipv6type)
+fi
+
+if test "$ipv6" = "yes" -a -f /usr/local/v6/lib/libinet6.a; then
+ ac_inet6_LDFLAGS="inet6"
+ ipv6libdir=/usr/local/v6/lib
+ LDFLAGS="$LDFLAGS -L/usr/local/v6/lib"
+ AC_CHECK_LIB(inet6, getaddrinfo, , ipv6lib="$ac_inet6_LDFLAGS")
+fi
+
+if test "$ipv6" = "yes" -a -f /usr/lib/libinet6.a; then
+ ac_inet6_LDFLAGS="inet6"
+ AC_CHECK_LIB(inet6, getaddrinfo, , ipv6lib="$ac_inet6_LDFLAGS")
+fi
+
+if test "$ipv6" = "yes" -a "$ipv6lib" != "none"; then
+ if test -d $ipv6libdir -a -f $ipv6libdir/lib$ipv6lib.a; then
+ LIBS="-L$ipv6libdir -l$ipv6lib $LIBS"
+ echo "You have $ipv6lib library, using it"
+ else
+ if test "$ipv6trylibc" = "yes"; then
+ echo "You do not have $ipv6lib library, using libc"
+ else
+ echo 'Fatal: no $ipv6lib library found. cannot continue.'
+ echo "You need to fetch lib$ipv6lib.a from appropriate"
+ echo 'ipv6 kit and compile beforehand.'
+ exit 1
+ fi
+ fi
+fi
+
+
+AC_MSG_CHECKING(getaddrinfo bug)
+AC_TRY_RUN([
+#include <sys/types.h>
+#include <netdb.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+
+main()
+{
+ int passive, gaierr, inet4 = 0, inet6 = 0;
+ struct addrinfo hints, *ai, *aitop;
+ char straddr[INET6_ADDRSTRLEN], strport[16];
+
+ for (passive = 0; passive <= 1; passive++) {
+ memset(&hints, 0, sizeof(hints));
+ hints.ai_family = AF_UNSPEC;
+ hints.ai_flags = passive ? AI_PASSIVE : 0;
+ hints.ai_socktype = SOCK_STREAM;
+ if ((gaierr = getaddrinfo(NULL, "54321", &hints, &aitop)) != 0) {
+ (void)gai_strerror(gaierr);
+ goto bad;
+ }
+ for (ai = aitop; ai; ai = ai->ai_next) {
+ if (ai->ai_addr == NULL ||
+ ai->ai_addrlen == 0 ||
+ getnameinfo(ai->ai_addr, ai->ai_addrlen,
+ straddr, sizeof(straddr), strport, sizeof(strport),
+ NI_NUMERICHOST|NI_NUMERICSERV) != 0) {
+ goto bad;
+ }
+ switch (ai->ai_family) {
+ case AF_INET:
+ if (strcmp(strport, "54321") != 0) {
+ goto bad;
+ }
+ if (passive) {
+ if (strcmp(straddr, "0.0.0.0") != 0) {
+ goto bad;
+ }
+ } else {
+ if (strcmp(straddr, "127.0.0.1") != 0) {
+ goto bad;
+ }
+ }
+ inet4++;
+ break;
+ case AF_INET6:
+ if (strcmp(strport, "54321") != 0) {
+ goto bad;
+ }
+ if (passive) {
+ if (strcmp(straddr, "::") != 0) {
+ goto bad;
+ }
+ } else {
+ if (strcmp(straddr, "::1") != 0) {
+ goto bad;
+ }
+ }
+ inet6++;
+ break;
+ case AF_UNSPEC:
+ goto bad;
+ break;
+ default:
+ /* another family support? */
+ break;
+ }
+ }
+ }
+
+ if (!(inet4 == 0 || inet4 == 2))
+ goto bad;
+ if (!(inet6 == 0 || inet6 == 2))
+ goto bad;
+
+ if (aitop)
+ freeaddrinfo(aitop);
+ exit(0);
+
+ bad:
+ if (aitop)
+ freeaddrinfo(aitop);
+ exit(1);
+}
+],
+AC_MSG_RESULT(good)
+buggygetaddrinfo=no,
+AC_MSG_RESULT(buggy)
+buggygetaddrinfo=yes,
+AC_MSG_RESULT(buggy)
+buggygetaddrinfo=yes)