-AC_FUNC_SETPGRP
-AC_FUNC_GETPGRP
-AC_CHECK_FUNCS(waitpid strtok pipe getcwd mkdir strdup strerror chown chmod mknod)
-AC_CHECK_FUNCS(fchmod fstat strchr bcopy bzero readlink link utime utimes)
-AC_CHECK_FUNCS(memmove getopt_long lchown setlinebuf)
-
-echo $ac_n "checking for working fnmatch... $ac_c"
-AC_TRY_RUN([#include <fnmatch.h>
-main() { exit(fnmatch("*.o", "x.o", 0) == 0? 0: 1); }],
-echo yes;AC_DEFINE(HAVE_FNMATCH),
-echo no)
-
-echo $ac_n "checking for long long... $ac_c"
-AC_TRY_RUN([#include <stdio.h>
-main() { long long x = 1000000000000; char b[20]; sprintf(b,"%lld", x); exit(strcmp("1000000000000", b) == 0? 0: 1); }],
-echo yes;AC_DEFINE(HAVE_LONGLONG),
-echo no)
-
-echo $ac_n "checking for utimbuf ... $ac_c"
+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 glob strpbrk \
+ strlcat strlcpy strtol mallinfo getgroups setgroups geteuid getegid \
+ setlocale setmode open64 lseek64 mkstemp64 mtrace va_copy __va_copy \
+ strerror putenv iconv_open locale_charset nl_langinfo \
+ sigaction sigprocmask)
+
+AC_CHECK_FUNCS(getpgrp tcgetpgrp)
+if test $ac_cv_func_getpgrp = yes; then
+ AC_FUNC_GETPGRP
+fi
+
+AC_CACHE_CHECK([whether chown() modifies symlinks],rsync_cv_chown_modifies_symlink,[
+ AC_TRY_RUN([
+#if HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+#include <stdlib.h>
+#include <errno.h>
+ 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 <unistd.h>
+#endif
+#include <stdlib.h>
+#include <errno.h>
+#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 <unistd.h>
+#endif
+#include <stdlib.h>
+#include <errno.h>
+#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 $rsync_cv_can_hardlink_special = yes; then
+ AC_DEFINE(CAN_HARDLINK_SPECIAL, 1, [Define to 1 if link() can hard-link special files.])
+fi
+
+AC_CACHE_CHECK([for working socketpair],rsync_cv_HAVE_SOCKETPAIR,[
+AC_TRY_RUN([
+#include <sys/types.h>
+#include <sys/socket.h>
+
+main() {
+ int fd[2];
+ exit((socketpair(AF_UNIX, SOCK_STREAM, 0, fd) != -1) ? 0 : 1);
+}],
+rsync_cv_HAVE_SOCKETPAIR=yes,rsync_cv_HAVE_SOCKETPAIR=no,rsync_cv_HAVE_SOCKETPAIR=cross)])
+if test x"$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"$with_included_popt" != x"yes"; then
+ AC_CHECK_LIB(popt, poptGetContext, , [with_included_popt=yes])
+fi
+
+AC_MSG_CHECKING([whether to use included libpopt])
+if test x"$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 <sys/types.h>
+#include <dirent.h>
+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_UTIMBUF,[