+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 <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"$with_included_popt" != x"yes"; then
+ AC_CHECK_LIB(popt, poptGetContext, , [with_included_popt=yes])
+fi
+if test x"$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 <popt/popt.h>"
+ # 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 <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"$rsync_cv_HAVE_BROKEN_READDIR" = x"yes"; then
+ AC_DEFINE(HAVE_BROKEN_READDIR, 1, [Define to 1 if readdir() is broken])
+fi
+
+AC_CACHE_CHECK([for utimbuf],rsync_cv_HAVE_STRUCT_UTIMBUF,[
+AC_TRY_COMPILE([#include <sys/types.h>
+#include <utime.h>],
+[struct utimbuf tbuf; tbuf.actime = 0; tbuf.modtime = 1; exit(utime("foo.c",&tbuf));],
+rsync_cv_HAVE_STRUCT_UTIMBUF=yes,rsync_cv_HAVE_STRUCT_UTIMBUF=no)])
+if test x"$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 <sys/time.h>
+#include <unistd.h>],
+[struct timeval tv; exit(gettimeofday(&tv, NULL));],
+rsync_cv_HAVE_GETTIMEOFDAY_TZ=yes,rsync_cv_HAVE_GETTIMEOFDAY_TZ=no)])
+if test x"$rsync_cv_HAVE_GETTIMEOFDAY_TZ" != x"no"; then
+ AC_DEFINE(HAVE_GETTIMEOFDAY_TZ, 1, [Define to 1 if gettimeofday() takes a time-zone arg])
+fi
+
+AC_CACHE_CHECK([for C99 vsnprintf],rsync_cv_HAVE_C99_VSNPRINTF,[
+AC_TRY_RUN([
+#include <sys/types.h>
+#include <stdarg.h>
+void foo(const char *format, ...) {
+ va_list ap;
+ int len;
+ char buf[5];
+
+ va_start(ap, format);
+ len = vsnprintf(0, 0, format, ap);
+ va_end(ap);
+ if (len != 5) exit(1);
+
+ if (snprintf(buf, 3, "hello") != 5 || strcmp(buf, "he") != 0) exit(1);
+
+ exit(0);
+}
+main() { foo("hello"); }
+],
+rsync_cv_HAVE_C99_VSNPRINTF=yes,rsync_cv_HAVE_C99_VSNPRINTF=no,rsync_cv_HAVE_C99_VSNPRINTF=cross)])
+if test x"$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 <stdlib.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+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 $host_os in
+ hpux*)
+ dnl HP-UX has a broken mkstemp() implementation they refuse to fix,
+ dnl so we noisily skip using it. See HP change request JAGaf34426
+ dnl for details. (sbonds)
+ AC_MSG_WARN(Skipping broken HP-UX mkstemp() -- using mktemp() instead)
+ ;;
+ *)
+ AC_DEFINE(HAVE_SECURE_MKSTEMP, 1, [Define to 1 if mkstemp() is available and works right])
+ ;;
+ esac
+fi
+
+
+AC_CACHE_CHECK([if mknod creates FIFOs],rsync_cv_MKNOD_CREATES_FIFOS,[
+AC_TRY_RUN([
+#include <stdio.h>
+#include <sys/stat.h>
+#include <errno.h>
+main() { int rc, ec; char *fn = "fifo-test";
+unlink(fn); rc = mknod(fn,S_IFIFO,0600); ec = errno; unlink(fn);
+if (rc) {printf("(%d %d) ",rc,ec); return ec;}
+return 0;}],
+ rsync_cv_MKNOD_CREATES_FIFOS=yes,rsync_cv_MKNOD_CREATES_FIFOS=no,rsync_cv_MKNOD_CREATES_FIFOS=cross)])
+if test x"$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 <stdio.h>
+#include <sys/stat.h>
+#include <errno.h>
+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
+