dnl
dnl Author: Thomas E. Dickey 1995-on
dnl
-dnl $Id: aclocal.m4,v 1.768 2015/09/26 21:56:12 tom Exp $
+dnl $Id: aclocal.m4,v 1.770 2015/10/10 19:27:07 tom Exp $
dnl Macros used in NCURSES auto-configuration script.
dnl
dnl These macros are maintained separately from NCURSES. The copyright on
])dnl
])])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_AR_FLAGS version: 5 updated: 2010/05/20 20:24:29
+dnl CF_AR_FLAGS version: 6 updated: 2015/10/10 15:25:05
dnl -----------
dnl Check for suitable "ar" (archiver) options for updating an archive.
+dnl
+dnl In particular, handle some obsolete cases where the "-" might be omitted,
+dnl as well as a workaround for breakage of make's archive rules by the GNU
+dnl binutils "ar" program.
AC_DEFUN([CF_AR_FLAGS],[
AC_REQUIRE([CF_PROG_AR])
AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[
cf_cv_ar_flags=unknown
- for cf_ar_flags in -curv curv -crv crv -cqv cqv -rv rv
+ for cf_ar_flags in -curvU -curv curv -crv crv -cqv cqv -rv rv
do
# check if $ARFLAGS already contains this choice
])
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_FUNC_POLL version: 8 updated: 2012/10/04 05:24:07
+dnl CF_FUNC_POLL version: 9 updated: 2015/10/10 13:27:32
dnl ------------
dnl See if the poll function really works. Some platforms have poll(), but
dnl it does not work for terminals or files.
AC_DEFUN([CF_FUNC_POLL],[
+tty 2>&1 >/dev/null || { AC_CHECK_FUNCS(posix_openpt) }
AC_CACHE_CHECK(if poll really works,cf_cv_working_poll,[
AC_TRY_RUN([
#include <stdlib.h>
#else
#include <sys/poll.h>
#endif
-int main() {
+int main(void) {
struct pollfd myfds;
int ret;
if (!isatty(fd)) {
fd = open("/dev/tty", 2); /* O_RDWR */
}
+#ifdef HAVE_POSIX_OPENPT
+ if (fd < 0) {
+ fd = posix_openpt(O_RDWR);
+ }
+#endif
if (fd >= 0) {
/* also check with standard input */