Package: libncursesw5
Version: 5.9-8
Severity: important
Tags: upstream
at line 15732 in ./configure
echo "$as_me:15718: checking if poll really works" >&5
echo $ECHO_N "checking if poll really works... $ECHO_C" >&6
if test "${cf_cv_working_poll+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
if test "$cross_compiling" = yes; then
cf_cv_working_poll=unknown
else
cat >conftest.$ac_ext <<_ACEOF
#line 15728 "configure"
#include "confdefs.h"
#include <stdio.h>
#ifdef HAVE_POLL_H
#include <poll.h>
#else
#include <sys/poll.h>
#endif
int main() {
struct pollfd myfds;
int ret;
myfds.fd = 0;
myfds.events = POLLIN;
ret = poll(&myfds, 1, 100);
${cf_cv_main_return:-return}(ret != 0);
}
_ACEOF
rm -f conftest$ac_exeext
if { (eval echo "$as_me:15749: \"$ac_link\"") >&5
(eval $ac_link) 2>&5
ac_status=$?
echo "$as_me:15752: \$? = $ac_status" >&5
(exit $ac_status); } && { ac_try='./conftest$ac_exeext'
{ (eval echo "$as_me:15754: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:15757: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
cf_cv_working_poll=yes
else
echo "$as_me: program exited with status $ac_status" >&5
echo "$as_me: failed program was:" >&5
cat conftest.$ac_ext >&5
cf_cv_working_poll=no
fi
rm -f core core.* *.core conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
fi
fi
echo "$as_me:15769: result: $cf_cv_working_poll" >&5
echo "${ECHO_T}$cf_cv_working_poll" >&6
test "$cf_cv_working_poll" = "yes" && cat >>confdefs.h <<\EOF
#define HAVE_WORKING_POLL 1
EOF
If i compile the C test myself, adding a printf at the end, ret==0 after the
poll().
The buildds are returning
"checking if poll really works... no"
yet Linux's poll() is fine.
which results in ncurses/tty/tty_update.c using select() instead of poll() for
the main loop,
select() having considerably more overhead.
-- System Information:
Debian Release: wheezy/sid
APT prefers unstable
APT policy: (101, 'unstable'), (1, 'experimental')
Architecture: armel (armv5tel)
Kernel: Linux 3.4.0-tomoyo-00006-gfd64aac (PREEMPT)
Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968)
Shell: /bin/sh linked to /bin/dash
Versions of packages libncursesw5 depends on:
ii libc6 2.13-33
ii libtinfo5 5.9-8
ii multiarch-support 2.13-33
Versions of packages libncursesw5 recommends:
ii libgpm2 1.20.4-4em1
libncursesw5 suggests no packages.
-- no debconf information
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