mirror/guile
mirror/guile
1
Fork 0
mirror of https://git.savannah.gnu.org/git/guile.git synced 2025-06-29 22:40:34 +02:00
Code Activity

* configure.in: Added test if readline clears SA_RESTART flag for

Browse source 
SIGWINCH.  (Thanks to Dale P. Smith.)
This commit is contained in:
Mikael Djurfeldt 2000-06-19 00:42:30 +00:00
parent a0adfbf022
commit 49a2970b4a
1 changed files with 40 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

41
guile-readline/configure.in
View file

@ -18,7 +18,46 @@ if test $ac_cv_lib_readline_main = no; then
AC_MSG_WARN([libreadline was not found on your system.])
fi
AC_CHECK_FUNCS(rl_clear_signals rl_cleanup_after_signal)
AC_CHECK_FUNCS(rl_clear_signals rl_cleanup_after_signal rl_pre_input_hook)
AC_MSG_CHECKING(if readline clears SA_RESTART flag for SIGWINCH)
AC_CACHE_VAL(guile_cv_sigwinch_sa_restart_cleared,
AC_TRY_RUN([#include <signal.h>
#include <stdio.h>
#include <readline/readline.h>
int
hook ()
{
struct sigaction action;
sigaction (SIGWINCH, NULL, &action);
rl_cleanup_after_signal();
/* exit with 0 if readline disabled SA_RESTART */
exit (action.sa_flags & SA_RESTART);
}
int
main ()
{
struct sigaction action;
sigaction (SIGWINCH, NULL, &action);
action.sa_flags |= SA_RESTART;
sigaction (SIGWINCH, &action, NULL);
rl_pre_input_hook = hook;
readline ("");
}],
guile_cv_sigwinch_sa_restart_cleared=yes,
guile_cv_sigwinch_sa_restart_cleared=no,
guile_cv_sigwinch_sa_restart_cleared=yes))
AC_MSG_RESULT($guile_cv_sigwinch_sa_restart_cleared)
if test $guile_cv_sigwinch_sa_restart_cleared = yes; then
AC_DEFINE(GUILE_SIGWINCH_SA_RESTART_CLEARED)
fi
AC_CACHE_CHECK([for rl_getc_function pointer in readline],
ac_cv_var_rl_getc_function,