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gdb: Drop use of obsolete AC_TYPE_SIGNAL

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Since we're using sighandler_t, nothing else refers to RETSIGTYPE in
gdb.

(Actually, given gdb/remote.c has been assuming signal handlers return
void for a long time, we could have gotten get rid of this even
without gnulib's sighandler_t.)

gdb/ChangeLog:
2015-08-27  Pedro Alves  <palves@redhat.com>

	* configure.ac: Remove AC_TYPE_SIGNAL call.
	* configure, config.in: Regenerate.
This commit is contained in:
Pedro Alves
2015-08-27 13:26:23 +01:00
parent a40805d4a7
commit 14d8814778
4 changed files with 5 additions and 37 deletions
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33
gdb/configure vendored
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@@ -11094,39 +11094,6 @@ fi
# Checks for types. #
# ------------------ #
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking return type of signal handlers" >&5
$as_echo_n "checking return type of signal handlers... " >&6; }
if test "${ac_cv_type_signal+set}" = set; then :
$as_echo_n "(cached) " >&6
else
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <sys/types.h>
#include <signal.h>
int
main ()
{
return *(signal (0, 0)) (0) == 1;
;
return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
ac_cv_type_signal=int
else
ac_cv_type_signal=void
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_type_signal" >&5
$as_echo "$ac_cv_type_signal" >&6; }
cat >>confdefs.h <<_ACEOF
#define RETSIGTYPE $ac_cv_type_signal
_ACEOF
ac_fn_c_check_type "$LINENO" "socklen_t" "ac_cv_type_socklen_t" "#include <sys/types.h>
#include <sys/socket.h>