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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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5
gdb/ChangeLog
View File

@ -1,3 +1,8 @@
2015-08-27 Pedro Alves <palves@redhat.com>
* configure.ac: Remove AC_TYPE_SIGNAL call.
* configure, config.in: Regenerate.
2015-08-27 Pedro Alves <palves@redhat.com>
* cp-support.c (gdb_demangle): Use sighandler_t. Remove cast.

3
gdb/config.in
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@ -677,9 +677,6 @@
/* Bug reporting address */
#undef REPORT_BUGS_TO
/* Define as the return type of signal handlers (`int' or `void'). */
#undef RETSIGTYPE
/* Define to 1 if the "%Lg" format works to scan long doubles. */
#undef SCANF_HAS_LONG_DOUBLE

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>

1
gdb/configure.ac
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@ -1339,7 +1339,6 @@ AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
# Checks for types. #
# ------------------ #
AC_TYPE_SIGNAL
AC_CHECK_TYPES(socklen_t, [], [],
[#include <sys/types.h>
#include <sys/socket.h>