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Move SIGNALS_VIA_CHARACTERS from src/s to configure

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* configure.ac (SIGNALS_VIA_CHARACTERS): Move here from src/s.

* src/s/aix4-2.h, src/s/bsd-common.h, src/s/cygwin.h, src/s/gnu-linux.h:
* src/s/irix6-5.h: Move SIGNALS_VIA_CHARACTERS to configure.
This commit is contained in:
Glenn Morris 2012-07-11 00:28:27 -07:00
parent 554fef512f
commit 09f4e3b014
8 changed files with 33 additions and 25 deletions
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2
ChangeLog
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@ -9,7 +9,7 @@
* configure.ac (opsysfile): Use bsd-common on gnu systems.
* configure.ac (GNU_LIBRARY_PENDING_OUTPUT_COUNT):
Move here from src/s.
(SIGNALS_VIA_CHARACTERS): Move here from src/s.
2012-07-11 Paul Eggert <eggert@cs.ucla.edu>

29
configure.ac
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@ -3171,6 +3171,35 @@ dnl Used in sound.c
AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
[Name of the default sound device.])
AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
"typing" a signal character on the pty.])
case $opsys in
dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
dnl thomas@mathematik.uni-bremen.de says this is needed for IRIX.
aix4-2 | cygwin | gnu | irix6-5 | freebsd | netbsd | openbsd )
AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
;;
dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
gnu-linux | gnu-kfreebsd )
AC_MSG_CHECKING([for signals via characters])
AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
#include <linux/version.h>
#if LINUX_VERSION_CODE < 0x20400
# error "Linux version too old"
#endif
]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
AC_MSG_RESULT([$emacs_signals_via_chars])
test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
;;
esac
dnl Used in dispnew.c
AH_TEMPLATE(PENDING_OUTPUT_COUNT, [Number of chars of output in the
buffer of a stdio stream.])

3
src/ChangeLog
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@ -14,6 +14,9 @@
2012-07-11 Glenn Morris <rgm@gnu.org>
* s/aix4-2.h, s/bsd-common.h, s/cygwin.h, s/gnu-linux.h:
* s/irix6-5.h: Move SIGNALS_VIA_CHARACTERS to configure.
* s/aix4-2.h, s/bsd-common.h, s/cygwin.h, s/darwin.h:
* s/gnu-linux.h, s/hpux10-20.h, s/template.h, s/usg5-4-common.h:
Move CLASH_DETECTION to configure.

3
src/s/aix4-2.h
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@ -40,9 +40,6 @@ along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
/* Special items needed to make Emacs run on this system. */
/* Perry Smith <pedz@ddivt1.austin.ibm.com> says these are correct. */
#define SIGNALS_VIA_CHARACTERS
/* Perry Smith <pedz@ddivt1.austin.ibm.com> says these are correct. */
#undef sigmask

3
src/s/bsd-common.h
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@ -59,6 +59,3 @@ along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
/* Define HAVE_SOCKETS if system supports 4.2-compatible sockets. */
#define HAVE_SOCKETS
/* Send signals to subprocesses by "typing" special chars at them. */
#define SIGNALS_VIA_CHARACTERS

3
src/s/cygwin.h
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@ -76,6 +76,3 @@ along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
As malloc is not the Cygwin malloc, the Cygwin memalign always
returns ENOSYS. A workaround is to set G_SLICE=always-malloc. */
#define G_SLICE_ALWAYS_MALLOC
/* Send signals to subprocesses by "typing" special chars at them. */
#define SIGNALS_VIA_CHARACTERS

11
src/s/gnu-linux.h
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@ -25,17 +25,6 @@ along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
#define USG
#define GNU_LINUX
#ifdef emacs
#ifdef HAVE_LINUX_VERSION_H
#include <linux/version.h>
#if LINUX_VERSION_CODE >= 0x20400
/* 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works. */
#define SIGNALS_VIA_CHARACTERS
#endif /* LINUX_VERSION_CODE >= 0x20400 */
#endif /* HAVE_LINUX_VERSION_H */
#endif /* emacs */
#if defined HAVE_GRANTPT
#define UNIX98_PTYS

4
src/s/irix6-5.h
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@ -28,10 +28,6 @@ along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
#undef SETUP_SLAVE_PTY
/* thomas@mathematik.uni-bremen.de says this is needed. */
/* Make process_send_signal work by "typing" a signal character on the pty. */
#define SIGNALS_VIA_CHARACTERS
/* Letter to use in finding device name of first pty,
if system supports pty's. 'a' means it is /dev/ptya0 */
#undef FIRST_PTY_LETTER