[xsrc/trunk]: xsrc/external/mit/xterm update for libXt 1.2.0 const/noreturnif...

[mrg <mrg%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/xsrc/rev/3591e354b095
branches:  trunk
changeset: 10333:3591e354b095
user:      mrg <mrg%NetBSD.org@localhost>
date:      Thu Jul 11 08:08:47 2019 +0000

description:
update for libXt 1.2.0 const/noreturnification:
- define GCC_* as supported by all our compilers
- mark xt_error as noreturn
- clear the error handler with XtSetErrorHandler(NULL) vs
  ((XtErrorHandler) 0) which avoids missing noreturn issue

diffstat:

 external/mit/xterm/dist/misc.c        |  2 +-
 external/mit/xterm/dist/xterm.h       |  2 +-
 external/mit/xterm/include/xtermcfg.h |  8 ++++----
 3 files changed, 6 insertions(+), 6 deletions(-)

diffs (42 lines):

diff -r 7c1761e5d28f -r 3591e354b095 external/mit/xterm/dist/misc.c
--- a/external/mit/xterm/dist/misc.c    Thu Jul 11 05:43:50 2019 +0000
+++ b/external/mit/xterm/dist/misc.c    Thu Jul 11 08:08:47 2019 +0000
@@ -6084,7 +6084,7 @@
 #endif /* OPT_SESSION_MGT */
     init_colored_cursor(XtDisplay(result));
 
-    XtSetErrorHandler((XtErrorHandler) 0);
+    XtSetErrorHandler(NULL);
 
     return result;
 }
diff -r 7c1761e5d28f -r 3591e354b095 external/mit/xterm/dist/xterm.h
--- a/external/mit/xterm/dist/xterm.h   Thu Jul 11 05:43:50 2019 +0000
+++ b/external/mit/xterm/dist/xterm.h   Thu Jul 11 08:08:47 2019 +0000
@@ -1105,7 +1105,7 @@
 extern void timestamp_filename(char * /* dst */, const char * /* src */);
 extern void update_winsize(int /* fd */, int /* rows */, int /* cols */, int /* height */, int /* width */);
 extern void xevents (void);
-extern void xt_error (String /* message */);
+extern void xt_error (String /* message */) GCC_NORETURN;
 extern void xtermBell(XtermWidget /* xw */, int /* which */, int /* percent */);
 extern void xtermCopyEnv (char ** /* oldenv */);
 extern void xtermDisplayCursor (XtermWidget /* xw */);
diff -r 7c1761e5d28f -r 3591e354b095 external/mit/xterm/include/xtermcfg.h
--- a/external/mit/xterm/include/xtermcfg.h     Thu Jul 11 05:43:50 2019 +0000
+++ b/external/mit/xterm/include/xtermcfg.h     Thu Jul 11 08:08:47 2019 +0000
@@ -231,10 +231,10 @@
  * g++ support for __attribute__() is haphazard.
  */
 #ifndef __cplusplus
-/* #undef GCC_PRINTF */
-/* #undef GCC_PRINTFLIKE */
-/* #undef GCC_NORETURN */
-/* #undef GCC_UNUSED */
+#define GCC_PRINTF     1
+#define GCC_PRINTFLIKE(fmt,var) __attribute__((__format__(__printf__,fmt,var)))
+#define GCC_NORETURN   __attribute__((__noreturn__))
+#define GCC_UNUSED     __attribute__((__unused__))
 #endif
 
 #ifndef HAVE_X11_XPOLL_H