[Emacs-diffs] /srv/bzr/emacs/emacs-24 r110929: * configure.ac (--enable-profiling): Doc fix.

[Glenn Morris]

------------------------------------------------------------
revno: 110929
committer: Glenn Morris <address@hidden>
branch nick: emacs-24
timestamp: Tue 2012-11-20 20:22:09 -0500
message:
  * configure.ac (--enable-profiling): Doc fix.
modified:
  ChangeLog
  configure.ac

=== modified file 'ChangeLog'
--- a/ChangeLog 2012-11-03 13:48:33 +0000
+++ b/ChangeLog 2012-11-21 01:22:09 +0000
@@ -1,3 +1,7 @@
+2012-11-21  Glenn Morris  <address@hidden>
+
+       * configure.ac (--enable-profiling): Doc fix.
+
 2012-11-03  Eli Zaretskii  <address@hidden>
 
        * config.bat: Copy lib/execinfo.in.h to lib/execinfo.in-h if needed.

=== modified file 'configure.ac'
--- a/configure.ac      2012-10-23 19:39:36 +0000
+++ b/configure.ac      2012-11-21 01:22:09 +0000
@@ -329,10 +329,15 @@
 fi)
 
 
+dnl The name of this option is unfortunate.  It predates, and has no
+dnl relation to, the "sampling-based elisp profiler" added in 24.3.
+dnl Actually, it stops it working.
+dnl http://lists.gnu.org/archive/html/emacs-devel/2012-11/msg00393.html
 AC_ARG_ENABLE(profiling,
 [AS_HELP_STRING([--enable-profiling],
-               [build emacs with profiling support.
-                This might not work on all platforms])],
+               [build emacs with low-level, gprof profiling support.
+                Mainly useful for debugging Emacs itself.  May not work on
+                all platforms.  Stops profiler.el working.])],
 [ac_enable_profiling="${enableval}"],[])
 if test x$ac_enable_profiling != x ; then
    PROFILING_CFLAGS="-DPROFILING=1 -pg"