GNU bug report logs - #3707
add a configure option to enable profiling

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From: help-debbugs <at> gnu.org (Emacs bug Tracking System)
To: Dan Nicolaescu <dann <at> ics.uci.edu>
Subject: bug#3707 closed by Dan Nicolaescu <dann <at> ics.uci.edu> (Re:
 bug#3707: add a configure option to enable profiling)
Date: Fri, 03 Jul 2009 18:15:30 +0000

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This is an automatic notification regarding your bug report
which was filed against the emacs package:

#3707: add a configure option to enable profiling

It has been closed by Dan Nicolaescu <dann <at> ics.uci.edu>.

Their explanation is attached below along with your original report.
If this explanation is unsatisfactory and you have not received a
better one in a separate message then please contact Dan Nicolaescu <dann <at> ics.uci.edu> by
replying to this email.


-- 
3707: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=3707
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Contact help-debbugs <at> gnu.org with problems

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From: Dan Nicolaescu <dann <at> ics.uci.edu>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: 3707-done <at> debbugs.gnu.org
Subject: Re: bug#3707: add a configure option to enable profiling
Date: Fri, 3 Jul 2009 06:20:13 -0700 (PDT)

Stefan Monnier <monnier <at> iro.umontreal.ca> writes:

  > > Building emacs with profiling support is not very straight forward at
  > > the moment.
  > > It would be better if we had a configure option to do it:
  > 
  > > ./configure --enable-profiling
  > > make
  > 
  > > Adding the configure flag can be done like this:
  > 
  > Looks good, please install,

Thanks.  Done.

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From: Dan Nicolaescu <dann <at> ics.uci.edu>
To: bug-gnu-emacs <bug-gnu-emacs <at> gnu.org>
Subject: add a configure option to enable profiling
Date: Sun, 28 Jun 2009 14:43:41 -0700 (PDT)

Building emacs with profiling support is not very straight forward at
the moment.
It would be better if we had a configure option to do it:

./configure --enable-profiling
make

Adding the configure flag can be done like this:

--- configure.in.~1.600.~       2009-06-26 18:46:22.000000000 -0700
+++ configure.in                2009-06-28 06:00:37.000000000 -0700
@@ -273,6 +273,18 @@ if test x$ac_gc_check_cons_list != x ; t
 [Define this to check for errors in cons list.])
 fi
 
+AC_ARG_ENABLE(profiling,
+[  --enable-profiling
+                 Build emacs with profiling support],
+[ac_enable_profiling="${enableval}"],[])
+if test x$ac_enable_profiling != x ; then
+   PROFILING_CFLAGS="-DPROFLING -pg"
+   PROFILING_LDFLAGS="-pg"
+else
+   PROFILING_CFLAGS=
+   PROFILING_LDFLAGS=
+fi
+
 #### Make srcdir absolute, if it isn't already.  It's important to
 #### avoid running the path through pwd unnecessarily, since pwd can
 #### give you automounter prefixes, which can go away.  We do all this


How can PROFILING_CFLAGS and PROFILING_LDFLAGS be added to the default
CFLAGS in the Makefile to enable "make" to just DTRT?

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