changeset:   94592:527ed5205806
parent:      94590:8f978b2891dc
parent:      94591:e37b201297d2
user:        Antoine Pitrou <solipsis@pitrou.net>
date:        Wed Feb 11 19:41:01 2015 +0100
files:       Misc/NEWS configure configure.ac
description:
Issue #23445: pydebug builds now use "gcc -Og" where possible, to make the resulting executable faster.


diff -r 8f978b2891dc -r 527ed5205806 Misc/NEWS
--- a/Misc/NEWS	Wed Feb 11 18:18:10 2015 +0100
+++ b/Misc/NEWS	Wed Feb 11 19:41:01 2015 +0100
@@ -26,6 +26,12 @@
   argument which, if set to True, will pass messages to handlers taking handler
   levels into account.
 
+Build
+-----
+
+- Issue #23445: pydebug builds now use "gcc -Og" where possible, to make
+  the resulting executable faster.
+
 
 What's New in Python 3.5 alpha 1?
 =================================
diff -r 8f978b2891dc -r 527ed5205806 configure
--- a/configure	Wed Feb 11 18:18:10 2015 +0100
+++ b/configure	Wed Feb 11 19:41:01 2015 +0100
@@ -6338,7 +6338,11 @@
 	    if test "$Py_DEBUG" = 'true' ; then
 		# Optimization messes up debuggers, so turn it off for
 		# debug builds.
-		OPT="-g -O0 -Wall $STRICT_PROTO"
+                if "$CC" -v --help 2>/dev/null |grep -- -Og > /dev/null; then
+                    OPT="-g -Og -Wall $STRICT_PROTO"
+                else
+                    OPT="-g -O0 -Wall $STRICT_PROTO"
+                fi
 	    else
 		OPT="-g $WRAP -O3 -Wall $STRICT_PROTO"
 	    fi
diff -r 8f978b2891dc -r 527ed5205806 configure.ac
--- a/configure.ac	Wed Feb 11 18:18:10 2015 +0100
+++ b/configure.ac	Wed Feb 11 19:41:01 2015 +0100
@@ -1128,7 +1128,11 @@
 	    if test "$Py_DEBUG" = 'true' ; then
 		# Optimization messes up debuggers, so turn it off for
 		# debug builds.
-		OPT="-g -O0 -Wall $STRICT_PROTO"
+                if "$CC" -v --help 2>/dev/null |grep -- -Og > /dev/null; then
+                    OPT="-g -Og -Wall $STRICT_PROTO"
+                else
+                    OPT="-g -O0 -Wall $STRICT_PROTO"
+                fi
 	    else
 		OPT="-g $WRAP -O3 -Wall $STRICT_PROTO"
 	    fi