[Python-checkins] cpython (merge 3.4 -> default): Issue #23445: pydebug builds now use "gcc -Og" where possible, to make the

Wed Feb 11 19:41:17 CET 2015

https://hg.python.org/cpython/rev/527ed5205806
changeset: 94592:527ed5205806
parent: 94590:8f978b2891dc
parent: 94591:e37b201297d2
user: Antoine Pitrou <solipsis at pitrou.net>
date: Wed Feb 11 19:41:01 2015 +0100
summary:
 Issue #23445: pydebug builds now use "gcc -Og" where possible, to make the resulting executable faster.
files:
 Misc/NEWS | 6 ++++++
 configure | 6 +++++-
 configure.ac | 6 +++++-
 3 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/Misc/NEWS b/Misc/NEWS
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -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 --git a/configure b/configure
--- a/configure
+++ b/configure
@@ -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 $STRICT_PROTO"
 	 fi
diff --git a/configure.ac b/configure.ac
--- a/configure.ac
+++ b/configure.ac
@@ -1128,7 +1128,11 @@
 	 if test "$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
-- 
Repository URL: https://hg.python.org/cpython
