Disabled -prebind again when linking the interpreter on MacOSX. It caused

a serious slowdown when loading dynamic modules that depend on large shared
libraries or frameworks.

diff --git a/configure b/configure
index 1dfc8bc175649814254968995e53bee3d9fd0e32..fd96ba80681eacc5f33de11b340b54154c941cf5 100755 (executable)
--- a/configure
+++ b/configure
@@ -9443,11 +9443,10 @@ then
                # -u _PyMac_Error is needed to pull in the mac toolbox glue, which is
                # not used by the core itself but which needs to be in the core so
                # that dynamically loaded extension modules have access to it.
-               # -prebind causes the executable to assume dynamic libraries are at their
-               # preferred address, which speeds up startup. We specify it here
-               # in stead of in LDFLAGS because it does not seem to work for bundle
-               # plugins (as of OSX 10.2).
-               LINKFORSHARED="$extra_undefs -framework System -prebind"
+               # -prebind is no longer used, because it actually seems to give a
+               # slowdown in stead of a speedup, maybe due to the large number of
+               # dynamic loads Python does.
+               LINKFORSHARED="$extra_undefs -framework System"
                if test "$enable_framework"
                then
                        LINKFORSHARED="$LINKFORSHARED -framework Python"

diff --git a/configure.in b/configure.in
index 0b893a5c36a40e24ed5acb0763a37ffdadb5aec9..06c4048f974b093bb3e2513cc38e403a8b913246 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -1164,11 +1164,10 @@ then
                # -u _PyMac_Error is needed to pull in the mac toolbox glue, which is
                # not used by the core itself but which needs to be in the core so
                # that dynamically loaded extension modules have access to it.
-               # -prebind causes the executable to assume dynamic libraries are at their
-               # preferred address, which speeds up startup. We specify it here
-               # in stead of in LDFLAGS because it does not seem to work for bundle
-               # plugins (as of OSX 10.2).
-               LINKFORSHARED="$extra_undefs -framework System -prebind"
+               # -prebind is no longer used, because it actually seems to give a
+               # slowdown in stead of a speedup, maybe due to the large number of
+               # dynamic loads Python does.
+               LINKFORSHARED="$extra_undefs -framework System"
                if test "$enable_framework"
                then
                        LINKFORSHARED="$LINKFORSHARED -framework Python"