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Kirill Smelkov
cpython
Commits
f56a3a03
Commit
f56a3a03
authored
Nov 03, 2016
by
Brett Cannon
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Issue #28605: Fix the help and What's New entry for --with-optimizations.
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e9bfb21d
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Doc/whatsnew/3.6.rst
Doc/whatsnew/3.6.rst
+1
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configure
configure
+3
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configure.ac
configure.ac
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Doc/whatsnew/3.6.rst
View file @
f56a3a03
...
...
@@ -1176,7 +1176,7 @@ Build and C API Changes
with only about 16 tests failures. See the Android meta-issue :issue:`26865`.
* The ``--with-optimizations`` configure flag has been added. Turning it on
will activate
LTO and PGO build support (when available)
.
will activate
expensive optimizations like PGO
.
(Original patch by Alecsandru Patrascu of Intel in :issue:`26539`.)
* New :c:func:`Py_FinalizeEx` API which indicates if flushing buffered data
...
...
configure
View file @
f56a3a03
...
...
@@ -1499,8 +1499,8 @@ Optional Packages:
compiler
--with-suffix=.exe set executable suffix
--with-pydebug build with Py_DEBUG defined
--with-optimizations Enable expensive optimizations (PGO,
maybe LTO,
etc). Disabled
by default.
--with-optimizations Enable expensive optimizations (PGO,
etc). Disabled
by default.
--with-lto Enable Link Time Optimization in PGO builds.
Disabled by default.
--with-hash-algorithm=[fnv|siphash24]
...
...
@@ -6548,7 +6548,7 @@ fi
if
test
"
$Py_OPT
"
=
'true'
;
then
# Intentionally not forcing Py_LTO='true' here. Too many toolchains do not
# compile working code using it and both test_distutils and test_gdb are
# broken when you do manage
d
to get a toolchain that works with it. People
# broken when you do manage to get a toolchain that works with it. People
# who want LTO need to use --with-lto themselves.
DEF_MAKE_ALL_RULE
=
"profile-opt"
REQUIRE_PGO
=
"yes"
...
...
configure.ac
View file @
f56a3a03
...
...
@@ -1282,7 +1282,7 @@ AC_SUBST(DEF_MAKE_ALL_RULE)
AC_SUBST(DEF_MAKE_RULE)
Py_OPT='false'
AC_MSG_CHECKING(for --with-optimizations)
AC_ARG_WITH(optimizations, AS_HELP_STRING([--with-optimizations], [Enable expensive optimizations (PGO,
maybe LTO,
etc). Disabled by default.]),
AC_ARG_WITH(optimizations, AS_HELP_STRING([--with-optimizations], [Enable expensive optimizations (PGO, etc). Disabled by default.]),
[
if test "$withval" != no
then
...
...
@@ -1296,7 +1296,7 @@ fi],
if test "$Py_OPT" = 'true' ; then
# Intentionally not forcing Py_LTO='true' here. Too many toolchains do not
# compile working code using it and both test_distutils and test_gdb are
# broken when you do manage
d
to get a toolchain that works with it. People
# broken when you do manage to get a toolchain that works with it. People
# who want LTO need to use --with-lto themselves.
DEF_MAKE_ALL_RULE="profile-opt"
REQUIRE_PGO="yes"
...
...
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