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Issue #28605: Fix the help and What's New entry for --with-optimizations.

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This commit is contained in:
Brett Cannon 2016-11-03 16:20:00 -07:00
parent f905063ee3
commit 1d8f755e67
3 changed files with 6 additions and 6 deletions
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2
Doc/whatsnew/3.6.rst
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@ -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

6
configure vendored
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@ -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 managed 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"

4
configure.ac
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@ -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 managed 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"