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