STINNER Victor added the comment:
Ok, I confirm that it's possible to compile and install Python using PGO+LTO
without --enable-optimizatioins:
cd ~/cpython
make distclean ||:
./configure --with-lto --prefix=/home/haypo/installed/3.7
make clean
make profile-opt
make install
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STINNER Victor added the comment:
The --enable-optimizations option of ./configure was added by the issue #26359
(first named --with-optimizations, it was recalled to --enable-optimizations
later).
See also:
* issue #28032: "never imply --with-lto as part of --with-optimizations"
* issue
STINNER Victor added the comment:
PGO compilation uses "make profile-removal", maybe my issue is linked to that?
I'm sure that PGO compilation + "make install" worked two months, but using:
make profile-opt && make install.
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Python tracker
New submission from STINNER Victor:
Hi,
I compiled Python 3.7 using PGO+LTO with "make && make install", but it seems
like it lacks the _sysconfigdata module.
Moreover, I don't see any "Makefile" file in the installed directory, so the
"~/installed/3.7/bin/python3 -S -m sysconfig
