maintainer-feedback requested: [Bug 240851] lang/python fails to build with PIE

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Bugzilla Automation <bugzilla at FreeBSD.org> has asked freebsd-python mailing
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Bug 240851: lang/python fails to build with PIE
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=240851



--- Description ---
The python 2/3 ports fail in the package/stage make targets with the following
errors on 12-STABLE amd64:

(for 27)
Compiling
/wrkdirs/usr/ports/lang/python27/work/stage/usr/local/lib/python2.7/zipfile.py
...
*** Error code 1

(for 36)
pkg-static: Unable to access file
/wrkdirs/usr/ports/lang/python36/work/stage/usr/local/lib/python3.6/test/test_j
son/__pycache__/test_unicode.cpython-36.pyc:No
such file or directory
*** Error code 1

To reproduce:
1) enable WITH_PIE=yes in src.conf and rebuild (if it's not default)
2) set kern.elf64.aslr.enable and kern.elf64.aslr.pie_enable sysctls to 1
3) add the following to make.conf:
CFLAGS+= -fPIE
CXXFLAGS+= -fPIE
LDFLAGS+= -pie
4) build the ports

They may just need a simple tweak.