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HP aCC complains about invalid -fPIC on HP-UX #78630

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michael-o mannequin opened this issue Aug 21, 2018 · 2 comments
Closed

HP aCC complains about invalid -fPIC on HP-UX #78630

michael-o mannequin opened this issue Aug 21, 2018 · 2 comments
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3.7 (EOL) end of life 3.8 only security fixes build The build process and cross-build type-bug An unexpected behavior, bug, or error

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@michael-o
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michael-o mannequin commented Aug 21, 2018

BPO 34449
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  • bpo-34449: HP aCC complains about invalid -fPIC on HP-UX #8847
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    Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.

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    GitHub fields:

    assignee = None
closed_at = None
created_at = <Date 2018-08-21.09:06:55.274>
labels = ['3.8', 'type-bug', '3.7', 'build']
title = 'HP aCC complains about invalid -fPIC on HP-UX'
updated_at = <Date 2018-08-21.09:13:41.938>
user = 'https://github.com/michael-o'

    bugs.python.org fields:

    activity = <Date 2018-08-21.09:13:41.938>
actor = 'michael-o'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Build']
creation = <Date 2018-08-21.09:06:55.274>
creator = 'michael-o'
dependencies = []
files = []
hgrepos = []
issue_num = 34449
keywords = ['patch']
message_count = 1.0
messages = ['323827']
nosy_count = 1.0
nosy_names = ['michael-o']
pr_nums = ['8847']
priority = 'normal'
resolution = None
stage = 'patch review'
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue34449'
versions = ['Python 3.6', 'Python 3.7', 'Python 3.8']
    @michael-o
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    michael-o mannequin commented Aug 21, 2018

    The compiler (HP aCC) says:

    /opt/aCC/bin/cc -Ae -b -L/usr/local/lib/hpux32 build/temp.hp-ux-B.11.31-ia64-3.8-pydebug/var/osipovmi/cpython/Modules/_ctypes/_ctypes.o build/temp.hp-ux-B.11.31-ia64-3.8-pydebug/var/osipovmi/cpython/Modules/_ctypes/callbacks.o build/temp.hp-ux-B.11.31-ia64-3.8-pydebug/var/osipovmi/cpython/Modules/_ctypes/callproc.o build/temp.hp-ux-B.11.31-ia64-3.8-pydebug/var/osipovmi/cpython/Modules/_ctypes/stgdict.o build/temp.hp-ux-B.11.31-ia64-3.8-pydebug/var/osipovmi/cpython/Modules/_ctypes/cfield.o -L/usr/local/lib/hpux64 -L/usr/lib/hpux32 -L/usr/lib/hpux64 -L/usr/lib -L/lib -L/usr/local/lib/hpux32 -L/usr/local/lib -lffi -ldl -o build/lib.hp-ux-B.11.31-ia64-3.8-pydebug/_ctypes.so -fPIC
    cc: warning 901: unknown option: `-fPIC': use +help for online documentation.

    On clang or GCC this is a compile time option, never a link option. For HP aCC objects must be compiled with +z -- which actually happens -- and linked with +b to a shared library -- which also happens here --. One can safely drop this switch from setup.py.

    @michael-o michael-o mannequin added 3.7 (EOL) end of life 3.8 only security fixes build The build process and cross-build type-bug An unexpected behavior, bug, or error labels Aug 21, 2018
    @ezio-melotti ezio-melotti transferred this issue from another repository Apr 10, 2022
    erlend-aasland pushed a commit that referenced this issue May 19, 2022
    @michael-o
    gh-78630: Drop invalid HP aCC compiler switch -fPIC on HP-UX (#8847)
    09be18a 
    At compile time, '+z' is already properly used with HP aCC, and shared
libraries are correctly linked with '+b'. The '-fPIC' switch can safely be
dropped.
    miss-islington pushed a commit to miss-islington/cpython that referenced this issue May 19, 2022
    @michael-o @miss-islington
    pythongh-78630: Drop invalid HP aCC compiler switch -fPIC on HP-UX (p…
    28b6e50 
    …ythonGH-8847)

At compile time, '+z' is already properly used with HP aCC, and shared
libraries are correctly linked with '+b'. The '-fPIC' switch can safely be
dropped.
(cherry picked from commit 09be18a)

Co-authored-by: Michael Osipov <michael.osipov@siemens.com>
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    Fixed by:

    miss-islington added a commit that referenced this issue May 19, 2022
    @miss-islington @michael-o
    gh-78630: Drop invalid HP aCC compiler switch -fPIC on HP-UX (GH-8847)
    0f1748d 
    At compile time, '+z' is already properly used with HP aCC, and shared
libraries are correctly linked with '+b'. The '-fPIC' switch can safely be
dropped.
(cherry picked from commit 09be18a)

Co-authored-by: Michael Osipov <michael.osipov@siemens.com>
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