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List: kde-edu-devel
Subject: Re: Review Request 110954: Rewrite FindBoostPython.cmake for correctness and stability
From: "David Solbach" <d () vidsolbach ! de>
Date: 2013-08-08 12:11:33
Message-ID: 20130808121133.17642.86483 () vidsolbach ! de
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This is an automatically generated e-mail. To reply, visit:
http://git.reviewboard.kde.org/r/110954/
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(Updated Aug. 8, 2013, 12:11 p.m.)
Status
------
This change has been marked as submitted.
Review request for KDE Edu and David Narváez.
Description
-------
1. Return compile check (see BoostPython_TRY_COMPILE() macro), it's needed for some \
cases. Say, default Python in system is Python 3.3, and it gets picked up. But Boost \
1.53 python library could not work with it and requires Python 2.x. Without compile \
check you'll pick up uncompatible Python version.
2. find_package(PkgConfig) moved under corresponding if(...) and if(PKG_CONFIG_FOUND) \
is checked after. While it's spread enough, there is no guarantee you'll have \
pkg-config on that system. Also, PYTHON_VERSIONS moved closer to the scope where it's \
used to improve readability.
3. Use standard CMake find_package_handle_standard_args() and \
cmake_push_check_state()/cmake_pop_check_state() instead of rolling own equivalent \
logic. The latter logic was ever wrong, making HAVE_BOOST_SHARED_PTR_HPP check fail.
4. BoostPython_INCLUDE_DIRS and BoostPython_LIBRARIES are saved in cache, as other \
CMake modules do. This unbreaks the situation when CMake detects that it should be \
re-run (for example, some CMakeLists.txt file was modified), and runs through modules \
again - in this case, if BoostPython_INCLUDE_DIRS and BoostPython_LIBRARIES are not \
in cache, all tests will be run again, and probably fail now.
This addresses bug 320807.
http://bugs.kde.org/show_bug.cgi?id=320807
Diffs
-----
cmake/modules/FindBoostPython.cmake d6c5a34
Diff: http://git.reviewboard.kde.org/r/110954/diff/
Testing
-------
OpenBSD-CURRENT, CMake 2.8.11, KDE 4.10.4, Boost 1.53, Python 3.3 and 2.7.
Thanks,
Vadim Zhukov
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This is an automatically generated e-mail. To reply, visit:
<a href="http://git.reviewboard.kde.org/r/110954/">http://git.reviewboard.kde.org/r/110954/</a>
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<h1 style="margin-right: 0.2em; padding: 0; font-size: 10pt;">This change has been \
marked as submitted.</h1> </td>
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<div>Review request for KDE Edu and David Narváez.</div>
<div>By Vadim Zhukov.</div>
<p style="color: grey;"><i>Updated Aug. 8, 2013, 12:11 p.m.</i></p>
<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Description </h1>
<table width="100%" bgcolor="#ffffff" cellspacing="0" cellpadding="10" \
style="border: 1px solid #b8b5a0"> <tr>
<td>
<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: \
-moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: \
break-word;">1. Return compile check (see BoostPython_TRY_COMPILE() macro), it's \
needed for some cases. Say, default Python in system is Python 3.3, and it gets \
picked up. But Boost 1.53 python library could not work with it and requires Python \
2.x. Without compile check you'll pick up uncompatible Python version.
2. find_package(PkgConfig) moved under corresponding if(...) and if(PKG_CONFIG_FOUND) \
is checked after. While it's spread enough, there is no guarantee you'll have \
pkg-config on that system. Also, PYTHON_VERSIONS moved closer to the scope where \
it's used to improve readability.
3. Use standard CMake find_package_handle_standard_args() and \
cmake_push_check_state()/cmake_pop_check_state() instead of rolling own equivalent \
logic. The latter logic was ever wrong, making HAVE_BOOST_SHARED_PTR_HPP check fail.
4. BoostPython_INCLUDE_DIRS and BoostPython_LIBRARIES are saved in cache, as other \
CMake modules do. This unbreaks the situation when CMake detects that it should be \
re-run (for example, some CMakeLists.txt file was modified), and runs through modules \
again - in this case, if BoostPython_INCLUDE_DIRS and BoostPython_LIBRARIES are not \
in cache, all tests will be run again, and probably fail now.</pre> </td>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Testing </h1>
<table width="100%" bgcolor="#ffffff" cellspacing="0" cellpadding="10" style="border: \
1px solid #b8b5a0"> <tr>
<td>
<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: \
-moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: \
break-word;">OpenBSD-CURRENT, CMake 2.8.11, KDE 4.10.4, Boost 1.53, Python 3.3 and \
2.7.</pre> </td>
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<div style="margin-top: 1.5em;">
<b style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Bugs: </b>
<a href="http://bugs.kde.org/show_bug.cgi?id=320807">320807</a>
</div>
<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
<ul style="margin-left: 3em; padding-left: 0;">
<li>cmake/modules/FindBoostPython.cmake <span style="color: \
grey">(d6c5a34)</span></li>
</ul>
<p><a href="http://git.reviewboard.kde.org/r/110954/diff/" style="margin-left: \
3em;">View Diff</a></p>
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