PR#321: 286 - Avoid Fedora-specific build flags in non-RPM Python extensions - fedora-docs/release-notes

fedora-docs / release-notes

#321 286 - Avoid Fedora-specific build flags in non-RPM Python extensions

Merged 4 years ago by pbokoc. Opened 4 years ago by pbokoc.

fedora-docs/ pbokoc/release-notes iss286 into f30

286 - Avoid Fedora-specific build flags in non-RPM Python extensions

Petr Bokoc • 4 years ago

eec7c87

modules/release-notes/pages/developers/Development_Python.adoc

file modified

+28 -3

		`@@ -30,12 +30,37 @@`
		`== Automatically generated dependencies for Python packages`

		`The generator which generates Provides and Requires for Python RPM`
		`- packages based on the setup.py file has been enabled by default. This`
		+ packages based on the `setup.py` file has been enabled by default. This
		`makes the packaging of Python packages easier and more automatic by`
		`reusing information provided by the upstream project, and should result`
		`- in fewer unecessary or missing dependencies in rpms.`
		`+ in fewer unecessary or missing dependencies in RPMs.`

		`== Python progressbar replaced with progressbar2`

		`- The progressbar package has been updated to use the progressbar2 fork,`
		+ The `progressbar` package has been updated to use the `progressbar2` fork,
		`which is newer and better maitained.`
		`+`
		`+ [[python-build-flags]]`
		`+ == Avoid Fedora-specific build flags in non-RPM Python extensions`
		`+`
		+ The build flags (`CFLAGS`, `CXXFLAGS` and `LDFLAGS`) saved in the Python's distutils module for building extension modules are switched from:
		`+`
		+ * `%\{build_cflags}`,
		+ * `%\{build_cxxflags}` and
		+ * `%\{build_ldflags}`
		`+`
		`+ to`
		`+`
		+ * `%\{extension_cflags}`,
		+ * `%\{extension_cxxflags}` and
		+ * `%\{extension_ldflags}`.
		`+`
		+ This link:https://src.fedoraproject.org/rpms/redhat-rpm-config/blob/master/f/buildflags.md#support-for-extension-builders[currently means] that no GCC plugins (such as annobin) are activated and no GCC spec files (`-specs=` arguments) are used by default when building Python extension modules (e.g. with `python3 setup.py build`).
		`+`
		+ The `python3-devel` package will lose its runtime dependency on `redhat-rpm-config` (which was only required for annobin support and GCC spec files).
		`+`
		+ The change affects building extension modules by users, outside of the RPM environment. The Python standard library and Fedora's Python 3 RPM packages are still built with the "traditional" set of flags (`%\{build_cflags}` etc.), unless the package uses nonstandard methods to build the extensions.
		`+`
		`+ Only Python 3.7 and 3.6 will be changed.`
		`+`
		`+ For detailed information about this change, including justification and impact on Python developers and packages, see the link:https://fedoraproject.org/wiki/Changes/Python_Extension_Flags[Change page on the Wiki].`

modules/release-notes/pages/sysadmin/Distribution.adoc

file modified

+23 -19

		`@@ -9,7 +9,7 @@`
		`When logging in over ssh or another mechanism, locale settings are`
		`forwarded. If the destination does not support that is configured in`
		`the source environment, various tools would generate warnings about`
		`- invalid locale settings. Now, locale is automatically reset to C.UTF-8`
		+ invalid locale settings. Now, locale is automatically reset to `C.UTF-8`
		`if such situation is detected.`

		`== Many obsolete RPM scriptlets have been removed`
		`@@ -32,6 +32,10 @@`
		`(the GOT) read-only at runtime. This makes it harder for exploit`
		`writers to overwrite these function pointers and redirect execution.`

		`+ == Changed build flags saved in Python's distutils module`
		`+`
		+ The build flags (`CFLAGS`, `CXXFLAGS` and `LDFLAGS`) saved in the Python's distutils module for building extension modules have been changed in Fedora 30. See the xref:developers/Development_Python.adoc#python-build-flags[Python section] for details.
		`+`
		`== MongoDB removal`

		`The MongoDB database has recently changed its license from AGPL to a custom license called the link:https://www.mongodb.com/licensing/server-side-public-license/faq[Server Side Public License v1 (SSPL)].`
		`@@ -40,24 +44,24 @@`

		`The following packages are being removed:`

		`- * mongodb`
		`- * mongodb-server`
		`- * mongodb-test`
		+ * `mongodb`
		+ * `mongodb-server`
		+ * `mongodb-test`

		`Other packages will remain in Fedora but will be adapted to MongoDB removal:`

		`- * condor`
		`- * golang-github-go-mgo-mgo`
		`- * fawkes`
		`- * fawkes-devenv`
		`- * mongo-c-driver`
		`- * mongo-cxx-driver`
		`- * mongo-tools`
		`- * mongodb-test`
		`- * perl-MongoDB – adapted in 2.0.3-1.fc30`
		`- * python-beaker`
		`- * python-pymongo`
		`- * rubygem-database_cleaner`
		`- * rubygem-mongo`
		`- * rubygem-mongoid`
		`- * php-alcaeus-mongo-php-adapter, php-mongodb`
		+ * `condor`
		+ * `golang-github-go-mgo-mgo`
		+ * `fawkes`
		+ * `fawkes-devenv`
		+ * `mongo-c-driver`
		+ * `mongo-cxx-driver`
		+ * `mongo-tools`
		+ * `mongodb-test`
		+ * `perl-MongoDB – adapted in 2.0.3-1.fc30`
		+ * `python-beaker`
		+ * `python-pymongo`
		+ * `rubygem-database_cleaner`
		+ * `rubygem-mongo`
		+ * `rubygem-mongoid`
		+ * `php-alcaeus-mongo-php-adapter, php-mongodb`