Le vendredi 14 juillet 2023 à 16:59 +0200, Sébastien Villemot a écrit : > The build process of ceres-solver does not respect the flags from > dpkg-buildflags. > > More precisely, it unconditionally adds -O3. It means that the default -O2 > level is not respected. It also means that DEB_BUILD OPTIONS=noopt does not > work as expected (it should use -O0). > > I think this comes from the fact that cmake is passed > -DCMAKE_BUILD_TYPE=Release in debian/rules. The right option to pass for > Debian > packaging is -DCMAKE_BUILD_TYPE=None (as is done for example by dh, see > /usr/share/perl5/Debian/Debhelper/Buildsystem/cmake.pm).
I just realized that using -O3 is allowed by Policy, if there is a good reason for using it (see §10.1). However it is still recommended to support DEB_BUILD_OPTIONS=noopt. -- ⢀⣴⠾⠻⢶⣦⠀ Sébastien Villemot ⣾⠁⢠⠒⠀⣿⡁ Debian Developer ⢿⡄⠘⠷⠚⠋⠀ https://sebastien.villemot.name ⠈⠳⣄⠀⠀⠀⠀ https://www.debian.org
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