It turns out CFLAGS was being cleared by ceph's build system in cmake/modules/Distutils.cmake, note CFLAGS="" below.
From a recent build log: https://launchpad.net/ubuntu/+source/ceph/19.2.0~is.really.19.1.0-0ubuntu2/+build/28692419 [ 78%] Generating ../../../lib/cython_modules/lib.3/cephfs.cpython-312-x86_64-linux-gnu.so cd "/<<PKGBUILDDIR>>/src/pybind/cephfs" && env CC="/usr/bin/cc" CFLAGS="" CPPFLAGS="-iquote/<<PKGBUILDDIR>>/src/include -w -D'void0=dead_function(void)' -D'__Pyx_check_single_interpreter(ARG)=ARG##0'" CXX="/usr/bin/c++" LDSHARED="/usr/bin/cc -shared" OPT="-DNDEBUG -g -fwrapv -O2 -w" LDFLAGS=-L/<<PKGBUILDDIR>>/obj-x86_64-linux-gnu/lib CYTHON_BUILD_DIR=/<<PKGBUILDDIR>>/obj-x86_64-linux-gnu/src/pybind/cephfs CEPH_LIBDIR=/<<PKGBUILDDIR>>/obj-x86_64-linux-gnu/lib /usr/bin/python3.12 /<<PKGBUILDDIR>>/src/pybind/cephfs/setup.py build --build-base /<<PKGBUILDDIR>>/obj-x86_64-linux-gnu/lib/cython_modules --build-platlib /<<PKGBUILDDIR>>/obj-x86_64-linux-gnu/lib/cython_modules/lib.3 /<<PKGBUILDDIR>>/src/pybind/cephfs/setup.py:8: DeprecationWarning: 'pkgutil.find_loader' is deprecated and slated for removal in Python 3.14; use importlib.util.find_spec() instead if not pkgutil.find_loader('setuptools'): -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2078244 Title: ceph: Does not respect compiler flags for Python extensions To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ceph/+bug/2078244/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
