FTBFS on PPC (debian bullseye/testing)
It complains about the constexpr patched out in this patch: https://salsa.debian.org/monado-team/monado/-/blob/debian/master/debian/patches/0005-t-psmv-Fix-FTBFS-on-PowerPC.patch
In file included from /<<PKGBUILDDIR>>/src/xrt/auxiliary/tracking/t_kalman.cpp:12:
/<<PKGBUILDDIR>>/src/xrt/auxiliary/tracking/t_tracker_psmv_fusion.cpp: In member function ‘virtual void xrt_fusion::{anonymous}::PSMVFusion::process_imu_data(timepoint_ns, const xrt_tracking_sample*, const xrt_vec3*)’:
/<<PKGBUILDDIR>>/src/xrt/auxiliary/tracking/t_tracker_psmv_fusion.cpp:151:41: error: ‘(2.0e+1l * 3.14159265358979323846264338327948e+0l)’ is not a constant expression
151 | constexpr double max_rad_per_sec = 20 * EIGEN_PI * 2;
| ^
Full build log: https://buildd.debian.org/status/fetch.php?pkg=monado&arch=powerpc&ver=0.1.0%2Bgit108.a8a4d8c3-1&stamp=1586464140&raw=0
I don't know why that doesn't work: is it maybe complaining that the int to double conversion isn't constexpr?