The branch is building again! http://ci.guix.gnu.org/eval/10974 Qtbase is failing on aarch64: https://ci.guix.gnu.org/build/166439/details There errors like this: ------ g++ -c -pipe -O2 -w -fPIC -I. -I/gnu/store/48i8mxxb1v4x632dff3i1dbdhsazm8bw-mariadb-10.5.8-dev/include/mysql -I/gnu/store/48i8mxxb1v4x632dff3i1dbdhsazm8bw-mariadb-10.5.8-dev/include/mysql/mysql -I/tmp/guix-build-qtbase-5.15.2.drv-0/qtbase-everywhere-src-5.15.2/mkspecs/linux-g++ -o main.o main.cpp g++ -Wl,-O1 -o mysql main.o -L/gnu/store/c9id1jf4r3cfys6289p92wpdhk1ryns0-mariadb-10.5.8-lib/lib/ ld: main.o: in function `main': main.cpp:(.text.startup+0x8): undefined reference to `mysql_get_client_version' collect2: error: ld returned 1 exit status make: *** [Makefile:69: mysql] Error 1 ------