Resolved! STM32MP1 ecosystem 3.10 Developer package kernel fails to build on Ubuntu 21.10 (glibc 3.22 not found)
make ARCH=arm uImage vmlinux dtbs LOADADDR=0xC2000040 GEN Makefile HOSTCC scripts/mod/mk_elfconfig/media/user/H3D1P2/Tools/STM32MP1/STM_ECO_3.10/Developer-Package/SDK/sysroots/x86_64-ostl_sdk-linux/usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/11/libl...