shadow unconditionally uses reallocarray and explicit_bzero since bump to version 4.14.3 in commit8a01774d98and1aa22c14670e0a310acfresulting in the following uclibc build failure: /home/autobuild/autobuild/instance-9/output-1/host/lib/gcc/arc-buildroot-linux-uclibc/13.1.1/../../../../arc-buildroot-linux-uclibc/bin/ld: groups.o: in function `main': groups.c:(.text.startup+0x20): undefined reference to `reallocarray' Fixes: - http://autobuild.buildroot.org/results/98be07d299aa383a447a1f1dd2924a00c1a29a34 Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com> [Peter: add a comment about what functions are missing, reallocf reference] Signed-off-by: Peter Korsgaard <peter@korsgaard.com>