Plugin for Devel::PatchPerl for general build patches which should be provided by Devel::PatchPerl, but are not yet.
This list is complete:
5.19.3-5: Compress::Raw::Zlib -g3 final link failed: Memory exhausted
Apply patches in Devel::PatchPerl::Plugin::General depending on the perl version. See Devel::PatchPerl::Plugin.
Every patch is recorded in patchlevel.h, visible in myconfig. If a patch fails the script dies.