how-lix-os-pkgs/bzip2/default/PATCH-NOTES

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the bzip2 patch is pretty extensive, so here's a brief explanation.
1. the first part just sets the correct environmental variable values for a
static build that gets installed to / instead of /usr/local.
2. most of the other changes consist of replacing $(PREFIX)/man with
$(PREFIX)/share/man. without these changes, bzip2 creates a /man directory
and installs the manpages there instead of in /share/man like every other
package.
3. in the recommended alpine linux bootstrap host, copying over a symlink to
busybox doesn't replace the symlink. instead it replaces the busybox binary!
so changes were added to remove possible symlinks before copying "over" them.