bug#17971: 24.3.92; Patch to fix el compression on RHEL/CentOS 7

[Glenn Morris]

Stephen Hassard wrote:

> Here's the relevant output from the 'make install' on CentOS 7:
>
> ----
> [ -z "/usr/bin/gzip" ] || { \
>   echo "Compressing *.el ..." && \
>   cd "/home/shassard/opt/emacs/share/emacs/24.3.92/lisp" && \
>   find . -name '*.elc' -exec /bin/sh -c \
>     '/usr/bin/gzip -9n `expr "$1" : "\\(.*\\)c"`' dummy '{}' ';'; \
> }
> Compressing *.el ...
> find: './progmodes/make-mode.el': No such file or directory

Do you know why this happens?
What has changed since RHEL6, where it works fine?

> I've attached a revised patch that adds the -9n flag to the gzip command
> and switch back to -exec for find.

This fails if DESTDIR contains spaces.