RFR: Add Makefile wrapper

[Robin Westberg]

On Tue, 1 Oct 2019 13:05:32 GMT, Erik Helin <ehelin at openjdk.org> wrote:

> Hi all,
> 
> this patch adds a Makefile "wrapper" around `gradlew`. This allows the Skara CLI tooling to be installed using the (for Linux/macOS users) familiar commands:
> 
> $ make
> $ make install
> 
> The user can also give a prefix to `make install`, as in `make prefix=/usr install`. The Makefile variables have the same names as for git upstream. One benefit of installing the Skara CLI tooling this way is that the man pages are available via `--help` to various Skara CLI commands.
> 
> Please note that this is in _no_ way meant to replace the existing Gradle based build system, this is only a thin wrapper for convenience.
> 
> Thanks,
> Erik
> 
> ----------------
> 
> Commits:
>  - c34d755a: Add Makefile
> 
> Changes: https://git.openjdk.java.net/skara/pull/172/files
>  Webrev: https://webrevs.openjdk.java.net/skara/172/webrev.00
>   Stats: 56 lines in 1 file changed: 56 ins; 0 del; 0 mod
>   Patch: https://git.openjdk.java.net/skara/pull/172.diff
>   Fetch: git fetch https://git.openjdk.java.net/skara pull/172/head:pull/172

Makefile line 41:

> 40: install: all $(LAUNCHERS) $(MANPAGES) $(sharedir)/skara
> 41: 
> 42: $(mandir)/man1/%: $(BUILD)/bin/man/man1/%

Perhaps echo something like "Installed to $(prefix)" here?

PR: https://git.openjdk.java.net/skara/pull/172