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Subject: [bug#35545] [PATCH 06/17] gnu: javacc: Install binaries.
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References: <20190503145820.606f37db@sybil.lepiller.eu>
	<20190503130134.24788-1-julien@lepiller.eu>
	<20190503130134.24788-6-julien@lepiller.eu>
From: Ricardo Wurmus <rekado@elephly.net>
In-reply-to: <20190503130134.24788-6-julien@lepiller.eu>
Date: Sat, 04 May 2019 13:52:11 +0200
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To: Julien Lepiller <julien@lepiller.eu>
Cc: 35545@debbugs.gnu.org


Julien Lepiller <julien@lepiller.eu> writes:

> * gnu/packages/java.scm (javacc)[arguments]: Add install-bin phase.
[=E2=80=A6]
> +         (add-after 'install 'install-bin
> +           (lambda* (#:key outputs inputs #:allow-other-keys)
> +             (let* ((out (assoc-ref outputs "out"))
> +                    (dir (string-append out "/share/java"))
> +                    (bin (string-append out "/bin")))
> +               (mkdir-p bin)
> +               (with-output-to-file (string-append bin "/javacc")
> +                 (lambda _
> +                   (display
> +                     (string-append "#!/bin/sh\n"
> +                                    (assoc-ref inputs "jdk") "/bin/java"
> +                                    " -cp " dir "/javacc.jar" " `basenam=
e $0`" " $*"))))

I think it=E2=80=99s better not to use basename here.  We already know the =
store
location.

> +               (chmod (string-append bin "/javacc") #o755)
> +               (symlink (string-append bin "/javacc")
> +                        (string-append bin "/jjdoc"))
> +               (symlink (string-append bin "/javacc")
> +                        (string-append bin "/jjtree"))))))))

Why symlink javacc with different names?

Since you=E2=80=99re reusing the javacc file name so often it makes sense to
let-bind it.

Please end the build phase on #T.

--
Ricardo