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Question about native compilation

From: Yasuhiro Kimura
Subject: Question about native compilation
Date: Thu, 10 Jun 2021 03:01:02 +0900 (JST)


At first, thank you for implementing native compilation. It's very

Currently I'm trying to change some 3rd party emacs lisp programs so
they build and install .eln files if Emacs executable supports native
compilation. For example I would like to write Makefile such as

NATIVE_COMPILE!= $(execute command to check if native compilation is supported)

        emacs -q -batch -f batch-byte-compile *.el
.if ${NATIVE_COMPILE} == yes
        emacs -q -batch -f batch-native-compile *.el

        install -m 644 -p *.el *.elc /usr/local/share/emacs/site-lisp
.if ${NATIVE_COMPILE} == yes
        install -m 644 -p *.eln ${directory where 3rd party .eln files should 
be installed}

And I have 2 qestions about it.

1. What is the recommended way to check if executable of Emacs
   supports native compilation?
2. Is there standard place where 3rd party .eln files should be
   installed? I expect such directories as
   ${prefix}/share/emacs/site-lisp or
   ${prefix}/share/emacs/$(version)/site-lisp for .el and .elc files.

Best Regards.

Yasuhiro Kimura

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