GNU bug report logs - #65319
compilation error on Android (Termux)

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Message #22 received at 65319-done <at> debbugs.gnu.org (full text, mbox):

From: Po Lu <luangruo <at> yahoo.com>
To: Bruno Haible <bruno <at> clisp.org>
Cc: 65319-done <at> debbugs.gnu.org
Subject: Re: bug#65319: compilation error on Android (Termux)
Date: Wed, 16 Aug 2023 20:33:36 +0800

Bruno Haible <bruno <at> clisp.org> writes:

> Po Lu wrote:
>> Does Gnulib guarantee that the gl_CHECK_FUNCS_ANDROID stuff will
>> continue to exist in the future?  If so, I'm inclined towards using
>> that.
>
> Yes. This macro is used over 100 times in Gnulib, has not seen any
> problem reports in the last 6 months, and is prefixed with 'gl_'
> not '_gl_'. Therefore it's very unlikely to go away.
>
> Note this macro's documentation:
>
> ...
> dnl Thus, the question "does the OS have the function func" has three possible
> dnl answers:
> dnl   - yes, in all versions starting from the given API level,
> dnl   - no, in no version,
> dnl   - not in the given API level, but in a later version of Android.
> ...
> dnl This macro sets two variables:
> dnl   - gl_cv_onwards_func_<func>   to yes / no / "future OS version"
> dnl   - ac_cv_func_<func>           to yes / no / no
> dnl The first variable allows to distinguish all three cases.
> dnl The second variable is set, so that an invocation
> dnl   gl_CHECK_FUNCS_ANDROID([func], [[#include <foo.h>]])
> dnl can be used as a drop-in replacement for
> dnl   AC_CHECK_FUNCS([func]).
>
> Bruno

Thanks.  I'll install the change you proposed in short order, and am
closing this bug.

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