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List:       gentoo-dev
Subject:    Re: [gentoo-dev] USE=ninja to compile by ninja, otherwise by make
From:       Fabulous Zhang Zheng <zheng1181822466 () gmail ! com>
Date:       2022-07-29 18:58:40
Message-ID: CAJwjFt3nBfrhjUvprSQgzPYPsmBh3vKhkvRqd_srwSp1ijsYHQ () mail ! gmail ! com
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Sorry for bothering.

Fabulous Zhang Zheng <zheng1181822466@gmail.com> 于2022年7月30日周六 01:31写道：

> Thanks for your reply
>
> <waebbl-gentoo@posteo.net> 于2022年7月30日周六 01:09写道：
>
>> On Sat, 30 Jul 2022 00:38:54 +0800
>> Fabulous Zhang Zheng <zheng1181822466@gmail.com> wrote:
>>
>> > Dear everyone,
>> >
>> >
>> > While gentoo-devhelp is a better place for questions, it's been inactive
>> > for years so I sent an email here. Apologies if this is solely for
>> gentoo
>> > developers.
>>
>> There's #gentoo-dev-help
>>
>> >
>> > After trying to read cmake.eclass source code, I think separately
>> denoting
>> > ninja/make in src_compile and src_install might be possible. But
>> > cmake_build still automatically detects the build type so I am confused.
>> >
>>
>> Take a look at CMAKE_MAKEFILE_GENERATOR variable used in cmake.eclass.
>> You want to change this from the default to emake if you want to use
>> make instead of ninja.
>>
>>
>> I noticed this variable before but it must be set before inherit.
> If I try something like:
>
>  if ! use ninja; then
>     CMAKE_MAKEFILE_GENERATOR=emake
> fi
> inherit cmake xdg ninja-utils
>
> pkgcheck will say report error:
> external commands disallowed during metadata regen: 'use ninja'
>
> Best regards
>

I asked this question in #gentoo-dev-help.

According to @iamben and @floppy, using the default ninja is best supported,
emake would only be preferred if the package fails with ninja.

And apologies again, for bothering with this list,
I was not aware of the IRC.

Best regards

[Attachment #3 (text/html)]

<div dir="ltr"><div dir="ltr"><div id="gmail-:uj" class="gmail-Ar gmail-Au gmail-Ao" \
style="display:block"><div id="gmail-:uf" class="gmail-Am gmail-Al editable \
gmail-LW-avf gmail-tS-tW gmail-tS-tY" aria-label="邮件正文" aria-multiline="true" \
style="direction:ltr;min-height:85px" tabindex="1"><div>Sorry for \
bothering.</div></div></div></div><br><div class="gmail_quote"><div dir="ltr" \
class="gmail_attr">Fabulous Zhang Zheng &lt;<a \
href="mailto:zheng1181822466@gmail.com">zheng1181822466@gmail.com</a>&gt; \
于2022年7月30日周六 01:31写道：<br></div><blockquote class="gmail_quote" \
style="margin:0px 0px 0px 0.8ex;border-left:1px solid \
rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div dir="ltr">Thanks for your \
reply<br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">&lt;<a \
href="mailto:waebbl-gentoo@posteo.net" \
target="_blank">waebbl-gentoo@posteo.net</a>&gt; 于2022年7月30日周六 \
01:09写道：<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px \
0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">On Sat, 30 Jul 2022 \
00:38:54 +0800<br> Fabulous Zhang Zheng &lt;<a \
href="mailto:zheng1181822466@gmail.com" \
target="_blank">zheng1181822466@gmail.com</a>&gt; wrote:<br> <br>
&gt; Dear everyone,<br>
&gt; <br>
&gt; <br>
&gt; While gentoo-devhelp is a better place for questions, it&#39;s been inactive<br>
&gt; for years so I sent an email here. Apologies if this is solely for gentoo<br>
&gt; developers.<br>
<br>
There&#39;s #gentoo-dev-help<br>
<br>
&gt; <br>
&gt; After trying to read cmake.eclass source code, I think separately denoting<br>
&gt; ninja/make in src_compile and src_install might be possible. But<br>
&gt; cmake_build still automatically detects the build type so I am confused.<br>
&gt; <br>
<br>
Take a look at CMAKE_MAKEFILE_GENERATOR variable used in cmake.eclass.<br>
You want to change this from the default to emake if you want to use<br>
make instead of ninja.<br>
<br>
<br></blockquote><div>I noticed this variable before but it must be set before \
inherit.</div><div>If I try something like:</div><div><br></div><div \
style="margin-left:40px">  if ! use ninja; then<br>      \
CMAKE_MAKEFILE_GENERATOR=emake<br>fi<br>inherit cmake xdg ninja-utils</div><div \
style="margin-left:40px"><br></div>pkgcheck will say report error:</div><div \
class="gmail_quote">external commands disallowed during metadata regen: &#39;use \
ninja&#39;</div><div class="gmail_quote"><br></div><div class="gmail_quote">Best \
regards<br></div></div></blockquote><div><div><br></div><div>I asked this question in \
#gentoo-dev-help.</div><div><br></div><div>According to @iamben and <a \
class="gmail_plusreply" id="gmail-plusReplyChip-1">@floppy</a>, using the default \
ninja is best supported,</div><div>emake would only be preferred if the package fails \
with ninja.</div><div><br></div><div>And apologies again, for bothering with this \
list,</div><div>I was not aware of the IRC.</div><div><br></div><div>Best \
regards</div>  </div></div></div>



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