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In-Reply-To: <98752ff6-19fa-b003-a3a1-b4260cbbd450@gmx.de>
From: "Chad Parker (parker DOT charles AT gmail DOT com) [via geda-help AT delorie DOT com]" <geda-help AT delorie DOT com>
Date: Sat, 21 Nov 2020 16:01:18 -0500
Message-ID: <CAJZxidCTR1BOGRtFQ0SwqAniY9BSReKh2gjXO=VoCj9e+_EuNg@mail.gmail.com>
Subject: Re: [geda-help] use own m4 footprints in pcb
To: geda-help AT delorie DOT com
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Reply-To: geda-help AT delorie DOT com

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Hi Klaus-

I think the problem here is that most people aren't using the m4 footprints
anymore, so the expertise available to help is somewhat limited.

My understanding (which may be wrong because I haven't delved into that
particular part of the code) is that pcb doesn't actually read the m4
footprints, but rather the m4 scripts are used to generate footprints. So,
if you want to create a footprint from an m4 file, you have to run the m4
script with the desired parameters and generate a separate file that
contains the footprint data. I think this is done at compile time for the
m4 definitions that are included with pcb.

I imagine that gsch2pcb is running the m4 script with the specified rules
and including the footprint definition in the pcb file that it generates.
So, that's why it works with gsch2pcb, but not when you're trying to open
it directly.

Does any of that make sense?

--Chad


On Sat, Nov 21, 2020 at 1:52 PM Klaus Rudolph (lts-rudolph AT gmx DOT de) [via
geda-help AT delorie DOT com] <geda-help AT delorie DOT com> wrote:

> I still search a way how to integrate own m4 footprints to pcb.
>
> I am able to use own m4 footprints in connection with gsch2pcb, but I
> still not able to select a self created footprint in pcb itself from the
> library window.
>
> Any hint is very welcome...
>
> Klaus
>
>

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<div dir=3D"ltr"><div>Hi Klaus-</div><div><br></div><div>I think the proble=
m here is that most people aren&#39;t using the m4 footprints anymore, so t=
he expertise available to help is somewhat limited.</div><div><br></div><di=
v>My understanding (which may be wrong because I haven&#39;t delved into th=
at particular part of the code) is that pcb doesn&#39;t actually read the m=
4 footprints, but rather the m4 scripts are used to generate footprints. So=
, if you want to create a footprint from an m4 file, you have to run the m4=
 script with the desired parameters and generate a separate file that conta=
ins the footprint data. I think this is done at compile time for the m4 def=
initions that are included with pcb. <br></div><div><br></div><div>I imagin=
e that gsch2pcb is running the m4 script with the specified rules and inclu=
ding the footprint definition in the pcb file that it generates. So, that&#=
39;s why it works with gsch2pcb, but not when you&#39;re trying to open it =
directly.</div><div><br></div><div>Does any of that make sense?<br></div><d=
iv><br></div><div>--Chad<br></div><div><br></div></div><br><div class=3D"gm=
ail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Sat, Nov 21, 2020 at 1:=
52 PM Klaus Rudolph (<a href=3D"mailto:lts-rudolph AT gmx DOT de">lts-rudolph AT gmx.=
de</a>) [via <a href=3D"mailto:geda-help AT delorie DOT com">geda-help AT delorie DOT com=
</a>] &lt;<a href=3D"mailto:geda-help AT delorie DOT com">geda-help AT delorie DOT com</a=
>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px=
 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">I s=
till search a way how to integrate own m4 footprints to pcb.<br>
<br>
I am able to use own m4 footprints in connection with gsch2pcb, but I<br>
still not able to select a self created footprint in pcb itself from the<br=
>
library window.<br>
<br>
Any hint is very welcome...<br>
<br>
Klaus<br>
<br>
</blockquote></div>

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