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rabcor
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 Posted: Sat May 31, 2014 6:21 am Post subject: [Solved]Installing unsupported programs from local sources? |
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I've got a custom keyboard driver I need to get set up. I have the sources stored locally in tar.bz2 archives and naturally all the dependencies are also installed. But how do I install from the sources I've got?
I remember in arch it was as simple as running "makepkg -i" (but in there I also had a PKGBUILD file with instructions)
Considering that portage compiles everything from source anyways I imagine this can't be hard, but I've googled around and didn't find anything probably because I just can't figure out the right keyword to search 
How should I proceed?
Edit:
For g15daemon I just had to move my patch to "/etc/portage/patches/app-misc/g15daemon/" and portage would automatically apply the patch.
For libg15 I had to create an overlay with an updated ebuild (keep reading) and then do the same for "/etc/portage/patches/dev-libs/libg15/"
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Last edited by rabcor on Mon Jun 02, 2014 8:14 pm; edited 2 times in total |
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VinzC
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| Posted: Sat May 31, 2014 7:03 am Post subject: |
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Hi. I never did that though but have you tried the file:// URI scheme?
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rabcor
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| Posted: Sat May 31, 2014 8:29 am Post subject: |
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what do you mean?
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megabaks
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| Posted: Sat May 31, 2014 8:35 am Post subject: |
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just write ebuild
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rabcor
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| Posted: Sat May 31, 2014 8:42 am Post subject: |
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don't I have to learn like.. a lot of stuff to do that? 
Oh we already have ebuilds for this.
libg15, libg15render and g15daemon.
However I need to use custom sources for g15daemon and libg15 (my own sources)
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Last edited by rabcor on Sat May 31, 2014 8:46 am; edited 1 time in total |
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VinzC
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| Posted: Sat May 31, 2014 8:43 am Post subject: |
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| rabcor wrote: | | what do you mean? |
Since you didn't mention it, I assumed you had already started to write your own ebuild for the driver. That's indeed the way to go. Ebuild writing *can* be simple, depends on what you have to do. There is a good documentation and manual.
| rabcor wrote: | | don't I have to learn like.. a lot of stuff to do that? |
Depends on how your custom driver is supposed to be installed. Maybe if you expose the detailed procedure here we'll be able to help to some extent.
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rabcor
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| Posted: Sat May 31, 2014 8:47 am Post subject: |
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I think maybe I could just apply this by creating patches with diff since the packages are already available in the portage tree 
That is probably a lot easier right?
Oh I think the ebuilds don't support patches 
Is there a way I could modify the existing ebuilds and trick portage into my modified builds instead of the originals?
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VinzC
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| Posted: Sat May 31, 2014 8:53 am Post subject: |
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| rabcor wrote: | I think maybe I could just apply this by creating patches with diff since the packages are already available in the portage tree
That is probably a lot easier right? |
Ah, sure, if it's just a set of patches to apply to an already-existing driver, things get horribly simpler  . You *will* have to create your own overlay though as directly modifying the official ebuild guarantees your changes *will* be overwritten the next time you --sync.
So take the official ebuild for your driver and see if there's a PATCH or PATCHES line. That's where you put the *.diff and *patch location. Typically there's a /files subdirectory in the ebuild folder. That's where patches typically go.
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rabcor
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| Posted: Sat May 31, 2014 9:08 am Post subject: |
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I'm a bit noob here, (<- has never used overlays before, much less made one)
I assume I have to read this and the rest is pretty much self explanatory, yes?
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VinzC
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| Posted: Sat May 31, 2014 9:58 am Post subject: |
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Rather this page I'd say  . It's a local overlay that you need. Note that I for one don't use the repoman stuff — I've been using overlays for quite some time now and I didn't even suspect that HOWTO existed so it gives you an idea how stable and reliable portage can be. Whenever I have a custom ebuild I run this command to prepare the ebuild's manifest:
| Code: | | ebuild <path_to_the_ebuild_in_the_overlay> digest |
et voilà.
I guess repoman does that for you.
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rabcor
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| Posted: Sat May 31, 2014 2:13 pm Post subject: |
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Thanks! I think I kinda understand what I gotta do, turns out there's only one ebuild that I need to change. I got it from "/usr/portage/dev-libs/libg15/" assuming thats the right place for me to get it from 
This is what it looks like
| Code: |
# Copyright 1999-2012 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/dev-libs/libg15/libg15-1.2.7-r1.ebuild,v 1.2 2012/10/12 20:01:54 robbat2 Exp $
EAPI=4
DESCRIPTION="The libg15 library gives low-level access to the Logitech G15 keyboard"
HOMEPAGE="http://g15tools.sourceforge.net/"
SRC_URI="mirror://sourceforge/g15tools/${P}.tar.bz2"
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="amd64 ppc ppc64 x86"
IUSE=""
DEPEND="=virtual/libusb-0*"
RDEPEND=${DEPEND}
DOCS=( AUTHORS README ChangeLog )
src_configure() {
econf \
--disable-static
}
src_install() {
default
find "${ED}" -name '*.la' -exec rm -f {} +
}
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What do I do to make it read patches from /etc/portage/patches/...?
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Hu
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| Posted: Sat May 31, 2014 2:56 pm Post subject: |
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Immediately after the EAPI= line, add inherit eutils. Add a new bash function above src_configure(), with the text as follows: | Code: | src_prepare() {
epatch_user
} |
The implementation of epatch_user comes from eutils.eclass, which will be made available by the inherit line. The function epatch_user is responsible for reading patches from /etc/portage/patches/CATEGORY/PACKAGE. |
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VinzC
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| Posted: Sat May 31, 2014 3:37 pm Post subject: |
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| Hu wrote: | | Immediately after the EAPI= line, add inherit eutils. [...] The function epatch_user is responsible for reading patches from /etc/portage/patches/CATEGORY/PACKAGE. |
Isn't there a PATCHES clause in ebuilds that spares writing a custom patching function? I remember using that method to add patches to ebuilds. Has that method been deprecated?
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Hu
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| Posted: Sat May 31, 2014 3:56 pm Post subject: |
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| VinzC wrote: | | Hu wrote: | | Immediately after the EAPI= line, add inherit eutils. [...] The function epatch_user is responsible for reading patches from /etc/portage/patches/CATEGORY/PACKAGE. |
Isn't there a PATCHES clause in ebuilds that spares writing a custom patching function? I remember using that method to add patches to ebuilds. Has that method been deprecated? |
That method exists, and now that you mention it, I recall seeing it. I am not aware of any deprecation for it, and it is provided by using inherit base instead of inherit eutils. Based on the implementation, if you inherit base, then you receive a default src_prepare that will do what my example above did, as well as some other features. Therefore, OP can inherit base, get epatch_user for free as a side effect of base_src_prepare, and have access to the PATCHES behaviour you mentioned. |
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rabcor
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| Posted: Sat May 31, 2014 4:14 pm Post subject: |
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Thanks Hu, this means I have the ebuild (already have the patch too, I'll be sharing this in the kernel & hardware section soon (it's a way for people with the Logitech G510 keyboard to make full use of it)
Also, all I'm really doing with the ebuild is adding the user patch functionality to it, is there any chance I could forward it to portage's management so that I won't need the overlay later on (or if I am giving the patch to others that they don't need to create the overlay)
Here is how I created the overlay: (Can be turned into a script if "&" is added to the end of every line and "#!/bin/bash" is added to the start of the file first to automate the process)
| Code: |
mkdir -p /usr/local/portage
mkdir -p /usr/local/portage/{metadata,profiles}
echo libg510 > /usr/local/portage/profiles/dev-libs
echo 'masters = gentoo' > /usr/local/portage/metadata/layout.conf
chown -R portage:portage /usr/local/portage
echo 'PORTDIR_OVERLAY="/usr/local/portage ${PORTDIR_OVERLAY}"' >> /etc/portage/make.conf
mkdir -p /usr/local/portage/dev-libs
mkdir -p /usr/local/portage/dev-libs/libg15
cp /mnt/storage/Forrit/Linux/Core/G510/Gentoo/libg15-1.2.7-r1.ebuild /usr/local/portage/dev-libs/libg15/
cd /usr/local/portage/dev-libs/libg15 && repoman manifest
chown -R portage:portage /usr/local/portage |
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Last edited by rabcor on Wed Jun 04, 2014 12:35 am; edited 3 times in total |
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VinzC
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| Posted: Sat May 31, 2014 5:26 pm Post subject: |
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| rabcor wrote: | | [...] is there any chance I could forward it to portage's management so that I won't need the overlay later on (or if I am giving the patch to others that they don't need to create the overlay) |
IMHO quite an excellent to file a bug @ bugs.gentoo.org . You can send and explain your patch there.
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rabcor
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| Posted: Sun Jun 01, 2014 5:18 am Post subject: |
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There we go, thanks
Not uploading my patch though, it's just better if users can apply it themselves (it adds support for an unsupported keyboard for this driver while potentially compromising the existing support for other devices) it would need to be a separate package and the patches also need to be modified by the users to better suit their system (for example I have hardcoded the functionality of the extra keys)
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