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mattmatteh
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PostPosted: Thu Feb 12, 2009 3:14 am    Post subject: how to correct the makefile for sfml ebuild Reply with quote

i was trying to write an ebuild for sfml http://www.sfml-dev.org/
the makefile has DESTDIR, DESTLIBDIR, DESTINCDIR. should be using $(DESTDIR)/$(PREFIX). how can i tell it the install dir ?
could anyone suggest how to fix this or some www page that could help explain how to fix ?

matt
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sethleon
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PostPosted: Thu Feb 12, 2009 2:09 pm    Post subject: Reply with quote

You find an ebuild by google'ing. ;) http://www.emilienkia.fr/public/gentoo/media-libs/sfml/sfml-1.2.ebuild

Nevertheless these Links may be usefull:
http://www.gentoo.org/proj/en/devrel/handbook/handbook.xml?part=2&chap=1
http://devmanual.gentoo.org/

The basics are that an ebuild is seperated in functions called by python.
All actions are performed in a sandbox, no operation may install anything outside the temp directory.

The install section could be:
Code:
src_install() {
   emake DESTDIR="${D}" install || die "failed"
}

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mattmatteh
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PostPosted: Thu Feb 12, 2009 7:54 pm    Post subject: Reply with quote

yes, i did all that. sorry, i should have said that in my first post :(

i was using that ebuild. that works kinda but has problems. there is a QA issue with linking. i asked in #gentoo-dev-help and i think zlin said i had to fix the makefile. the makefile is using DESTDIR as PREFIX, and it needs to be changed so that it uses both variables correctly, this is what i am trying to do, create a makefile patch.
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sethleon
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PostPosted: Thu Feb 12, 2009 9:03 pm    Post subject: Reply with quote

Ok, that is kind'a easy :wink:

First we need the unpacked sources, let's assume <ebuild> is the ebuild you have, unpacking is as follows:
Code:
ebuild <ebuild> unpack
(you need the full ebuild directory or ebuild directory as current directory)
The unpacked source folder should be at the following directory: /var/tmp/portage/media-libs/sfml-1.4/work
"Change dir" to it. Do the following, that will be our reference copy:
Code:
cp -R sfml-1.4 sfml-1.4-old

Now change your Makefile in directory sfml-1.4. Create the patch as follows (you should be in directory work):
Code:
diff -Naur sfml-1.4-old sfml-1.4 >correct-Makefile.patch

Now you can move the patch to the files directory in your ebuild directory (by the way it should be a local portage, not being synced by rsync).
Concerning your ebuild, you need the src_unpack function in your ebuild:
Code:
src_unpack() {
    unpack ${A}
    cd "${S}"

    epatch "${FILESDIR}/correct-Makefile.patch"
}

Finally you need a new digest or Manifest for your ebuild:
Code:
ebuild <ebuild> digest

Ok, now your ebuild should work. ;)
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mattmatteh
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PostPosted: Thu Feb 12, 2009 9:18 pm    Post subject: Reply with quote

nice, thanks for the help. but i have not made the patch yet ( that would have been the next question). i was trying to figure out how to fix the makefile. do you know the correct usage for PREFIX and DESTDIR ? perhaps you could look at the makefile ?

http://downloads.sourceforge.net/sfml/SFML-1.4-sdk-linux.tar.gz

src/SFML/Makefile

thanks

matt
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sethleon
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PostPosted: Thu Feb 12, 2009 9:49 pm    Post subject: Reply with quote

In general PREFIX stands for the part of the path to add before another part of a path.
DESTDIR stands for the directory, to which to install to.

Concerning the Makefile, following lines need to be fixed:
Code:
export DESTDIR    = /usr
export DESTLIBDIR = $(DESTDIR)/lib
export DESTINCDIR = $(DESTDIR)/include

to the following, which allows the correct install (first to the image directory, next to the system):
Code:
export PREFIX    = /usr
export DESTLIBDIR = $(DESTDIR)$(PREFIX)/lib
export DESTINCDIR = $(DESTDIR)$(PREFIX)/include

This allows the setting of a PREFIX, usually /usr or /usr/local and the DESTDIR usually ${D} which contains /var/tmp/portage/media-libs/srfm-1.4/image/
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mattmatteh
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PostPosted: Fri Feb 13, 2009 12:02 am    Post subject: Reply with quote

thanks, that was the help i was looking for. here is the ebuild. any comments or suggestions before i file a bug to have it added ?
Code:
inherit eutils autotools

HOMEPAGE="http://sfml.sourceforge.net/"
SRC_URI="http://downloads.sourceforge.net/sfml/SFML-${PV}-sdk-linux.tar.gz"
IUSE=""
LICENSE="ZLIB as-is"
SLOT="0"

DEPEND="media-libs/freetype
        media-libs/libsndfile
        media-libs/openal"

#       media-libs/libvorbis was listed as a dependency for the ebuild i found.  but is not listed on sfml website
#       http://www.sfml-dev.org/tutorials/1.4/start-linux.php

RDEPEND="${DEPEND}"
DESCRIPTION="Simple and fast multimedia library"
KEYWORDS="~x86 ~amd64 ~ppc"

S="${WORKDIR}/SFML-${PV}"

src_unpack()
{
        unpack ${A}
        cd "${S}"
        sed -i 's:DESTDIR:PREFIX:' src/SFML/Makefile
        sed -i 's:$(PREFIX):$(DESTDIR)$(PREFIX):' src/SFML/Makefile
}

src_compile()
{
        emake || die
}

src_install()
{
        emake install DESTDIR="${D}"/usr || die
}
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sethleon
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PostPosted: Fri Feb 13, 2009 11:39 am    Post subject: Reply with quote

Have you tried emerging it?
I can't find any error, this should be ok.
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mattmatteh
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PostPosted: Fri Feb 13, 2009 8:10 pm    Post subject: Reply with quote

there are no errors.
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Bluespear
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PostPosted: Sun Oct 04, 2009 4:49 pm    Post subject: Reply with quote

Hello, I tried to pick up your ebuild to install the 1.5 but there is a path problem: includes gets installed in /usr/usr/include/SFML ... tried without fixing paths but problem is even worse (I install it on usr/include... instead of /usr/include).

Someone having an ebuild for 1.5 ?
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mattmatteh
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PostPosted: Sun Oct 04, 2009 6:41 pm    Post subject: Reply with quote

http://gpo.zugaina.org/Search?search=sfml

Overlay: sping

use layman to add that. or just copy from that site.

matt
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Bluespear
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PostPosted: Sun Oct 04, 2009 7:31 pm    Post subject: Reply with quote

Thanks you :D
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