[gentoo-dev] Ebuild Writing

[gentoo-dev] Ebuild Writing

[Thomas Kahle]

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Hi all,

i'm not sure if this is the right place for my question, if not, please
tell me the right one.

I'm trying to write an ebuild for a math software called polymake. It
uses a non-autotools, makefile and perl based configuration mechanism.
This thing will ask questions to the user during the make process.
These questions can be answered using the information from make.conf, so
it should be automated?
Now my question is: How to do it in a clean way?
a) Patch the makefile?
b) Use a tool like "expect" to answer the questions?

Attached you find my first try (which just asks the questions during merge).

Thanks already, any comment is appreciated.

Thomas
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# Copyright 1999-2008 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

inherit eutils

IUSE="fullconfig"

DESCRIPTION="research tool for polyhedral geometry"
SRC_URI="http://www.math.tu-berlin.de/polymake/download/polymake-2.3.tar.bz2"

HOMEPAGE="http://www.math.tu-berlin.de/polymake"

SLOT="0"
LICENSE="GPL-3"
KEYWORDS="~x86"

DEPEND="dev-libs/gmp
	>=sys-devel/gcc-4.1.2"

src_compile(){
	
	# Interactive Configuration
	if use fullconfig; then 
		emake configure || die "configuration failed"
	fi

	einfo "Due to heavy template usage by the package it requires"
	einfo "up to 300MB of RAM per process. Use MAKEOPTS="-j1" if"
	einfo "you run into trouble."

	if ! use fullconfig; then 
		elog "Polymake will be built with -O3 which is considered safe"
		elog "Set useflag fullconfig to change"
	fi

	emake || die "emake failed"
}

src_install(){
	emake DESTDIR="${D}" install || die "install failed"
}

pkg_postinst(){
	elog "You will need to set up your PATH to use Polymake"
	elog "If you use bash add "
	elog "PATH=\$PATH:/usr/local/polymake/bin;"
	elog "to your .bashrc"
}

Re: [gentoo-dev] Ebuild Writing

[Mike Frysinger]

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On Monday 21 January 2008, Thomas Kahle wrote:
> i'm not sure if this is the right place for my question, if not, please
> tell me the right one.

i dont think there's a mailing list for this stuff, but there is an irc 
channel (#gentoo-dev-help iirc)

> I'm trying to write an ebuild for a math software called polymake. It
> uses a non-autotools, makefile and perl based configuration mechanism.
> This thing will ask questions to the user during the make process.
> These questions can be answered using the information from make.conf, so
> it should be automated?

ebuilds should always be automated

> Now my question is: How to do it in a clean way?
> a) Patch the makefile?

it sounded like you can write the answers into make.conf ahead of time ?

> b) Use a tool like "expect" to answer the questions?

yikes, i doubt most people nowadays know what expect is let alone how to use 
it :)

you can usually cheat if there is a set # of questions and they'd always be 
asked in the same order ...
./some-curious-command.sh <<-EOF
first answer
${second_answer_from_a_var}
$(third answer from a command)
EOF
-mike

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[gentoo-dev] gentoo-devhelp@g.o exists

[Torsten Veller]

* Mike Frysinger <vapier@gentoo.org>:
> On Monday 21 January 2008, Thomas Kahle wrote:
> > i'm not sure if this is the right place for my question, if not, please
> > tell me the right one.
> 
> i dont think there's a mailing list for this stuff, but there is an irc 
> channel (#gentoo-dev-help iirc)

gentoo-devhelp was created some days ago.
More info on <http://www.gentoo.org/main/en/lists.xml>.
-- 
gentoo-dev@lists.gentoo.org mailing list

Re: [gentoo-dev] Ebuild Writing

[Thomas Kahle]

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Hi again
Thanks for your comments, I will try dev-help next time.
I will submit (fully automated version) to bugzilla tonight if it works
on all the machines i find here...

- -tom

Thomas Kahle wrote:
> Hi all,
> 
> i'm not sure if this is the right place for my question, if not, please
> tell me the right one.
> 
> I'm trying to write an ebuild for a math software called polymake. It
> uses a non-autotools, makefile and perl based configuration mechanism.
> This thing will ask questions to the user during the make process.
> These questions can be answered using the information from make.conf, so
> it should be automated?
> Now my question is: How to do it in a clean way?
> a) Patch the makefile?
> b) Use a tool like "expect" to answer the questions?
> 
> Attached you find my first try (which just asks the questions during merge).
> 
> Thanks already, any comment is appreciated.
> 
> Thomas
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[gentoo-dev] Re: gentoo-devhelp@g.o exists

[Ryan Hill]

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Torsten Veller wrote:

> gentoo-devhelp was created some days ago.
> More info on <http://www.gentoo.org/main/en/lists.xml>.

I filed a request to get it on GMane.  Should be available in a bit.


-- 
fonts,                                            by design, by neglect
gcc-porting,                              for a fact or just for effect
wxwindows @ gentoo     EFFD 380E 047A 4B51 D2BD C64F 8AA8 8346 F9A4 0662


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[gentoo-dev] Re: gentoo-devhelp@g.o exists

[Ryan Hill]

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Ryan Hill wrote:
> Torsten Veller wrote:
> 
>> gentoo-devhelp was created some days ago.
>> More info on <http://www.gentoo.org/main/en/lists.xml>.
> 
> I filed a request to get it on GMane.  Should be available in a bit.

She's up.  gmane.linux.gentoo.devhelp


-- 
fonts,                                            by design, by neglect
gcc-porting,                              for a fact or just for effect
wxwindows @ gentoo     EFFD 380E 047A 4B51 D2BD C64F 8AA8 8346 F9A4 0662


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