[gentoo-dev] packages using DistUtils

[gentoo-dev] packages using DistUtils

[Jon Nelson]

I'll try to say this without offending anybody.
Any package that uses DistUtils (ie, you have build or install lines that
use 'setup.py'), *please* understand that the following is *incorrect*:

python setup.py --prefix=${D}/usr build || die
(or install)

That sets the *prefix* to ${D}/usr, which for most things isn't an issue,
but the *prefix* is embedded in some apps.

The *correct* way to build or install is to use the following form:

src_compile() {
	python setup.py --prefix=/usr build || die
}

src_install() {
	python setup.py --root=${D} --prefix=/usr install || die
	# etc...
}

The reason why has to do with the same reasons why doing a ./configure
with a --prefix of ${D}/usr is a *bad* idea -- it is *not* the prefix (the
prefix is /usr).

Additionally, even though DistUtils is nice enough to build during install
if
not already built, it's generally good practice to have a separate build
in
src_compile, but that is less critical than the --prefix issue.

Thanks!

-- 
Pound for pound, the amoeba is the most vicious animal on earth.

Jon Nelson <jnelson@jamponi.net>
C and Python Code Gardener

Re: [gentoo-dev] packages using DistUtils

[Jon Nelson]

On Sun, 28 Apr 2002 11:28:35 -0500
Jon Nelson <jnelson@jamponi.net> wrote:

..
> The *correct* way to build or install is to use the following form:
> 
> src_compile() {
> 	python setup.py --prefix=/usr build || die
> }

Don't ya know that I messed up?  Don't use --prefix in *build*, only
*install*.
Sorry.



-- 
Pound for pound, the amoeba is the most vicious animal on earth.

Jon Nelson <jnelson@jamponi.net>
C and Python Code Gardener