List dependencies of a package

Auch999 · 2016-02-28 14:09:38

Hello :)

I'd like to obtain a list of all dependencies of a specific package, that ...

... (1) are required to compile and install the package (e.g. gcc>=5.3.0-3, libX>=0.0.1-1, ...)

... (2) are required to run executables contained in the package (e.g. libY>=0.0.1-1, ...)

... (3) can optionally be used by the executables contained in the package (e.g. libZ>=0.0.1-1, ...)

I tried to obtain these lists with pacman, expac, pactree, but I'm unable to execatly get what I want ...

Preferably, I'd like to obtain these lists without the need to have the package installed.

Thank you in advance for your answers :)

Last edited by Auch999 (2016-02-28 14:18:02)

Trilby · 2016-02-28 14:25:10

A PKGBUILD contains variables for each of those. Get the PKGBUILD from the ABS.

The second two can be seen easily with pacman. If it isn't obvious how to do so, you should probably check the man page.

graysky · 2016-02-28 14:25:59

Trilby wrote:

A PKGBUILD contains variables for each of those. Get the PKGBUILD from the ABS.

Or from the packages link if you want a www interface for whatever reason.

Docbroke · 2016-02-28 14:26:41

pacman -Si xxx

for package in official repos, they are pre-built, so no build dependencies, for aur package replace pacman with yaourt

Auch999 · 2016-02-28 14:35:36

Well thanks but when I look at the PKGBUILD for 'linux' for example, there is no gcc or make mentioned as a prerequisite to build the kernel - where do these come from?

Trilby · 2016-02-28 14:37:39

Please make an effort to search for your own answers:
https://wiki.archlinux.org/index.php/PKGBUILD

Also, this sounds very much like an XY problem - what are you actually trying to do?

Auch999 · 2016-02-28 14:50:40

Okay, I searched the wiki and it says packages are built with makepkg and the packages of the base-devel group are assumed to be installed already - so basically all base-devel packages are unmentioned build-dependencies for all other packages?

Trilby wrote:

what are you actually trying to do?

I want to build an arch package in a container which only contains its build dependencies and the build dependencies' runtime dependencies.

graysky · 2016-02-28 14:54:56

Auch999 wrote:

I want to build an arch package in a container which only contains its build dependencies and the build dependencies' runtime dependencies.

This is precisely why I wrote clean-chroot-manager.

Auch999 · 2016-02-28 14:59:48

graysky wrote:

Auch999 wrote:
I want to build an arch package in a container which only contains its build dependencies and the build dependencies' runtime dependencies.
This is precisely why I wrote clean-chroot-manager.

Interesting, I'll have a look

Auch999 · 2016-02-28 15:23:36

So as a follow-up-question,

since the makedepends variable of a PKGBUILD of a package does not contain the packages from the base-devel group it really needs, there is no clean way to determine the specific build dependencies (without unneeded packages from base-devel) of an arch package?

Scimmia · 2016-02-28 15:24:08

Nope.

In addition to clean-chroot-manager, you can also look at the scripts in the devtools package that will create a chroot and build in it. This is how packages in the repos are generally built.

Last edited by Scimmia (2016-02-28 15:25:42)

clfarron4 · 2016-02-28 15:26:03

Auch999 wrote:

So as a follow-up-question,
since the makedepends variable of a PKGBUILD of a package does not contain the packages from the base-devel group it really needs, there is no clean way to determine the specific build dependencies (without unneeded packages from base-devel) of an arch package?

It's assumed that you will have the base-devel package installed to do any kind of package building in ArchLinux. Just like how you need the build-essentials package in Ubuntu for the same thing, even though nobody lists it as a dependency.

Arch Linux

#1 2016-02-28 14:09:38

List dependencies of a package

#2 2016-02-28 14:25:10

Re: List dependencies of a package

#3 2016-02-28 14:25:59

Re: List dependencies of a package

#4 2016-02-28 14:26:41

Re: List dependencies of a package

#5 2016-02-28 14:35:36

Re: List dependencies of a package

#6 2016-02-28 14:37:39

Re: List dependencies of a package

#7 2016-02-28 14:50:40

Re: List dependencies of a package

#8 2016-02-28 14:54:56

Re: List dependencies of a package

#9 2016-02-28 14:59:48

Re: List dependencies of a package

#10 2016-02-28 15:23:36

Re: List dependencies of a package

#11 2016-02-28 15:24:08

Re: List dependencies of a package

#12 2016-02-28 15:26:03

Re: List dependencies of a package

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