219 lines
7.3 KiB
Text
219 lines
7.3 KiB
Text
xbps-src - building packages from source
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========================================
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Introduction
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------------
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`xbps-src` is the utility used by the _X binary package system_ to build
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binary packages from source distribution files. A root directory (`srcpkgs`)
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contains multiple subdirs, each one to build a package as its name
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indicates. The following directory structure illustrates it:
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.................................
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xbps-templates/
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|-----srcpkgs/
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|-----binutils/
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|-----gcc/
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|-----glibc/
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..................................
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A package subdirectory always has a `template` file, that are the
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specifications to download and build the binary package from its source files.
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Additionally some packages may have additional subdirs on it: `files`
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and `patches`. The `files` subdir may contain configuration files, or
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any other file required to build the package. The `patches` subdir contains
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patches that are applied to the source before building.
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Some packages may provide `subpackages`; they are different binary packages
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that are built from the same source package. Each `subpackage` in the directory
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structure (as shown above) is a symlink to the `real` package subdir, like this:
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....................................
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srcpkgs/
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|-----gcc/
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|-----libgomp -> gcc
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|-----libmudflap -> gcc
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|-----libstdc++ -> gcc
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....................................
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Each subpackage uses its own `template` build file that is contained in
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the `real` package subdir, and they have exactly the same name than the
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symlink pointing to the `real` package subdir. The following example
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illustrates the structure used by the _udev_ package in the filesystem:
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.......................................
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srcpkgs/
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|-----libgudev-devel -> udev
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|-----libgudev -> udev
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|-----udev-devel -> udev
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|-----udev/
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|----template
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|----libgudev-devel.template
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|----libgudev.template
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|----udev-devel.template
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.......................................
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Requirements
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------------
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The following software is required in the host system to build XBPS
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binary packages from source:
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- GNU awk
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- GNU bash
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- GNU bison
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- GNU gcc c++ (development package)
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- GNU gettext (development package)
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- GNU make
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- GNU patch
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- GNU texinfo
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- fakeroot
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- perl
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- sudo
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Starting up
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-----------
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Firstly you'll have to download the `git` repository that contains `xbps-src`
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and the build template files. To clone it with `git` use:
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----------------------------------------------------
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$ git clone git://repo.or.cz/xbps.git xbps-templates
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----------------------------------------------------
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`xbps-src` and its shell utilities need to be installed in a directory
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for correct operation, that is accomplished by issuing:
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--------------------------------------------------
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$ cd xbps-templates/xbps-src && make install clean
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--------------------------------------------------
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This will install all files into `/usr/local` by default, can be changed
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by specifying `PREFIX` and `DESTDIR` to make(1).
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Building packages from source
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-----------------------------
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`xbps-src` always look for a `template` file in current directory, that's what
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it specifies the package build definitions and such. The build templates
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are located in the `srcpkgs` directory, you should change the cwd to the
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directory matching the package that you want to work on, i.e for binutils,
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its directory is `srcpkgs/binutils`.
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If configuration file is not specified from the command line with the
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`-c` flag, it will first try to use the default location at
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`/usr/local/etc/xbps-src.conf` (or the installation prefix that was specified
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to the make(1) command), and as last resort in the etc directory of the
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current directory.
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To avoid problems with libtool and configure scripts finding stuff that is
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available in the host system, almost all packages must be built inside of a
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chroot. So the first thing would be to create the required set of packages
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that will be used in the chroot:
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----------------------------------------------------------------
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$ cd xbps-templates/srcpkgs/xbps-base-chroot && xbps-src install
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----------------------------------------------------------------
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This will build all required packages via fakeroot in masterdir, therefore you
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can run it as normal user. Next commands will require super-user privileges
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and all package handling will be done within the chroot. I believe it's the
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most easier and faster way to handle clean dependencies; another reason would
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be that xbps packages are meant to be used in a system and not just for
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ordinary users. So once all packages are built, you can create and enter
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to the chroot with:
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----------------------
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$ sudo xbps-src chroot
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----------------------
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Press Control + D to exit from the chroot. The following targets will require
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to be done in the chroot (_once xbps-base-chroot is installed_):
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*build, configure, install, install-destdir, remove, stow and unstow*
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Now let's explain some more about the targets that you can use. To start
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installing packages you should use the install target, all source packages
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are located in the `srcpkgs` directory, so to install glib:
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------------------------------------------
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~/srcpkgs/glib$ sudo xbps-src install
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------------------------------------------
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If the package is properly installed, it will be "stowned" automatically.
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``stowned'' means that this package is available in the master directory,
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on which xpbs has copied all files from DESTDIR/<pkgname>.
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To remove a currently installed (and stowned) package, you can use:
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-----------------------------------------
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~/srcpkgs/glib$ sudo xbps-src remove
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-----------------------------------------
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Please note that when you remove it, the package will also be removed
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from XBPS_DESTDIR and previously `unstowned`.
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To stow an already installed package (from XBPS_DESTDIR/<pkgname>):
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---------------------------------------
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~/srcpkgs/glib$ sudo xbps-src stow
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---------------------------------------
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To unstow an already installed (stowned) package:
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-----------------------------------------
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~/srcpkgs/glib$ sudo xbps-src unstow
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-----------------------------------------
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You can also print some stuff about any template build file, e.g:
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----------------------------------
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~/srcpkgs/glib$ xbps-src info
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----------------------------------
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To list installed (stowned) packages, use this:
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---------------
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$ xbps-src list
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---------------
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To only extract the distfiles, without configuring/building/installing:
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------------------------------------
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~/srcpkgs/glib$ xbps-src extract
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------------------------------------
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To not remove the build directory after successful installation:
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---------------------------------------------
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~/srcpkgs/glib$ sudo xbps-src -C install
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---------------------------------------------
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To only fetch the distfile:
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-----------------------------------
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~/srcpkgs/glib$ xbps-src fetch
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-----------------------------------
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To only install the package, _without_ stowning it into the master directory:
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--------------------------------------------------
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~/srcpkgs/glib$ sudo xbps-src install-destdir
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--------------------------------------------------
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To list files installed by a package, note that package must be installed
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into destination directory first:
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----------------------------
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$ xbps-src listfiles pkgname
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----------------------------
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