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1.1       matthieu    1:
                      2:        Notes on building Xenocara for OpenBSD X hackers
                      3:
                      4: This document presents some techniques that can be useful for people
                      5: wanting to hack the xenocara tree. It assumes some basic knowledge of
                      6: the OpenBSD build system, as described in the release(8) manual page.
                      7:
                      8: o About Xenocara
                      9:   --------------
                     10: Xenocara is the name choosen for OpenBSD's version of X. It's
                     11: currently based on X.Org 7.2 and its dependencies. The goal of
                     12: Xenocara is to provide a framework to host local modifications and to
                     13: automate the build of the modular X.Org components, including 3rd
                     14: party packages and some software maintained by OpenBSD developpers.
                     15:
                     16: o Source tree
                     17:   -----------
                     18:
                     19: The organisation of the xenocara directory follows the general
                     20: organisation used in X.Org:
                     21:
                     22: - app:      X applications and utilities
                     23: - data:             various data files (keyboard mappings and bitmaps)
                     24: - doc:      documentation
                     25: - driver:    input and video drivers
                     26: - font:             fonts
                     27: - lib:      libraries
                     28: - proto:     X protocol headers
                     29: - util:             utilities that don't fit anywhere else
                     30: - xserver:   the source for the X servers
                     31:
                     32: In addition Xenocara uses the following directories:
                     33:
                     34: - dist:            contains the Mesa sources, shared by lib and xserver above
                     35: - distrib:  all binary distribution related tools and data
                     36: - etc:     mtree(8) data files
1.3       matthieu   37: - share:    make(1) configuration for Xenocara
1.1       matthieu   38:
1.2       matthieu   39: At the top-level directory two files describe the individual
1.3       matthieu   40: components of Xenocara:
1.1       matthieu   41:
1.2       matthieu   42: - MODULES  lists all X.Org components (imported from the X.Org
                     43:           distribution at http://xorg.freedesktop.org/archive/)
1.3       matthieu   44: - 3RDPARTY lists all 3rd party software components provided in Xenocara,
1.2       matthieu   45:           either as dependencies of the X.Org software, or as
                     46:           complements to it to provide a more useable default
                     47:           environment.
                     48:
                     49: o Compiling and installing
                     50:   ------------------------
                     51:
1.3       matthieu   52: Xenocara is made up of more than three hundred different
                     53: independent packages that need to be build and installed in the right
                     54: order, especially while bootstrapping (while /usr/X11R6 is still
                     55: empty). The Xenocara Makefiles take care of that using the 'build'
1.2       matthieu   56: target.
                     57:
                     58:   Requirements
                     59:
                     60: A freshly checked out xenocara tree is buildable without any external
                     61: tool. However if you start modifying things in the automake build
                     62: system used by many packages, you will need to have the following
1.3       matthieu   63: GNU autotools packages installed:
1.2       matthieu   64:
                     65:     - automake 1.9 (devel/automake/1.9)
                     66:     - autoconf 2.59 (devel/autoconf/2.59)
                     67:     - pkg-config 0.19 (or later) (devel/pkgconfig)
                     68:     - libtool 1.5.22 (or later) (devel/libtool)
                     69:
                     70:   Sudo
                     71:
                     72: If the SUDO variable points to your sudo(8) binary in /etc/mk.conf,
                     73: 'make build' can be run as a normal user. It will raise its privileges
                     74: whenever needed with sudo. Otherwise, you need to run make build as
                     75: root.
                     76:
1.3       matthieu   77: If you have installed the full Xenocara X sets on your system, you
                     78: don't need to build all of Xenocara to patch one element. You can go
1.2       matthieu   79: to any module sub-directory and run 'make build' from there.
                     80:
                     81:   Objdirs
                     82:
                     83: Xenocara supports objdirs (and it's even the recommended way to build
                     84: things). Just run 'make obj' at any level before 'make build' to make
1.4     ! matthieu   85: sure that the object directories are created.
1.2       matthieu   86:
                     87:   Shadow trees
                     88:
                     89: Alternatively, the old 'lndir(1)' method can still be used to build
1.3       matthieu   90: Xenocara outside of its source tree. Just don't use 'make obj' in this
1.2       matthieu   91: case.
                     92:
                     93: o Regenerating configure scripts
                     94:   ------------------------------
                     95:
                     96: Whenever you touched an import file for GNU autotools (Makefile.am,
                     97: configure.ac mostly), you need to rebuild the configure script and
                     98: makefiles skeletons. For that use the following command:
                     99:
                    100:  env XENOCARA_RERUN_AUTOCONF=Yes make -f Makefile.bsd-wrapper build
                    101:
                    102: You can also set XENOCARA_RERUN_AUTOCONF in /etc/mk.conf to force
                    103: regeneration of configure scripts in every component.
                    104:
1.4     ! matthieu  105: $OpenBSD: README,v 1.3 2006/11/30 17:58:48 matthieu Exp $