README for XFree86® 4.8.0 on NetBSD : Building New X Clients
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## 9. Building New X Clients

The easiest way to build a new client (X application) is to use `xmkmf` if an `Imakefile` is included in the sources. Type ```xmkmf -a`'' to create the Makefiles, check the configuration if necessary and type ```make`''. Whenever you install additional man pages you should update `whatis.db` by running ```makewhatis /usr/X11R6/man`''.

When porting clients to *BSD systems, make use of the symbol BSD for code which is truly BSD-specific. The value of the symbol can be used to distinguish different BSD releases. For example, code specific to the Net-2 and later releases can use:

> `#if (BSD >= 199103)`

To ensure that this symbol is correctly defined, include `<sys/param.h>` in the source that requires it. Note that the symbol CSRG_BASED is defined for *BSD systems in XFree86 3.1.1 and later. This should be used to protect the inclusion of `<sys/param.h>`.

For code that really is specific to a particular i386 BSD port, use __FreeBSD__ for FreeBSD, __NetBSD__ for NetBSD, __OpenBSD__ for OpenBSD, and __bsdi__ for BSD/386.

README for XFree86® 4.8.0 on NetBSD : Building New X Clients
Previous: Rebuilding the XFree86 Distribution
Next: Thanks