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README.md: Rework FreeBSD kernel options

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Sebastian Huber 2019-03-17 09:54:32 +01:00
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@ -189,13 +189,14 @@ Please make sure you use the exact command or you might find you are cloning
the whole of the FreeBSD source tree. If that happens simply git ^C and try the whole of the FreeBSD source tree. If that happens simply git ^C and try
again. again.
FreeBSD Kernel Options
----------------------
FreeBSD Developer Support You can set FreeBSD kernel options during build configuration with the
------------------------- --freebsd-option=a,b,c,... configuration command option. This is an advanced
option and should only be used if you are familiar with the internals of the
The --freebsd-option provides a tool you can set special kernel options. This FreeBSD kernel and what these options do. Each of the comma separated options
is a developer tool and should only be used if you are familiar with the is converted to uppercase and passed as a compiler command line define (-D).
internals of the FreeBSD kernel and what these options do.
The options are listed in: The options are listed in:
@ -208,5 +209,8 @@ configure with:
--freebsd-options=bootverbose,verbose_sysinit,bus_debug --freebsd-options=bootverbose,verbose_sysinit,bus_debug
``` ```
The LibBSD Waf support splits the options and converts them to uppercase and To enable kernel internal consistency checking use:
adds them -D options on the compiler command line.
```
--freebsd-options=invariants,invariant_support
```