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Add example variables to doc/cross-development.

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Jonas 'Sortie' Termansen 2014-09-19 16:37:34 +02:00
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@ -46,6 +46,22 @@ thereof as it has been customized to understand Sortix and provide a number of
useful extensions. You may need to occasionally upgrade the toolchain, in the
event that it is further modified and Sortix takes advantage of these changes.
Variables
---------
This guide uses shell variables to denote where you have choice. You would
typically decide to set them up somewhat like this:
# The Sortix source code is in /home/user/sortix
# The cross-compiler is installed in /home/user/opt/x86_64-sortix
SORTIX_PLATFORM=x86_64-sortix
CROSS_PREFIX=/home/user/opt/x86_64-sortix
SYSROOT=/home/user/sortix/sysroot
export PATH="/home/user/opt/x86_64-sortix/bin:$PATH"
The following sections describe these variables in detail.
Target Platform
---------------