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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 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. 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 Target Platform
--------------- ---------------