[Important] Linking error under Linux

[Joel Bodenmann]

Depending on the GCC version that you are using you might encounter a linking error when building an uGFX project under Linux. This is due to a very well known bug in one of the latest versions of GCC. To bypass this problem, simply disable the LTO feature. When you're using our Makefiles you can just set the OPT_LINK_OPTIMIZE macro to no:

OPT_LINK_OPTIMIZE	= no

This will produce a slightly larger binary but on a Linux enviornment this shouldn't be that much of a problem.

~ Tectu