Sven Barth schrieb:
1.
You wrote that you use the source code of FPC 2.6.0 and copied the
"compiler" and "rtl" directories to some other "workplace". I suggest
you to use a SVN checkout of the development version (you can find the
links here: http://www.freepascal.org/develop.var (at "Connect to Source
Repository with SVN")), because than you can more easily revert back
something. Also there were quite a few changes from 2.6.0 to 2.7.1 and
thus it's better to work with the most recent source.
I wouldn't suggest to use 2.7 (trunk) as the development base, with
Unicode and other features under development. Once a machine and RTL has
been implemented for 2.6, it should not be so hard to merge it into trunk.
I also would suggest git for all experiments, with better branch, merge
and revert capabilites than SVN offers.
2.
I suggest you to use the Lazarus IDE to do compiler development
+1
DoDi
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