Commits on Feb 18, 2022

1. selects specific llvm components for linking …

   Up until now, we were linking all available LLVM components that
   resulted in the bloated binary image and linking errors due to
   improperly packaged libraries on various distributions, e.g., missing
   Polly library, various problems with libterm, and so on, all these
   problems arose from components that we do not actually use. Moreover,
   the problem were never solved and issues remain open for decades.
   
   The new approach is to link only the selected components. Since the
   list of available components is quite extensive (around 200) and there
   is no documentation available about their dependencies and intention,
   it is quite hard to identify the subset that we really need. The
   current default set works fine on llvm-14 but we can refine it later,
   once we will discover any problems. The components could be manually
   selected via the `./configure` script with the
   `--with-llvm-components` option. For example
   `--with-llvm-components=all` will enable the old behavior.

   

   ivg committed Feb 18, 2022
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