Commits on Jul 8, 2024

1. [flang] Add -fhermetic-module-files …

   Module files emitted by this Fortran compiler are valid Fortran source
   files.  Symbols that are USE-associated into modules are represented
   in their module files with USE statements and special comments with
   hash codes in them to ensure that those USE statements resolve to
   the same modules that were used to build the module when its module
   file was generated.
   
   This scheme prevents unchecked module file growth in large applications
   by not emitting USE-associated symbols redundantly.  This problem can
   be especially bad when derived type definitions must be repeated in
   the module files of their clients, and the clients of those modules,
   and so on.  However, this scheme has the disadvantage that clients of
   modules must be compiled with dependent modules in the module search path.
   
   This new -fhermetic-module-files option causes module file output to
   be free of dependences on any non-intrinsic module files; dependent
   modules are instead emitted as part of the module file, rather than
   being USE-associated.  It is intended for top level library module files
   that are shipped with binary libraries when it is not convenient to collect
   and ship their dependent module files as well.
   
   Fixes llvm#97398.

   

   klausler committed Jul 8, 2024
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