new_dep_solver: improve error message for unknown system library.

e107f68a · Tristan Gingold · 558bec34 · e107f68a
Commit e107f68a authored Mar 12, 2020 by Tristan Gingold
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new_dep_solver.py hdlmake/sourcefiles/new_dep_solver.py +4 -1

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--- a/hdlmake/sourcefiles/new_dep_solver.py
+++ b/hdlmake/sourcefiles/new_dep_solver.py
@@ -64,7 +64,10 @@ def solve(fileset, syslibs, standard_libs=None):
    # Dependencies provided by system libraries.
    system_rels = []
    for e in syslibs:
-        system_rels.extend(all_system_libs[e]())
+        f = all_system_libs.get(e)
+        if f is None:
+            raise Exception("system library '{}' is unknown".format(e))
+        system_rels.extend(f())

    logging.debug("SOLVE BEGIN")
    not_satisfied = 0