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Fail less mysteriously; inform the user that their LLVM was not built with

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libffi support and that the interpreter can't call external functions without
it. Patch by Timo Juhani Lindfors! Fixes PR5466.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89062 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nick Lewycky 2009-11-17 07:52:09 +00:00
parent ff1b61f2d3
commit 0e49fe8140
1 changed files with 3 additions and 0 deletions
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3
lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp
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@ -284,6 +284,9 @@ GenericValue Interpreter::callExternalFunction(Function *F,
else else
llvm_report_error("Tried to execute an unknown external function: " + llvm_report_error("Tried to execute an unknown external function: " +
F->getType()->getDescription() + " " +F->getName()); F->getType()->getDescription() + " " +F->getName());
#ifndef USE_LIBFFI
errs() << "Recompiling LLVM with --enable-libffi might help.\n";
#endif
return GenericValue(); return GenericValue();
} }