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| author | Nick Lewycky <nicholas@mxc.ca> | 2009-11-17 07:52:09 +0000 |
|---|---|---|
| committer | Nick Lewycky <nicholas@mxc.ca> | 2009-11-17 07:52:09 +0000 |
| commit | 928d16d438165dc6459fdde2365d36e64642ed1e (patch) | |
| tree | 12725a5523466f8e95a8bfc50fecf63ce02fe277 /lib/ExecutionEngine | |
| parent | d06c8c5777c8bda4fac5bebc55324fe5fd7bc6dd (diff) | |
| download | external_llvm-928d16d438165dc6459fdde2365d36e64642ed1e.zip external_llvm-928d16d438165dc6459fdde2365d36e64642ed1e.tar.gz external_llvm-928d16d438165dc6459fdde2365d36e64642ed1e.tar.bz2 | |
Fail less mysteriously; inform the user that their LLVM was not built with
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
Diffstat (limited to 'lib/ExecutionEngine')
| -rw-r--r-- | lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp b/lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp index a620de5..8b4e961 100644 --- a/lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp +++ b/lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp @@ -284,6 +284,9 @@ GenericValue Interpreter::callExternalFunction(Function *F, else llvm_report_error("Tried to execute an unknown external function: " + F->getType()->getDescription() + " " +F->getName()); +#ifndef USE_LIBFFI + errs() << "Recompiling LLVM with --enable-libffi might help.\n"; +#endif return GenericValue(); } |