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| author | Dan Liew <daniel.liew@imperial.ac.uk> | 2016-11-22 09:50:41 +0000 |
|---|---|---|
| committer | Dan Liew <delcypher@gmail.com> | 2016-11-22 20:23:22 +0000 |
| commit | c003a21a8fc1849e3661d6b7b996a26ae8edaea8 (patch) | |
| tree | 75b5ffb3bd85e413d6ec5d9952c489be1562d772 | |
| parent | 699ad8c143983097cb24fac45c37f3246c7fab7b (diff) | |
| download | klee-c003a21a8fc1849e3661d6b7b996a26ae8edaea8.tar.gz | |
[CMake] Fix determining the system libraries needed by LLVM from
`llvm-config` when using LLVM 3.5 and newer. In newer versions of `llvm-config`, `--ldflags` doesn't give the system libraries anymore. Instead we need to use `--system-libs`. Issue reported by @ryosa .
| -rw-r--r-- | cmake/find_llvm.cmake | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/cmake/find_llvm.cmake b/cmake/find_llvm.cmake index b1d3dc27..df730e12 100644 --- a/cmake/find_llvm.cmake +++ b/cmake/find_llvm.cmake @@ -149,7 +149,14 @@ else() string_to_list("${_llvm_libs}" _llvm_libs_list) # Now find the system libs that are needed. - _run_llvm_config(_system_libs "--ldflags") + if (${LLVM_PACKAGE_VERSION} VERSION_LESS "3.5") + # For LLVM 3.4 and older system libraries + # appeared in the output of `--ldflags`. + _run_llvm_config(_system_libs "--ldflags") + # TODO: Filter out `-L<path>` flag. + else() + _run_llvm_config(_system_libs "--system-libs") + endif() string_to_list("${_system_libs}" _system_libs_list) # Create an imported target for each LLVM library |