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[creduce-dev] macOS 10.12 clang_delta link error

Working on a new release of C-Reduce for LLVM 5...

Dear lazylist: Building C-Reduce on macOS 10.12.6, against prebuilt LLVM 5.0.0
binaries, I get the following link error.  Do you recognize it/have a fix?
If not, no worries.

Thanks ---



[100%] Linking CXX executable clang_delta
Undefined symbols for architecture x86_64:
  "_futimens", referenced from:
      llvm::sys::fs::setLastModificationAndAccessTime(int, std::__1::chrono::time_point<std::__1::chrono::system_clock, std::__1::chrono::duration<long long, std::__1::ratio<1l, 1000000000l> > >) in libLLVMSupport.a(Path.cpp.o)
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make[2]: *** [clang_delta/clang_delta] Error 1
make[1]: *** [clang_delta/CMakeFiles/clang_delta.dir/all] Error 2
make: *** [all] Error 2

Eric Eide <eeide@cs.utah.edu>  .         University of Utah School of Computing
http://www.cs.utah.edu/~eeide/ . +1 (801) 585-5512 voice, +1 (801) 581-5843 FAX