Failed 'dub run' with 'Failed to invoke the compiler dmd'

[Timoses via Digitalmars-d-learn]

dub run -v

Linking...
dmd 
-of.dub/build/standalone-debug-posix.osx-x86_64-dmd_2068-4E2C9DFD17A7951AAA2F7856AB27FB45/vibelog .dub/build/standalone-debug-posix.osx-x86_64-dmd_2068-4E2C9DFD17A7951AAA2F7856AB27FB45/vibelog.o ../../.dub/packages/stringex-0.0.2/libstringex.a ../../.dub/packages/dyaml-0.5.2/libdyaml.a ../../.dub/packages/tinyendian-0.1.2/libtinyendian.a ../../.dub/packages/vibe-d-0.7.26-alpha.2/libvibe-d.a -L-levent -L-levent_pthreads -L-lssl -L-lcrypto -g
ld: library not found for -levent
clang: error: linker command failed with exit code 1 (use -v to 
see invocation)
--- errorlevel 1
FAIL 
.dub/build/standalone-debug-posix.osx-x86_64-dmd_2068-4E2C9DFD17A7951AAA2F7856AB27FB45/ vibelog executable
dmd failed with exit code 1.