npm install ffi failing

I ran npm install ffi and the build failed on my macbook.

Setup: MBP w/ MacOS 10.13.4 Hardware: 11,1

Log:

> ffi@2.2.0 install /Users/Maciej/projects/tester/node_modules/ffi
> node-gyp rebuild

  CC(target) Release/obj.target/ffi/deps/libffi/src/prep_cif.o
  CC(target) Release/obj.target/ffi/deps/libffi/src/types.o
  CC(target) Release/obj.target/ffi/deps/libffi/src/raw_api.o
  CC(target) Release/obj.target/ffi/deps/libffi/src/java_raw_api.o
  CC(target) Release/obj.target/ffi/deps/libffi/src/closures.o
  CC(target) Release/obj.target/ffi/deps/libffi/src/x86/ffi.o
  CC(target) Release/obj.target/ffi/deps/libffi/src/x86/ffi64.o
  CC(target) Release/obj.target/ffi/deps/libffi/src/x86/darwin.o
  CC(target) Release/obj.target/ffi/deps/libffi/src/x86/darwin64.o
  LIBTOOL-STATIC Release/libffi.a
Traceback (most recent call last):
  File "./gyp-mac-tool", line 611, in <module>
    sys.exit(main(sys.argv[1:]))
  File "./gyp-mac-tool", line 28, in main
    exit_code = executor.Dispatch(args)
  File "./gyp-mac-tool", line 43, in Dispatch
    return getattr(self, method)(*args[1:])
  File "./gyp-mac-tool", line 246, in ExecFilterLibtool
    if not libtool_re.match(line) and not libtool_re5.match(line):
TypeError: cannot use a string pattern on a bytes-like object
make: *** [Release/libffi.a] Error 1
gyp ERR! build error
gyp ERR! stack Error: `make` failed with exit code: 2
gyp ERR! stack     at ChildProcess.onExit (/usr/local/lib/node_modules/npm/node_modules/node-gyp/lib/build.js:258:23)
gyp ERR! stack     at ChildProcess.emit (events.js:182:13)
gyp ERR! stack     at Process.ChildProcess._handle.onexit (internal/child_process.js:237:12)
gyp ERR! System Darwin 17.5.0
gyp ERR! command "/usr/local/Cellar/node/10.5.0_1/bin/node" "/usr/local/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js" "rebuild"
gyp ERR! cwd /Users/Maciej/projects/tester/node_modules/ffi
gyp ERR! node -v v10.5.0
gyp ERR! node-gyp -v v3.6.2
gyp ERR! not ok
npm WARN tester No description
npm WARN tester No repository field.
npm WARN tester No license field.

npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! ffi@2.2.0 install: `node-gyp rebuild`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the ffi@2.2.0 install script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     /Users/Maciej/.npm/_logs/2018-07-04T21_04_08_132Z-debug.log

Thanks.

[terrybondy]

Running pyenv local system once in the build directory worked for me.

[yangypDeveloper]

npm install git://github.com/node-ffi/node-ffi.git seems fine.