E: failed to build gnuradio

[zhangasia]

in CMakeError.log

Compiling the CXX compiler identification source file "CMakeCXXCompilerId.cpp" failed.
Compiler: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang++ -mmacosx-version-min=10.7;-stdlib=libc++
Build flags: -I/Applications/GNURadio.app/Contents/MacOS/usr/include;-I/opt/X11/include;-DFORCE_BOOST_SMART_PTR
Id flags:

The output was:
1
ld: library not found for -lcrt1.10.6.o
clang: error: linker command failed with exit code 1 (use -v to see invocation)
Compiling the C compiler identification source file "CMakeCCompilerId.c" failed.
Compiler: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -mmacosx-version-min=10.7
Build flags: -I/Applications/GNURadio.app/Contents/MacOS/usr/include;-I/opt/X11/include
Id flags:

The output was:
1
ld: library not found for -lcrt1.10.6.o
clang: error: linker command failed with exit code 1 (use -v to see invocation)

In Terminal

-- Configuring python-support support...
--   Dependency PYTHONLIBS_FOUND = TRUE
--   Dependency SWIG_FOUND = TRUE
--   Dependency SWIG_VERSION_CHECK = TRUE
--   Dependency SIX_FOUND = TRUE
--   Enabling python-support support.
--   Override with -DENABLE_PYTHON=ON/OFF
--
-- Configuring VOLK support...
--   VOLK submodule is not checked out.
--   To check out the VOLK submodule, use:
--     git pull --recurse-submodules=on
--     git submodule update --init
--   External VOLK disabled.
--   Override with -DENABLE_INTERNAL_VOLK=ON/OFF
--
CMake Error at CMakeLists.txt:427 (message):
  VOLK required but not found.


-- Configuring incomplete, errors occurred!
See also "/Users/mac/Downloads/gnuradio-for-mac-without-macports/tmp/gnuradio-build/CMakeFiles/CMakeOutput.log".
See also "/Users/mac/Downloads/gnuradio-for-mac-without-macports/tmp/gnuradio-build/CMakeFiles/CMakeError.log".
make: *** No targets specified and no makefile found.  Stop.
make: *** No rule to make target `install'.  Stop.
E: failed to build gnuradio

• system version：10.14.6
  How to solve the problem,please?