=> Bootstrap dependency digest>=20211023: found digest-20220214
===> Skipping vulnerability checks.
WARNING: No /usr/pkg/pkgdb/pkg-vulnerabilities file found.
WARNING: To fix run: `/usr/sbin/pkg_admin -K /usr/pkg/pkgdb fetch-pkg-vulnerabilities'.
===> Building for py39-z3-4.12.5
* Building wheel...
running bdist_wheel
running build
Configuring Z3
-- The CXX compiler identification is GNU 10.5.0
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /pbulk/work/math/py-z3/work/.cwrapper/bin/c++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Z3 version 4.12.5.0
-- Failed to find git directory.
-- CMake generator: Unix Makefiles
-- Build type: Release
-- Found Python3: /pbulk/work/math/py-z3/work/.buildlink/bin/python3 (found version "3.9.19") found components: Interpreter
-- Python3_EXECUTABLE: /pbulk/work/math/py-z3/work/.buildlink/bin/python3
-- Detected target architecture: i686
-- Not using libgmp
-- Not using Z3_API_LOG_SYNC
-- Thread-safe build
-- Performing Test HAS_SSE2
-- Performing Test HAS_SSE2 - Success
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD - Failed
-- Check if compiler accepts -pthread
-- Check if compiler accepts -pthread - yes
-- Found Threads: TRUE
-- Performing Test HAS__Wall
-- Performing Test HAS__Wall - Success
-- C++ compiler supports -Wall
-- Treating only serious compiler warnings as errors
-- Performing Test HAS__Werror_odr
-- Performing Test HAS__Werror_odr - Success
-- C++ compiler supports -Werror=odr
-- Performing Test HAS__Werror_return_type
-- Performing Test HAS__Werror_return_type - Success
-- C++ compiler supports -Werror=return-type
-- LTO disabled
-- Performing Test BUILTIN_ATOMIC
-- Performing Test BUILTIN_ATOMIC - Failed
-- Performing Test ATOMICS_REQUIRE_LIBATOMIC
-- Performing Test ATOMICS_REQUIRE_LIBATOMIC - Failed
CMake Error at cmake/check_link_atomic.cmake:21 (message):
  Host compiler must support std::atomic!
Call Stack (most recent call first):
  CMakeLists.txt:382 (include)


-- Configuring incomplete, errors occurred!
error: Unable to configure Z3.

ERROR Backend subprocess exited when trying to invoke build_wheel
*** Error code 1

Stop.
make[1]: stopped in /usr/pkgsrc/math/py-z3
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/math/py-z3