call to 'cpp_nanosleep' is ambiguous

[v1gnesh]

When building a project using zopen and the oelcpp clang, with a dependency on zoslib, I get the following.
/usr/lpp/IBM/oelcpp/v2r0/bin/ is in $PATH.

Is this a known problem, and is there a work-around, wherein I use the headers from zoslib, rather than oelcpp?

[1/287] Building CXX object src/execution/operator/join/CMakeFiles/duckdb_operator_join.dir/ub_duckdb_operator_join.cpp.o
FAILED: src/execution/operator/join/CMakeFiles/duckdb_operator_join.dir/ub_duckdb_operator_join.cpp.o 
/usr/lpp/IBM/oelcpp/v2r0/bin/clang++ -DDUCKDB -DDUCKDB_BUILD_LIBRARY -DDUCKDB_MAIN_LIBRARY -I/v1g/zopen/dev/duckdbport/duckdb/src/include -I/v1g/zopen/dev/duckdbport/duckdb/third_party/fsst -I/v1g/zopen/dev/duckdbport/duckdb/third_party/fmt/include -I/v1g/zopen/dev/duckdbport/duckdb/third_party/hyperloglog -I/v1g/zopen/dev/duckdbport/duckdb/third_party/fastpforlib -I/v1g/zopen/dev/duckdbport/duckdb/third_party/fast_float -I/v1g/zopen/dev/duckdbport/duckdb/third_party/re2 -I/v1g/zopen/dev/duckdbport/duckdb/third_party/miniz -I/v1g/zopen/dev/duckdbport/duckdb/third_party/utf8proc/include -I/v1g/zopen/dev/duckdbport/duckdb/third_party/miniparquet -I/v1g/zopen/dev/duckdbport/duckdb/third_party/concurrentqueue -I/v1g/zopen/dev/duckdbport/duckdb/third_party/pcg -I/v1g/zopen/dev/duckdbport/duckdb/third_party/tdigest -I/v1g/zopen/dev/duckdbport/duckdb/third_party/mbedtls/include -I/v1g/zopen/dev/duckdbport/duckdb/third_party/jaro_winkler -fzos-le-char-mode=ascii -mnocsect -fno-short-enums -O3  -fgnu-keywords -I/v1g/zopen/prod/zoslib-zopen/include -O3 -DNDEBUG -O3 -DNDEBUG   -fPIC -fcolor-diagnostics -std=c++11 -MD -MT src/execution/operator/join/CMakeFiles/duckdb_operator_join.dir/ub_duckdb_operator_join.cpp.o -MF src/execution/operator/join/CMakeFiles/duckdb_operator_join.dir/ub_duckdb_operator_join.cpp.o.d -o src/execution/operator/join/CMakeFiles/duckdb_operator_join.dir/ub_duckdb_operator_join.cpp.o -c /v1g/zopen/dev/duckdbport/duckdb/build/release/src/execution/operator/join/ub_duckdb_operator_join.cpp
In file included from /v1g/zopen/dev/duckdbport/duckdb/build/release/src/execution/operator/join/ub_duckdb_operator_join.cpp:2:
In file included from /v1g/zopen/dev/duckdbport/duckdb/src/execution/operator/join/outer_join_marker.cpp:1:
In file included from /v1g/zopen/dev/duckdbport/duckdb/src/include/duckdb/execution/operator/join/outer_join_marker.hpp:11:
In file included from /v1g/zopen/dev/duckdbport/duckdb/src/include/duckdb/common/mutex.hpp:11:
In file included from /usr/lpp/IBM/oelcpp/v2r0/bin/../include/c++/v1/mutex:190:
In file included from /usr/lpp/IBM/oelcpp/v2r0/bin/../include/c++/v1/__mutex_base:14:
In file included from /v1g/zopen/prod/zoslib-zopen/include/__threading_support:15:
/usr/lpp/IBM/oelcpp/v2r0/bin/../include/c++/v1/__threading_support:420:11: error: call to 'cpp_nanosleep' is ambiguous
   while (nanosleep(&__ts, &__ts) == -1 && errno == EINTR);
          ^~~~~~~~~
/v1g/zopen/prod/zoslib-zopen/include/__threading_support:14:19: note: expanded from macro 'nanosleep'
#define nanosleep cpp_nanosleep
                  ^~~~~~~~~~~~~
/v1g/zopen/prod/zoslib-zopen/include/time.h:64:16: note: candidate function
__Z_EXPORT int nanosleep(const struct timespec*, struct timespec*);
               ^
/v1g/zopen/prod/zoslib-zopen/include/__threading_support:14:19: note: expanded from macro 'nanosleep'
#define nanosleep cpp_nanosleep
                  ^
/usr/lpp/IBM/oelcpp/v2r0/bin/../include/c++/v1/__support/ibm/nanosleep.h:17:22: note: candidate function
_LIBCPP_FUNC_VIS int nanosleep(const struct timespec* , struct timespec* );
                     ^
/v1g/zopen/prod/zoslib-zopen/include/__threading_support:14:19: note: expanded from macro 'nanosleep'
#define nanosleep cpp_nanosleep
                  ^
1 error generated.

[v1gnesh]

I've included time.h in the relevant file (mutex.hpp in this case), and make/cmake proceeds to get past this successfully. Thank you @IgorTodorovskiIBM!