CMake Warning:
  Manually-specified variables were not used by the project:

    CMAKE_EXPORT_NO_PACKAGE_REGISTRY


/home/conan/w/cci_PR-4179/.conan/data/proj/7.0.0/_/_/build/9ddd8242f1dc1b6bd1e421af4ba32b0ea533d8c8/source_subfolder/src/mutex.cpp:106:32: warning: unknown warning group '-Wzero-as-null-pointer-constant', ignored [-Wunknown-pragmas]
#pragma GCC diagnostic ignored "-Wzero-as-null-pointer-constant"
                               ^
1 warning generated.
CMake Warning:
  Manually-specified variables were not used by the project:

    CMAKE_EXPORT_NO_PACKAGE_REGISTRY


/home/conan/w/cci_PR-4179/1/5b5f7c21-61ca-42e9-8eba-aca86ba105cf/recipes/proj/all/test_package/test_package.c:39:5: warning: '/*' within block comment [-Wcomment]
    /* coordinates is longitude, latitude, and values are expressed in degrees. */
    ^
1 warning generated.