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

    CMAKE_EXPORT_NO_PACKAGE_REGISTRY
    CMAKE_INSTALL_BINDIR
    CMAKE_INSTALL_DATAROOTDIR
    CMAKE_INSTALL_INCLUDEDIR
    CMAKE_INSTALL_LIBDIR
    CMAKE_INSTALL_LIBEXECDIR
    CMAKE_INSTALL_OLDINCLUDEDIR
    CMAKE_INSTALL_SBINDIR


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

    CMAKE_EXPORT_NO_PACKAGE_REGISTRY


/home/conan/w/cci_PR-4119/2/7b5765e8-f102-44b9-b031-b45e2bc239b9/recipes/libsrtp/all/test_package/test_package.cpp:28:16: error: use of undeclared identifier 'nullptr'
        policy.next = nullptr;
                      ^
1 error generated.
make[2]: *** [CMakeFiles/test_package.dir/test_package.cpp.o] Error 1
make[1]: *** [CMakeFiles/test_package.dir/all] Error 2
make: *** [all] Error 2
ERROR: libsrtp/2.3.0 (test package): Error in build() method, line 12
	cmake.build()
	ConanException: Error 2 while executing cmake --build '/home/conan/w/cci_PR-4119/2/7b5765e8-f102-44b9-b031-b45e2bc239b9/recipes/libsrtp/all/test_package/build/4fb75876010117c5f37a97ec9f6224585ca93236' '--' '-j3'