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-4119/2/1e77831a-2ec9-4247-88e8-2c83118364b3/recipes/libsrtp/all/test_package/test_package.cpp: In function 'int main()':
/home/conan/w/cci_PR-4119/2/1e77831a-2ec9-4247-88e8-2c83118364b3/recipes/libsrtp/all/test_package/test_package.cpp:28:16: error: 'nullptr' was not declared in this scope
  policy.next = nullptr;
                ^
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-4119/2/1e77831a-2ec9-4247-88e8-2c83118364b3/recipes/libsrtp/all/test_package/build/326cb20c6d55378aef29e35b2c0c8fdc1c37190d' '--' '-j3'