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

    CMAKE_EXPORT_NO_PACKAGE_REGISTRY


make[3]: warning: jobserver unavailable: using -j1.  Add '+' to parent make rule.
In file included from /home/conan/w/cci_PR-3658/.conan/data/openal/1.20.1/_/_/build/11562e2e3a36b11b5a36f7331b60c756183c51d6/source_subfolder/common/strutils.cpp:4:
In file included from /home/conan/w/cci_PR-3658/.conan/data/openal/1.20.1/_/_/build/11562e2e3a36b11b5a36f7331b60c756183c51d6/source_subfolder/common/strutils.h:6:
/home/conan/w/cci_PR-3658/.conan/data/openal/1.20.1/_/_/build/11562e2e3a36b11b5a36f7331b60c756183c51d6/source_subfolder/common/aloptional.h:38:5: error: exception specification of explicitly defaulted default constructor does not match the calculated one
    optional() noexcept = default;
    ^
/home/conan/w/cci_PR-3658/.conan/data/openal/1.20.1/_/_/build/11562e2e3a36b11b5a36f7331b60c756183c51d6/source_subfolder/common/strutils.cpp:46:27: note: in instantiation of template class 'al::optional<std::basic_string<char> >' requested here
al::optional<std::string> getenv(const char *envname)
                          ^
1 error generated.
make[2]: *** [source_subfolder/CMakeFiles/OpenAL.dir/common/strutils.cpp.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [source_subfolder/CMakeFiles/OpenAL.dir/all] Error 2
make: *** [all] Error 2
openal/1.20.1: WARN: Build folder is dirty, removing it: /home/conan/w/cci_PR-3658/.conan/data/openal/1.20.1/_/_/build/11562e2e3a36b11b5a36f7331b60c756183c51d6
openal/1.20.1: ERROR: Package '11562e2e3a36b11b5a36f7331b60c756183c51d6' build failed
openal/1.20.1: WARN: Build folder /home/conan/w/cci_PR-3658/.conan/data/openal/1.20.1/_/_/build/11562e2e3a36b11b5a36f7331b60c756183c51d6
ERROR: openal/1.20.1: Error in build() method, line 89
	cmake.build()
	ConanException: Error 2 while executing cmake --build '/home/conan/w/cci_PR-3658/.conan/data/openal/1.20.1/_/_/build/11562e2e3a36b11b5a36f7331b60c756183c51d6/build_subfolder' '--' '-j3'