Gentoo's Bugzilla –
Attachment 591286 Details for
Bug 695906dev-util/android-tools-9.0.0_p3 with sys-libs/glibc-2.30-r1 - In file included from core/libcutils/threads.cpp:29: /usr/include/bits/unistd_ext.h:34:16: error: declaration of ‘__pid_t gettid() noexcept’ has a different exception specifier