On Mon, Apr 27, 2020 at 05:26:44PM -0700, Maciej Żenczykowski wrote: > I don't know all that much about it. Mostly it just seems to work. > > I'm quoting from: https://en.wikipedia.org/wiki/Bionic_(software) ;-) > > Bionic is basically a BSD licensed C library for use with Linux. > This differs from other BSD C libraries which require a BSD kernel, > and from the GNU C Library (glibc) which uses the GNU Lesser General > Public License. > > For the most part it's supposed to be drop-in compatible I think, > and the kernel headers (uapi) come from some recent version of Linux. > > The license and smaller size are AFAIK the main benefits. > > --- > > Got me curious and: > > I'm not actually sure what defines __ANDROID__, maybe __BIONIC__ would > be a better guard? > > That seems to be defined in bionic/libc/include/sys/cdefs.h > > https://android.googlesource.com/platform/bionic/+/master/libc/include/sys/cdefs.h#43 > > And the docs here: > > https://android.googlesource.com/platform/bionic/+/master/docs/defines.md > > do seem to suggest that __BIONIC__ is more equivalent to __GLIBC__ https://sourceforge.net/p/predef/wiki/Libraries/ This one also refers to the existing C library definitions which makes more sense to me too.
