Unfortunately android < api 21 (lollipop) doesn't have the sgidefs.h header,
the easiest way around this is to just use the preprocessor definitions from
gcc / clang.
Signed-off-by: James Cowgill <james410@cowgill.org.uk>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit a251aa1a350a1b9d3af07a7948efcc0add8e68ff)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>