On 08/20/2015 02:39 AM, Vincent Lefevre wrote: > On 2015-08-19 17:36:47 +0200, Matthias Klose wrote: >> On 08/19/2015 10:48 AM, Vincent Lefevre wrote: >>> extern __inline__ fn1() { fn2(); } >>> >>> main() {} >> >> not a bug. if you want to keep gnu89 inline semantics, build using >> -fgnu89-inline. > > Well, I haven't chosen the gnu89 inline semantics. This comes from > gmp.h (GMP 4.1). So, that's actually a bug in GMP, which uses this > semantics unconditionally with all GCC versions. Fortunately, > GMP 4.1 is very old and this has been improved in later GMP > versions.
see https://gcc.gnu.org/gcc-5/porting_to.html __attribute__ ((gnu_inline)) should be your fix.