On 22 February 2017 at 01:08, Jonathan Wakely wrote: > On 22 February 2017 at 00:35, Jason Mancini wrote: >> Will gcc7 be abi compat w/gcc6? It *seems* like it is from testing a nightly tarball. >> Is there an official stance or tech detail? > > Almost entirely compatible, but see > https://gcc.gnu.org/gcc-7/porting_to.html#conversion-op-mangling And libfortran.so changed its SONAME.