Hans Aberg <haber...@telia.com> writes: > On 31 Jan 2012, at 19:04, Mark H Weaver wrote: > >>> The 'make check' gives this error, on OS X 10.7.2 using the compiler >>> i686-apple-darwin11-llvm-gcc-4.2 (GCC) 4.2.1 supplied by Xcode 4.2.1: >>> >>> PASS: test-asmobs >>> bad return from expression `(f-sum -1 2000 -30000 40000000000)': expected >>> 39999971999; got 39999972255 >> >> I may be stating the obvious here, but the -1, which is declared to be >> of type 'scm_t_int8' in the C function being called, is apparently being >> interpreted as 255. This suggests that whatever is handling its >> promotion to a full int is failing to extend its sign bit. I'm guessing >> that this is libffi's job. > > It is broken (libffi from GIT, the only that works on OX 10.7):
You need to install DejaGnu in order to run libffi's test suite. <http://www.gnu.org/software/dejagnu/> Thanks, Mark
