https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88639
--- Comment #1 from kargl at gcc dot gnu.org --- (In reply to H.J. Lu from comment #0) > On a 12-core x86-64 machine with > > $ make -j 12 -k check RUNTESTFLAGS="--target_board='unix{-m32,}'" > > I got > > /export/gnu/import/git/sources/gcc/gcc/testsuite/gfortran.dg/ieee/ieee_10. > f90:5:7: Fatal Error: Can't open module file 'ieee_arithmetic.mod' for > reading at (1): No such file or directory^M > compilation terminated.^M > compiler exited with status 1 > FAIL: gfortran.dg/ieee/ieee_10.f90 -O0 (test for excess errors) > Excess errors: > /export/gnu/import/git/sources/gcc/gcc/testsuite/gfortran.dg/ieee/ieee_10. > f90:5:7: Fatal Error: Can't open module file 'ieee_arithmetic.mod' for > reading at (1): No such file or directory > compilation terminated. > > UNRESOLVED: gfortran.dg/ieee/ieee_10.f90 -O0 compilation failed to > produce executable I don't know what UNTESTFLAGS="--target_board='unix{-m32,}'" is intended to do, so cannot help you here. gmake -j6 check-fortran works fine.