https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87359
--- Comment #28 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- I am trying to install a clean whizard-2.6.4 on x86_64-apple-darwin17, Xcode 9.4.1, SIP disabled, gfortran 8.2, ocaml 4.03.0. I got the following errors with make check: FAIL: mci_vamp.run FAIL: integrations.run FAIL: simulations.run FAIL: integrations_history.run ============================================================================ Testsuite summary for WHIZARD 2.6.4 ============================================================================ # TOTAL: 125 # PASS: 113 # SKIP: 8 # XFAIL: 0 # FAIL: 4 # XPASS: 0 # ERROR: 0 FAIL: empty.run FAIL: fatal.run FAIL: structure_1.run ... FAIL: pythia6_1.run FAIL: pythia6_2.run FAIL: pythia6_3.run ... ========================================================== WHIZARD 2.6.4: tests/functional_tests/test-suite.log ========================================================== # TOTAL: 277 # PASS: 1 # SKIP: 38 # XFAIL: 2 # FAIL: 235 # XPASS: 1 # ERROR: 0 The later seems due to *** FATAL ERROR: Option '--logfile' needs a value Is this expected? What is the recommended way to change the fortran compiler?