diff -up lapack-3.9.0/INSTALL/make.inc.gfortran.fedora lapack-3.9.0/INSTALL/make.inc.gfortran --- lapack-3.9.0/INSTALL/make.inc.gfortran.fedora 2019-11-26 09:18:42.671256080 -0500 +++ lapack-3.9.0/INSTALL/make.inc.gfortran 2019-11-26 09:19:09.296715591 -0500 @@ -20,9 +20,9 @@ CFLAGS = -O3 # should not compile LAPACK with flags such as -ffpe-trap=overflow. # FC = gfortran -FFLAGS = -O2 -frecursive +FFLAGS = FFLAGS_DRV = $(FFLAGS) -FFLAGS_NOOPT = -O0 -frecursive +FFLAGS_NOOPT = # Define LDFLAGS to the desired linker options for your machine. #