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.

 #