CFLAGS = -g -O3 -Wall -pedantic
C17FLAGS = -g -O3 -Wall -pedantic -Wno-strict-prototypes
C23FLAGS = -g -O3 -Wall -pedantic -Wno-strict-prototypes
CXXFLAGS = -g -O3 -Wall -pedantic
CXX11FLAGS = -g -O3 -Wall -pedantic -Wno-error=enum-constexpr-conversion
CXX14FLAGS = -g -O3 -Wall -pedantic
CXX17FLAGS = -g -O3 -Wall -pedantic
CXX20FLAGS = -g -O3 -Wall -pedantic
FFLAGS = -g -O2
FCFLAGS = -g -O2

## Commented out 2019-10-31.
## ## Fortran OpenMP with gfortran 9 often does not work with clang (8 or 9):
## SHLIB_OPENMP_FFLAGS=