Makefile_include.gfortran

# Fortran compiler executable
FC = gfortran

# Tell the compiler to accept C-preprocessor directives
CPPFLAGS = -cpp

# Basic flags such as where to write module files, and an instruction
#  to read Fortran unformatted data files as big endian 
BASICFLAGS = -J../mod -fconvert=big-endian

# OpenMP flag
OMPFLAG = -fopenmp

ifndef DEBUG
# --NORMAL CONFIGURATION--

# Optimization flags: note that experience with gfortran is that the
# code is faster with -O2 than with -O3. The "-march=native" optimizes
# for the architecture on which the compilation takes place, but this
# means the code might not run on older CPUs.
OPTFLAGS = -O2 -march=native

# Warning flags: all except those that warn about unused stuff
WARNFLAGS = -Wall -Wno-unused-label -Wno-unused-dummy-argument -Wno-unused-variable -Wimplicit-interface

# Debugging flags, such as "-g" to store debugging symbols, and
# instructions to abort if certain floating-point exceptions occur
DEBUGFLAGS = -g -ffpe-trap=invalid,zero,overflow

else
# --DEBUGGING CONFIGURATION--
OPTFLAGS = -O0
WARNFLAGS = -Wall
DEBUGFLAGS = -g -ffpe-trap=invalid,zero,overflow -fcheck=bounds -finit-real=snan

endif

ifdef GPROF
# Add gprof output
DEBUGFLAGS += -pg
endif