CC = gcc
F77 = g77
OPTFLAGS = -O3 -mcpu=pentium3
CFLAGS = -std=gnu9x $(OPTFLAGS)
BLASLIB = -lblas2

# Alternate: using Intel's compiler
# CC = icc
# F77 = ifc
# OPTFLAGS = -O3 -fno-fnalias -tpp6 -unroll 10
# CFLAGS = -std=c99 $(OPTFLAGS)
# BLASLIB = -lblas2 /usr/lib/libg2c.so.0