Compiler flags are used to provide to the compiler with information about library file locations, the level of optimization desired, and similar things. While a wide array of compiler share some flags in common it is not generally the case that you can pass flags intended for one compiler to another without problems. The flags used in the default BESTPRED makefile are described in Table 3.3.1 to assist users in porting from one platform to another.
3.3.1 Compiler Flags
Consult your compiler documentation for additional details about compiler flags.
Description of compiler flags in default makefile
Absoft Flag & Description & gfortran Flag
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