/* Unix f90 and f77 (g77) compiler variables */

/* flag variables defined here */
FC_FLAGS = ;			/* default compiler flags */
FC_OFLAGS = ;			/* default compiler optimization flags */
FC_DFLAGS = ;			/* default compiler debug flags */
FC_INCL_IFLAGS = ;		/* system include paths here (if required) */
FC_IFLAGS = ;			/* system include paths here (if required) */
LD_FLAGS = ;			/* default linker flags */
LD_IFLAGS = ;			/* default linker include paths */
LD_DFLAGS = ;			/* default linker debug flags */
LD_OFLAGS = ;			/* default linker optimization flags */
AR_FLAGS = ;

/* default suffixes (and prefixes) for file names */

#ifndef FC				/* can be set to f77 or g77 via env variable */
	FC = f90;			/* Fortran 90 compiler */ 
#endif
LD = [FC];				/* use compiler for linking */
AR = ar;				/* library archiver */
FC_INCL = c_incl;		/* program to determine include dependencies */

/* set default extensions and prefixes */
#ifndef F				/* allow for extension to be overidden (can be .f) */
	F = .for;			/* FORTRAN src files */
	F1 = .f95;			/* FORTRAN src files */
#endif
O = .o;					/* "object" files */

D = .d;					/* include "dependency" files */
E = ;					/* executable files */
A = .a;					/* library "archive" files */
LIB_PREFIX = lib;		/* default library prefix */

/* Note that -I syntax is same between c_incl program and f90 (f77/g77) compilers */
FC_INCL_IFLAGS += "-I"[INC];	/* project include paths here (if required) */
FC_IFLAGS += [FC_INCL_IFLAGS];	/* project include paths here (if required) */

/* these default options are specified for fast execution */
/* and robust compile time error detection */

#if [ matches f95 [FC] ]	/* gfortran specific f95 options */
	FC_FLAGS += -u;			/* report undeclared variables */
	FC_FLAGS += -U;			/* recognize upper and lower case in source files */
	FC_FLAGS += -C;			/* check array references for out of range subscripts */
	FC_FLAGS += -silent;	/* supress compiler messages */

#endif

LD_FLAGS += -Bstatic;	/* default to static linking of libraries */

/* !FC_FLAGS += -w4; */			/* suppress warnings ( 0-most, 4-most) */
/* FC_FLAGS += -fnonstop; */		/* do not stop on exception traps */

/* may be Sun f77 specific - haven't tested with f90 or g77 yet */
/* enable this for faster execution speed - other options available also */
FC_OFLAGS += -fast;			/* specify the default optimization (means -O4) */

/* may be Sun f77 specific - haven't tested with f90 or g77 yet */
/* enable some or all of these to assist in debugging - others also available */
FC_DFLAGS += -g;			/* compile for debugging (some optimization is disabled) */
/*
FC_DFLAGS += "-ftrap=common";	/* set common traps for help in debugging */
*/
FC_DFLAGS += "-ftrap=%all"; 	/* set all traps for help in debugging */
FC_DFLAGS += "-XlistE";		/* errors only reported */

AR_FLAGS += -c;				/* create new library */
AR_FLAGS += -q;				/* operate quietly */

LD_IFLAGS += [FC_IFLAGS];		/* not sure if required - is in old recipes */

if [DEBUG] then			/* include debug flags if DEBUG is set */
{
	FC_FLAGS += [FC_DFLAGS];
	LD_FLAGS += [LD_DFLAGS];
}
else if [OPT] then		/* include optimization flags if OPT is set */
{
	FC_FLAGS += [FC_OFLAGS];
	LD_FLAGS += [LD_OFLAGS];
}