/**********************************
	   GFORTRAN COOK OPTIONS
 **********************************/

/*if the target platform for gfortran has not been set then figure it out*/
if [not [defined gfortran_arch]] then{
        if [in [os machine] x86 i386 i686] then{
                gfortran_arch = 32;
        }
	/* Not sure why Cygwin is returning i686 for the 32 bit version */
	/* Or, is it implying that the OS is 64 bit? */
        /* else if [in [os machine] x86_64 i686] then{ */
        else if [in [os machine] x86_64] then{
                gfortran_arch = 64;
        }
        else{
                function print ****************************************************;
                function print "INVALID GFORTRAN COMPILER CONFIGURATION";
                function print "Unknown machine type:" [os machine];
                function print ****************************************************;
                fail;
        }
}
else if [not [in [gfortran_arch] 32 64]] then{
        function print ****************************************************;
        function print "INVALID GFORTRAN COMPILER CONFIGURATION";
        function print "gfortran_arch="[gfortran_arch];
        function print "Valid values: 32|64";
        function print ****************************************************;
        fail;
}

function print "OS type:" [os];
function print "OS system:" [os system];
function print "OS release:" [os release];
function print "machine type:" [os machine];
function print "machine name:" [os name];
function print "gfortran_arch:" [gfortran_arch];

/**********************************
	    	  COMPILER
 **********************************/

fc			= gfortran;
fc_version 		= [collect_lines [fc] --version | head -1];
skip_mods		= "omp_lib"; /* skip omp module file in dependency checks, etc. */

/* Setup the correct default architecture configuration based upon the system the compiler is running on. */
if [ matches [gfortran_arch] 32 ] then {
	fc_flags	= "-m32";
}
else if [ matches [gfortran_arch] 64 ] then {
	fc_flags	= "-m64";
}
else {
	fc_flags	= "";
}

/* add preprocessing for all builds, turn off negative zero */
fc_flags		+= "-cpp -fno-sign-zero";

fc_compile_flag		= "-c ";
fc_out_flag		= "-o ";

fc_fixed		= "-ffixed-form";
fc_free			= "-ffree-form";

/* default mode flags */
fc_default		=;

/* debug flags */
fc_debug		= "-O0 -g -Wall -Wextra -fimplicit-none -fcheck=all -fbacktrace -fno-automatic -ffpe-trap=invalid,zero,overflow";
fc_debug		+= "-fno-unsafe-math-optimizations -frounding-math -fsignaling-nans -Wno-missing-include-dirs";
/*fc_debug		= "-Og -g -Wall -Wextra -fimplicit-none -fcheck=all -fbacktrace -fno-automatic -ffpe-trap=zero,overflow -fdefault-real-8";*/

/* optimization flags */
/*fc_optimize		= "-g -O3 -ffpe-trap=invalid,zero,overflow -fno-omit-frame-pointer";*/
fc_optimize		= "-O3";

/*release flags	*/
fc_release		= "-O3";

/* includes */
fc_inc_flag		= "-I ";
fc_inc_join		= [false];		/*if true, the includes are joined into a single argument with the separator */
fc_inc_sep		= ;

fc_mod_inc_flag	= "-I";			/* Cygwin version of gfortran can't have space separating this arg with option */
fc_mod_out_flag	= "-J";			/* Specifies path to put "mod" files separately from path to find "mod" files */

/* Case of the module names: lower, upper or mixed*/
fc_mod_case	= lower;

function print "fc_flags are: " [fc_flags];

/**********************************
	    	  LINKER
 **********************************/
ld			= [fc]; /*gcc;*/
ld_version		= [fc_version]; /*[collect_lines [ld] --version | head -1];*/

/* Setup the correct default architecture configuration based upon the system the compiler (linker) is running on. */
if [ matches [gfortran_arch] 32 ] then {
	ld_flags = "-m32";
}
else if [ matches [gfortran_arch] 64 ] then {
	ld_flags = "-m64";
}
else {
	ld_flags =;
}

/* #if [or [in [os system] Linux ] [in [os system] SunOS ] ]	*/
/*	ld_flags		+= "-static";			*/
/* #else							*/
/*	ld_flags		+= ; */	/* Windows PC's (Cygwin) won't link with the "-static" option for some reason - LEW */
/* #endif							*/
/* works fine in TDM-GCC-64 version of gcc/gfortran (it is not a cygwin install) */
ld_flags		+= "-static";


ld_out_flag		= "-o ";

/* debug flags */
ld_debug		=;

/* optimization flags */
ld_optimize		=;

/* includes */
ld_inc_flag		= [fc_inc_flag];
ld_inc_join		= [fc_inc_join];		/*if true, the includes are joined into a single argument with the separator */
ld_inc_sep		= [fc_inc_sep];

ld_lib_prefix	= "-Xlinker --start-group ";
ld_lib_suffix	= " -Xlinker --end-group";


function print "ld_flags are: " [ld_flags];


/**********************************
	    	  ARCHIVER
 **********************************/
ar			= ar;
ar_version	= [collect [ar] --version | head -1];

ar_flags	= "-cq ";



/**********************************
	    DEBUGGER
 **********************************/
fdb             = gdb;

fdb_flags       =;

fdb_exe_flag    = "--args ";
fdb_args_flag   =;