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

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];

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

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

/* 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";
fc_free		+= "-ffree-line-length-none";  /* Set column after which characters are ignored in typical free-form lines in the source file. */
                                                       /* The default value is 132. n may be "none", meaning that the entire line is meaningful.       */
                                                       /* -ffree-line-length-0 means the same thing as -ffree-line-length-none.                        */
/* default mode flags */
fc_default		=;

/* debug flags */
fc_debug		= "-O0 -g -Wall -Wextra -fimplicit-none -fcheck=all,no-recursion -fbacktrace -ffpe-trap=invalid,zero,overflow";
fc_debug		+= "-fno-unsafe-math-optimizations -frounding-math -fsignaling-nans -Wno-missing-include-dirs -finit-real=snan";
/*fc_debug		= "-Og -g -Wall -Wextra -fimplicit-none -fcheck=all -fbacktrace -ffpe-trap=zero,overflow -fdefault-real-8";*/

/* OpenMP parallelization flags */
fc_omp		="-fopenmp -O3 -flto";

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

/*release flags	*/
fc_release		= [fc_optimize];

/* 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];*/

ld_flags		=;

ld_out_flag		= "-o ";

/* debug flags */
ld_debug		= "-static";

/* omp flags */
/*ld_omp			= "-fopenmp";*/
if [is_windows] then {
	ld_omp			= "-fopenmp -Wl,--no-whole-archive";
}
else {
	ld_omp			= "-fopenmp -static -Wl,--whole-archive -lpthread -Wl,--no-whole-archive";
}

/* optimization flags */
ld_optimize		= "-static";

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

ar_flags	= "-cq ";



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

fdb_flags       =;

fdb_exe_flag    = "--args ";
fdb_args_flag   =;