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/* m2configure.cc provides an interface to some configuration values.
Copyright (C) 2022-2025 Free Software Foundation, Inc.
Contributed by Gaius Mulley <gaius@glam.ac.uk>.
This file is part of GNU Modula-2.
GNU Modula-2 is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GNU Modula-2 is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Modula-2; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "config.h"
#include "system.h"
#include "libiberty.h"
#include "gcc-consolidation.h"
#include "../gm2-lang.h"
#include "../m2-tree.h"
#include "m2convert.h"
/* Prototypes. */
#define m2configure_c
#include "m2assert.h"
#include "m2builtins.h"
#include "m2convert.h"
#include "m2decl.h"
#include "m2expr.h"
#include "m2options.h"
#include "m2configure.h"
#include "m2/gm2version.h"
#include "m2/gm2config.h"
#define CPPPROGRAM "cc1"
/* gen_gm2_libexec returns a string containing libexec /
DEFAULT_TARGET_MACHINE string / DEFAULT_TARGET_MACHINE. */
static char *
gen_gm2_libexec (const char *libexec)
{
int l = strlen (libexec) + 1 + strlen (DEFAULT_TARGET_MACHINE) + 1
+ strlen (DEFAULT_TARGET_VERSION) + 1;
char *s = (char *)xmalloc (l);
char dir_sep[2];
dir_sep[0] = DIR_SEPARATOR;
dir_sep[1] = (char)0;
strcpy (s, libexec);
strcat (s, dir_sep);
strcat (s, DEFAULT_TARGET_MACHINE);
strcat (s, dir_sep);
strcat (s, DEFAULT_TARGET_VERSION);
return s;
}
/* FullPathCPP returns the fullpath and program name to cpp. */
char *
m2configure_FullPathCPP (void)
{
if (M2Options_GetCpp ())
{
char *path = (char *) M2Options_GetB ();
if (path == NULL)
path = gen_gm2_libexec (STANDARD_LIBEXEC_PREFIX);
if (strcmp (path, "") == 0)
return xstrdup (CPPPROGRAM);
char *full = (char *)xmalloc (strlen (path) + 1 + strlen (CPPPROGRAM) + 1);
strcpy (full, path);
char *sep = (char *)alloca (2);
sep[0] = DIR_SEPARATOR;
sep[1] = (char)0;
strcat (full, sep);
strcat (full, CPPPROGRAM);
return full;
}
return NULL;
}
/* Return the value of TARGET_IEEEQUAD_DEFAULT. If it is undefined
-1 is returned. A value of 0 indicates the default target long
double uses the IBM 128 representation. A value of 1 indicates
the default target long double (LONGREAL) is __float128. */
int
m2configure_TargetIEEEQuadDefault (void)
{
#ifdef TARGET_IEEEQUAD_DEFAULT
return TARGET_IEEEQUAD_DEFAULT;
#else
return -1;
#endif
}
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