/* Specific flags and argument handling of the Fortran front-end.
- Copyright (C) 1997, 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free
- Software Foundation, Inc.
+ Copyright (C) 1997, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
+ 2007, 2008, 2009, 2010
+ Free Software Foundation, Inc.
This file is part of GCC.
GNU CC 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 2, or (at your option)
+the Free Software Foundation; either version 3, or (at your option)
any later version.
GNU CC is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
+
/* This file is copied more or less verbatim from g77. */
/* This file contains a filter for the main `gcc' driver, which is
replicated for the `gfortran' driver by adding this filter. The purpose
#define MATH_LIBRARY "-lm"
#endif
-#ifndef FORTRAN_INIT
-#define FORTRAN_INIT "-lgfortranbegin"
-#endif
-
#ifndef FORTRAN_LIBRARY
#define FORTRAN_LIBRARY "-lgfortran"
#endif
+#ifdef HAVE_LD_STATIC_DYNAMIC
+#define ADD_ARG_LIBGFORTRAN(arg) \
+ { \
+ if (static_lib && !static_linking) \
+ append_arg ("-Wl,-Bstatic"); \
+ append_arg (arg); \
+ if (static_lib && !static_linking) \
+ append_arg ("-Wl,-Bdynamic"); \
+ }
+#else
+#define ADD_ARG_LIBGFORTRAN(arg) append_arg (arg);
+#endif
+
+
/* Options this driver needs to recognize, not just know how to
skip over. */
typedef enum
-nodefaultlibs. */
OPTION_o, /* Aka --output. */
OPTION_S, /* Aka --assemble. */
+ OPTION_static, /* -static. */
+ OPTION_static_libgfortran, /* -static-libgfortran. */
OPTION_syntax_only, /* -fsyntax-only. */
OPTION_v, /* Aka --verbose. */
OPTION_version, /* --version. */
opt = OPTION_v, skip = 0;
else if (text[1] == 'x')
opt = OPTION_x, arg = text + 2;
+ else if (text[1] == 'J')
+ ;
else
{
- if ((skip = WORD_SWITCH_TAKES_ARG (text + 1)) != 0) /* See gcc.c. */
+ if ((skip = WORD_SWITCH_TAKES_ARG (text + 1)) != 0) /* See gcc.c. */
;
else if (!strcmp (text, "-fhelp")) /* Really --help!! */
opt = OPTION_help;
opt = OPTION_nostdlib;
else if (!strcmp (text, "-fsyntax-only"))
opt = OPTION_syntax_only;
- else if (!strcmp (text, "-dumpversion"))
- opt = OPTION_version;
+ else if (!strcmp (text, "-static-libgfortran"))
+ opt = OPTION_static_libgfortran;
+ else if (!strcmp (text, "-static"))
+ opt = OPTION_static;
else if (!strcmp (text, "-fversion")) /* Really --version!! */
opt = OPTION_version;
else if (!strcmp (text, "-Xlinker") || !strcmp (text, "-specs"))
2 => last two args were -l<library> -lm. */
int saw_library = 0;
- /* 0 => initial/reset state
- 1 => FORTRAN_INIT linked in */
- int use_init = 0;
-
/* By default, we throw on the math library if we have one. */
int need_math = (MATH_LIBRARY[0] != '\0');
+#ifdef HAVE_LD_STATIC_DYNAMIC
+ /* Whether we should link a static libgfortran. */
+ int static_lib = 0;
+
+ /* Whether we need to link statically. */
+ int static_linking = 0;
+#endif
+
/* The number of input and output files in the incoming arg list. */
int n_infiles = 0;
int n_outfiles = 0;
g77_xargc = argc;
g77_xargv = argv;
g77_newargc = 0;
- g77_newargv = (const char **) argv;
+ g77_newargv = CONST_CAST2 (const char **, const char *const *, argv);
/* First pass through arglist.
library = 0;
break;
+ case OPTION_static_libgfortran:
+#ifdef HAVE_LD_STATIC_DYNAMIC
+ static_lib = 1;
+#endif
+ break;
+
+ case OPTION_static:
+#ifdef HAVE_LD_STATIC_DYNAMIC
+ static_linking = 1;
+#endif
+ /* Fall through, count OPTION_static as an item included in
+ the rewritten command line. */
+
case OPTION_l:
++n_infiles;
break;
break;
case OPTION_version:
- printf ("GNU Fortran 95 (GCC) %s\n", version_string);
- printf ("Copyright %s 2005 Free Software Foundation, Inc.\n\n",
- _("(C)"));
+ printf ("GNU Fortran %s%s\n", pkgversion_string, version_string);
+ printf ("Copyright %s 2010 Free Software Foundation, Inc.\n\n",
+ _("(C)"));
printf (_("GNU Fortran comes with NO WARRANTY, to the extent permitted by law.\n\
You may redistribute copies of GNU Fortran\n\
under the terms of the GNU General Public License.\n\
}
/* This is the one place we check for missing arguments in the
- program. */
+ program. */
if (i + skip < argc)
i += skip;
}
if ((argv[i][0] == '-') && (argv[i][1] == 'M'))
- {
- char *p;
-
- if (argv[i][2] == '\0')
- {
- p = xmalloc (strlen (argv[i + 1]) + 2);
- p[0] = '-';
- p[1] = 'J';
- strcpy (&p[2], argv[i + 1]);
- i++;
- }
- else
- {
- p = xmalloc (strlen (argv[i]) + 1);
- strcpy (p, argv[i]);
- }
- append_arg (p);
- continue;
- }
+ {
+ char *p;
+
+ fprintf (stderr, _("Warning: Using -M <directory> is deprecated, "
+ "use -J instead\n"));
+ if (argv[i][2] == '\0')
+ {
+ if (i+1 < argc)
+ {
+ p = XNEWVEC (char, strlen (argv[i + 1]) + 3);
+ p[0] = '-';
+ p[1] = 'J';
+ strcpy (&p[2], argv[i + 1]);
+ i++;
+ }
+ else
+ fatal ("argument to '%s' missing", argv[i]);
+ }
+ else
+ {
+ p = XNEWVEC (char, strlen (argv[i]) + 1);
+ p[0] = '-';
+ p[1] = 'J';
+ strcpy (&p[2], argv[i] + 2);
+ }
+ append_arg (p);
+ continue;
+ }
if ((argv[i][0] == '-') && (argv[i][1] != 'l'))
{
saw_library = 2; /* -l<library> -lm. */
else
{
- if (0 == use_init)
- {
- append_arg (FORTRAN_INIT);
- use_init = 1;
- }
- append_arg (FORTRAN_LIBRARY);
+ ADD_ARG_LIBGFORTRAN (FORTRAN_LIBRARY);
}
}
else if (strcmp (argv[i], FORTRAN_LIBRARY) == 0)
- saw_library = 1; /* -l<library>. */
+ {
+ saw_library = 1; /* -l<library>. */
+ ADD_ARG_LIBGFORTRAN (argv[i]);
+ continue;
+ }
else
{ /* Other library, or filename. */
if (saw_library == 1 && need_math)
switch (saw_library)
{
case 0:
- if (0 == use_init)
- {
- append_arg (FORTRAN_INIT);
- use_init = 1;
- }
- append_arg (library);
+ ADD_ARG_LIBGFORTRAN (library);
+ /* Fall through. */
+
case 1:
if (need_math)
append_arg (MATH_LIBRARY);
*in_argv = g77_newargv;
}
+
/* Called before linking. Returns 0 on success and -1 on failure. */
int
lang_specific_pre_link (void) /* Not used for F77. */
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