/* Compiler driver program that can handle many languages.
Copyright (C) 1987, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
- 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
+ 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
Free Software Foundation, Inc.
This file is part of GCC.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
-<http://www.gnu.org/licenses/>.
-
-This paragraph is here to try to keep Sun CC from dying.
-The number of chars here seems crucial!!!! */
+<http://www.gnu.org/licenses/>. */
/* This program is the user interface to the C compiler and possibly to
other compilers. It is used because compilation is a complicated procedure
&& defined(HAVE_AS_GDWARF2_DEBUG_FLAG) && defined(HAVE_AS_GSTABS_DEBUG_FLAG)
# define ASM_DEBUG_SPEC \
(PREFERRED_DEBUGGING_TYPE == DBX_DEBUG \
- ? "%{gdwarf-2*:--gdwarf2}%{!gdwarf-2*:%{g*:--gstabs}}" ASM_MAP \
- : "%{gstabs*:--gstabs}%{!gstabs*:%{g*:--gdwarf2}}" ASM_MAP)
+ ? "%{!g0:%{gdwarf-2*:--gdwarf2}%{!gdwarf-2*:%{g*:--gstabs}}}" ASM_MAP \
+ : "%{!g0:%{gstabs*:--gstabs}%{!gstabs*:%{g*:--gdwarf2}}}" ASM_MAP)
# else
# if defined(DBX_DEBUGGING_INFO) && defined(HAVE_AS_GSTABS_DEBUG_FLAG)
-# define ASM_DEBUG_SPEC "%{g*:--gstabs}" ASM_MAP
+# define ASM_DEBUG_SPEC "%{g*:%{!g0:--gstabs}}" ASM_MAP
# endif
# if defined(DWARF2_DEBUGGING_INFO) && defined(HAVE_AS_GDWARF2_DEBUG_FLAG)
-# define ASM_DEBUG_SPEC "%{g*:--gdwarf2}" ASM_MAP
+# define ASM_DEBUG_SPEC "%{g*:%{!g0:--gdwarf2}}" ASM_MAP
# endif
# endif
#endif
output will be used by another program. */
static const char *cpp_debug_options = "%{d*}";
-/* NB: This is shared amongst all front-ends. */
+/* NB: This is shared amongst all front-ends, except for Ada. */
static const char *cc1_options =
"%{pg:%{fomit-frame-pointer:%e-pg and -fomit-frame-pointer are incompatible}}\
%1 %{!Q:-quiet} -dumpbase %B %{d*} %{m*} %{a*}\
fputs (_(" Display specific types of command line options\n"), stdout);
if (! verbose_flag)
fputs (_(" (Use '-v --help' to display command line options of sub-processes)\n"), stdout);
+ fputs (_(" --version Display compiler version information\n"), stdout);
fputs (_(" -dumpspecs Display all of the built in spec strings\n"), stdout);
fputs (_(" -dumpversion Display the version of the compiler\n"), stdout);
fputs (_(" -dumpmachine Display the compiler's target processor\n"), stdout);
Use heuristic that all configuration names must have at least
one dash '-'. This allows us to pass options starting with -b. */
if (argc > 1 && argv[1][0] == '-'
- && (argv[1][1] == 'V' ||
- ((argv[1][1] == 'b') && (NULL != strchr(argv[1] + 2,'-')))))
+ && (argv[1][1] == 'V'
+ || (argv[1][1] == 'b'
+ && (argv[1][2] == '\0'
+ || NULL != strchr (argv[1] + 2, '-')))))
{
const char *new_version = DEFAULT_TARGET_VERSION;
const char *new_machine = DEFAULT_TARGET_MACHINE;
char **new_argv;
char *new_argv0;
int baselen;
+ int status = 0;
+ int err = 0;
+ const char *errmsg;
while (argc > 1 && argv[1][0] == '-'
- && (argv[1][1] == 'V' ||
- ((argv[1][1] == 'b') && ( NULL != strchr(argv[1] + 2,'-')))))
+ && (argv[1][1] == 'V'
+ || (argv[1][1] == 'b'
+ && (argv[1][2] == '\0'
+ || NULL != strchr (argv[1] + 2, '-')))))
{
char opt = argv[1][1];
const char *arg;
new_argv = XDUPVEC (char *, argv, argc + 1);
new_argv[0] = new_argv0;
- execvp (new_argv0, new_argv);
- fatal ("couldn't run '%s': %s", new_argv0, xstrerror (errno));
+ errmsg = pex_one (PEX_SEARCH, new_argv0, new_argv, progname, NULL,
+ NULL, &status, &err);
+
+ if (errmsg)
+ {
+ if (err == 0)
+ fatal ("couldn't run '%s': %s", new_argv0, errmsg);
+ else
+ fatal ("couldn't run '%s': %s: %s", new_argv0, errmsg,
+ xstrerror (err));
+ }
+ exit (status);
}
/* Set up the default search paths. If there is no GCC_EXEC_PREFIX,
/* translate_options () has turned --version into -fversion. */
printf (_("%s %s%s\n"), programname, pkgversion_string,
version_string);
- printf ("Copyright %s 2008 Free Software Foundation, Inc.\n",
+ printf ("Copyright %s 2009 Free Software Foundation, Inc.\n",
_("(C)"));
fputs (_("This is free software; see the source for copying conditions. There is NO\n\
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n"),
switch (c)
{
case 'b':
- if (NULL == strchr(argv[i] + 2, '-'))
+ if (p[1] && NULL == strchr (argv[i] + 2, '-'))
goto normal_switch;
/* Fall through. */
/* We do not exit here. Instead we have created a fake input file
called 'help-dummy' which needs to be compiled, and we pass this
- on the various sub-processes, along with the --help switch. */
+ on the various sub-processes, along with the --help switch.
+ Ensure their output appears after ours. */
+ fputc ('\n', stdout);
+ fflush (stdout);
}
if (verbose_flag)
if (argc != 1)
abort ();
- file = find_a_file (&startfile_prefixes, argv[0], R_OK, 0);
+ file = find_a_file (&startfile_prefixes, argv[0], R_OK, true);
read_specs (file ? file : argv[0], FALSE);
return NULL;
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