/* 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 Free Software Foundation,
- Inc.
+ 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
+ Free Software Foundation, Inc.
This file is part of GCC.
GCC 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) any later
+Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
for more details.
You should have received a copy of the GNU General Public License
-along with GCC; 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 paragraph is here to try to keep Sun CC from dying.
The number of chars here seems crucial!!!! */
/* Flag set by cppspec.c to 1. */
int is_cpp_driver;
+/* Flag set to nonzero if an @file argument has been supplied to gcc. */
+static bool at_file_supplied;
+
/* Flag saying to pass the greatest exit code returned by a sub-process
to the calling program. */
static int pass_exit_codes;
static int print_help_list;
+/* Flag saying to print the sysroot suffix used for searching for
+ headers. */
+
+static int print_sysroot_headers_suffix;
+
/* Flag indicating whether we should print the command and arguments */
static int verbose_flag;
shell scripts to capture the driver-generated command line. */
static int verbose_only_flag;
-/* Flag indicating to print target specific command line options. */
+/* Flag indicating how to print command line options of sub-processes. */
-static int target_help_flag;
+static int print_subprocess_help;
/* Flag indicating whether we should report subprocess execution times
(if this is supported by the system - see pexecute.c). */
/* Nonzero if cross-compiling.
When -b is used, the value comes from the `specs' file. */
-#ifdef CROSS_COMPILE
+#ifdef CROSS_DIRECTORY_STRUCTURE
static const char *cross_compile = "1";
#else
static const char *cross_compile = "0";
static const char *convert_filename (const char *, int, int);
#endif
+static const char *getenv_spec_function (int, const char **);
static const char *if_exists_spec_function (int, const char **);
static const char *if_exists_else_spec_function (int, const char **);
static const char *replace_outfile_spec_function (int, const char **);
static const char *version_compare_spec_function (int, const char **);
static const char *include_spec_function (int, const char **);
+static const char *print_asm_header_spec_function (int, const char **);
\f
/* The Specs Language
part of that switch that matched the '*'.
%{.S:X} substitutes X, if processing a file with suffix S.
%{!.S:X} substitutes X, if NOT processing a file with suffix S.
-
+ %{,S:X} substitutes X, if processing a file which will use spec S.
+ %{!,S:X} substitutes X, if NOT processing a file which will use spec S.
+
%{S|T:X} substitutes X if either -S or -T was given to CC. This may be
- combined with !, ., and * as above binding stronger than the OR.
+ combined with '!', '.', ',', and '*' as above binding stronger
+ than the OR.
If %* appears in X, all of the alternatives must be starred, and
only the first matching alternative is substituted.
%{S:X; if S was given to CC, substitutes X;
T:Y; else if T was given to CC, substitutes Y;
:D} else substitutes D. There can be as many clauses as you need.
- This may be combined with ., !, |, and * as above.
+ This may be combined with '.', '!', ',', '|', and '*' as above.
%(Spec) processes a specification defined in a specs file as *Spec:
%[Spec] as above, but put __ around -D arguments
#endif
#endif
-#ifndef LINK_GCC_MATH_SPEC
-#define LINK_GCC_MATH_SPEC ""
-#endif
-
#ifndef LINK_PIE_SPEC
#ifdef HAVE_LD_PIE
#define LINK_PIE_SPEC "%{pie:-pie} "
%{static:} %{L*} %(mfwrap) %(link_libgcc) %o\
%{fopenmp:%:include(libgomp.spec)%(link_gomp)} %(mflib)\
%{fprofile-arcs|fprofile-generate|coverage:-lgcov}\
- %{!nostdlib:%{!nodefaultlibs:%(link_gcc_math) %(link_ssp) %(link_gcc_c_sequence)}}\
+ %{!nostdlib:%{!nodefaultlibs:%(link_ssp) %(link_gcc_c_sequence)}}\
%{!A:%{!nostdlib:%{!nostartfiles:%E}}} %{T*} }}}}}}"
#endif
static const char *cc1plus_spec = CC1PLUS_SPEC;
static const char *link_gcc_c_sequence_spec = LINK_GCC_C_SEQUENCE_SPEC;
static const char *link_ssp_spec = LINK_SSP_SPEC;
-static const char *link_gcc_math_spec = LINK_GCC_MATH_SPEC;
static const char *asm_spec = ASM_SPEC;
static const char *asm_final_spec = ASM_FINAL_SPEC;
static const char *link_spec = LINK_SPEC;
%{MD:-MD %{!o:%b.d}%{o*:%.d%*}}\
%{MMD:-MMD %{!o:%b.d}%{o*:%.d%*}}\
%{M} %{MM} %{MF*} %{MG} %{MP} %{MQ*} %{MT*}\
- %{!E:%{!M:%{!MM:%{MD|MMD:%{o*:-MQ %*}}}}}\
- %{remap} %{g3:-dD} %{H} %C %{D*&U*&A*} %{i*} %Z %i\
+ %{!E:%{!M:%{!MM:%{!MT:%{!MQ:%{MD|MMD:%{o*:-MQ %*}}}}}}}\
+ %{remap} %{g3|ggdb3|gstabs3|gcoff3|gxcoff3|gvms3:-dD}\
+ %{H} %C %{D*&U*&A*} %{i*} %Z %i\
%{fmudflap:-D_MUDFLAP -include mf-runtime.h}\
%{fmudflapth:-D_MUDFLAP -D_MUDFLAPTH -include mf-runtime.h}\
%{E|M|MM:%W{o*}}";
%{v:-version} %{pg:-p} %{p} %{f*} %{undef}\
%{Qn:-fno-ident} %{--help:--help}\
%{--target-help:--target-help}\
+ %{--help=*:--help=%(VALUE)}\
%{!fsyntax-only:%{S:%W{o*}%{!o*:-o %b.s}}}\
%{fsyntax-only:-o %j} %{-param*}\
%{fmudflap|fmudflapth:-fno-builtin -fno-merge-constants}\
%{coverage:-fprofile-arcs -ftest-coverage}";
static const char *asm_options =
-"%a %Y %{c:%W{o*}%{!o*:-o %w%b%O}}%{!c:-o %d%w%u%O}";
+"%{ftarget-help:%:print-asm-header()} \
+%a %Y %{c:%W{o*}%{!o*:-o %w%b%O}}%{!c:-o %d%w%u%O}";
static const char *invoke_as =
#ifdef AS_NEEDS_DASH_FOR_PIPED_INPUT
{"--print-multi-directory", "-print-multi-directory", 0},
{"--print-multi-os-directory", "-print-multi-os-directory", 0},
{"--print-prog-name", "-print-prog-name=", "aj"},
+ {"--print-sysroot-headers-suffix", "-print-sysroot-headers-suffix", 0},
{"--profile", "-p", 0},
{"--profile-blocks", "-a", 0},
{"--quiet", "-q", 0},
#define STANDARD_STARTFILE_PREFIX_2 "/usr/lib/"
#endif
-#ifdef CROSS_COMPILE /* Don't use these prefixes for a cross compiler. */
+#ifdef CROSS_DIRECTORY_STRUCTURE /* Don't use these prefixes for a cross compiler. */
#undef MD_EXEC_PREFIX
#undef MD_STARTFILE_PREFIX
#undef MD_STARTFILE_PREFIX_1
#define MD_STARTFILE_PREFIX_1 ""
#endif
+/* These directories are locations set at configure-time based on the
+ --prefix option provided to configure. Their initializers are
+ defined in Makefile.in. These paths are not *directly* used when
+ gcc_exec_prefix is set because, in that case, we know where the
+ compiler has been installed, and use paths relative to that
+ location instead. */
static const char *const standard_exec_prefix = STANDARD_EXEC_PREFIX;
+static const char *const standard_libexec_prefix = STANDARD_LIBEXEC_PREFIX;
+static const char *const standard_bindir_prefix = STANDARD_BINDIR_PREFIX;
+static const char *const standard_startfile_prefix = STANDARD_STARTFILE_PREFIX;
+
+/* For native compilers, these are well-known paths containing
+ components that may be provided by the system. For cross
+ compilers, these paths are not used. */
static const char *const standard_exec_prefix_1 = "/usr/libexec/gcc/";
static const char *const standard_exec_prefix_2 = "/usr/lib/gcc/";
static const char *md_exec_prefix = MD_EXEC_PREFIX;
-
static const char *md_startfile_prefix = MD_STARTFILE_PREFIX;
static const char *md_startfile_prefix_1 = MD_STARTFILE_PREFIX_1;
-static const char *const standard_startfile_prefix = STANDARD_STARTFILE_PREFIX;
static const char *const standard_startfile_prefix_1
= STANDARD_STARTFILE_PREFIX_1;
static const char *const standard_startfile_prefix_2
= STANDARD_STARTFILE_PREFIX_2;
+/* A relative path to be used in finding the location of tools
+ relative to the driver. */
static const char *const tooldir_base_prefix = TOOLDIR_BASE_PREFIX;
-static const char *tooldir_prefix;
-
-static const char *const standard_bindir_prefix = STANDARD_BINDIR_PREFIX;
-
-static const char *standard_libexec_prefix = STANDARD_LIBEXEC_PREFIX;
/* Subdirectory to use for locating libraries. Set by
set_multilib_dir based on the compilation options. */
INIT_STATIC_SPEC ("cc1plus", &cc1plus_spec),
INIT_STATIC_SPEC ("link_gcc_c_sequence", &link_gcc_c_sequence_spec),
INIT_STATIC_SPEC ("link_ssp", &link_ssp_spec),
- INIT_STATIC_SPEC ("link_gcc_math", &link_gcc_math_spec),
INIT_STATIC_SPEC ("endfile", &endfile_spec),
INIT_STATIC_SPEC ("link", &link_spec),
INIT_STATIC_SPEC ("lib", &lib_spec),
static const struct spec_function static_spec_functions[] =
{
+ { "getenv", getenv_spec_function },
{ "if-exists", if_exists_spec_function },
{ "if-exists-else", if_exists_else_spec_function },
{ "replace-outfile", replace_outfile_spec_function },
{ "version-compare", version_compare_spec_function },
{ "include", include_spec_function },
+ { "print-asm-header", print_asm_header_spec_function },
#ifdef EXTRA_SPEC_FUNCTIONS
EXTRA_SPEC_FUNCTIONS
#endif
}
/* Same as add_prefix, but prepending target_system_root to prefix. */
+/* The target_system_root prefix has been relocated by gcc_exec_prefix. */
static void
add_sysrooted_prefix (struct path_prefix *pprefix, const char *prefix,
const char *component,
fputs (_(" -pass-exit-codes Exit with highest error code from a phase\n"), stdout);
fputs (_(" --help Display this information\n"), stdout);
fputs (_(" --target-help Display target specific command line options\n"), stdout);
+ fputs (_(" --help={target|optimizers|warnings|undocumented|params}[,{[^]joined|[^]separate}]\n"), stdout);
+ 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 (_(" -dumpspecs Display all of the built in spec strings\n"), stdout);
-print-multi-lib Display the mapping between command line options and\n\
multiple library search directories\n"), stdout);
fputs (_(" -print-multi-os-directory Display the relative path to OS libraries\n"), stdout);
+ fputs (_(" -print-sysroot-headers-suffix Display the sysroot suffix used to find headers\n"), stdout);
fputs (_(" -Wa,<options> Pass comma-separated <options> on to the assembler\n"), stdout);
fputs (_(" -Wp,<options> Pass comma-separated <options> on to the preprocessor\n"), stdout);
fputs (_(" -Wl,<options> Pass comma-separated <options> on to the linker\n"), stdout);
fputs (_(" -std=<standard> Assume that the input sources are for <standard>\n"), stdout);
fputs (_("\
--sysroot=<directory> Use <directory> as the root directory for headers\n\
- for headers and libraries\n"), stdout);
+ and libraries\n"), stdout);
fputs (_(" -B <directory> Add <directory> to the compiler's search paths\n"), stdout);
fputs (_(" -b <machine> Run gcc for target <machine>, if installed\n"), stdout);
fputs (_(" -V <version> Run gcc version number <version>, if installed\n"), stdout);
int is_modify_target_name;
unsigned int j;
#endif
+ const char *tooldir_prefix;
GET_ENVIRONMENT (gcc_exec_prefix, "GCC_EXEC_PREFIX");
gcc_libexec_prefix = make_relative_prefix (tmp_prefix,
standard_exec_prefix,
standard_libexec_prefix);
+
+ /* The path is unrelocated, so fallback to the original setting. */
+ if (!gcc_libexec_prefix)
+ gcc_libexec_prefix = standard_libexec_prefix;
+
free (tmp_prefix);
}
#else
#endif
+ /* From this point onward, gcc_exec_prefix is non-null if the toolchain
+ is relocated. The toolchain was either relocated using GCC_EXEC_PREFIX
+ or an automatically created GCC_EXEC_PREFIX from argv[0]. */
if (gcc_exec_prefix)
{
{
/* translate_options () has turned --version into -fversion. */
printf (_("%s (GCC) %s\n"), programname, version_string);
- printf ("Copyright %s 2006 Free Software Foundation, Inc.\n",
+ printf ("Copyright %s 2007 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"),
add_assembler_option ("--help", 6);
add_linker_option ("--help", 6);
}
+ else if (strncmp (argv[i], "-fhelp=", 7) == 0)
+ {
+ /* translate_options () has turned --help into -fhelp. */
+ print_subprocess_help = 2;
+
+ /* We will be passing a dummy file on to the sub-processes. */
+ n_infiles++;
+ n_switches++;
+ }
else if (strcmp (argv[i], "-ftarget-help") == 0)
{
/* translate_options() has turned --target-help into -ftarget-help. */
- target_help_flag = 1;
+ print_subprocess_help = 1;
/* We will be passing a dummy file on to the sub-processes. */
n_infiles++;
print_multi_directory = 1;
else if (! strcmp (argv[i], "-print-multi-os-directory"))
print_multi_os_directory = 1;
+ else if (! strcmp (argv[i], "-print-sysroot-headers-suffix"))
+ print_sysroot_headers_suffix = 1;
else if (! strncmp (argv[i], "-Wa,", 4))
{
int prev, j;
switch (c)
{
case 'b':
- if (NULL == strchr(argv[i] + 2, '-')) break;
+ if (NULL == strchr(argv[i] + 2, '-'))
+ goto normal_switch;
+
+ /* Fall through. */
case 'V':
fatal ("'-%c' must come at the start of the command line", c);
break;
value = tmp;
}
- /* As a kludge, if the arg is "[foo/]stageN/", just
- add "[foo/]include" to the include prefix. */
- if ((len == 7
- || (len > 7
- && (IS_DIR_SEPARATOR (value[len - 8]))))
- && strncmp (value + len - 7, "stage", 5) == 0
- && ISDIGIT (value[len - 2])
- && (IS_DIR_SEPARATOR (value[len - 1])))
- {
- if (len == 7)
- add_prefix (&include_prefixes, "./", NULL,
- PREFIX_PRIORITY_B_OPT, 0, 0);
- else
- {
- char *string = xmalloc (len - 6);
- memcpy (string, value, len - 7);
- string[len - 7] = 0;
- add_prefix (&include_prefixes, string, NULL,
- PREFIX_PRIORITY_B_OPT, 0, 0);
- }
- }
-
add_prefix (&exec_prefixes, value, NULL,
PREFIX_PRIORITY_B_OPT, 0, 0);
add_prefix (&startfile_prefixes, value, NULL,
use_pipes = 0;
}
- /* Set up the search paths before we go looking for config files. */
+ /* Set up the search paths. We add directories that we expect to
+ contain GNU Toolchain components before directories specified by
+ the machine description so that we will find GNU components (like
+ the GNU assembler) before those of the host system. */
- /* These come before the md prefixes so that we will find gcc's subcommands
- (such as cpp) rather than those of the host system. */
- /* Use 2 as fourth arg meaning try just the machine as a suffix,
- as well as trying the machine and the version. */
+ /* If we don't know where the toolchain has been installed, use the
+ configured-in locations. */
+ if (!gcc_exec_prefix)
+ {
#ifndef OS2
- add_prefix (&exec_prefixes, standard_libexec_prefix, "GCC",
- PREFIX_PRIORITY_LAST, 1, 0);
- add_prefix (&exec_prefixes, standard_libexec_prefix, "BINUTILS",
- PREFIX_PRIORITY_LAST, 2, 0);
- add_prefix (&exec_prefixes, standard_exec_prefix, "BINUTILS",
- PREFIX_PRIORITY_LAST, 2, 0);
- add_prefix (&exec_prefixes, standard_exec_prefix_1, "BINUTILS",
- PREFIX_PRIORITY_LAST, 2, 0);
- add_prefix (&exec_prefixes, standard_exec_prefix_2, "BINUTILS",
- PREFIX_PRIORITY_LAST, 2, 0);
+ add_prefix (&exec_prefixes, standard_libexec_prefix, "GCC",
+ PREFIX_PRIORITY_LAST, 1, 0);
+ add_prefix (&exec_prefixes, standard_libexec_prefix, "BINUTILS",
+ PREFIX_PRIORITY_LAST, 2, 0);
+ add_prefix (&exec_prefixes, standard_exec_prefix, "BINUTILS",
+ PREFIX_PRIORITY_LAST, 2, 0);
#endif
+ add_prefix (&startfile_prefixes, standard_exec_prefix, "BINUTILS",
+ PREFIX_PRIORITY_LAST, 1, 0);
+ }
- add_prefix (&startfile_prefixes, standard_exec_prefix, "BINUTILS",
- PREFIX_PRIORITY_LAST, 1, 0);
- add_prefix (&startfile_prefixes, standard_exec_prefix_2, "BINUTILS",
- PREFIX_PRIORITY_LAST, 1, 0);
+ /* If not cross-compiling, search well-known system locations. */
+ if (*cross_compile == '0')
+ {
+#ifndef OS2
+ add_prefix (&exec_prefixes, standard_exec_prefix_1, "BINUTILS",
+ PREFIX_PRIORITY_LAST, 2, 0);
+ add_prefix (&exec_prefixes, standard_exec_prefix_2, "BINUTILS",
+ PREFIX_PRIORITY_LAST, 2, 0);
+#endif
+ add_prefix (&startfile_prefixes, standard_exec_prefix_2, "BINUTILS",
+ PREFIX_PRIORITY_LAST, 1, 0);
+ }
+ gcc_assert (!IS_ABSOLUTE_PATH (tooldir_base_prefix));
tooldir_prefix = concat (tooldir_base_prefix, spec_machine,
dir_separator_str, NULL);
- /* If tooldir is relative, base it on exec_prefixes. A relative
- tooldir lets us move the installed tree as a unit.
-
- If GCC_EXEC_PREFIX is defined, then we want to add two relative
- directories, so that we can search both the user specified directory
- and the standard place. */
-
- if (!IS_ABSOLUTE_PATH (tooldir_prefix))
- {
- if (gcc_exec_prefix)
- {
- char *gcc_exec_tooldir_prefix
- = concat (gcc_exec_prefix, spec_machine, dir_separator_str,
- spec_version, dir_separator_str, tooldir_prefix, NULL);
-
- add_prefix (&exec_prefixes,
- concat (gcc_exec_tooldir_prefix, "bin",
- dir_separator_str, NULL),
- NULL, PREFIX_PRIORITY_LAST, 0, 0);
- add_prefix (&startfile_prefixes,
- concat (gcc_exec_tooldir_prefix, "lib",
- dir_separator_str, NULL),
- NULL, PREFIX_PRIORITY_LAST, 0, 1);
- }
-
- tooldir_prefix = concat (standard_exec_prefix, spec_machine,
- dir_separator_str, spec_version,
- dir_separator_str, tooldir_prefix, NULL);
- }
+ /* Look for tools relative to the location from which the driver is
+ running, or, if that is not available, the configured prefix. */
+ tooldir_prefix
+ = concat (gcc_exec_prefix ? gcc_exec_prefix : standard_exec_prefix,
+ spec_machine, dir_separator_str,
+ spec_version, dir_separator_str, tooldir_prefix, NULL);
add_prefix (&exec_prefixes,
concat (tooldir_prefix, "bin", dir_separator_str, NULL),
;
else if (! strcmp (argv[i], "-print-multi-os-directory"))
;
- else if (! strcmp (argv[i], "-ftarget-help"))
- ;
- else if (! strcmp (argv[i], "-fhelp"))
+ else if (! strcmp (argv[i], "-print-sysroot-headers-suffix"))
;
else if (! strncmp (argv[i], "--sysroot=", strlen ("--sysroot=")))
{
switches[n_switches].live_cond = SWITCH_OK;
switches[n_switches].validated = 0;
switches[n_switches].ordering = 0;
- /* These are always valid, since gcc.c itself understands them. */
+ /* These are always valid, since gcc.c itself understands the
+ first four and gfortranspec.c understands -static-libgfortran. */
if (!strcmp (p, "save-temps")
|| !strcmp (p, "static-libgcc")
|| !strcmp (p, "shared-libgcc")
- || !strcmp (p, "pipe"))
+ || !strcmp (p, "pipe")
+ || !strcmp (p, "static-libgfortran"))
switches[n_switches].validated = 1;
else
{
error ("warning: '-x %s' after last input file has no effect", spec_lang);
/* Ensure we only invoke each subprocess once. */
- if (target_help_flag || print_help_list)
+ if (print_subprocess_help || print_help_list)
{
n_infiles = 1;
- /* Create a dummy input file, so that we can pass --target-help on to
- the various sub-processes. */
+ /* Create a dummy input file, so that we can pass
+ the help option on to the various sub-processes. */
infiles[0].language = "c";
infiles[0].name = "help-dummy";
-
- if (target_help_flag)
- {
- switches[n_switches].part1 = "--target-help";
- switches[n_switches].args = 0;
- switches[n_switches].live_cond = SWITCH_OK;
- switches[n_switches].validated = 0;
-
- n_switches++;
- }
-
- if (print_help_list)
- {
- switches[n_switches].part1 = "--help";
- switches[n_switches].args = 0;
- switches[n_switches].live_cond = SWITCH_OK;
- switches[n_switches].validated = 0;
-
- n_switches++;
- }
}
switches[n_switches].part1 = 0;
for_each_path (&include_prefixes, false, info.append_len,
spec_path, &info);
+
+ info.append = "include-fixed";
+ if (*sysroot_hdrs_suffix_spec)
+ info.append = concat (info.append, dir_separator_str,
+ multilib_dir, NULL);
+ info.append_len = strlen (info.append);
+ for_each_path (&include_prefixes, false, info.append_len,
+ spec_path, &info);
}
break;
int max = n_infiles;
max += lang_specific_extra_outfiles;
- for (i = 0; i < max; i++)
- if (outfiles[i])
- store_arg (outfiles[i], 0, 0);
+ if (HAVE_GNU_LD && at_file_supplied)
+ {
+ /* We are going to expand `%o' to `@FILE', where FILE
+ is a newly-created temporary filename. The filenames
+ that would usually be expanded in place of %o will be
+ written to the temporary file. */
+
+ char *temp_file = make_temp_file ("");
+ char *at_argument;
+ char **argv;
+ int n_files, j, status;
+ FILE *f;
+
+ at_argument = concat ("@", temp_file, NULL);
+ store_arg (at_argument, 0, 0);
+
+ /* Convert OUTFILES into a form suitable for writeargv. */
+
+ /* Determine how many are non-NULL. */
+ for (n_files = 0, i = 0; i < max; i++)
+ n_files += outfiles[i] != NULL;
+
+ argv = alloca (sizeof (char *) * (n_files + 1));
+
+ /* Copy the strings over. */
+ for (i = 0, j = 0; i < max; i++)
+ if (outfiles[i])
+ {
+ argv[j] = (char *) outfiles[i];
+ j++;
+ }
+ argv[j] = NULL;
+
+ f = fopen (temp_file, "w");
+
+ if (f == NULL)
+ fatal ("could not open temporary response file %s",
+ temp_file);
+
+ status = writeargv (argv, f);
+
+ if (status)
+ fatal ("could not write to temporary response file %s",
+ temp_file);
+
+ status = fclose (f);
+
+ if (EOF == status)
+ fatal ("could not close temporary response file %s",
+ temp_file);
+
+ record_temp_file (temp_file, !save_temps_flag, !save_temps_flag);
+ }
+ else
+ for (i = 0; i < max; i++)
+ if (outfiles[i])
+ store_arg (outfiles[i], 0, 0);
break;
}
static inline bool
input_suffix_matches (const char *atom, const char *end_atom)
{
- /* We special case the semantics of {.s:...} and {.S:...} and their
- negative variants. Instead of testing the input filename suffix,
- we test whether the input source file is an assembler file or an
- assembler-with-cpp file respectively. This allows us to correctly
- handle the -x command line option. */
-
- if (atom + 1 == end_atom
- && input_file_compiler
- && input_file_compiler->suffix)
- {
- if (*atom == 's')
- return !strcmp (input_file_compiler->suffix, "@assembler");
- if (*atom == 'S')
- return !strcmp (input_file_compiler->suffix, "@assembler-with-cpp");
- }
-
return (input_suffix
&& !strncmp (input_suffix, atom, end_atom - atom)
&& input_suffix[end_atom - atom] == '\0');
}
+/* Subroutine of handle_braces. Returns true if the current
+ input file's spec name matches the atom bracketed by ATOM and END_ATOM. */
+static bool
+input_spec_matches (const char *atom, const char *end_atom)
+{
+ return (input_file_compiler
+ && input_file_compiler->suffix
+ && input_file_compiler->suffix[0] != '\0'
+ && !strncmp (input_file_compiler->suffix + 1, atom,
+ end_atom - atom)
+ && input_file_compiler->suffix[end_atom - atom + 1] == '\0');
+}
+
/* Subroutine of handle_braces. Returns true if a switch
matching the atom bracketed by ATOM and END_ATOM appeared on the
command line. */
const char *orig = p;
bool a_is_suffix;
+ bool a_is_spectype;
bool a_is_starred;
bool a_is_negated;
bool a_matched;
goto invalid;
/* Scan one "atom" (S in the description above of %{}, possibly
- with !, ., or * modifiers). */
- a_matched = a_is_suffix = a_is_starred = a_is_negated = false;
+ with '!', '.', '@', ',', or '*' modifiers). */
+ a_matched = false;
+ a_is_suffix = false;
+ a_is_starred = false;
+ a_is_negated = false;
+ a_is_spectype = false;
SKIP_WHITE();
if (*p == '!')
SKIP_WHITE();
if (*p == '.')
p++, a_is_suffix = true;
+ else if (*p == ',')
+ p++, a_is_spectype = true;
atom = p;
while (ISIDNUM(*p) || *p == '-' || *p == '+' || *p == '='
/* Substitute the switch(es) indicated by the current atom. */
ordered_set = true;
if (disjunct_set || n_way_choice || a_is_negated || a_is_suffix
- || atom == end_atom)
+ || a_is_spectype || atom == end_atom)
goto invalid;
mark_matching_switches (atom, end_atom, a_is_starred);
if (atom == end_atom)
{
if (!n_way_choice || disj_matched || *p == '|'
- || a_is_negated || a_is_suffix || a_is_starred)
+ || a_is_negated || a_is_suffix || a_is_spectype
+ || a_is_starred)
goto invalid;
/* An empty term may appear as the last choice of an
}
else
{
- if (a_is_suffix && a_is_starred)
- goto invalid;
-
- if (!a_is_starred)
- disj_starred = false;
-
- /* Don't bother testing this atom if we already have a
- match. */
- if (!disj_matched && !n_way_matched)
- {
- if (a_is_suffix)
- a_matched = input_suffix_matches (atom, end_atom);
- else
- a_matched = switch_matches (atom, end_atom, a_is_starred);
-
- if (a_matched != a_is_negated)
- {
- disj_matched = true;
- d_atom = atom;
- d_end_atom = end_atom;
- }
- }
+ if ((a_is_suffix || a_is_spectype) && a_is_starred)
+ goto invalid;
+
+ if (!a_is_starred)
+ disj_starred = false;
+
+ /* Don't bother testing this atom if we already have a
+ match. */
+ if (!disj_matched && !n_way_matched)
+ {
+ if (a_is_suffix)
+ a_matched = input_suffix_matches (atom, end_atom);
+ else if (a_is_spectype)
+ a_matched = input_spec_matches (atom, end_atom);
+ else
+ a_matched = switch_matches (atom, end_atom, a_is_starred);
+
+ if (a_matched != a_is_negated)
+ {
+ disj_matched = true;
+ d_atom = atom;
+ d_end_atom = end_atom;
+ }
+ }
}
if (*p == ':')
char *specs_file;
const char *p;
struct user_specs *uptr;
+ char **old_argv = argv;
p = argv[0] + strlen (argv[0]);
while (p != argv[0] && !IS_DIR_SEPARATOR (p[-1]))
expandargv (&argc, &argv);
+ /* Determine if any expansions were made. */
+ if (argv != old_argv)
+ at_file_supplied = true;
+
prune_options (&argc, &argv);
#ifdef GCC_DRIVER_HOST_INITIALIZATION
PREFIX_PRIORITY_LAST, 0, 1);
else if (*cross_compile == '0')
{
- if (gcc_exec_prefix)
- add_prefix (&startfile_prefixes,
- concat (gcc_exec_prefix, machine_suffix,
- standard_startfile_prefix, NULL),
- NULL, PREFIX_PRIORITY_LAST, 0, 1);
add_prefix (&startfile_prefixes,
- concat (standard_exec_prefix,
- machine_suffix,
+ concat (gcc_exec_prefix
+ ? gcc_exec_prefix : standard_exec_prefix,
+ machine_suffix,
standard_startfile_prefix, NULL),
NULL, PREFIX_PRIORITY_LAST, 0, 1);
}
+ /* Sysrooted prefixes are relocated because target_system_root is
+ also relocated by gcc_exec_prefix. */
if (*standard_startfile_prefix_1)
add_sysrooted_prefix (&startfile_prefixes,
standard_startfile_prefix_1, "BINUTILS",
if (print_search_dirs)
{
- printf (_("install: %s%s\n"), standard_exec_prefix, machine_suffix);
+ printf (_("install: %s%s\n"),
+ gcc_exec_prefix ? gcc_exec_prefix : standard_exec_prefix,
+ gcc_exec_prefix ? "" : machine_suffix);
printf (_("programs: %s\n"),
build_search_list (&exec_prefixes, "", false, false));
printf (_("libraries: %s\n"),
return (0);
}
- if (target_help_flag)
- {
- /* Print if any target specific options. */
-
- /* We do not exit here. Instead we have created a fake input file
- called 'target-dummy' which needs to be compiled, and we pass this
- on to the various sub-processes, along with the --target-help
- switch. */
+ if (print_sysroot_headers_suffix)
+ {
+ if (*sysroot_hdrs_suffix_spec)
+ {
+ printf("%s\n", (target_sysroot_hdrs_suffix
+ ? target_sysroot_hdrs_suffix
+ : ""));
+ return (0);
+ }
+ else
+ /* The error status indicates that only one set of fixed
+ headers should be built. */
+ fatal ("not configured with sysroot headers suffix");
}
if (print_help_list)
/* Run ld to link all the compiler output files. */
- if (num_linker_inputs > 0 && error_count == 0)
+ if (num_linker_inputs > 0 && error_count == 0 && print_subprocess_help < 2)
{
int tmp = execution_count;
putenv_from_prefixes (&exec_prefixes, "COMPILER_PATH", false);
putenv_from_prefixes (&startfile_prefixes, LIBRARY_PATH_ENV, true);
+ if (print_subprocess_help == 1)
+ {
+ printf (_("\nLinker options\n==============\n\n"));
+ printf (_("Use \"-Wl,OPTION\" to pass \"OPTION\""
+ " to the linker.\n\n"));
+ fflush (stdout);
+ }
value = do_spec (link_command_spec);
if (value < 0)
error_count = 1;
if (! linker_was_run && error_count == 0)
for (i = 0; (int) i < n_infiles; i++)
- if (explicit_link_files[i])
+ if (explicit_link_files[i]
+ && !(infiles[i].language && infiles[i].language[0] == '*'))
error ("%s: linker input file unused because linking not done",
outfiles[i]);
p++;
SKIP_WHITE ();
- if (*p == '.')
+ if (*p == '.' || *p == ',')
suffix = true, p++;
atom = p;
}
}
\f
+/* getenv built-in spec function.
+
+ Returns the value of the environment variable given by its first
+ argument, concatenated with the second argument. If the
+ environment variable is not defined, a fatal error is issued. */
+
+static const char *
+getenv_spec_function (int argc, const char **argv)
+{
+ char *value;
+
+ if (argc != 2)
+ return NULL;
+
+ value = getenv (argv[0]);
+ if (!value)
+ fatal ("environment variable \"%s\" not defined", argv[0]);
+
+ return concat (value, argv[1], NULL);
+}
+
/* if-exists built-in spec function.
Checks to see if the file specified by the absolute pathname in
return NULL;
}
+
+/* %:print-asm-header spec function. Print a banner to say that the
+ following output is from the assembler. */
+
+static const char *
+print_asm_header_spec_function (int arg ATTRIBUTE_UNUSED,
+ const char **argv ATTRIBUTE_UNUSED)
+{
+ printf (_("Assembler options\n=================\n\n"));
+ printf (_("Use \"-Wa,OPTION\" to pass \"OPTION\" to the assembler.\n\n"));
+ fflush (stdout);
+ return NULL;
+}
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