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, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA.
+Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301, USA.
This paragraph is here to try to keep Sun CC from dying.
The number of chars here seems crucial!!!! */
#if ! defined( SIGCHLD ) && defined( SIGCLD )
# define SIGCHLD SIGCLD
#endif
+#include "xregex.h"
#include "obstack.h"
#include "intl.h"
#include "prefix.h"
static void set_multilib_dir (void);
static void print_multilib_info (void);
static void perror_with_name (const char *);
-static void pfatal_pexecute (const char *, const char *) ATTRIBUTE_NORETURN;
static void notice (const char *, ...) ATTRIBUTE_PRINTF_1;
static void display_help (void);
static void add_preprocessor_option (const char *, int);
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 **);
\f
/* The Specs Language
%l process LINK_SPEC as a spec.
%L process LIB_SPEC as a spec.
%G process LIBGCC_SPEC as a spec.
+ %R Output the concatenation of target_system_root and
+ target_sysroot_suffix.
%S process STARTFILE_SPEC as a spec. A capital S is actually used here.
%E process ENDFILE_SPEC as a spec. A capital E is actually used here.
%C process CPP_SPEC as a spec.
#define MFWRAP_SPEC " %{static: %{fmudflap|fmudflapth: \
--wrap=malloc --wrap=free --wrap=calloc --wrap=realloc\
--wrap=mmap --wrap=munmap --wrap=alloca\
-} %{fmudflapth: --wrap=pthread_create --wrap=pthread_join --wrap=pthread_exit\
+} %{fmudflapth: --wrap=pthread_create\
}} %{fmudflap|fmudflapth: --wrap=main}"
#endif
#ifndef MFLIB_SPEC
#define LINK_GCC_C_SEQUENCE_SPEC "%G %L %G"
#endif
+#ifndef LINK_SSP_SPEC
+#ifdef TARGET_LIBC_PROVIDES_SSP
+#define LINK_SSP_SPEC "%{fstack-protector:}"
+#else
+#define LINK_SSP_SPEC "%{fstack-protector:-lssp_nonshared -lssp }"
+#endif
+#endif
+
#ifndef LINK_PIE_SPEC
#ifdef HAVE_LD_PIE
#define LINK_PIE_SPEC "%{pie:-pie} "
%{s} %{t} %{u*} %{x} %{z} %{Z} %{!A:%{!nostdlib:%{!nostartfiles:%S}}}\
%{static:} %{L*} %(mfwrap) %(link_libgcc) %o %(mflib)\
%{fprofile-arcs|fprofile-generate|coverage:-lgcov}\
- %{!nostdlib:%{!nodefaultlibs:%(link_gcc_c_sequence)}}\
+ %{!nostdlib:%{!nodefaultlibs:%(link_ssp)%(link_gcc_c_sequence)}}\
%{!A:%{!nostdlib:%{!nostartfiles:%E}}} %{T*} }}}}}}"
#endif
# define STARTFILE_PREFIX_SPEC ""
#endif
+#ifndef SYSROOT_SPEC
+# define SYSROOT_SPEC "--sysroot=%R"
+#endif
+
#ifndef SYSROOT_SUFFIX_SPEC
# define SYSROOT_SUFFIX_SPEC ""
#endif
static const char *cc1_spec = CC1_SPEC;
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 *asm_spec = ASM_SPEC;
static const char *asm_final_spec = ASM_FINAL_SPEC;
static const char *link_spec = LINK_SPEC;
static const char *link_command_spec = LINK_COMMAND_SPEC;
static const char *link_libgcc_spec = LINK_LIBGCC_SPEC;
static const char *startfile_prefix_spec = STARTFILE_PREFIX_SPEC;
+static const char *sysroot_spec = SYSROOT_SPEC;
static const char *sysroot_suffix_spec = SYSROOT_SUFFIX_SPEC;
static const char *sysroot_hdrs_suffix_spec = SYSROOT_HEADERS_SUFFIX_SPEC;
cc1 %(cpp_unique_options) %(cc1_options)}}\
%{!fsyntax-only:%(invoke_as)}}}}}}", 0, 1, 1},
{"-",
- "%{!E:%e-E required when input is from standard input}\
+ "%{!E:%e-E or -x required when input is from standard input}\
%(trad_capable_cpp) %(cpp_options) %(cpp_debug_options)", 0, 0, 0},
{".h", "@c-header", 0, 0, 0},
{"@c-header",
{"--static", "-static", 0},
{"--std", "-std=", "aj"},
{"--symbolic", "-symbolic", 0},
+ {"--sysroot", "--sysroot=", "aj"},
{"--time", "-time", 0},
{"--trace-includes", "-H", 0},
{"--traditional", "-traditional", 0},
INIT_STATIC_SPEC ("cc1_options", &cc1_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 ("endfile", &endfile_spec),
INIT_STATIC_SPEC ("link", &link_spec),
INIT_STATIC_SPEC ("lib", &lib_spec),
INIT_STATIC_SPEC ("md_startfile_prefix", &md_startfile_prefix),
INIT_STATIC_SPEC ("md_startfile_prefix_1", &md_startfile_prefix_1),
INIT_STATIC_SPEC ("startfile_prefix_spec", &startfile_prefix_spec),
+ INIT_STATIC_SPEC ("sysroot_spec", &sysroot_spec),
INIT_STATIC_SPEC ("sysroot_suffix_spec", &sysroot_suffix_spec),
INIT_STATIC_SPEC ("sysroot_hdrs_suffix_spec", &sysroot_hdrs_suffix_spec),
};
{ "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 },
{ 0, 0 }
};
}
obstack_1grow (&obstack, '\0');
- libgcc_spec = obstack_finish (&obstack);
+ libgcc_spec = XOBFINISH (&obstack, const char *);
}
#endif
#ifdef USE_AS_TRADITIONAL_FORMAT
static const char tf[] = "--traditional-format ";
obstack_grow (&obstack, tf, sizeof(tf) - 1);
obstack_grow0 (&obstack, asm_spec, strlen (asm_spec));
- asm_spec = obstack_finish (&obstack);
+ asm_spec = XOBFINISH (&obstack, const char *);
}
#endif
#ifdef LINK_EH_SPEC
/* Prepend LINK_EH_SPEC to whatever link_spec we had before. */
obstack_grow (&obstack, LINK_EH_SPEC, sizeof(LINK_EH_SPEC) - 1);
obstack_grow0 (&obstack, link_spec, strlen (link_spec));
- link_spec = obstack_finish (&obstack);
+ link_spec = XOBFINISH (&obstack, const char *);
#endif
specs = sl;
}
obstack_1grow (&collect_obstack, '\0');
- return obstack_finish (&collect_obstack);
+ return XOBFINISH (&collect_obstack, char *);
}
/* Rebuild the COMPILER_PATH and LIBRARY_PATH environment variables
static int n_switches;
+/* Language is one of three things:
+
+ 1) The name of a real programming language.
+ 2) NULL, indicating that no one has figured out
+ what it is yet.
+ 3) '*', indicating that the file should be passed
+ to the linker. */
struct infile
{
const char *name;
{
obstack_grow (&obstack, name, len - 2);
obstack_grow0 (&obstack, TARGET_OBJECT_SUFFIX, strlen (TARGET_OBJECT_SUFFIX));
- name = obstack_finish (&obstack);
+ name = XOBFINISH (&obstack, const char *);
}
#endif
obstack_grow (&obstack, name, len);
obstack_grow0 (&obstack, TARGET_EXECUTABLE_SUFFIX,
strlen (TARGET_EXECUTABLE_SUFFIX));
- name = obstack_finish (&obstack);
+ name = XOBFINISH (&obstack, const char *);
#endif
return name;
fputs (_(" -time Time the execution of each subprocess\n"), stdout);
fputs (_(" -specs=<file> Override built-in specs with the contents of <file>\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);
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);
;
else if (! strcmp (argv[i], "-fhelp"))
;
+ else if (! strncmp (argv[i], "--sysroot=", strlen ("--sysroot=")))
+ {
+ target_system_root = argv[i] + strlen ("--sysroot=");
+ target_system_root_changed = 1;
+ }
else if (argv[i][0] == '+' && argv[i][1] == 'e')
{
/* Compensate for the +e options to the C++ front-end;
infiles[n_infiles].language = "*";
infiles[n_infiles++].name = argv[++i];
}
+ /* Xassembler and Xpreprocessor were already handled in the first argv
+ scan, so all we need to do here is ignore them and their argument. */
else if (strcmp (argv[i], "-Xassembler") == 0)
- {
- infiles[n_infiles].language = "*";
- infiles[n_infiles++].name = argv[++i];
- }
+ i++;
else if (strcmp (argv[i], "-Xpreprocessor") == 0)
- {
- infiles[n_infiles].language = "*";
- infiles[n_infiles++].name = argv[++i];
- }
+ i++;
else if (strcmp (argv[i], "-l") == 0)
{ /* POSIX allows separation of -l and the lib arg;
canonicalize by concatenating -l with its arg */
}
}
obstack_grow (&collect_obstack, "\0", 1);
- putenv (obstack_finish (&collect_obstack));
+ putenv (XOBFINISH (&collect_obstack, char *));
}
\f
/* Process a spec string, accumulating and running commands. */
if (arg_going)
{
obstack_1grow (&obstack, 0);
- string = obstack_finish (&obstack);
+ string = XOBFINISH (&obstack, const char *);
if (this_is_library_file)
string = find_file (string);
store_arg (string, delete_this_arg, this_is_output_file);
if (arg_going)
{
obstack_1grow (&obstack, 0);
- string = obstack_finish (&obstack);
+ string = XOBFINISH (&obstack, const char *);
if (this_is_library_file)
string = find_file (string);
store_arg (string, delete_this_arg, this_is_output_file);
if (arg_going)
{
obstack_1grow (&obstack, 0);
- string = obstack_finish (&obstack);
+ string = XOBFINISH (&obstack, const char *);
if (this_is_library_file)
string = find_file (string);
store_arg (string, delete_this_arg, this_is_output_file);
if (arg_going)
{
obstack_1grow (&obstack, 0);
- string = obstack_finish (&obstack);
+ string = XOBFINISH (&obstack, const char *);
if (this_is_library_file)
string = find_file (string);
store_arg (string, delete_this_arg, this_is_output_file);
if (arg_going)
{
obstack_1grow (&obstack, 0);
- string = obstack_finish (&obstack);
+ string = XOBFINISH (&obstack, const char *);
if (this_is_library_file)
string = find_file (string);
store_arg (string, delete_this_arg, this_is_output_file);
if (processing_spec_function && arg_going)
{
obstack_1grow (&obstack, 0);
- string = obstack_finish (&obstack);
+ string = XOBFINISH (&obstack, const char *);
if (this_is_library_file)
string = find_file (string);
store_arg (string, delete_this_arg, this_is_output_file);
GCC_DRIVER_HOST_INITIALIZATION;
#endif
+ /* Unlock the stdio streams. */
+ unlock_std_streams ();
+
gcc_init_libintl ();
if (signal (SIGINT, SIG_IGN) != SIG_IGN)
obstack_grow (&multilib_obstack, p, strlen (p));
obstack_1grow (&multilib_obstack, 0);
- multilib_select = obstack_finish (&multilib_obstack);
+ multilib_select = XOBFINISH (&multilib_obstack, const char *);
q = multilib_matches_raw;
while ((p = *q++) != (char *) 0)
obstack_grow (&multilib_obstack, p, strlen (p));
obstack_1grow (&multilib_obstack, 0);
- multilib_matches = obstack_finish (&multilib_obstack);
+ multilib_matches = XOBFINISH (&multilib_obstack, const char *);
q = multilib_exclusions_raw;
while ((p = *q++) != (char *) 0)
obstack_grow (&multilib_obstack, p, strlen (p));
obstack_1grow (&multilib_obstack, 0);
- multilib_exclusions = obstack_finish (&multilib_obstack);
+ multilib_exclusions = XOBFINISH (&multilib_obstack, const char *);
need_space = FALSE;
for (i = 0; i < ARRAY_SIZE (multilib_defaults_raw); i++)
}
obstack_1grow (&multilib_obstack, 0);
- multilib_defaults = obstack_finish (&multilib_obstack);
+ multilib_defaults = XOBFINISH (&multilib_obstack, const char *);
}
/* Set up to remember the pathname of gcc and any options
obstack_init (&collect_obstack);
obstack_grow (&collect_obstack, "COLLECT_GCC=", sizeof ("COLLECT_GCC=") - 1);
obstack_grow (&collect_obstack, argv[0], strlen (argv[0]) + 1);
- putenv (obstack_finish (&collect_obstack));
+ putenv (XOBFINISH (&collect_obstack, char *));
#ifdef INIT_ENVIRONMENT
/* Set up any other necessary machine specific environment variables. */
&& do_spec_2 (sysroot_suffix_spec) == 0)
{
if (argbuf_index > 1)
- error ("spec failure: more than one arg to SYSROOT_SUFFIX_SPEC.");
+ error ("spec failure: more than one arg to SYSROOT_SUFFIX_SPEC");
else if (argbuf_index == 1)
target_sysroot_suffix = xstrdup (argbuf[argbuf_index -1]);
}
+#ifdef HAVE_LD_SYSROOT
+ /* Pass the --sysroot option to the linker, if it supports that. If
+ there is a sysroot_suffix_spec, it has already been processed by
+ this point, so target_system_root really is the system root we
+ should be using. */
+ if (target_system_root)
+ {
+ obstack_grow (&obstack, "%(sysroot_spec) ", strlen ("%(sysroot_spec) "));
+ obstack_grow0 (&obstack, link_spec, strlen (link_spec));
+ set_spec ("link", XOBFINISH (&obstack, const char *));
+ }
+#endif
+
/* Process sysroot_hdrs_suffix_spec. */
if (*sysroot_hdrs_suffix_spec != 0
&& do_spec_2 (sysroot_hdrs_suffix_spec) == 0)
{
if (argbuf_index > 1)
- error ("spec failure: more than one arg to SYSROOT_HEADERS_SUFFIX_SPEC.");
+ error ("spec failure: more than one arg to SYSROOT_HEADERS_SUFFIX_SPEC");
else if (argbuf_index == 1)
target_sysroot_hdrs_suffix = xstrdup (argbuf[argbuf_index -1]);
}
obstack_init (&obstack);
do_spec_1 (THREAD_MODEL_SPEC, 0, thread_model);
obstack_1grow (&obstack, '\0');
- thrmod = obstack_finish (&obstack);
+ thrmod = XOBFINISH (&obstack, const char *);
#else
thrmod = thread_model;
#endif
clear_failure_queue ();
}
- /* Reset the output file name to the first input file name, for use
- with %b in LINK_SPEC on a target that prefers not to emit a.out
- by default. */
+ /* Reset the input file name to the first compile/object file name, for use
+ with %b in LINK_SPEC. We use the first input file that we can find
+ a compiler to compile it instead of using infiles.language since for
+ languages other than C we use aliases that we then lookup later. */
if (n_infiles > 0)
- set_input (infiles[0].name);
+ {
+ int i;
+
+ for (i = 0; i < n_infiles ; i++)
+ if (infiles[i].language && infiles[i].language[0] != '*')
+ {
+ set_input (infiles[i].name);
+ break;
+ }
+ }
if (error_count == 0)
{
error ("%s: %s", name, xstrerror (errno));
}
-static void
-pfatal_pexecute (const char *errmsg_fmt, const char *errmsg_arg)
-{
- if (errmsg_arg)
- {
- int save_errno = errno;
-
- /* Space for trailing '\0' is in %s. */
- char *msg = xmalloc (strlen (errmsg_fmt) + strlen (errmsg_arg));
- sprintf (msg, errmsg_fmt, errmsg_arg);
- errmsg_fmt = msg;
-
- errno = save_errno;
- }
-
- pfatal_with_name (errmsg_fmt);
-}
-
/* Output an error message and exit. */
void
/* Output an error message and exit. */
void
-fatal (const char *msgid, ...)
+fatal (const char *cmsgid, ...)
{
va_list ap;
- va_start (ap, msgid);
+ va_start (ap, cmsgid);
fprintf (stderr, "%s: ", programname);
- vfprintf (stderr, _(msgid), ap);
+ vfprintf (stderr, _(cmsgid), ap);
va_end (ap);
fprintf (stderr, "\n");
delete_temp_files ();
exit (1);
}
+/* The argument is actually c-format, not gcc-internal-format,
+ but because functions with identical names are used through
+ the rest of the compiler with gcc-internal-format, we just
+ need to hope all users of these functions use the common
+ subset between c-format and gcc-internal-format. */
+
void
-error (const char *msgid, ...)
+error (const char *gmsgid, ...)
{
va_list ap;
- va_start (ap, msgid);
+ va_start (ap, gmsgid);
fprintf (stderr, "%s: ", programname);
- vfprintf (stderr, _(msgid), ap);
+ vfprintf (stderr, _(gmsgid), ap);
va_end (ap);
fprintf (stderr, "\n");
}
static void
-notice (const char *msgid, ...)
+notice (const char *cmsgid, ...)
{
va_list ap;
- va_start (ap, msgid);
- vfprintf (stderr, _(msgid), ap);
+ va_start (ap, cmsgid);
+ vfprintf (stderr, _(cmsgid), ap);
va_end (ap);
}
\f
obstack_grow (&multilib_obstack, start, end - start);
obstack_1grow (&multilib_obstack, 0);
- mdswitches[i].str = obstack_finish (&multilib_obstack);
+ mdswitches[i].str = XOBFINISH (&multilib_obstack, const char *);
mdswitches[i++].len = end - start;
if (*end == '\0')
}
/* replace-outfile built-in spec function.
- This looks for the first argument in the outfiles array's name and replaces it
- with the second argument. */
+
+ This looks for the first argument in the outfiles array's name and
+ replaces it with the second argument. */
static const char *
replace_outfile_spec_function (int argc, const char **argv)
return NULL;
}
+/* Given two version numbers, compares the two numbers.
+ A version number must match the regular expression
+ ([1-9][0-9]*|0)(\.([1-9][0-9]*|0))*
+*/
+static int
+compare_version_strings (const char *v1, const char *v2)
+{
+ int rresult;
+ regex_t r;
+
+ if (regcomp (&r, "^([1-9][0-9]*|0)(\\.([1-9][0-9]*|0))*$",
+ REG_EXTENDED | REG_NOSUB) != 0)
+ abort ();
+ rresult = regexec (&r, v1, 0, NULL, 0);
+ if (rresult == REG_NOMATCH)
+ fatal ("invalid version number `%s'", v1);
+ else if (rresult != 0)
+ abort ();
+ rresult = regexec (&r, v2, 0, NULL, 0);
+ if (rresult == REG_NOMATCH)
+ fatal ("invalid version number `%s'", v2);
+ else if (rresult != 0)
+ abort ();
+
+ return strverscmp (v1, v2);
+}
+
+
+/* version_compare built-in spec function.
+
+ This takes an argument of the following form:
+
+ <comparison-op> <arg1> [<arg2>] <switch> <result>
+
+ and produces "result" if the comparison evaluates to true,
+ and nothing if it doesn't.
+
+ The supported <comparison-op> values are:
+
+ >= true if switch is a later (or same) version than arg1
+ !> opposite of >=
+ < true if switch is an earlier version than arg1
+ !< opposite of <
+ >< true if switch is arg1 or later, and earlier than arg2
+ <> true if switch is earlier than arg1 or is arg2 or later
+
+ If the switch is not present, the condition is false unless
+ the first character of the <comparison-op> is '!'.
+
+ For example,
+ %:version-compare(>= 10.3 mmacosx-version-min= -lmx)
+ adds -lmx if -mmacosx-version-min=10.3.9 was passed. */
+
+static const char *
+version_compare_spec_function (int argc, const char **argv)
+{
+ int comp1, comp2;
+ size_t switch_len;
+ const char *switch_value = NULL;
+ int nargs = 1, i;
+ bool result;
+
+ if (argc < 3)
+ abort ();
+ if (argv[0][0] == '\0')
+ abort ();
+ if ((argv[0][1] == '<' || argv[0][1] == '>') && argv[0][0] != '!')
+ nargs = 2;
+ if (argc != nargs + 3)
+ abort ();
+
+ switch_len = strlen (argv[nargs + 1]);
+ for (i = 0; i < n_switches; i++)
+ if (!strncmp (switches[i].part1, argv[nargs + 1], switch_len)
+ && check_live_switch (i, switch_len))
+ switch_value = switches[i].part1 + switch_len;
+
+ if (switch_value == NULL)
+ comp1 = comp2 = -1;
+ else
+ {
+ comp1 = compare_version_strings (switch_value, argv[1]);
+ if (nargs == 2)
+ comp2 = compare_version_strings (switch_value, argv[2]);
+ else
+ comp2 = -1; /* This value unused. */
+ }
+
+ switch (argv[0][0] << 8 | argv[0][1])
+ {
+ case '>' << 8 | '=':
+ result = comp1 >= 0;
+ break;
+ case '!' << 8 | '<':
+ result = comp1 >= 0 || switch_value == NULL;
+ break;
+ case '<' << 8:
+ result = comp1 < 0;
+ break;
+ case '!' << 8 | '>':
+ result = comp1 < 0 || switch_value == NULL;
+ break;
+ case '>' << 8 | '<':
+ result = comp1 >= 0 && comp2 < 0;
+ break;
+ case '<' << 8 | '>':
+ result = comp1 < 0 || comp2 >= 0;
+ break;
+
+ default:
+ abort ();
+ }
+ if (! result)
+ return NULL;
+
+ return argv[nargs + 2];
+}
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