Note - this command is position dependent. % commands in the
spec string before this one will see -S, % commands in the
spec string after this one will not.
+ %>S Similar to "%<S", but keep it in the GCC command line.
%<S* remove all occurrences of all switches beginning with -S from the
command line.
%:function(args)
# endif
#endif
+/* Conditional to test whether plugin is used or not.
+ FIXME: For slim LTO we will need to enable plugin unconditionally. This
+ still cause problems with PLUGIN_LD != LD and when plugin is built but
+ not useable. For GCC 4.6 we don't support slim LTO and thus we can enable
+ plugin only when LTO is enabled. We still honor explicit
+ -fuse-linker-plugin. */
+#ifdef HAVE_LTO_PLUGIN
+#define PLUGIN_COND "!fno-use-linker-plugin:%{flto|flto=*|fuse-linker-plugin"
+#define PLUGIN_COND_CLOSE "}"
+#else
+#define PLUGIN_COND "fuse-linker-plugin"
+#define PLUGIN_COND_CLOSE ""
+#endif
+
/* -u* was put back because both BSD and SysV seem to support it. */
/* %{static:} simply prevents an error message if the target machine
directories. */
/* We pass any -flto flags on to the linker, which is expected
to understand them. In practice, this means it had better be collect2. */
+/* %{e*} includes -export-dynamic; see comment in common.opt. */
#ifndef LINK_COMMAND_SPEC
#define LINK_COMMAND_SPEC "\
%{!fsyntax-only:%{!c:%{!M:%{!MM:%{!E:%{!S:\
%(linker) \
- %{fuse-linker-plugin: \
+ %{"PLUGIN_COND": \
-plugin %(linker_plugin_file) \
-plugin-opt=%(lto_wrapper) \
-plugin-opt=-fresolution=%u.res \
%{!nostdlib:%{!nodefaultlibs:%:pass-through-libs(%(link_gcc_c_sequence))}} \
- } \
- %{flto*:%<fcompare-debug*} \
- %{flto*} %l " LINK_PIE_SPEC \
+ }"PLUGIN_COND_CLOSE" \
+ %{flto|flto=*:%<fcompare-debug*} \
+ %{flto} %{flto=*} %l " LINK_PIE_SPEC \
"%X %{o*} %{e*} %{N} %{n} %{r}\
%{s} %{t} %{u*} %{z} %{Z} %{!nostdlib:%{!nostartfiles:%S}}\
%{static:} %{L*} %(mfwrap) %(link_libgcc) %o\
%{coverage:-fprofile-arcs -ftest-coverage}";
static const char *asm_options =
-"%{--target-help:%:print-asm-header()} "
+"%{-target-help:%:print-asm-header()} "
#if HAVE_GNU_AS
/* If GNU AS is used, then convert -w (no warnings), -I, and -v
to the assembler equivalents. */
%W{o*:--output-pch=%*}}%V}}}}}}", 0, 0, 0},
{".i", "@cpp-output", 0, 0, 0},
{"@cpp-output",
- "%{!M:%{!MM:%{!E:cc1 -fpreprocessed %i %(cc1_options) %{!fsyntax-only:%(invoke_as)}}}}", 0, 1, 0},
+ "%{!M:%{!MM:%{!E:cc1 -fpreprocessed %i %(cc1_options) %{!fsyntax-only:%(invoke_as)}}}}", 0, 0, 0},
{".s", "@assembler", 0, 0, 0},
{"@assembler",
"%{!M:%{!MM:%{!E:%{!S:as %(asm_debug) %(asm_options) %i %A }}}}", 0, 0, 0},
"-lgcc_eh"
#ifdef USE_LIBUNWIND_EXCEPTIONS
# ifdef HAVE_LD_STATIC_DYNAMIC
- " %{!static:-Bstatic} -lunwind %{!static:-Bdynamic}"
+ " %{!static:" LD_STATIC_OPTION "} -lunwind"
+ " %{!static:" LD_DYNAMIC_OPTION "}"
# else
" -lunwind"
# endif
}
fputc ('"', stderr);
}
+ /* If it's empty, print "". */
+ else if (!**j)
+ fprintf (stderr, " \"\"");
else
fprintf (stderr, " %s", *j);
}
}
else
for (j = commands[i].argv; *j; j++)
- fprintf (stderr, " %s", *j);
+ /* If it's empty, print "". */
+ if (!**j)
+ fprintf (stderr, " \"\"");
+ else
+ fprintf (stderr, " %s", *j);
/* Print a pipe symbol after all but the last command. */
if (i + 1 != n_commands)
The `validated' field is nonzero if any spec has looked at this switch;
if it remains zero at the end of the run, it must be meaningless. */
-#define SWITCH_LIVE 0x1
-#define SWITCH_FALSE 0x2
-#define SWITCH_IGNORE 0x4
-#define SWITCH_IGNORE_PERMANENTLY 0x8
+#define SWITCH_LIVE (1 << 0)
+#define SWITCH_FALSE (1 << 1)
+#define SWITCH_IGNORE (1 << 2)
+#define SWITCH_IGNORE_PERMANENTLY (1 << 3)
+#define SWITCH_KEEP_FOR_GCC (1 << 4)
struct switchstr
{
save_switch (concat ("-L", arg, NULL), 0, NULL, validated);
return true;
+ case OPT_F:
+ /* Likewise -F. */
+ save_switch (concat ("-F", arg, NULL), 0, NULL, validated);
+ return true;
+
case OPT_save_temps:
save_temps_flag = SAVE_TEMPS_CWD;
validated = true;
first_time = FALSE;
/* Ignore elided switches. */
- if ((switches[i].live_cond & SWITCH_IGNORE) != 0)
+ if ((switches[i].live_cond
+ & (SWITCH_IGNORE | SWITCH_KEEP_FOR_GCC))
+ == SWITCH_IGNORE)
continue;
obstack_grow (&collect_obstack, "'-", 2);
int i;
int value;
+ /* If it's an empty string argument to a switch, keep it as is. */
+ if (inswitch && !*p)
+ arg_going = 1;
+
while ((c = *p++))
/* If substituting a switch, treat all chars like letters.
Otherwise, NL, SPC, TAB and % are special. */
/* Henceforth ignore the option(s) matching the pattern
after the %<. */
case '<':
+ case '>':
{
unsigned len = 0;
int have_wildcard = 0;
int i;
+ int switch_option;
+
+ if (c == '>')
+ switch_option = SWITCH_IGNORE | SWITCH_KEEP_FOR_GCC;
+ else
+ switch_option = SWITCH_IGNORE;
while (p[len] && p[len] != ' ' && p[len] != '\t')
len++;
if (!strncmp (switches[i].part1, p, len - have_wildcard)
&& (have_wildcard || switches[i].part1[len] == '\0'))
{
- switches[i].live_cond |= SWITCH_IGNORE;
+ switches[i].live_cond |= switch_option;
switches[i].validated = 1;
}
case '*':
if (soft_matched_part)
{
- do_spec_1 (soft_matched_part, 1, NULL);
+ if (soft_matched_part[0])
+ do_spec_1 (soft_matched_part, 1, NULL);
do_spec_1 (" ", 0, NULL);
}
else
if (n_infiles == added_libraries)
fatal_error ("no input files");
+ if (seen_error ())
+ goto out;
+
/* Make a place to record the compiler output file names
that correspond to the input files. */
if (num_linker_inputs > 0 && !seen_error () && print_subprocess_help < 2)
{
int tmp = execution_count;
+#ifdef HAVE_LTO_PLUGIN
+ const char *fno_use_linker_plugin = "fno-use-linker-plugin";
+#else
const char *fuse_linker_plugin = "fuse-linker-plugin";
+#endif
/* We'll use ld if we can't find collect2. */
if (! strcmp (linker_name_spec, "collect2"))
linker_name_spec = "ld";
}
+#ifdef HAVE_LTO_PLUGIN
+ if (!switch_matches (fno_use_linker_plugin,
+ fno_use_linker_plugin + strlen (fno_use_linker_plugin), 0))
+#else
if (switch_matches (fuse_linker_plugin,
fuse_linker_plugin + strlen (fuse_linker_plugin), 0))
+#endif
{
linker_plugin_file_spec = find_a_file (&exec_prefixes,
LTOPLUGINSONAME, R_OK,
printf ("%s\n", bug_report_url);
}
+ out:
return (signal_count != 0 ? 2
: seen_error () ? (pass_exit_codes ? greatest_status : 1)
: 0);
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