/* 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, 2009,
- 2010
+ 2010, 2011
Free Software Foundation, Inc.
This file is part of GCC.
#include "coretypes.h"
#include "multilib.h" /* before tm.h */
#include "tm.h"
-#include <signal.h>
-#if ! defined( SIGCHLD ) && defined( SIGCLD )
-# define SIGCHLD SIGCLD
-#endif
#include "xregex.h"
#include "obstack.h"
#include "intl.h"
#include "opts.h"
#include "vec.h"
-#ifdef HAVE_MMAP_FILE
-# include <sys/mman.h>
-# ifdef HAVE_MINCORE
-/* This is on Solaris. */
-# include <sys/types.h>
-# endif
-#endif
-
-#ifndef MAP_FAILED
-# define MAP_FAILED ((void *)-1)
-#endif
-
/* By default there is no special suffix for target executables. */
/* FIXME: when autoconf is fixed, remove the host check - dj */
#if defined(TARGET_EXECUTABLE_SUFFIX) && defined(HOST_EXECUTABLE_SUFFIX)
#define LIBRARY_PATH_ENV "LIBRARY_PATH"
#endif
-#ifndef HAVE_KILL
-#define kill(p,s) raise(s)
-#endif
-
/* If a stage of compilation returns an exit status >= 1,
compilation of that file ceases. */
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. */
+#ifdef HAVE_LTO_PLUGIN
+#define PLUGIN_COND "!fno-use-linker-plugin"
+#else
+#define PLUGIN_COND "fuse-linker-plugin"
+#endif
+
/* -u* was put back because both BSD and SysV seem to support it. */
/* %{static:} simply prevents an error message if the target machine
#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 \
} \
%{flto*:%<fcompare-debug*} \
%{flto*} %l " LINK_PIE_SPEC \
- "%X %{o*} %{A} %{d} %{e*} %{m} %{N} %{n} %{r}\
- %{s} %{t} %{u*} %{z} %{Z} %{!A:%{!nostdlib:%{!nostartfiles:%S}}}\
+ "%X %{o*} %{e*} %{N} %{n} %{r}\
+ %{s} %{t} %{u*} %{z} %{Z} %{!nostdlib:%{!nostartfiles:%S}}\
%{static:} %{L*} %(mfwrap) %(link_libgcc) %o\
%{fopenmp|ftree-parallelize-loops=*:%:include(libgomp.spec)%(link_gomp)}\
%(mflib) " STACK_SPLIT_SPEC "\
%{fprofile-arcs|fprofile-generate*|coverage:-lgcov}\
%{!nostdlib:%{!nodefaultlibs:%(link_ssp) %(link_gcc_c_sequence)}}\
- %{!A:%{!nostdlib:%{!nostartfiles:%E}}} %{T*} }}}}}}"
+ %{!nostdlib:%{!nostartfiles:%E}} %{T*} }}}}}}"
#endif
#ifndef LINK_LIBGCC_SPEC
call cc1 (or cc1obj in objc/lang-specs.h) from the main specs so
that we default the front end language better. */
static const char *trad_capable_cpp =
-"cc1 -E %{traditional|ftraditional|traditional-cpp:-traditional-cpp}";
+"cc1 -E %{traditional|traditional-cpp:-traditional-cpp}";
/* We don't wrap .d files in %W{} since a missing .d file, and
therefore no dependency entry, confuses make into thinking a .o
%{!fcompare-debug-second:%{c|S:%{o*:-auxbase-strip %*}%{!o*:-auxbase %b}}}%{!c:%{!S:-auxbase %b}} \
%{g*} %{O*} %{W*&pedantic*} %{w} %{std*&ansi&trigraphs}\
%{v:-version} %{pg:-p} %{p} %{f*} %{undef}\
- %{Qn:-fno-ident} %{-help:--help}\
+ %{Qn:-fno-ident} %{Qy:} %{-help:--help}\
%{-target-help:--target-help}\
%{-version:--version}\
%{-help=*:--help=%*}\
{".p", "#Pascal", 0, 0, 0}, {".pas", "#Pascal", 0, 0, 0},
{".java", "#Java", 0, 0, 0}, {".class", "#Java", 0, 0, 0},
{".zip", "#Java", 0, 0, 0}, {".jar", "#Java", 0, 0, 0},
+ {".go", "#Go", 0, 1, 0},
/* Next come the entries for C. */
{".c", "@c", 0, 0, 1},
{"@c",
external preprocessor if -save-temps is given. */
"%{E|M|MM:%(trad_capable_cpp) %(cpp_options) %(cpp_debug_options)}\
%{!E:%{!M:%{!MM:\
- %{traditional|ftraditional:\
+ %{traditional:\
%eGNU C no longer supports -traditional without -E}\
%{save-temps*|traditional-cpp|no-integrated-cpp:%(trad_capable_cpp) \
%(cpp_options) -o %{save-temps*:%b.i} %{!save-temps*:%g.i} \n\
{".i", "@cpp-output", 0, 0, 0},
{"@cpp-output",
"%{!M:%{!MM:%{!E:cc1 -fpreprocessed %i %(cc1_options) %{!fsyntax-only:%(invoke_as)}}}}", 0, 1, 0},
- {".s", "@assembler", 0, 1, 0},
+ {".s", "@assembler", 0, 0, 0},
{"@assembler",
- "%{!M:%{!MM:%{!E:%{!S:as %(asm_debug) %(asm_options) %i %A }}}}", 0, 1, 0},
- {".sx", "@assembler-with-cpp", 0, 1, 0},
- {".S", "@assembler-with-cpp", 0, 1, 0},
+ "%{!M:%{!MM:%{!E:%{!S:as %(asm_debug) %(asm_options) %i %A }}}}", 0, 0, 0},
+ {".sx", "@assembler-with-cpp", 0, 0, 0},
+ {".S", "@assembler-with-cpp", 0, 0, 0},
{"@assembler-with-cpp",
#ifdef AS_NEEDS_DASH_FOR_PIPED_INPUT
"%(trad_capable_cpp) -lang-asm %(cpp_options) -fno-directives-only\
%{!M:%{!MM:%{!E:%{!S:-o %|.s |\n\
as %(asm_debug) %(asm_options) %m.s %A }}}}"
#endif
- , 0, 1, 0},
+ , 0, 0, 0},
#include "specs.h"
/* Mark end of table. */
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
{
struct cl_option_handlers handlers;
unsigned int j;
- GET_ENVIRONMENT (gcc_exec_prefix, "GCC_EXEC_PREFIX");
+ gcc_exec_prefix = getenv ("GCC_EXEC_PREFIX");
n_switches = 0;
n_infiles = 0;
/* COMPILER_PATH and LIBRARY_PATH have values
that are lists of directory names with colons. */
- GET_ENVIRONMENT (temp, "COMPILER_PATH");
+ temp = getenv ("COMPILER_PATH");
if (temp)
{
const char *startp, *endp;
}
}
- GET_ENVIRONMENT (temp, LIBRARY_PATH_ENV);
+ temp = getenv (LIBRARY_PATH_ENV);
if (temp && *cross_compile == '0')
{
const char *startp, *endp;
}
/* Use LPATH like LIBRARY_PATH (for the CMU build program). */
- GET_ENVIRONMENT (temp, "LPATH");
+ temp = getenv ("LPATH");
if (temp && *cross_compile == '0')
{
const char *startp, *endp;
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);
/* 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;
}
{
printf (_("%s %s%s\n"), progname, pkgversion_string,
version_string);
- printf ("Copyright %s 2010 Free Software Foundation, Inc.\n",
+ printf ("Copyright %s 2011 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"),
int i;
for (i = 0; i < n_infiles ; i++)
- if (infiles[i].language && infiles[i].language[0] != '*')
+ if (infiles[i].incompiler
+ || (infiles[i].language && infiles[i].language[0] != '*'))
{
set_input (infiles[i].name);
break;
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,