update gcc to latest upstream version

3 files changed, 335 insertions, 2 deletions

diff --git a/toolchain/gcc/Makefile.inc b/toolchain/gcc/Makefile.inc
index 20f767ea6..38f10f62f 100644
--- a/toolchain/gcc/Makefile.inc
+++ b/toolchain/gcc/Makefile.inc
@@ -7,8 +7,8 @@ ifeq ($(ADK_LINUX_AVR32),y)
 PKG_VERSION:=		4.4.6
 PKG_MD5SUM:=		ab525d429ee4425050a554bc9247d6c4
 else
-PKG_VERSION:=		4.6.3
-PKG_MD5SUM:=		773092fe5194353b02bb0110052a972e
+PKG_VERSION:=		4.7.2
+PKG_MD5SUM:=		cc308a0891e778cfda7a151ab8a6e762
 endif
 
 PKG_RELEASE:=		1
diff --git a/toolchain/gcc/patches/4.7.2/cflags.patch b/toolchain/gcc/patches/4.7.2/cflags.patch
new file mode 100644
index 000000000..a9ccdcbc8
--- /dev/null
+++ b/toolchain/gcc/patches/4.7.2/cflags.patch
@@ -0,0 +1,241 @@
+diff -Nur gcc-4.7.2.orig/gcc/c-family/c-opts.c gcc-4.7.2/gcc/c-family/c-opts.c
+--- gcc-4.7.2.orig/gcc/c-family/c-opts.c	2012-01-18 14:10:40.000000000 +0100
++++ gcc-4.7.2/gcc/c-family/c-opts.c	2012-09-22 12:53:33.000000000 +0200
+@@ -108,6 +108,9 @@
+ /* Number of deferred options scanned for -include.  */
+ static size_t include_cursor;
+ 
++/* Check if a port honours COPTS.  */
++static int honour_copts = 0;
++
+ static void handle_OPT_d (const char *);
+ static void set_std_cxx98 (int);
+ static void set_std_cxx11 (int);
+@@ -449,6 +452,9 @@
+       cpp_opts->warn_endif_labels = value;
+       break;
+ 
++    case OPT_Werror_maybe_reset:
++      break;
++
+     case OPT_Wformat:
+       set_Wformat (value);
+       break;
+@@ -592,6 +598,12 @@
+       flag_no_builtin = !value;
+       break;
+ 
++    case OPT_fhonour_copts:
++      if (c_language == clk_c) {
++        honour_copts++;
++      }
++      break;
++
+     case OPT_fconstant_string_class_:
+       constant_string_class_name = arg;
+       break;
+@@ -1098,6 +1110,47 @@
+       return false;
+     }
+ 
++  if (c_language == clk_c) {
++    char *ev = getenv ("GCC_HONOUR_COPTS");
++    int evv;
++    if (ev == NULL)
++      evv = -1;
++    else if ((*ev == '0') || (*ev == '\0'))
++      evv = 0;
++    else if (*ev == '1')
++      evv = 1;
++    else if (*ev == '2')
++      evv = 2;
++    else if (*ev == 's')
++      evv = -1;
++    else {
++      warning (0, "unknown GCC_HONOUR_COPTS value, assuming 1");
++      evv = 1; /* maybe depend this on something like MIRBSD_NATIVE?  */
++    }
++    if (evv == 1) {
++      if (honour_copts == 0) {
++        error ("someone does not honour COPTS at all in lenient mode");
++        return false;
++      } else if (honour_copts != 1) {
++        warning (0, "someone does not honour COPTS correctly, passed %d times",
++         honour_copts);
++      }
++    } else if (evv == 2) {
++      if (honour_copts == 0) {
++        error ("someone does not honour COPTS at all in strict mode");
++        return false;
++      } else if (honour_copts != 1) {
++        error ("someone does not honour COPTS correctly, passed %d times",
++         honour_copts);
++        return false;
++      }
++    } else if (evv == 0) {
++      if (honour_copts != 1)
++        inform (0, "someone does not honour COPTS correctly, passed %d times",
++         honour_copts);
++    }
++  }
++
+   return true;
+ }
+ 
+diff -Nur gcc-4.7.2.orig/gcc/c-family/c.opt gcc-4.7.2/gcc/c-family/c.opt
+--- gcc-4.7.2.orig/gcc/c-family/c.opt	2012-02-06 11:31:18.000000000 +0100
++++ gcc-4.7.2/gcc/c-family/c.opt	2012-09-22 12:53:33.000000000 +0200
+@@ -371,6 +371,10 @@
+ C ObjC RejectNegative Warning Alias(Werror=, implicit-function-declaration)
+ This switch is deprecated; use -Werror=implicit-function-declaration instead
+ 
++Werror-maybe-reset
++C ObjC C++ ObjC++
++; Documented in common.opt
++
+ Wfloat-equal
+ C ObjC C++ ObjC++ Var(warn_float_equal) Warning
+ Warn if testing floating point numbers for equality
+@@ -830,6 +834,9 @@
+ fhonor-std
+ C++ ObjC++ Ignore Warn(switch %qs is no longer supported)
+ 
++fhonour-copts
++C ObjC C++ ObjC++ RejectNegative
++
+ fhosted
+ C ObjC
+ Assume normal C execution environment
+diff -Nur gcc-4.7.2.orig/gcc/common.opt gcc-4.7.2/gcc/common.opt
+--- gcc-4.7.2.orig/gcc/common.opt	2012-08-06 16:34:27.000000000 +0200
++++ gcc-4.7.2/gcc/common.opt	2012-09-22 12:53:33.000000000 +0200
+@@ -531,6 +531,10 @@
+ Common Joined
+ Treat specified warning as error
+ 
++Werror-maybe-reset
++Common
++If environment variable GCC_NO_WERROR is set, act as -Wno-error
++
+ Wextra
+ Common Var(extra_warnings) Warning
+ Print extra (possibly unwanted) warnings
+@@ -1209,6 +1213,9 @@
+ Common Report Var(flag_guess_branch_prob) Optimization
+ Enable guessing of branch probabilities
+ 
++fhonour-copts
++Common RejectNegative
++
+ ; Nonzero means ignore `#ident' directives.  0 means handle them.
+ ; Generate position-independent code for executables if possible
+ ; On SVR4 targets, it also controls whether or not to emit a
+diff -Nur gcc-4.7.2.orig/gcc/doc/cppopts.texi gcc-4.7.2/gcc/doc/cppopts.texi
+--- gcc-4.7.2.orig/gcc/doc/cppopts.texi	2011-12-20 21:44:13.000000000 +0100
++++ gcc-4.7.2/gcc/doc/cppopts.texi	2012-09-22 12:53:33.000000000 +0200
+@@ -164,6 +164,11 @@
+ Make all warnings into hard errors.  Source code which triggers warnings
+ will be rejected.
+ 
++ at item -Werror-maybe-reset
++ at opindex Werror-maybe-reset
++Act like @samp{-Wno-error} if the @env{GCC_NO_WERROR} environment
++variable is set to anything other than 0 or empty.
++
+ @item -Wsystem-headers
+ @opindex Wsystem-headers
+ Issue warnings for code in system headers.  These are normally unhelpful
+diff -Nur gcc-4.7.2.orig/gcc/doc/invoke.texi gcc-4.7.2/gcc/doc/invoke.texi
+--- gcc-4.7.2.orig/gcc/doc/invoke.texi	2012-09-14 22:45:27.000000000 +0200
++++ gcc-4.7.2/gcc/doc/invoke.texi	2012-09-22 12:53:33.000000000 +0200
+@@ -242,7 +242,7 @@
+ -Wconversion  -Wcoverage-mismatch  -Wno-cpp  -Wno-deprecated  @gol
+ -Wno-deprecated-declarations -Wdisabled-optimization  @gol
+ -Wno-div-by-zero -Wdouble-promotion -Wempty-body  -Wenum-compare @gol
+--Wno-endif-labels -Werror  -Werror=* @gol
++-Wno-endif-labels -Werror  -Werror=* -Werror-maybe-reset @gol
+ -Wfatal-errors  -Wfloat-equal  -Wformat  -Wformat=2 @gol
+ -Wno-format-contains-nul -Wno-format-extra-args -Wformat-nonliteral @gol
+ -Wformat-security  -Wformat-y2k @gol
+@@ -4651,6 +4651,22 @@
+ @option{-Wall} and by @option{-pedantic}, which can be disabled with
+ @option{-Wno-pointer-sign}.
+ 
++ at item -Werror-maybe-reset
++ at opindex Werror-maybe-reset
++Act like @samp{-Wno-error} if the @env{GCC_NO_WERROR} environment
++variable is set to anything other than 0 or empty.
++
++ at item -fhonour-copts
++ at opindex fhonour-copts
++If @env{GCC_HONOUR_COPTS} is set to 1, abort if this option is not
++given at least once, and warn if it is given more than once.
++If @env{GCC_HONOUR_COPTS} is set to 2, abort if this option is not
++given exactly once.
++If @env{GCC_HONOUR_COPTS} is set to 0 or unset, warn if this option
++is not given exactly once.
++The warning is quelled if @env{GCC_HONOUR_COPTS} is set to @samp{s}.
++This flag and environment variable only affect the C language.
++
+ @item -Wstack-protector
+ @opindex Wstack-protector
+ @opindex Wno-stack-protector
+@@ -6570,7 +6586,7 @@
+ second branch or a point immediately following it, depending on whether
+ the condition is known to be true or false.
+ 
+-Enabled at levels @option{-O2}, @option{-O3}, @option{-Os}.
++Enabled at levels @option{-O3}.
+ 
+ @item -fsplit-wide-types
+ @opindex fsplit-wide-types
+diff -Nur gcc-4.7.2.orig/gcc/java/jvspec.c gcc-4.7.2/gcc/java/jvspec.c
+--- gcc-4.7.2.orig/gcc/java/jvspec.c	2011-02-13 20:20:01.000000000 +0100
++++ gcc-4.7.2/gcc/java/jvspec.c	2012-09-22 12:53:33.000000000 +0200
+@@ -627,6 +627,7 @@
+      class name.  Append dummy `.c' that can be stripped by set_input so %b
+      is correct.  */ 
+   set_input (concat (main_class_name, "main.c", NULL));
++  putenv ("GCC_HONOUR_COPTS=s"); /* XXX hack!  */
+   err = do_spec (jvgenmain_spec);
+   if (err == 0)
+     {
+diff -Nur gcc-4.7.2.orig/gcc/opts.c gcc-4.7.2/gcc/opts.c
+--- gcc-4.7.2.orig/gcc/opts.c	2012-01-10 17:27:55.000000000 +0100
++++ gcc-4.7.2/gcc/opts.c	2012-09-22 12:53:33.000000000 +0200
+@@ -470,8 +470,6 @@
+     { OPT_LEVELS_2_PLUS, OPT_fschedule_insns2, NULL, 1 },
+ #endif
+     { OPT_LEVELS_2_PLUS, OPT_fregmove, NULL, 1 },
+-    { OPT_LEVELS_2_PLUS, OPT_fstrict_aliasing, NULL, 1 },
+-    { OPT_LEVELS_2_PLUS, OPT_fstrict_overflow, NULL, 1 },
+     { OPT_LEVELS_2_PLUS, OPT_freorder_blocks, NULL, 1 },
+     { OPT_LEVELS_2_PLUS, OPT_freorder_functions, NULL, 1 },
+     { OPT_LEVELS_2_PLUS, OPT_ftree_vrp, NULL, 1 },
+@@ -489,6 +487,8 @@
+     { OPT_LEVELS_2_PLUS_SPEED_ONLY, OPT_foptimize_strlen, NULL, 1 },
+ 
+     /* -O3 optimizations.  */
++    { OPT_LEVELS_3_PLUS, OPT_fstrict_aliasing, NULL, 1 },
++    { OPT_LEVELS_3_PLUS, OPT_fstrict_overflow, NULL, 1 },
+     { OPT_LEVELS_3_PLUS, OPT_ftree_loop_distribute_patterns, NULL, 1 },
+     { OPT_LEVELS_3_PLUS, OPT_fpredictive_commoning, NULL, 1 },
+     /* Inlining of functions reducing size is a good idea with -Os
+@@ -1432,6 +1432,17 @@
+ 			       opts, opts_set, loc, dc);
+       break;
+ 
++    case OPT_Werror_maybe_reset:
++      {
++        char *ev = getenv ("GCC_NO_WERROR");
++        if ((ev != NULL) && (*ev != '0'))
++          warnings_are_errors = 0;
++      }
++      break;
++
++    case OPT_fhonour_copts:
++      break;
++
+     case OPT_Wlarger_than_:
+       opts->x_larger_than_size = value;
+       opts->x_warn_larger_than = value != -1;
diff --git a/toolchain/gcc/patches/4.7.2/no-lib64.patch b/toolchain/gcc/patches/4.7.2/no-lib64.patch
new file mode 100644
index 000000000..c567a4bec
--- /dev/null
+++ b/toolchain/gcc/patches/4.7.2/no-lib64.patch
@@ -0,0 +1,92 @@
+diff -Nur gcc-4.7.2.orig/gcc/config/i386/linux64.h gcc-4.7.2/gcc/config/i386/linux64.h
+--- gcc-4.7.2.orig/gcc/config/i386/linux64.h	2011-07-07 17:38:34.000000000 +0200
++++ gcc-4.7.2/gcc/config/i386/linux64.h	2012-09-22 12:48:17.000000000 +0200
+@@ -29,5 +29,5 @@
+ #define GNU_USER_LINK_EMULATIONX32 "elf32_x86_64"
+ 
+ #define GLIBC_DYNAMIC_LINKER32 "/lib/ld-linux.so.2"
+-#define GLIBC_DYNAMIC_LINKER64 "/lib64/ld-linux-x86-64.so.2"
+-#define GLIBC_DYNAMIC_LINKERX32 "/libx32/ld-linux-x32.so.2"
++#define GLIBC_DYNAMIC_LINKER64 "/lib/ld-linux-x86-64.so.2"
++#define GLIBC_DYNAMIC_LINKERX32 "/lib/ld-linux-so.2"
+diff -Nur gcc-4.7.2.orig/gcc/config/i386/t-linux64 gcc-4.7.2/gcc/config/i386/t-linux64
+--- gcc-4.7.2.orig/gcc/config/i386/t-linux64	2011-11-02 16:23:48.000000000 +0100
++++ gcc-4.7.2/gcc/config/i386/t-linux64	2012-09-22 12:46:07.000000000 +0200
+@@ -34,6 +34,6 @@
+ comma=,
+ MULTILIB_OPTIONS    = $(subst $(comma),/,$(TM_MULTILIB_CONFIG))
+ MULTILIB_DIRNAMES   = $(patsubst m%, %, $(subst /, ,$(MULTILIB_OPTIONS)))
+-MULTILIB_OSDIRNAMES = m64=../lib64
+-MULTILIB_OSDIRNAMES+= m32=$(if $(wildcard $(shell echo $(SYSTEM_HEADER_DIR))/../../usr/lib32),../lib32,../lib)
+-MULTILIB_OSDIRNAMES+= mx32=../libx32
++MULTILIB_OSDIRNAMES = m64=../lib
++MULTILIB_OSDIRNAMES+= m32=../lib
++MULTILIB_OSDIRNAMES+= mx32=../lib
+diff -Nur gcc-4.7.2.orig/gcc/config/mips/linux64.h gcc-4.7.2/gcc/config/mips/linux64.h
+--- gcc-4.7.2.orig/gcc/config/mips/linux64.h	2011-07-19 20:00:27.000000000 +0200
++++ gcc-4.7.2/gcc/config/mips/linux64.h	2012-09-22 12:44:16.000000000 +0200
+@@ -24,9 +24,9 @@
+ #define GNU_USER_LINK_EMULATIONN32 "elf32%{EB:b}%{EL:l}tsmipn32"
+ 
+ #define GLIBC_DYNAMIC_LINKER32 "/lib/ld.so.1"
+-#define GLIBC_DYNAMIC_LINKER64 "/lib64/ld.so.1"
+-#define GLIBC_DYNAMIC_LINKERN32 "/lib32/ld.so.1"
+-#define UCLIBC_DYNAMIC_LINKERN32 "/lib32/ld-uClibc.so.0"
++#define GLIBC_DYNAMIC_LINKER64 "/lib/ld.so.1"
++#define GLIBC_DYNAMIC_LINKERN32 "/lib/ld.so.1"
++#define UCLIBC_DYNAMIC_LINKERN32 "/lib/ld-uClibc.so.0"
+ #define BIONIC_DYNAMIC_LINKERN32 "/system/bin/linker32"
+ #define GNU_USER_DYNAMIC_LINKERN32 \
+   CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKERN32, UCLIBC_DYNAMIC_LINKERN32, \
+diff -Nur gcc-4.7.2.orig/gcc/config/mips/t-linux64 gcc-4.7.2/gcc/config/mips/t-linux64
+--- gcc-4.7.2.orig/gcc/config/mips/t-linux64	2011-11-02 15:33:56.000000000 +0100
++++ gcc-4.7.2/gcc/config/mips/t-linux64	2012-09-22 12:48:39.000000000 +0200
+@@ -18,4 +18,4 @@
+ 
+ MULTILIB_OPTIONS = mabi=n32/mabi=32/mabi=64
+ MULTILIB_DIRNAMES = n32 32 64
+-MULTILIB_OSDIRNAMES = ../lib32 ../lib ../lib64
++MULTILIB_OSDIRNAMES = ../lib ../lib ../lib
+diff -Nur gcc-4.7.2.orig/gcc/config/rs6000/linux64.h gcc-4.7.2/gcc/config/rs6000/linux64.h
+--- gcc-4.7.2.orig/gcc/config/rs6000/linux64.h	2012-03-12 17:16:51.000000000 +0100
++++ gcc-4.7.2/gcc/config/rs6000/linux64.h	2012-09-22 12:44:16.000000000 +0200
+@@ -359,7 +359,7 @@
+ #define LINK_OS_DEFAULT_SPEC "%(link_os_linux)"
+ 
+ #define GLIBC_DYNAMIC_LINKER32 "/lib/ld.so.1"
+-#define GLIBC_DYNAMIC_LINKER64 "/lib64/ld64.so.1"
++#define GLIBC_DYNAMIC_LINKER64 "/lib/ld64.so.1"
+ #define UCLIBC_DYNAMIC_LINKER32 "/lib/ld-uClibc.so.0"
+ #define UCLIBC_DYNAMIC_LINKER64 "/lib/ld64-uClibc.so.0"
+ #if DEFAULT_LIBC == LIBC_UCLIBC
+diff -Nur gcc-4.7.2.orig/gcc/config/rs6000/t-linux64 gcc-4.7.2/gcc/config/rs6000/t-linux64
+--- gcc-4.7.2.orig/gcc/config/rs6000/t-linux64	2011-11-02 16:23:48.000000000 +0100
++++ gcc-4.7.2/gcc/config/rs6000/t-linux64	2012-09-22 12:44:16.000000000 +0200
+@@ -31,5 +31,5 @@
+ MULTILIB_EXTRA_OPTS     = fPIC mstrict-align
+ MULTILIB_EXCEPTIONS     = m64/msoft-float
+ MULTILIB_EXCLUSIONS     = m64/!m32/msoft-float
+-MULTILIB_OSDIRNAMES	= ../lib64 $(if $(wildcard $(shell echo $(SYSTEM_HEADER_DIR))/../../usr/lib32),../lib32,../lib) nof
++MULTILIB_OSDIRNAMES	= ../lib $(if $(wildcard $(shell echo $(SYSTEM_HEADER_DIR))/../../usr/lib32),../lib32,../lib) nof
+ MULTILIB_MATCHES        = $(MULTILIB_MATCHES_FLOAT)
+diff -Nur gcc-4.7.2.orig/gcc/config/sparc/linux64.h gcc-4.7.2/gcc/config/sparc/linux64.h
+--- gcc-4.7.2.orig/gcc/config/sparc/linux64.h	2011-11-12 02:05:07.000000000 +0100
++++ gcc-4.7.2/gcc/config/sparc/linux64.h	2012-09-22 12:44:16.000000000 +0200
+@@ -94,7 +94,7 @@
+    done.  */
+ 
+ #define GLIBC_DYNAMIC_LINKER32 "/lib/ld-linux.so.2"
+-#define GLIBC_DYNAMIC_LINKER64 "/lib64/ld-linux.so.2"
++#define GLIBC_DYNAMIC_LINKER64 "/lib/ld-linux.so.2"
+ 
+ #ifdef SPARC_BI_ARCH
+ 
+diff -Nur gcc-4.7.2.orig/gcc/config/sparc/t-linux64 gcc-4.7.2/gcc/config/sparc/t-linux64
+--- gcc-4.7.2.orig/gcc/config/sparc/t-linux64	2011-11-02 16:23:48.000000000 +0100
++++ gcc-4.7.2/gcc/config/sparc/t-linux64	2012-09-22 12:49:43.000000000 +0200
+@@ -26,4 +26,4 @@
+ 
+ MULTILIB_OPTIONS = m64/m32
+ MULTILIB_DIRNAMES = 64 32
+-MULTILIB_OSDIRNAMES = ../lib64 $(if $(wildcard $(shell echo $(SYSTEM_HEADER_DIR))/../../usr/lib32),../lib32,../lib)
++MULTILIB_OSDIRNAMES = ../lib ../lib