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author | Imre Kaloz <kaloz@openwrt.org> | 2012-02-12 09:48:39 +0000 |
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committer | Imre Kaloz <kaloz@openwrt.org> | 2012-02-12 09:48:39 +0000 |
commit | d252dd3d2e19995b87c9928493d9a3652cc5ff82 (patch) | |
tree | d83082af0ffd73d691ee24f6c19272eae67b7f2a /toolchain/gcc/patches/4.6.1/910-mbsd_multi.patch | |
parent | bd73e0a85d79885d31cbae660a8964ef3635a49e (diff) | |
download | upstream-d252dd3d2e19995b87c9928493d9a3652cc5ff82.tar.gz upstream-d252dd3d2e19995b87c9928493d9a3652cc5ff82.tar.bz2 upstream-d252dd3d2e19995b87c9928493d9a3652cc5ff82.zip |
upgrade vanilla gcc to 4.6.2
SVN-Revision: 30470
Diffstat (limited to 'toolchain/gcc/patches/4.6.1/910-mbsd_multi.patch')
-rw-r--r-- | toolchain/gcc/patches/4.6.1/910-mbsd_multi.patch | 253 |
1 files changed, 0 insertions, 253 deletions
diff --git a/toolchain/gcc/patches/4.6.1/910-mbsd_multi.patch b/toolchain/gcc/patches/4.6.1/910-mbsd_multi.patch deleted file mode 100644 index 5a1adc971e..0000000000 --- a/toolchain/gcc/patches/4.6.1/910-mbsd_multi.patch +++ /dev/null @@ -1,253 +0,0 @@ - - This patch brings over a few features from MirBSD: - * -fhonour-copts - If this option is not given, it's warned (depending - on environment variables). This is to catch errors - of misbuilt packages which override CFLAGS themselves. - * -Werror-maybe-reset - Has the effect of -Wno-error if GCC_NO_WERROR is - set and not '0', a no-operation otherwise. This is - to be able to use -Werror in "make" but prevent - GNU autoconf generated configure scripts from - freaking out. - * Make -fno-strict-aliasing and -fno-delete-null-pointer-checks - the default for -O2/-Os, because they trigger gcc bugs - and can delete code with security implications. - - This patch was authored by Thorsten Glaser <tg at mirbsd.de> - with copyright assignment to the FSF in effect. - ---- a/gcc/c-family/c-opts.c -+++ b/gcc/c-family/c-opts.c -@@ -103,6 +103,9 @@ static size_t deferred_count; - /* 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_cxx0x (int); -@@ -441,6 +444,9 @@ c_common_handle_option (size_t scode, co - global_dc->warning_as_error_requested = value; - break; - -+ case OPT_Werror_maybe_reset: -+ break; -+ - case OPT_Wformat: - set_Wformat (value); - break; -@@ -584,6 +590,12 @@ c_common_handle_option (size_t scode, co - 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; -@@ -1058,6 +1070,47 @@ c_common_init (void) - 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; - } - ---- a/gcc/c-family/c.opt -+++ b/gcc/c-family/c.opt -@@ -363,6 +363,10 @@ Werror-implicit-function-declaration - 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 -@@ -794,6 +798,9 @@ C++ ObjC++ Optimization Alias(fexception - 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 ---- a/gcc/common.opt -+++ b/gcc/common.opt -@@ -520,6 +520,10 @@ Werror= - 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 -@@ -1156,6 +1160,9 @@ fguess-branch-probability - 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 ---- a/gcc/opts.c -+++ b/gcc/opts.c -@@ -477,8 +477,6 @@ static const struct default_options defa - { 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 }, -@@ -494,6 +492,8 @@ static const struct default_options defa - { OPT_LEVELS_2_PLUS, OPT_falign_functions, 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 -@@ -1399,6 +1399,17 @@ common_handle_option (struct gcc_options - 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; ---- a/gcc/doc/cppopts.texi -+++ b/gcc/doc/cppopts.texi -@@ -164,6 +164,11 @@ in older programs. This warning is on b - 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 ---- a/gcc/doc/invoke.texi -+++ b/gcc/doc/invoke.texi -@@ -240,7 +240,7 @@ Objective-C and Objective-C++ Dialects}. - -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 -@@ -4495,6 +4495,22 @@ This option is only supported for C and - @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 -@@ -6317,7 +6333,7 @@ so, the first branch is redirected to ei - 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 ---- a/gcc/java/jvspec.c -+++ b/gcc/java/jvspec.c -@@ -627,6 +627,7 @@ lang_specific_pre_link (void) - 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) - { |