X-Git-Url: http://git.openwrt.org/?a=blobdiff_plain;f=toolchain%2Fgcc%2Fpatches%2F5.5.0%2F910-mbsd_multi.patch;fp=toolchain%2Fgcc%2Fpatches%2F5.5.0%2F910-mbsd_multi.patch;h=0000000000000000000000000000000000000000;hb=080dc619d4780a1f7b14082b77b28686e694f72d;hp=88905f6f2ff0cef398bc29b80936b6c7799d9dcc;hpb=bfc433efd4a0c6875a92981d1bd2a5e3e60c61c6;p=openwrt%2Fstaging%2Fmkresin.git diff --git a/toolchain/gcc/patches/5.5.0/910-mbsd_multi.patch b/toolchain/gcc/patches/5.5.0/910-mbsd_multi.patch deleted file mode 100644 index 88905f6f2f..0000000000 --- a/toolchain/gcc/patches/5.5.0/910-mbsd_multi.patch +++ /dev/null @@ -1,222 +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. - - This patch was authored by Thorsten Glaser - with copyright assignment to the FSF in effect. - ---- a/gcc/c-family/c-opts.c -+++ b/gcc/c-family/c-opts.c -@@ -122,6 +122,9 @@ static int class_dump_flags; - /* Whether any standard preincluded header has been preincluded. */ - static bool done_preinclude; - -+/* 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 +452,12 @@ 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; -@@ -1039,6 +1048,47 @@ 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 -@@ -431,6 +431,10 @@ Wfloat-conversion - C ObjC C++ ObjC++ Var(warn_float_conversion) LangEnabledBy(C ObjC C++ ObjC++,Wconversion) - Warn for implicit type conversions that cause loss of floating point precision - -+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 -@@ -1161,6 +1165,9 @@ 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 -@@ -561,6 +561,10 @@ 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 -@@ -1360,6 +1364,9 @@ 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 -@@ -1699,6 +1699,17 @@ 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 -@@ -163,6 +163,11 @@ in older programs. This warning is on b - Make all warnings into hard errors. Source code which triggers warnings - will be rejected. - -+@item -Werror-maybe-reset -+@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 -@@ -251,7 +251,7 @@ Objective-C and Objective-C++ Dialects}. - -Wdisabled-optimization @gol - -Wno-discarded-qualifiers -Wno-discarded-array-qualifiers @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-signedness -Wformat-y2k @gol -@@ -5388,6 +5388,22 @@ This option is only supported for C and - @option{-Wall} and by @option{-Wpedantic}, which can be disabled with - @option{-Wno-pointer-sign}. - -+@item -Werror-maybe-reset -+@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 -fhonour-copts -+@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 -@@ -7866,7 +7882,7 @@ 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 -@@ -629,6 +629,7 @@ 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) - {