diff options
Diffstat (limited to 'toolchain/gcc/patches/5.3.0/cflags.patch')
| -rw-r--r-- | toolchain/gcc/patches/5.3.0/cflags.patch | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/toolchain/gcc/patches/5.3.0/cflags.patch b/toolchain/gcc/patches/5.3.0/cflags.patch new file mode 100644 index 000000000..7ebb5e548 --- /dev/null +++ b/toolchain/gcc/patches/5.3.0/cflags.patch @@ -0,0 +1,222 @@ +diff -Nur gcc-5.1.0.orig/gcc/c-family/c-opts.c gcc-5.1.0/gcc/c-family/c-opts.c +--- gcc-5.1.0.orig/gcc/c-family/c-opts.c 2015-02-13 06:26:37.000000000 +0100 ++++ gcc-5.1.0/gcc/c-family/c-opts.c 2015-05-01 23:07:27.000000000 +0200 +@@ -122,6 +122,9 @@ + /* 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 @@ + 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; +@@ -1034,6 +1043,47 @@ + 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-5.1.0.orig/gcc/c-family/c.opt gcc-5.1.0/gcc/c-family/c.opt +--- gcc-5.1.0.orig/gcc/c-family/c.opt 2015-03-27 11:29:04.000000000 +0100 ++++ gcc-5.1.0/gcc/c-family/c.opt 2015-05-01 23:07:27.000000000 +0200 +@@ -431,6 +431,10 @@ + 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 @@ + 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-5.1.0.orig/gcc/common.opt gcc-5.1.0/gcc/common.opt +--- gcc-5.1.0.orig/gcc/common.opt 2015-02-27 03:06:48.000000000 +0100 ++++ gcc-5.1.0/gcc/common.opt 2015-05-01 23:07:27.000000000 +0200 +@@ -561,6 +561,10 @@ + 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 +@@ -1357,6 +1361,9 @@ + 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-5.1.0.orig/gcc/doc/cppopts.texi gcc-5.1.0/gcc/doc/cppopts.texi +--- gcc-5.1.0.orig/gcc/doc/cppopts.texi 2015-03-23 02:12:06.000000000 +0100 ++++ gcc-5.1.0/gcc/doc/cppopts.texi 2015-05-01 23:07:27.000000000 +0200 +@@ -163,6 +163,11 @@ + 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-5.1.0.orig/gcc/doc/invoke.texi gcc-5.1.0/gcc/doc/invoke.texi +--- gcc-5.1.0.orig/gcc/doc/invoke.texi 2015-04-12 21:29:44.000000000 +0200 ++++ gcc-5.1.0/gcc/doc/invoke.texi 2015-05-01 23:07:27.000000000 +0200 +@@ -251,7 +251,7 @@ + -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 +@@ -5370,6 +5370,22 @@ + @option{-Wall} and by @option{-Wpedantic}, 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 +@@ -7843,7 +7859,7 @@ + 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-5.1.0.orig/gcc/java/jvspec.c gcc-5.1.0/gcc/java/jvspec.c +--- gcc-5.1.0.orig/gcc/java/jvspec.c 2015-01-30 17:15:00.000000000 +0100 ++++ gcc-5.1.0/gcc/java/jvspec.c 2015-05-01 23:07:27.000000000 +0200 +@@ -629,6 +629,7 @@ + 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-5.1.0.orig/gcc/opts.c gcc-5.1.0/gcc/opts.c +--- gcc-5.1.0.orig/gcc/opts.c 2015-02-17 22:25:56.000000000 +0100 ++++ gcc-5.1.0/gcc/opts.c 2015-05-01 23:07:27.000000000 +0200 +@@ -511,6 +511,8 @@ + { OPT_LEVELS_2_PLUS, OPT_flra_remat, 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 +@@ -1699,6 +1701,17 @@ + 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; |