diff options
Diffstat (limited to 'toolchain/gcc/patches')
| -rw-r--r-- | toolchain/gcc/patches/4.8.3/cflags.patch | 231 | ||||
| -rw-r--r-- | toolchain/gcc/patches/4.8.3/miscompile.sparc | 154 | ||||
| -rw-r--r-- | toolchain/gcc/patches/4.8.3/musl-cross.patch | 633 | ||||
| -rw-r--r-- | toolchain/gcc/patches/4.8.3/musl-stubs.patch | 49 |
4 files changed, 1067 insertions, 0 deletions
diff --git a/toolchain/gcc/patches/4.8.3/cflags.patch b/toolchain/gcc/patches/4.8.3/cflags.patch new file mode 100644 index 000000000..4f9de8069 --- /dev/null +++ b/toolchain/gcc/patches/4.8.3/cflags.patch @@ -0,0 +1,231 @@ +diff -Nur gcc-4.8.2.orig/gcc/c-family/c.opt gcc-4.8.2/gcc/c-family/c.opt +--- gcc-4.8.2.orig/gcc/c-family/c.opt 2013-01-19 06:25:25.000000000 +0100 ++++ gcc-4.8.2/gcc/c-family/c.opt 2014-02-23 20:22:48.000000000 +0100 +@@ -379,6 +379,10 @@ + 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 +@@ -949,6 +953,9 @@ + 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-4.8.2.orig/gcc/c-family/c-opts.c gcc-4.8.2/gcc/c-family/c-opts.c +--- gcc-4.8.2.orig/gcc/c-family/c-opts.c 2013-02-18 20:42:56.000000000 +0100 ++++ gcc-4.8.2/gcc/c-family/c-opts.c 2014-02-23 20:22:48.000000000 +0100 +@@ -104,6 +104,9 @@ + /* 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); +@@ -491,6 +494,12 @@ + 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; +@@ -1027,6 +1036,47 @@ + 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-4.8.2.orig/gcc/common.opt gcc-4.8.2/gcc/common.opt +--- gcc-4.8.2.orig/gcc/common.opt 2013-03-14 10:13:36.000000000 +0100 ++++ gcc-4.8.2/gcc/common.opt 2014-02-23 20:22:48.000000000 +0100 +@@ -541,6 +541,10 @@ + 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 +@@ -1242,6 +1246,9 @@ + 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-4.8.2.orig/gcc/doc/cppopts.texi gcc-4.8.2/gcc/doc/cppopts.texi +--- gcc-4.8.2.orig/gcc/doc/cppopts.texi 2013-01-10 21:38:27.000000000 +0100 ++++ gcc-4.8.2/gcc/doc/cppopts.texi 2014-02-23 20:22:48.000000000 +0100 +@@ -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-4.8.2.orig/gcc/doc/invoke.texi gcc-4.8.2/gcc/doc/invoke.texi +--- gcc-4.8.2.orig/gcc/doc/invoke.texi 2013-06-19 21:55:50.000000000 +0200 ++++ gcc-4.8.2/gcc/doc/invoke.texi 2014-02-23 20:22:48.000000000 +0100 +@@ -240,7 +240,7 @@ + -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 +@@ -4807,6 +4807,22 @@ + @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 +@@ -6918,7 +6934,7 @@ + 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-4.8.2.orig/gcc/java/jvspec.c gcc-4.8.2/gcc/java/jvspec.c +--- gcc-4.8.2.orig/gcc/java/jvspec.c 2013-01-10 21:38:27.000000000 +0100 ++++ gcc-4.8.2/gcc/java/jvspec.c 2014-02-23 20:22:48.000000000 +0100 +@@ -626,6 +626,7 @@ + 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-4.8.2.orig/gcc/opts.c gcc-4.8.2/gcc/opts.c +--- gcc-4.8.2.orig/gcc/opts.c 2013-03-05 07:01:13.000000000 +0100 ++++ gcc-4.8.2/gcc/opts.c 2014-02-23 20:22:48.000000000 +0100 +@@ -468,8 +468,6 @@ + { 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 }, +@@ -488,6 +486,8 @@ + { OPT_LEVELS_2_PLUS, OPT_fhoist_adjacent_loads, 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 +@@ -1423,6 +1423,17 @@ + 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/4.8.3/miscompile.sparc b/toolchain/gcc/patches/4.8.3/miscompile.sparc new file mode 100644 index 000000000..b7ac26396 --- /dev/null +++ b/toolchain/gcc/patches/4.8.3/miscompile.sparc @@ -0,0 +1,154 @@ +diff -Nur gcc-4.8.3.orig/gcc/tree-ssa-forwprop.c gcc-4.8.3/gcc/tree-ssa-forwprop.c +--- gcc-4.8.3.orig/gcc/tree-ssa-forwprop.c 2013-02-25 16:31:31.000000000 +0100 ++++ gcc-4.8.3/gcc/tree-ssa-forwprop.c 2014-05-23 15:12:47.004949946 +0200 +@@ -688,6 +688,130 @@ + recompute_tree_invariant_for_addr_expr (gimple_assign_rhs1 (stmt)); + } + ++ /* DEF_RHS contains the address of the 0th element in an array. ++ USE_STMT uses type of DEF_RHS to compute the address of an ++ arbitrary element within the array. The (variable) byte offset ++ of the element is contained in OFFSET. ++ ++ We walk back through the use-def chains of OFFSET to verify that ++ it is indeed computing the offset of an element within the array ++ and extract the index corresponding to the given byte offset. ++ ++ We then try to fold the entire address expression into a form ++ &array[index]. ++ ++ If we are successful, we replace the right hand side of USE_STMT ++ with the new address computation. */ ++ ++ static bool ++ forward_propagate_addr_into_variable_array_index (tree offset, ++ tree def_rhs, ++ gimple_stmt_iterator *use_stmt_gsi) ++ { ++ tree index, tunit; ++ gimple offset_def, use_stmt = gsi_stmt (*use_stmt_gsi); ++ tree new_rhs, tmp; ++ ++ if (TREE_CODE (TREE_OPERAND (def_rhs, 0)) == ARRAY_REF) ++ tunit = TYPE_SIZE_UNIT (TREE_TYPE (TREE_TYPE (def_rhs))); ++ else if (TREE_CODE (TREE_TYPE (TREE_OPERAND (def_rhs, 0))) == ARRAY_TYPE) ++ tunit = TYPE_SIZE_UNIT (TREE_TYPE (TREE_TYPE (TREE_TYPE (def_rhs)))); ++ else ++ return false; ++ if (!host_integerp (tunit, 1)) ++ return false; ++ ++ /* Get the offset's defining statement. */ ++ offset_def = SSA_NAME_DEF_STMT (offset); ++ ++ /* Try to find an expression for a proper index. This is either a ++ multiplication expression by the element size or just the ssa name we came ++ along in case the element size is one. In that case, however, we do not ++ allow multiplications because they can be computing index to a higher ++ level dimension (PR 37861). */ ++ if (integer_onep (tunit)) ++ { ++ if (is_gimple_assign (offset_def) ++ && gimple_assign_rhs_code (offset_def) == MULT_EXPR) ++ return false; ++ ++ index = offset; ++ } ++ else ++ { ++ /* The statement which defines OFFSET before type conversion ++ must be a simple GIMPLE_ASSIGN. */ ++ if (!is_gimple_assign (offset_def)) ++ return false; ++ ++ /* The RHS of the statement which defines OFFSET must be a ++ multiplication of an object by the size of the array elements. ++ This implicitly verifies that the size of the array elements ++ is constant. */ ++ if (gimple_assign_rhs_code (offset_def) == MULT_EXPR ++ && TREE_CODE (gimple_assign_rhs2 (offset_def)) == INTEGER_CST ++ && tree_int_cst_equal (gimple_assign_rhs2 (offset_def), tunit)) ++ { ++ /* The first operand to the MULT_EXPR is the desired index. */ ++ index = gimple_assign_rhs1 (offset_def); ++ } ++ /* If we have idx * tunit + CST * tunit re-associate that. */ ++ else if ((gimple_assign_rhs_code (offset_def) == PLUS_EXPR ++ || gimple_assign_rhs_code (offset_def) == MINUS_EXPR) ++ && TREE_CODE (gimple_assign_rhs1 (offset_def)) == SSA_NAME ++ && TREE_CODE (gimple_assign_rhs2 (offset_def)) == INTEGER_CST ++ && (tmp = div_if_zero_remainder (EXACT_DIV_EXPR, ++ gimple_assign_rhs2 (offset_def), ++ tunit)) != NULL_TREE) ++ { ++ gimple offset_def2 = SSA_NAME_DEF_STMT (gimple_assign_rhs1 (offset_def)); ++ if (is_gimple_assign (offset_def2) ++ && gimple_assign_rhs_code (offset_def2) == MULT_EXPR ++ && TREE_CODE (gimple_assign_rhs2 (offset_def2)) == INTEGER_CST ++ && tree_int_cst_equal (gimple_assign_rhs2 (offset_def2), tunit)) ++ { ++ index = fold_build2 (gimple_assign_rhs_code (offset_def), ++ TREE_TYPE (offset), ++ gimple_assign_rhs1 (offset_def2), tmp); ++ } ++ else ++ return false; ++ } ++ else ++ return false; ++ } ++ ++ /* Replace the pointer addition with array indexing. */ ++ index = force_gimple_operand_gsi (use_stmt_gsi, index, true, NULL_TREE, ++ true, GSI_SAME_STMT); ++ if (TREE_CODE (TREE_OPERAND (def_rhs, 0)) == ARRAY_REF) ++ { ++ new_rhs = unshare_expr (def_rhs); ++ TREE_OPERAND (TREE_OPERAND (new_rhs, 0), 1) = index; ++ } ++ else ++ { ++ new_rhs = build4 (ARRAY_REF, TREE_TYPE (TREE_TYPE (TREE_TYPE (def_rhs))), ++ unshare_expr (TREE_OPERAND (def_rhs, 0)), ++ index, integer_zero_node, NULL_TREE); ++ new_rhs = build_fold_addr_expr (new_rhs); ++ if (!useless_type_conversion_p (TREE_TYPE (gimple_assign_lhs (use_stmt)), ++ TREE_TYPE (new_rhs))) ++ { ++ new_rhs = force_gimple_operand_gsi (use_stmt_gsi, new_rhs, true, ++ NULL_TREE, true, GSI_SAME_STMT); ++ new_rhs = fold_convert (TREE_TYPE (gimple_assign_lhs (use_stmt)), ++ new_rhs); ++ } ++ } ++ gimple_assign_set_rhs_from_tree (use_stmt_gsi, new_rhs); ++ fold_stmt (use_stmt_gsi); ++ tidy_after_forward_propagate_addr (gsi_stmt (*use_stmt_gsi)); ++ return true; ++ } ++ ++ ++ + /* NAME is a SSA_NAME representing DEF_RHS which is of the form + ADDR_EXPR <whatever>. + +@@ -977,6 +1101,19 @@ + tidy_after_forward_propagate_addr (use_stmt); + return true; + } ++ /* Try to optimize &x[0] p+ OFFSET where OFFSET is defined by ++ converting a multiplication of an index by the size of the ++ array elements, then the result is converted into the proper ++ type for the arithmetic. */ ++ if (TREE_CODE (rhs2) == SSA_NAME ++ && (TREE_CODE (array_ref) != ARRAY_REF ++ || integer_zerop (TREE_OPERAND (array_ref, 1))) ++ && useless_type_conversion_p (TREE_TYPE (name), TREE_TYPE (def_rhs)) ++ /* Avoid problems with IVopts creating PLUS_EXPRs with a ++ different type than their operands. */ ++ && useless_type_conversion_p (TREE_TYPE (lhs), TREE_TYPE (def_rhs))) ++ return forward_propagate_addr_into_variable_array_index (rhs2, def_rhs, ++ use_stmt_gsi); + + return false; + } diff --git a/toolchain/gcc/patches/4.8.3/musl-cross.patch b/toolchain/gcc/patches/4.8.3/musl-cross.patch new file mode 100644 index 000000000..4150dfcdf --- /dev/null +++ b/toolchain/gcc/patches/4.8.3/musl-cross.patch @@ -0,0 +1,633 @@ +diff -Nur gcc-4.8.3.orig/fixincludes/mkfixinc.sh gcc-4.8.3/fixincludes/mkfixinc.sh +--- gcc-4.8.3.orig/fixincludes/mkfixinc.sh 2012-10-28 22:42:48.000000000 +0100 ++++ gcc-4.8.3/fixincludes/mkfixinc.sh 2014-05-23 08:22:46.987415702 +0200 +@@ -19,7 +19,8 @@ + powerpc-*-eabi* | \ + powerpc-*-rtems* | \ + powerpcle-*-eabisim* | \ +- powerpcle-*-eabi* ) ++ powerpcle-*-eabi* | \ ++ *-musl* ) + # IF there is no include fixing, + # THEN create a no-op fixer and exit + (echo "#! /bin/sh" ; echo "exit 0" ) > ${target} +diff -Nur gcc-4.8.3.orig/gcc/config/aarch64/aarch64-linux.h gcc-4.8.3/gcc/config/aarch64/aarch64-linux.h +--- gcc-4.8.3.orig/gcc/config/aarch64/aarch64-linux.h 2013-08-13 15:22:18.000000000 +0200 ++++ gcc-4.8.3/gcc/config/aarch64/aarch64-linux.h 2014-05-23 08:22:46.987415702 +0200 +@@ -21,7 +21,11 @@ + #ifndef GCC_AARCH64_LINUX_H + #define GCC_AARCH64_LINUX_H + ++/* The AArch64 port currently supports two dynamic linkers: ++ - ld-linux-aarch64.so.1 - GLIBC dynamic linker ++ - ld-musl-aarch64.so.1 - musl libc dynamic linker */ + #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux-aarch64.so.1" ++#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-aarch64.so.1" + + #define CPP_SPEC "%{pthread:-D_REENTRANT}" + +diff -Nur gcc-4.8.3.orig/gcc/config/arm/linux-eabi.h gcc-4.8.3/gcc/config/arm/linux-eabi.h +--- gcc-4.8.3.orig/gcc/config/arm/linux-eabi.h 2013-01-10 21:38:27.000000000 +0100 ++++ gcc-4.8.3/gcc/config/arm/linux-eabi.h 2014-05-23 08:22:46.987415702 +0200 +@@ -77,6 +77,23 @@ + %{mfloat-abi=soft*:" GLIBC_DYNAMIC_LINKER_SOFT_FLOAT "} \ + %{!mfloat-abi=*:" GLIBC_DYNAMIC_LINKER_DEFAULT "}" + ++/* For ARM musl currently supports four dynamic linkers: ++ - ld-musl-arm.so.1 - for the EABI-derived soft-float ABI ++ - ld-musl-armhf.so.1 - for the EABI-derived hard-float ABI ++ - ld-musl-armeb.so.1 - for the EABI-derived soft-float ABI, EB ++ - ld-musl-armebhf.so.1 - for the EABI-derived hard-float ABI, EB ++ musl does not support the legacy OABI mode. ++ All the dynamic linkers live in /lib. ++ We default to soft-float, EL. */ ++#undef MUSL_DYNAMIC_LINKER ++#if TARGET_BIG_ENDIAN_DEFAULT ++#define MUSL_DYNAMIC_LINKER_E "%{mlittle-endian:;:eb}" ++#else ++#define MUSL_DYNAMIC_LINKER_E "%{mbig-endian:eb}" ++#endif ++#define MUSL_DYNAMIC_LINKER \ ++ "/lib/ld-musl-arm" MUSL_DYNAMIC_LINKER_E "%{mfloat-abi=hard:hf}.so.1" ++ + /* At this point, bpabi.h will have clobbered LINK_SPEC. We want to + use the GNU/Linux version, not the generic BPABI version. */ + #undef LINK_SPEC +diff -Nur gcc-4.8.3.orig/gcc/config/i386/linux64.h gcc-4.8.3/gcc/config/i386/linux64.h +--- gcc-4.8.3.orig/gcc/config/i386/linux64.h 2013-01-10 21:38:27.000000000 +0100 ++++ gcc-4.8.3/gcc/config/i386/linux64.h 2014-05-23 08:22:46.987415702 +0200 +@@ -30,3 +30,7 @@ + #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 MUSL_DYNAMIC_LINKER32 "/lib/ld-musl-i386.so.1" ++#define MUSL_DYNAMIC_LINKER64 "/lib/ld-musl-x86_64.so.1" ++#define MUSL_DYNAMIC_LINKERX32 "/lib/ld-musl-x32.so.1" +diff -Nur gcc-4.8.3.orig/gcc/config/i386/linux.h gcc-4.8.3/gcc/config/i386/linux.h +--- gcc-4.8.3.orig/gcc/config/i386/linux.h 2013-01-10 21:38:27.000000000 +0100 ++++ gcc-4.8.3/gcc/config/i386/linux.h 2014-05-23 08:22:46.987415702 +0200 +@@ -21,3 +21,4 @@ + + #define GNU_USER_LINK_EMULATION "elf_i386" + #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2" ++#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-i386.so.1" +diff -Nur gcc-4.8.3.orig/gcc/config/linux.h gcc-4.8.3/gcc/config/linux.h +--- gcc-4.8.3.orig/gcc/config/linux.h 2013-01-10 21:38:27.000000000 +0100 ++++ gcc-4.8.3/gcc/config/linux.h 2014-05-23 08:22:46.987415702 +0200 +@@ -32,10 +32,12 @@ + #define OPTION_GLIBC (DEFAULT_LIBC == LIBC_GLIBC) + #define OPTION_UCLIBC (DEFAULT_LIBC == LIBC_UCLIBC) + #define OPTION_BIONIC (DEFAULT_LIBC == LIBC_BIONIC) ++#define OPTION_MUSL (DEFAULT_LIBC == LIBC_MUSL) + #else + #define OPTION_GLIBC (linux_libc == LIBC_GLIBC) + #define OPTION_UCLIBC (linux_libc == LIBC_UCLIBC) + #define OPTION_BIONIC (linux_libc == LIBC_BIONIC) ++#define OPTION_MUSL (linux_libc == LIBC_MUSL) + #endif + + #define GNU_USER_TARGET_OS_CPP_BUILTINS() \ +@@ -53,18 +55,21 @@ + uClibc or Bionic is the default C library and whether + -muclibc or -mglibc or -mbionic has been passed to change the default. */ + +-#define CHOOSE_DYNAMIC_LINKER1(LIBC1, LIBC2, LIBC3, LD1, LD2, LD3) \ +- "%{" LIBC2 ":" LD2 ";:%{" LIBC3 ":" LD3 ";:" LD1 "}}" ++#define CHOOSE_DYNAMIC_LINKER1(LIBC1, LIBC2, LIBC3, LIBC4, LD1, LD2, LD3, LD4) \ ++ "%{" LIBC2 ":" LD2 ";:%{" LIBC3 ":" LD3 ";:%{" LIBC4 ":" LD4 ";:" LD1 "}}}" + + #if DEFAULT_LIBC == LIBC_GLIBC +-#define CHOOSE_DYNAMIC_LINKER(G, U, B) \ +- CHOOSE_DYNAMIC_LINKER1 ("mglibc", "muclibc", "mbionic", G, U, B) ++#define CHOOSE_DYNAMIC_LINKER(G, U, B, M) \ ++ CHOOSE_DYNAMIC_LINKER1 ("mglibc", "muclibc", "mbionic", "mmusl", G, U, B, M) + #elif DEFAULT_LIBC == LIBC_UCLIBC +-#define CHOOSE_DYNAMIC_LINKER(G, U, B) \ +- CHOOSE_DYNAMIC_LINKER1 ("muclibc", "mglibc", "mbionic", U, G, B) ++#define CHOOSE_DYNAMIC_LINKER(G, U, B, M) \ ++ CHOOSE_DYNAMIC_LINKER1 ("muclibc", "mglibc", "mbionic", "mmusl", U, G, B, M) + #elif DEFAULT_LIBC == LIBC_BIONIC +-#define CHOOSE_DYNAMIC_LINKER(G, U, B) \ +- CHOOSE_DYNAMIC_LINKER1 ("mbionic", "mglibc", "muclibc", B, G, U) ++#define CHOOSE_DYNAMIC_LINKER(G, U, B, M) \ ++ CHOOSE_DYNAMIC_LINKER1 ("mbionic", "mglibc", "muclibc", "mmusl", B, G, U, M) ++#elif DEFAULT_LIBC == LIBC_MUSL ++#define CHOOSE_DYNAMIC_LINKER(G, U, B, M) \ ++ CHOOSE_DYNAMIC_LINKER1 ("mmusl", "mglibc", "muclibc", "mbionic", M, G, U, B) + #else + #error "Unsupported DEFAULT_LIBC" + #endif /* DEFAULT_LIBC */ +@@ -84,21 +89,21 @@ + + #define GNU_USER_DYNAMIC_LINKER \ + CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER, \ +- BIONIC_DYNAMIC_LINKER) ++ BIONIC_DYNAMIC_LINKER, MUSL_DYNAMIC_LINKER) + #define GNU_USER_DYNAMIC_LINKER32 \ + CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32, \ +- BIONIC_DYNAMIC_LINKER32) ++ BIONIC_DYNAMIC_LINKER32, MUSL_DYNAMIC_LINKER32) + #define GNU_USER_DYNAMIC_LINKER64 \ + CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64, \ +- BIONIC_DYNAMIC_LINKER64) ++ BIONIC_DYNAMIC_LINKER64, MUSL_DYNAMIC_LINKER64) + #define GNU_USER_DYNAMIC_LINKERX32 \ + CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKERX32, UCLIBC_DYNAMIC_LINKERX32, \ +- BIONIC_DYNAMIC_LINKERX32) ++ BIONIC_DYNAMIC_LINKERX32, MUSL_DYNAMIC_LINKERX32) + + /* Determine whether the entire c99 runtime + is present in the runtime library. */ + #undef TARGET_C99_FUNCTIONS +-#define TARGET_C99_FUNCTIONS (OPTION_GLIBC) ++#define TARGET_C99_FUNCTIONS (OPTION_GLIBC || OPTION_MUSL) + + /* Whether we have sincos that follows the GNU extension. */ + #undef TARGET_HAS_SINCOS +@@ -107,3 +112,74 @@ + /* Whether we have Bionic libc runtime */ + #undef TARGET_HAS_BIONIC + #define TARGET_HAS_BIONIC (OPTION_BIONIC) ++ ++/* musl avoids problematic includes by rearranging the include directories. ++ * Unfortunately, this is mostly duplicated from cppdefault.c */ ++#if DEFAULT_LIBC == LIBC_MUSL ++#define INCLUDE_DEFAULTS_MUSL_GPP \ ++ { GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1, \ ++ GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 0 }, \ ++ { GPLUSPLUS_TOOL_INCLUDE_DIR, "G++", 1, 1, \ ++ GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 1 }, \ ++ { GPLUSPLUS_BACKWARD_INCLUDE_DIR, "G++", 1, 1, \ ++ GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 0 }, ++ ++#ifdef LOCAL_INCLUDE_DIR ++#define INCLUDE_DEFAULTS_MUSL_LOCAL \ ++ { LOCAL_INCLUDE_DIR, 0, 0, 1, 1, 2 }, \ ++ { LOCAL_INCLUDE_DIR, 0, 0, 1, 1, 0 }, ++#else ++#define INCLUDE_DEFAULTS_MUSL_LOCAL ++#endif ++ ++#ifdef PREFIX_INCLUDE_DIR ++#define INCLUDE_DEFAULTS_MUSL_PREFIX \ ++ { PREFIX_INCLUDE_DIR, 0, 0, 1, 0, 0}, ++#else ++#define INCLUDE_DEFAULTS_MUSL_PREFIX ++#endif ++ ++#ifdef CROSS_INCLUDE_DIR ++#define INCLUDE_DEFAULTS_MUSL_CROSS \ ++ { CROSS_INCLUDE_DIR, "GCC", 0, 0, 0, 0}, ++#else ++#define INCLUDE_DEFAULTS_MUSL_CROSS ++#endif ++ ++#ifdef TOOL_INCLUDE_DIR ++#define INCLUDE_DEFAULTS_MUSL_TOOL \ ++ { TOOL_INCLUDE_DIR, "BINUTILS", 0, 1, 0, 0}, ++#else ++#define INCLUDE_DEFAULTS_MUSL_TOOL ++#endif ++ ++#ifdef NATIVE_SYSTEM_HEADER_DIR ++#define INCLUDE_DEFAULTS_MUSL_NATIVE \ ++ { NATIVE_SYSTEM_HEADER_DIR, 0, 0, 0, 1, 2 }, \ ++ { NATIVE_SYSTEM_HEADER_DIR, 0, 0, 0, 1, 0 }, ++#else ++#define INCLUDE_DEFAULTS_MUSL_NATIVE ++#endif ++ ++#if defined (CROSS_DIRECTORY_STRUCTURE) && !defined (TARGET_SYSTEM_ROOT) ++# undef INCLUDE_DEFAULTS_MUSL_LOCAL ++# define INCLUDE_DEFAULTS_MUSL_LOCAL ++# undef INCLUDE_DEFAULTS_MUSL_NATIVE ++# define INCLUDE_DEFAULTS_MUSL_NATIVE ++#else ++# undef INCLUDE_DEFAULTS_MUSL_CROSS ++# define INCLUDE_DEFAULTS_MUSL_CROSS ++#endif ++ ++#undef INCLUDE_DEFAULTS ++#define INCLUDE_DEFAULTS \ ++ { \ ++ INCLUDE_DEFAULTS_MUSL_GPP \ ++ INCLUDE_DEFAULTS_MUSL_PREFIX \ ++ INCLUDE_DEFAULTS_MUSL_CROSS \ ++ INCLUDE_DEFAULTS_MUSL_TOOL \ ++ INCLUDE_DEFAULTS_MUSL_NATIVE \ ++ { GCC_INCLUDE_DIR, "GCC", 0, 1, 0, 0 }, \ ++ { 0, 0, 0, 0, 0, 0 } \ ++ } ++#endif +diff -Nur gcc-4.8.3.orig/gcc/config/linux.opt gcc-4.8.3/gcc/config/linux.opt +--- gcc-4.8.3.orig/gcc/config/linux.opt 2013-01-10 21:38:27.000000000 +0100 ++++ gcc-4.8.3/gcc/config/linux.opt 2014-05-23 08:22:46.987415702 +0200 +@@ -30,3 +30,7 @@ + muclibc + Target Report RejectNegative Var(linux_libc,LIBC_UCLIBC) Negative(mbionic) + Use uClibc C library ++ ++mmusl ++Target Report RejectNegative Var(linux_libc,LIBC_MUSL) Negative(mglibc) ++Use musl C library +diff -Nur gcc-4.8.3.orig/gcc/config/microblaze/linux.h gcc-4.8.3/gcc/config/microblaze/linux.h +--- gcc-4.8.3.orig/gcc/config/microblaze/linux.h 2013-03-14 16:43:23.000000000 +0100 ++++ gcc-4.8.3/gcc/config/microblaze/linux.h 2014-05-23 08:22:46.987415702 +0200 +@@ -25,7 +25,22 @@ + #undef TLS_NEEDS_GOT + #define TLS_NEEDS_GOT 1 + +-#define DYNAMIC_LINKER "/lib/ld.so.1" ++#if TARGET_BIG_ENDIAN_DEFAULT == 0 /* LE */ ++#define MUSL_DYNAMIC_LINKER_E "%{EB:;:el}" ++#else ++#define MUSL_DYNAMIC_LINKER_E "%{EL:el}" ++#endif ++ ++#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-microblaze" MUSL_DYNAMIC_LINKER_E ".so.1" ++#define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1" ++ ++#if DEFAULT_LIBC == LIBC_MUSL ++#define DYNAMIC_LINKER MUSL_DYNAMIC_LINKER ++#else ++#define DYNAMIC_LINKER GLIBC_DYNAMIC_LINKER ++#endif ++ ++ + #undef SUBTARGET_EXTRA_SPECS + #define SUBTARGET_EXTRA_SPECS \ + { "dynamic_linker", DYNAMIC_LINKER } +diff -Nur gcc-4.8.3.orig/gcc/config/mips/linux.h gcc-4.8.3/gcc/config/mips/linux.h +--- gcc-4.8.3.orig/gcc/config/mips/linux.h 2013-01-10 21:38:27.000000000 +0100 ++++ gcc-4.8.3/gcc/config/mips/linux.h 2014-05-23 08:22:48.643418636 +0200 +@@ -18,3 +18,10 @@ + <http://www.gnu.org/licenses/>. */ + + #define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1" ++ ++#if TARGET_ENDIAN_DEFAULT == 0 /* LE */ ++#define MUSL_DYNAMIC_LINKER_E "%{EB:;:el}" ++#else ++#define MUSL_DYNAMIC_LINKER_E "%{EL:el}" ++#endif ++#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-mips" MUSL_DYNAMIC_LINKER_E ".so.1" +diff -Nur gcc-4.8.3.orig/gcc/config/rs6000/linux64.h gcc-4.8.3/gcc/config/rs6000/linux64.h +--- gcc-4.8.3.orig/gcc/config/rs6000/linux64.h 2014-04-04 17:10:24.000000000 +0200 ++++ gcc-4.8.3/gcc/config/rs6000/linux64.h 2014-05-23 08:22:48.643418636 +0200 +@@ -374,17 +374,21 @@ + #endif + #define UCLIBC_DYNAMIC_LINKER32 "/lib/ld-uClibc.so.0" + #define UCLIBC_DYNAMIC_LINKER64 "/lib/ld64-uClibc.so.0" ++#define MUSL_DYNAMIC_LINKER32 "/lib/ld-musl-powerpc.so.1" ++#define MUSL_DYNAMIC_LINKER64 "/lib/ld-musl-powerpc64.so.1" + #if DEFAULT_LIBC == LIBC_UCLIBC +-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:" G ";:" U "}" ++#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{mglibc:" G ";:%{mmusl:" M ";:" U "}}" + #elif DEFAULT_LIBC == LIBC_GLIBC +-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:" U ";:" G "}" ++#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{muclibc:" U ";:%{mmusl:" M ";:" G "}}" ++#elif DEFAULT_LIBC == LIBC_MUSL ++#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{mglibc:" G ";:%{muclibc:" U ";:" M "}}" + #else + #error "Unsupported DEFAULT_LIBC" + #endif + #define GNU_USER_DYNAMIC_LINKER32 \ +- CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32) ++ CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32, MUSL_DYNAMIC_LINKER32) + #define GNU_USER_DYNAMIC_LINKER64 \ +- CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64) ++ CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64, MUSL_DYNAMIC_LINKER64) + + #undef DEFAULT_ASM_ENDIAN + #if (TARGET_DEFAULT & MASK_LITTLE_ENDIAN) +diff -Nur gcc-4.8.3.orig/gcc/config/rs6000/secureplt.h gcc-4.8.3/gcc/config/rs6000/secureplt.h +--- gcc-4.8.3.orig/gcc/config/rs6000/secureplt.h 2013-01-10 21:38:27.000000000 +0100 ++++ gcc-4.8.3/gcc/config/rs6000/secureplt.h 2014-05-23 08:22:48.643418636 +0200 +@@ -18,3 +18,4 @@ + <http://www.gnu.org/licenses/>. */ + + #define CC1_SECURE_PLT_DEFAULT_SPEC "-msecure-plt" ++#define LINK_SECURE_PLT_DEFAULT_SPEC "--secure-plt" +diff -Nur gcc-4.8.3.orig/gcc/config/rs6000/sysv4.h gcc-4.8.3/gcc/config/rs6000/sysv4.h +--- gcc-4.8.3.orig/gcc/config/rs6000/sysv4.h 2014-04-04 16:50:31.000000000 +0200 ++++ gcc-4.8.3/gcc/config/rs6000/sysv4.h 2014-05-23 08:22:48.643418636 +0200 +@@ -537,6 +537,9 @@ + #ifndef CC1_SECURE_PLT_DEFAULT_SPEC + #define CC1_SECURE_PLT_DEFAULT_SPEC "" + #endif ++#ifndef LINK_SECURE_PLT_DEFAULT_SPEC ++#define LINK_SECURE_PLT_DEFAULT_SPEC "" ++#endif + + /* Pass -G xxx to the compiler. */ + #define CC1_SPEC "%{G*} %(cc1_cpu)" \ +@@ -585,7 +588,8 @@ + + /* Override the default target of the linker. */ + #define LINK_TARGET_SPEC \ +- ENDIAN_SELECT("", " --oformat elf32-powerpcle", "") ++ ENDIAN_SELECT("", " --oformat elf32-powerpcle", "") \ ++ "%{!mbss-plt: %{!msecure-plt: %(link_secure_plt_default)}}" + + /* Any specific OS flags. */ + #define LINK_OS_SPEC "\ +@@ -763,15 +767,18 @@ + + #define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1" + #define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0" ++#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-powerpc.so.1" + #if DEFAULT_LIBC == LIBC_UCLIBC +-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:" G ";:" U "}" ++#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{mglibc:" G ";:%{mmusl:" M ";:" U "}}" ++#elif DEFAULT_LIBC == LIBC_MUSL ++#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{mglibc:" G ";:%{muclibc:" U ";:" M "}}" + #elif !defined (DEFAULT_LIBC) || DEFAULT_LIBC == LIBC_GLIBC +-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:" U ";:" G "}" ++#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{muclibc:" U ";:%{mmusl:" M ";:" G "}}" + #else + #error "Unsupported DEFAULT_LIBC" + #endif + #define GNU_USER_DYNAMIC_LINKER \ +- CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER) ++ CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER, MUSL_DYNAMIC_LINKER) + + #define LINK_OS_LINUX_SPEC "-m elf32ppclinux %{!shared: %{!static: \ + %{rdynamic:-export-dynamic} \ +@@ -894,6 +901,7 @@ + { "link_os_openbsd", LINK_OS_OPENBSD_SPEC }, \ + { "link_os_default", LINK_OS_DEFAULT_SPEC }, \ + { "cc1_secure_plt_default", CC1_SECURE_PLT_DEFAULT_SPEC }, \ ++ { "link_secure_plt_default", LINK_SECURE_PLT_DEFAULT_SPEC }, \ + { "cpp_os_ads", CPP_OS_ADS_SPEC }, \ + { "cpp_os_yellowknife", CPP_OS_YELLOWKNIFE_SPEC }, \ + { "cpp_os_mvme", CPP_OS_MVME_SPEC }, \ +diff -Nur gcc-4.8.3.orig/gcc/config/sh/linux.h gcc-4.8.3/gcc/config/sh/linux.h +--- gcc-4.8.3.orig/gcc/config/sh/linux.h 2013-03-14 04:01:53.000000000 +0100 ++++ gcc-4.8.3/gcc/config/sh/linux.h 2014-05-23 08:22:48.643418636 +0200 +@@ -43,7 +43,14 @@ + + #define TARGET_ASM_FILE_END file_end_indicate_exec_stack + ++#if TARGET_ENDIAN_DEFAULT == 0 /* BE */ ++#define MUSL_DYNAMIC_LINKER_E "eb" ++#else ++#define MUSL_DYNAMIC_LINKER_E ++#endif ++ + #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2" ++#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-sh" MUSL_DYNAMIC_LINKER_E ".so.1" + + #undef SUBTARGET_LINK_EMUL_SUFFIX + #define SUBTARGET_LINK_EMUL_SUFFIX "_linux" +diff -Nur gcc-4.8.3.orig/gcc/config.gcc gcc-4.8.3/gcc/config.gcc +--- gcc-4.8.3.orig/gcc/config.gcc 2014-05-06 17:29:04.000000000 +0200 ++++ gcc-4.8.3/gcc/config.gcc 2014-05-23 08:22:49.895420854 +0200 +@@ -550,7 +550,7 @@ + esac + + # Common C libraries. +-tm_defines="$tm_defines LIBC_GLIBC=1 LIBC_UCLIBC=2 LIBC_BIONIC=3" ++tm_defines="$tm_defines LIBC_GLIBC=1 LIBC_UCLIBC=2 LIBC_BIONIC=3 LIBC_MUSL=4" + + # Common parts for widely ported systems. + case ${target} in +@@ -653,6 +653,9 @@ + *-*-*uclibc*) + tm_defines="$tm_defines DEFAULT_LIBC=LIBC_UCLIBC" + ;; ++ *-*-*musl*) ++ tm_defines="$tm_defines DEFAULT_LIBC=LIBC_MUSL" ++ ;; + *) + tm_defines="$tm_defines DEFAULT_LIBC=LIBC_GLIBC" + ;; +@@ -2135,6 +2138,10 @@ + powerpc*-*-linux*paired*) + tm_file="${tm_file} rs6000/750cl.h" ;; + esac ++ case ${target} in ++ *-linux*-musl*) ++ enable_secureplt=yes ;; ++ esac + if test x${enable_secureplt} = xyes; then + tm_file="rs6000/secureplt.h ${tm_file}" + fi +diff -Nur gcc-4.8.3.orig/gcc/configure gcc-4.8.3/gcc/configure +--- gcc-4.8.3.orig/gcc/configure 2014-04-28 12:05:29.000000000 +0200 ++++ gcc-4.8.3/gcc/configure 2014-05-23 08:22:49.903420868 +0200 +@@ -26821,6 +26821,9 @@ + else + gcc_cv_libc_provides_ssp=no + case "$target" in ++ *-*-musl*) ++ # All versions of musl provide stack protector ++ gcc_cv_libc_provides_ssp=yes;; + *-*-linux* | *-*-kfreebsd*-gnu | *-*-knetbsd*-gnu) + # glibc 2.4 and later provides __stack_chk_fail and + # either __stack_chk_guard, or TLS access to stack guard canary. +@@ -26854,6 +26857,7 @@ + # <http://gcc.gnu.org/ml/gcc/2008-10/msg00130.html>) and for now + # simply assert that glibc does provide this, which is true for all + # realistically usable GNU/Hurd configurations. ++ # All supported versions of musl provide it as well + gcc_cv_libc_provides_ssp=yes;; + *-*-darwin* | *-*-freebsd*) + ac_fn_c_check_func "$LINENO" "__stack_chk_fail" "ac_cv_func___stack_chk_fail" +@@ -26936,6 +26940,9 @@ + gcc_cv_target_dl_iterate_phdr=no + fi + ;; ++ *-linux-musl*) ++ gcc_cv_target_dl_iterate_phdr=yes ++ ;; + esac + + if test x$gcc_cv_target_dl_iterate_phdr = xyes; then +diff -Nur gcc-4.8.3.orig/gcc/configure.ac gcc-4.8.3/gcc/configure.ac +--- gcc-4.8.3.orig/gcc/configure.ac 2014-04-28 12:05:29.000000000 +0200 ++++ gcc-4.8.3/gcc/configure.ac 2014-05-23 08:22:49.903420868 +0200 +@@ -4750,6 +4750,9 @@ + gcc_cv_libc_provides_ssp, + [gcc_cv_libc_provides_ssp=no + case "$target" in ++ *-*-musl*) ++ # All versions of musl provide stack protector ++ gcc_cv_libc_provides_ssp=yes;; + *-*-linux* | *-*-kfreebsd*-gnu | *-*-knetbsd*-gnu) + [# glibc 2.4 and later provides __stack_chk_fail and + # either __stack_chk_guard, or TLS access to stack guard canary. +@@ -4783,6 +4786,7 @@ + # <http://gcc.gnu.org/ml/gcc/2008-10/msg00130.html>) and for now + # simply assert that glibc does provide this, which is true for all + # realistically usable GNU/Hurd configurations. ++ # All supported versions of musl provide it as well + gcc_cv_libc_provides_ssp=yes;; + *-*-darwin* | *-*-freebsd*) + AC_CHECK_FUNC(__stack_chk_fail,[gcc_cv_libc_provides_ssp=yes], +@@ -4848,6 +4852,9 @@ + gcc_cv_target_dl_iterate_phdr=no + fi + ;; ++ *-linux-musl*) ++ gcc_cv_target_dl_iterate_phdr=yes ++ ;; + esac + GCC_TARGET_TEMPLATE([TARGET_DL_ITERATE_PHDR]) + if test x$gcc_cv_target_dl_iterate_phdr = xyes; then +diff -Nur gcc-4.8.3.orig/gcc/ginclude/stddef.h gcc-4.8.3/gcc/ginclude/stddef.h +--- gcc-4.8.3.orig/gcc/ginclude/stddef.h 2013-01-10 21:38:27.000000000 +0100 ++++ gcc-4.8.3/gcc/ginclude/stddef.h 2014-05-23 08:22:49.903420868 +0200 +@@ -181,6 +181,7 @@ + #ifndef _GCC_SIZE_T + #ifndef _SIZET_ + #ifndef __size_t ++#ifndef __DEFINED_size_t /* musl */ + #define __size_t__ /* BeOS */ + #define __SIZE_T__ /* Cray Unicos/Mk */ + #define _SIZE_T +@@ -197,6 +198,7 @@ + #define ___int_size_t_h + #define _GCC_SIZE_T + #define _SIZET_ ++#define __DEFINED_size_t /* musl */ + #if (defined (__FreeBSD__) && (__FreeBSD__ >= 5)) \ + || defined(__FreeBSD_kernel__) + /* __size_t is a typedef on FreeBSD 5, must not trash it. */ +@@ -214,6 +216,7 @@ + typedef long ssize_t; + #endif /* __BEOS__ */ + #endif /* !(defined (__GNUG__) && defined (size_t)) */ ++#endif /* __DEFINED_size_t */ + #endif /* __size_t */ + #endif /* _SIZET_ */ + #endif /* _GCC_SIZE_T */ +diff -Nur gcc-4.8.3.orig/libgcc/unwind-dw2-fde-dip.c gcc-4.8.3/libgcc/unwind-dw2-fde-dip.c +--- gcc-4.8.3.orig/libgcc/unwind-dw2-fde-dip.c 2013-02-04 20:06:20.000000000 +0100 ++++ gcc-4.8.3/libgcc/unwind-dw2-fde-dip.c 2014-05-23 08:22:49.955420959 +0200 +@@ -46,33 +46,13 @@ + #include "unwind-compat.h" + #include "gthr.h" + +-#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \ +- && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2) \ +- || (__GLIBC__ == 2 && __GLIBC_MINOR__ == 2 && defined(DT_CONFIG))) +-# define USE_PT_GNU_EH_FRAME +-#endif +- +-#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \ +- && defined(__BIONIC__) +-# define USE_PT_GNU_EH_FRAME +-#endif +- +-#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \ +- && defined(__FreeBSD__) && __FreeBSD__ >= 7 +-# define ElfW __ElfN +-# define USE_PT_GNU_EH_FRAME +-#endif +- +-#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \ +- && defined(__OpenBSD__) +-# define ElfW(type) Elf_##type +-# define USE_PT_GNU_EH_FRAME +-#endif +- +-#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \ +- && defined(TARGET_DL_ITERATE_PHDR) \ +- && defined(__sun__) && defined(__svr4__) ++#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) && defined(TARGET_DL_ITERATE_PHDR) + # define USE_PT_GNU_EH_FRAME ++# ifdef __OpenBSD__ ++# define ElfW(type) Elf_##typ ++# elif defined(__FreeBSD__) && __FreeBSD__ >= 7 ++# define ElfW __ElfN ++# endif + #endif + + #if defined(USE_PT_GNU_EH_FRAME) +diff -Nur gcc-4.8.3.orig/libgomp/config/posix/time.c gcc-4.8.3/libgomp/config/posix/time.c +--- gcc-4.8.3.orig/libgomp/config/posix/time.c 2013-01-14 19:18:49.000000000 +0100 ++++ gcc-4.8.3/libgomp/config/posix/time.c 2014-05-23 08:22:49.975420996 +0200 +@@ -28,6 +28,8 @@ + The following implementation uses the most simple POSIX routines. + If present, POSIX 4 clocks should be used instead. */ + ++#define _POSIX_C_SOURCE 199309L /* for clocks */ ++ + #include "libgomp.h" + #include <unistd.h> + #if TIME_WITH_SYS_TIME +diff -Nur gcc-4.8.3.orig/libitm/config/arm/hwcap.cc gcc-4.8.3/libitm/config/arm/hwcap.cc +--- gcc-4.8.3.orig/libitm/config/arm/hwcap.cc 2013-02-03 18:46:11.000000000 +0100 ++++ gcc-4.8.3/libitm/config/arm/hwcap.cc 2014-05-23 08:22:49.979421003 +0200 +@@ -40,7 +40,11 @@ + + #ifdef __linux__ + #include <unistd.h> ++#ifdef __GLIBC__ + #include <sys/fcntl.h> ++#else ++#include <fcntl.h> ++#endif + #include <elf.h> + + static void __attribute__((constructor)) +diff -Nur gcc-4.8.3.orig/libitm/config/linux/x86/tls.h gcc-4.8.3/libitm/config/linux/x86/tls.h +--- gcc-4.8.3.orig/libitm/config/linux/x86/tls.h 2013-02-03 18:46:11.000000000 +0100 ++++ gcc-4.8.3/libitm/config/linux/x86/tls.h 2014-05-23 08:22:49.999421038 +0200 +@@ -25,16 +25,19 @@ + #ifndef LIBITM_X86_TLS_H + #define LIBITM_X86_TLS_H 1 + +-#if defined(__GLIBC_PREREQ) && __GLIBC_PREREQ(2, 10) ++#if defined(__GLIBC_PREREQ) ++#if __GLIBC_PREREQ(2, 10) + /* Use slots in the TCB head rather than __thread lookups. + GLIBC has reserved words 10 through 13 for TM. */ + #define HAVE_ARCH_GTM_THREAD 1 + #define HAVE_ARCH_GTM_THREAD_DISP 1 + #endif ++#endif + + #include "config/generic/tls.h" + +-#if defined(__GLIBC_PREREQ) && __GLIBC_PREREQ(2, 10) ++#if defined(__GLIBC_PREREQ) ++#if __GLIBC_PREREQ(2, 10) + namespace GTM HIDDEN { + + #ifdef __x86_64__ +@@ -101,5 +104,6 @@ + + } // namespace GTM + #endif /* >= GLIBC 2.10 */ ++#endif + + #endif // LIBITM_X86_TLS_H +diff -Nur gcc-4.8.3.orig/libstdc++-v3/configure.host gcc-4.8.3/libstdc++-v3/configure.host +--- gcc-4.8.3.orig/libstdc++-v3/configure.host 2013-06-19 03:18:38.000000000 +0200 ++++ gcc-4.8.3/libstdc++-v3/configure.host 2014-05-23 08:22:50.015421065 +0200 +@@ -264,6 +264,13 @@ + os_include_dir="os/bsd/freebsd" + ;; + gnu* | linux* | kfreebsd*-gnu | knetbsd*-gnu) ++ # check for musl by target ++ case "${host_os}" in ++ *-musl*) ++ os_include_dir="os/generic" ++ ;; ++ *) ++ + if [ "$uclibc" = "yes" ]; then + os_include_dir="os/uclibc" + elif [ "$bionic" = "yes" ]; then +@@ -272,6 +279,9 @@ + os_include_dir="os/gnu-linux" + fi + ;; ++ ++ esac ++ ;; + hpux*) + os_include_dir="os/hpux" + ;; diff --git a/toolchain/gcc/patches/4.8.3/musl-stubs.patch b/toolchain/gcc/patches/4.8.3/musl-stubs.patch new file mode 100644 index 000000000..35050fd9c --- /dev/null +++ b/toolchain/gcc/patches/4.8.3/musl-stubs.patch @@ -0,0 +1,49 @@ +diff -Nur gcc-4.8.2.orig/gcc/config/m68k/linux.h gcc-4.8.2/gcc/config/m68k/linux.h +--- gcc-4.8.2.orig/gcc/config/m68k/linux.h 2013-01-10 21:38:27.000000000 +0100 ++++ gcc-4.8.2/gcc/config/m68k/linux.h 2014-02-24 10:19:00.214399704 +0100 +@@ -72,6 +72,7 @@ + done. */ + + #define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1" ++#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-m68k.so.1" + + #undef LINK_SPEC + #define LINK_SPEC "-m m68kelf %{shared} \ +diff -Nur gcc-4.8.2.orig/gcc/config/mips/linux64.h gcc-4.8.2/gcc/config/mips/linux64.h +--- gcc-4.8.2.orig/gcc/config/mips/linux64.h 2013-01-10 21:38:27.000000000 +0100 ++++ gcc-4.8.2/gcc/config/mips/linux64.h 2014-02-24 10:19:47.238583895 +0100 +@@ -27,6 +27,9 @@ + #define GLIBC_DYNAMIC_LINKERN32 "/lib32/ld.so.1" + #define UCLIBC_DYNAMIC_LINKERN32 "/lib32/ld-uClibc.so.0" + #define BIONIC_DYNAMIC_LINKERN32 "/system/bin/linker32" ++#define MUSL_DYNAMIC_LINKER32 "/lib/ld-musl-mips.so.1" ++#define MUSL_DYNAMIC_LINKERN32 "/lib/ld-musl-mips.so.1" ++#define MUSL_DYNAMIC_LINKER64 "/lib/ld-musl-mips.so.1" + #define GNU_USER_DYNAMIC_LINKERN32 \ + CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKERN32, UCLIBC_DYNAMIC_LINKERN32, \ +- BIONIC_DYNAMIC_LINKERN32) ++ BIONIC_DYNAMIC_LINKERN32, MUSL_DYNAMIC_LINKERN32) +diff -Nur gcc-4.8.2.orig/gcc/config/sparc/linux64.h gcc-4.8.2/gcc/config/sparc/linux64.h +--- gcc-4.8.2.orig/gcc/config/sparc/linux64.h 2013-01-10 21:38:27.000000000 +0100 ++++ gcc-4.8.2/gcc/config/sparc/linux64.h 2014-02-24 10:20:49.414827006 +0100 +@@ -94,6 +94,9 @@ + + #define GLIBC_DYNAMIC_LINKER32 "/lib/ld-linux.so.2" + #define GLIBC_DYNAMIC_LINKER64 "/lib64/ld-linux.so.2" ++#define MUSL_DYNAMIC_LINKER32 "/lib/ld-musl-sparc.so.1" ++#define MUSL_DYNAMIC_LINKER64 "/lib/ld-musl-sparc.so.1" ++ + + #ifdef SPARC_BI_ARCH + +diff -Nur gcc-4.8.2.orig/gcc/config/sparc/linux.h gcc-4.8.2/gcc/config/sparc/linux.h +--- gcc-4.8.2.orig/gcc/config/sparc/linux.h 2013-01-10 21:38:27.000000000 +0100 ++++ gcc-4.8.2/gcc/config/sparc/linux.h 2014-02-24 10:21:14.342924339 +0100 +@@ -84,6 +84,7 @@ + done. */ + + #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2" ++#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-sparc.so.1" + + #undef LINK_SPEC + #define LINK_SPEC "-m elf32_sparc %{shared:-shared} \ |