Merge pull request #1163 from stilor/docker-fixes

Fix build on CentOS6/7

config/comp_tools/bison.in

@@ -0,0 +1 @@
+# GNU bison

config/comp_tools/make.in

@@ -3,6 +3,7 @@
 ## default y if !CONFIGURE_has_make_3_81_or_newer
 
 config MAKE_GMAKE_SYMLINK
-    bool
-    prompt "Add gmake symlink to companion gnu/make"
-    depends on COMP_TOOLS_MAKE
+    bool "Create 'gmake' symlink"
+
+config MAKE_GNUMAKE_SYMLINK
+    bool "Create 'gnumake' symlink"

config/configure.in.in

@@ -3,6 +3,9 @@
 config CONFIGURE_has_static_link
     @KCONFIG_static_link@
 
+config CONFIGURE_has_cxx11
+    @KCONFIG_has_cxx11@
+
 config CONFIGURE_has_lzip
     @KCONFIG_lzip@
 
@@ -15,6 +18,9 @@ config CONFIGURE_has_curl
 config CONFIGURE_has_make_3_81_or_newer
     @KCONFIG_make_3_81_or_newer@
 
+config CONFIGURE_has_make_4_0_or_newer
+    @KCONFIG_make_4_0_or_newer@
+
 config CONFIGURE_has_libtool_2_4_or_newer
     @KCONFIG_libtool_2_4_or_newer@
 
@@ -33,6 +39,15 @@ config CONFIGURE_has_automake_1_15_or_newer
 config CONFIGURE_has_gnu_m4_1_4_12_or_newer
     @KCONFIG_gnu_m4_1_4_12_or_newer@
 
+config CONFIGURE_has_python_3_4_or_newer
+    @KCONFIG_python_3_4_or_newer@
+
+config CONFIGURE_has_bison_2_7_or_newer
+    @KCONFIG_bison_2_7_or_newer@
+
+config CONFIGURE_has_python
+    @KCONFIG_python@
+
 config CONFIGURE_has_dtc
     @KCONFIG_dtc@
 

config/debug/gdb.in

@@ -4,7 +4,6 @@
 
 source "config/debug/gdb.in.cross"
 source "config/debug/gdb.in.native"
-source "config/debug/gdb.in.gdbserver"
 
 config GDB_HAS_PKGVERSION_BUGURL
     bool
@@ -24,3 +23,20 @@ config GDB_INSTALL_GDBINIT
 config GDB_HAS_DISABLE_CXX_BUILD
     def_bool y
     depends on GDB_7_12_or_later && !GDB_8_0_or_later
+
+# GDB 8.0 requires not just any C++, but recent enough to support C++11.
+# Yes, in 2019 there are still LTS systems still lacking such support.
+# I am looking at you, CentOS 6: no cookie for you, use an older GDB.
+config GDB_DEP_CXX11
+    def_bool y
+    depends on !CONFIGURE_has_cxx11
+    select GDB_REQUIRE_older_than_8_0
+
+config GDB_HAS_IPA_LIB
+    def_bool y
+    depends on GDB_7_2_or_later
+
+# Does GDB need ps_get_thread_area with const qualifier?
+config GDB_CONST_GET_THREAD_AREA
+    bool
+    default y if GDB_older_than_7_12

config/debug/gdb.in.gdbserver

@@ -1,71 +0,0 @@
-# Menu for the native gdbserver
-
-config GDB_GDBSERVER
-    bool
-    prompt "gdbserver"
-    default y
-    depends on ! BARE_METAL
-    select LIBC_UCLIBC_WCHAR if LIBC_UCLIBC && GDB_8_0_or_later
-    help
-      Build and install a gdbserver for the target, to run on the target.
-
-if GDB_GDBSERVER
-
-config GDB_GDBSERVER_HAS_IPA_LIB
-    bool
-    depends on GDB_7_2_or_later
-    default y
-
-config GDB_GDBSERVER_STATIC
-    bool
-    prompt "Build a static gdbserver"
-    depends on EXPERIMENTAL
-    help
-      In case you have trouble with dynamic loading of shared libraries,
-      you will find that a static gdbserver comes in handy.
-
-      However, it has been noticed at least on x86 that enabling this
-      option produces an invalid gdbserver binary. It is linked with
-      "-static -Wl,--dynamic-list=..." which
-      # (a) requests invalid program interpreter
-      # (b) crashes glibc/uClibc-ng and does not work with musl
-      # See https://sourceware.org/ml/libc-alpha/2017-03/msg00267.html
-
-      It is possible it would work with other architectures, hence it is
-      not completely removed. Use with care and report to the mailing list
-      if the resulting gdbserver works.
-
-      For further details, see:
-      https://sourceware.org/bugzilla/show_bug.cgi?id=19617
-      https://sourceware.org/bugzilla/show_bug.cgi?id=21086
-
-config GDB_GDBSERVER_STATIC_LIBSTDCXX
-    bool
-    prompt "Link against static libstdc+++"
-    depends on !GDB_GDBSERVER_STATIC
-    default n
-    help
-      Say 'y' if you do not want gdbserver to require libstdc++.so on the
-      target.
-
-config GDB_GDBSERVER_BUILD_IPA_LIB
-    bool
-    prompt "Build the IPA library"
-    depends on GDB_GDBSERVER_HAS_IPA_LIB && !GDB_GDBSERVER_STATIC
-    help
-      gdbserver >= 7.2 comes with an optional library to use tracepoints,
-      the In Process Agent (IPA) library, libinproctrace.so.
-      
-      Say 'y' if you indend to use tracepoints when debugging your
-      programs with gdbserver.
-      
-      Note: Currently, building this library is not possible when the
-            gdbserver is built statically. This is a limitation in
-            crosstool-NG, so do not bug upstream about it...
-
-endif # GDB_GDBSERVER
-
-if BARE_METAL
-comment "In bare-metal, you'll need to   "
-comment "provide your own gdbserver stub."
-endif # BARE_METAL

config/debug/gdb.in.native

@@ -1,4 +1,4 @@
-# Menu for the native GDB
+# Menu for the native GDB binaries (GDB itself and gdbserver)
 
 config GDB_NATIVE
     bool
@@ -12,11 +12,35 @@ config GDB_NATIVE
     help
       Build and install a native gdb for the target, to run on the target.
 
-if GDB_NATIVE
+config GDB_GDBSERVER
+    bool
+    prompt "gdbserver"
+    default y
+    depends on ! BARE_METAL
+    select LIBC_UCLIBC_WCHAR if LIBC_UCLIBC && GDB_8_0_or_later
+    help
+      Build and install a gdbserver for the target, to run on the target.
+
+if GDB_NATIVE || GDB_GDBSERVER
+
+config GDB_NATIVE_BUILD_IPA_LIB
+    bool
+    prompt "Build the IPA library"
+    depends on GDB_HAS_IPA_LIB && !GDB_NATIVE_STATIC
+    help
+      gdbserver >= 7.2 comes with an optional library to use tracepoints,
+      the In Process Agent (IPA) library, libinproctrace.so.
+      
+      Say 'y' if you intend to use tracepoints when debugging your
+      programs with gdbserver.
+      
+      Note: Currently, building this library is not possible when the
+            gdbserver is built statically. This is a limitation in
+            crosstool-NG, so do not bug upstream about it...
 
 config GDB_NATIVE_STATIC
     bool
-    prompt "Build a static native gdb"
+    prompt "Build a static gdb binaries"
     depends on EXPERIMENTAL
     help
       In case you have trouble with dynamic loading of shared libraries,
@@ -31,10 +55,24 @@ config GDB_NATIVE_STATIC
 
       It is possible it would work with other architectures, hence it is
       not completely removed. Use with care and report to the mailing list
-      if the resulting gdbserver works.
+      if the resulting binaries work.
 
       For further details, see:
       https://sourceware.org/bugzilla/show_bug.cgi?id=19617
       https://sourceware.org/bugzilla/show_bug.cgi?id=21086
 
+config GDB_NATIVE_STATIC_LIBSTDCXX
+    bool
+    prompt "Link against static libstdc+++"
+    depends on !GDB_NATIVE_STATIC
+    default n
+    help
+      Say 'y' if you do not want gdbserver to require libstdc++.so on the
+      target.
+
 endif # GDB_NATIVE
+
+if BARE_METAL
+comment "In bare-metal, you'll need to   "
+comment "provide your own gdbserver stub."
+endif # BARE_METAL

config/libc/glibc.in

@@ -23,8 +23,8 @@ endif
 
 # Glibc has some dependencies on the kernel headers:
 config GLIBC_DEP_KERNEL_HEADERS_VERSION
-	def_bool y
-	select LINUX_REQUIRE_3_2_or_later if GLIBC_2_24_or_later
+    def_bool y
+    select LINUX_REQUIRE_3_2_or_later if GLIBC_2_24_or_later
 
 # Glibc 2.26 requires at least binutils 2.25.
 # Also, binutils 2.30 fail while compiling aarch64 glibc; fixed in 2.27
@@ -35,6 +35,33 @@ config GLIBC_DEP_BINUTILS
     select BINUTILS_REQUIRE_2_25_or_later if GLIBC_2_26_or_later
     select BINUTILS_REQUIRE_older_than_2_30 if GLIBC_older_than_2_26 && ARCH_ARM && ARCH_64
 
+# Glibc 2.29 requires GCC5+ or, for ppc64le, GCC6.2+. We only support the latest
+# release on GCC6 branch, so just assume it is newer than 6.2
+config GLIBC_DEP_GCC
+    def_bool y
+    select GCC_REQUIRE_5_or_later if GLIBC_2_29_or_later
+    select GCC_REQUIRE_6_or_later if GLIBC_2_29_or_later && ARCH_POWERPC && ARCH_64 && ARCH_LE
+
+# Glibc 2.29 requires bison 2.7 or later. All versions in ct-ng satisfy that
+# version requirement.
+config GLIBC_DEP_BISON
+    def_bool y
+    depends on GLIBC_2_29_or_later && !CONFIGURE_has_bison_2_7_or_newer
+    select COMP_TOOLS_BISON
+
+# Glibc 2.29 now requires Python 3.4 or later, and make 4.0 or later. Ensure
+# we build 'make' as a companion tool if host's make isn't new enough.
+config GLIBC_DEP_PYTHON
+    def_bool y
+    select GLIBC_REQUIRE_older_than_2_29 if !CONFIGURE_has_python_3_4_or_newer
+
+config GLIBC_DEP_MAKE_4_0
+    def_bool y
+    depends on GLIBC_2_29_or_later && !CONFIGURE_has_make_4_0_or_newer
+    select COMP_TOOLS_MAKE
+    select MAKE_REQUIRE_4_0_or_later
+    select MAKE_GNUMAKE_SYMLINK # Override old host make in .build/tools/bin
+
 config GLIBC_DEP_GCC
     def_bool y
     select GCC_REQUIRE_4_9_or_later if GLIBC_2_26_or_later

configure.ac

@@ -97,6 +97,9 @@ AC_PROG_YACC
 AS_IF([test -z "$CC" -o -z "$CXX"],
       [AC_MSG_ERROR([no suitable compiler found])])
 
+AX_CXX_COMPILE_STDCXX([11],, [optional])
+CTNG_SET_KCONFIG_OPTION([has_cxx11], [${HAVE_CXX11}])
+
 # Check to see if the compiler can link statically
 AC_MSG_CHECKING([if $CC can static link])
 echo "int main() {}" | ${CC} -static -o /dev/null -xc - > /dev/null 2>&1
@@ -113,7 +116,6 @@ AC_PROG_RANLIB
 CTNG_PATH_TOOL_REQ([OBJCOPY], [gobjcopy objcopy], [objcopy])
 CTNG_PATH_TOOL_REQ([OBJDUMP], [gobjdump objdump], [objdump])
 CTNG_PATH_TOOL_REQ([READELF], [greadelf readelf], [readelf])
-CTNG_PATH_TOOL_REQ([BISON], [bison], [bison])
 
 CTNG_CHECK_PROGS_REQ([flex], [flex])
 CTNG_CHECK_PROGS_REQ([makeinfo], [makeinfo])
@@ -182,6 +184,13 @@ CTNG_PROG_VERSION_REQ_ANY([MAKE],
     [^GNU Make (3\.8[1-9]|3\.9[0-9]|[4-9]\.)],
     [make_3_81_or_newer])
 
+CTNG_PROG_VERSION_REQ_ANY([MAKE],
+    [GNU make >= 4.0],
+    [make],
+    [gmake make],
+    [^GNU Make [4-9]\.],
+    [make_4_0_or_newer])
+
 # Check other companion tools that we may or may not build.
 CTNG_PROG_VERSION_REQ_ANY([LIBTOOL],
     [GNU libtool >= 2.4],
@@ -225,6 +234,27 @@ CTNG_PROG_VERSION([M4],
     [\(GNU M4\) ([2-9]\.|1\.[5-9]|1\.[1-4][0-9]|1\.4\.[2-9][0-9]|1\.4\.1[2-9])],
     [gnu_m4_1_4_12_or_newer])
 
+CTNG_PROG_VERSION([PYTHON],
+    [Python],
+    [python],
+    [python37 python3.7 python36 python3.6 python35 python3.5 python34 python3.4 python33 python3.3 python32 python3.2 python31 python3.1 python3 python27 python2.7 python26 python2.6 python2 python],
+    [^Python [23]\.],
+    [python])
+
+CTNG_PROG_VERSION([PYTHON],
+    [Python >= 3.4],
+    [python],
+    [python37 python3.7 python36 python3.6 python35 python3.5 python34 python3.4 python3 python],
+    [^Python 3\.([4-9]|[1-9][0-9]+)\.],
+    [python_3_4_or_newer])
+
+CTNG_PROG_VERSION([BISON],
+    [bison >= 2.7],
+    [bison],
+    [bison],
+    [\(GNU Bison\) (2\.[7-9]|2\.[1-9][0-9]|[3-9]\.)],
+    [bison_2_7_or_newer])
+
 AC_SUBST([kconfig_options])
 
 AC_CHECK_PROGS([dtc], [dtc])

ct-ng.in

@@ -41,7 +41,7 @@ export CT_VCHECK=
 # need to pass it to the upgrade script - which may receive an input that
 # was not preprocessed by kconfig, and hence have no string for "up-to-date"
 # version.
-export CT_CONFIG_VERSION_CURRENT=2
+export CT_CONFIG_VERSION_CURRENT=3
 
 # Download agents used by scripts.mk
 CT_WGET     := @wget@

m4/ax_cxx_compile_stdcxx.m4

@@ -0,0 +1,948 @@
+# ===========================================================================
+#  https://www.gnu.org/software/autoconf-archive/ax_cxx_compile_stdcxx.html
+# ===========================================================================
+#
+# SYNOPSIS
+#
+#   AX_CXX_COMPILE_STDCXX(VERSION, [ext|noext], [mandatory|optional])
+#
+# DESCRIPTION
+#
+#   Check for baseline language coverage in the compiler for the specified
+#   version of the C++ standard.  If necessary, add switches to CXX and
+#   CXXCPP to enable support.  VERSION may be '11' (for the C++11 standard)
+#   or '14' (for the C++14 standard).
+#
+#   The second argument, if specified, indicates whether you insist on an
+#   extended mode (e.g. -std=gnu++11) or a strict conformance mode (e.g.
+#   -std=c++11).  If neither is specified, you get whatever works, with
+#   preference for an extended mode.
+#
+#   The third argument, if specified 'mandatory' or if left unspecified,
+#   indicates that baseline support for the specified C++ standard is
+#   required and that the macro should error out if no mode with that
+#   support is found.  If specified 'optional', then configuration proceeds
+#   regardless, after defining HAVE_CXX${VERSION} if and only if a
+#   supporting mode is found.
+#
+# LICENSE
+#
+#   Copyright (c) 2008 Benjamin Kosnik <bkoz@redhat.com>
+#   Copyright (c) 2012 Zack Weinberg <zackw@panix.com>
+#   Copyright (c) 2013 Roy Stogner <roystgnr@ices.utexas.edu>
+#   Copyright (c) 2014, 2015 Google Inc.; contributed by Alexey Sokolov <sokolov@google.com>
+#   Copyright (c) 2015 Paul Norman <penorman@mac.com>
+#   Copyright (c) 2015 Moritz Klammler <moritz@klammler.eu>
+#   Copyright (c) 2016, 2018 Krzesimir Nowak <qdlacz@gmail.com>
+#
+#   Copying and distribution of this file, with or without modification, are
+#   permitted in any medium without royalty provided the copyright notice
+#   and this notice are preserved.  This file is offered as-is, without any
+#   warranty.
+
+#serial 10
+
+dnl  This macro is based on the code from the AX_CXX_COMPILE_STDCXX_11 macro
+dnl  (serial version number 13).
+
+AC_DEFUN([AX_CXX_COMPILE_STDCXX], [dnl
+  m4_if([$1], [11], [ax_cxx_compile_alternatives="11 0x"],
+        [$1], [14], [ax_cxx_compile_alternatives="14 1y"],
+        [$1], [17], [ax_cxx_compile_alternatives="17 1z"],
+        [m4_fatal([invalid first argument `$1' to AX_CXX_COMPILE_STDCXX])])dnl
+  m4_if([$2], [], [],
+        [$2], [ext], [],
+        [$2], [noext], [],
+        [m4_fatal([invalid second argument `$2' to AX_CXX_COMPILE_STDCXX])])dnl
+  m4_if([$3], [], [ax_cxx_compile_cxx$1_required=true],
+        [$3], [mandatory], [ax_cxx_compile_cxx$1_required=true],
+        [$3], [optional], [ax_cxx_compile_cxx$1_required=false],
+        [m4_fatal([invalid third argument `$3' to AX_CXX_COMPILE_STDCXX])])
+  AC_LANG_PUSH([C++])dnl
+  ac_success=no
+
+  m4_if([$2], [noext], [], [dnl
+  if test x$ac_success = xno; then
+    for alternative in ${ax_cxx_compile_alternatives}; do
+      switch="-std=gnu++${alternative}"
+      cachevar=AS_TR_SH([ax_cv_cxx_compile_cxx$1_$switch])
+      AC_CACHE_CHECK(whether $CXX supports C++$1 features with $switch,
+                     $cachevar,
+        [ac_save_CXX="$CXX"
+         CXX="$CXX $switch"
+         AC_COMPILE_IFELSE([AC_LANG_SOURCE([_AX_CXX_COMPILE_STDCXX_testbody_$1])],
+          [eval $cachevar=yes],
+          [eval $cachevar=no])
+         CXX="$ac_save_CXX"])
+      if eval test x\$$cachevar = xyes; then
+        CXX="$CXX $switch"
+        if test -n "$CXXCPP" ; then
+          CXXCPP="$CXXCPP $switch"
+        fi
+        ac_success=yes
+        break
+      fi
+    done
+  fi])
+
+  m4_if([$2], [ext], [], [dnl
+  if test x$ac_success = xno; then
+    dnl HP's aCC needs +std=c++11 according to:
+    dnl http://h21007.www2.hp.com/portal/download/files/unprot/aCxx/PDF_Release_Notes/769149-001.pdf
+    dnl Cray's crayCC needs "-h std=c++11"
+    for alternative in ${ax_cxx_compile_alternatives}; do
+      for switch in -std=c++${alternative} +std=c++${alternative} "-h std=c++${alternative}"; do
+        cachevar=AS_TR_SH([ax_cv_cxx_compile_cxx$1_$switch])
+        AC_CACHE_CHECK(whether $CXX supports C++$1 features with $switch,
+                       $cachevar,
+          [ac_save_CXX="$CXX"
+           CXX="$CXX $switch"
+           AC_COMPILE_IFELSE([AC_LANG_SOURCE([_AX_CXX_COMPILE_STDCXX_testbody_$1])],
+            [eval $cachevar=yes],
+            [eval $cachevar=no])
+           CXX="$ac_save_CXX"])
+        if eval test x\$$cachevar = xyes; then
+          CXX="$CXX $switch"
+          if test -n "$CXXCPP" ; then
+            CXXCPP="$CXXCPP $switch"
+          fi
+          ac_success=yes
+          break
+        fi
+      done
+      if test x$ac_success = xyes; then
+        break
+      fi
+    done
+  fi])
+  AC_LANG_POP([C++])
+  if test x$ax_cxx_compile_cxx$1_required = xtrue; then
+    if test x$ac_success = xno; then
+      AC_MSG_ERROR([*** A compiler with support for C++$1 language features is required.])
+    fi
+  fi
+  if test x$ac_success = xno; then
+    HAVE_CXX$1=0
+    AC_MSG_NOTICE([No compiler with C++$1 support was found])
+  else
+    HAVE_CXX$1=1
+    AC_DEFINE(HAVE_CXX$1,1,
+              [define if the compiler supports basic C++$1 syntax])
+  fi
+  AC_SUBST(HAVE_CXX$1)
+])
+
+
+dnl  Test body for checking C++11 support
+
+m4_define([_AX_CXX_COMPILE_STDCXX_testbody_11],
+  _AX_CXX_COMPILE_STDCXX_testbody_new_in_11
+)
+
+
+dnl  Test body for checking C++14 support
+
+m4_define([_AX_CXX_COMPILE_STDCXX_testbody_14],
+  _AX_CXX_COMPILE_STDCXX_testbody_new_in_11
+  _AX_CXX_COMPILE_STDCXX_testbody_new_in_14
+)
+
+m4_define([_AX_CXX_COMPILE_STDCXX_testbody_17],
+  _AX_CXX_COMPILE_STDCXX_testbody_new_in_11
+  _AX_CXX_COMPILE_STDCXX_testbody_new_in_14
+  _AX_CXX_COMPILE_STDCXX_testbody_new_in_17
+)
+
+dnl  Tests for new features in C++11
+
+m4_define([_AX_CXX_COMPILE_STDCXX_testbody_new_in_11], [[
+
+// If the compiler admits that it is not ready for C++11, why torture it?
+// Hopefully, this will speed up the test.
+
+#ifndef __cplusplus
+
+#error "This is not a C++ compiler"
+
+#elif __cplusplus < 201103L
+
+#error "This is not a C++11 compiler"
+
+#else
+
+namespace cxx11
+{
+
+  namespace test_static_assert
+  {
+
+    template <typename T>
+    struct check
+    {
+      static_assert(sizeof(int) <= sizeof(T), "not big enough");
+    };
+
+  }
+
+  namespace test_final_override
+  {
+
+    struct Base
+    {
+      virtual void f() {}
+    };
+
+    struct Derived : public Base
+    {
+      virtual void f() override {}
+    };
+
+  }
+
+  namespace test_double_right_angle_brackets
+  {
+
+    template < typename T >
+    struct check {};
+
+    typedef check<void> single_type;
+    typedef check<check<void>> double_type;
+    typedef check<check<check<void>>> triple_type;
+    typedef check<check<check<check<void>>>> quadruple_type;
+
+  }
+
+  namespace test_decltype
+  {
+
+    int
+    f()
+    {
+      int a = 1;
+      decltype(a) b = 2;
+      return a + b;
+    }
+
+  }
+
+  namespace test_type_deduction
+  {
+
+    template < typename T1, typename T2 >
+    struct is_same
+    {
+      static const bool value = false;
+    };
+
+    template < typename T >
+    struct is_same<T, T>
+    {
+      static const bool value = true;
+    };
+
+    template < typename T1, typename T2 >
+    auto
+    add(T1 a1, T2 a2) -> decltype(a1 + a2)
+    {
+      return a1 + a2;
+    }
+
+    int
+    test(const int c, volatile int v)
+    {
+      static_assert(is_same<int, decltype(0)>::value == true, "");
+      static_assert(is_same<int, decltype(c)>::value == false, "");
+      static_assert(is_same<int, decltype(v)>::value == false, "");
+      auto ac = c;
+      auto av = v;
+      auto sumi = ac + av + 'x';
+      auto sumf = ac + av + 1.0;
+      static_assert(is_same<int, decltype(ac)>::value == true, "");
+      static_assert(is_same<int, decltype(av)>::value == true, "");
+      static_assert(is_same<int, decltype(sumi)>::value == true, "");
+      static_assert(is_same<int, decltype(sumf)>::value == false, "");
+      static_assert(is_same<int, decltype(add(c, v))>::value == true, "");
+      return (sumf > 0.0) ? sumi : add(c, v);
+    }
+
+  }
+
+  namespace test_noexcept
+  {
+
+    int f() { return 0; }
+    int g() noexcept { return 0; }
+
+    static_assert(noexcept(f()) == false, "");
+    static_assert(noexcept(g()) == true, "");
+
+  }
+
+  namespace test_constexpr
+  {
+
+    template < typename CharT >
+    unsigned long constexpr
+    strlen_c_r(const CharT *const s, const unsigned long acc) noexcept
+    {
+      return *s ? strlen_c_r(s + 1, acc + 1) : acc;
+    }
+
+    template < typename CharT >
+    unsigned long constexpr
+    strlen_c(const CharT *const s) noexcept
+    {
+      return strlen_c_r(s, 0UL);
+    }
+
+    static_assert(strlen_c("") == 0UL, "");
+    static_assert(strlen_c("1") == 1UL, "");
+    static_assert(strlen_c("example") == 7UL, "");
+    static_assert(strlen_c("another\0example") == 7UL, "");
+
+  }
+
+  namespace test_rvalue_references
+  {
+
+    template < int N >
+    struct answer
+    {
+      static constexpr int value = N;
+    };
+
+    answer<1> f(int&)       { return answer<1>(); }
+    answer<2> f(const int&) { return answer<2>(); }
+    answer<3> f(int&&)      { return answer<3>(); }
+
+    void
+    test()
+    {
+      int i = 0;
+      const int c = 0;
+      static_assert(decltype(f(i))::value == 1, "");
+      static_assert(decltype(f(c))::value == 2, "");
+      static_assert(decltype(f(0))::value == 3, "");
+    }
+
+  }
+
+  namespace test_uniform_initialization
+  {
+
+    struct test
+    {
+      static const int zero {};
+      static const int one {1};
+    };
+
+    static_assert(test::zero == 0, "");
+    static_assert(test::one == 1, "");
+
+  }
+
+  namespace test_lambdas
+  {
+
+    void
+    test1()
+    {
+      auto lambda1 = [](){};
+      auto lambda2 = lambda1;
+      lambda1();
+      lambda2();
+    }
+
+    int
+    test2()
+    {
+      auto a = [](int i, int j){ return i + j; }(1, 2);
+      auto b = []() -> int { return '0'; }();
+      auto c = [=](){ return a + b; }();
+      auto d = [&](){ return c; }();
+      auto e = [a, &b](int x) mutable {
+        const auto identity = [](int y){ return y; };
+        for (auto i = 0; i < a; ++i)
+          a += b--;
+        return x + identity(a + b);
+      }(0);
+      return a + b + c + d + e;
+    }
+
+    int
+    test3()
+    {
+      const auto nullary = [](){ return 0; };
+      const auto unary = [](int x){ return x; };
+      using nullary_t = decltype(nullary);
+      using unary_t = decltype(unary);
+      const auto higher1st = [](nullary_t f){ return f(); };
+      const auto higher2nd = [unary](nullary_t f1){
+        return [unary, f1](unary_t f2){ return f2(unary(f1())); };
+      };
+      return higher1st(nullary) + higher2nd(nullary)(unary);
+    }
+
+  }
+
+  namespace test_variadic_templates
+  {
+
+    template <int...>
+    struct sum;
+
+    template <int N0, int... N1toN>
+    struct sum<N0, N1toN...>
+    {
+      static constexpr auto value = N0 + sum<N1toN...>::value;
+    };
+
+    template <>
+    struct sum<>
+    {
+      static constexpr auto value = 0;
+    };
+
+    static_assert(sum<>::value == 0, "");
+    static_assert(sum<1>::value == 1, "");
+    static_assert(sum<23>::value == 23, "");
+    static_assert(sum<1, 2>::value == 3, "");
+    static_assert(sum<5, 5, 11>::value == 21, "");
+    static_assert(sum<2, 3, 5, 7, 11, 13>::value == 41, "");
+
+  }
+
+  // http://stackoverflow.com/questions/13728184/template-aliases-and-sfinae
+  // Clang 3.1 fails with headers of libstd++ 4.8.3 when using std::function
+  // because of this.
+  namespace test_template_alias_sfinae
+  {
+
+    struct foo {};
+
+    template<typename T>
+    using member = typename T::member_type;
+
+    template<typename T>
+    void func(...) {}
+
+    template<typename T>
+    void func(member<T>*) {}
+
+    void test();
+
+    void test() { func<foo>(0); }
+
+  }
+
+}  // namespace cxx11
+
+#endif  // __cplusplus >= 201103L
+
+]])
+
+
+dnl  Tests for new features in C++14
+
+m4_define([_AX_CXX_COMPILE_STDCXX_testbody_new_in_14], [[
+
+// If the compiler admits that it is not ready for C++14, why torture it?
+// Hopefully, this will speed up the test.
+
+#ifndef __cplusplus
+
+#error "This is not a C++ compiler"
+
+#elif __cplusplus < 201402L
+
+#error "This is not a C++14 compiler"
+
+#else
+
+namespace cxx14
+{
+
+  namespace test_polymorphic_lambdas
+  {
+
+    int
+    test()
+    {
+      const auto lambda = [](auto&&... args){
+        const auto istiny = [](auto x){
+          return (sizeof(x) == 1UL) ? 1 : 0;
+        };
+        const int aretiny[] = { istiny(args)... };
+        return aretiny[0];
+      };
+      return lambda(1, 1L, 1.0f, '1');
+    }
+
+  }
+
+  namespace test_binary_literals
+  {
+
+    constexpr auto ivii = 0b0000000000101010;
+    static_assert(ivii == 42, "wrong value");
+
+  }
+
+  namespace test_generalized_constexpr
+  {
+
+    template < typename CharT >
+    constexpr unsigned long
+    strlen_c(const CharT *const s) noexcept
+    {
+      auto length = 0UL;
+      for (auto p = s; *p; ++p)
+        ++length;
+      return length;
+    }
+
+    static_assert(strlen_c("") == 0UL, "");
+    static_assert(strlen_c("x") == 1UL, "");
+    static_assert(strlen_c("test") == 4UL, "");
+    static_assert(strlen_c("another\0test") == 7UL, "");
+
+  }
+
+  namespace test_lambda_init_capture
+  {
+
+    int
+    test()
+    {
+      auto x = 0;
+      const auto lambda1 = [a = x](int b){ return a + b; };
+      const auto lambda2 = [a = lambda1(x)](){ return a; };
+      return lambda2();
+    }
+
+  }
+
+  namespace test_digit_separators
+  {
+
+    constexpr auto ten_million = 100'000'000;
+    static_assert(ten_million == 100000000, "");
+
+  }
+
+  namespace test_return_type_deduction
+  {
+
+    auto f(int& x) { return x; }
+    decltype(auto) g(int& x) { return x; }
+
+    template < typename T1, typename T2 >
+    struct is_same
+    {
+      static constexpr auto value = false;
+    };
+
+    template < typename T >
+    struct is_same<T, T>
+    {
+      static constexpr auto value = true;
+    };
+
+    int
+    test()
+    {
+      auto x = 0;
+      static_assert(is_same<int, decltype(f(x))>::value, "");
+      static_assert(is_same<int&, decltype(g(x))>::value, "");
+      return x;
+    }
+
+  }
+
+}  // namespace cxx14
+
+#endif  // __cplusplus >= 201402L
+
+]])
+
+
+dnl  Tests for new features in C++17
+
+m4_define([_AX_CXX_COMPILE_STDCXX_testbody_new_in_17], [[
+
+// If the compiler admits that it is not ready for C++17, why torture it?
+// Hopefully, this will speed up the test.
+
+#ifndef __cplusplus
+
+#error "This is not a C++ compiler"
+
+#elif __cplusplus < 201703L
+
+#error "This is not a C++17 compiler"
+
+#else
+
+#include <initializer_list>
+#include <utility>
+#include <type_traits>
+
+namespace cxx17
+{
+
+  namespace test_constexpr_lambdas
+  {
+
+    constexpr int foo = [](){return 42;}();
+
+  }
+
+  namespace test::nested_namespace::definitions
+  {
+
+  }
+
+  namespace test_fold_expression
+  {
+
+    template<typename... Args>
+    int multiply(Args... args)
+    {
+      return (args * ... * 1);
+    }
+
+    template<typename... Args>
+    bool all(Args... args)
+    {
+      return (args && ...);
+    }
+
+  }
+
+  namespace test_extended_static_assert
+  {
+
+    static_assert (true);
+
+  }
+
+  namespace test_auto_brace_init_list
+  {
+
+    auto foo = {5};
+    auto bar {5};
+
+    static_assert(std::is_same<std::initializer_list<int>, decltype(foo)>::value);
+    static_assert(std::is_same<int, decltype(bar)>::value);
+  }
+
+  namespace test_typename_in_template_template_parameter
+  {
+
+    template<template<typename> typename X> struct D;
+
+  }
+
+  namespace test_fallthrough_nodiscard_maybe_unused_attributes
+  {
+
+    int f1()
+    {
+      return 42;
+    }
+
+    [[nodiscard]] int f2()
+    {
+      [[maybe_unused]] auto unused = f1();
+
+      switch (f1())
+      {
+      case 17:
+        f1();
+        [[fallthrough]];
+      case 42:
+        f1();
+      }
+      return f1();
+    }
+
+  }
+
+  namespace test_extended_aggregate_initialization
+  {
+
+    struct base1
+    {
+      int b1, b2 = 42;
+    };
+
+    struct base2
+    {
+      base2() {
+        b3 = 42;
+      }
+      int b3;
+    };
+
+    struct derived : base1, base2
+    {
+        int d;
+    };
+
+    derived d1 {{1, 2}, {}, 4};  // full initialization
+    derived d2 {{}, {}, 4};      // value-initialized bases
+
+  }
+
+  namespace test_general_range_based_for_loop
+  {
+
+    struct iter
+    {
+      int i;
+
+      int& operator* ()
+      {
+        return i;
+      }
+
+      const int& operator* () const
+      {
+        return i;
+      }
+
+      iter& operator++()
+      {
+        ++i;
+        return *this;
+      }
+    };
+
+    struct sentinel
+    {
+      int i;
+    };
+
+    bool operator== (const iter& i, const sentinel& s)
+    {
+      return i.i == s.i;
+    }
+
+    bool operator!= (const iter& i, const sentinel& s)
+    {
+      return !(i == s);
+    }
+
+    struct range
+    {
+      iter begin() const
+      {
+        return {0};
+      }
+
+      sentinel end() const
+      {
+        return {5};
+      }
+    };
+
+    void f()
+    {
+      range r {};
+
+      for (auto i : r)
+      {
+        [[maybe_unused]] auto v = i;
+      }
+    }
+
+  }
+
+  namespace test_lambda_capture_asterisk_this_by_value
+  {
+
+    struct t
+    {
+      int i;
+      int foo()
+      {
+        return [*this]()
+        {
+          return i;
+        }();
+      }
+    };
+
+  }
+
+  namespace test_enum_class_construction
+  {
+
+    enum class byte : unsigned char
+    {};
+
+    byte foo {42};
+
+  }
+
+  namespace test_constexpr_if
+  {
+
+    template <bool cond>
+    int f ()
+    {
+      if constexpr(cond)
+      {
+        return 13;
+      }
+      else
+      {
+        return 42;
+      }
+    }
+
+  }
+
+  namespace test_selection_statement_with_initializer
+  {
+
+    int f()
+    {
+      return 13;
+    }
+
+    int f2()
+    {
+      if (auto i = f(); i > 0)
+      {
+        return 3;
+      }
+
+      switch (auto i = f(); i + 4)
+      {
+      case 17:
+        return 2;
+
+      default:
+        return 1;
+      }
+    }
+
+  }
+
+  namespace test_template_argument_deduction_for_class_templates
+  {
+
+    template <typename T1, typename T2>
+    struct pair
+    {
+      pair (T1 p1, T2 p2)
+        : m1 {p1},
+          m2 {p2}
+      {}
+
+      T1 m1;
+      T2 m2;
+    };
+
+    void f()
+    {
+      [[maybe_unused]] auto p = pair{13, 42u};
+    }
+
+  }
+
+  namespace test_non_type_auto_template_parameters
+  {
+
+    template <auto n>
+    struct B
+    {};
+
+    B<5> b1;
+    B<'a'> b2;
+
+  }
+
+  namespace test_structured_bindings
+  {
+
+    int arr[2] = { 1, 2 };
+    std::pair<int, int> pr = { 1, 2 };
+
+    auto f1() -> int(&)[2]
+    {
+      return arr;
+    }
+
+    auto f2() -> std::pair<int, int>&
+    {
+      return pr;
+    }
+
+    struct S
+    {
+      int x1 : 2;
+      volatile double y1;
+    };
+
+    S f3()
+    {
+      return {};
+    }
+
+    auto [ x1, y1 ] = f1();
+    auto& [ xr1, yr1 ] = f1();
+    auto [ x2, y2 ] = f2();
+    auto& [ xr2, yr2 ] = f2();
+    const auto [ x3, y3 ] = f3();
+
+  }
+
+  namespace test_exception_spec_type_system
+  {
+
+    struct Good {};
+    struct Bad {};
+
+    void g1() noexcept;
+    void g2();
+
+    template<typename T>
+    Bad
+    f(T*, T*);
+
+    template<typename T1, typename T2>
+    Good
+    f(T1*, T2*);
+
+    static_assert (std::is_same_v<Good, decltype(f(g1, g2))>);
+
+  }
+
+  namespace test_inline_variables
+  {
+
+    template<class T> void f(T)
+    {}
+
+    template<class T> inline T g(T)
+    {
+      return T{};
+    }
+
+    template<> inline void f<>(int)
+    {}
+
+    template<> int g<>(int)
+    {
+      return 5;
+    }
+
+  }
+
+}  // namespace cxx17
+
+#endif  // __cplusplus < 201703L
+
+]])

m4/ctng_set_kconfig_option.m4

@@ -1,7 +1,7 @@
 # Set the kconfig option.
 AC_DEFUN([CTNG_SET_KCONFIG_OPTION],
     [AS_IF(
-         [test -n "$$1" -o "$2" = "y"],
+         [test -n "$$1" -o "$2" = "y" -o "$2" = "1" ],
          [AC_SUBST([KCONFIG_$1], ["def_bool y"])],
          [AC_SUBST([KCONFIG_$1], ["bool"])])
     ])

m4/ctng_version_check.m4

@@ -18,7 +18,7 @@ AC_DEFUN([CTNG_PROG_VERSION],
          [ac_cv_path_$1="$$1"
           CTNG_PATH_ABSNAME([ac_cv_path_$1])
           CTNG_MSG_LOG_ENVVAR([ac_cv_path_$1])
-          ver=$(eval $ac_cv_path_$1 --version 2>/dev/null)
+          ver=$(eval $ac_cv_path_$1 --version 2>&1)
           CTNG_MSG_LOG([looking for '[$5]' regexp in])
           CTNG_MSG_LOG_ENVVAR([ver], [version info for $ac_cv_path_$1])
           ver=$(AS_ECHO(["$ver"]) | $EGREP '[$5]')
@@ -26,7 +26,7 @@ AC_DEFUN([CTNG_PROG_VERSION],
          [AC_CACHE_CHECK([for $3], [ac_cv_path_$1],
              [AC_PATH_PROGS_FEATURE_CHECK([$1], [$4],
                   [CTNG_MSG_LOG_ENVVAR([ac_path_$1], [checking $1 at])
-                   ver=$($ac_path_$1 --version 2>/dev/null)
+                   ver=$($ac_path_$1 --version 2>&1)
                    CTNG_MSG_LOG([looking for '[$5]' regexp in])
                    CTNG_MSG_LOG_ENVVAR([ver], [version info])
                    ver=$(AS_ECHO(["$ver"]) | $EGREP '[$5]')

packages/bison/3.0.5/chksum

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+sha256 bison-3.0.5.tar.xz 075cef2e814642e30e10e8155e93022e4a91ca38a65aa1d5467d4e969f97f338
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+md5 bison-3.0.5.tar.gz 41ad57813157b61bfa47e33067a9d6f0
+sha1 bison-3.0.5.tar.gz 326135383c6ef4439781f5817475948b28501dbc
+sha256 bison-3.0.5.tar.gz cd399d2bee33afa712bac4b1f4434e20379e9b4099bce47189e09a7675a2d566
+sha512 bison-3.0.5.tar.gz 2087f5ced90518a93416c0c2d914f0ddbb55fb87af94becf03c7097f5d2365a05a3c287241018e86883d8a8bc3519dd7f175606edde96a30b3a54ca0b8a84642

packages/bison/3.1/chksum

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+md5 bison-3.1.tar.gz ba1f1c7d286adc79339c0f1d0f696963
+sha1 bison-3.1.tar.gz 6d42cbe38023a3020df498f1c22dc46439ee08b3
+sha256 bison-3.1.tar.gz a7cb36b55316eeec626865c03d2a44210617a17c7d393ee63d8553e0649ee946
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packages/bison/3.2.4/chksum

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+md5 bison-3.2.4.tar.gz eeecdf612b423097ea9182979ca3e093
+sha1 bison-3.2.4.tar.gz 5e10f5d5036907f9d58232372754bce58af651c2
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packages/bison/3.3.2/chksum

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+md5 bison-3.3.2.tar.gz a2d208a01a72eb98c2d7e3a2ec2bc51e
+sha1 bison-3.3.2.tar.gz 364991dad2ae8e255564fdcb6f77e8da608243d5
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packages/bison/package.desc

@@ -0,0 +1,6 @@
+repository='git https://git.savannah.gnu.org/git/bison.git'
+bootstrap='./bootstrap'
+mirrors='$(CT_Mirrors GNU bison)'
+relevantpattern='*.*|.'
+archive_formats='.tar.xz .tar.gz'
+signature_format='packed/.sig'

packages/gdb/7.11.1/0004-include-order.patch

@@ -0,0 +1,43 @@
+commit 5a6c3296a7a90694ad4042f6256f3da6d4fa4ee8
+Author: James Clarke <jrtc27@jrtc27.com>
+Date:   Fri Jan 19 17:22:49 2018 +0000
+
+    gdb: Fix ia64 defining TRAP_HWBKPT before including gdb_wait.h
+    
+    On ia64, gdb_wait.h eventually includes siginfo-consts-arch.h, which
+    contains an enum with TRAP_HWBKPT, along with a #define. Thus we cannot
+    define TRAP_HWBKPT to 4 beforehand, and so gdb_wait.h must be included
+    earlier; include it from linux-ptrace.h so it can never come afterwards.
+    
+    gdb/ChangeLog:
+    
+            * nat/linux-ptrace.c: Remove unnecessary reinclusion of
+            gdb_ptrace.h, and move including gdb_wait.h ...
+            * nat/linux-ptrace.h: ... to here.
+
+---
+ gdb/nat/linux-ptrace.c |    2 --
+ gdb/nat/linux-ptrace.h |    1 +
+ 2 files changed, 1 insertion(+), 2 deletions(-)
+
+--- a/gdb/nat/linux-ptrace.c
++++ b/gdb/nat/linux-ptrace.c
+@@ -21,8 +21,6 @@
+ #include "linux-procfs.h"
+ #include "linux-waitpid.h"
+ #include "buffer.h"
+-#include "gdb_wait.h"
+-#include "gdb_ptrace.h"
+ 
+ /* Stores the ptrace options supported by the running kernel.
+    A value of -1 means we did not check for features yet.  A value
+--- a/gdb/nat/linux-ptrace.h
++++ b/gdb/nat/linux-ptrace.h
+@@ -21,6 +21,7 @@
+ struct buffer;
+ 
+ #include "nat/gdb_ptrace.h"
++#include "gdb_wait.h"
+ 
+ #ifdef __UCLIBC__
+ #if !(defined(__UCLIBC_HAS_MMU__) || defined(__ARCH_HAS_MMU__))

packages/gdb/7.11.1/0005-include-gregset.h.patch

@@ -0,0 +1,73 @@
+commit 31925464a80970e37c06192a0c49f8948a2f5da0
+Author: Matthew Wahab <matthew.wahab@arm.com>
+Date:   Mon Aug 15 13:09:04 2016 +0100
+
+    [GDB] Fix builds broken by proc-service changes.
+    
+    GLIBC BZ#20311 introduced a change to install proc_service.h so that gdb
+    didn't have to use the version it embeds in gdb_proc_service.h. The
+    embedded version is guarded by HAVE_PROC_SERVICE_H and
+    gdb_proc_service.h has a number other of includes and definitions, all
+    of which are uncondional except for an include for gregset.h. This is
+    only included if HAVE_PROC_SERIVCE_H is not defined.
+    
+    This causes a build failure when cross compiling gdb with the latest
+    glibc because type definitions in gregset are used independently of
+    HAVE_PROC_SERIVCE_H. In particular, they are used in gdb_proc_service.h
+    when PRFPREGSET_T_BROKEN is set.
+    
+    The error messages on the failure are
+    ----
+    binutils-gdb/gdb/gdb_proc_service.h:173:9: error: ‘gdb_fpregset_t’ does
+    not name a type; did you mean ‘elf_fpregset_t’?
+     typedef gdb_fpregset_t gdb_prfpregset_t;
+             ^~~~~~~~~~~~~~
+             elf_fpregset_t
+    
+    binutils-gdb/gdb/gdb_proc_service.h:173:9: error: ‘gdb_fpregset_t’ does
+    not name a type; did you mean ‘elf_fpregset_t’?
+     typedef gdb_fpregset_t gdb_prfpregset_t;
+             ^~~~~~~~~~~~~~
+             elf_fpregset_t
+    
+    binutils-gdb/gdb/proc-service.c:218:15: error: ‘gdb_prfpregset_t’ does
+    not name a type; did you mean ‘gdb_fpregset_t’?
+             const gdb_prfpregset_t *fpregset)
+                   ^~~~~~~~~~~~~~~~
+                   gdb_fpregset_t
+    ----
+    
+    This patch moves the include for gregset.h to before the code guarded by
+    HAVE_PROC_SERIVCE_H, so that it is always included. This is enough to
+    fix the build.
+    
+    2016-08-15  Matthew Wahab  <matthew.wahab@arm.com>
+    
+            PR gdb/20457
+            * gdb_proc_service.h: Add an include of gregset.h
+            [!HAVE_PROC_SERVICE_H]: Remove the include of gregset.h.
+
+---
+ gdb/gdb_proc_service.h |    4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+--- a/gdb/gdb_proc_service.h
++++ b/gdb/gdb_proc_service.h
+@@ -21,6 +21,8 @@
+ 
+ #include <sys/types.h>
+ 
++#include "gregset.h"
++
+ #ifdef HAVE_PROC_SERVICE_H
+ 
+ /* glibc's proc_service.h doesn't wrap itself with extern "C".  Need
+@@ -60,8 +62,6 @@
+ #include <sys/procfs.h>
+ #endif
+ 
+-#include "gregset.h"
+-
+ EXTERN_C_PUSH
+ 
+ /* Functions in this interface return one of these status codes.  */

packages/gdb/7.12.1/0005-include-order.patch

@@ -0,0 +1,43 @@
+commit 5a6c3296a7a90694ad4042f6256f3da6d4fa4ee8
+Author: James Clarke <jrtc27@jrtc27.com>
+Date:   Fri Jan 19 17:22:49 2018 +0000
+
+    gdb: Fix ia64 defining TRAP_HWBKPT before including gdb_wait.h
+    
+    On ia64, gdb_wait.h eventually includes siginfo-consts-arch.h, which
+    contains an enum with TRAP_HWBKPT, along with a #define. Thus we cannot
+    define TRAP_HWBKPT to 4 beforehand, and so gdb_wait.h must be included
+    earlier; include it from linux-ptrace.h so it can never come afterwards.
+    
+    gdb/ChangeLog:
+    
+            * nat/linux-ptrace.c: Remove unnecessary reinclusion of
+            gdb_ptrace.h, and move including gdb_wait.h ...
+            * nat/linux-ptrace.h: ... to here.
+
+---
+ gdb/nat/linux-ptrace.c |    2 --
+ gdb/nat/linux-ptrace.h |    1 +
+ 2 files changed, 1 insertion(+), 2 deletions(-)
+
+--- a/gdb/nat/linux-ptrace.c
++++ b/gdb/nat/linux-ptrace.c
+@@ -21,8 +21,6 @@
+ #include "linux-procfs.h"
+ #include "linux-waitpid.h"
+ #include "buffer.h"
+-#include "gdb_wait.h"
+-#include "gdb_ptrace.h"
+ #include <sys/procfs.h>
+ 
+ /* Stores the ptrace options supported by the running kernel.
+--- a/gdb/nat/linux-ptrace.h
++++ b/gdb/nat/linux-ptrace.h
+@@ -21,6 +21,7 @@
+ struct buffer;
+ 
+ #include "nat/gdb_ptrace.h"
++#include "gdb_wait.h"
+ 
+ #ifdef __UCLIBC__
+ #if !(defined(__UCLIBC_HAS_MMU__) || defined(__ARCH_HAS_MMU__))

packages/gdb/7.12.1/0006-duplicate-typedef.patch

@@ -0,0 +1,18 @@
+diff -urpN gdb-7.12.1.orig/gdb/event-loop.h gdb-7.12.1/gdb/event-loop.h
+--- gdb-7.12.1.orig/gdb/event-loop.h	2017-01-21 05:46:46.000000000 -0800
++++ gdb-7.12.1/gdb/event-loop.h	2019-03-14 11:55:56.280325742 -0700
+@@ -66,6 +66,8 @@
+    infinite loop.
+ 
+    Corollary tasks are the creation and deletion of event sources.  */
++#ifndef _EVENT_LOOP_H_
++#define _EVENT_LOOP_H_
+ 
+ typedef void *gdb_client_data;
+ struct async_signal_handler;
+@@ -127,3 +129,5 @@ extern void mark_async_event_handler (st
+ extern void clear_async_event_handler (struct async_event_handler *handler);
+ 
+ extern void initialize_async_signal_handlers (void);
++
++#endif

packages/glibc/package.desc

@@ -3,6 +3,6 @@ repository='git git://sourceware.org/git/glibc.git'
 mirrors='$(CT_Mirrors GNU glibc)'
 # Cannot use MAJOR.MINOR as the releant part because of 2.12: 2.12.2 was the most recent
 # bugfix release, but it didn't have glibc-ports released alongside it.
-milestones='2.14 2.17 2.20 2.23 2.24 2.25 2.26 2.27'
+milestones='2.14 2.17 2.20 2.23 2.24 2.25 2.26 2.27 2.29'
 archive_formats='.tar.xz .tar.bz2 .tar.gz'
 signature_format='packed/.sig'

packages/make/package.desc

@@ -4,3 +4,4 @@ mirrors='$(CT_Mirrors GNU make)'
 relevantpattern='*.*|.'
 archive_formats='.tar.bz2 .tar.gz'
 signature_format='packed/.sig'
+milestones='4.0'

paths.sh.in

@@ -6,6 +6,7 @@ export grep="@GREP@"
 export gmake="@MAKE@"
 export gnumake="@MAKE@"
 export make="@MAKE@"
+export python="@PYTHON@"
 export sed="@SED@"
 export libtool="@LIBTOOL@"
 export libtoolize="@LIBTOOLIZE@"

samples/aarch64-rpi3-linux-gnu/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_ARM=y
 CT_ARCH_CPU="cortex-a53"
 CT_ARCH_64=y

samples/aarch64-unknown-linux-android/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_EXPERIMENTAL=y
 CT_ARCH_ARM=y
 CT_ARCH_64=y

samples/aarch64-unknown-linux-gnu/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_ARM=y
 CT_ARCH_64=y
 CT_TARGET_VENDOR=""

samples/aarch64-unknown-linux-uclibc/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_ARM=y
 CT_ARCH_64=y
 CT_TARGET_VENDOR=""

samples/alphaev56-unknown-linux-gnu/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_ALPHA_EV56=y
 CT_KERNEL_LINUX=y
 CT_BINUTILS_PLUGINS=y

samples/alphaev67-unknown-linux-gnu/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_ALPHA_EV67=y
 CT_KERNEL_LINUX=y
 CT_BINUTILS_PLUGINS=y

samples/arc-arc700-linux-uclibc/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_ARC=y
 CT_ARCH_CPU="arc700"
 CT_TARGET_CFLAGS="-mno-atomic"

samples/arc-multilib-elf32/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_ARC=y
 CT_MULTILIB=y
 CT_TARGET_VENDOR="multilib"

samples/arc-multilib-linux-uclibc/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_ARC=y
 CT_MULTILIB=y
 CT_TARGET_CFLAGS="-matomic"

samples/arm-bare_newlib_cortex_m3_nommu-eabi/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_ARM=y
 CT_ARCH_CPU="cortex-m3"
 CT_ARCH_ARM_MODE_THUMB=y

samples/arm-cortex_a15-linux-gnueabihf/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_ARM=y
 CT_ARCH_CPU="cortex-a15"
 CT_ARCH_FPU="neon-vfpv4"

samples/arm-cortex_a8-linux-gnueabi/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_ARM=y
 CT_ARCH_CPU="cortex-a8"
 CT_ARCH_FLOAT_SW=y

samples/arm-cortexa5-linux-uclibcgnueabihf/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_EXPERIMENTAL=y
 CT_ARCH_ARM=y
 CT_ARCH_CPU="cortex-a5"

samples/arm-cortexa9_neon-linux-gnueabihf/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_EXPERIMENTAL=y
 CT_ARCH_ARM=y
 CT_ARCH_CPU="cortex-a9"

samples/arm-multilib-linux-uclibcgnueabi/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_ARM=y
 CT_MULTILIB=y
 CT_ARCH_FLOAT_SW=y

samples/arm-nano-eabi/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_ARM=y
 CT_MULTILIB=y
 CT_ARCH_FLOAT_SW=y

samples/arm-unknown-eabi/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_ARM=y
 CT_ARCH_FLOAT_SW=y
 CT_LIBC_NEWLIB_IO_C99FMT=y

samples/arm-unknown-linux-gnueabi/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 # CT_REMOVE_DOCS is not set
 CT_ARCH_ARM=y
 CT_ARCH_FLOAT_SW=y

samples/arm-unknown-linux-musleabi/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_EXPERIMENTAL=y
 CT_ARCH_ARM=y
 CT_KERNEL_LINUX=y

samples/arm-unknown-linux-uclibcgnueabi/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_ARM=y
 CT_ARCH_CPU="arm926ej-s"
 CT_ARCH_FLOAT_SW=y

samples/arm-unknown-linux-uclibcgnueabihf/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_EXPERIMENTAL=y
 CT_ARCH_ARM=y
 CT_ARCH_CPU="arm926ej-s"

samples/armeb-unknown-eabi/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_ARM=y
 CT_ARCH_BE=y
 CT_ARCH_FLOAT_SW=y

samples/armeb-unknown-linux-gnueabi/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_ARM=y
 CT_ARCH_BE=y
 CT_ARCH_ARCH="armv5te"

samples/armeb-unknown-linux-uclibcgnueabi/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_ARM=y
 CT_ARCH_CPU="xscale"
 CT_ARCH_BE=y

samples/armv6-nommu-linux-uclibcgnueabi/crosstool.config

@@ -1,11 +1,10 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_ARM=y
 CT_ARCH_SUFFIX="v6"
 # CT_ARCH_USE_MMU is not set
 CT_TARGET_VENDOR="nommu"
 CT_KERNEL_LINUX=y
 # CT_KERNEL_LINUX_INSTALL_CHECK is not set
-# CT_SHARED_LIBS is not set
 CT_BINUTILS_PLUGINS=y
 CT_THREADS_NONE=y
 CT_CC_GCC_DISABLE_PCH=y

samples/armv6-rpi-linux-gnueabi/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_ARM=y
 CT_ARCH_CPU="arm1176jzf-s"
 CT_ARCH_SUFFIX="v6"

samples/armv7-rpi2-linux-gnueabihf/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_ARM=y
 CT_ARCH_CPU="cortex-a7"
 CT_ARCH_SUFFIX="v7"

samples/armv8-rpi3-linux-gnueabihf/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_ARM=y
 CT_ARCH_CPU="cortex-a53"
 CT_ARCH_SUFFIX="v8"

samples/avr/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_AVR=y
 CT_CC_LANG_CXX=y
 CT_DEBUG_GDB=y

samples/i586-geode-linux-uclibc/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_X86=y
 CT_ARCH_ARCH="pentium-mmx"
 CT_TARGET_VENDOR="geode"

samples/i686-centos6-linux-gnu/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_OBSOLETE=y
 CT_ARCH_X86=y
 CT_ARCH_ARCH="i686"

samples/i686-centos7-linux-gnu/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_OBSOLETE=y
 CT_ARCH_X86=y
 CT_ARCH_ARCH="i686"

samples/i686-nptl-linux-gnu/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_X86=y
 CT_ARCH_ARCH="i686"
 CT_TARGET_VENDOR="nptl"

samples/i686-ubuntu12.04-linux-gnu/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_OBSOLETE=y
 CT_ARCH_X86=y
 CT_ARCH_ARCH="i686"

samples/i686-ubuntu14.04-linux-gnu/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_OBSOLETE=y
 CT_ARCH_X86=y
 CT_ARCH_ARCH="i686"

samples/i686-ubuntu16.04-linux-gnu/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_OBSOLETE=y
 CT_ARCH_X86=y
 CT_ARCH_ARCH="i686"

samples/i686-w64-mingw32,nios2-spico-elf/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_EXPERIMENTAL=y
 # CT_REMOVE_DOCS is not set
 CT_ARCH_NIOS2=y

samples/i686-w64-mingw32/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_EXPERIMENTAL=y
 CT_ARCH_X86=y
 CT_ARCH_ARCH="i686"

samples/m68k-unknown-elf/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_M68K=y
 CT_ARCH_CPU="cpu32"
 CT_ARCH_BINFMT_FLAT=y

samples/m68k-unknown-uclinux-uclibc/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_M68K=y
 CT_KERNEL_LINUX=y
 CT_THREADS_LT=y

samples/mips-ar2315-linux-gnu/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_MIPS=y
 CT_ARCH_TUNE="4kc"
 CT_ARCH_ARCH="4kc"

samples/mips-malta-linux-gnu/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_MIPS=y
 CT_TARGET_VENDOR="malta"
 CT_KERNEL_LINUX=y

samples/mips-unknown-elf/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_MIPS=y
 CT_ARCH_FLOAT_SW=y
 CT_LIBC_NONE=y

samples/mips-unknown-linux-uclibc/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_MIPS=y
 CT_ARCH_ARCH="mips1"
 CT_ARCH_FLOAT_SW=y

samples/mips64el-multilib-linux-uclibc/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_MIPS=y
 CT_MULTILIB=y
 CT_ARCH_LE=y

samples/mipsel-multilib-linux-gnu/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_MIPS=y
 CT_MULTILIB=y
 CT_ARCH_LE=y

samples/mipsel-sde-elf/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_MIPS=y
 CT_ARCH_LE=y
 CT_ARCH_FLOAT_SW=y

samples/mipsel-unknown-linux-gnu/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_MIPS=y
 CT_ARCH_LE=y
 CT_ARCH_ARCH="mips1"

samples/moxie-unknown-elf/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_EXPERIMENTAL=y
 CT_ARCH_MOXIE=y
 CT_DEBUG_GDB=y

samples/moxiebox/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_EXPERIMENTAL=y
 CT_ARCH_MOXIE=y
 CT_ARCH_LE=y

samples/msp430-unknown-elf/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_EXPERIMENTAL=y
 CT_ARCH_MSP430=y
 CT_DEBUG_GDB=y

samples/nios2-altera-linux-gnu/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_NIOS2=y
 CT_ARCH_USE_MMU=y
 CT_TARGET_VENDOR="altera"

samples/nios2-unknown-elf/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_NIOS2=y
 CT_CC_LANG_CXX=y
 CT_DEBUG_GDB=y

samples/powerpc-405-linux-gnu/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_POWERPC=y
 CT_ARCH_CPU="405"
 CT_ARCH_FLOAT_SW=y

samples/powerpc-8540-linux-gnu/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_POWERPC=y
 CT_ARCH_CPU="8540"
 # CT_DEMULTILIB is not set

samples/powerpc-860-linux-gnu/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_POWERPC=y
 CT_ARCH_CPU="860"
 CT_ARCH_FLOAT_SW=y

samples/powerpc-e300c3-linux-gnu/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_POWERPC=y
 CT_ARCH_CPU="e300c3"
 CT_TARGET_VENDOR="e300c3"

samples/powerpc-e500v2-linux-gnuspe/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_POWERPC=y
 CT_ARCH_CPU="8548"
 CT_ARCH_powerpc_ABI_SPE=y

samples/powerpc-unknown-linux-gnu/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_POWERPC=y
 CT_KERNEL_LINUX=y
 CT_BINUTILS_PLUGINS=y

samples/powerpc-unknown-linux-uclibc,m68k-unknown-uclinux-uclibc/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_M68K=y
 CT_CANADIAN=y
 CT_HOST="powerpc-unknown-linux-uclibc"

samples/powerpc-unknown-linux-uclibc/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_POWERPC=y
 CT_ARCH_FLOAT_SW=y
 CT_KERNEL_LINUX=y

samples/powerpc-unknown_nofpu-linux-gnu/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_POWERPC=y
 CT_ARCH_FLOAT_SW=y
 CT_TARGET_VENDOR="unknown_nofpu"

samples/powerpc64-multilib-linux-gnu/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_POWERPC=y
 CT_MULTILIB=y
 CT_ARCH_64=y

samples/powerpc64-unknown-linux-gnu/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_POWERPC=y
 CT_ARCH_64=y
 CT_KERNEL_LINUX=y

samples/powerpc64le-unknown-linux-gnu/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_POWERPC=y
 CT_ARCH_LE=y
 CT_ARCH_64=y

samples/riscv32-hifive1-elf/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_EXPERIMENTAL=y
 CT_ARCH_RISCV=y
 CT_ARCH_ARCH="rv32ima"

samples/riscv32-unknown-elf/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_EXPERIMENTAL=y
 CT_ARCH_RISCV=y
 CT_TARGET_VENDOR=""

samples/riscv64-unknown-elf/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_EXPERIMENTAL=y
 CT_ARCH_RISCV=y
 # CT_DEMULTILIB is not set

samples/riscv64-unknown-linux-gnu/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_EXPERIMENTAL=y
 CT_ARCH_RISCV=y
 # CT_DEMULTILIB is not set

samples/s390-ibm-linux-gnu/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_EXPERIMENTAL=y
 CT_ARCH_S390=y
 CT_KERNEL_LINUX=y

samples/s390x-ibm-linux-gnu/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_S390=y
 CT_ARCH_64=y
 CT_KERNEL_LINUX=y

samples/sh-multilib-linux-gnu/crosstool.config

@@ -1,4 +1,4 @@
-CT_CONFIG_VERSION="2"
+CT_CONFIG_VERSION="3"
 CT_ARCH_SH=y
 CT_ARCH_CPU="sh4"
 CT_ARCH_LE_BE=y