Bug: Build failed in Android

[813ethan]

Describe the bug

build failed with multiple errors in Android Termux v0.119.0-beta.1

log produced:

[0/1] Re-running CMake...
-- Building for Android.
-- Configuring done (0.2s)
-- Generating done (0.1s)
-- Build files have been written to: /data/data/com.termux/files/home/storage/projects/cpp/Steppable/build
[2/117] Building CXX objec...les/util.dir/symbols.cpp.o
FAILED: src/CMakeFiles/util.dir/symbols.cpp.o
/data/data/com.termux/files/usr/bin/c++ -DLINUX -I/data/data/com.termux/files/home/storage/projects/cpp/Steppable/include -O2 -g -DNDEBUG -std=c++20 -fPIC -MD -MT src/CMakeFiles/util.dir/symbols.cpp.o -MF src/CMakeFiles/util.dir/symbols.cpp.o.d -o src/CMakeFiles/util.dir/symbols.cpp.o -c /data/data/com.termux/files/home/storage/projects/cpp/Steppable/src/symbols.cpp
/data/data/com.termux/files/home/storage/projects/cpp/Steppable/src/symbols.cpp:128:40: error: redefinition of 'SUPERSCRIPTS' with a different type: 'const std::array<std::string, 10> &' (aka 'const array<basic_string<char>, 10> &') vs 'const std::array<const std::string_view &, 10> &' (aka 'const array<const basic_string_view<char> &, 10> &')
  128 |     const std::array<std::string, 10>& SUPERSCRIPTS = { "\u2070", "\u00b9", "\u00b2", "\u00b3", "\u2074",
      |                                        ^
/data/data/com.termux/files/home/storage/projects/cpp/Steppable/include/symbols.hpp:194:59: note: previous declaration is here
  194 |     extern const std::array<const std::string_view&, 10>& SUPERSCRIPTS;
      |                                                           ^
In file included from /data/data/com.termux/files/home/storage/projects/cpp/Steppable/src/symbols.cpp:23:
In file included from /data/data/com.termux/files/home/storage/projects/cpp/Steppable/include/symbols.hpp:35:
/data/data/com.termux/files/usr/include/c++/v1/array:157:23: error: 'iterator' declared as a pointer to a reference of type 'value_type' (aka 'const std::string_view &')
  157 |     typedef value_type*                           iterator;
      |                       ^
/data/data/com.termux/files/home/storage/projects/cpp/Steppable/src/symbols.cpp:146:35: note: in instantiation of template class 'std::array<const std::string_view &, 10>' requested here
  146 |                 ss << SUPERSCRIPTS.at(c - '0');
      |                                   ^
In file included from /data/data/com.termux/files/home/storage/projects/cpp/Steppable/src/symbols.cpp:23:
In file included from /data/data/com.termux/files/home/storage/projects/cpp/Steppable/include/symbols.hpp:35:
/data/data/com.termux/files/usr/include/c++/v1/array:158:29: error: 'const_iterator' declared as a pointer to a reference of type 'value_type' (aka 'const std::string_view &')
  158 |     typedef const value_type*                     const_iterator;
      |                             ^
/data/data/com.termux/files/usr/include/c++/v1/array:159:23: error: 'pointer' declared as a pointer to a reference of type 'value_type' (aka 'const std::string_view &')
  159 |     typedef value_type*                           pointer;
      |                       ^
/data/data/com.termux/files/usr/include/c++/v1/array:160:29: error: 'const_pointer' declared as a pointer to a reference of type 'value_type' (aka 'const std::string_view &')                                                    160 |     typedef const value_type*                     const_pointer;
      |                             ^                   /data/data/com.termux/files/usr/include/c++/v1/array:166:17: error: '__elems_' declared as array of references of type 'const std::string_view &'                         166 |     _Tp __elems_[_Size];
      |                 ^
/data/data/com.termux/files/usr/include/c++/v1/array:247:15: error: 'data' declared as a pointer to a reference of type 'value_type' (aka 'const std::string_view &')
  247 |     value_type* data() _NOEXCEPT {return __elems_;}
      |               ^
/data/data/com.termux/files/usr/include/c++/v1/array:249:21: error: 'data' declared as a pointer to a reference of type 'value_type' (aka 'const std::string_view &')
  249 |     const value_type* data() const _NOEXCEPT {return __elems_;}
      |                     ^                           /data/data/com.termux/files/home/storage/projects/cpp/Steppable/src/symbols.cpp:158:16: error: no viable conversion from returned value of type 'const std::string_view' to function return type 'std::string' (aka 'basic_string<char>')
  158 |         return SUPERSCRIPTS.at(normal - '0');
      |                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/data/data/com.termux/files/usr/include/c++/v1/string:849:55: note: candidate constructor not viable: no known conversion from 'const std::string_view' to 'string &&' for 1st argument                                           849 |   _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 basic_string(basic_string&& __str)
      |                                                       ^            ~~~~~~~~~~~~~~~~~~~~
/data/data/com.termux/files/usr/include/c++/v1/string:879:55: note: candidate constructor template not viable: no known conversion from 'const std::string_view' to 'const char *' for 1st argument
  879 |   _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 basic_string(const _CharT* __s)
      |                                                       ^            ~~~~~~~~~~~~~~~~~
/data/data/com.termux/files/usr/include/c++/v1/string:994:55: note: candidate constructor not viable: no known conversion from 'const std::string_view' to 'initializer_list<char>' for 1st argument
  994 |   _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 basic_string(initializer_list<_CharT> __il)
      |                                                       ^            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~        /data/data/com.termux/files/usr/include/c++/v1/string:2144:44: note: candidate constructor not viable: no known conversion from 'const std::string_view' to 'const string &' for 1st argument
  845 | basic_string<_CharT, _Traits, _Allocator>::basic_string(const basic_string& __str)                            |                                            ^
/data/data/com.termux/files/usr/include/c++/v1/string:834:64: note: explicit constructor is not a candidate
  834 |   _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 explicit basic_string(const allocator_type& __a)
      |                                                                ^
/data/data/com.termux/files/usr/include/c++/v1/string:969:93: note: explicit constructor is not a candidate
  969 |   _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS _LIBCPP_CONSTEXPR_SINCE_CXX20 explicit basic_string(
      |                                                                                             ^
9 errors generated.
[10/117] Building CXX obje...es/util.dir/argParse.cpp.o
ninja: build stopped: subcommand failed.

To Reproduce

compiler: clang 18.1.8
build command in latest develop branch:
/data/data/com.termux/files/usr/bin/cmake --no-warn-unused-cli -DCMAKE_BUILD_TYPE:STRING=RelWithDebInfo -DCMAKE_EXPORT_COMPILE_COMMANDS:BOOL=TRUE -S/data/data/com.termux/files/home/storage/projects/cpp/Steppable -B/data/data/com.termux/files/home/storage/projects/cpp/Steppable/build -G Ninja

Expected behavior

The project should be built without errors

OS

• Termux v0.119.0-beta.1
• Android 14 QPR3

[ZCG-coder]

Yes, it is a known issue. Try building the latest commit instead.

[813ethan]

working