setup build failure

[Jon Turney]

On 05/10/2021 17:29, Ken Brown via Cygwin-apps wrote:
> The current setup sources fail to build because ~StringChoiceOption is 
> not defined:
> 
>    CXXLD    setup.exe
> /usr/lib/gcc/x86_64-w64-mingw32/11/../../../../x86_64-w64-mingw32/bin/ld: io_stream_cygfile.o:/home/kbrown/src/cygsetup/x86_64/../setup/io_stream_cygfile.cc:40: 
> undefined reference to `StringChoiceOption::~StringChoiceOption()'
> /usr/lib/gcc/x86_64-w64-mingw32/11/../../../../x86_64-w64-mingw32/bin/ld: io_stream_cygfile.o:/home/kbrown/src/cygsetup/x86_64/../setup/io_stream_cygfile.cc:43: 
> undefined reference to 
> `StringChoiceOption::StringChoiceOption(std::vector<std::pair<char 
> const*, int>, std::allocator<std::pair<char const*, int> > >, char, char 
> const*, std::__cxx11::basic_string<char, std::char_traits<char>, 
> std::allocator<char> > const&, bool, int, int)'
> /usr/lib/gcc/x86_64-w64-mingw32/11/../../../../x86_64-w64-mingw32/bin/ld: main.o:/home/kbrown/src/cygsetup/x86_64/../setup/main.cc:107: 
> undefined reference to `StringChoiceOption::~StringChoiceOption()'
> /usr/lib/gcc/x86_64-w64-mingw32/11/../../../../x86_64-w64-mingw32/bin/ld: main.o:/home/kbrown/src/cygsetup/x86_64/../setup/main.cc:107: 
> undefined reference to 
> `StringChoiceOption::StringChoiceOption(std::vector<std::pair<char 
> const*, int>, std::allocator<std::pair<char const*, int> > >, char, char 
> const*, std::__cxx11::basic_string<char, std::char_traits<char>, 
> std::allocator<char> > const&, bool, int, int)'
> collect2: error: ld returned 1 exit status

You need to autoreconf in the libgetopt++ subdir (the simplest way is 
just to re-run the top-level bootstrap.sh script)

I'm not sure why the necessary autofoolery doesn't happen automatically.