x86_64-w64-mingw32 test FAIL t-scanf.c:1477: GNU MP assertion failed: ret == (-1)

[Torbjörn Granlund]

Claude Heiland-Allen <claude at mathr.co.uk> writes:

  > Could the macro __USE_MINGW_ANSI_STDIO be relevant?
  
  Yes, perfect!  I did
  
      CPPFLAGS=-D__USE_MINGW_ANSI_STDIO ./configure
  --host=x86_64-w64-mingw32 --prefix=$HOME/win64
      CPPFLAGS=-D__USE_MINGW_ANSI_STDIO make -j 8
      CPPFLAGS=-D__USE_MINGW_ANSI_STDIO make install
      CPPFLAGS=-D__USE_MINGW_ANSI_STDIO make check
  
  and the whole test suite passes now.
  
User choice is great; one can choose between malfunctioning libc or
explicitly ask for a correct one.

Should we pass this option for mingw on GMP's configure.ac?
Or do people expect broken libc on this platform...?


-- 
Torbjörn
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