gcc -ansi produces unexpected floating point result

[Paul Edwards]

Hi Marco.

> gcc4 is for building on cygwin for cygwin.

> -mno-cygwin was for building on cygwin for NO cygwin, like mingw.
> It is now a deprecated tweak.

> For that scope are now available 2 cross-compilers
> see packages:

>  mingw-gcc-core
>  mingw64-i686-gcc-core

> both as 4.5.x versions

Thanks for the info. One works, one doesn't.


C:\devel\bwbasic>i686-pc-mingw32-gcc --version
i686-pc-mingw32-gcc (GCC) 4.5.2

C:\devel\bwbasic>i686-pc-mingw32-gcc zatest.c

C:\devel\bwbasic>a
2.000000
2.000000

C:\devel\bwbasic>i686-pc-mingw32-gcc -ansi zatest.c

C:\devel\bwbasic>a
0.000000
2.000000



C:\devel\bwbasic>i686-w64-mingw32-gcc --version
i686-w64-mingw32-gcc (GCC) 4.5.3

C:\devel\bwbasic>i686-w64-mingw32-gcc zatest.c

C:\devel\bwbasic>a
2.000000
2.000000

C:\devel\bwbasic>i686-w64-mingw32-gcc -ansi zatest.c

C:\devel\bwbasic>a
2.000000
2.000000



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