[GRASS-dev] C and C++ standards used by GRASS

[Vaclav Petras]

Hello,

which C and C++ standards we are using? And which we want to use? Do we
even care? Since we can always fix it if somebody wants to build GRASS on
some other compiler than relatively new GCC.

For example, lib/gis build fails with gcc option -std=c89 [1] because of
missing `hypot` buildin [2].

I'm not sure if I already asked about it but I found only K&R function
discussion.

Thanks,
Vaclav

[1] http://gcc.gnu.org/onlinedocs/gcc/Other-Builtins.html#Other-Builtins
[2]
http://gcc.gnu.org/onlinedocs/gcc/C-Dialect-Options.html#C-Dialect-Options

PS: For Python, we have particular version specified (but for Python, it is
more critical).
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