On dropping -D_REENTRANT -D_THREAD_SAFE

[Sam Varshavchik]

Simon Josefsson writes:

> My conclusion is that -D_REENTRANT -D_THREAD_SAFE is not needed on glibc
> systems.  Does anyone know of other systems that needs these defines to
> work properly?
> 
> I'm inclined to remove the lines from configure.in.  If some other
> system needs this to have working standard C/POSIX functions, we could
> solve it via a gnulib module, I suppose.

You don't even need to do that at all. If someone needs these symbols, they 
can simply set CPPFLAGS before running configure (the -D flags belong in 
CPPFLAGS, rather than CFLAGS, in any case).


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