Re: ac-lang-compiler-gnu.patch

[Alexandre Oliva]

On Oct 12, 2000, Akim Demaille <address@hidden> wrote:

> There is one thing which needs to be debated: I believe it is OK to
> compile an empty file with GNU compilers, but if I'm wrong, then
> replacing AC_LANG_SOURCE with AC_LANG_PROGRAM should make it.

It depends on the flags given to the compiler.  C and C++ translation
units must contain at least one declaration, but GCC will accept empty
translation units in non-pedantic mode.  With certain flags, it will
just print warnings.  I'd recommend against empty translation units.

-- 
Alexandre Oliva   Enjoy Guarana', see http://www.ic.unicamp.br/~oliva/
Red Hat GCC Developer                  address@hidden, redhat.com}
CS PhD student at IC-Unicamp        address@hidden, gnu.org}
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