basic-improvements merge status

[Gabriel Dos Reis]

Jan Hubicka <jh@suse.cz> writes:

| > 	The GCC 3.4BIB libstdc++-v3 failure of 26_numerics/c_math.cc on
| > AIX is occurring because libstdc++-v3/libmath/stubs.c functions are
| > recursing.
| > 
| > #ifndef HAVE_SINF
| > float
| > sinf(float x)
| > {
| >   return (float) sin(x);
| > }
| > #endif
| > 
| > is being compiled as
| 
| I think we can deal with -fno-builtin-fsin to avoid gcc from being
| active on optimizing this.
| The name sinf is reserved by C90 standard, so this is not valid C.

This is part of the *compiler runtime support* so it does make sense
de define the sinf() function.

-- Gaby