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Matthias Klose <[EMAIL PROTECTED]> writes:
> ok, I'm forwarding this to Martin and Phil, two upstream developers
> (hopefully still ;-) listening on debian-gcc.
I would suggest that the libstdc++ autoconf test should be enhanced:
_GLIBCPP_HAVE_ACOSL should not be defined if no prototype is
available. I'm not quite sure though why the test program passes.
AFAICT, it tries to compile
#include <math.h>
int main()
{
acosl(0);
}
That is compiled using g++.
I'd be curious whether this compiles; it should not because no
prototype is declared for acosl.
If it does compile, the reason should be understood; if it is a good
reason, the test program should be modified to detect that no
prototype is available.
If this code does not compile, it should be investigated why configure
still defines _GLIBCPP_HAVE_ACOSL.
I don't have the time to design a patch, but the relevant macros is
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1, from libstdc++/acinclude.m4.
Regards,
Martin
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