Bug#552959: ppl: FTBFS: build blocks

[Israel Herraiz <isra@herraiz.org>]

I think that this problem is related to to the gmp package instead of
ppl.

After seeing this bug report, I have been doing some tests with the
ppl package. Unfortunately I can not reproduce the bug, because my
computer is i686 and I do not have access to an amd64 host.

When configuring the ppl package (on i686), you get this warning
message:

	configure: WARNING: CANNOT PROPAGATE EXCEPTIONS BACK FROM GMP:
	*** MEMORY EXHAUSTION MAY RESULT IN ABRUPT TERMINATION.
	*** This is OK, if you do not plan to use the bounded memory
            capabilities
	*** offered by the PPL.  Otherwise, if you are using GCC or the Intel
	    C/C++
	*** compiler, please make sure you use a version of GMP compiled with
	    the
	*** `-fexceptions' compiler option.
	*** To build such a version, you can configure GMP as follows:
	*** CPPFLAGS=-fexceptions ./configure --enable-cxx --prefix=/usr/local

I have checked the rules script in the gmp source package, and the
CPPFLAGS is not set to any flag.

My guess is that adding -fexceptions to CPPFLAGS in the gmp package
will solve this bug. But as I said above, I cannot test it.

I have reported this to the gmp package (bug #555817).

Cheers,
Israel