complibs/cloog: regenerate autostuff files

Latest version of CLooG does not have properly generated autoconf files,
so they need to be regenerated before the call to ./configure

Signed-off-by: "Ilya A. Volynets-Evenbakh" <ilya@total-knowlege.com>
[yann.morin.1998@anciens.enib.fr: make it conditional on 0.15.10 only]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
(transplanted from 32c7bbfa3f6514a0fbd5a7388d33e664ba62ed89)

diff -durN gcc-4.4.4.orig/gcc/config/netbsd-elf.h gcc-4.4.4/gcc/config/netbsd-elf.h

--- gcc-4.4.4.orig/gcc/config/netbsd-elf.h	2007-09-03 18:14:04.000000000 +0200

+++ gcc-4.4.4/gcc/config/netbsd-elf.h	2010-05-16 19:11:50.000000000 +0200

@@ -82,6 +82,7 @@

 #define NETBSD_LINK_SPEC_ELF \

   "%{assert*} %{R*} %{rpath*} \

    %{shared:-shared} \

+   %{symbolic:-Bsymbolic} \

    %{!shared: \

      -dc -dp \

      %{!nostdlib: \