3.0 Patch: in-tree configury

[Alexandre Petit-Bianco]

Tom Tromey writes:

> This patch makes the in-tree configure and build succeed for me on
> Solaris 2.6.

I'm trying that on Solaris 2.5 where I've been seeing things like
what's appended below.

./A

checking if /horton/apbianco/gcc-branch-testing/sparc-sun-solaris2.5.1/gcc/gcc/xgcc supports -c -o file.o... (cached) yes
checking if /horton/apbianco/gcc-branch-testing/sparc-sun-solaris2.5.1/gcc/gcc/xgcc supports -fno-rtti -fno-exceptions ... yes
checking whether the linker (/home/apbianco/gcc-branch-testing/install/solaris2.5.1/bin/ld) supports shared libraries... yes
checking how to hardcode library paths into programs... immediate
checking whether stripping libraries is possible... yes
checking dynamic linker characteristics... solaris2.5.1 ld.so
checking command to parse /home/apbianco/gcc-branch-testing/install/solaris2.5.1/sparc-sun-solaris2.5.1/bin/nm output... ok
checking if libtool supports shared libraries... yes
checking whether to build shared libraries... yes
checking whether to build static libraries... yes
creating libtool
loading cache ../config.cache
loading cache ../config.cache within ltconfig
configure: error: libtool tag configuration failed
make: *** [configure-target-boehm-gc] Error 1
Building gcc failed