Backport #718 from trunk:
Fix building MPFR on distro that have strict sanity checks on libtool.m4 and ltmain.sh versions mismatch. UNTESTED!

/branches/1.1/scripts/build/mpfr.sh | 11 11 0 0 +++++++++++
1 file changed, 11 insertions(+)

 # Compute IA-64-specific values

 CT_DoArchValues() {

     # The architecture part of the tuple:

     CT_TARGET_ARCH="${CT_ARCH}"

 }