Build libsigc++-2.0 for arm

./configure --prefix=/star.branches.avupnp/tools/arm-uclibc-3.4.6 --build=i386-pc-linux --host=arm-linux

vi Makefile
SUBDIRS = sigc++ tests docs examples scripts MSVC_Net2003
remove docs MSVC_Net2003
SUBDIRS = sigc++ tests examples scripts