t-libunwind revision 132718 
1# Override the default value from t-slibgcc-elf-ver and mention -lunwind
2# so that the resulting libgcc_s.so has the necessary DT_NEEDED entry for
3# libunwind.
4SHLIB_LC = -lunwind -lc
5LIB2ADDEH = $(srcdir)/unwind-sjlj.c $(srcdir)/unwind-c.c
6