-ffunction-sections

[Tony Bryant]

For those that care to try their luck using -ffunction-sections when building 
a cross compiled libstdc++ - you'll have to manually enable it - using 
--enable-cxx-flags=-ffunction-sections. 

The call in configure to GLIBCPP_CHECK_COMPILER_FEATURES has been commented 
out. How inconvenient...

This whole cross compiler configuring section seems awfully messy and 
arbitrary. There has to be A Better Way (TM). 

Also, Is it possible to set --enable-cxx-flags in libstdc++ from the toplevel 
gcc configure script?