make-3.80 does not have $(lastword ...). Fix this when ct-ng calls itself: don't try to be smart, we just _know_ where ct-ng is at configure time!
Fis a latent bug in handling the number parallel jobs.
1 diff -durN gcc-4.2.1.orig/libstdc++-v3/configure gcc-4.2.1/libstdc++-v3/configure
2 --- gcc-4.2.1.orig/libstdc++-v3/configure 2007-08-03 20:30:21.000000000 +0200
3 +++ gcc-4.2.1/libstdc++-v3/configure 2007-08-03 20:33:56.000000000 +0200
5 cat >>conftest.$ac_ext <<_ACEOF
9 +#error ugly hack to make sure configure test fails here for cross until uClibc supports the complex funcs