diff -r 7727970d04e9 -r e5fc5c9ea78a config/libc/glibc-eglibc.in-common --- a/config/libc/glibc-eglibc.in-common Fri Jul 29 15:30:53 2011 +0200 +++ b/config/libc/glibc-eglibc.in-common Wed Sep 07 01:22:37 2011 +0200 @@ -100,12 +100,14 @@ config LIBC_GLIBC_FORCE_UNWIND bool prompt "Force unwind support (READ HELP!)" + default y help If your toolchain fails building while building the C library start files, or the complete C library, with a message like: configure: error: forced unwind support is required - then you may try setting this to 'y'. Otherwise, leave it to 'n'. + then you may try chmaging this option. Otherwise, leave it to + the default 'y'. The issue seems to be related to building NPTL on old versions of glibc (and possibly eglibc as well) on some architectures