glib-2.0: Fix ptest to build with uclibc.

Only install eglibc-specific dependencies when building for eglibc.
Tweak a test case that won't build with uclibc.

Signed-off-by: Björn Stenberg <bjst@enea.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
libiconv: Remove RPATH from binaries

Modify libtool to not add RPATH.
This solves https://bugzilla.yoctoproject.org/show_bug.cgi?id=2669

Signed-off-by: Björn Stenberg <bjst@enea.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>