Set the execute bit on generated script at build time, not install time.
Do not advertise "make install" when ./configure-d with "--local".

-------- diffstat follows --------
/trunk/configure | 8 5 3 0 +++++---
/trunk/Makefile.in | 10 3 7 0 +++-------
2 files changed, 8 insertions(+), 10 deletions(-)

# x86 specific options

config ARCH_x86

    select ARCH_SUPPORT_ARCH

    select ARCH_SUPPORT_CPU

    select ARCH_SUPPORT_TUNE

    help

      The x86 architecture, as defined by:

        http://www.intel.com/