Re: lilypond-2.19.80-1.linux-64.sh

[David Kastrup]

Blöchl Bernhard <address@hidden> writes:

> The 32 bit lilypond installs without problem. No further problem.
>
> I find it curious that a 64 bit linux installs seamlessly on that
> laptop.

Why wouldn't it?  Most modern CPUs support 64 bit mode.

> Linux Mint definitely does not install a 64 bit version on a 32 bit
> systems but definitely cries for a 32 bit install.

Your laptop is perfectly fine with 64 bit systems.  But you installed a
32 bit system.  Which the laptop is fine with also.  But current CPUs
tend to be optimized for performance in 64 bit mode, so unless your
physical memory and disk space make it prudent to stick with 32 bits
(like having less than 4GB of main memory or your disk almost filled
up), upgrading to 64 bit systems makes sense.

> Concerning to reports about Pentium 3556U
> it offers 64-bit OS support, Features SSE3 / SSE4.1 / SSE4.2
> instructions
> May be "OS support" is something less then full 64 bit support? (May
> be a possible explanation.)

Your CPU would support 64 bit systems, but you are not running a 64 bit
system.

A 32 bit kernel _cannot_ run 64 bit code, even if the CPU itself would
be capable of it.

In contrast, a 64 bit kernel can be made to run 32 bit applications as
well.  Within limits: some ioctl calls are inherently system dependent,
so running 32bit sound applications (for example) on a 64 bit kernel is
likely to cause trouble.

> Eventually there is a compiler option missing in make? I do not do
> further analyses.

Make has nothing to do with it.

-- 
David Kastrup