[patch] Re: Disable -lmcheck when Python has threads (Re: [BUG] gdb crash when "python import gtk")

[Khoo Yit Phang]

Hi,

On Aug 31, 2012, at 11:40 AM, Andreas Schwab wrote:

> Khoo Yit Phang <khooyp@cs.umd.edu> writes:
> 
>> +if test -z "${ENABLE_LIBMCHECK}" \
>> +        -a \( "${have_libpython}" = "no" \
>> +	     -o "${python_has_threads}" = "no" \) \
> 
> Such complicated test expressions are not portable, you should use
> separate test invocations chained with || and &&.

Can you clarify the rule-of-thumb for this? Both -a and -o are used in tests elsewhere in configure.ac. No more than one -a or -o?

Thanks,

Yit
August 31, 2012