This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Re: mmap checks by blacklist, not fragile AC_TRY_RUN test
On Wed, Jun 04, 2003 at 08:51:45PM -0700, Zack Weinberg wrote:
>Christopher Faylor <cgf@redhat.com> writes:
>>>I am going to check in the change to ggc-page.c, which is independent,
>>>but wait another 24 hours for more feedback on the configure changes.
>>>This diff includes only the configure changes.
>>
>> I'm not sure that blacklisting cygwin re /dev/zero is correct. It might
>> have been correct at one point but recent versions may work correctly.
>> Did you determine this from direct testing?
>
>I had understood from you that the problems were unfixable.
Ah, right. My memory on this is hazy. I thought some things worked on
only on Windows NT but maybe the /dev/zero mmap would never work.
>What happens when you run the test program from the old autoconf check
>on recent cygwin?
I'll try to do that tomorrow.
cgf