Fix AC_FUNC_MMAP on CheriBSD

Problem reported by Brooks Davis in:
https://lists.gnu.org/r/autoconf/2023-12/msg00022.html
* lib/autoconf/functions.m4: Don’t unmap, since we
want to test remapping something already mapped,
and unmapping breaks on CheriBSD.
This commit is contained in:
Paul Eggert 2023-12-15 18:21:39 -08:00 committed by Zack Weinberg
parent 725652b0d8
commit 5d3f81d4b3

View File

@ -1385,8 +1385,7 @@ main (void)
if (*(data2 + i))
return 7;
close (fd2);
if (munmap (data2, pagesize))
return 8;
/* 'return 8;' not currently used. */
/* Next, try to mmap the file at a fixed address which already has
something else allocated at it. If we can, also make sure that