checking if /dev/zero is needed for mmap... no
+configure: WARNING: mmap() of files required but not found
- Due to [[mmap_write-only]].
+ Due to [[mmap_write-only]].
+In file included from [...]/lib/Support/Process.cpp:85:0:
+[...]/lib/Support/Unix/Process.inc: In function 'unsigned int getColumns(int)':