[Bug bootstrap/39618] trunk revision 145459 - The configure of libstdc++-v3 hangs while checking for PCH support

[kurt at intricatesoftware dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39618

--- Comment #2 from Kurt Miller <kurt at intricatesoftware dot com> 2011-11-20 03:29:51 UTC ---
Created attachment 25864
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=25864
PCH Supoort for OpenBSD

Attached is a patch against gcc-4.6.2 which uses brk/sbrk for PCH support.
Since malloc uses mmap the heap is unused and at a fixed address (so long as
PIE is not enabled on gcc). I originally wrote this in 2008 for 4.2 and has
been in use