[rtems-docs commit] FreeBSDL: Add command to improve waf' s performance with Python3.

[Chris Johns]

Module:    rtems-docs
Branch:    master
Commit:    40075912616a6b44f44cd26c538b43e8679dd612
Changeset: http://git.rtems.org/rtems-docs/commit/?id=40075912616a6b44f44cd26c538b43e8679dd612

Author:    Chris Johns <chrisj at rtems.org>
Date:      Thu Sep  5 17:58:57 2019 +1000

FreeBSDL: Add command to improve waf's performance with Python3.

---

 user/hosts/posix.rst | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/user/hosts/posix.rst b/user/hosts/posix.rst
index 55378f3..12bfc94 100644
--- a/user/hosts/posix.rst
+++ b/user/hosts/posix.rst
@@ -170,8 +170,8 @@ opportunity to contribute. Please submit any guidance you can provide.
 FreeBSD
 -------
 
-The RTEMS Source Builder has been tested on FreeBSD 9.1, 10.3 and 11 64bit
-version. You need to install some ports. They are:
+The RTEMS Source Builder has been tested on FreeBSD 9.1, 10.3, 11 and
+12 64bit version. You need to install some ports. They are:
 
 .. code-block:: none
 
@@ -193,6 +193,15 @@ QEMU.
 If you are on FreeBSD 10.0 and you have pkgng installed you can use 'pkg
 install' rather than 'portinstall'.
 
+We recommend you run as root the following command to speed up Python
+3's subprocess support:
+
+.. code-block:: none
+
+  # mount -t fdescfs none /dev/fd
+
+This speeds up closing file descriptors when creating subprocesses.
+
 .. _NetBSD:
 
 NetBSD