[pbuilder] 01/01: pbuilderrc.5: Document that USESHM is ignored on hurd

[James Clarke]

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jrtc27 pushed a commit to branch master
in repository pbuilder.

commit 6be3c976f86608395bb4c0d96a72b6b509674ea5
Author: James Clarke <jrtc27 at debian.org>
Date:   Wed Jan 18 12:39:31 2017 +0000

    pbuilderrc.5: Document that USESHM is ignored on hurd
---
 pbuilderrc.5 | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/pbuilderrc.5 b/pbuilderrc.5
index 7384a94..d2c7e7d 100644
--- a/pbuilderrc.5
+++ b/pbuilderrc.5
@@ -476,7 +476,8 @@ Specify
 .B yes
 when it is desired to mount
 .B /dev/shm
-mount point. It is usually a good idea in order to work with software that expect shm to work.
+mount point. It is usually a good idea in order to work with software that
+expects shm to work.
 .br
 .B /run/shm
 will be configured as a symbolic link to
@@ -487,6 +488,12 @@ This option used to be named
 for compatibility purpose the old name is still supported, and if set it'll
 override any
 .BR USESHM .
+.br
+Has no effect on GNU/Hurd hosts due to bugs in
+.BR /hurd/tmpfs ;
+since /dev is always bind-mounted, the host's
+.B /dev/shm
+will be used.
 
 .TP
 .BI "USE_PDEBUILD_INTERNAL=" "yes"

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