[Xen-devel] [OSSTEST PATCH] ts-xen-build-prep: Install libelf-dev for benefit of linux.git

[Ian Jackson <ian.jackson@xxxxxxxxxxxxx>]

Linux upstream has started needing libelf-dev.  Without it, recent tip
fails (in our configuration) like this:

 Makefile:938: *** "Cannot generate ORC metadata for CONFIG_UNWINDER_ORC=y, 
please install libelf-dev, libelf-devel or elfutils-libelf-devel".  Stop.

It is not clear exactly when this requirement was introduced.  Our
bisector said:
  Bug introduced:  91a6a6cfee8ad34ea4cc10a54c0765edfe437cdb
  Bug not present: 1c9dbd4615fd751e5e0b99807a3c7c8612e28e20
but the "introduced" commit is a merge of a large branch, so it's not
blaming a specific commit.  None of the commits in that range mention
libelf so the most likely reason is a consequence of a change to some
configuration interactions (ie, probably, an expansion of the scope of
an existing dependency).

CC: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
CC: Stefano Stabellini <sstabellini@xxxxxxxxxx>
CC: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
CC: Juergen Gross <jgross@xxxxxxxx>
CC: Paul Durrant <paul.durrant@xxxxxxxxxx>
CC: Wei Liu <wei.liu2@xxxxxxxxxx>
Signed-off-by: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
---
 ts-xen-build-prep | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ts-xen-build-prep b/ts-xen-build-prep
index 3e98364..3309216 100755
--- a/ts-xen-build-prep
+++ b/ts-xen-build-prep
@@ -207,6 +207,7 @@ sub prep () {
                       autoconf automake libtool xsltproc
                       libxml2-utils libxml2-dev
                       libdevmapper-dev w3c-dtd-xhtml libxml-xpath-perl
+                      libelf-dev
                       ccache nasm checkpolicy ebtables);
 
     if ($ho->{Suite} !~ m/squeeze|wheezy/) {
-- 
2.1.4


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