[ClusterLabs] help compiling pacemaker 1.1 on Amazon Linux

Jan Pokorný jpokorny at redhat.com
Fri May 6 09:39:17 EDT 2016

On 06/05/16 13:31 +0200, Lars Ellenberg wrote:
> On Fri, May 06, 2016 at 11:51:25AM +0100, Jim Rippon wrote:
>> I'm new to the list so apologies if I'm way off base, but I wonder
>> if someone can help me please?
>> I'm looking to build private RPMs for pacemaker and any dependencies
>> for Amazon Linux because I have as yet been unable to get the CentOS
>> binaries to install successfully.
>> I've got libqb and libqb-devel RPMs built successfully (also not
>> available in amazon linux repos) and installed on my build instance,
>> but I am getting errors when making pacemaker from tag
>> Pacemaker-1.1.14
>> I am doing the following:
>>  git checkout --force Pacemaker-1.1.14
>>  git clean -fdx
>>  ./autogen.sh
>>  ./configure # with options suggested by autogen.sh
>>  make
>> I then receive the following errors from lib/common and the make fails:
>>  In file included from ../../include/crm_internal.h:33:0,
>>  from ipc.c:19:
>>  ipc.c: In function 'crm_ipcs_flush_events':
>>  ../../include/crm/common/logging.h:140:23: error: format '%d'
>> expects argument of type 'int', but argument 10 has type 'ssize_t'
>> [-Werror=format=]
> That's "just" a format error about ssize_t != int.
> See also
> https://github.com/ClusterLabs/pacemaker/commit/fc87717
> where I already fixed this (and other) format errors.
> Of course you could also drop the -Werror,
> and hope that most of the time, for your platform,
> gcc will do something useful still.

This would be done with passing "--disable-fatal-warnings" to
./configure invocation.

Note that such build failures will also go away once you try
with libqb <= v1.0rc1, i.e., anything that doesn't include
https://github.com/ClusterLabs/libqb/pull/175 (736e2c8).

But both will just fool yourself into thinking that Pacemaker
always passes logging parameters per the format strings (and
hence segfaults due to such mishandlings are not possible),
which is not the case until the changeset Lars referenced.

So actually using recently released Pacemaker-1.1.15-rc1
(which includes that) might be a better idea.

Hope this helps.

Jan (Poki)
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