[dpdk-dev] [PATCH] examples/vm_power_manager: fix build with libvirt version < 0.9.3

[Thomas Monjalon]

2016-04-11 11:45, Marvin Liu:
> vm_power_manager utilize libvirt API virDomainGetVcpuPinInfo for
> retrieve domU vcpu information. This API implemented from version 0.9.3.
> Suse11 SP3 32bit default libvirt version is 0.8.8, so there'll be build
> error. Add judgement in sample Makefile to skip unsupport environment.
> 
> examples/vm_power_manager/channel_manager.c: In function
> ‘update_pcpus_mask’:
> channel_manager.c:117:3: error: implicit declaration of function
> ‘virDomainGetVcpuPinInfo’
> 
> Fixes: 2e099bc5d104 ("fix split of compiler and linker options")

I think the issue has always been there:
Fixes: e8ae9b662506 ("examples/vm_power: channel manager and monitor in host")

> +LIBVIRT_COMMON = libvirt-common.h
> +LIBVIRT_HEADER = libvirt.h
> +INCLUDE_PATH = /usr/include/libvirt/

You cannot assume it will be installed in this directory.
Please check the version with the standard pkg-config:
	pkg-config --atleast-version=0.9.3 libvirt
It can work even in cross compilation environment thanks to PKG_CONFIG_PATH.