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Diffstat (limited to 'doc/guides/sample_app_ug/vm_power_management.rst')
| -rw-r--r-- | doc/guides/sample_app_ug/vm_power_management.rst | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/doc/guides/sample_app_ug/vm_power_management.rst b/doc/guides/sample_app_ug/vm_power_management.rst index 1ad4f149..5be9f24d 100644 --- a/doc/guides/sample_app_ug/vm_power_management.rst +++ b/doc/guides/sample_app_ug/vm_power_management.rst @@ -657,6 +657,31 @@ To build just the ``guest_vm_power_manager`` application using ``make``: The resulting binary will be ${RTE_SDK}/build/examples/guest_cli +.. Note:: + This sample application conditionally links in the Jansson JSON + library, so if you are using a multilib or cross compile environment you + may need to set the ``PKG_CONFIG_LIBDIR`` environmental variable to point to + the relevant pkgconfig folder so that the correct library is linked in. + + For example, if you are building for a 32-bit target, you could find the + correct directory using the following ``find`` command: + + .. code-block:: console + + # find /usr -type d -name pkgconfig + /usr/lib/i386-linux-gnu/pkgconfig + /usr/lib/x86_64-linux-gnu/pkgconfig + + Then use: + + .. code-block:: console + + export PKG_CONFIG_LIBDIR=/usr/lib/i386-linux-gnu/pkgconfig + + You then use the make command as normal, which should find the 32-bit + version of the library, if it installed. If not, the application will + be built without the JSON interface functionality. + To build just the ``vm_power_manager`` application using ``meson/ninja``: .. code-block:: console |