Re: [dpdk-dev] [PATCH] devtools/test-meson-builds: allow custom set of examples

[Thomas Monjalon <thomas@monjalon.net>]

27/10/2020 18:38, Bruce Richardson:
> To test the installation process of DPDK using "ninja install"
> test-meson-builds.sh builds a subset of the examples using "make". To allow
> more flexibility for people testing, allow the set of examples chosen for
> this make test to be overridden using variable "DPDK_BUILD_TEST_EXAMPLES"
> in the environment.
> 
> Since a number of example apps link against drivers directly even for
> shared builds, we need to ensure that LD_LIBRARY_PATH points to the main
> DPDK lib folder so any dependencies of those drivers can be found e.g. that
> the PCI/vdev bus driver .so is found. [All drivers are symlinked from
> drivers dir back to lib dir on install, so only one dir rather than two is
> needed in the path.]
[...]
> +libdir=$(dirname $(find $DESTDIR -name librte_eal.so))
> +export LD_LIBRARY_PATH=$libdir:$LD_LIBRARY_PATH

I don't get why libdir is required for some examples,
and not for others? The pkg-config file is not enough?

> +examples_to_test=${DPDK_BUILD_TEST_EXAMPLES:-"cmdline helloworld l2fwd l3fwd skeleton timer"}

It makes me think that we should rename TEST_MESON_BUILD_VERY_VERBOSE
to DPDK_BUILD_TEST_VERY_VERBOSE for consistency.