On Tue, 21 Apr 2020 16:54:45 -0300 Dan Gora <d...@adax.com> wrote: > The getentropy() function was introduced into glibc v2.25 and so is > not available on all supported platforms. Previously, if DPDK was > compiled (using meson) on a system which has getentropy(), it would > introduce a dependency on glibc v2.25 which would prevent that binary > from running on a system with an older glibc. Similarly if DPDK was > compiled on a system which did not have getentropy(), getentropy() > could not be used even if the execution system supported it. > > Introduce a new static function, __rte_getentropy() which will try to > resolve the getentropy() function dynamically using dlopen()/dlsym(), > returning failure if the getentropy() function cannot be resolved or > if it fails. > > This also allows getentropy() to be used as the random seed source > when the traditional Makefile build for DPDK is used. > > Signed-off-by: Dan Gora <d...@adax.com>
I don't think DPDK has a requirement that building on newer glibc has to work when run on older version. Glibc doesn't support it.
