eal/windows: align getopt to FreeBSD

Having different prototypes on different platforms can lead to lots of
unnecessary workarounds. It looks like the version of getopt used
from windows was based o

eal/windows: align getopt to FreeBSD

Having different prototypes on different platforms can lead to lots of
unnecessary workarounds. It looks like the version of getopt used
from windows was based on an older out of date version from FreeBSD.

This patch changes getopt, getopt_long, etc to have the same const
attributes as Linux and FreeBSD. The changes are derived from
the current FreeBSD version of getopt_long.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Acked-by: Tyler Retzlaff <roretzla@linux.microsoft.com>
Acked-by: Dmitry Kozlyuk <dmitry.kozliuk@gmail.com>
Acked-by: Morten Brørup <mb@smartsharesystems.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: Chengwen Feng <fengchengwen@huawei.com>

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lib: remove librte_ prefix from directory names

There is no reason for the DPDK libraries to all have 'librte_' prefix on
the directory names. This prefix makes the directory names longer and also
m

lib: remove librte_ prefix from directory names

There is no reason for the DPDK libraries to all have 'librte_' prefix on
the directory names. This prefix makes the directory names longer and also
makes it awkward to add features referring to individual libraries in the
build - should the lib names be specified with or without the prefix.
Therefore, we can just remove the library prefix and use the library's
unique name as the directory name, i.e. 'eal' rather than 'librte_eal'

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>

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