If some DPDK libraries are installed on the system, the linker was trying
to use them before searching in -L path.
The obscure reason is that we were prefixing -L with -Wl, to pass it
directly to the linker.
But -L is also a gcc option. And allowing gcc to process this option fixes
the issue.
Signed-off-by: Thomas Monjalon <thomas.monjalon@6wind.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
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