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acinclude: Include libmnl when needed

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DPDK 18.11 uses libmnl when MLX5 PMD is enabled.

This commit makes OVS to link to libmnl when MLX5 PMD is enabled on
DPDK.

Signed-off-by: Timothy Redaelli <tredaelli@redhat.com>
Signed-off-by: Ian Stokes <ian.stokes@intel.com>
This commit is contained in:
Timothy Redaelli
2018-12-14 11:45:20 +01:00
committed by Ian Stokes
parent 789aecd840
commit fc3b425fa0
1 changed files with 13 additions and 0 deletions
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13
acinclude.m4
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@@ -287,6 +287,19 @@ AC_DEFUN([OVS_CHECK_DPDK], [
[AC_DEFINE([DPDK_PDUMP], [1], [DPDK pdump enabled in OVS.])])
])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM(
[
#include <rte_config.h>
#if RTE_LIBRTE_MLX5_PMD
#error
#endif
], [])
], [],
[AC_SEARCH_LIBS([mnl_attr_put],[mnl],[],[AC_MSG_ERROR([unable to find libmnl, install the dependency package])])
DPDK_EXTRA_LIB="-lmnl"
AC_DEFINE([DPDK_MNL], [1], [MLX5 PMD detected in DPDK.])])
# On some systems we have to add -ldl to link with dpdk
#
# This code, at first, tries to link without -ldl (""),