DPDK 18.11 uses libverbs and libmlx5 when MLX5 PMD is enabled.

This commit makes OVS to link to libverbs and libmlx5 when MLX5 PMD is
enabled on DPDK.

Signed-off-by: Eli Britstein <el...@mellanox.com>
Reviewed-by: Shahaf Shuler <shah...@mellanox.com>
Reviewed-by: Asaf Penso <as...@mellanox.com>
---
 acinclude.m4 | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/acinclude.m4 b/acinclude.m4
index f038fd457..e47ae8b91 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -300,6 +300,30 @@ AC_DEFUN([OVS_CHECK_DPDK], [
        DPDK_EXTRA_LIB="-lmnl"
        AC_DEFINE([DPDK_MNL], [1], [MLX5 PMD detected in DPDK.])])
 
+    AC_COMPILE_IFELSE([
+      AC_LANG_PROGRAM(
+        [
+          #include <rte_config.h>
+#if defined(RTE_LIBRTE_MLX5_PMD) && !defined(RTE_LIBRTE_MLX5_DLOPEN_DEPS)
+#error
+#endif
+        ], [])
+      ], [],
+      [AC_SEARCH_LIBS([mlx5dv_create_wq],[mlx5],[],[AC_MSG_ERROR([unable to 
find libmlx5, install the dependency package])])
+       DPDK_EXTRA_LIB="-lmlx5"])
+
+    AC_COMPILE_IFELSE([
+      AC_LANG_PROGRAM(
+        [
+          #include <rte_config.h>
+#if defined(RTE_LIBRTE_MLX5_PMD) && !defined(RTE_LIBRTE_MLX5_DLOPEN_DEPS)
+#error
+#endif
+        ], [])
+      ], [],
+      [AC_SEARCH_LIBS([verbs_init_cq],[ibverbs],[],[AC_MSG_ERROR([unable to 
find libibverbs, install the dependency package])])
+       DPDK_EXTRA_LIB="-libverbs"])
+
     # On some systems we have to add -ldl to link with dpdk
     #
     # This code, at first, tries to link without -ldl (""),
-- 
2.14.5

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