+# --with-libdpdk {{{
+AC_ARG_WITH(libdpdk, [AS_HELP_STRING([--with-libdpdk@<:@=PREFIX@:>@], [Path to the DPDK build directory.])],
+[
+ if test "x$withval" != "xno" && test "x$withval" != "xyes"
+ then
+ RTE_BUILD="$withval"
+ with_libdpdk="yes"
+ else
+ RTE_BUILD="/usr"
+ with_libdpdk="$withval"
+ fi
+ DPDK_INCLUDE="$RTE_BUILD/include"
+ DPDK_LIB_DIR="$RTE_BUILD/lib"
+ FOUND_DPDK=yes
+], [with_libdpdk="no"])
+
+if test "x$with_libdpdk" = "xyes"
+then
+ LOCAL_DPDK_INSTALL="no"
+ AC_CHECK_HEADER([$DPDK_INCLUDE/rte_config.h], [LOCAL_DPDK_INSTALL=yes],
+ [AC_CHECK_HEADER([$DPDK_INCLUDE/dpdk/rte_config.h],
+ [],
+ [FOUND_DPDK=no], [])], [])
+
+ if test "x$LOCAL_DPDK_INSTALL" = "xno"
+ then
+ DPDK_INCLUDE=$DPDK_INCLUDE/dpdk
+ fi
+
+ if test "x$FOUND_DPDK" = "xno"
+ then
+ AC_MSG_ERROR([libdpdk error: rte_config.h not found])
+ fi
+fi
+
+if test "x$with_libdpdk" = "xyes"
+then
+ SAVE_LDFLAGS="$LDFLAGS"
+
+ if test "x$LOCAL_DPDK_INSTALL" != "xyes"
+ then
+ LDFLAGS="$LDFLAGS -L$DPDK_LIB_DIR"
+ fi
+
+ AC_CHECK_LIB(dpdk, rte_eal_init,
+ [BUILD_WITH_DPDK_LIBS="-Wl,-ldpdk"],
+ [FOUND_DPDK=no])
+
+ LDFLAGS="$SAVE_LDFLAGS"
+ if test "x$FOUND_DPDK" = "xno"
+ then
+ AC_MSG_ERROR([libdpdk error: cannot link with dpdk in $DPDK_LIB_DIR])
+ fi
+fi
+
+#
+# Note: An issue on Ubuntu 14.04 necessitates the use of -Wl,--no-as-needed:
+# If you try compile with the older linker, the dpdk symbols will be undefined.
+# This workaround should be removed when no longer necessary.
+#
+if test "x$with_libdpdk" = "xyes"
+then
+ BUILD_WITH_DPDK_CFLAGS+="-I$DPDK_INCLUDE"
+ if test "x$LOCAL_DPDK_INSTALL" != "xyes"
+ then
+ BUILD_WITH_DPDK_LDFLAGS="-Wl,--no-as-needed"
+ else
+ BUILD_WITH_DPDK_LDFLAGS="-L$DPDK_LIB_DIR -Wl,--no-as-needed"
+ fi
+ AC_SUBST(BUILD_WITH_DPDK_CFLAGS)
+ AC_SUBST(BUILD_WITH_DPDK_LDFLAGS)
+ AC_SUBST(BUILD_WITH_DPDK_LIBS)
+fi
+# }}}
+