+# --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
+ with_dpdk_path="$withval"
+ with_libdpdk="yes"
+ else
+ if test "x$withval" = "xno"
+ then
+ with_libdpdk="no (disabled)"
+ fi
+ fi
+], [with_libdpdk="no"])
+
+if test "x$with_libdpdk" = "xyes"
+then
+ RTE_BUILD="$with_dpdk_path"
+ DPDK_INCLUDE="$RTE_BUILD/include/dpdk"
+ DPDK_LIB_DIR="$RTE_BUILD/lib"
+ DPDK_LIB="-ldpdk"
+
+ SAVE_CFLAGS="$CFLAGS"
+ SAVE_LDFLAGS="$LDFLAGS"
+ LDFLAGS="$LDFLAGS -L$DPDK_LIB_DIR"
+ CFLAGS="$CFLAGS -I$DPDK_INCLUDE"
+ FOUND_DPDK=false
+ SAVE_LIBS="$LIBS"
+ LIBS="$LIBS $DPDK_LIB"
+ AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM(
+[[
+#include <rte_config.h>
+#include <rte_eal.h>
+]],
+[[
+int rte_argc;
+char ** rte_argv;
+rte_eal_init(rte_argc, rte_argv);
+]]
+ )],
+ [FOUND_DPDK=true])
+ CFLAGS="$SAVE_CFLAGS"
+ LDFLAGS="$SAVE_LDFLAGS"
+ LIBS="$SAVE_LIBS"
+ if test "x$FOUND_DPDK" != "xtrue"
+ then
+ AC_MSG_ERROR([cannot link with dpdk])
+ fi
+ DPDK_LDFLAGS="-ldpdk"
+ BUILD_WITH_DPDK_CFLAGS="-I$DPDK_INCLUDE"
+ BUILD_WITH_DPDK_LDFLAGS="-L$DPDK_LIB_DIR"
+ BUILD_WITH_DPDK_LIBS="$DPDK_LDFLAGS"
+ AC_SUBST(BUILD_WITH_DPDK_CFLAGS)
+ AC_SUBST(BUILD_WITH_DPDK_LDFLAGS)
+ AC_SUBST(BUILD_WITH_DPDK_LIBS)
+fi
+# }}}
+