+# If cross-compiling, we need external vppapigen and we cannot continue without it
+# For native builds, we just set dependency on vpppaigen binary in top_builddir
+AM_COND_IF([CROSSCOMPILE],
+[
+ AC_PATH_PROG([VPPAPIGEN], [vppapigen], [no])
+ if test "$VPPAPIGEN" = "no"; then
+ AC_MSG_ERROR([Externaly built vppapigen is needed when cross-compiling...])
+ fi
+],[
+ VPPAPIGEN=\$\(top_builddir\)/vppapigen
+])
+AC_SUBST([VPPAPIGEN])
+
+