dmapd: make check library optionnal

Signed-off-by: Nicolas Thill <nico@openwrt.org>

net/dmapd/patches/002-make_unit_test_optionnal.patch

@@ -0,0 +1,17 @@
+--- a/configure.ac
++++ b/configure.ac
+@@ -233,7 +233,13 @@ else
+   AM_CONDITIONAL(USE_LIBDB, false)
+ fi
+ 
+-PKG_CHECK_MODULES([CHECK], [check >= 0.9.4],have_check=yes,have_check=no)
++dnl Test if --enable-unit-test given
++AC_ARG_ENABLE(unit-test, [AC_HELP_STRING([--enable-unit-test],[enable unit test])])
++if test "x$enable_unit_test" = "xyes" ; then
++  PKG_CHECK_MODULES([CHECK], [check >= 0.9.4],have_check=yes,have_check=no)
++else
++  have_check=no
++fi
+ AM_CONDITIONAL(HAVE_CHECK, test x"$have_check" = "xyes")
+ 
+ AM_CONDITIONAL(FLYN, test "$FLYN")