diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2d311930..eba61b13 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -75,7 +75,10 @@ check_include_file(dev/usb/uftdiio.h HAVE_FREEBSD_UFTDI -DHAVE_FREEBSD_UFTDI=1)
 
 check_function_exists(argp_parse HAVE_ARGP)
 if(NOT HAVE_ARGP)
-  find_library(LIB_ARGP NAMES argp argp-standalone)
+  if(NOT ARGP_HINTS)
+    set(ARGP_HINTS ~/argp-standalone/src)
+  endif(NOT ARGP_HINTS)
+  find_library(LIB_ARGP NAMES argp argp-standalone HINTS ARGP_HINTS)
   if (NOT LIB_ARGP)
     message(FATAL_ERROR "argp library not available")
   endif(NOT LIB_ARGP)