diff -ruN soxr-0.1.3-Source/tests/CMakeLists.txt patched/tests/CMakeLists.txt
--- soxr-0.1.3-Source/tests/CMakeLists.txt	2018-02-21 08:36:46.000000000 +0100
+++ patched/tests/CMakeLists.txt	2018-04-14 23:27:24.229871653 +0200
@@ -23,7 +23,7 @@
 macro (add_vector r)
   set (output ${CMAKE_CURRENT_BINARY_DIR}/ref-${r}.s32)
   add_custom_command (OUTPUT ${output} DEPENDS vector-gen ${CMAKE_CURRENT_LIST_FILE}
-    COMMAND vector-gen ${r} ${leader} ${len} 0 ${sweep_to_freq} 1 ${output})
+    COMMAND vector-gen${CMAKE_EXECUTABLE_SUFFIX} ${r} ${leader} ${len} 0 ${sweep_to_freq} 1 ${output})
   set (vectors ${output} ${vectors})
 endmacro ()