Trying to fix compilation...

src/CMakeLists.txt

@@ -62,5 +62,13 @@ if ("${BUILD_LIB}" STREQUAL "yes")
         add_library(boost_unit_test SHARED boost_test_lib_dummy.cpp)
         add_library(exprtk SHARED exprtk.cpp)
 	endif()
+
+    target_include_directories(
+        libboost_unit_test
+
+        PRIVATE
+            ${Boost_INCLUDE_DIRS}
+    )
+
 endif ()