added missing boost check, credits to Marius Mikucionis for the patch

Author: petergjoel

src/CMakeLists.txt

@@ -3,18 +3,19 @@ project(PRLearn C CXX)
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_INCLUDE_CURRENT_DIR ON)
 
+find_package(Boost 1.54 REQUIRED COMPONENTS headers REQUIRED)
 
 add_library(prlearn SHARED ${HEADER_FILES} MLearning.cpp SimpleMLearning.cpp RefinementTree.cpp structs.cpp)
 add_library(prlearnStatic STATIC ${HEADER_FILES} MLearning.cpp SimpleMLearning.cpp RefinementTree.cpp structs.cpp)
 
-target_include_directories (prlearn PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
-target_include_directories (prlearnStatic PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
+target_include_directories(prlearn PUBLIC ${CMAKE_CURRENT_SOURCE_DIR} ${Boost_INCLUDE_DIRS})
+target_include_directories(prlearnStatic PUBLIC ${CMAKE_CURRENT_SOURCE_DIR} ${Boost_INCLUDE_DIRS})
 set_target_properties(prlearnStatic PROPERTIES OUTPUT_NAME prlearn)
 
 
-install(TARGETS prlearn 
+install(TARGETS prlearn
 	RUNTIME DESTINATION bin
-	LIBRARY DESTINATION lib 
+	LIBRARY DESTINATION lib
 	ARCHIVE DESTINATION lib)
 install (FILES  MLearning.h
 		propts.h