Link ABACUS binary under build root

Author: Growl1234

source/CMakeLists.txt

@@ -429,7 +429,12 @@ set(ABACUS_TEST_DIR "${PROJECT_SOURCE_DIR}/tests")
 include(${PROJECT_SOURCE_DIR}/cmake/Testing.cmake)
 
 add_executable(${ABACUS_BIN_NAME} source_main/main.cpp)
-set(ABACUS_BIN_PATH ${CMAKE_CURRENT_BINARY_DIR}/${ABACUS_BIN_NAME})
+
+set_target_properties(
+  ${ABACUS_BIN_NAME}
+  PROPERTIES
+  RUNTIME_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}")
+set(ABACUS_BIN_PATH ${PROJECT_BINARY_DIR}/${ABACUS_BIN_NAME})
 
 if(USE_CUDA)
   set_property(TARGET ${ABACUS_BIN_NAME}