In Cmake tutorial, solution for TODO 10:
target_include_directories(Tutorial PUBLIC
"${PROJECT_BINARY_DIR}"
${EXTRA_INCLUDES}
)
I wonder what is difference between "${PROJECT_BINARY_DIR}"
and ${PROJECT_BINARY_DIR}
?
Why are we using quote on the PROJECT_BINARY_DIR
but not in EXTRA_INCLUDES
?
I see both work. Which is recommendation for using variable?