- --extra-cflags="-D_GNU_SOURCE=1 %{rpmcppflags} %{rpmcflags}%{?with_decklink: -I/usr/include/decklink} -I/usr/include/opencv4" \
- --extra-cxxflags="-D_GNU_SOURCE=1 %{rpmcppflags} %{rpmcxxflags}%{?with_decklink: -I/usr/include/decklink} -I/usr/include/opencv4" \
+ --extra-cflags="-D_GNU_SOURCE=1 %{rpmcppflags} %{rpmcflags}%{?with_decklink: -I/usr/include/decklink}%{?with_opencv: -I/usr/include/opencv4}" \
+ --extra-cxxflags="-D_GNU_SOURCE=1 %{rpmcppflags} %{rpmcxxflags}%{?with_decklink: -I/usr/include/decklink}%{?with_opencv: -I/usr/include/opencv4}" \