https://codereview.appspot.com/561390043/diff/557260051/lily/include/score-engraver.hh File lily/include/score-engraver.hh (right):
https://codereview.appspot.com/561390043/diff/557260051/lily/include/score-engraver.hh#newcode26 lily/include/score-engraver.hh:26: #include <gc.h> On 2020/02/01 11:00:40, hahnjo wrote: > This effectively adds a dependency on libgc which you should search for at > configure - it is not necessarily installed in a default location. I'm confused - does this mean `gc/gc.h` or `libguile/gc.h`? I think the latter only includes `gc/gc.h` transitively through `libguile/bdw-gc.h` if BUILDING_LIBGUILE is defined, so this code needs the first. https://codereview.appspot.com/561390043/