v01d commented on a change in pull request #334:
URL:
https://github.com/apache/incubator-nuttx-apps/pull/334#discussion_r455134281
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File path: graphics/lvgl/Makefile
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@@ -78,20 +78,21 @@ $(LVGL_UNPACKNAME): $(LVGL_TARBALL)
$(Q) mv lvgl-$(LVGL_VERSION) $(LVGL_UNPACKNAME)
$(Q) touch $(LVGL_UNPACKNAME)
-lvgl/lvgl.h: $(LVGL_UNPACKNAME)
+$(LVGL_UNPACKNAME)/lvgl.h: $(LVGL_UNPACKNAME)
-$(APPDIR)/include/graphics/lvgl.h: lvgl/lvgl.h
- @echo "CP: lvgl/lvgl.h"
- $(Q) cp lvgl/lvgl.h $(APPDIR)/include/graphics/lvgl.h
+exports/graphics/lvgl.h: $(LVGL_UNPACKNAME)/lvgl.h
+ $(Q) mkdir -p exports/graphics
+ @echo "CP: $(LVGL_UNPACKNAME)/lvgl.h"
+ $(Q) cp $(LVGL_UNPACKNAME)/lvgl.h exports/graphics/lvgl.h
Review comment:
Usually libraries assume some sort of layout for the include directory
and the user only needs to account for installation prefix. In this case, lvgl
is assuming a layout of `<prefix>/lvgl/lvgl.h`, so any extra component in the
path should be part of the -I flag passed to the compiler. Adding extra
prefixes could break existing programs following the expected inclusion format.
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