Some examples include starpu.h (and therefore possibly hwloc.h)

examples/Makefile.am

@@ -60,6 +60,8 @@ CLEANFILES += *.gcno *.gcda *.linkinfo
 
 if STARPU_USE_CUDA
 
+NVCCFLAGS += $(HWLOC_CFLAGS)
+
 .cu.cubin:
 	$(MKDIR_P) `dirname $@`
 	$(NVCC) -cubin $< -o $@ --compiler-options -fno-strict-aliasing  $(NVCCFLAGS)

tests/Makefile.am

@@ -35,7 +35,7 @@ if STARPU_USE_CUDA
 # TODO define NVCCFLAGS
 NVCC ?= nvcc
 
-NVCCFLAGS += -I$(top_srcdir)/include/ -I$(top_builddir)/include
+NVCCFLAGS += -I$(top_srcdir)/include/ -I$(top_builddir)/include $(HWLOC_CFLAGS)
 
 .cu.cubin:
 	$(MKDIR_P) `dirname $@`