Include musl's own headers when building

This fixes a build error where an internal use of `prctl` fails due to a
missing prototype declaration.

Signed-off-by: Andrei Tatar <andrei@unikraft.io>
Reviewed-by: Rares Miculescu <miculescur@gmail.com>
Reviewed-by: Stefan Jumarea <stefanjumarea02@gmail.com>
Reviewed-by: Razvan Deaconescu <razvand@unikraft.io>
Approved-by: Eduard Vintilă <eduard.vintila47@gmail.com>
Tested-by: Unikraft CI <monkey@unikraft.io>
GitHub-Closes: #45

diff --git a/Makefile.rules b/Makefile.rules
index d7f5fc7ec3d5b15a1e4ad42fe22cbd4d6d7b5674..92a3d8f27b4f77443766b989e0dc0d897c1a2d3a 100644 (file)
--- a/Makefile.rules
+++ b/Makefile.rules
@@ -21,6 +21,7 @@ $(LIBMUSL_BUILD)/include/$(1)/%.h:
 # includes for building libmusl
 LIBMUSL_$(call uc,$(1))_INCLUDES-y += -I$(LIBMUSL_BUILD)/include/$(1)/src/internal
 LIBMUSL_$(call uc,$(1))_INCLUDES-y += -I$(LIBMUSL_BUILD)/include/$(1)/src/$(1)
+LIBMUSL_$(call uc,$(1))_INCLUDES-y += -I$(LIBMUSL_BUILD)/include/$(1)/include
 LIBMUSL_SRCS-y += $(3)
 LIBMUSL_CINCLUDES-y += $$(LIBMUSL_$(call uc,$(1))_INCLUDES-y)
 LIBMUSL_CXXINCLUDES-y += $$(LIBMUSL_$(call uc,$(1))_INCLUDES-y)