Add GO build rules

Our recent patch moves the GO build rules outside the main Unikraft
repo.

Signed-off-by: Vlad-Andrei Badoiu <vlad_andrei.badoiu@upb.ro>
Reviewed-by: Simon skuenzer <simon.kuenzer@neclab.eu>
Approved-by: Razvan Deaconescu <razvan.deaconescu@cs.pub.ro>
Tested-by: Unikraft CI <monkey@unikraft.io>
GitHub-Pull-Request: #2

diff --git a/Makefile.rules b/Makefile.rules
new file mode 100644 (file)
index 0000000..49f8730
--- /dev/null
+++ b/Makefile.rules
@@ -0,0 +1,23 @@
+define buildrule_go =
+$(4): $(2) | preprocess
+       $(call build_cmd,GOC,$(1),$(4),\
+               $(GOC) $$(COMPFLAGS) $$(COMPFLAGS-y) \
+                      $$(GOCINCLUDES) $$(GOCINCLUDES-y) \
+                      $$($(call vprefix_lib,$(1),GOCINCLUDES)) $$($(call vprefix_lib,$(1),GOCINCLUDES-y)) \
+                      $$($(call vprefix_src,$(1),$(2),$(3),INCLUDES)) $$($(call vprefix_src,$(1),$(2),$(3),INCLUDES-y)) \
+                      $$($(call vprefix_glb,$(3),ARCHFLAGS)) $$($(call vprefix_glb,$(3),ARCHFLAGS-y)) \
+                      $$(GOCFLAGS) $$(GOCFLAGS-y) $$(GOCFLAGS_EXTRA) \
+                      $$($(call vprefix_lib,$(1),GOCFLAGS)) $$($(call vprefix_lib,$(1),GOCFLAGS-y)) \
+                      $$($(call vprefix_src,$(1),$(2),$(3),FLAGS)) $$($(call vprefix_src,$(1),$(2),$(3),FLAGS-y)) \
+                      $(5) \
+                      $$(DBGFLAGS) $$(DBGFLAGS-y) \
+                      -D__LIBNAME__=$(1) -D__BASENAME__=$(notdir $(2)) $(if $(3),-D__VARIANT__=$(3)) \
+                      -c $(2) -o $(4) $(call depflags,$(4))
+       )
+
+UK_SRCS-y += $(2)
+UK_DEPS-y += $(call out2dep,$(4))
+UK_OBJS-y += $(4)
+$(eval $(call vprefix_lib,$(1),OBJS-y) += $(4))
+$(eval $(call vprefix_lib,$(1),CLEAN-y) += $(call build_clean,$(4)) $(call out2dep,$(4)))
+endef