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-rw-r--r--scripts/Makefile.build11
1 files changed, 11 insertions, 0 deletions
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index ff1720d28d0c..0e801c3cdaf8 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -354,6 +354,17 @@ quiet_cmd_cpp_lds_S = LDS $@
$(obj)/%.lds: $(src)/%.lds.S FORCE
$(call if_changed_dep,cpp_lds_S)
+# ASN.1 grammar
+# ---------------------------------------------------------------------------
+quiet_cmd_asn1_compiler = ASN.1 $@
+ cmd_asn1_compiler = $(objtree)/scripts/asn1_compiler $< \
+ $(subst .h,.c,$@) $(subst .c,.h,$@)
+
+.PRECIOUS: $(objtree)/$(obj)/%-asn1.c $(objtree)/$(obj)/%-asn1.h
+
+$(obj)/%-asn1.c $(obj)/%-asn1.h: $(src)/%.asn1 $(objtree)/scripts/asn1_compiler
+ $(call cmd,asn1_compiler)
+
# Build the compiled-in targets
# ---------------------------------------------------------------------------