ynl.mk

 1# SPDX-License-Identifier: GPL-2.0
 2
 3# YNL selftest build snippet
 4
 5# Inputs:
 6#
 7# YNL_GENS:      families we need in the selftests
 8# YNL_GEN_PROGS: TEST_GEN_PROGS which need YNL
 9# YNL_GEN_FILES: TEST_GEN_FILES which need YNL
10
11YNL_OUTPUTS :=	$(patsubst %,$(OUTPUT)/%,$(YNL_GEN_FILES)) \
12		$(patsubst %,$(OUTPUT)/%,$(YNL_GEN_PROGS))
13YNL_SPECS := \
14	$(patsubst %,$(top_srcdir)/Documentation/netlink/specs/%.yaml,$(YNL_GENS))
15
16$(YNL_OUTPUTS): $(OUTPUT)/libynl.a
17$(YNL_OUTPUTS): CFLAGS += \
18	-I$(top_srcdir)/usr/include/ $(KHDR_INCLUDES) \
19	-I$(top_srcdir)/tools/net/ynl/lib/ \
20	-I$(top_srcdir)/tools/net/ynl/generated/
21
22# Make sure we rebuild libynl if user added a new family. We can't easily
23# depend on the contents of a variable so create a fake file with a hash.
24YNL_GENS_HASH := $(shell echo $(YNL_GENS) | sha1sum | cut -c1-8)
25$(OUTPUT)/.libynl-$(YNL_GENS_HASH).sig:
26	$(Q)rm -f $(OUTPUT)/.libynl-*.sig
27	$(Q)touch $(OUTPUT)/.libynl-$(YNL_GENS_HASH).sig
28
29$(OUTPUT)/libynl.a: $(YNL_SPECS) $(OUTPUT)/.libynl-$(YNL_GENS_HASH).sig
30	$(Q)rm -f $(top_srcdir)/tools/net/ynl/libynl.a
31	$(Q)$(MAKE) -C $(top_srcdir)/tools/net/ynl \
32		GENS="$(YNL_GENS)" RSTS="" libynl.a
33	$(Q)cp $(top_srcdir)/tools/net/ynl/libynl.a $(OUTPUT)/libynl.a
34
35EXTRA_CLEAN += \
36	$(top_srcdir)/tools/net/ynl/pyynl/__pycache__ \
37	$(top_srcdir)/tools/net/ynl/pyynl/lib/__pycache__ \
38	$(top_srcdir)/tools/net/ynl/lib/*.[ado] \
39	$(OUTPUT)/.libynl-*.sig \
40	$(OUTPUT)/libynl.a