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38 lines
1.3 KiB
Makefile
38 lines
1.3 KiB
Makefile
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ifeq ($(called_from_lib_mk),yes)
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USB_CONTRIB_DIR := $(call select_from_ports,dde_linux)/src/drivers/usb_host
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LX_EMUL_H := $(REP_DIR)/src/drivers/usb_host/lx_emul.h
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#
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# Determine the header files included by the contrib code. For each
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# of these header files we create a symlink to 'lx_emul.h'.
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#
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SCAN_DIRS := $(addprefix $(USB_CONTRIB_DIR)/include/, asm-generic linux uapi) \
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$(addprefix $(USB_CONTRIB_DIR)/, drivers lib)
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GEN_INCLUDES := $(shell grep -rIh "^\# *include .*\/" $(SCAN_DIRS) |\
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sed "s/^\# *include [^<\"]*[<\"]\([^>\"]*\)[>\"].*/\1/" |\
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sort | uniq)
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#
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# Filter out original Linux headers that exist in the contrib directory
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#
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NO_GEN_INCLUDES := $(shell cd $(USB_CONTRIB_DIR)/; find include -name "*.h" |\
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sed "s/.\///" | sed "s/.*include\///")
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GEN_INCLUDES := $(filter-out $(NO_GEN_INCLUDES),$(GEN_INCLUDES))
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#
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# Put Linux headers in 'GEN_INC' dir, since some include use "../../" paths use
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# three level include hierarchy
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#
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GEN_INC := $(shell pwd)/include/include/include
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GEN_INCLUDES := $(addprefix $(GEN_INC)/,$(GEN_INCLUDES))
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all: $(GEN_INCLUDES)
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$(GEN_INCLUDES):
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$(VERBOSE)mkdir -p $(dir $@)
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$(VERBOSE)ln -s $(LX_EMUL_H) $@
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endif
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CC_CXX_WARN_STRICT =
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