genode/repos/dde_linux/lib/mk/usb_host_include.mk
2018-08-30 09:24:45 +02:00

38 lines
1.3 KiB
Makefile

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