genode/repos/dde_linux/lib/mk/usb_include.mk
Christian Helmuth eda0828ca0 Skip binary files in GEN_INCLUDES
A binary file may be a temporary Vim .swp file when examining contrib
sources. The commit prevents build errors like

  .../repos/dde_linux/lib/mk/lxip_include.mk:29:
  target '.../x86_64/var/libcache/lxip_include/include/include/include/Binary'
  given more than once in the same rule
  .../repos/dde_linux/lib/mk/lxip_include.mk:29:
  target '.../x86_64/var/libcache/lxip_include/include/include/include/file'
  given more than once in the same rule
  ...
2017-02-23 15:03:28 +01:00

36 lines
1.1 KiB
Makefile

ifeq ($(called_from_lib_mk),yes)
USB_CONTRIB_DIR := $(call select_from_ports,dde_linux)/src/lib/usb
LX_EMUL_H := $(REP_DIR)/src/lib/usb/include/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'.
#
GEN_INCLUDES := $(shell grep -rIh "^\#include .*\/" $(USB_CONTRIB_DIR) |\
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
# vi: set ft=make :