include/debug.mk

   1 # SPDX-License-Identifier: GPL-2.0-only
   2 #
   3 # Copyright (C) 2007-2020 OpenWrt.org
   4
   5 # debug flags:
   6 #
   7 # d: show subdirectory tree
   8 # t: show added targets
   9 # l: show legacy targets
  10 # r: show autorebuild messages
  11 # v: verbose (no .SILENCE for common targets)
  12
  13 ifeq ($(DUMP),)
  14   ifeq ($(DEBUG),all)
  15     build_debug:=dltvr
  16   else
  17     build_debug:=$(DEBUG)
  18   endif
  19 endif
  20
  21 ifneq ($(DEBUG),)
  22
  23 define debug
  24 $$(findstring $(2),$$(if $$(DEBUG_SCOPE_DIR),$$(if $$(filter $$(DEBUG_SCOPE_DIR)%,$(1)),$(build_debug)),$(build_debug)))
  25 endef
  26
  27 define warn
  28 $$(if $(call debug,$(1),$(2)),$$(warning $(3)))
  29 endef
  30
  31 define debug_eval
  32 $$(if $(call debug,$(1),$(2)),$(3))
  33 endef
  34
  35 define warn_eval
  36 $(call warn,$(1),$(2),$(3)      $(4))
  37 $(4)
  38 endef
  39
  40 else
  41
  42 debug:=
  43 warn:=
  44 debug_eval:=
  45 warn_eval = $(4)
  46
  47 endif
  48