openwrt/include/debug.mk

49 lines
771 B
Makefile

# SPDX-License-Identifier: GPL-2.0-only
#
# Copyright (C) 2007-2020 OpenWrt.org
# debug flags:
#
# d: show subdirectory tree
# t: show added targets
# l: show legacy targets
# r: show autorebuild messages
# v: verbose (no .SILENCE for common targets)
ifeq ($(DUMP),)
ifeq ($(DEBUG),all)
build_debug:=dltvr
else
build_debug:=$(DEBUG)
endif
endif
ifneq ($(DEBUG),)
define debug
$$(findstring $(2),$$(if $$(DEBUG_SCOPE_DIR),$$(if $$(filter $$(DEBUG_SCOPE_DIR)%,$(1)),$(build_debug)),$(build_debug)))
endef
define warn
$$(if $(call debug,$(1),$(2)),$$(warning $(3)))
endef
define debug_eval
$$(if $(call debug,$(1),$(2)),$(3))
endef
define warn_eval
$(call warn,$(1),$(2),$(3) $(4))
$(4)
endef
else
debug:=
warn:=
debug_eval:=
warn_eval = $(4)
endif