#
# if V=1, $(summary) does nothing and $(details) will echo extra details
# if V is unset or not 1, $(summary) echoes a summary and $(details) does nothing
+VERBOSE ?=
V ?= $(VERBOSE)
ifeq ("$(V)","1")
summary := @true
# disable echoing of commands, directory names
MAKEFLAGS += --silent
+endif # $(V)==1
+
+ifdef CONFIG_MAKE_WARN_UNDEFINED_VARIABLES
+MAKEFLAGS += --warn-undefined-variables
endif
# General make utilities
#
# example $(call resolvepath,$(CONFIG_PATH),$(CONFIG_DIR))
define resolvepath
-$(foreach dir,$(1),$(if $(filter /%,$(dir)),$(dir),$(subst //,/,$(2)/$(dir))))
+$(abspath $(foreach dir,$(1),$(if $(filter /%,$(dir)),$(dir),$(subst //,/,$(2)/$(dir)))))
endef
define uniq
$(if $1,$(firstword $1) $(call uniq,$(filter-out $(firstword $1),$1)))
endef
+
+# macro to strip leading ../s from a path
+# Given $(1) which is a directory, remove any leading ../s from it
+# (recursively keeps removing ../ until not found)
+# if the path contains nothing but ../.., a single . is returned (cwd)
+define stripLeadingParentDirs
+$(foreach path,$(1),$(if $(subst ..,,$(path)),$(if $(filter ../%,$(path)),$(call stripLeadingParentDirs,$(patsubst ../%,%,$(path))),$(path)),.))
+endef