confvar=$(call merge,$(foreach v,$(1),$(if $($(v)),y,n)))
strip_last=$(patsubst %.$(lastword $(subst .,$(space),$(1))),%,$(1))
+define sep
+
+endef
+
_SINGLE=export MAKEFLAGS=$(space);
CFLAGS:=
ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONFIG_ARCH)))))
FPIC:=-fpic
endif
+HOST_FPIC:=-fPIC
+
ARCH_SUFFIX:=
ifneq ($(findstring -mips32r2,$(TARGET_OPTIMIZATION)),)
ARCH_SUFFIX:=_r2
$(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
endef
+# Execute commands under flock
+# $(1) => The shell expression.
+# $(2) => The lock name. If not given, the global lock will be used.
+define locked
+ SHELL= \
+ $(STAGING_DIR_HOST)/bin/flock \
+ $(TMP_DIR)/.$(if $(2),$(strip $(2)),global).flock \
+ -c '$(subst ','\'',$(1))'
+endef
+
# file extension
ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))