X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fstaging%2Flynxis%2Fomap.git;a=blobdiff_plain;f=rules.mk;h=12a79ba30c21daecd321ed6f23ad26d6d50ddb06;hp=3bd6073fb77dd01aa81ad5a4f91dc5f0bd5a4144;hb=e3cf2cc1c6f04865f569cf567411dfc7661de451;hpb=b34a0b3282e9effa31888c2e6bdc79d53dfe9c81

diff --git a/rules.mk b/rules.mk
index 3bd6073fb7..12a79ba30c 100644
--- a/rules.mk
+++ b/rules.mk
@@ -1,5 +1,6 @@
 #
 # Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2016 LEDE Project
 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
@@ -14,31 +15,57 @@ endif
 include $(TOPDIR)/include/debug.mk
 include $(TOPDIR)/include/verbose.mk
 
-TMP_DIR:=$(TOPDIR)/tmp
-
-GREP_OPTIONS=
-export GREP_OPTIONS
+export TMP_DIR:=$(TOPDIR)/tmp
 
 qstrip=$(strip $(subst ",,$(1)))
 #"))
 
 empty:=
 space:= $(empty) $(empty)
+comma:=,
 merge=$(subst $(space),,$(1))
 confvar=$(call merge,$(foreach v,$(1),$(if $($(v)),y,n)))
 strip_last=$(patsubst %.$(lastword $(subst .,$(space),$(1))),%,$(1))
 
+paren_left = (
+paren_right = )
+chars_lower = a b c d e f g h i j k l m n o p q r s t u v w x y z
+chars_upper = A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
+
+define sep
+
+endef
+
+define newline
+
+
+endef
+
+__tr_list = $(join $(join $(1),$(foreach char,$(1),$(comma))),$(2))
+__tr_head_stripped = $(subst $(space),,$(foreach cv,$(call __tr_list,$(1),$(2)),$$$(paren_left)subst$(cv)$(comma)))
+__tr_head = $(subst $(paren_left)subst,$(paren_left)subst$(space),$(__tr_head_stripped))
+__tr_tail = $(subst $(space),,$(foreach cv,$(1),$(paren_right)))
+__tr_template = $(__tr_head)$$(1)$(__tr_tail)
+
+$(eval toupper = $(call __tr_template,$(chars_lower),$(chars_upper)))
+$(eval tolower = $(call __tr_template,$(chars_upper),$(chars_lower)))
+
 _SINGLE=export MAKEFLAGS=$(space);
 CFLAGS:=
 ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONFIG_ARCH)))))
 ARCH_PACKAGES:=$(call qstrip,$(CONFIG_TARGET_ARCH_PACKAGES))
 BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
+SUBTARGET:=$(call qstrip,$(CONFIG_TARGET_SUBTARGET))
 TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
+export EXTRA_OPTIMIZATION:=$(filter-out -fno-plt,$(call qstrip,$(CONFIG_EXTRA_OPTIMIZATION)))
 TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
 BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
 SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
+BUILD_SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
 export SHELL:=/usr/bin/env bash
 
+IS_PACKAGE_BUILD := $(if $(filter package/%,$(BUILD_SUBDIR)),1)
+
 OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))
 
 ifeq ($(ARCH),powerpc)
@@ -49,42 +76,40 @@ endif
 
 HOST_FPIC:=-fPIC
 
-ARCH_SUFFIX:=
-ifneq ($(findstring -mips32r2,$(TARGET_OPTIMIZATION)),)
-  ARCH_SUFFIX:=_r2
-endif
-ifneq ($(findstring -march=armv4,$(TARGET_OPTIMIZATION)),)
-  ARCH_SUFFIX:=_v4
+ARCH_SUFFIX:=$(call qstrip,$(CONFIG_CPU_TYPE))
+GCC_ARCH:=
+
+ifneq ($(ARCH_SUFFIX),)
+  ARCH_SUFFIX:=_$(ARCH_SUFFIX)
 endif
-ifneq ($(findstring -march=armv4t,$(TARGET_OPTIMIZATION)),)
-  ARCH_SUFFIX:=_v4t
+ifneq ($(filter -march=armv%,$(TARGET_OPTIMIZATION)),)
+  GCC_ARCH:=$(patsubst -march=%,%,$(filter -march=armv%,$(TARGET_OPTIMIZATION)))
 endif
-ifneq ($(findstring -march=armv5t,$(TARGET_OPTIMIZATION)),)
-  ARCH_SUFFIX:=_v5t
+ifdef CONFIG_HAS_SPE_FPU
+  TARGET_SUFFIX:=$(TARGET_SUFFIX)spe
 endif
-ifneq ($(findstring -march=armv5te,$(TARGET_OPTIMIZATION)),)
-  ARCH_SUFFIX:=_v5te
+ifdef CONFIG_MIPS64_ABI
+  ifneq ($(CONFIG_MIPS64_ABI_O32),y)
+     ARCH_SUFFIX:=$(ARCH_SUFFIX)_$(call qstrip,$(CONFIG_MIPS64_ABI))
+  endif
 endif
 
 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
-BIN_DIR:=$(TOPDIR)/bin/$(BOARD)
+OUTPUT_DIR:=$(if $(call qstrip,$(CONFIG_BINARY_FOLDER)),$(call qstrip,$(CONFIG_BINARY_FOLDER)),$(TOPDIR)/bin)
+BIN_DIR:=$(OUTPUT_DIR)/targets/$(BOARD)/$(SUBTARGET)
 INCLUDE_DIR:=$(TOPDIR)/include
 SCRIPT_DIR:=$(TOPDIR)/scripts
 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
-BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
-STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
   GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
   LIBC:=$(call qstrip,$(CONFIG_LIBC))
   LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
-  DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_EABI_SUPPORT),_eabi)
-  BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
-  STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)
-  BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
-  TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
-  PACKAGE_DIR:=$(BIN_DIR)/packages
+  DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_arm),_eabi)
+  BIN_DIR:=$(BIN_DIR)$(if $(CONFIG_USE_MUSL),,-$(LIBC))
+  TARGET_DIR_NAME = target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
+  TOOLCHAIN_DIR_NAME = toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
 else
   ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
     GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME))
@@ -92,31 +117,65 @@ else
     GNU_TARGET_NAME=$(shell gcc -dumpmachine)
   endif
   REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME)
-  BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
-  STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(GNU_TARGET_NAME)
-  BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(GNU_TARGET_NAME)
-  TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(GNU_TARGET_NAME)
-  PACKAGE_DIR:=$(BIN_DIR)/packages
+  TARGET_DIR_NAME:=target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
+  TOOLCHAIN_DIR_NAME:=toolchain-$(GNU_TARGET_NAME)
+endif
+
+ifeq ($(or $(CONFIG_EXTERNAL_TOOLCHAIN),$(CONFIG_GCC_VERSION_4_8),$(CONFIG_TARGET_uml)),)
+  iremap = -iremap $(1):$(2)
 endif
+
+PACKAGE_DIR:=$(BIN_DIR)/packages
+BUILD_DIR:=$(BUILD_DIR_BASE)/$(TARGET_DIR_NAME)
+STAGING_DIR:=$(TOPDIR)/staging_dir/$(TARGET_DIR_NAME)
+BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/$(TOOLCHAIN_DIR_NAME)
+TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/$(TOOLCHAIN_DIR_NAME)
 STAMP_DIR:=$(BUILD_DIR)/stamp
 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
 TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
 TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
 STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
 BUILD_LOG_DIR:=$(TOPDIR)/logs
+PKG_INFO_DIR := $(STAGING_DIR)/pkginfo
+
+BUILD_DIR_HOST:=$(if $(IS_PACKAGE_BUILD),$(BUILD_DIR)/host,$(BUILD_DIR_BASE)/host)
+STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
 
-TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(PATH)
-TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
+TARGET_PATH:=$(subst $(space),:,$(filter-out .,$(filter-out ./,$(subst :,$(space),$(PATH)))))
+TARGET_INIT_PATH:=$(call qstrip,$(CONFIG_TARGET_INIT_PATH))
+TARGET_INIT_PATH:=$(if $(TARGET_INIT_PATH),$(TARGET_INIT_PATH),/usr/sbin:/sbin:/usr/bin:/bin)
+TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3) $(call qstrip,$(CONFIG_EXTRA_OPTIMIZATION))
+TARGET_CXXFLAGS = $(TARGET_CFLAGS)
+TARGET_ASFLAGS_DEFAULT = $(TARGET_CFLAGS)
+TARGET_ASFLAGS = $(TARGET_ASFLAGS_DEFAULT)
 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
 TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
-LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a))
+ifneq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
+LIBGCC_S_PATH=$(realpath $(wildcard $(call qstrip,$(CONFIG_LIBGCC_ROOT_DIR))/$(call qstrip,$(CONFIG_LIBGCC_FILE_SPEC))))
+LIBGCC_S=$(if $(LIBGCC_S_PATH),-L$(dir $(LIBGCC_S_PATH)) -lgcc_s)
+LIBGCC_A=$(realpath $(lastword $(wildcard $(dir $(LIBGCC_S_PATH))/gcc/*/*/libgcc.a)))
+else
+LIBGCC_A=$(lastword $(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a))
+LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(LIBGCC_A))
+endif
+LIBRPC=-lrpc
+LIBRPC_DEPENDS=+librpc
+
+ifeq ($(CONFIG_ARCH_64BIT),y)
+  LIB_SUFFIX:=64
+endif
 
 ifndef DUMP
   ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
     -include $(TOOLCHAIN_DIR)/info.mk
+    export GCC_HONOUR_COPTS:=0
     TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
-    TARGET_CFLAGS+= -fhonour-copts
-    TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include
+    TARGET_CFLAGS+= -fhonour-copts -Wno-error=unused-but-set-variable -Wno-error=unused-result
+    TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include
+    ifeq ($(CONFIG_USE_MUSL),y)
+      TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/include/fortify
+    endif
+    TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/include
     TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
     TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
   else
@@ -135,6 +194,7 @@ ifndef DUMP
       ifneq ($(TOOLCHAIN_LIB_DIRS),)
         TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
       endif
+      TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
     endif
   endif
 endif
@@ -142,14 +202,20 @@ TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
 
 ifeq ($(CONFIG_SOFT_FLOAT),y)
   SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
-  TARGET_CFLAGS+= -msoft-float
+  ifeq ($(CONFIG_arm),y)
+    TARGET_CFLAGS+= -mfloat-abi=soft
+  else
+    TARGET_CFLAGS+= -msoft-float
+  endif
 else
   SOFT_FLOAT_CONFIG_OPTION:=
+  ifeq ($(CONFIG_arm),y)
+    TARGET_CFLAGS+= -mfloat-abi=hard
+  endif
 endif
 
 export PATH:=$(TARGET_PATH)
-export STAGING_DIR
-export GCC_HONOUR_COPTS:=0
+export STAGING_DIR STAGING_DIR_HOST
 export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;
 
 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
@@ -157,37 +223,66 @@ PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
 export PKG_CONFIG
 
 HOSTCC:=gcc
-HOST_CFLAGS:=-O2 -I$(STAGING_DIR_HOST)/include
-HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
+HOSTCXX:=g++
+HOST_CPPFLAGS:=-I$(STAGING_DIR_HOST)/include -I$(STAGING_DIR_HOST)/usr/include $(if $(IS_PACKAGE_BUILD),-I$(STAGING_DIR)/host/include)
+HOST_CFLAGS:=-O2 $(HOST_CPPFLAGS)
+HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib -L$(STAGING_DIR_HOST)/usr/lib $(if $(IS_PACKAGE_BUILD),-L$(STAGING_DIR)/host/lib)
+
+ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
+  TARGET_AR:=$(TARGET_CROSS)gcc-ar
+  TARGET_RANLIB:=$(TARGET_CROSS)gcc-ranlib
+  TARGET_NM:=$(TARGET_CROSS)gcc-nm
+else
+  TARGET_AR:=$(TARGET_CROSS)ar
+  TARGET_RANLIB:=$(TARGET_CROSS)ranlib
+  TARGET_NM:=$(TARGET_CROSS)nm
+endif
+
+BUILD_KEY=$(TOPDIR)/key-build
 
 TARGET_CC:=$(TARGET_CROSS)gcc
-TARGET_CXX:=$(if $(CONFIG_INSTALL_LIBSTDCPP),$(TARGET_CROSS)g++,no)
+TARGET_CXX:=$(TARGET_CROSS)g++
 KPATCH:=$(SCRIPT_DIR)/patch-kernel.sh
 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
 CP:=cp -fpR
 LN:=ln -sf
+XARGS:=xargs -r
+
+BASH:=bash
+TAR:=tar
+FIND:=find
+PATCH:=patch
+PYTHON:=python
 
 INSTALL_BIN:=install -m0755
 INSTALL_DIR:=install -d -m0755
 INSTALL_DATA:=install -m0644
 INSTALL_CONF:=install -m0600
 
+TARGET_CC_NOCACHE:=$(TARGET_CC)
+TARGET_CXX_NOCACHE:=$(TARGET_CXX)
+HOSTCC_NOCACHE:=$(HOSTCC)
+HOSTCXX_NOCACHE:=$(HOSTCXX)
+export TARGET_CC_NOCACHE
+export TARGET_CXX_NOCACHE
+export HOSTCC_NOCACHE
+
 ifneq ($(CONFIG_CCACHE),)
-  # FIXME: move this variable to a better location
-  export CCACHE_DIR=$(STAGING_DIR)/ccache
-  TARGET_CC:= ccache $(TARGET_CC)
-  TARGET_CXX:= ccache $(TARGET_CXX)
+  TARGET_CC:= ccache_cc
+  TARGET_CXX:= ccache_cxx
+  HOSTCC:= ccache $(HOSTCC)
+  HOSTCXX:= ccache $(HOSTCXX)
 endif
 
 TARGET_CONFIGURE_OPTS = \
-  AR=$(TARGET_CROSS)ar \
-  AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
+  AR="$(TARGET_AR)" \
+  AS="$(TARGET_CC) -c $(TARGET_ASFLAGS)" \
   LD=$(TARGET_CROSS)ld \
-  NM=$(TARGET_CROSS)nm \
+  NM="$(TARGET_NM)" \
   CC="$(TARGET_CC)" \
   GCC="$(TARGET_CC)" \
   CXX="$(TARGET_CXX)" \
-  RANLIB=$(TARGET_CROSS)ranlib \
+  RANLIB="$(TARGET_RANLIB)" \
   STRIP=$(TARGET_CROSS)strip \
   OBJCOPY=$(TARGET_CROSS)objcopy \
   OBJDUMP=$(TARGET_CROSS)objdump \
@@ -205,44 +300,39 @@ else
       STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
     endif
   endif
-  RSTRIP:= \
+  RSTRIP= \
+    export CROSS="$(TARGET_CROSS)" \
+		$(if $(PKG_BUILD_ID),KEEP_BUILD_ID=1) \
+		$(if $(CONFIG_KERNEL_KALLSYMS),NO_RENAME=1) \
+		$(if $(CONFIG_KERNEL_PROFILING),KEEP_SYMBOLS=1); \
     NM="$(TARGET_CROSS)nm" \
     STRIP="$(STRIP)" \
-    STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment --remove-section=.pdr --remove-section=.mdebug.abi32" \
+    STRIP_KMOD="$(SCRIPT_DIR)/strip-kmod.sh" \
+    PATCHELF="$(STAGING_DIR_HOST)/bin/patchelf" \
     $(SCRIPT_DIR)/rstrip.sh
 endif
 
-ifeq ($(CONFIG_ENABLE_LOCALE),true)
-  DISABLE_NLS:=--enable-nls
-else
-  DISABLE_NLS:=--disable-nls
-endif
-
 ifeq ($(CONFIG_IPV6),y)
   DISABLE_IPV6:=
 else
   DISABLE_IPV6:=--disable-ipv6
 endif
 
-ifeq ($(CONFIG_LARGEFILE),y)
-  DISABLE_LARGEFILE:=
-else
-  DISABLE_LARGEFILE:=--disable-largefile
-endif
+TAR_OPTIONS:=-xf -
 
-ifeq ($(CONFIG_TAR_VERBOSITY),y)
-  TAR_OPTIONS:=-xvf -
-else
-  TAR_OPTIONS:=-xf -
+ifeq ($(CONFIG_BUILD_LOG),y)
+  BUILD_LOG:=1
 endif
 
+export BISON_PKGDATADIR:=$(STAGING_DIR_HOST)/share/bison
+export M4:=$(STAGING_DIR_HOST)/bin/m4
+
 define shvar
 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
 endef
 
 define shexport
-$(call shvar,$(1))=$$(call $(1))
-export $(call shvar,$(1))
+export $(call shvar,$(1))=$$(call $(1))
 endef
 
 define include_mk
@@ -252,12 +342,33 @@ endef
 # Execute commands under flock
 # $(1) => The shell expression.
 # $(2) => The lock name. If not given, the global lock will be used.
-# $(3) => The filedescriptor used for the lock. Defaults to 1023.
-define locked
+ifneq ($(wildcard $(STAGING_DIR_HOST)/bin/flock),)
+  define locked
 	SHELL= \
-	$(STAGING_DIR_HOST)/bin/flock \
+	flock \
 		$(TMP_DIR)/.$(if $(2),$(strip $(2)),global).flock \
 		-c '$(subst ','\'',$(1))'
+  endef
+else
+  locked=$(1)
+endif
+
+# Recursively copy paths into another directory, purge dangling
+# symlinks before.
+# $(1) => File glob expression
+# $(2) => Destination directory
+define file_copy
+	for src_dir in $(sort $(foreach d,$(wildcard $(1)),$(dir $(d)))); do \
+		( cd $$src_dir; find -type f -or -type d ) | \
+			( cd $(2); while :; do \
+				read FILE; \
+				[ -z "$$FILE" ] && break; \
+				[ -L "$$FILE" ] || continue; \
+				echo "Removing symlink $(2)/$$FILE"; \
+				rm -f "$$FILE"; \
+			done; ); \
+	done; \
+	$(CP) $(1) $(2)
 endef
 
 # file extension