#!/usr/bin/python import sys import re import idl def libxl_C_instance_of(ty, instancename): if isinstance(ty, idl.Aggregate) and ty.typename is None: if instancename is None: return libxl_C_type_define(ty) else: return libxl_C_type_define(ty) + " " + instancename s = "" if isinstance(ty, idl.Array): s += libxl_C_instance_of(ty.lenvar.type, ty.lenvar.name) + ";\n" return s + ty.typename + " " + instancename def libxl_C_type_define(ty, indent = ""): s = "" if isinstance(ty, idl.Enumeration): if ty.typename is None: s += "enum {\n" else: s += "typedef enum %s {\n" % ty.typename for v in ty.values: x = "%s = %d" % (v.name, v.value) x = x.replace("\n", "\n ") s += " " + x + ",\n" if ty.typename is None: s += "}" else: s += "} %s" % ty.typename elif isinstance(ty, idl.Aggregate): if isinstance(ty, idl.KeyedUnion): s += libxl_C_instance_of(ty.keyvar.type, ty.keyvar.name) + ";\n" if ty.typename is None: s += "%s {\n" % ty.kind else: s += "typedef %s %s {\n" % (ty.kind, ty.typename) for f in ty.fields: x = libxl_C_instance_of(f.type, f.name) if f.const: x = "const " + x x = x.replace("\n", "\n ") s += " " + x + ";\n" if ty.typename is None: s += "}" else: s += "} %s" % ty.typename else: raise NotImplementedError("%s" % type(ty)) return s.replace("\n", "\n%s" % indent) def libxl_C_type_dispose(ty, v, indent = " ", parent = None): s = "" if isinstance(ty, idl.KeyedUnion): if parent is None: raise Exception("KeyedUnion type must have a parent") s += "switch (%s) {\n" % (parent + ty.keyvar.name) for f in ty.fields: (nparent,fexpr) = ty.member(v, f, parent is None) s += "case %s:\n" % f.enumname s += libxl_C_type_dispose(f.type, fexpr, indent + " ", nparent) s += " break;\n" s += "}\n" elif isinstance(ty, idl.Array): if parent is None: raise Exception("Array type must have a parent") if ty.elem_type.dispose_fn is not None: s += "{\n" s += " int i;\n" s += " for (i=0; i<%s; i++)\n" % (parent + ty.lenvar.name) s += libxl_C_type_dispose(ty.elem_type, v+"[i]", indent + " ", parent) if ty.dispose_fn is not None: if ty.elem_type.dispose_fn is not None: s += " " s += "%s(%s);\n" % (ty.dispose_fn, ty.pass_arg(v, parent is None)) if ty.elem_type.dispose_fn is not None: s += "}\n" elif isinstance(ty, idl.Struct) and (parent is None or ty.dispose_fn is None): for f in [f for f in ty.fields if not f.const]: (nparent,fexpr) = ty.member(v, f, parent is None) s += libxl_C_type_dispose(f.type, fexpr, "", nparent) else: if ty.dispose_fn is not None: s += "%s(%s);\n" % (ty.dispose_fn, ty.pass_arg(v, parent is None)) if s != "": s = indent + s return s.replace("\n", "\n%s" % indent).rstrip(indent) def libxl_init_members(ty, nesting = 0): """Returns a list of members of ty which require a separate init""" if isinstance(ty, idl.Aggregate): return [f for f in ty.fields if not f.const and isinstance(f.type,idl.KeyedUnion)] else: return [] def _libxl_C_type_init(ty, v, indent = " ", parent = None, subinit=False): s = "" if isinstance(ty, idl.KeyedUnion): if parent is None: raise Exception("KeyedUnion type must have a parent") if subinit: s += "switch (%s) {\n" % (parent + ty.keyvar.name) for f in ty.fields: (nparent,fexpr) = ty.member(v, f, parent is None) s += "case %s:\n" % f.enumname s += _libxl_C_type_init(f.type, fexpr, " ", nparent) s += " break;\n" s += "}\n" else: if ty.keyvar.init_val: s += "%s = %s;\n" % (parent + ty.keyvar.name, ty.keyvar.init_val) elif ty.keyvar.type.init_val: s += "%s = %s;\n" % (parent + ty.keyvar.name, ty.keyvar.type.init_val) elif isinstance(ty, idl.Struct) and (parent is None or ty.init_fn is None): for f in [f for f in ty.fields if not f.const]: (nparent,fexpr) = ty.member(v, f, parent is None) if f.init_val is not None: s += "%s = %s;\n" % (fexpr, f.init_val) else: s += _libxl_C_type_init(f.type, fexpr, "", nparent) else: if ty.init_val is not None: s += "%s = %s;\n" % (ty.pass_arg(v, parent is None), ty.init_val) elif ty.init_fn is not None: s += "%s(%s);\n" % (ty.init_fn, ty.pass_arg(v, parent is None)) if s != "": s = indent + s return s.replace("\n", "\n%s" % indent).rstrip(indent) def libxl_C_type_init(ty): s = "" s += "void %s(%s)\n" % (ty.init_fn, ty.make_arg("p", passby=idl.PASS_BY_REFERENCE)) s += "{\n" s += " memset(p, '\\0', sizeof(*p));\n" s += _libxl_C_type_init(ty, "p") s += "}\n" s += "\n" return s def libxl_C_type_member_init(ty, field): if not isinstance(field.type, idl.KeyedUnion): raise Exception("Only KeyedUnion is supported for member init") ku = field.type s = "" s += "void %s(%s, %s)\n" % (ty.init_fn + "_" + ku.keyvar.name, ty.make_arg("p", passby=idl.PASS_BY_REFERENCE), ku.keyvar.type.make_arg(ku.keyvar.name)) s += "{\n" if ku.keyvar.init_val is not None: init_val = ku.keyvar.init_val elif ku.keyvar.type.init_val is not None: init_val = ku.keyvar.type.init_val else: init_val = None (nparent,fexpr) = ty.member(ty.pass_arg("p"), ku.keyvar, isref=True) if init_val is not None: s += " assert(%s == %s);\n" % (fexpr, init_val) else: s += " assert(!%s);\n" % (fexpr) s += " %s = %s;\n" % (fexpr, ku.keyvar.name) (nparent,fexpr) = ty.member(ty.pass_arg("p"), field, isref=True) s += _libxl_C_type_init(ku, fexpr, parent=nparent, subinit=True) s += "}\n" s += "\n" return s def libxl_C_type_gen_json(ty, v, indent = " ", parent = None): s = "" if parent is None: s += "yajl_gen_status s;\n" if isinstance(ty, idl.Array): if parent is None: raise Exception("Array type must have a parent") s += "{\n" s += " int i;\n" s += " s = yajl_gen_array_open(hand);\n" s += " if (s != yajl_gen_status_ok)\n" s += " goto out;\n" s += " for (i=0; i<%s; i++) {\n" % (parent + ty.lenvar.name) s += libxl_C_type_gen_json(ty.elem_type, v+"[i]", indent + " ", parent) s += " }\n" s += " s = yajl_gen_array_close(hand);\n" s += " if (s != yajl_gen_status_ok)\n" s += " goto out;\n" s += "}\n" elif isinstance(ty, idl.Enumeration): s += "s = libxl__yajl_gen_enum(hand, %s_to_string(%s));\n" % (ty.typename, ty.pass_arg(v, parent is None)) s += "if (s != yajl_gen_status_ok)\n" s += " goto out;\n" elif isinstance(ty, idl.KeyedUnion): if parent is None: raise Exception("KeyedUnion type must have a parent") s += "switch (%s) {\n" % (parent + ty.keyvar.name) for f in ty.fields: (nparent,fexpr) = ty.member(v, f, parent is None) s += "case %s:\n" % f.enumname s += libxl_C_type_gen_json(f.type, fexpr, indent + " ", nparent) s += " break;\n" s += "}\n" elif isinstance(ty, idl.Struct) and (parent is None or ty.json_fn is None): s += "s = yajl_gen_map_open(hand);\n" s += "if (s != yajl_gen_status_ok)\n" s += " goto out;\n" for f in [f for f in ty.fields if not f.const]: (nparent,fexpr) = ty.member(v, f, parent is None) s += "s = yajl_gen_string(hand, (const unsigned char *)\"%s\", sizeof(\"%s\")-1);\n" % (f.name, f.name) s += "if (s != yajl_gen_status_ok)\n" s += " goto out;\n" s += libxl_C_type_gen_json(f.type, fexpr, "", nparent) s += "s = yajl_gen_map_close(hand);\n" s += "if (s != yajl_gen_status_ok)\n" s += " goto out;\n" else: if ty.json_fn is not None: s += "s = %s(hand, %s);\n" % (ty.json_fn, ty.pass_arg(v, parent is None)) s += "if (s != yajl_gen_status_ok)\n" s += " goto out;\n" if parent is None: s += "out:\n" s += "return s;\n" if s != "": s = indent + s return s.replace("\n", "\n%s" % indent).rstrip(indent) def libxl_C_type_to_json(ty, v, indent = " "): s = "" gen = "(libxl__gen_json_callback)&%s_gen_json" % ty.typename s += "return libxl__object_to_json(ctx, \"%s\", %s, (void *)%s);\n" % (ty.typename, gen, ty.pass_arg(v, passby=idl.PASS_BY_REFERENCE)) if s != "": s = indent + s return s.replace("\n", "\n%s" % indent).rstrip(indent) def libxl_C_enum_to_string(ty, e, indent = " "): s = "" s += "switch(%s) {\n" % e for v in ty.values: s += " case %s:\n" % (v.name) s += " return \"%s\";\n" % (v.valuename.lower()) s += " default:\n " s += " return NULL;\n" s += "}\n" if s != "": s = indent + s return s.replace("\n", "\n%s" % indent).rstrip(indent) def libxl_C_enum_strings(ty, indent=""): s = "" s += "libxl_enum_string_table %s_string_table[] = {\n" % (ty.typename) for v in ty.values: s += " { .s = \"%s\", .v = %s },\n" % (v.valuename.lower(), v.name) s += " { NULL, -1 },\n" s += "};\n" s += "\n" if s != "": s = indent + s return s.replace("\n", "\n%s" % indent).rstrip(indent) def libxl_C_enum_from_string(ty, str, e, indent = " "): s = "" s += "return libxl__enum_from_string(%s_string_table,\n" % ty.typename s += " %s, (int *)%s);\n" % (str, e) if s != "": s = indent + s return s.replace("\n", "\n%s" % indent).rstrip(indent) if __name__ == '__main__': if len(sys.argv) != 5: print >>sys.stderr, "Usage: gentypes.py
" sys.exit(1) (_, idlname, header, header_json, impl) = sys.argv (builtins,types) = idl.parse(idlname) print "outputting libxl type definitions to %s" % header f = open(header, "w") header_define = header.upper().replace('.','_') f.write("""#ifndef %s #define %s /* * DO NOT EDIT. * * This file is autogenerated by * "%s" */ """ % (header_define, header_define, " ".join(sys.argv))) for ty in types: f.write(libxl_C_type_define(ty) + ";\n") if ty.dispose_fn is not None: f.write("%svoid %s(%s);\n" % (ty.hidden(), ty.dispose_fn, ty.make_arg("p"))) if ty.init_fn is not None: f.write("%svoid %s(%s);\n" % (ty.hidden(), ty.init_fn, ty.make_arg("p"))) for field in libxl_init_members(ty): if not isinstance(field.type, idl.KeyedUnion): raise Exception("Only KeyedUnion is supported for member init") ku = field.type f.write("%svoid %s(%s, %s);\n" % (ty.hidden(), ty.init_fn + "_" + ku.keyvar.name, ty.make_arg("p"), ku.keyvar.type.make_arg(ku.keyvar.name))) if ty.json_fn is not None: f.write("%schar *%s_to_json(libxl_ctx *ctx, %s);\n" % (ty.hidden(), ty.typename, ty.make_arg("p"))) if isinstance(ty, idl.Enumeration): f.write("%sconst char *%s_to_string(%s);\n" % (ty.hidden(), ty.typename, ty.make_arg("p"))) f.write("%sint %s_from_string(const char *s, %s);\n" % (ty.hidden(), ty.typename, ty.make_arg("e", passby=idl.PASS_BY_REFERENCE))) f.write("%sextern libxl_enum_string_table %s_string_table[];\n" % (ty.hidden(), ty.typename)) f.write("\n") f.write("""#endif /* %s */\n""" % (header_define)) f.close() print "outputting libxl JSON definitions to %s" % header_json f = open(header_json, "w") header_json_define = header_json.upper().replace('.','_') f.write("""#ifndef %s #define %s /* * DO NOT EDIT. * * This file is autogenerated by * "%s" */ """ % (header_json_define, header_json_define, " ".join(sys.argv))) for ty in [ty for ty in types if ty.json_fn is not None]: f.write("%syajl_gen_status %s_gen_json(yajl_gen hand, %s);\n" % (ty.hidden(), ty.typename, ty.make_arg("p", passby=idl.PASS_BY_REFERENCE))) f.write("\n") f.write("""#endif /* %s */\n""" % header_json_define) f.close() print "outputting libxl type implementations to %s" % impl f = open(impl, "w") f.write(""" /* DO NOT EDIT. * * This file is autogenerated by * "%s" */ #include "libxl_osdeps.h" #include #include #include #include "libxl_internal.h" #define LIBXL_DTOR_POISON 0xa5 """ % " ".join(sys.argv)) for ty in [t for t in types if t.dispose_fn is not None and t.autogenerate_dispose_fn]: f.write("void %s(%s)\n" % (ty.dispose_fn, ty.make_arg("p"))) f.write("{\n") f.write(libxl_C_type_dispose(ty, "p")) f.write(" memset(p, LIBXL_DTOR_POISON, sizeof(*p));\n") f.write("}\n") f.write("\n") for ty in [t for t in types if t.init_fn is not None and t.autogenerate_init_fn]: f.write(libxl_C_type_init(ty)) for field in libxl_init_members(ty): f.write(libxl_C_type_member_init(ty, field)) for ty in [t for t in types if isinstance(t,idl.Enumeration)]: f.write("const char *%s_to_string(%s e)\n" % (ty.typename, ty.typename)) f.write("{\n") f.write(libxl_C_enum_to_string(ty, "e")) f.write("}\n") f.write("\n") f.write(libxl_C_enum_strings(ty)) f.write("int %s_from_string(const char *s, %s *e)\n" % (ty.typename, ty.typename)) f.write("{\n") f.write(libxl_C_enum_from_string(ty, "s", "e")) f.write("}\n") f.write("\n") for ty in [t for t in types if t.json_fn is not None]: f.write("yajl_gen_status %s_gen_json(yajl_gen hand, %s)\n" % (ty.typename, ty.make_arg("p", passby=idl.PASS_BY_REFERENCE))) f.write("{\n") f.write(libxl_C_type_gen_json(ty, "p")) f.write("}\n") f.write("\n") f.write("char *%s_to_json(libxl_ctx *ctx, %s)\n" % (ty.typename, ty.make_arg("p"))) f.write("{\n") f.write(libxl_C_type_to_json(ty, "p")) f.write("}\n") f.write("\n") f.close() / .highlight .ch { color: #888888 } /* Comment.Hashbang */ .highlight .cm { color: #888888 } /* Comment.Multiline */ .highlight .cp { color: #cc0000; font-weight: bold } /* Comment.Preproc */ .highlight .cpf { color: #888888 } /* Comment.PreprocFile */ .highlight .c1 { color: #888888 } /* Comment.Single */ .highlight .cs { color: #cc0000; font-weight: bold; background-color: #fff0f0 } /* Comment.Special */ .highlight .gd { color: #000000; background-color: #ffdddd } /* Generic.Deleted */ .highlight .ge { font-style: italic } /* Generic.Emph */ .highlight .gr { color: #aa0000 } /* Generic.Error */ .highlight .gh { color: #333333 } /* Generic.Heading */ .highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */ .highlight .go { color: #888888 } /* Generic.Output */ .highlight .gp { color: #555555 } /* Generic.Prompt */ .highlight .gs { font-weight: bold } /* Generic.Strong */ .highlight .gu { color: #666666 } /* Generic.Subheading */ .highlight .gt { color: #aa0000 } /* Generic.Traceback */ .highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */ .highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */ .highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */ .highlight .kp { color: #008800 } /* Keyword.Pseudo */ .highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */ .highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */ .highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */ .highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */ .highlight .na { color: #336699 } /* Name.Attribute */ .highlight .nb { color: #003388 } /* Name.Builtin */ .highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */ .highlight .no { color: #003366; font-weight: bold } /* Name.Constant */ .highlight .nd { color: #555555 } /* Name.Decorator */ .highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */ .highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */ .highlight .nl { color: #336699; font-style: italic } /* Name.Label */ .highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */ .highlight .py { color: #336699; font-weight: bold } /* Name.Property */ .highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */ .highlight .nv { color: #336699 } /* Name.Variable */ .highlight .ow { color: #008800 } /* Operator.Word */ .highlight .w { color: #bbbbbb } /* Text.Whitespace */ .highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */ .highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */ .highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */ .highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */ .highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */ .highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */ .highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */ .highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */ .highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */ .highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */ .highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */ .highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */ .highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */ .highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */ .highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */
#
# Copyright (C) 2006-2010 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#

ifneq ($(__rules_inc),1)
__rules_inc=1

ifeq ($(DUMP),)
  -include $(TOPDIR)/.config
endif
include $(TOPDIR)/include/debug.mk
include $(TOPDIR)/include/verbose.mk

export TMP_DIR:=$(TOPDIR)/tmp

GREP_OPTIONS=
export GREP_OPTIONS

qstrip=$(strip $(subst ",,$(1)))
#"))

empty:=
space:= $(empty) $(empty)
merge=$(subst $(space),,$(1))
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)))))
ARCH_PACKAGES:=$(call qstrip,$(CONFIG_TARGET_ARCH_PACKAGES))
BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
export EXTRA_OPTIMIZATION:=$(call qstrip,$(CONFIG_EXTRA_OPTIMIZATION))
TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
export SHELL:=/usr/bin/env bash

OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))

ifeq ($(ARCH),powerpc)
  FPIC:=-fPIC
else
  FPIC:=-fpic
endif

HOST_FPIC:=-fPIC

ARCH_SUFFIX:=$(call qstrip,$(CONFIG_CPU_TYPE))
GCC_ARCH:=

ifneq ($(ARCH_SUFFIX),)
  ARCH_SUFFIX:=_$(ARCH_SUFFIX)
endif
ifneq ($(filter -march=armv%,$(TARGET_OPTIMIZATION)),)
  GCC_ARCH:=$(patsubst -march=%,%,$(filter -march=armv%,$(TARGET_OPTIMIZATION)))
endif
ifdef CONFIG_HAS_SPE_FPU
  TARGET_SUFFIX:=$(TARGET_SUFFIX)spe
endif
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/$(BOARD)
INCLUDE_DIR:=$(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 $(CONFIG_arm),_eabi)
  BIN_DIR:=$(BIN_DIR)$(if $(CONFIG_USE_UCLIBC),,-$(LIBC))
  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)$(if $(BUILD_SUFFIX),_$(BUILD_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:=$(BIN_DIR)/packages
else
  ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
    GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME))
  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)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
  BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(GNU_TARGET_NAME)
  TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(GNU_TARGET_NAME)
  PACKAGE_DIR:=$(BIN_DIR)/packages
endif
STAMP_DIR:=$(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

TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(subst $(space),:,$(filter-out .,$(filter-out ./,$(subst :,$(space),$(PATH)))))
TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3) $(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$(STAGING_DIR)/lib
ifneq ($(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 $(if $(CONFIG_GCC_VERSION_4_4)$(CONFIG_GCC_VERSION_4_5),,-Wno-error=unused-but-set-variable)
    TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include
    TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
    TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
  else
    ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
      TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
      TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
      TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
      TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
      TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
      ifneq ($(TOOLCHAIN_BIN_DIRS),)
        TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
      endif
      ifneq ($(TOOLCHAIN_INC_DIRS),)
        TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
      endif
      ifneq ($(TOOLCHAIN_LIB_DIRS),)
        TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
      endif
      TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
    endif
  endif
endif
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
else
  SOFT_FLOAT_CONFIG_OPTION:=
endif

export PATH:=$(TARGET_PATH)
export STAGING_DIR
export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;

PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config

export PKG_CONFIG

HOSTCC:=gcc
HOSTCXX:=g++
HOST_CPPFLAGS:=-I$(STAGING_DIR_HOST)/include
HOST_CFLAGS:=-O2 $(HOST_CPPFLAGS)
HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib

TARGET_CC:=$(TARGET_CROSS)gcc
TARGET_AR:=$(TARGET_CROSS)ar
TARGET_RANLIB:=$(TARGET_CROSS)ranlib
TARGET_CXX:=$(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

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),)
  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 $(TARGET_ASFLAGS)" \
  LD=$(TARGET_CROSS)ld \
  NM=$(TARGET_CROSS)nm \
  CC="$(TARGET_CC)" \
  GCC="$(TARGET_CC)" \
  CXX="$(TARGET_CXX)" \
  RANLIB=$(TARGET_CROSS)ranlib \
  STRIP=$(TARGET_CROSS)strip \
  OBJCOPY=$(TARGET_CROSS)objcopy \
  OBJDUMP=$(TARGET_CROSS)objdump \
  SIZE=$(TARGET_CROSS)size

# strip an entire directory
ifneq ($(CONFIG_NO_STRIP),)
  RSTRIP:=:
  STRIP:=:
else
  ifneq ($(CONFIG_USE_STRIP),)
    STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
  else
    ifneq ($(CONFIG_USE_SSTRIP),)
      STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
    endif
  endif
  RSTRIP:= \
    export CROSS="$(TARGET_CROSS)" \
		$(if $(CONFIG_KERNEL_KALLSYMS),NO_RENAME=1) \
		$(if $(CONFIG_KERNEL_PROFILING),KEEP_SYMBOLS=1); \
    NM="$(TARGET_CROSS)nm" \
    STRIP="$(STRIP)" \
    STRIP_KMOD="$(SCRIPT_DIR)/strip-kmod.sh" \
    $(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_TAR_VERBOSITY),y)
  TAR_OPTIONS:=-xvf -
else
  TAR_OPTIONS:=-xf -
endif

ifeq ($(CONFIG_BUILD_LOG),y)
  BUILD_LOG:=1
endif

define shvar
V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
endef

define shexport
$(call shvar,$(1))=$$(call $(1))
export $(call shvar,$(1))
endef

define include_mk
$(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

# 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
ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))

all:
FORCE: ;
.PHONY: FORCE

val.%:
	@$(if $(filter undefined,$(origin $*)),\
		echo "$* undefined" >&2, \
		echo '$(subst ','"'"',$($*))' \
	)

var.%:
	@$(if $(filter undefined,$(origin $*)),\
		echo "$* undefined" >&2, \
		echo "$*='"'$(subst ','"'\"'\"'"',$($*))'"'" \
	)

endif #__rules_inc