summaryrefslogtreecommitdiff
path: root/rules.mk
blob: 88f64a5ebcdfc76bbf166a9a7e6df445791ecfba (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
#
# Copyright (C) 2006-2008 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

TMP_DIR:=$(TOPDIR)/tmp

export SHELL=/usr/bin/env bash -c '. $(TOPDIR)/include/shell.sh; eval "$$2"' --

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))

_SINGLE=export MAKEFLAGS=$(space);
CFLAGS:=
ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONFIG_ARCH)))))
BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
LIBC:=$(call qstrip,$(CONFIG_LIBC))
LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})

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

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

DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
BIN_DIR:=$(TOPDIR)/bin
INCLUDE_DIR:=$(TOPDIR)/include
SCRIPT_DIR:=$(TOPDIR)/scripts
BUILD_DIR_BASE:=$(TOPDIR)/build_dir
BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)_$(LIBC)-$(LIBCV)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)_gcc-$(GCCV)_$(LIBC)-$(LIBCV)
STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)_$(LIBC)-$(LIBCV)
STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)_gcc-$(GCCV)_$(LIBC)-$(LIBCV)
PACKAGE_DIR:=$(BIN_DIR)/packages/target-$(ARCH)_$(LIBC)-$(LIBCV)
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-$(BOARD)
DEBUG_DIR:=$(BUILD_DIR)/debug-$(BOARD)
BUILD_LOG_DIR:=$(TOPDIR)/logs

TARGET_PATH:=$(TOOLCHAIN_DIR)/usr/bin:$(STAGING_DIR_HOST)/bin:$(PATH)
TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
TARGET_LDFLAGS:=-L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib -L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-lgcc_s,$(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a))

ifndef DUMP
ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
  -include $(TOOLCHAIN_DIR)/info.mk
  REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
  GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
  TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
  TARGET_CFLAGS+= -fhonour-copts
endif
endif

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 GCC_HONOUR_COPTS:=0

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

TARGET_CC:=$(TARGET_CROSS)gcc
TARGET_CXX:=$(if $(CONFIG_INSTALL_LIBSTDCPP),$(TARGET_CROSS)g++,no)
PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
CP:=cp -fpR

INSTALL_BIN:=install -m0755
INSTALL_DIR:=install -d -m0755
INSTALL_DATA:=install -m0644
INSTALL_CONF:=install -m0600

ifneq ($(CONFIG_CCACHE),)
  # FIXME: move this variable to a better location
  export CCACHE_DIR=$(STAGING_DIR)/ccache
  TARGET_CC:= ccache $(TARGET_CC)
endif

TARGET_CONFIGURE_OPTS:= \
  AR=$(TARGET_CROSS)ar \
  AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
  LD=$(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:=$(TARGET_CROSS)strip
  else
    ifneq ($(CONFIG_USE_SSTRIP),)
      STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
    endif
  endif
  RSTRIP:= \
    NM="$(TARGET_CROSS)nm" \
    STRIP="$(STRIP)" \
    STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" \
    $(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

ifeq ($(CONFIG_TAR_VERBOSITY),y)
  TAR_OPTIONS:=-xvf -
else
  TAR_OPTIONS:=-xf -
endif

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

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

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

all:
FORCE: ;
.PHONY: FORCE

endif #__rules_inc