rb532: preserve commandline-patched kernel images for faster kernel testing via netboot
[openwrt/staging/florian.git] / rules.mk
1 #
2 # Copyright (C) 2006-2008 OpenWrt.org
3 #
4 # This is free software, licensed under the GNU General Public License v2.
5 # See /LICENSE for more information.
6 #
7
8 ifneq ($(__rules_inc),1)
9 __rules_inc=1
10
11 ifeq ($(DUMP),)
12 -include $(TOPDIR)/.config
13 endif
14 include $(TOPDIR)/include/debug.mk
15 include $(TOPDIR)/include/verbose.mk
16
17 TMP_DIR:=$(TOPDIR)/tmp
18
19 export SHELL=/usr/bin/env bash -c '. $(TOPDIR)/include/shell.sh; eval "$$2"' --
20
21 qstrip=$(strip $(subst ",,$(1)))
22 #"))
23
24 empty:=
25 space:= $(empty) $(empty)
26 merge=$(subst $(space),,$(1))
27 confvar=$(call merge,$(foreach v,$(1),$(if $($(v)),y,n)))
28 strip_last=$(patsubst %.$(lastword $(subst .,$(space),$(1))),%,$(1))
29
30 _SINGLE=export MAKEFLAGS=$(space);
31 CFLAGS:=
32 ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONFIG_ARCH)))))
33 BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
34 TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
35 TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
36 BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
37 GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
38 LIBC:=$(call qstrip,$(CONFIG_LIBC))
39 LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
40 SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
41
42 OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))
43
44 ifeq ($(ARCH),powerpc)
45 FPIC:=-fPIC
46 else
47 FPIC:=-fpic
48 endif
49
50 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
51 BIN_DIR:=$(TOPDIR)/bin
52 INCLUDE_DIR:=$(TOPDIR)/include
53 SCRIPT_DIR:=$(TOPDIR)/scripts
54 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
55 BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)_$(LIBC)-$(LIBCV)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
56 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
57 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)_gcc-$(GCCV)_$(LIBC)-$(LIBCV)
58 STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)_$(LIBC)-$(LIBCV)
59 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
60 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)_gcc-$(GCCV)_$(LIBC)-$(LIBCV)
61 PACKAGE_DIR:=$(BIN_DIR)/packages/target-$(ARCH)_$(LIBC)-$(LIBCV)
62 STAMP_DIR:=$(BUILD_DIR)/stamp
63 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
64 TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
65 TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
66 DEBUG_DIR:=$(BUILD_DIR)/debug-$(BOARD)
67
68 TARGET_PATH:=$(TOOLCHAIN_DIR)/usr/bin:$(STAGING_DIR_HOST)/bin:$(PATH)
69 TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
70 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
71 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
72 TARGET_LDFLAGS:=-L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib -L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
73 LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-lgcc_s,$(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a))
74
75 ifndef DUMP
76 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
77 -include $(TOOLCHAIN_DIR)/info.mk
78 REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
79 GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
80 TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
81 TARGET_CFLAGS+= -fhonour-copts
82 endif
83 endif
84
85 ifeq ($(CONFIG_SOFT_FLOAT),y)
86 SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
87 TARGET_CFLAGS+= -msoft-float
88 else
89 SOFT_FLOAT_CONFIG_OPTION:=
90 endif
91
92 export PATH:=$(TARGET_PATH)
93 export STAGING_DIR
94 export GCC_HONOUR_COPTS:=0
95
96 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
97
98 export PKG_CONFIG
99
100 HOSTCC:=gcc
101 HOST_CFLAGS:=-O2 -I$(STAGING_DIR_HOST)/include
102 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
103
104 TARGET_CC:=$(TARGET_CROSS)gcc
105 TARGET_CXX:=$(TARGET_CROSS)g++
106 STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
107 PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
108 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
109 CP:=cp -fpR
110
111 INSTALL_BIN:=install -m0755
112 INSTALL_DIR:=install -d -m0755
113 INSTALL_DATA:=install -m0644
114 INSTALL_CONF:=install -m0600
115
116 ifneq ($(CONFIG_CCACHE),)
117 # FIXME: move this variable to a better location
118 export CCACHE_DIR=$(STAGING_DIR)/ccache
119 TARGET_CC:= ccache $(TARGET_CC)
120 endif
121
122 TARGET_CONFIGURE_OPTS:= \
123 AR=$(TARGET_CROSS)ar \
124 AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
125 LD=$(TARGET_CROSS)ld \
126 NM=$(TARGET_CROSS)nm \
127 CC="$(TARGET_CC)" \
128 GCC="$(TARGET_CC)" \
129 CXX="$(TARGET_CXX)" \
130 RANLIB=$(TARGET_CROSS)ranlib \
131 STRIP=$(TARGET_CROSS)strip \
132 OBJCOPY=$(TARGET_CROSS)objcopy \
133 OBJDUMP=$(TARGET_CROSS)objdump \
134 SIZE=$(TARGET_CROSS)size
135
136 # strip an entire directory
137 ifneq ($(CONFIG_NO_STRIP),)
138 RSTRIP:=:
139 else
140 RSTRIP:= \
141 NM="$(TARGET_CROSS)nm" \
142 STRIP="$(STRIP)" \
143 STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" \
144 $(SCRIPT_DIR)/rstrip.sh
145 endif
146
147 ifeq ($(CONFIG_ENABLE_LOCALE),true)
148 DISABLE_NLS:=
149 else
150 DISABLE_NLS:=--disable-nls
151 endif
152
153 ifneq ($(CONFIG_LARGEFILE),y)
154 DISABLE_LARGEFILE= --disable-largefile
155 endif
156
157 ifeq ($(CONFIG_TAR_VERBOSITY),y)
158 TAR_OPTIONS:=-xvf -
159 else
160 TAR_OPTIONS:=-xf -
161 endif
162
163 define shvar
164 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
165 endef
166
167 define shexport
168 $(call shvar,$(1))=$$(call $(1))
169 export $(call shvar,$(1))
170 endef
171
172 # file extension
173 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
174
175 all:
176 FORCE: ;
177 .PHONY: FORCE
178
179 endif #__rules_inc