source: trunk/rules.mk @ 16213

Last change on this file since 16213 was 16213, checked in by lars, 7 years ago

Set TARGET_CXX to 'no' if c++ is not enabled in the toolchain.

  • Property svn:eol-style set to native
File size: 5.1 KB
Line 
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
8ifneq ($(__rules_inc),1)
9__rules_inc=1
10
11ifeq ($(DUMP),)
12  -include $(TOPDIR)/.config
13endif
14include $(TOPDIR)/include/debug.mk
15include $(TOPDIR)/include/verbose.mk
16
17TMP_DIR:=$(TOPDIR)/tmp
18
19export SHELL=/usr/bin/env bash -c '. $(TOPDIR)/include/shell.sh; eval "$$2"' --
20
21qstrip=$(strip $(subst ",,$(1)))
22#"))
23
24empty:=
25space:= $(empty) $(empty)
26merge=$(subst $(space),,$(1))
27confvar=$(call merge,$(foreach v,$(1),$(if $($(v)),y,n)))
28strip_last=$(patsubst %.$(lastword $(subst .,$(space),$(1))),%,$(1))
29
30_SINGLE=export MAKEFLAGS=$(space);
31CFLAGS:=
32ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONFIG_ARCH)))))
33BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
34TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
35TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
36BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
37GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
38LIBC:=$(call qstrip,$(CONFIG_LIBC))
39LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
40SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
41
42OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))
43
44ifeq ($(ARCH),powerpc)
45  FPIC:=-fPIC
46else
47  FPIC:=-fpic
48endif
49
50DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
51BIN_DIR:=$(TOPDIR)/bin
52INCLUDE_DIR:=$(TOPDIR)/include
53SCRIPT_DIR:=$(TOPDIR)/scripts
54BUILD_DIR_BASE:=$(TOPDIR)/build_dir
55BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)_$(LIBC)-$(LIBCV)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
56BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
57BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)_gcc-$(GCCV)_$(LIBC)-$(LIBCV)
58STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)_$(LIBC)-$(LIBCV)
59STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
60TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)_gcc-$(GCCV)_$(LIBC)-$(LIBCV)
61PACKAGE_DIR:=$(BIN_DIR)/packages/target-$(ARCH)_$(LIBC)-$(LIBCV)
62STAMP_DIR:=$(BUILD_DIR)/stamp
63STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
64TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
65TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
66DEBUG_DIR:=$(BUILD_DIR)/debug-$(BOARD)
67BUILD_LOG_DIR:=$(TOPDIR)/logs
68
69TARGET_PATH:=$(TOOLCHAIN_DIR)/usr/bin:$(STAGING_DIR_HOST)/bin:$(PATH)
70TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
71TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
72TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
73TARGET_LDFLAGS:=-L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib -L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
74LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-lgcc_s,$(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a))
75
76ifndef DUMP
77ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
78  -include $(TOOLCHAIN_DIR)/info.mk
79  REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
80  GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
81  TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
82  TARGET_CFLAGS+= -fhonour-copts
83endif
84endif
85
86ifeq ($(CONFIG_SOFT_FLOAT),y)
87  SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
88  TARGET_CFLAGS+= -msoft-float
89else
90  SOFT_FLOAT_CONFIG_OPTION:=
91endif
92
93export PATH:=$(TARGET_PATH)
94export STAGING_DIR
95export GCC_HONOUR_COPTS:=0
96
97PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
98
99export PKG_CONFIG
100
101HOSTCC:=gcc
102HOST_CFLAGS:=-O2 -I$(STAGING_DIR_HOST)/include
103HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
104
105TARGET_CC:=$(TARGET_CROSS)gcc
106TARGET_CXX:=$(if $(CONFIG_INSTALL_LIBSTDCPP),$(TARGET_CROSS)g++,no)
107STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
108PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
109SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
110CP:=cp -fpR
111
112INSTALL_BIN:=install -m0755
113INSTALL_DIR:=install -d -m0755
114INSTALL_DATA:=install -m0644
115INSTALL_CONF:=install -m0600
116
117ifneq ($(CONFIG_CCACHE),)
118  # FIXME: move this variable to a better location
119  export CCACHE_DIR=$(STAGING_DIR)/ccache
120  TARGET_CC:= ccache $(TARGET_CC)
121endif
122
123TARGET_CONFIGURE_OPTS:= \
124  AR=$(TARGET_CROSS)ar \
125  AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
126  LD=$(TARGET_CROSS)ld \
127  NM=$(TARGET_CROSS)nm \
128  CC="$(TARGET_CC)" \
129  GCC="$(TARGET_CC)" \
130  CXX="$(TARGET_CXX)" \
131  RANLIB=$(TARGET_CROSS)ranlib \
132  STRIP=$(TARGET_CROSS)strip \
133  OBJCOPY=$(TARGET_CROSS)objcopy \
134  OBJDUMP=$(TARGET_CROSS)objdump \
135  SIZE=$(TARGET_CROSS)size
136
137# strip an entire directory
138ifneq ($(CONFIG_NO_STRIP),)
139  RSTRIP:=:
140else
141  RSTRIP:= \
142    NM="$(TARGET_CROSS)nm" \
143    STRIP="$(STRIP)" \
144    STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" \
145    $(SCRIPT_DIR)/rstrip.sh
146endif
147
148ifeq ($(CONFIG_ENABLE_LOCALE),true)
149  DISABLE_NLS:=
150else
151  DISABLE_NLS:=--disable-nls
152endif
153
154ifneq ($(CONFIG_LARGEFILE),y)
155  DISABLE_LARGEFILE= --disable-largefile
156endif
157
158ifeq ($(CONFIG_TAR_VERBOSITY),y)
159  TAR_OPTIONS:=-xvf -
160else
161  TAR_OPTIONS:=-xf -
162endif
163
164define shvar
165V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
166endef
167
168define shexport
169$(call shvar,$(1))=$$(call $(1))
170export $(call shvar,$(1))
171endef
172
173# file extension
174ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
175
176all:
177FORCE: ;
178.PHONY: FORCE
179
180endif #__rules_inc
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