3 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 # See file CREDITS for list of people who contributed to this
8 # This program is free software; you can redistribute it and/or
9 # modify it under the terms of the GNU General Public License as
10 # published by the Free Software Foundation; either version 2 of
11 # the License, or (at your option) any later version.
13 # This program is distributed in the hope that it will be useful,
14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 # GNU General Public License for more details.
18 # You should have received a copy of the GNU General Public License
19 # along with this program; if not, write to the Free Software
20 # Foundation, Inc., 59 Temple Place, Suite 330, Boston,
24 #########################################################################
32 # When cross-compiling on NetBSD, we have to define __PPC__ or else we
33 # will pick up a va_list declaration that is incompatible with the
34 # actual argument lists emitted by the compiler.
36 # [Tested on NetBSD/i386 1.5 + cross-powerpc-netbsd-1.3]
39 ifeq ($(CROSS_COMPILE),powerpc-netbsd-)
40 PLATFORM_CPPFLAGS+= -D__PPC__
42 ifeq ($(CROSS_COMPILE),powerpc-openbsd-)
43 PLATFORM_CPPFLAGS+= -D__PPC__
48 ifeq ($(CROSS_COMPILE),powerpc-netbsd-)
49 PLATFORM_CPPFLAGS+= -D__ARM__
51 ifeq ($(CROSS_COMPILE),powerpc-openbsd-)
52 PLATFORM_CPPFLAGS+= -D__ARM__
57 sinclude $(TOPDIR)/$(ARCH)_config.mk # include architecture dependend rules
60 sinclude $(TOPDIR)/cpu/$(CPU)/config.mk # include CPU specific rules
63 BOARDDIR = $(VENDOR)/$(BOARD)
68 sinclude $(TOPDIR)/board/$(BOARDDIR)/config.mk # include board specific rules
71 #########################################################################
73 CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
74 else if [ -x /bin/bash ]; then echo /bin/bash; \
75 else echo sh; fi ; fi)
77 ifeq ($(HOSTOS)-$(HOSTARCH),darwin-ppc)
82 HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer
85 #########################################################################
88 # Include the make variables (CC, etc...)
90 AS = $(CROSS_COMPILE)as
91 LD = $(CROSS_COMPILE)ld
92 CC = $(CROSS_COMPILE)gcc
94 AR = $(CROSS_COMPILE)ar
95 NM = $(CROSS_COMPILE)nm
96 STRIP = $(CROSS_COMPILE)strip
97 OBJCOPY = $(CROSS_COMPILE)objcopy
98 OBJDUMP = $(CROSS_COMPILE)objdump
99 RANLIB = $(CROSS_COMPILE)RANLIB
101 RELFLAGS= $(PLATFORM_RELFLAGS)
102 DBGFLAGS= -g #-DDEBUG
103 OPTFLAGS= -Os #-fomit-frame-pointer
105 #LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug
106 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds
108 OBJCFLAGS += --gap-fill=0xff
110 gccincdir := $(shell $(CC) -print-file-name=include)
112 CPPFLAGS := $(DBGFLAGS) $(OPTFLAGS) $(RELFLAGS) \
113 -D__KERNEL__ -DTEXT_BASE=$(TEXT_BASE) \
114 -I$(TOPDIR)/include \
115 -fno-builtin -ffreestanding -nostdinc -isystem \
116 $(gccincdir) -pipe $(PLATFORM_CPPFLAGS)
119 CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes \
120 -DBUILD_TAG='"$(BUILD_TAG)"'
122 CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes
125 # avoid trigraph warnings while parsing pci.h (produced by NIOS gcc-2.9)
126 # this option have to be placed behind -Wall -- that's why it is here
128 ifeq ($(findstring 2.9,$(shell $(CC) --version)),2.9)
129 CFLAGS := $(CPPFLAGS) -Wno-trigraphs
133 AFLAGS_DEBUG := -Wa,-gstabs
134 AFLAGS := $(AFLAGS_DEBUG) -D__ASSEMBLY__ $(CPPFLAGS)
136 LDFLAGS += -Bstatic -T $(LDSCRIPT) -Ttext $(TEXT_BASE) $(PLATFORM_LDFLAGS)
138 # Location of a usable BFD library, where we define "usable" as
139 # "built for ${HOST}, supports ${TARGET}". Sensible values are
140 # - When cross-compiling: the root of the cross-environment
141 # - Linux/ppc (native): /usr
142 # - NetBSD/ppc (native): you lose ... (must extract these from the
143 # binutils build directory, plus the native and U-Boot include
144 # files don't like each other)
146 # So far, this is used only by tools/gdb/Makefile.
148 ifeq ($(HOSTOS)-$(HOSTARCH),darwin-ppc)
149 BFD_ROOT_DIR = /usr/local/tools
151 ifeq ($(HOSTARCH),$(ARCH))
155 #BFD_ROOT_DIR = /LinuxPPC/CDK # Linux/i386
156 #BFD_ROOT_DIR = /usr/pkg/cross # NetBSD/i386
157 BFD_ROOT_DIR = /opt/powerpc
161 #########################################################################
163 export CONFIG_SHELL HPATH HOSTCC HOSTCFLAGS CROSS_COMPILE \
164 AS LD CC CPP AR NM STRIP OBJCOPY OBJDUMP \
166 export TEXT_BASE PLATFORM_CPPFLAGS PLATFORM_RELFLAGS CPPFLAGS CFLAGS AFLAGS
168 #########################################################################
171 $(CPP) $(AFLAGS) -o $@ $(CURDIR)/$<
173 $(CC) $(AFLAGS) -c -o $@ $(CURDIR)/$<
175 $(CC) $(CFLAGS) -c -o $@ $<
177 #########################################################################