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 #########################################################################
27 # When cross-compiling on NetBSD, we have to define __PPC__ or else we
28 # will pick up a va_list declaration that is incompatible with the
29 # actual argument lists emitted by the compiler.
31 # [Tested on NetBSD/i386 1.5 + cross-powerpc-netbsd-1.3]
34 ifeq ($(CROSS_COMPILE),powerpc-netbsd-)
35 PLATFORM_CPPFLAGS+= -D__PPC__
37 ifeq ($(CROSS_COMPILE),powerpc-openbsd-)
38 PLATFORM_CPPFLAGS+= -D__PPC__
43 ifeq ($(CROSS_COMPILE),powerpc-netbsd-)
44 PLATFORM_CPPFLAGS+= -D__ARM__
46 ifeq ($(CROSS_COMPILE),powerpc-openbsd-)
47 PLATFORM_CPPFLAGS+= -D__ARM__
52 sinclude $(TOPDIR)/$(ARCH)_config.mk # include architecture dependend rules
55 sinclude $(TOPDIR)/cpu/$(CPU)/config.mk # include CPU specific rules
58 BOARDDIR = $(VENDOR)/$(BOARD)
63 sinclude $(TOPDIR)/board/$(BOARDDIR)/config.mk # include board specific rules
66 #########################################################################
68 CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
69 else if [ -x /bin/bash ]; then echo /bin/bash; \
70 else echo sh; fi ; fi)
72 ifeq ($(HOSTOS)-$(HOSTARCH),darwin-ppc)
77 HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer
80 #########################################################################
83 # Include the make variables (CC, etc...)
85 AS = $(CROSS_COMPILE)as
86 LD = $(CROSS_COMPILE)ld
87 CC = $(CROSS_COMPILE)gcc
89 AR = $(CROSS_COMPILE)ar
90 NM = $(CROSS_COMPILE)nm
91 STRIP = $(CROSS_COMPILE)strip
92 OBJCOPY = $(CROSS_COMPILE)objcopy
93 OBJDUMP = $(CROSS_COMPILE)objdump
94 RANLIB = $(CROSS_COMPILE)RANLIB
96 RELFLAGS= $(PLATFORM_RELFLAGS)
98 OPTFLAGS= -Os #-fomit-frame-pointer
99 #LDSCRIPT := board/$(BOARDDIR)/u-boot.lds.debug
100 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds
101 OBJCFLAGS := --gap-fill=0xff
103 CPPFLAGS := $(DBGFLAGS) $(OPTFLAGS) $(RELFLAGS) \
104 -D__KERNEL__ -DTEXT_BASE=$(TEXT_BASE) \
105 -I$(TOPDIR)/include \
107 -pipe $(PLATFORM_CPPFLAGS)
110 CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes \
111 -DBUILD_TAG='"$(BUILD_TAG)"'
113 CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes
116 AFLAGS_DEBUG := -Wa,-gstabs
117 AFLAGS := $(AFLAGS_DEBUG) -D__ASSEMBLY__ $(CPPFLAGS)
119 LDFLAGS += -Bstatic -T $(LDSCRIPT) -Ttext $(TEXT_BASE) $(PLATFORM_LDFLAGS)
121 # Location of a usable BFD library, where we define "usable" as
122 # "built for ${HOST}, supports ${TARGET}". Sensible values are
123 # - When cross-compiling: the root of the cross-environment
124 # - Linux/ppc (native): /usr
125 # - NetBSD/ppc (native): you lose ... (must extract these from the
126 # binutils build directory, plus the native and U-Boot include
127 # files don't like each other)
129 # So far, this is used only by tools/gdb/Makefile.
131 ifeq ($(HOSTOS)-$(HOSTARCH),darwin-ppc)
132 BFD_ROOT_DIR = /usr/local/tools
134 ifeq ($(HOSTARCH),$(ARCH))
138 #BFD_ROOT_DIR = /LinuxPPC/CDK # Linux/i386
139 #BFD_ROOT_DIR = /usr/pkg/cross # NetBSD/i386
140 BFD_ROOT_DIR = /opt/powerpc
144 #########################################################################
146 export CONFIG_SHELL HPATH HOSTCC HOSTCFLAGS CROSS_COMPILE \
147 AS LD CC CPP AR NM STRIP OBJCOPY OBJDUMP \
149 export TEXT_BASE PLATFORM_CPPFLAGS PLATFORM_RELFLAGS CPPFLAGS CFLAGS AFLAGS
151 #########################################################################
154 $(CPP) $(AFLAGS) -o $@ $(CURDIR)/$<
156 $(CC) $(AFLAGS) -c -o $@ $(CURDIR)/$<
158 $(CC) $(CFLAGS) -c -o $@ $<
160 #########################################################################