[PATCH] remove gcc-2 checks
[linux-2.6.git] / arch / i386 / Makefile
1 #
2 # i386/Makefile
3 #
4 # This file is included by the global makefile so that you can add your own
5 # architecture-specific flags and dependencies. Remember to do have actions
6 # for "archclean" cleaning up for this architecture.
7 #
8 # This file is subject to the terms and conditions of the GNU General Public
9 # License.  See the file "COPYING" in the main directory of this archive
10 # for more details.
11 #
12 # Copyright (C) 1994 by Linus Torvalds
13 #
14 # 19990713  Artur Skawina <skawina@geocities.com>
15 #           Added '-march' and '-mpreferred-stack-boundary' support
16 #
17 # 20050320  Kianusch Sayah Karadji <kianusch@sk-tech.net>
18 #           Added support for GEODE CPU
19
20 HAS_BIARCH      := $(call cc-option-yn, -m32)
21 ifeq ($(HAS_BIARCH),y)
22 AS              := $(AS) --32
23 LD              := $(LD) -m elf_i386
24 CC              := $(CC) -m32
25 endif
26
27 LDFLAGS         := -m elf_i386
28 OBJCOPYFLAGS    := -O binary -R .note -R .comment -S
29 LDFLAGS_vmlinux :=
30 CHECKFLAGS      += -D__i386__
31
32 CFLAGS += -pipe -msoft-float
33
34 # prevent gcc from keeping the stack 16 byte aligned
35 CFLAGS += $(call cc-option,-mpreferred-stack-boundary=2)
36
37 # CPU-specific tuning. Anything which can be shared with UML should go here.
38 include $(srctree)/arch/i386/Makefile.cpu
39
40 cflags-$(CONFIG_REGPARM)        += -mregparm=3
41
42 # Disable unit-at-a-time mode, it makes gcc use a lot more stack
43 # due to the lack of sharing of stacklots.
44 CFLAGS += $(call cc-option,-fno-unit-at-a-time)
45
46 CFLAGS += $(cflags-y)
47
48 # Default subarch .c files
49 mcore-y  := mach-default
50
51 # Voyager subarch support
52 mflags-$(CONFIG_X86_VOYAGER)    := -Iinclude/asm-i386/mach-voyager
53 mcore-$(CONFIG_X86_VOYAGER)     := mach-voyager
54
55 # VISWS subarch support
56 mflags-$(CONFIG_X86_VISWS)      := -Iinclude/asm-i386/mach-visws
57 mcore-$(CONFIG_X86_VISWS)       := mach-visws
58
59 # NUMAQ subarch support
60 mflags-$(CONFIG_X86_NUMAQ)      := -Iinclude/asm-i386/mach-numaq
61 mcore-$(CONFIG_X86_NUMAQ)       := mach-default
62
63 # BIGSMP subarch support
64 mflags-$(CONFIG_X86_BIGSMP)     := -Iinclude/asm-i386/mach-bigsmp
65 mcore-$(CONFIG_X86_BIGSMP)      := mach-default
66
67 #Summit subarch support
68 mflags-$(CONFIG_X86_SUMMIT) := -Iinclude/asm-i386/mach-summit
69 mcore-$(CONFIG_X86_SUMMIT)  := mach-default
70
71 # generic subarchitecture
72 mflags-$(CONFIG_X86_GENERICARCH) := -Iinclude/asm-i386/mach-generic
73 mcore-$(CONFIG_X86_GENERICARCH) := mach-default
74 core-$(CONFIG_X86_GENERICARCH) += arch/i386/mach-generic/
75
76 # ES7000 subarch support
77 mflags-$(CONFIG_X86_ES7000)     := -Iinclude/asm-i386/mach-es7000
78 mcore-$(CONFIG_X86_ES7000)      := mach-default
79 core-$(CONFIG_X86_ES7000)       := arch/i386/mach-es7000/
80
81 # default subarch .h files
82 mflags-y += -Iinclude/asm-i386/mach-default
83
84 head-y := arch/i386/kernel/head.o arch/i386/kernel/init_task.o
85
86 libs-y                                  += arch/i386/lib/
87 core-y                                  += arch/i386/kernel/ \
88                                            arch/i386/mm/ \
89                                            arch/i386/$(mcore-y)/ \
90                                            arch/i386/crypto/
91 drivers-$(CONFIG_MATH_EMULATION)        += arch/i386/math-emu/
92 drivers-$(CONFIG_PCI)                   += arch/i386/pci/
93 # must be linked after kernel/
94 drivers-$(CONFIG_OPROFILE)              += arch/i386/oprofile/
95 drivers-$(CONFIG_PM)                    += arch/i386/power/
96
97 CFLAGS += $(mflags-y)
98 AFLAGS += $(mflags-y)
99
100 boot := arch/i386/boot
101
102 .PHONY: zImage bzImage compressed zlilo bzlilo \
103         zdisk bzdisk fdimage fdimage144 fdimage288 install kernel_install
104
105 all: bzImage
106
107 # KBUILD_IMAGE specify target image being built
108                     KBUILD_IMAGE := $(boot)/bzImage
109 zImage zlilo zdisk: KBUILD_IMAGE := arch/i386/boot/zImage
110
111 zImage bzImage: vmlinux
112         $(Q)$(MAKE) $(build)=$(boot) $(KBUILD_IMAGE)
113
114 compressed: zImage
115
116 zlilo bzlilo: vmlinux
117         $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zlilo
118
119 zdisk bzdisk: vmlinux
120         $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zdisk
121
122 fdimage fdimage144 fdimage288: vmlinux
123         $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) $@
124
125 install: vmlinux
126 install kernel_install:
127         $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) install
128
129 archclean:
130         $(Q)$(MAKE) $(clean)=arch/i386/boot
131
132 define archhelp
133   echo  '* bzImage      - Compressed kernel image (arch/$(ARCH)/boot/bzImage)'
134   echo  '  install      - Install kernel using'
135   echo  '                  (your) ~/bin/installkernel or'
136   echo  '                  (distribution) /sbin/installkernel or'
137   echo  '                  install to $$(INSTALL_PATH) and run lilo'
138   echo  '  bzdisk       - Create a boot floppy in /dev/fd0'
139   echo  '  fdimage      - Create a boot floppy image'
140 endef
141
142 CLEAN_FILES += arch/$(ARCH)/boot/fdimage arch/$(ARCH)/boot/mtools.conf