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3b9ab248bc
GNU Make manual [1] clearly forbids a tab at the beginning of the
conditional directive line:
"Extra spaces are allowed and ignored at the beginning of the
conditional directive line, but a tab is not allowed."
This will not work for the next release of GNU Make, hence commit
82175d1f94 ("kbuild: Replace tabs with spaces when followed by
conditionals") replaced the inappropriate tabs with 8 spaces.
However, the 8-space indentation cannot be visually distinguished.
Linus suggested 2-4 spaces for those nested if-statements. [2]
This commit redoes the replacement with 4 spaces.
[1]: https://www.gnu.org/software/make/manual/make.html#Conditional-Syntax
[2]: https://lore.kernel.org/all/CAHk-=whJKZNZWsa-VNDKafS_VfY4a5dAjG-r8BZgWk_a-xSepw@mail.gmail.com/
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
134 lines
3.8 KiB
Makefile
134 lines
3.8 KiB
Makefile
#
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# m68k/Makefile
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#
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# This file is included by the global makefile so that you can add your own
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# architecture-specific flags and dependencies.
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#
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# This file is subject to the terms and conditions of the GNU General Public
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# License. See the file "COPYING" in the main directory of this archive
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# for more details.
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#
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# Copyright (C) 1994 by Hamish Macdonald
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# Copyright (C) 2002,2011 Greg Ungerer <gerg@snapgear.com>
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#
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KBUILD_DEFCONFIG := multi_defconfig
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ifdef cross_compiling
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ifeq ($(CROSS_COMPILE),)
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CROSS_COMPILE := $(call cc-cross-prefix, \
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m68k-linux-gnu- m68k-linux- m68k-unknown-linux-gnu-)
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endif
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endif
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#
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# Enable processor type. Ordering of these is important - we want to
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# use the minimum processor type of the range we support. The logic
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# for 680x0 will only allow use of the -m68060 or -m68040 if no other
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# 680x0 type is specified - and no option is specified for 68030 or
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# 68020. The other m68k/ColdFire types always specify some type of
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# compiler cpu type flag.
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#
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ifndef CONFIG_M68040
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cpuflags-$(CONFIG_M68060) = -m68060
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endif
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ifndef CONFIG_M68060
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cpuflags-$(CONFIG_M68040) = -m68040
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endif
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cpuflags-$(CONFIG_M68030) =
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cpuflags-$(CONFIG_M68020) =
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cpuflags-$(CONFIG_M68000) = -m68000
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cpuflags-$(CONFIG_M5441x) = $(call cc-option,-mcpu=54455,-mcfv4e)
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cpuflags-$(CONFIG_M54xx) = $(call cc-option,-mcpu=5475,-m5200)
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cpuflags-$(CONFIG_M5407) = $(call cc-option,-mcpu=5407,-m5200)
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cpuflags-$(CONFIG_M532x) = $(call cc-option,-mcpu=532x,-m5307)
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cpuflags-$(CONFIG_M537x) = $(call cc-option,-mcpu=537x,-m5307)
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cpuflags-$(CONFIG_M5307) = $(call cc-option,-mcpu=5307,-m5200)
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cpuflags-$(CONFIG_M528x) = $(call cc-option,-mcpu=528x,-m5307)
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cpuflags-$(CONFIG_M5275) = $(call cc-option,-mcpu=5275,-m5307)
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cpuflags-$(CONFIG_M5272) = $(call cc-option,-mcpu=5272,-m5307)
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cpuflags-$(CONFIG_M5271) = $(call cc-option,-mcpu=5271,-m5307)
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cpuflags-$(CONFIG_M523x) = $(call cc-option,-mcpu=523x,-m5307)
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cpuflags-$(CONFIG_M525x) = $(call cc-option,-mcpu=5253,-m5200)
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cpuflags-$(CONFIG_M5249) = $(call cc-option,-mcpu=5249,-m5200)
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cpuflags-$(CONFIG_M520x) = $(call cc-option,-mcpu=5208,-m5200)
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cpuflags-$(CONFIG_M5206e) = $(call cc-option,-mcpu=5206e,-m5200)
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cpuflags-$(CONFIG_M5206) = $(call cc-option,-mcpu=5206,-m5200)
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# Evaluate tune cc-option calls now
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cpuflags-y := $(cpuflags-y)
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KBUILD_AFLAGS += $(cpuflags-y)
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KBUILD_CFLAGS += $(cpuflags-y)
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KBUILD_CFLAGS += -pipe -ffreestanding
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ifdef CONFIG_MMU
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KBUILD_CFLAGS += -ffixed-a2
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else
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# we can use a m68k-linux-gcc toolchain with these in place
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KBUILD_CPPFLAGS += -DUTS_SYSNAME=\"uClinux\"
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KBUILD_CPPFLAGS += -D__uClinux__
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endif
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KBUILD_LDFLAGS := -m m68kelf
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ifdef CONFIG_SUN3
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LDFLAGS_vmlinux = -N
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endif
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CHECKFLAGS += -D__mc68000__
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ifdef CONFIG_KGDB
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# If configured for kgdb support, include debugging infos and keep the
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# frame pointer
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KBUILD_CFLAGS := $(subst -fomit-frame-pointer,,$(KBUILD_CFLAGS)) -g
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endif
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libs-y += arch/m68k/lib/
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all: zImage
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lilo: vmlinux
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if [ -f $(INSTALL_PATH)/vmlinux ]; then mv -f $(INSTALL_PATH)/vmlinux $(INSTALL_PATH)/vmlinux.old; fi
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if [ -f $(INSTALL_PATH)/System.map ]; then mv -f $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi
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cat vmlinux > $(INSTALL_PATH)/vmlinux
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cp System.map $(INSTALL_PATH)/System.map
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if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi
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zImage compressed: vmlinux.gz
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vmlinux.gz: vmlinux
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ifndef CONFIG_KGDB
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cp vmlinux vmlinux.tmp
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$(STRIP) vmlinux.tmp
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$(KGZIP) -9c vmlinux.tmp >vmlinux.gz
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rm vmlinux.tmp
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else
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$(KGZIP) -9c vmlinux >vmlinux.gz
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endif
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bzImage: vmlinux.bz2
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vmlinux.bz2: vmlinux
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ifndef CONFIG_KGDB
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cp vmlinux vmlinux.tmp
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$(STRIP) vmlinux.tmp
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$(KBZIP2) -1c vmlinux.tmp >vmlinux.bz2
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rm vmlinux.tmp
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else
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$(KBZIP2) -1c vmlinux >vmlinux.bz2
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endif
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CLEAN_FILES += vmlinux.gz vmlinux.bz2
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archheaders:
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$(Q)$(MAKE) $(build)=arch/m68k/kernel/syscalls all
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install: KBUILD_IMAGE := vmlinux.gz
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install:
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$(call cmd,install)
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