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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
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8dfb61dcba
Allow user to use alternative implementations of compression tools, such as pigz, pbzip2, pxz. For example, multi-threaded tools to speed up the build: $ make GZIP=pigz BZIP2=pbzip2 Variables _GZIP, _BZIP2, _LZOP are used internally because original env vars are reserved by the tools. The use of GZIP in gzip tool is obsolete since 2015. However, alternative implementations (e.g., pigz) still rely on it. BZIP2, BZIP, LZOP vars are not obsolescent. The credit goes to @grsecurity. As a sidenote, for multi-threaded lzma, xz compression one can use: $ export XZ_OPT="--threads=0" Signed-off-by: Denis Efremov <efremov@linux.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
164 lines
5.2 KiB
Makefile
164 lines
5.2 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. Remember to do have actions
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# for "archclean" and "archdep" for cleaning up and making dependencies for
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# this architecture
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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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ifneq ($(SUBARCH),$(ARCH))
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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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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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# without -fno-strength-reduce the 53c7xx.c driver fails ;-(
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KBUILD_CFLAGS += -fno-strength-reduce -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_CFLAGS += -DUTS_SYSNAME=\"uClinux\"
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KBUILD_CFLAGS += -D__uClinux__
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KBUILD_AFLAGS += -D__uClinux__
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endif
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KBUILD_LDFLAGS := -m m68kelf
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KBUILD_LDS_MODULE += $(srctree)/arch/m68k/kernel/module.lds
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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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#
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# Select the assembler head startup code. Order is important. The default
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# head code is first, processor specific selections can override it after.
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#
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head-y := arch/m68k/kernel/head.o
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head-$(CONFIG_SUN3) := arch/m68k/kernel/sun3-head.o
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head-$(CONFIG_M68000) := arch/m68k/68000/head.o
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head-$(CONFIG_COLDFIRE) := arch/m68k/coldfire/head.o
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core-y += arch/m68k/kernel/ arch/m68k/mm/
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libs-y += arch/m68k/lib/
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core-$(CONFIG_Q40) += arch/m68k/q40/
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core-$(CONFIG_AMIGA) += arch/m68k/amiga/
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core-$(CONFIG_ATARI) += arch/m68k/atari/
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core-$(CONFIG_MAC) += arch/m68k/mac/
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core-$(CONFIG_HP300) += arch/m68k/hp300/
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core-$(CONFIG_APOLLO) += arch/m68k/apollo/
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core-$(CONFIG_MVME147) += arch/m68k/mvme147/
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core-$(CONFIG_MVME16x) += arch/m68k/mvme16x/
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core-$(CONFIG_BVME6000) += arch/m68k/bvme6000/
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core-$(CONFIG_SUN3X) += arch/m68k/sun3x/ arch/m68k/sun3/
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core-$(CONFIG_SUN3) += arch/m68k/sun3/ arch/m68k/sun3/prom/
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core-$(CONFIG_NATFEAT) += arch/m68k/emu/
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core-$(CONFIG_M68040) += arch/m68k/fpsp040/
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core-$(CONFIG_M68060) += arch/m68k/ifpsp060/
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core-$(CONFIG_M68KFPU_EMU) += arch/m68k/math-emu/
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core-$(CONFIG_M68000) += arch/m68k/68000/
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core-$(CONFIG_COLDFIRE) += arch/m68k/coldfire/
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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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$(_GZIP) -9c vmlinux.tmp >vmlinux.gz
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rm vmlinux.tmp
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else
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$(_GZIP) -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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$(STRIP) vmlinux.tmp
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$(_BZIP2) -1c vmlinux.tmp >vmlinux.bz2
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rm vmlinux.tmp
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else
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$(_BZIP2) -1c vmlinux >vmlinux.bz2
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endif
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archclean:
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rm -f vmlinux.gz vmlinux.bz2
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archheaders:
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$(Q)$(MAKE) $(build)=arch/m68k/kernel/syscalls all
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install:
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sh $(srctree)/arch/m68k/install.sh $(KERNELRELEASE) vmlinux.gz System.map "$(INSTALL_PATH)"
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