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Introduce Makefile config fragments for OS-specific differences.
Signed-off-by: John Levon <john.levon@sun.com>
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# -*- mode: Makefile; -*-
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AS = $(CROSS_COMPILE)as
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LD = $(CROSS_COMPILE)ld
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CC = $(CROSS_COMPILE)gcc
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CPP = $(CROSS_COMPILE)gcc -E
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AR = $(CROSS_COMPILE)ar
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RANLIB = $(CROSS_COMPILE)ranlib
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NM = $(CROSS_COMPILE)nm
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STRIP = $(CROSS_COMPILE)strip
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OBJCOPY = $(CROSS_COMPILE)objcopy
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OBJDUMP = $(CROSS_COMPILE)objdump
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INSTALL = install
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INSTALL_DIR = $(INSTALL) -d -m0755
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INSTALL_DATA = $(INSTALL) -m0644
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INSTALL_PROG = $(INSTALL) -m0755
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LIB64DIR = lib64
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ifneq ($(debug),y)
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# Optimisation flags are overridable
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CFLAGS ?= -O2 -fomit-frame-pointer
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else
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# Less than -O1 produces bad code and large stack frames
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CFLAGS ?= -O1 -fno-omit-frame-pointer
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endif
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# You may use wildcards, e.g. KERNELS=*2.6*
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KERNELS ?= linux-2.6-xen
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XKERNELS := $(foreach kernel, $(KERNELS), \
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$(patsubst buildconfigs/mk.%,%, \
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$(wildcard buildconfigs/mk.$(kernel))) )
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