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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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5f2fb52fac
In old days, the "host-progs" syntax was used for specifying host
programs. It was renamed to the current "hostprogs-y" in 2004.
It is typically useful in scripts/Makefile because it allows Kbuild to
selectively compile host programs based on the kernel configuration.
This commit renames like follows:
always -> always-y
hostprogs-y -> hostprogs
So, scripts/Makefile will look like this:
always-$(CONFIG_BUILD_BIN2C) += ...
always-$(CONFIG_KALLSYMS) += ...
...
hostprogs := $(always-y) $(always-m)
I think this makes more sense because a host program is always a host
program, irrespective of the kernel configuration. We want to specify
which ones to compile by CONFIG options, so always-y will be handier.
The "always", "hostprogs-y", "hostprogs-m" will be kept for backward
compatibility for a while.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
45 lines
1.3 KiB
Makefile
45 lines
1.3 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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ifndef CROSS_COMPILE
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hostprogs := bpf-fancy dropper bpf-direct user-trap
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HOSTCFLAGS_bpf-fancy.o += -I$(objtree)/usr/include
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HOSTCFLAGS_bpf-fancy.o += -idirafter $(objtree)/include
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HOSTCFLAGS_bpf-helper.o += -I$(objtree)/usr/include
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HOSTCFLAGS_bpf-helper.o += -idirafter $(objtree)/include
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bpf-fancy-objs := bpf-fancy.o bpf-helper.o
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HOSTCFLAGS_dropper.o += -I$(objtree)/usr/include
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HOSTCFLAGS_dropper.o += -idirafter $(objtree)/include
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dropper-objs := dropper.o
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HOSTCFLAGS_bpf-direct.o += -I$(objtree)/usr/include
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HOSTCFLAGS_bpf-direct.o += -idirafter $(objtree)/include
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bpf-direct-objs := bpf-direct.o
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HOSTCFLAGS_user-trap.o += -I$(objtree)/usr/include
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HOSTCFLAGS_user-trap.o += -idirafter $(objtree)/include
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user-trap-objs := user-trap.o
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# Try to match the kernel target.
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ifndef CONFIG_64BIT
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# s390 has -m31 flag to build 31 bit binaries
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ifndef CONFIG_S390
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MFLAG = -m32
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else
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MFLAG = -m31
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endif
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HOSTCFLAGS_bpf-direct.o += $(MFLAG)
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HOSTCFLAGS_dropper.o += $(MFLAG)
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HOSTCFLAGS_bpf-helper.o += $(MFLAG)
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HOSTCFLAGS_bpf-fancy.o += $(MFLAG)
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HOSTCFLAGS_user-trap.o += $(MFLAG)
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HOSTLDLIBS_bpf-direct += $(MFLAG)
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HOSTLDLIBS_bpf-fancy += $(MFLAG)
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HOSTLDLIBS_dropper += $(MFLAG)
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HOSTLDLIBS_user-trap += $(MFLAG)
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endif
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always-y := $(hostprogs)
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endif
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