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Include MACHINE in the which variable selection to use section.

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imp 2019-11-21 06:48:30 +00:00
parent 443d1e62ca
commit 35761346d5
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6
share/man/man7/arch.7
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@ -347,13 +347,17 @@ Unless the make variable
is defined, make universe will not build mips, powerpc, nor sparc64
architectures unless the xtoolchain binaries have been installed for
the architecture.
.Ss MACHINE_ARCH vs MACHINE_CPUARCH
.Ss MACHINE_ARCH vs MACHINE_CPUARCH vs MACHINE
.Dv MACHINE_CPUARCH
should be preferred in Makefiles when the generic
architecture is being tested.
.Dv MACHINE_ARCH
should be preferred when there is something specific to a particular type of
architecture where there is a choice of many, or could be a choice of many.
Use
.Dv MACHINE
when referring to the kernel, interfaces dependent on a specific type of kernel
or similar things like boot sequences.
.Bl -column -offset indent "Dv MACHINE" "Dv MACHINE_CPUARCH" "Dv MACHINE_ARCH"
.It Dv MACHINE Ta Dv MACHINE_CPUARCH Ta Dv MACHINE_ARCH
.It arm64 Ta aarch64 Ta aarch64