calc 2.14.0.9 release

[lcn2]

The following are the changes in this release:

Due to issues with clang and Apple Silicon, ARCH_CFLAGS is now,
by default, empty:

ARCH_CFLAGS=

If you want to use, say, -march=native, then either change
the Makefile or make with:

make all ARCH_CFLAGS='-march=native'

Added arch and hardware as GNU Makefile computed values.
As with ${target}, ${arch} and ${hardware} is computed by uname:

target: uname -a
arch: uname -p
hardware: uname -m

Fixed compiling calc on Apple Silicon with homebrew.  On Apple
Silicon, HomeBrew installs on into a different location.  The
Makefile checks if ${hardware} is arm64 and adjusts the location
of libraries such as readline and history accordingly.

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This discussion was created from the release calc 2.14.0.9 release.

[pmetzger]

FWIW, MacPorts has had ARCH_CFLAGS:= in Makefile.local for a while.

[lcn2]

Thanks for that info about MacPorts Makefile.local @pmetzger