[llvm-dev] Moving to a new machine

via llvm-dev
Wed, 24 Feb 2021 16:11:10 -0000

I wrote a short bash script to invoke cmake with all the things I always want.
Don’t need to waste valuable neurons on remembering these things.
--paulr

From: llvm-dev <llvm-dev-bounces at lists.llvm.org> On Behalf Of James
Henderson via llvm-dev
Sent: Wednesday, February 24, 2021 3:56 AM
To: Paul C. Anagnostopoulos <paul at windfall.com>
Cc: llvm-dev <llvm-dev at lists.llvm.org>
Subject: Re: [llvm-dev] Moving to a new machine

Unless everything is installed in the same location, copying the CMakeCache.txt
likely won't work, as it includes things like paths to compilers in it, if I
remember rightly. I've used diffs to try to identify which variables
I've set before, but in practice, I end up just memorizing the three or four
variables I tend to change from the defaults.

James

On Tue, 23 Feb 2021 at 22:06, Paul C. Anagnostopoulos via llvm-dev <llvm-dev
at lists.llvm.org<mailto:llvm-dev at lists.llvm.org>> wrote:
I've edited CMakeCache.txt so many times that I have no idea what to specify
on the 'cmake' command line. Should I just guess, run cmake, copy my
existing file on top of CMakeCache.txt, and run cmake again?

At 2/23/2021 04:46 PM, Stefanos Baziotis wrote:
>Hi Paul,
>
>Maybe I missed something but why do you need to copy directories if you want
to build from scratch?
>Just use the same CMake arguments you used in the original build.

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