llvm dev - Jun 2015 - [LLVMdev] Can't Use cmake?

Hello,

I’m trying to get the SAFECode compiler up and running for work I’ll be doing,
and in trying to configure LLVM (according to the information at
http://llvm.org/docs/GettingStarted.html), I ran into some confusion.  In step 8
in the section "Getting Started Quickly (A Summary)”, I realized that I
wouldn’t be able to follow the steps exactly as described, because they tell me
to create a new directory called “build” and then cd to it and try to use cmake.
How was this supposed to work, given that I’m doing this from a newly created
empty directory?  Every time I try it, bash tells me that the command “cmake”
wasn’t found.  What am I supposed to do here?

Thank you,
Peter Finn

Dear Peter,

SAFECode never used CMake; it used the older Autoconf-based build 
system.  You need to compile LLVM per the Autoconf instructions 
(http://llvm.org/docs/BuildingLLVMWithAutotools.html) which should match 
the instructions for building LLVM in the SAFECode Install Guide (modulo 
the change in LLVM version).

Per a recent discussion we've been having on llvmdev, we'll eventually 
be moving over to CMake style builds, but for now, the Autoconf-style 
builds should still work.

Regards,

John Criswell


On 6/19/15 12:42 PM, Peter Finn wrote:
> Hello,
>
> I’m trying to get the SAFECode compiler up and running for work I’ll be
doing, and in trying to configure LLVM (according to the information at
https://urldefense.proofpoint.com/v2/url?u=http-3A__llvm.org_docs_GettingStarted.html&d=AwIFaQ&c=kbmfwr1Yojg42sGEpaQh5ofMHBeTl9EI2eaqQZhHbOU&r=fdMDFHMrifGoCz8oJsL-bhyCedLfUlcYK7E598pdzZY&m=4UDnViKsL_dU5l7_EI7tMecl05gTNUTBnxetxZfMqH0&s=exi-gBReNgdIItE9V5xNc3jsEUTrWAW3oblOSQBz0Cc&e=
), I ran into some confusion.  In step 8 in the section "Getting Started
Quickly (A Summary)”, I realized that I wouldn’t be able to follow the steps
exactly as described, because they tell me to create a new directory called
“build” and then cd to it and try to use cmake.  How was this supposed to work,
given that I’m doing this from a newly created empty directory?  Every time I
try it, bash tells me that the command “cmake” wasn’t found.  What am I supposed
to do here?
>
> Thank you,
> Peter Finn

-- 
John Criswell
Assistant Professor
Department of Computer Science, University of Rochester
http://www.cs.rochester.edu/u/criswell

Peter,

Sorry for the late reply. I see that John already told you SAFECode doesn’t
support building with CMake. I also wanted to address one of the questions in
your original email.
>> How was this supposed to work, given that I’m doing this from a newly
created empty directory?
CMake is a binary tool that you will need to install on your system, it does not
live in tree and it is not a script like configure. For more information on
installing CMake for your OS see http://www.cmake.org/install/
<http://www.cmake.org/install/>.

-Chris

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