[cfe-dev] clang 3.9 installation

via cfe-dev cfe-dev at lists.llvm.org
Tue Nov 15 04:01:23 PST 2016 

Hi Don,

I have downloaded the binaries from the below mentioned site and trying to compile but facing issues.

http://llvm.org/releases/download.html

Could you please help me with the steps to be performed in linux for compiling clang.

Thanks,
Chandini

From: don hinton [mailto:hintonda at gmail.com]
Sent: Tuesday, November 15, 2016 4:56 PM
To: Chandini Sainu (GIS) <chandini.sainu at wipro.com>
Cc: cfe-dev at lists.llvm.org; sepavloff at gmail.com
Subject: Re: [cfe-dev] clang 3.9 installation


** This mail has been sent from an external source **
If you want to build llvm+clang from scratch, please follow these instructions:

http://clang.llvm.org/get_started.html

But, if you just want to use it, I'd suggest you download one of the pre-built binaries found here:

http://llvm.org/releases/download.html

On Tue, Nov 15, 2016 at 2:34 AM <chandini.sainu at wipro.com<mailto:chandini.sainu at wipro.com>> wrote:
Hi Don,

Tried without sudo but still the same issue.

llvm 3.9 is downloaded. Do you want me to link clang to llvm/tools?

FYI

[sainu at oulnxc55 xfer/sainu/cfe-3.9.0.src]$ls
bindings  CMakeLists.txt   docs      include  INSTALL.txt  LICENSE.TXT     NOTES.txt   runtime  tools      utils
cmake     CODE_OWNERS.TXT  examples  INPUTS   lib          ModuleInfo.txt  README.txt  test     unittests  www

[sainu at oulnxc55 xfer/sainu/llvm-3.9.0.src/tools]$ls
bugpoint         llvm-ar                           llvm-cov        llvm-extract      llvm-mcmarkup  llvm-shlib       msbuild              yaml2obj
bugpoint-passes  llvm-as                           llvm-c-test     llvm-go           llvm-nm        llvm-size        obj2yaml
CMakeLists.txt   llvm-as-fuzzer                    llvm-cxxdump    llvm-jitlistener  llvm-objdump   llvm-split       opt
dsymutil         llvm-as-parasitic-coverage-repro  llvm-diff       llvm-link         llvm-pdbdump   llvm-stress      sancov
gold             llvm-bcanalyzer                   llvm-dis        llvm-lto          llvm-profdata  llvm-symbolizer  sanstats
llc              LLVMBuild.txt                     llvm-dwarfdump  llvm-mc           llvm-readobj   llvm-vtabledump  verify-uselistorder
lli              llvm-config                       llvm-dwp        llvm-mc-fuzzer    llvm-rtdyld    lto              xcode-toolchain
[sainu at oulnxc55 xfer/sainu/llvm-3.9.0.src/tools]$

Thanks,
Chandini

From: don hinton [mailto:hintonda at gmail.com<mailto:hintonda at gmail.com>]
Sent: Monday, November 14, 2016 8:38 PM

To: Chandini Sainu (GIS) <chandini.sainu at wipro.com<mailto:chandini.sainu at wipro.com>>
Cc: sepavloff at gmail.com<mailto:sepavloff at gmail.com>; clang developer list <cfe-dev at lists.llvm.org<mailto:cfe-dev at lists.llvm.org>>; Suryakanta Sahoo (GIS) <suryakanta.sahoo at wipro.com<mailto:suryakanta.sahoo at wipro.com>>

Subject: Re: [cfe-dev] clang 3.9 installation


** This mail has been sent from an external source **
Btw, sudo only explains the gcc version issue.

The other errors seem to indicate cmake can't find the llvm directory.  Did you download llvm?  Normally, you download clang under the llvm/tools directory (renaming or linking cfe as clang), then run cmake like this:

  cmake <options> ../llvm

where ../llvm points to the llvm root directory.

again, hth...
don

On Mon, Nov 14, 2016 at 6:52 AM, <chandini.sainu at wipro.com<mailto:chandini.sainu at wipro.com>> wrote:
Hi Hinton,

Will check and revert back.

Thanks,
Chandini

From: don hinton [mailto:hintonda at gmail.com<mailto:hintonda at gmail.com>]
Sent: Monday, November 14, 2016 8:07 PM
To: Chandini Sainu (GIS) <chandini.sainu at wipro.com<mailto:chandini.sainu at wipro.com>>; sepavloff at gmail.com<mailto:sepavloff at gmail.com>
Cc: cfe-dev at lists.llvm.org<mailto:cfe-dev at lists.llvm.org>; Suryakanta Sahoo (GIS) <suryakanta.sahoo at wipro.com<mailto:suryakanta.sahoo at wipro.com>>

Subject: Re: [cfe-dev] clang 3.9 installation


** This mail has been sent from an external source **
The problem is sudo.

Once you run sudo, you are root and have a completely different environment. My guess is that the newer version of gcc is installed in a non-standard location. If that's the case, you may need a few more options.

Try running cmake and make without sudo, then, if needed, run "sudo make install" to actually do the installation step.

hth...
don

On Mon, Nov 14, 2016 at 5:35 AM via cfe-dev <cfe-dev at lists.llvm.org<mailto:cfe-dev at lists.llvm.org>> wrote:
Hi Serge,

Thanks for the response!

We are using the latest version of gcc (6.2)and python(3.3) but the cmake is picking up the server installed packages only.

Kindly suggest.

Regards,
Chandini

From: Serge Pavlov [mailto:sepavloff at gmail.com<mailto:sepavloff at gmail.com>]
Sent: Monday, November 14, 2016 6:45 PM
To: Chandini Sainu (GIS) <chandini.sainu at wipro.com<mailto:chandini.sainu at wipro.com>>
Cc: dwiberg at gmail.com<mailto:dwiberg at gmail.com>; Joerg Sonnenberger <joerg at bec.de<mailto:joerg at bec.de>>; Clang Dev <cfe-dev at lists.llvm.org<mailto:cfe-dev at lists.llvm.org>>; Suryakanta Sahoo (GIS) <suryakanta.sahoo at wipro.com<mailto:suryakanta.sahoo at wipro.com>>

Subject: Re: [cfe-dev] clang 3.9 installation


** This mail has been sent from an external source **
According to the attached files you are using too old gcc (4.4.6 but 4.8+ is needed) and python (2.6 but 2.7+ is needed).

Thanks,
--Serge

2016-11-14 14:50 GMT+07:00 via cfe-dev <cfe-dev at lists.llvm.org<mailto:cfe-dev at lists.llvm.org>>:
Hi David/Joerg,

Below are requested details.

Your quick support is highly appreciated!

Thanks,
Chandini

-----Original Message-----
From: David Wiberg [mailto:dwiberg at gmail.com<mailto:dwiberg at gmail.com>]
Sent: Monday, November 14, 2016 2:39 AM
To: Suryakanta Sahoo (GIS) <suryakanta.sahoo at wipro.com<mailto:suryakanta.sahoo at wipro.com>>
Cc: cfe-dev at lists.llvm.org<mailto:cfe-dev at lists.llvm.org>; Chandini Sainu (GIS) <chandini.sainu at wipro.com<mailto:chandini.sainu at wipro.com>>
Subject: Re: [cfe-dev] clang 3.9 installation

** This mail has been sent from an external source **

Hi,

You will need to provide more information for anyone to be able to help you.

For example:
- Which Linux distribution/version are you running? → RHEL6.7
- What steps have you performed?

GCC version → gcc_6_2_0
Cmake version → cmake-3_6_2
Python version → python3_3_2

Command being used →  sudo cmake -DCMAKE_INSTALL_PREFIX=/applics/platform/clang_3_9_0 -DLLVM_ENABLE_FFI=ON -DCMAKE_BUILD_TYPE=Release -DLLVM_BUILD_LLVM_DYLIB=ON -DLLVM_TARGETS_TO_BUILD="host;AMDGPU" -Wno-dev ..

- What error messages do you receive?

Errors attached.

Best regards
David

2016-11-11 0:15 GMT+01:00 via cfe-dev <cfe-dev at lists.llvm.org<mailto:cfe-dev at lists.llvm.org>>:
> Hi Team,
>
>
>
> We are trying to install clang 3.9 in Linux Server. We tried
> installing using the steps available in the website, we are getting errors.
>
>
>
> Could you please assist us with the procedure to do so.
>
>
>
>
>
> Thanks & Regards,
>
> Suryakanta Sahoo
>
> Project Engineer,
>
> Wipro Technology Services Ltd
>
>
>
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