invalid development target

Asked by Jian Tianyi

when I install Delphes, have this problem:

clang: error: invalid deployment target for -stdlib=libc++ (requires OS X 10.7 or later)
make: *** [libDelphesNoFastJet.dylib] Error 1
Error detected during the compilation. Please check the compilation error and run make manually.

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Jian Tianyi (jane1227) said :
#1

but I can install pythia8 successfully

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Jian Tianyi (jane1227) said :
#2

and when I launch my process, the error shows:
INFO: Running Systematics computation
Command "generate_events run_01" interrupted with error:
RuntimeError : Info file not found for PDF set 'NNPDF23_lo_as_0130_qed'
Please report this bug on https://bugs.launchpad.net/mg5amcnlo
More information is found in '/Users/jiantianyi/MY_FIRST_MG5_RUN/run_01_tag_1_debug.log'.
Please attach this file to your report.
INFO: storing files of previous run
INFO: Done
INFO:
quit
INFO:

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Olivier Mattelaer (olivier-mattelaer) said :
#3

which version of Mg5aMC are you using?

Cheers,

Olivier

> On 26 Jun 2021, at 10:20, Jian Tianyi <email address hidden> wrote:
>
> New question #697736 on MadGraph5_aMC@NLO:
> https://answers.launchpad.net/mg5amcnlo/+question/697736
>
> when I install Delphes, have this problem:
>
> clang: error: invalid deployment target for -stdlib=libc++ (requires OS X 10.7 or later)
> make: *** [libDelphesNoFastJet.dylib] Error 1
> Error detected during the compilation. Please check the compilation error and run make manually.
>
>
> --
> You received this question notification because you are an answer
> contact for MadGraph5_aMC@NLO.

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Jian Tianyi (jane1227) said :
#4

v2_9_4

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Olivier Mattelaer (olivier-mattelaer) said :
#5

Sorry for the long delay, I was in holiday.

For Delphes, on which os are you trying? on Catelina, I do not have such issue.
On Big Sur I did not had yet the opportunity to test since Delphes was not yet m1 chip compatible.
they have fix that one or two week ago but I need to get back to my office to be able to check.

For the pdf issue, if you use your own version of lhapdf, you can indeed face that error since our default lhapdf installer install that pdf set by default. An easy fix is to add such pdf set in your lhapdf installation.

Cheers,

Olivier

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