So the Python API not building is unrelated to any of those dependency failures 
as far as I know. 

But I don’t think the Python API is required for RFNOC support. 

Could we see the build log for your gr-Ettus build attempt?

Sent from my iPhone

> On Jun 28, 2021, at 1:55 AM, COURANT Frederique - Contractor 
> <[email protected]> wrote:
> 
> 
> Hello,
>  
> I cannot share my log file but I will share what doesn’t work :
>  
> -- checking for module ‘libgps’
> --            package ‘libgps’ not found
> -- checking for module ‘libgps >= 3.11’
>               Package ‘libgs >= 3.11’ not found
> -- could NOT find LIBGPS (missing: LIBGPS_LIBRARY_LIBGPS_INCLUDE_DIR)
> -- could NOT find LIBERIO (missing: LIBERIO_LIBRARY_LIBERIO_INCLUDE_DIR)
> -- could NOT find dpdk (missing: DPDK_INCLUDE_DIR)
> --
> -- Configuring LIBERIO support…
> --           Dependency ENABLE_LIBUHD = ON
> --           Dependency LIBERIO_FOUND = FALSE
> --           Disabling LIBERIO support.
> --           Override with –DENABLE_LIBERIO=ON/OFF
> …
> -- Configuring GSPD support…
> --           Dependency ENABLE_LIBUHD = ON
> --           Dependency ENABLE_GSPD =
> --           Dependency LIBGPS_FOUND = FALSE
> --           Disabling GSPD support.
> --           Override with –DENABLE_E300=ON/OFF
> …
> -- Configuring E300 support…
> --           Dependency ENABLE_LIBUHD = ON
> --           Disabling E300 support.
> --           Override with –DENABLE_GSPD=ON/OFF
> …
>  
> -- Configuring DPDK support…
> --           Dependency ENABLE_MPMD = ON
> --           Dependency DPDK_FOUND = FALSE
> --           Disabling DPDK support.
> --           Override with –DENABLE_DPDK=ON/OFF
> --
> --
> -- Could NOT find UDEV (missing: UDEV_INCLUDE_DIR_UDEV_LIBS)
> …
> #########################################################
> # UHD Disabled components
> #########################################################
> * LibUHD – Python API
> * LIBERIO
> * GSPD
> * E300
> * DPDK
>  
> I think my problem is with libUHD – Python API but I’m not sure.
>  
> De : Marcus D Leech <[email protected]> 
> Envoyé : vendredi 25 juin 2021 14:37
> À : COURANT Frederique - Contractor 
> <[email protected]>
> Cc : [email protected]; [email protected]
> Objet : Re: [USRP-users] LibUHD - Python API problem (RFNoC not found)
>  
> Could you share the log from CMake? That might tell us why. 
> 
> Sent from my iPhone
>  
> 
> On Jun 25, 2021, at 1:56 AM, COURANT Frederique - Contractor via USRP-users 
> <[email protected]> wrote:
> 
> 
> Hello users,
>  
> When I try to install UHD 3.14.0.0 on RedHat 7.5 system, I can’t enabled 
> components LibUHD – Python API. For GNU Radio’s installation I don’t have 
> problem.
> For the install I have follow this tutorials :
> ·       
> https://files.ettus.com/manual_archive/v3.14.0.0/html/page_build_guide.html#build_instructions_unix
> ·       https://www.gnuradio.org/doc/doxygen-3.7/build_guide.html#dependencies
> I have try to add -DENABLE_PYTHON_API=ON.
>  
> I have also install python3-devel like it is mentioned at this link : USRP 
> Hardware Driver and USRP Manual: Python API (ettus.com)
>  
> If someone has ever had this problem could you explain me how to solve this 
> please, because when I try to build my block I cannot find ettus and after if 
> I try to build gr-ettus I cannot find RFNoC. So I suppose that the problem is 
> LibUHD – Python API but I not sure. When I launch my flowgraph GNU Radio 
> doesn’t recognize Radio, DDC, DUC and my own block that I can’t build.
> My program works on Ubuntu 18.04 system with UHD-3.14.0.0 and GNU Radio 
> 3.7.11.1.
>  
> Thanks for your help.
>  
> Regards.
>  
> Fred
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