Unknown CMake command "GR_PYTHON_CHECK_MODULE" - Installing Multi-rtl

[evaristesome]

Given the following configuration: Ubuntu 20.04, Gnuradio 3.8, gr-gsm,gr-osmosdr,etc.
We attempted to install "multi-rtl" that resulted to the following:
CMake Error at /usr/lib/x86_64-linux-gnu/cmake/gnuradio/FindTHRIFT.cmake:70 (GR_PYTHON_CHECK_MODULE):
Unknown CMake command "GR_PYTHON_CHECK_MODULE".
Call Stack (most recent call first):
/usr/share/cmake-3.16/Modules/CMakeFindDependencyMacro.cmake:47 (find_package)
/usr/lib/x86_64-linux-gnu/cmake/gnuradio/gnuradio-runtimeConfig.cmake:24 (find_dependency)
/usr/lib/x86_64-linux-gnu/cmake/gnuradio/GnuradioConfig.cmake:54 (include)
CMakeLists.txt:111 (find_package)
-- Configuring incomplete, errors occurred!

We tirelessly went through the different configuration files, but still don't sense what we are missing. Multi-rtl works fine on Ubuntu 2016, Gnuradio 3.7. Is there something to update in the CmakeList files? It should work!
Any form of help, suggestions will be highly appreciated.
E.

[velichkov]

Hi @evso9816,

Given the following configuration: Ubuntu 20.04, Gnuradio 3.8, gr-gsm,gr-osmosdr,etc.

Unknown CMake command "GR_PYTHON_CHECK_MODULE".

The multi-rtl has not yet been ported to gnuradio 3.8. You can try the master branch from @antoniprzybylik fork.

[evaristesome]

Yes, that works! Thank you.

…

On Fri, Dec 10, 2021 at 12:39 AM Vasil Velichkov ***@***.***> wrote: Hi @evso9816 <https://github.com/evso9816>, Given the following configuration: Ubuntu 20.04, Gnuradio 3.8, gr-gsm,gr-osmosdr,etc. Unknown CMake command "GR_PYTHON_CHECK_MODULE". The multi-rtl has not yet been ported to gnuradio 3.8. You can try the master branch from @antoniprzybylik <https://github.com/antoniprzybylik> fork <https://github.com/antoniprzybylik/multi-rtl/tree/master>. — You are receiving this because you were mentioned. Reply to this email directly, view it on GitHub <#6 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AISQHT7ND5IGLFHYH7Y3WW3UQGVCXANCNFSM5JTEYBJA> . Triage notifications on the go with GitHub Mobile for iOS <https://apps.apple.com/app/apple-store/id1477376905?ct=notification-email&mt=8&pt=524675> or Android <https://play.google.com/store/apps/details?id=com.github.android&referrer=utm_campaign%3Dnotification-email%26utm_medium%3Demail%26utm_source%3Dgithub>.

[kmihaylov]

Unfortunately I have the exact same error on my Devuan Chimaera. I'm using @antoniprzybylik's fork.

-- Checking for module 'thrift'
--   Found thrift, version 0.13.0
CMake Error at /usr/lib/x86_64-linux-gnu/cmake/gnuradio/FindTHRIFT.cmake:70 (GR_PYTHON_CHECK_MODULE):
  Unknown CMake command "GR_PYTHON_CHECK_MODULE".
Call Stack (most recent call first):
  /usr/share/cmake-3.22/Modules/CMakeFindDependencyMacro.cmake:47 (find_package)
  /usr/lib/x86_64-linux-gnu/cmake/gnuradio/gnuradio-runtimeConfig.cmake:24 (find_dependency)
  /usr/lib/x86_64-linux-gnu/cmake/gnuradio/GnuradioConfig.cmake:54 (include)
  CMakeLists.txt:112 (find_package)

My system has python3.

[evaristesome]

Which GR version is currently used? Also, go to Build folder and check the Temporary/error file (not sure of the path). It will give a better indication of what's going wrong.

…

On Sun, Jan 9, 2022 at 10:52 AM kmihaylov ***@***.***> wrote: Unfortunately I have the exact same error on my Devuan Chimaera. I'm using @antoniprzybylik <https://github.com/antoniprzybylik>'s fork. -- Checking for module 'thrift' -- Found thrift, version 0.13.0 CMake Error at /usr/lib/x86_64-linux-gnu/cmake/gnuradio/FindTHRIFT.cmake:70 (GR_PYTHON_CHECK_MODULE): Unknown CMake command "GR_PYTHON_CHECK_MODULE". Call Stack (most recent call first): /usr/share/cmake-3.22/Modules/CMakeFindDependencyMacro.cmake:47 (find_package) /usr/lib/x86_64-linux-gnu/cmake/gnuradio/gnuradio-runtimeConfig.cmake:24 (find_dependency) /usr/lib/x86_64-linux-gnu/cmake/gnuradio/GnuradioConfig.cmake:54 (include) CMakeLists.txt:112 (find_package) My system has python3. — Reply to this email directly, view it on GitHub <#6 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AISQHTZHD4OCPF3CMUJNDOTUVHDORANCNFSM5JTEYBJA> . Triage notifications on the go with GitHub Mobile for iOS <https://apps.apple.com/app/apple-store/id1477376905?ct=notification-email&mt=8&pt=524675> or Android <https://play.google.com/store/apps/details?id=com.github.android&referrer=utm_campaign%3Dnotification-email%26utm_medium%3Demail%26utm_source%3Dgithub>. You are receiving this because you were mentioned.Message ID: ***@***.***>

[kmihaylov]

Hello @evso9816,
GR is 3.8.2.0 (Python 3.9.2)

As I understand the cmake logs don't necessarily give useful information, but here they are:

CMakeError.log

Performing C SOURCE FILE Test CMAKE_HAVE_LIBC_PTHREAD failed with the following output:
Change Dir: /tmp/multi-rtl/build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/gmake -f Makefile cmTC_b2e6a/fast && /usr/bin/gmake  -f CMakeFiles/cmTC_b2e6a.dir/build.make CMakeFiles/cmTC_b2e6a.dir/build
gmake[1]: Entering directory '/tmp/multi-rtl/build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_b2e6a.dir/src.c.o
/usr/bin/cc -DCMAKE_HAVE_LIBC_PTHREAD   -o CMakeFiles/cmTC_b2e6a.dir/src.c.o -c /tmp/multi-rtl/build/CMakeFiles/CMakeTmp/src.c
Linking C executable cmTC_b2e6a
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_b2e6a.dir/link.txt --verbose=1
/usr/bin/cc -rdynamic CMakeFiles/cmTC_b2e6a.dir/src.c.o -o cmTC_b2e6a 
/usr/bin/ld: CMakeFiles/cmTC_b2e6a.dir/src.c.o: in function `main':
src.c:(.text+0x2f): undefined reference to `pthread_create'
/usr/bin/ld: src.c:(.text+0x3b): undefined reference to `pthread_detach'
/usr/bin/ld: src.c:(.text+0x47): undefined reference to `pthread_cancel'
/usr/bin/ld: src.c:(.text+0x58): undefined reference to `pthread_join'
collect2: error: ld returned 1 exit status
gmake[1]: *** [CMakeFiles/cmTC_b2e6a.dir/build.make:99: cmTC_b2e6a] Error 1
gmake[1]: Leaving directory '/tmp/multi-rtl/build/CMakeFiles/CMakeTmp'
gmake: *** [Makefile:127: cmTC_b2e6a/fast] Error 2


Source file was:
#include <pthread.h>

static void* test_func(void* data)
{
  return data;
}

int main(void)
{
  pthread_t thread;
  pthread_create(&thread, NULL, test_func, NULL);
  pthread_detach(thread);
  pthread_cancel(thread);
  pthread_join(thread, NULL);
  pthread_atfork(NULL, NULL, NULL);
  pthread_exit(NULL);

  return 0;
}

Determining if the function pthread_create exists in the pthreads failed with the following output:
Change Dir: /tmp/multi-rtl/build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/gmake -f Makefile cmTC_ef022/fast && /usr/bin/gmake  -f CMakeFiles/cmTC_ef022.dir/build.make CMakeFiles/cmTC_ef022.dir/build
gmake[1]: Entering directory '/tmp/multi-rtl/build/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_ef022.dir/CheckFunctionExists.c.o
/usr/bin/cc   -DCHECK_FUNCTION_EXISTS=pthread_create -o CMakeFiles/cmTC_ef022.dir/CheckFunctionExists.c.o -c /usr/share/cmake-3.22/Modules/CheckFunctionExists.c
Linking C executable cmTC_ef022
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_ef022.dir/link.txt --verbose=1
/usr/bin/cc  -DCHECK_FUNCTION_EXISTS=pthread_create -rdynamic CMakeFiles/cmTC_ef022.dir/CheckFunctionExists.c.o -o cmTC_ef022  -lpthreads 
/usr/bin/ld: cannot find -lpthreads
collect2: error: ld returned 1 exit status
gmake[1]: *** [CMakeFiles/cmTC_ef022.dir/build.make:99: cmTC_ef022] Error 1
gmake[1]: Leaving directory '/tmp/multi-rtl/build/CMakeFiles/CMakeTmp'
gmake: *** [Makefile:127: cmTC_ef022/fast] Error 2

CMakeOutput.txt

The system is: Linux - 5.10.0-10-amd64 - x86_64
Compiling the CXX compiler identification source file "CMakeCXXCompilerId.cpp" succeeded.
Compiler: /usr/bin/c++ 
Build flags: 
Id flags:  

The output was:
0


Compilation of the CXX compiler identification source "CMakeCXXCompilerId.cpp" produced "a.out"

The CXX compiler identification is GNU, found in "/tmp/multi-rtl/build/CMakeFiles/3.22.1/CompilerIdCXX/a.out"

Compiling the C compiler identification source file "CMakeCCompilerId.c" succeeded.
Compiler: /usr/bin/cc 
Build flags: 
Id flags:  

The output was:
0


Compilation of the C compiler identification source "CMakeCCompilerId.c" produced "a.out"

The C compiler identification is GNU, found in "/tmp/multi-rtl/build/CMakeFiles/3.22.1/CompilerIdC/a.out"

Detecting CXX compiler ABI info compiled with the following output:
Change Dir: /tmp/multi-rtl/build/CMakeFiles/CMakeTmp

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gmake[1]: Entering directory '/tmp/multi-rtl/build/CMakeFiles/CMakeTmp'
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[velichkov]

Hi @kmihaylov,

Hello @evso9816, GR is 3.8.2.0 (Python 3.9.2)

As I understand the cmake logs don't necessarily give useful information, but here they are:

That's correct, I wouldn't spend much time reading the cmake's log files.

Try the following, open the top level CMakeLists.txt and and change the cmake_minimum_required version to 3.8

diff --git a/CMakeLists.txt b/CMakeLists.txt
index d6fd105..830816b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -20,7 +20,7 @@
 ########################################################################
 # Project setup
 ########################################################################
-cmake_minimum_required(VERSION 2.6)
+cmake_minimum_required(VERSION 3.8)
 project(multi_rtl CXX C)
 enable_testing()
 
``

[kmihaylov]

@velichkov Thank you! Works pretty well. I now have Multi RTL in GR!
For the record I installed cmake from devuan-backports and my version is 3.22.1. This was yesterday so probably Multi-RTL would be build with the original cmake which was 3.18.
Thanks again!

[velichkov]

Thank you! Works pretty well. I now have Multi RTL in GR!

You are welcome!

For the record I installed cmake from devuan-backports and my version is 3.22.1. This was yesterday so probably Multi-RTL would be build with the original cmake which was 3.18.

This variable specifies the minimum required version and not the version that is going to be used. It's going to be built with whatever version you have at the moment as long as it is newer or equal to the one specified.