add systemc 2.3.4

[rechbergera]

Specify library name and version: lib/1.0

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• I've read the contributing guidelines.
• I've used a recent Conan client version close to the currently deployed.
• I've tried at least one configuration locally with the conan-center hook activated.

[CLAassistant]

All committers have signed the CLA.

[uilianries]

@rechbergera thank you for your contribution, please, ask for access request on the issue #4 as documented on Adding Packages. Otherwise, the CI will not build your PR.

[conan-center-bot]

Conan v1 pipeline ✔️

All green in build 4 (003e5e25f6d370adaa6861e1aefe8b670743b261):

• systemc/2.3.3@:
  All packages built successfully! (All logs)

• systemc/2.3.4@:
  All packages built successfully! (All logs)

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Conan v2 pipeline (informative, not required for merge) ❌

Note: Conan v2 builds are informative and they are not required for the PR to be merged.

The v2 pipeline failed. Please, review the errors and note this will be required for pull requests to be merged in the near future.

See details:

Failure in build 4 (003e5e25f6d370adaa6861e1aefe8b670743b261):

• systemc/2.3.3@:
  Error running command conan export --name systemc --version 2.3.3 recipes/systemc/all/conanfile.py:

  ERROR: Error loading conanfile at '/home/conan/w/prod-v2_cci_PR-15534/recipes/systemc/all/conanfile.py': Unable to load conanfile in /home/conan/w/prod-v2_cci_PR-15534/recipes/systemc/all/conanfile.py
    File "<frozen importlib._bootstrap_external>", line 728, in exec_module
    File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
    File "/home/conan/w/prod-v2_cci_PR-15534/recipes/systemc/all/conanfile.py", line 1, in <module>
      from conans import ConanFile, CMake, tools
  ImportError: cannot import name 'ConanFile' from 'conans' (/opt/pyenv/versions/3.7.13/lib/python3.7/site-packages/conans/__init__.py)
  

• systemc/2.3.4@:
  Error running command conan export --name systemc --version 2.3.4 recipes/systemc/all/conanfile.py:

  ERROR: Error loading conanfile at '/home/conan/w/prod-v2_cci_PR-15534/recipes/systemc/all/conanfile.py': Unable to load conanfile in /home/conan/w/prod-v2_cci_PR-15534/recipes/systemc/all/conanfile.py
    File "<frozen importlib._bootstrap_external>", line 728, in exec_module
    File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
    File "/home/conan/w/prod-v2_cci_PR-15534/recipes/systemc/all/conanfile.py", line 1, in <module>
      from conans import ConanFile, CMake, tools
  ImportError: cannot import name 'ConanFile' from 'conans' (/opt/pyenv/versions/3.7.13/lib/python3.7/site-packages/conans/__init__.py)
  

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[github-actions]

Hooks produced the following warnings for commit 003e5e2

systemc/2.3.4

post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library './lib/libsystemc.so' links to system library 'm' but it is not in cpp_info.system_libs.