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Fix conda packaging: Python 3.14 ABI and version solver preference #76

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Fix conda packaging: Python 3.14 ABI and version solver preference #76

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0b559f1
Fix conda Python 3.14 build using free-threaded variant on Linux
kmarchais Feb 11, 2026
f4dab5c
Fix conda Python 3.14 build using free-threaded variant on Linux
kmarchais Feb 11, 2026
c228a7e
Ignore libblas/liblapack run_exports to fix version solver preference
kmarchais Feb 12, 2026
84bdf89
Update meta.yaml
kmarchais Feb 14, 2026
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16 changes: 16 additions & 0 deletions .github/workflows/conda-packaging.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -145,6 +145,14 @@ jobs:
echo "Testing Python import..."
conda run -n test-install python -c "import simcoon; import simcoon._core; print('✓ Import successful')"

- name: Test compatibility with common packages (Unix)
if: runner.os != 'Windows'
shell: bash -l {0}
run: |
echo "=== Testing simcoon + matplotlib coinstallation ==="
conda install -n test-install -y matplotlib -c conda-forge
conda run -n test-install python -c "import simcoon; import matplotlib; print('✓ simcoon + matplotlib compatible')"

- name: Install and verify package structure (Windows)
if: runner.os == 'Windows'
shell: pwsh
Expand Down Expand Up @@ -182,6 +190,14 @@ jobs:
Write-Host "Testing Python import..."
conda run -n test-install python -c "import simcoon; import simcoon._core; print('Import successful')"

- name: Test compatibility with common packages (Windows)
if: runner.os == 'Windows'
shell: pwsh
run: |
Write-Host "=== Testing simcoon + matplotlib coinstallation ==="
conda install -n test-install -y matplotlib -c conda-forge
conda run -n test-install python -c "import simcoon; import matplotlib; print('simcoon + matplotlib compatible')"

- name: Upload to Anaconda
if: inputs.upload
shell: bash -l {0}
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6 changes: 6 additions & 0 deletions conda.recipe/meta.yaml
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Expand Up @@ -13,6 +13,10 @@ build:
script_env:
- CXXFLAGS=-D_LIBCPP_DISABLE_AVAILABILITY
- CONDA_BUILD_LOCAL
ignore_run_exports:
- libblas
- liblapack
- libcblas

requirements:
build:
Expand All @@ -33,6 +37,7 @@ requirements:
- carma
- pybind11
- python
- python_abi {{ python }} *_cp{{ python | replace(".", "") }} # Could be removed when https://github.com/conda/conda-build/issues/5843 is solved
- numpy >=2.0
- libblas
- liblapack
Expand All @@ -52,3 +57,4 @@ test:
imports:
- simcoon
- simcoon._core

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