.github/workflows/ci.yml: Add cygwin #727
Closed
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Add a CI for testing on Cygwin.
It can be seen in action at https://github.com/mkoeppe/math/actions/runs/1629431113, revealing errors from
BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS
.We encountered this in SageMath when building SciPy 1.7.x on Cygwin. https://trac.sagemath.org/ticket/33080