Undeclared `EIGEN_STL_UMAP` error when building from source

[nnop]

Undeclared `EIGEN_STL_UMAP` error when building from source

[ducha-aiki]

It is the recent colmap commit, which breaks the pycolmap...

[nnop]

Thanks for the hint.
I found It's colmap PR#1947 that Remove unnecessary custom Eigen aligned allocator macros breaks the pycolmap compilation.

[joshuaoreilly]

Until that PR goes through, my workaround was to checkout and build with commit 9eddf2e4; release 3.8 is too old and suffers from Issue 1742, and the current dev branch is waiting on colmap PR#1947, but the linked commit is new enough to avoid the former and old enough to avoid the latter.