Rework the Sphinx find module

* Make sphinx_rtd_theme a find module component to avoid hard-wiring it
  into the module and allowing to report the theme in case it is missing
  using the standard CMake package mechanism.
* Adjust find module cache variables names case to match the find module
* Also report sphinx-build version for completeness.
* Invoke the find module only once. Calling find_package on the same
  module is not needed.

Change-Id: I9d1bf0fcc0d44b9b37e624128812f348c5442ada
3 files changed
tree: bb03de1764ca2fce6ac1cfa5e55479a048e9f400
  1. .github/
  2. bazel/
  3. cmake/
  4. config/
  5. data/
  6. docs/
  7. examples/
  8. include/
  9. internal/
  10. scripts/
  11. .clang-format
  12. .gitignore
  13. BUILD
  14. CITATION.cff
  15. CMakeLists.txt
  18. package.xml

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Ceres Solver

Ceres Solver is an open source C++ library for modeling and solving large, complicated optimization problems. It is a feature rich, mature and performant library which has been used in production at Google since 2010. Ceres Solver can solve two kinds of problems.

  1. Non-linear Least Squares problems with bounds constraints.
  2. General unconstrained optimization problems.

Please see for more information.