Merge pull request #118 from SylvainCorlay/update-pybind11

Update to pybind11 2.2

Author: SylvainCorlay

.appveyor.yml

@@ -23,7 +23,7 @@ install:
   - conda update -q conda
   - conda info -a
   - conda install gtest cmake -c conda-forge
-  - conda install xtensor==0.12.0 pytest numpy pybind11==2.1.1 -c conda-forge
+  - conda install xtensor==0.12.1 pytest numpy pybind11==2.2.1 -c conda-forge
   - "set PYTHONHOME=%MINICONDA%"
   - cmake -G "NMake Makefiles" -D CMAKE_INSTALL_PREFIX=%MINICONDA%\\Library -D BUILD_TESTS=ON -D PYTHON_EXECUTABLE=%MINICONDA%\\python.exe .
   - nmake test_xtensor_python

.travis.yml

@@ -95,7 +95,7 @@ install:
     - conda update -q conda
     # Useful for debugging any issues with conda
     - conda info -a
-    - conda install xtensor==0.12.0 pytest numpy pybind11==2.1.1 -c conda-forge
+    - conda install xtensor==0.12.1 pytest numpy pybind11==2.2.1 -c conda-forge
     - conda install cmake gtest -c conda-forge
     - cmake -D BUILD_TESTS=ON -D CMAKE_INSTALL_PREFIX=$HOME/miniconda .
     - make -j2 test_xtensor_python

README.md

@@ -187,15 +187,15 @@ from the `docs` subdirectory.
 
 `xtensor-python` depends on the `xtensor` and `pybind11` libraries
 
-| `xtensor-python`  | `xtensor`  |  `pybind11` |
-|-------------------|------------|-------------|
-| master            |  ^0.12.0   | ^2.1.0      |
-| 0.14.x            |  ^0.12.0   | ^2.1.0      |
-| 0.13.x            |  ^0.11.0   | ^2.1.0      |
-| 0.12.x            |  ^0.10.2   | 2.1.\*      |
-| 0.11.x            |  ^0.10.0   | 2.1.\*      |
-| 0.10.x            |  ^0.9.0    | 2.1.\*      |
-| 0.9.x             |  ^0.8.1    | 2.1.\*      |
+| `xtensor-python` | `xtensor` |  `pybind11`      |
+|------------------|-----------|------------------|
+| master           |  ^0.12.0  | ~2.1.0 or ~2.2.1 |
+| 0.14.x           |  ^0.12.0  | ~2.1.0 or ~2.2.1 |
+| 0.13.x           |  ^0.11.0  | ~2.1.0 or ~2.2.1 |
+| 0.12.x           |  ^0.10.2  | 2.1.\*           |
+| 0.11.x           |  ^0.10.0  | 2.1.\*           |
+| 0.10.x           |  ^0.9.0   | 2.1.\*           |
+| 0.9.x            |  ^0.8.1   | 2.1.\*           |
 
 These dependencies are automatically resolved when using the conda package manager.