Require pybind11 2.6 and update changelog.

Author: bluescarni

CMakeLists.txt

@@ -172,6 +172,9 @@ endif()
 
 # pybind11.
 find_package(pybind11 REQUIRED)
+if(${pybind11_VERSION} VERSION_LESS "2.6")
+    message(FATAL_ERROR "pybind11 >= 2.6 is required, but version ${pybind11_VERSION} was found instead.")
+endif()
 
 # Configure the sphinx config file.
 configure_file("${CMAKE_CURRENT_SOURCE_DIR}/doc/conf.py.in" "${CMAKE_CURRENT_SOURCE_DIR}/doc/conf.py" @ONLY)

doc/changelog.rst

@@ -3,6 +3,24 @@
 Changelog
 =========
 
+2.16.1 (unreleased)
+-------------------
+
+Changes
+~~~~~~~
+
+- pygmo now requires pybind11 >= 2.6 when compiling
+  from source
+  (`#66 <https://github.com/esa/pygmo2/pull/66>`__).
+
+Fix
+~~~
+
+- Various doc and build system fixes
+  (`#66 <https://github.com/esa/pygmo2/pull/66>`__,
+  `#60 <https://github.com/esa/pygmo2/pull/60>`__).
+
+
 2.16.0 (2020-09-25)
 -------------------
 

doc/install.rst

@@ -123,7 +123,7 @@ In order to install pygmo from source, you will need:
 * a C++17 capable compiler (recent versions of GCC,
   Clang or MSVC should do),
 * a `Python <https://www.python.org/>`__ installation,
-* `pybind11 <https://github.com/pybind/pybind11>`__,
+* `pybind11 <https://github.com/pybind/pybind11>`__ (version >= 2.6),
 * the `pagmo C++ library <https://esa.github.io/pagmo2/>`__,
 * the `Boost libraries <https://www.boost.org/>`__,
 * `CMake <https://cmake.org/>`__, version 3.8 or later.