🔧 Update min cmake version to 3.1

.gitignore

@@ -14,3 +14,5 @@ test/*/cmake_output
 
 # generated by doc/extract_rst.py
 doc/module-reference.rst
+
+.idea/

doc/developers/configuration.rst

@@ -10,7 +10,7 @@ below::
 
   name: numgrid
 
-  min_cmake_version: 2.8
+  min_cmake_version: 3.1
 
   default_build_type: release
 
@@ -75,7 +75,7 @@ Minimal example
 As a minimal example we take an ``autocmake.yml`` which only contains::
 
   name: minime
-  min_cmake_version: 2.8
+  min_cmake_version: 3.1
   language: C
 
 If you don't have the ``update.py`` script yet, you need to fetch it from the web::

doc/developers/example.rst

@@ -54,7 +54,7 @@ Now we edit ``cmake/autocmake.yml`` to look like this::
 
   name: hello
 
-  min_cmake_version: 2.8
+  min_cmake_version: 3.1
 
   language:
     - Fortran

doc/developers/faq.rst

@@ -73,7 +73,7 @@ Yes you can do that in ``autocmake.yml``. Here we for instance change the name t
   :emphasize-lines: 4
 
   name: myproject
-  min_cmake_version: 2.8
+  min_cmake_version: 3.1
   default_build_type: release
   setup_script: configure
   language:

example/autocmake.yml

@@ -4,4 +4,4 @@
 
 name: myproject
 
-min_cmake_version: 2.8
+min_cmake_version: 3.1

test/cxx/cmake/autocmake.yml

@@ -1,5 +1,5 @@
 name: example
-min_cmake_version: 2.8
+min_cmake_version: 3.1
 language: CXX
 default_build_type: debug
 modules:

test/cxx_accelerate/cmake/autocmake.yml

@@ -1,5 +1,5 @@
 name: example
-min_cmake_version: 2.8
+min_cmake_version: 3.1
 language:
 - CXX
 - C

test/cxx_cblas/cmake/autocmake.yml

@@ -1,5 +1,5 @@
 name: example
-min_cmake_version: 2.8
+min_cmake_version: 3.1
 language:
   - C
   - CXX

test/extra_cmake_options/cmake/autocmake.yml

@@ -1,5 +1,5 @@
 name: example
-min_cmake_version: 2.8
+min_cmake_version: 3.1
 language: CXX
 default_build_type: debug
 modules:

test/fc/cmake/autocmake.yml

@@ -1,5 +1,5 @@
 name: example
-min_cmake_version: 2.8
+min_cmake_version: 3.1
 language: Fortran
 default_build_type: debug
 modules:

test/fc_blas/cmake/autocmake.yml

@@ -1,5 +1,5 @@
 name: example
-min_cmake_version: 2.8
+min_cmake_version: 3.1
 language:
   - Fortran
   - C

test/fc_git_info/cmake/autocmake.yml

@@ -1,5 +1,5 @@
 name: example
-min_cmake_version: 2.8
+min_cmake_version: 3.1
 language: Fortran
 default_build_type: debug
 modules:

test/fc_int64/cmake/autocmake.yml

@@ -1,5 +1,5 @@
 name: example
-min_cmake_version: 2.8
+min_cmake_version: 3.1
 language: Fortran
 default_build_type: debug
 modules:

test/fc_lapack/cmake/autocmake.yml

@@ -1,5 +1,5 @@
 name: example
-min_cmake_version: 2.8
+min_cmake_version: 3.1
 language:
   - Fortran
   - C

test/fc_omp/cmake/autocmake.yml

@@ -1,5 +1,5 @@
 name: example
-min_cmake_version: 2.8
+min_cmake_version: 3.1
 language: Fortran
 default_build_type: debug
 modules:

test/python_interpreter/cmake/autocmake.yml

@@ -1,5 +1,5 @@
 name: example
-min_cmake_version: 2.8
+min_cmake_version: 3.1
 language: CXX
 default_build_type: debug
 modules:

test/python_interpreter_custom/cmake/autocmake.yml

@@ -1,5 +1,5 @@
 name: example
-min_cmake_version: 2.8
+min_cmake_version: 3.1
 language:
   - CXX
 default_build_type: debug

test/python_libs/cmake/autocmake.yml

@@ -1,5 +1,5 @@
 name: example
-min_cmake_version: 2.8
+min_cmake_version: 3.1
 language: CXX
 default_build_type: debug
 modules:

test/python_libs_custom/cmake/autocmake.yml

@@ -1,5 +1,5 @@
 name: example
-min_cmake_version: 2.8
+min_cmake_version: 3.1
 language: CXX
 default_build_type: debug
 modules: