Update minimal CMake version to 1.19

This simplifies supporting Python package build script and works for
Apple Silicon.

.github/workflows/ci-auto.yml

@@ -14,4 +14,4 @@ jobs:
     with:
       python-version: "3.7"
       os: "ubuntu-20.04"
-      cmake-version: "3.16.x"
+      cmake-version: "3.19.x"

.github/workflows/ci-manual.yml

@@ -21,7 +21,7 @@ on:
       cmake-version:
         description: 'JSON array of CMake versions to be checked'
         required: true
-        default: "[\"3.15.x\"]"
+        default: "[\"3.19.x\"]"
         type: string
 
 jobs:

.github/workflows/common.yml

@@ -21,7 +21,7 @@ on:
         type: string
       cmake-version:
         description: "CMake version to use"
-        default: "3.16.x"
+        default: "3.19.x"
         required: false
         type: string
 

.github/workflows/minimal.yml

@@ -54,7 +54,7 @@ jobs:
       - name: Install CMake
         uses: jwlawson/[email protected]
         with:
-          cmake-version: "3.16.x"
+          cmake-version: "3.19.x"
 
       - name: Install Conan
         uses: turtlebrowser/[email protected]

CMakeLists.txt

@@ -1,5 +1,5 @@
 # Minimal version supported by hyperonc
-cmake_minimum_required(VERSION 3.15)
+cmake_minimum_required(VERSION 3.19)
 
 project(hyperon)
 

README.md

@@ -80,7 +80,7 @@ Rust (see the Notes at the installation page).
   * Python3 and Python3-dev (3.7 or later)
   * Pip (23.1.2 or later)
   * GCC (7.5 or later)
-  * CMake (3.15 or later)
+  * CMake (3.19 or later)
 
 * Install cbindgen:
 ```

c/CMakeLists.txt

@@ -1,5 +1,5 @@
 # Minimal version which allows building dependencies from sources
-cmake_minimum_required(VERSION 3.15)
+cmake_minimum_required(VERSION 3.19)
 project(hyperonc)
 
 enable_testing()
@@ -9,7 +9,7 @@ add_custom_target(check COMMAND ${CMAKE_CTEST_COMMAND} --output-on-failure)
 execute_process(
     # --build is required to build dependencies from source under cibuildwheel
     # environment
-    COMMAND cmake -E env CC= CXX= conan install --build -- ${CMAKE_CURRENT_SOURCE_DIR}
+    COMMAND cmake -E env CC= CXX= conan install --build -pr:b default -pr:h default -- ${CMAKE_CURRENT_SOURCE_DIR}
     WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
 include(${CMAKE_CURRENT_BINARY_DIR}/conanbuildinfo.cmake)
 conan_basic_setup(TARGETS)

python/CMakeLists.txt

@@ -1,5 +1,4 @@
-# version supported by Ubuntu 18.04
-cmake_minimum_required(VERSION 3.10.2)
+cmake_minimum_required(VERSION 3.19)
 project(hyperonpy)
 
 enable_testing()
@@ -11,31 +10,14 @@ if (POLICY CMP0025)
 endif ()
 set(CMAKE_CXX_STANDARD 11)
 
-if (${CMAKE_VERSION} GREATER_EQUAL "3.12")
-    # The default value ("FIRST") prefers the installation with the highest
-    # version. "ONLY" sticks to a virtualenv even when its version is smaller
-    # which is usually expected by an user.
-    if (NOT DEFINED Python3_FIND_VIRTUALENV)
-        set(Python3_FIND_VIRTUALENV "ONLY")
-    endif()
-    if (${CMAKE_VERSION} GREATER_EQUAL "3.18")
-        # Development.Embed is not supported by cibuildwheel environment
-        find_package(Python3 3.7 REQUIRED COMPONENTS Interpreter Development.Module)
-    else()
-        find_package(Python3 3.7 REQUIRED COMPONENTS Interpreter Development)
-    endif()
-else() # support Ubuntu 18.04
-    # pybind11 config looks for Python path again when deprecated PythonInterp
-    # and PythonLibs packages are used. It should find the same version though
-    # because PYTHON_EXECUTABLE is already set.
-    find_package(PythonInterp 3.7 REQUIRED)
-    find_package(PythonLibs 3.7 REQUIRED)
-    # Python installation path should be modified via Python environment.
-    # Following way of getting paths seems to be working (for Ubuntu as well).
-    execute_process(COMMAND ${PYTHON_EXECUTABLE} -c "import sysconfig; print(sysconfig.get_path('platlib'), end='')" OUTPUT_VARIABLE Python3_SITEARCH)
-    execute_process(COMMAND ${PYTHON_EXECUTABLE} -c "import sysconfig; print(sysconfig.get_path('purelib'), end='')" OUTPUT_VARIABLE Python3_SITELIB)
-    set(Python3_EXECUTABLE ${PYTHON_EXECUTABLE})
+# The default value ("FIRST") prefers the installation with the highest
+# version. "ONLY" sticks to a virtualenv even when its version is smaller
+# which is usually expected by an user.
+if (NOT DEFINED Python3_FIND_VIRTUALENV)
+    set(Python3_FIND_VIRTUALENV "ONLY")
 endif()
+# Development.Embed is not supported by cibuildwheel environment
+find_package(Python3 3.7 REQUIRED COMPONENTS Interpreter Development.Module)
 message(STATUS "Python native modules installation path (Python3_SITEARCH): ${Python3_SITEARCH}")
 message(STATUS "Python modules installation path (Python3_SITELIB): ${Python3_SITELIB}")