Update cmake_minimum_required to 3.14

Recent CMake 4.1 warns that <3.10 support will be deprecated. Update minimum version and simplify some parts of project.

Author: winterheart

CMakeLists.txt

@@ -1,13 +1,13 @@
-cmake_minimum_required(VERSION 3.7)
-
-if(POLICY CMP0092)
-  cmake_policy(SET CMP0092 NEW)
-endif()
+cmake_minimum_required(VERSION 3.14)
 
 project(cmark
   LANGUAGES C CXX
   VERSION 0.31.1)
 
+set(CMAKE_C_STANDARD 99)
+set(CMAKE_C_STANDARD_REQUIRED YES)
+set(CMAKE_C_EXTENSIONS NO)
+
 if(CMAKE_BUILD_TYPE STREQUAL Asan)
   list(APPEND CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake/modules)
   include(FindAsan)
@@ -54,12 +54,6 @@ option(CMARK_LIB_FUZZER "Build libFuzzer fuzzing harness" OFF)
 option(BUILD_SHARED_LIBS "Build the CMark library as shared"
   ${_CMARK_BUILD_SHARED_LIBS_DEFAULT})
 
-if(NOT MSVC)
-  set(CMAKE_C_STANDARD 99)
-  set(CMAKE_C_STANDARD_REQUIRED YES)
-  set(CMAKE_C_EXTENSIONS NO)
-endif()
-
 # -fvisibility=hidden
 set(CMAKE_C_VISIBILITY_PRESET hidden)
 set(CMAKE_VISIBILITY_INLINES_HIDDEN 1)

test/CMakeLists.txt

@@ -9,15 +9,7 @@ else()
   set(PYTHON_REQUIRED)
 endif()
 
-if(CMAKE_VERSION VERSION_GREATER_EQUAL 3.12)
-  find_package(Python3 ${PYTHON_REQUIRED} COMPONENTS Interpreter)
-else()
-  find_package(PythonInterp 3 ${PYTHON_REQUIRED})
-  set(Python3_Interpreter_FOUND ${PYTHONINTERP_FOUND})
-  add_executable(Python3::Interpreter IMPORTED)
-  set_target_properties(Python3::Interpreter PROPERTIES
-    IMPORTED_LOCATION ${PYTHON_EXECUTABLE})
-endif()
+find_package(Python3 ${PYTHON_REQUIRED} COMPONENTS Interpreter)
 
 IF (Python3_Interpreter_FOUND)