cmake: centralize policy configuration in src CMake

Agent-Logs-Url: https://github.com/libusb/hidapi/sessions/0e1de066-e81e-4f84-ae45-dd164803580e

Co-authored-by: Youw <5939659+Youw@users.noreply.github.com>

Author: Copilot

libusb/CMakeLists.txt

@@ -1,12 +1,3 @@
-cmake_minimum_required(VERSION 3.6.3...3.25 FATAL_ERROR)
-
-foreach(HIDAPI_CMAKE_POLICY CMP0156 CMP0179 CMP0181 CMP0200)
-    if(POLICY ${HIDAPI_CMAKE_POLICY})
-        cmake_policy(SET ${HIDAPI_CMAKE_POLICY} NEW)
-    endif()
-endforeach()
-unset(HIDAPI_CMAKE_POLICY)
-
 list(APPEND HIDAPI_PUBLIC_HEADERS "hidapi_libusb.h")
 
 add_library(hidapi_libusb

linux/CMakeLists.txt

@@ -1,12 +1,3 @@
-cmake_minimum_required(VERSION 3.6.3...3.25 FATAL_ERROR)
-
-foreach(HIDAPI_CMAKE_POLICY CMP0156 CMP0179 CMP0181 CMP0200)
-    if(POLICY ${HIDAPI_CMAKE_POLICY})
-        cmake_policy(SET ${HIDAPI_CMAKE_POLICY} NEW)
-    endif()
-endforeach()
-unset(HIDAPI_CMAKE_POLICY)
-
 add_library(hidapi_hidraw
     ${HIDAPI_PUBLIC_HEADERS}
     hid.c

mac/CMakeLists.txt

@@ -1,12 +1,3 @@
-cmake_minimum_required(VERSION 3.4.3...3.25 FATAL_ERROR)
-
-foreach(HIDAPI_CMAKE_POLICY CMP0156 CMP0179 CMP0181 CMP0200)
-    if(POLICY ${HIDAPI_CMAKE_POLICY})
-        cmake_policy(SET ${HIDAPI_CMAKE_POLICY} NEW)
-    endif()
-endforeach()
-unset(HIDAPI_CMAKE_POLICY)
-
 list(APPEND HIDAPI_PUBLIC_HEADERS "hidapi_darwin.h")
 
 add_library(hidapi_darwin

netbsd/CMakeLists.txt

@@ -1,12 +1,3 @@
-cmake_minimum_required(VERSION 3.6.3...3.25 FATAL_ERROR)
-
-foreach(HIDAPI_CMAKE_POLICY CMP0156 CMP0179 CMP0181 CMP0200)
-    if(POLICY ${HIDAPI_CMAKE_POLICY})
-        cmake_policy(SET ${HIDAPI_CMAKE_POLICY} NEW)
-    endif()
-endforeach()
-unset(HIDAPI_CMAKE_POLICY)
-
 add_library(hidapi_netbsd
     ${HIDAPI_PUBLIC_HEADERS}
     hid.c

src/CMakeLists.txt

@@ -26,6 +26,13 @@ project(hidapi VERSION "${VERSION}" LANGUAGES C)
 
 # Defaults and required options
 
+foreach(HIDAPI_CMAKE_POLICY CMP0156 CMP0179 CMP0181 CMP0200)
+    if(POLICY ${HIDAPI_CMAKE_POLICY})
+        cmake_policy(SET ${HIDAPI_CMAKE_POLICY} NEW)
+    endif()
+endforeach()
+unset(HIDAPI_CMAKE_POLICY)
+
 if(NOT DEFINED HIDAPI_WITH_TESTS)
     set(HIDAPI_WITH_TESTS OFF)
 endif()