Use CMake>3.16 RPATh behaviour

Author: AntoinePrv

CMakeLists.txt

@@ -1,9 +1,4 @@
-cmake_minimum_required(VERSION 3.14)
-
-# RPATH escaping (only in old CMake versions)
-if (CMAKE_VERSION VERSION_LESS "3.24.0")
-	cmake_policy(SET CMP0095 OLD)
-endif()
+cmake_minimum_required(VERSION 3.16)
 
 # Avoid warning about DOWNLOAD_EXTRACT_TIMESTAMP in CMake 3.24:
 if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.24.0")

setup.py

@@ -55,7 +55,7 @@ def get_cmake_in_package_install_args() -> List[str]:
     """Return default installation settings for installing libecole in the package."""
     system = platform.system()
     if system == "Linux":
-        origin = r"\${ORIGIN}"
+        origin = r"${ORIGIN}"
     elif system == "Darwin":
         origin = "@loader_path"
     else: