Delete old PIE setting

CMakeLists.txt

@@ -110,11 +110,6 @@ set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/packaging")
 # Use "-fPIC" / "-fPIE" for all targets by default, including static libs
 set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 
-# CMake doesn't add "-pie" by default for executables (CMake issue #14983)
-if(NOT MSVC OR NOT APPLE)
-  set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -pie")
-endif()
-
 set(CMAKE_CXX_VISIBILITY_PRESET hidden)
 set(CMAKE_VISIBILITY_INLINES_HIDDEN 1)
 
@@ -123,7 +118,7 @@ if(CMAKE_BUILD_TYPE EQUAL "Debug")
   set(LLVM_REQUIRES_RTTI 1)
 endif()
 
-# Process dependencies Find MPI if required
+# Process dependencies: Find MPI if required
 if(MPI)
   find_package(MPI 2.0 REQUIRED)
   message(