Simplify ASLR/PIE flags check for macOS

Author: olszomal

cmake/SetCompilerFlags.cmake

@@ -96,16 +96,11 @@ function(add_compile_flags target)
                 message(WARNING "No stack protection supported")
             endif(HAVE_STACK_PROTECTOR)
         endif(HAVE_STACK_PROTECTOR_ALL)
-        # Support address space layout randomization (ASLR)
-        if(NOT (MINGW OR CYGWIN OR CMAKE_C_COMPILER_ID STREQUAL "AppleClang"
-            OR ((CMAKE_SYSTEM_NAME MATCHES Darwin) AND (CMAKE_C_COMPILER_ID MATCHES Clang))))
+        # Support address space layout randomization (ASLR) / PIE
+        if(UNIX AND NOT APPLE)
             target_compile_options(${target} PRIVATE -fPIE)
-            target_link_options(${target} PRIVATE -fPIE -pie)
-            target_link_options(${target} PRIVATE -Wl,-z,relro)
-            target_link_options(${target} PRIVATE -Wl,-z,now)
-            target_link_options(${target} PRIVATE -Wl,-z,noexecstack)
-        endif(NOT (MINGW OR CYGWIN OR CMAKE_C_COMPILER_ID STREQUAL "AppleClang"
-            OR ((CMAKE_SYSTEM_NAME MATCHES Darwin) AND (CMAKE_C_COMPILER_ID MATCHES Clang))))
+            target_link_options(${target} PRIVATE -fPIE -pie -Wl,-z,relro,-z,now,-z,noexecstack)
+        endif(UNIX AND NOT APPLE)
         target_link_options(${target} PRIVATE -fstack-check)
         add_compile_flag_to_targets(${target})
     endif(MSVC)