Index: gperftools-2.13/src/base/elf_mem_image.h
===================================================================
--- gperftools-2.13.orig/src/base/elf_mem_image.h
+++ gperftools-2.13/src/base/elf_mem_image.h
@@ -47,6 +47,7 @@
 
 #define HAVE_ELF_MEM_IMAGE 1
 
+#include <cstddef>
 #include <stdlib.h>
 #include <link.h>  // for ElfW