diff -uraN libelf-0.8.13.orig/configure.in libelf-0.8.13/configure.in
--- libelf-0.8.13.orig/configure.in	2018-04-04 15:44:02.970391337 -0600
+++ libelf-0.8.13/configure.in	2018-04-04 15:42:27.530226667 -0600
@@ -90,7 +90,7 @@
 AC_CHECK_SIZEOF(short,2)
 AC_CHECK_SIZEOF(int,4)
 AC_CHECK_SIZEOF(long,4)
-AC_CHECK_SIZEOF(long long,0)
+AC_CHECK_SIZEOF(long long,8)
 # Windows port
 AC_CHECK_SIZEOF(__int64, 0)