diff -up sqlite-src-3120200/configure.ac.malloc_usable_size sqlite-src-3120200/configure.ac

--- sqlite-src-3120200/configure.ac.malloc_usable_size	2016-04-25 09:46:48.134690570 +0200

+++ sqlite-src-3120200/configure.ac	2016-04-25 09:48:41.622637181 +0200

@@ -108,7 +108,7 @@ AC_CHECK_HEADERS([sys/types.h stdlib.h s

 #########

 # Figure out whether or not we have these functions

 #

-AC_CHECK_FUNCS([fdatasync gmtime_r isnan localtime_r localtime_s malloc_usable_size strchrnul usleep utime pread pread64 pwrite pwrite64])

+AC_CHECK_FUNCS([fdatasync gmtime_r isnan localtime_r localtime_s strchrnul usleep utime pread pread64 pwrite pwrite64])

 #########

 # By default, we use the amalgamation (this may be changed below...)

diff -up sqlite-src-3120200/configure.malloc_usable_size sqlite-src-3120200/configure

--- sqlite-src-3120200/configure.malloc_usable_size	2016-04-25 09:47:12.594679063 +0200

+++ sqlite-src-3120200/configure	2016-04-25 09:49:28.684615042 +0200

@@ -10275,7 +10275,7 @@ done

 #########

 # Figure out whether or not we have these functions

 #

-for ac_func in fdatasync gmtime_r isnan localtime_r localtime_s malloc_usable_size strchrnul usleep utime pread pread64 pwrite pwrite64

+for ac_func in fdatasync gmtime_r isnan localtime_r localtime_s strchrnul usleep utime pread pread64 pwrite pwrite64

 do :

   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`

 ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"