diff -up magicpoint-1.13a/configure~ magicpoint-1.13a/configure
--- magicpoint-1.13a/configure~	2021-02-15 17:02:17.000000000 +0100
+++ magicpoint-1.13a/configure	2021-02-15 17:06:33.304594700 +0100
@@ -5785,6 +5785,8 @@ for i in /usr/pkg /usr/local /usr; do
 			DEPLIBS="$DEPLIBS $i/lib/libmng.a"
 		elif test -f $i/lib/libmng.so ; then
 			DEPLIBS="$DEPLIBS $i/lib/libmng.so"
+		elif test -f $i/lib64/libmng.so ; then
+			DEPLIBS="$DEPLIBS $i/lib64/libmng.so"
 		else
 			break;
 		fi
@@ -5796,7 +5798,7 @@ if test "${ac_cv_lib_mng_mng_initialize+
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
-LIBS="-lmng  $LIBS"
+LIBS="-lmng -ljpeg $LIBS"
 cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
@@ -5852,7 +5854,7 @@ fi
 { echo "$as_me:$LINENO: result: $ac_cv_lib_mng_mng_initialize" >&5
 echo "${ECHO_T}$ac_cv_lib_mng_mng_initialize" >&6; }
 if test $ac_cv_lib_mng_mng_initialize = yes; then
-  LIBS="$LIBS -lmng"
+  LIBS="$LIBS -lmng -ljpeg"
 			 cat >>confdefs.h <<\_ACEOF
 #define MNG 1
 _ACEOF