--- g2clib-1.4.0/enc_jpeg2000.c.orig	2012-02-15 22:54:35.000000000 +0900
+++ g2clib-1.4.0/enc_jpeg2000.c	2016-11-15 15:30:51.000000000 +0900
@@ -121,7 +121,7 @@
     image.clrspc_=JAS_CLRSPC_SGRAY;         /* grayscale Image */
     image.cmprof_=0; 
 #endif
-    image.inmem_=1;
+//    image.inmem_=1;
 
     cmpt.tlx_=0;
     cmpt.tly_=0;