--- rpl/README	2010/09/07 20:59:04	1.14
+++ rpl/README	2011/09/08 14:02:52	1.18
@@ -27,7 +27,9 @@ symbolic and scientific computations.
 	tools/file-*/Makefile.am;
 	- gcc-4.4 or newer;
 	- g++-4.4 or newer;
-	- gfortran-4.4 or newer.
+	- gfortran-4.4 or newer;
+	- bash in /bin/bash. To build RPL/CAS on NetBSD, you have to add a soft link
+	  like 'ln -s /usr/pkg/bin/bash /bin/bash'.
 
 	RPL/2 build process invoques automake and autoconf.
 
@@ -56,6 +58,16 @@ flags.
 	- OS/2 and eComStation with EMX (>= 0.9d). You probably have to
 		recreate configure script and makefiles with aclocal, autoconf and
 		automake.
+		========================================================================
+		WARNING : eCS DEFINES TMP VARIABLE THAT OVERWRITES PATHS
+		IN FOPEN() SYSTEM CALL. /TMP/xxx IS REPLACED BY /%TMP%/xxx.
+		THIS BUG ONLY OCCURS WHEN RPL/2 IS CALLED FROM OS/2 OR 4OS2 SHELL.
+		WORKAROUND : DEFINE RPL_TMP_PATH WITH A DRIVE LETTER LIKE
+
+			SET RPL_TMP_PATH=C:/tmp
+
+		OR CALL RPL/2 FROM A BOURNE SHELL.
+		========================================================================
 	- Mac OS X.
 
   * RPL/2 should run on :