--- rpl/README	2010/08/26 17:56:18	1.12
+++ 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.
 
@@ -40,8 +42,8 @@ flags.
 
   * RPL/2 is known to run on :
 
-	- Linux (kernel 2.6.26 and above). Test distribution is Debian.
-	- Solaris 8 and above.
+	- Linux (kernel 2.6.26 and beyond). Test distribution is Debian.
+	- Solaris 8 and beyond.
 		It can be built out of the box on Solaris in a 32bits userland. For a
 		64bits executable, you have to modify some generated makefiles or
 		specify some options. See 64bits on Solaris.
@@ -50,18 +52,29 @@ flags.
 		FreeBSD 8.0 because sig_info_t struct is not filled. This bug is now
 		fixed. Someone has reported that FreeBSD 7.2 did not filled this
 		struct too...
-	- NetBSD 5.0 and above.
-	- OpenBSD 4.8 and above.
+	- NetBSD 5.0 and beyond.
+	- OpenBSD 4.8 and beyond.
 	- Windows with Cygwin (>= 1.7.5).
 	- OS/2 and eComStation with EMX (>= 0.9d). You probably have to
-		recreate configure script and makefiles with autoreconf.
+		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 :
 
 	- AIX
-	- HP-UX (10.20 and above), but not tested for a long time.
-	- NetBSD 4.0 and above with restriction due to sigpending bug.
+	- HP-UX (10.20 and beyond), but not tested for a long time.
+	- NetBSD 4.0 and beyond with restriction due to sigpending bug.
 
 	Any information about RPL/2 on these last operating systems are welcome.