evade a potential conflict of /bin/bash versus /bin/sh -> dash (notably on Ubuntu and Debian) -- note that execvpe does not exist on old glibc on Ubuntu 10.04 LTS, but the environ should be unchanged;

--- a/Admin/components/components.sha1	Wed Feb 10 14:40:15 2016 +0100
+++ b/Admin/components/components.sha1	Thu Feb 11 16:29:38 2016 +0100
@@ -112,6 +112,7 @@
 b4b624fb5f34d1dc814fb4fb469fafd7d7ea018a  polyml-5.5.3-20150908.tar.gz
 b668e1f43a41608a8eb365c5e19db6c54c72748a  polyml-5.5.3-20150911.tar.gz
 1f5cd9b1390dab13861f90dfc06d4180cc107587  polyml-5.5.3-20150916.tar.gz
+f78896e588e8ebb4da57bf0c95210b0f0fa9e551  polyml-5.6-1.tar.gz
 03ba81e595fa6d6df069532d67ad3195c37d9046  polyml-5.6-20151123.tar.gz
 822f489c18e38ce5ef979ec21dccce4473e09be6  polyml-5.6-20151206.tar.gz
 bd6a448f0e0d5787747f4f30ca661f9c1868e4a7  polyml-5.6-20151223.tar.gz

--- a/Admin/components/main	Wed Feb 10 14:40:15 2016 +0100
+++ b/Admin/components/main	Thu Feb 11 16:29:38 2016 +0100
@@ -10,7 +10,7 @@
 jfreechart-1.0.14-1
 jortho-1.0-2
 kodkodi-1.5.2
-polyml-5.6
+polyml-5.6-1
 scala-2.11.7
 spass-3.8ds
 xz-java-1.2-1

--- a/Admin/polyml/README	Wed Feb 10 14:40:15 2016 +0100
+++ b/Admin/polyml/README	Thu Feb 11 16:29:38 2016 +0100
@@ -4,6 +4,17 @@
 This compilation of Poly/ML 5.6 (http://www.polyml.org) is based on the source
 distribution from https://github.com/polyml/polyml/releases/tag/v5.6/.
 
+On Linux the sources have changed as follows, in order to evade a
+potential conflict of /bin/bash versus /bin/sh -> dash (notably on
+Ubuntu and Debian):
+
+diff -r src-orig/libpolyml/process_env.cpp src/libpolyml/process_env.cpp
+228c228
+<                 execve("/bin/sh", argv, environ);
+---
+>                 execvp("bash", argv);
+
+
 The included build script is used like this:
 
   ./build src x86-linux --with-gmp
@@ -18,4 +29,4 @@
 
 
         Makarius
-        31-Jan-2016
+        11-Feb-2016