--- a/Admin/PLATFORMS Fri Jan 07 14:46:28 2011 +0100
+++ b/Admin/PLATFORMS Fri Jan 07 15:59:10 2011 +0100
@@ -61,13 +61,13 @@
The ISABELLE_PLATFORM setting variable refers to the 32 bit version of
the platform, even on 64 bit hardware. Power-tools need to indicate
64 bit support explicitly, via the (optional) ISABELLE_PLATFORM64
-setting. The following bash expressions prefers the 64 bit platform,
+setting. The following bash expression prefers the 64 bit platform,
if that is available:
"${ISABELLE_PLATFORM64:-$ISABELLE_PLATFORM}"
Note that ML and JVM may have a different idea of the platform,
-depending the the respective binaries that are actually run.
+depending on the respective binaries that are actually run.
Dependable system tools
--- a/src/HOL/SMT.thy Fri Jan 07 14:46:28 2011 +0100
+++ b/src/HOL/SMT.thy Fri Jan 07 15:59:10 2011 +0100
@@ -178,6 +178,10 @@
The option @{text smt_solver} can be used to change the target SMT
solver. The possible values can be obtained from the @{text smt_status}
command.
+
+Due to licensing restrictions, Yices and Z3 are not installed/enabled
+by default. Z3 is free for non-commercial applications and can be enabled
+by simply setting the environment variable Z3_NON_COMMERCIAL to @{text yes}.
*}
declare [[ smt_solver = cvc3 ]]