# HG changeset patch # User boehmes # Date 1294411153 -3600 # Node ID f0db8f40d6568501d76952d67d8c1fd77d6d40d7 # Parent 5eca258324ca0cf5e35f8e0e3549d12a3476259f added hints about licensing restrictions and how to enable Z3 diff -r 5eca258324ca -r f0db8f40d656 src/HOL/SMT.thy --- a/src/HOL/SMT.thy Fri Jan 07 15:37:53 2011 +0100 +++ b/src/HOL/SMT.thy Fri Jan 07 15:39:13 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 ]]