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-rw-r--r--INSTALL.md20
1 files changed, 11 insertions, 9 deletions
diff --git a/INSTALL.md b/INSTALL.md
index b95450dff..bf3a20ed2 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -1,5 +1,5 @@
-CVC4 prerelease version 1.8.
-============================
+CVC4 prerelease version 1.9
+===========================
## Building CVC4
@@ -114,6 +114,15 @@ It can be installed using the `contrib/get-cryptominisat` script.
Configure CVC4 with `configure.sh --cryptominisat` to build with this
dependency.
+### Kissat (Optional SAT solver)
+
+[Kissat](https://github.com/arminbiere/kissat)
+is a SAT solver that can be used for solving bit-vector problems with eager
+bit-blasting. This dependency may improve performance.
+It can be installed using the `contrib/get-kissat` script.
+Configure CVC4 with `configure.sh --kissat` to build with this
+dependency.
+
### LFSC (The LFSC Proof Checker)
[LFSC](https://github.com/CVC4/LFSC) is required to check proofs internally
@@ -179,13 +188,6 @@ If you choose to use CVC4 with GNU Readline support, you are licensing CVC4
under that same license.
(Usually CVC4's license is more permissive; see above discussion.)
-### libboost_thread: The Boost C++ threading library (Portfolio Builds)
-
-The [Boost](http://www.boost.org) C++ threading library (often packaged
-independently of the Boost base library) is needed to run CVC4 in "portfolio"
-(multithreaded) mode.
-Check your distribution for a package named "libboost-thread-dev" or similar.
-
### Boost C++ base libraries (Examples)
The [Boost](http://www.boost.org) C++ base library is needed for some examples
generated by cgit on debian on lair
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