diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm index fa94679ae3..2f2c43cb0a 100644 --- a/gnu/packages/maths.scm +++ b/gnu/packages/maths.scm @@ -2243,6 +2243,49 @@ Furthermore, it comes with the tool @command{lpconvert} that converts either between aspif and smodels format or to a human-readable text format.") (license license:expat)))) +(define-public clasp + (package + (name "clasp") + (version "3.3.6") + (source (origin + (method git-fetch) + (uri (git-reference + (url "https://github.com/potassco/clasp") + (commit (string-append "v" version)))) + (file-name (git-file-name name version)) + (sha256 + (base32 + "0rahqiq530jckvx717858h1q5p8znp1kb6sjm95p8blkr4n3pvmj")))) + (build-system cmake-build-system) + (arguments + `(#:configure-flags '("-DCLASP_BUILD_TESTS=on" + "-DCLASP_INSTALL_LIB=on" + "-DCLASP_USE_LOCAL_LIB_POTASSCO=off" + "-DBUILD_SHARED_LIBS=on") + #:phases + (modify-phases %standard-phases + (add-after 'unpack 'patch-cmake + (lambda _ + (substitute* "CMakeLists.txt" + ;; Use lowercase to be consistent with libpotassco + (("\"cmake/Clasp\"") "\"cmake/clasp\"") + (("ClaspConfig\\.cmake") "clasp-config.cmake") + (("ClaspConfigVersion\\.cmake") + "clasp-config-version.cmake")) + (substitute* "cmake/ClaspConfig.cmake.in" + (("find_package\\(Potassco") "find_package(potassco")) + (rename-file "cmake/ClaspConfig.cmake.in" + "cmake/clasp-config.cmake.in")))))) + (inputs + `(("libpotassco" ,libpotassco))) + (home-page "https://potassco.org/") + (synopsis "Answer set solver") + (description "clasp is an answer set solver for (extended) normal and +disjunctive logic programs. The primary algorithm of clasp relies on +conflict-driven nogood learning, a technique that proved very successful for +satisfiability checking (SAT).") + (license license:expat))) + (define-public ceres (package (name "ceres-solver")