@@ -4801,3 +4801,59 @@ (define-public oneapi-dnnl
"OneAPI Deep Neural Network Library (oneDNN) is a cross-platform
performance library of basic building blocks for deep learning applications.")
(license license:asl2.0)))
+
+
+(define-public gpt4all-backend
+ (let ((commit "108d950874e457ced4d5d1f0569dfb43bbd25734")
+ (version "0.3.0")
+ (revision "1"))
+ (package
+ (name "gpt4all-backend")
+ (version (git-version version revision commit))
+ (source (origin
+ (method git-fetch)
+ (uri (git-reference
+ (url "https://github.com/nomic-ai/gpt4all")
+ (commit commit)
+ (recursive? #t)))
+ (file-name (git-file-name name version))
+ (sha256
+ (base32
+ "1x2w3x5abqkwjp043ijqfsmsm72783a245y5bri9bs1cpfyr0xyr"))))
+ (build-system cmake-build-system)
+ ;; (inputs (list llama-cpp))
+ ;; TODO: when upstream supports using system installed llama-cpp, use it
+ (arguments
+ (list #:tests? #f ;no test target
+ #:configure-flags #~(list (string-append
+ "-DCMAKE_INSTALL_PREFIX="
+ #$output))
+ #:phases #~(modify-phases %standard-phases
+ (add-after 'unpack 'chdir
+ (lambda _
+ (mkdir-p #$output) ;ensure it exists
+ (chdir "gpt4all-backend")))
+ (add-after 'chdir 'fix-install-path
+ (lambda _
+ (substitute* "CMakeLists.txt"
+ (("CMAKE_INSTALL_PREFIX")
+ "CMAKE_INSTALL_PREFIX_ignored"))))
+ (replace 'install
+ (lambda* (#:key outputs #:allow-other-keys)
+ (let* ((out #$output)
+ (lib (string-append out "/lib")))
+ (mkdir-p lib)
+ ;; Install the .so targets.
+ (for-each (lambda (file)
+ (install-file file lib))
+ (find-files "." "\\.so"))))))))
+ (home-page "https://gpt4all.io/index.html")
+ (synopsis "C/C++ model backend used by GPT4All for inference on the CPU")
+ (description
+ "GPT4All backend acts as a universal library/wrapper for all models that
+the GPT4All ecosystem supports. Language bindings are built on top of this universal
+library. The native GPT4all Chat application directly uses this library for all
+inference.")
+ (license license:expat))))
+
+