gnu: Add presage.

* gnu/packages/fcitx.scm (presage): New variable.

Signed-off-by: Danny Milosavljevic <dannym@scratchpost.org>

gnu/packages/fcitx.scm

@@ -22,18 +22,78 @@ (define-module (gnu packages fcitx)
   #:use-module (guix packages)
   #:use-module (guix download)
   #:use-module (guix build-system cmake)
+  #:use-module (guix build-system glib-or-gtk)
+  #:use-module (gnu packages check)
   #:use-module (gnu packages documentation)
   #:use-module (gnu packages enchant)
   #:use-module (gnu packages gettext)
   #:use-module (gnu packages glib)
+  #:use-module (gnu packages graphviz)
   #:use-module (gnu packages gtk)
   #:use-module (gnu packages icu4c)
   #:use-module (gnu packages iso-codes)
+  #:use-module (gnu packages man)
+  #:use-module (gnu packages ncurses)
   #:use-module (gnu packages pkg-config)
+  #:use-module (gnu packages python)
+  #:use-module (gnu packages sqlite)
   #:use-module (gnu packages web)
   #:use-module (gnu packages xml)
   #:use-module (gnu packages xorg))
 
+(define-public presage
+  (package
+    (name "presage")
+    (version "0.9.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri
+        (string-append "mirror://sourceforge/presage/presage/"
+                       version "/presage-" version ".tar.gz"))
+       (sha256
+        (base32 "0rm3b3zaf6bd7hia0lr1wyvi1rrvxkn7hg05r5r1saj0a3ingmay"))))
+    (build-system glib-or-gtk-build-system)
+    (outputs '("out" "doc"))
+    (arguments
+     `(#:configure-flags
+       (list
+        "CFLAGS=-Wno-narrowing"
+        "CXXFLAGS=-Wno-narrowing")
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'install 'move-doc
+           (lambda* (#:key outputs #:allow-other-keys)
+             (let* ((out (assoc-ref outputs "out"))
+                    (doc (assoc-ref outputs "doc")))
+               (mkdir-p (string-append doc "/share/presage"))
+               (rename-file
+                (string-append out "/share/presage/html")
+                (string-append doc "/share/presage/html"))
+               #t))))))
+    (native-inputs
+     `(("dot" ,graphviz)
+       ("doxygen" ,doxygen)
+       ("gettext" ,gettext-minimal)
+       ("glib:bin" ,glib "bin")
+       ("gtk+:bin" ,gtk+ "bin")
+       ("help2man" ,help2man)
+       ("pkg-config" ,pkg-config)
+       ("python-wrapper" ,python-wrapper)))
+    (inputs
+     `(("glib" ,glib)
+       ("gtk+" ,gtk+)
+       ("libx11" ,libx11)
+       ("sqlite" ,sqlite)
+       ("tinyxml" ,tinyxml)))
+    (synopsis "Intelligent Predictive Text Entry System")
+    (description "Presage generates predictions by modelling natural language as
+a combination of redundant information sources.  It computes probabilities for
+words which are most likely to be entered next by merging predictions generated
+by the different predictive algorithms.")
+    (home-page "https://presage.sourceforge.io/")
+    (license gpl2+)))
+
 (define-public fcitx
   (package
     (name "fcitx")