gnu: Add qtsolutions.

* gnu/packages/qt.scm (qtsolutions): New variable.

Signed-off-by: Leo Prikler <leo.prikler@student.tugraz.at>

gnu/packages/qt.scm

@@ -2473,6 +2473,117 @@ (define-public qtkeychain
 securely.  It will not store any data unencrypted unless explicitly requested.")
     (license license:bsd-3)))
 
+(define-public qtsolutions
+  (let ((commit "9568abd142d581b67b86a5f63d823a34b0612702")
+        (revision "53"))
+    (package
+      (name "qtsolutions")
+      (version (git-version "0" revision commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/qtproject/qt-solutions")
+               (commit commit)))
+         (file-name (git-file-name name version))
+         (sha256
+          (base32 "17fnmassflm3vxi0krpr6fff368jy38cby31a48rban4nqqmgx7n"))
+         (modules '((guix build utils)
+                    (ice-9 ftw)
+                    (srfi srfi-1)))
+         (snippet
+          ;; Unvendor QtLockFile from QtSingleApplication.
+          '(begin
+             (with-directory-excursion "qtsingleapplication/src"
+               (for-each delete-file
+                         (find-files "." "qtlockedfile.*\\.(h|cpp)"))
+                 (substitute* "qtsingleapplication.pri"
+                   ;; Add include path of LockedFile.
+                   (("INCLUDEPATH \\+=")
+                    "INCLUDEPATH += ../../qtlockedfile/src")
+                   ;; Link library of LockedFile.
+                   (("LIBS \\+=")
+                    "LIBS += -lQtSolutions_LockedFile"))
+                 (substitute* '("qtlocalpeer.h" "qtlocalpeer.cpp")
+                   (("#include \"qtlockedfile.*\\.cpp\"") "")
+                   ;; Unwrap namespace added in the vendoring process.
+                   (("QtLP_Private::QtLockedFile")
+                    "QtLockedFile")))
+             #t))))
+      (build-system gnu-build-system)
+      (arguments
+       `(#:tests? #f                    ; No target
+         #:imported-modules
+         ((guix build copy-build-system)
+          ,@%gnu-build-system-modules)
+         #:modules
+         (((guix build copy-build-system) #:prefix copy:)
+          (guix build gnu-build-system)
+          (guix build utils))
+         #:phases
+         (modify-phases %standard-phases
+           (add-after 'unpack 'patch-source
+             (lambda* (#:key outputs #:allow-other-keys)
+               (substitute* (find-files "." "common.pri")
+                 ;; Remove unnecessary prefixes/suffixes in library names.
+                 (("qt5") "qt")
+                 (("-head") ""))
+               ;; Disable building of examples.
+               (substitute* (find-files "." "\\.pro$")
+                 (("SUBDIRS\\+=examples") ""))
+               ;; Fix deprecated functions.
+               (substitute* "qtsoap/src/qtsoap.cpp"
+                 (("toAscii") "toUtf8"))
+               #t))
+           (replace 'configure
+             (lambda _
+               (for-each (lambda (solution)
+                           (with-directory-excursion solution
+                             (invoke "./configure" "-library")
+                             (invoke "qmake")))
+                         '("qtlockedfile" "qtpropertybrowser" "qtservice"
+                           "qtsingleapplication" "qtsoap"))
+               #t))
+           (replace 'build
+             (lambda _
+               (for-each (lambda (solution)
+                           (with-directory-excursion solution
+                             (invoke "make")))
+                         '("qtlockedfile" "qtpropertybrowser" "qtservice"
+                           "qtsingleapplication" "qtsoap"))
+               #t))
+           (replace 'install
+             (lambda args
+               (for-each (lambda (solution)
+                           (with-directory-excursion solution
+                             (apply
+                              (assoc-ref copy:%standard-phases 'install)
+                              #:install-plan
+                              '(("src" "include" #:include-regexp ("\\.h$"))
+                                ("lib" "lib"))
+                              args)))
+                         '("qtlockedfile" "qtpropertybrowser" "qtservice"
+                           "qtsingleapplication" "qtsoap")))))))
+      (inputs
+       `(("qtbase" ,qtbase)))
+      (synopsis "Collection of Qt extensions")
+      (description "QtSolutions is a set of components extending Qt.
+@itemize
+@item QtLockedFile: A class that extends QFile with advisory locking functions.
+@item QtPropertyBrowser: A framework that enables the user to edit a set of
+properties.
+@item QtService: A helper for writing services such as Unix daemons.
+@item QtSingleApplication: A component that provides support for applications
+that can be only started once per user.
+@item QtSoap: A component that provides basic web service support with version
+1.1 of the SOAP protocol.
+@end itemize\n")
+      (home-page "https://doc.qt.io/archives/qq/qq09-qt-solutions.html")
+      (license (list license:bsd-3
+                     ;; QScriptParser and QScriptGrammar specifically allow
+                     ;; redistribution under GPL3 or LGPL2.1
+                     license:gpl3 license:lgpl2.1)))))
+
 (define-public qwt
   (package
     (name "qwt")