gpxlab: fix localization (#124012)

Co-authored-by: Guillaume Girol <symphorien@users.noreply.github.com>

pkgs/applications/misc/gpxlab/default.nix

@@ -1,4 +1,6 @@
-{ stdenv, mkDerivation, lib, fetchFromGitHub, qmake, qttools, qttranslations }:
+{ stdenv, mkDerivation, lib, fetchFromGitHub, substituteAll
+, qmake, qttools, qttranslations
+}:
 
 mkDerivation rec {
   pname = "gpxlab";
@@ -11,8 +13,13 @@ mkDerivation rec {
     sha256 = "080vnwcciqblfrbfyz9gjhl2lqw1hkdpbgr5qfrlyglkd4ynjd84";
   };
 
-  nativeBuildInputs = [ qmake ];
-  buildInputs = [ qttools qttranslations ];
+  patches = (substituteAll {
+    # See https://github.com/NixOS/nixpkgs/issues/86054
+    src = ./fix-qttranslations-path.patch;
+    inherit qttranslations;
+  });
+
+  nativeBuildInputs = [ qmake qttools ];
 
   preConfigure = ''
     lrelease GPXLab/locale/*.ts
@@ -24,8 +31,6 @@ mkDerivation rec {
     wrapQtApp $out/Applications/GPXLab.app/Contents/MacOS/GPXLab
   '';
 
-  enableParallelBuilding = true;
-
   meta = with lib; {
     homepage = "https://github.com/BourgeoisLab/GPXLab";
     description = "Program to show and manipulate GPS tracks";
@@ -33,8 +38,8 @@ mkDerivation rec {
       GPXLab is an application to display and manage GPS tracks
       previously recorded with a GPS tracker.
     '';
-    license = licenses.gpl3;
+    license = licenses.gpl3Only;
     maintainers = with maintainers; [ sikmir ];
-    platforms = with platforms; linux ++ darwin;
+    platforms = platforms.unix;
   };
 }

pkgs/applications/misc/gpxlab/fix-qttranslations-path.patch

@@ -0,0 +1,17 @@
+diff --git i/GPXLab/main.cpp w/GPXLab/main.cpp
+index b12d2dd..58d37c5 100644
+--- i/GPXLab/main.cpp
++++ w/GPXLab/main.cpp
+@@ -19,10 +19,10 @@ int main(int argc, char *argv[])
+     app.installTranslator(&gpxlab);
+ 
+     QTranslator qt;
+-#if defined(Q_OS_WIN32) || defined(Q_OS_MAC)
++#if defined(Q_OS_WIN32)
+     qt.load(QLocale::system(), "qt", "_", TRANSLATIONS_DIR);
+ #else
+-    qt.load(QLocale::system(), "qt", "_", QLibraryInfo::location(QLibraryInfo::TranslationsPath));
++    qt.load(QLocale::system(), "qt", "_", QLatin1String("@qttranslations@/translations"));
+ #endif
+     app.installTranslator(&qt);
+