snap: build lazarus sdk from source

Reason for change:
- Ubuntu default lazarus via apt get is not the latest version.
- Need to build from source to get the latest Arm64 version.

Author: GerryFerdinandus

snap/snapcraft.yaml

@@ -12,44 +12,78 @@ architectures:
 
 apps:
   bittorrent-tracker-editor:
-    desktop: mainprogram/io.github.gerryferdinandus.bittorrent-tracker-editor.desktop
     extensions:
       - kde-neon
-    command: mainprogram/trackereditor
+    command: trackereditor
     environment:
       # Fallback to XWayland if running in a Wayland session.
       DISABLE_WAYLAND: 1
     plugs:
       - home
       - network
       - removable-media
-      - pulseaudio
 
 parts:
-  mainprogram: # Build and add to snap the main program: mainprogram/trackereditor
-    source: https://github.com/GerryFerdinandus/bittorrent-tracker-editor.git
-    parse-info: [metainfo/io.github.gerryferdinandus.bittorrent-tracker-editor.metainfo.xml]
+  build_lazarus:
+    source: .
     plugin: nil
-    override-build: |
-      craftctl default
-      lazbuild --build-mode=Release --widgetset=qt5 source/project/tracker_editor/trackereditor.lpi
-      mkdir $CRAFT_PART_INSTALL/mainprogram
-      cp enduser/trackereditor $CRAFT_PART_INSTALL/mainprogram
-      cp metainfo/io.github.gerryferdinandus.bittorrent-tracker-editor.desktop $CRAFT_PART_INSTALL/mainprogram
     build-packages:
       - fpc
-      - lazarus
-      - libqt5pas-dev
+      - libqt5x11extras5-dev
+    build-environment:
+      - LAZARUS_URL_TAR_GZ: "https://sourceforge.net/projects/lazarus/files/Lazarus%20Zip%20_%20GZip/Lazarus%203.4/lazarus-3.4-0.tar.gz"
+      - LAZARUS_QT_VERSION: "5"
+      - LIB_DIR: "/usr/lib/$CRAFT_ARCH_TRIPLET_BUILD_FOR"
+      - LAZARUS_DIR: "$PWD/lazarus"
+    override-build: |
+      # Remove the older libQTpas.so
+      rm -f $LIB_DIR/libQt${LAZARUS_QT_VERSION}Pas.*
 
-  libQt5Pas: # Add to snap the libQt5Pas support library : usr/lib/*/libQt5Pas.*
-    plugin: nil
-    stage-packages:
-      - libqt5pas1
-    prime:
-      - usr/lib/*/libQt5Pas.*
-
-# Only 3 files are explicitly added in this snap:
-# trackereditor + .desktop file via copy command
-# libQt5Pas.so via prime
+      #Download lazarus source code. Directory 'lazarus' will be created in the root.
+      curl -L -O $LAZARUS_URL_TAR_GZ
+      tar -xzf *.tar.gz
+
+      # Create libQTpas.so and put it in snap $CRAFT_PART_INSTALL
+      cd "$LAZARUS_DIR/lcl/interfaces/qt${LAZARUS_QT_VERSION}/cbindings/"
+      qmake
+      make -j$(nproc)
+      make install
+      cp -av --parents $LIB_DIR/libQt${LAZARUS_QT_VERSION}Pas.* $CRAFT_PART_INSTALL
+
+      # make lazbuild and put the link with extra parameter in /usr/bin/
+      cd "$LAZARUS_DIR"
+      make lazbuild
+      echo "$LAZARUS_DIR/lazbuild --primary-config-path=$LAZARUS_DIR --lazarusdir=$LAZARUS_DIR \$*" > /usr/bin/lazbuild
+      chmod 777 /usr/bin/lazbuild
+
+  mainprogram: # Build and add to snap the main program: trackereditor
+      after: [build_lazarus]
+      source: .
+      plugin: nil
+      parse-info: [metainfo/io.github.gerryferdinandus.bittorrent-tracker-editor.metainfo.xml]
+      override-build: |
+        lazbuild --build-mode=Release --widgetset=qt5 source/project/tracker_editor/trackereditor.lpi
+        install enduser/trackereditor $CRAFT_PART_INSTALL/
+
+# --------------------------------------------------------------
+# Only 2 files are explicitly added in this snap
+# - main program: enduser/trackereditor
+# - Lazarus QT suport library: libQt5Pas.so
+#
+# Create snap. Run from the project root folder:
+# snapcraft --verbosity verbose
+#
+# he snapTo look what is inside t file. Directory 'squashfs-root' will be created in the root folder:
+# unsquashfs *.snap
+#
+# Install the snap:
+# sudo snap install --devmode ./*.snap 
 #
-# Use: 'unsquashfs *.snap' to look what is inside the snap file.
+# Run the snap
+# snap run bittorrent-tracker-editor
+# --------------------------------------------------------------
+# Todo: building for QT6 is still not working with snap
+# https://askubuntu.com/questions/1460242/ubuntu-22-04-with-qt6-qmake-could-not-find-a-qt-installation-of
+# qtchooser -install qt{LAZARUS_QT_VERSION} $(which qmake6)
+# export QT_SELECT=qt{LAZARUS_QT_VERSION}
+# --------------------------------------------------------------