build: add Flatpak manifest file

contrib/build-flatpak.sh

@@ -0,0 +1,30 @@
+#!/usr/bin/env bash
+export LC_ALL=C
+set -e
+SECONDS=0
+
+gc_platform="org.kde.Platform//5.15-23.08"
+gc_sdk="org.kde.Sdk//5.15-23.08"
+gc_id="us.gridcoin.Gridcoin-Research"
+gc_output_file="Gridcoin-Research.flatpak"
+gc_repo_root="$(realpath "$(dirname "$0")/..")"
+gc_builddir="$gc_repo_root/build"
+
+# Add the required flathub.org repo to the list of local repos, if it wasn't added earlier.
+flatpak remote-add --if-not-exists flathub https://dl.flathub.org/repo/flathub.flatpakrepo
+
+# Check if the required SDK and runtime are installed. If not, install them.
+flatpak info "$gc_platform" &>/dev/null || flatpak install --noninteractive -y flathub "$gc_platform"
+flatpak info "$gc_sdk" &>/dev/null || flatpak install --noninteractive -y flathub "$gc_sdk"
+
+echo "Started building the Gridcoin-Research Flatpak bundle..."
+mkdir -p "$gc_builddir"
+flatpak-builder --state-dir="$gc_builddir/flatpak-cache" "$gc_builddir/flatpak-build" "$gc_repo_root/contrib/flatpak-manifest.json" --force-clean
+flatpak build-export "$gc_builddir/gridcoin-flatpak" "$gc_builddir/flatpak-build"
+flatpak build-bundle "$gc_builddir/gridcoin-flatpak" "$gc_builddir/$gc_output_file" "$gc_id"
+
+relative_output="$(realpath --relative-to="$PWD" "$gc_builddir/$gc_output_file")"
+echo ""
+echo "Took $SECONDS seconds to build the Flatpak bundle. You can find the output in $relative_output"
+echo "To install it, run the command below:"
+echo "flatpak install $relative_output"

contrib/flatpak-manifest.json

@@ -0,0 +1,76 @@
+{
+    "id": "us.gridcoin.Gridcoin-Research",
+    "branch": "main",
+    "runtime": "org.kde.Platform",
+    "runtime-version": "5.15-23.08",
+    "sdk": "org.kde.Sdk",
+    "command": "gridcoinresearch",
+    "rename-desktop-file": "gridcoinresearch.desktop",
+    "rename-icon": "gridcoinresearch",
+    "finish-args": [
+        "--share=ipc",
+        "--share=network",
+        "--socket=wayland",
+        "--socket=fallback-x11",
+        "--device=dri",
+        "--talk-name=org.kde.StatusNotifierWatcher",
+        "--talk-name=org.freedesktop.Notifications",
+        "--filesystem=~/.var/app/edu.berkeley.BOINC:ro",
+        "--filesystem=/var/lib/boinc-client:ro",
+        "--filesystem=/var/lib/boinc:ro"
+    ],
+    "cleanup": [
+        "*.la",
+        "*.a"
+    ],
+    "modules": [
+        {
+            "name": "libzip",
+            "cleanup": [
+                "/bin",
+                "/share"
+            ],
+            "sources": [
+                {
+                    "type": "archive",
+                    "url": "https://nih.at/libzip/libzip-1.1.3.tar.xz",
+                    "sha256": "729a295a59a9fd6e5b9fe9fd291d36ae391a9d2be0b0824510a214cfaa05ceee"
+                }
+            ]
+        },
+        {
+            "name": "boost",
+            "buildsystem": "simple",
+            "build-commands": [
+                "./bootstrap.sh --prefix=/app --with-libraries=system,filesystem,thread,iostreams,test",
+                "./b2 -j $FLATPAK_BUILDER_N_JOBS install"
+            ],
+            "sources": [
+                {
+                    "type": "archive",
+                    "url": "https://boostorg.jfrog.io/artifactory/main/release/1.78.0/source/boost_1_78_0.tar.bz2",
+                    "sha256": "8681f175d4bdb26c52222665793eef08490d7758529330f98d3b29dd0735bccc"
+                }
+            ]
+        },
+        {
+            "name": "Gridcoin-Research",
+            "buildsystem": "autotools",
+            "config-opts": [
+                "--with-boost-libdir=/app/lib"
+            ],
+            "sources": [
+                {
+                    "type": "dir",
+                    "path": ".."
+                },
+                {
+                    "type": "shell",
+                    "commands": [
+                        "./autogen.sh"
+                    ]
+                }
+            ]
+        }
+    ]
+}