hardcode flatpak plugin paths

data/meson.build

@@ -55,7 +55,7 @@ zrythm_launcher_config.set ('LIBDIR', libdir)
 zrythm_launcher_config.set (
   'LD_LIBRARY_PATH_ENV',
   os_darwin ? 'DYLD_LIBRARY_PATH' : 'LD_LIBRARY_PATH')
-zrythm_launcher_config.set ('FLATPAK_BUILD', get_option ('for_flathub') ? '1' : '0')
+zrythm_launcher_config.set ('FLATPAK_BUILD', flatpak_build ? '1' : '0')
 
 # install desktop file and launcher scripts
 if os_gnu or os_freebsd or os_darwin

data/zrythm_launch.in

@@ -17,7 +17,8 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with Zrythm.  If not, see <https://www.gnu.org/licenses/>.
 
-if [ "@FLATPAK_BUILD@" != "1" ]; then
+flatpak_build="@FLATPAK_BUILD@"
+if [ "$flatpak_build" != "1" ]; then
   jack_path=$(dirname $(ldconfig -p | grep 'libjack.so ' | head -n 1 | cut -d ' ' -f 4))
   export @LD_LIBRARY_PATH_ENV@="@ZRYTHM_CARLA_LIBDIR@:@ZRYTHM_LIBDIR@:$jack_path:@LIBDIR@:$@LD_LIBRARY_PATH_ENV@"
 

meson.build

@@ -130,6 +130,8 @@ sourceviewstylesdir = zrythmdatadir / 'sourceview-styles'
 resources_dir = meson_src_root / 'resources'
 data_dir = meson_src_root / 'data'
 
+flatpak_build = get_option ('for_flathub') or get_option ('flatpak')
+
 # Used for building manpages, manual, etc., using
 # foreach.
 # The actual languages to use are specified in
@@ -414,6 +416,12 @@ cdata.set_quoted ('CONFIGURE_BINDIR', bindir)
 cdata.set_quoted ('LIB_SUFFIX', lib_suffix)
 cdata.set_quoted ('BIN_SUFFIX', bin_suffix)
 cdata.set_quoted ('GSCHEMAS_DIR', schemasdir)
+if flatpak_build
+  cdata.set ('FLATPAK_BUILD', 1)
+endif
+if get_option ('for_flathub')
+  cdata.set ('FOR_FLATHUB', 1)
+endif
 if get_option ('dseg_font')
   cdata.set ('HAVE_BUNDLED_DSEG', 1)
 endif

meson_options.txt

@@ -253,3 +253,9 @@ option (
   type: 'boolean',
   value: false,
   description: 'Whether building for Flathub.')
+
+option (
+  'flatpak',
+  type: 'boolean',
+  value: false,
+  description: 'Whether building a Flatpak package.')

src/plugins/plugin_manager.c

@@ -228,6 +228,14 @@ create_and_load_lilv_word (
     }
   else
     {
+#ifdef FLATPAK_BUILD
+      self->lv2_path =
+        g_strdup_printf (
+          "%s/.lv2:/app/lib/lv2:"
+          "/app/extensions/Plugins/lv2:%s",
+          g_get_home_dir (),
+          builtin_plugins_path);
+#else
       if (string_is_equal (LIBDIR_NAME, "lib"))
         {
           self->lv2_path =
@@ -249,7 +257,9 @@ create_and_load_lilv_word (
               g_get_home_dir (),
               builtin_plugins_path);
         }
+#endif /* flatpak build */
     }
+
   g_return_if_fail (self->lv2_path);
 
   /* add zrythm custom path for installer */
@@ -461,6 +471,10 @@ get_vst_paths (
     g_strdup (getenv ("VST_PATH"));
   if (!vst_path || (strlen (vst_path) == 0))
     {
+#ifdef FLATPAK_BUILD
+      vst_path =
+        g_strdup ("/app/extensions/Plugins/lxvst");
+#else
       if (string_is_equal (LIBDIR_NAME, "lib"))
         {
           vst_path =
@@ -481,6 +495,7 @@ get_vst_paths (
               "/usr/local/" LIBDIR_NAME "/vst",
               g_get_home_dir (), g_get_home_dir ());
         }
+#endif
 
       g_message (
         "Using standard VST paths: %s", vst_path);
@@ -523,6 +538,10 @@ get_vst3_paths (
     g_strdup (getenv ("VST3_PATH"));
   if (!vst_path || (strlen (vst_path) == 0))
     {
+#ifdef FLATPAK_BUILD
+      vst_path =
+        g_strdup ("/app/extensions/Plugins/vst3");
+#else
       if (string_is_equal (LIBDIR_NAME, "lib"))
         {
           vst_path =
@@ -543,6 +562,7 @@ get_vst3_paths (
               "/usr/local/" LIBDIR_NAME "/vst3",
               g_get_home_dir ());
         }
+#endif
 
       g_message (
         "Using standard VST3 paths: %s", vst_path);