plug-ins: Do not call in-build-gimp.py before building plugins

We were already considering the plugins under /common but
not the plug-ins that have their own subdirectories. So,
plugin_executables did not match custom_plugin_targets and
the build started to fail on macOS where install_name_tool
neeeds to process the plugins setting the right LC_RPATH.

plug-ins/file-bmp/meson.build

@@ -36,4 +36,12 @@ plugin_exe = executable(plugin_name,
                         win_subsystem: 'windows',
                         install: true,
                         install_dir: gimpplugindir / 'plug-ins' / plugin_name)
+
+# Ugly trick to add executables to plugin_custom_targets list (see root meson.build)
+plugin_custom_targets += custom_target('dummy-' + plugin_name,
+              input: plugin_exe,
+              output: 'dummy-' + plugin_name + '.dummy',
+              command: [python, '-c',
+                        'open("@OUTPUT@", "w").write("Nice. I was built before calling in-build-gimp.py\\n")'],
+              build_by_default: true)
 plugin_executables += [plugin_exe.full_path()]

plug-ins/file-dds/meson.build

@@ -35,4 +35,12 @@ plugin_exe = executable(plugin_name,
                         win_subsystem: 'windows',
                         install: true,
                         install_dir: gimpplugindir / 'plug-ins' / plugin_name)
+
+# Ugly trick to add executables to plugin_custom_targets list (see root meson.build)
+plugin_custom_targets += custom_target('dummy-' + plugin_name,
+              input: plugin_exe,
+              output: 'dummy-' + plugin_name + '.dummy',
+              command: [python, '-c',
+                        'open("@OUTPUT@", "w").write("Nice. I was built before calling in-build-gimp.py\\n")'],
+              build_by_default: true)
 plugin_executables += [plugin_exe.full_path()]

plug-ins/file-exr/meson.build

@@ -31,6 +31,14 @@ plugin_exe = executable(plugin_name,
                         win_subsystem: 'windows',
                         install: true,
                         install_dir: gimpplugindir / 'plug-ins' / plugin_name)
+
+# Ugly trick to add executables to plugin_custom_targets list (see root meson.build)
+plugin_custom_targets += custom_target('dummy-' + plugin_name,
+              input: plugin_exe,
+              output: 'dummy-' + plugin_name + '.dummy',
+              command: [python, '-c',
+                        'open("@OUTPUT@", "w").write("Nice. I was built before calling in-build-gimp.py\\n")'],
+              build_by_default: true)
 plugin_executables += [plugin_exe.full_path()]
 
 endif

plug-ins/file-faxg3/meson.build

@@ -25,4 +25,12 @@ plugin_exe = executable(plugin_name,
                         win_subsystem: 'windows',
                         install: true,
                         install_dir: gimpplugindir / 'plug-ins' / plugin_name)
+
+# Ugly trick to add executables to plugin_custom_targets list (see root meson.build)
+plugin_custom_targets += custom_target('dummy-' + plugin_name,
+              input: plugin_exe,
+              output: 'dummy-' + plugin_name + '.dummy',
+              command: [python, '-c',
+                        'open("@OUTPUT@", "w").write("Nice. I was built before calling in-build-gimp.py\\n")'],
+              build_by_default: true)
 plugin_executables += [plugin_exe.full_path()]

plug-ins/file-fits/meson.build

@@ -29,5 +29,13 @@ if cfitsio_dep.found()
                           win_subsystem: 'windows',
                           install: true,
                           install_dir: gimpplugindir / 'plug-ins' / plugin_name)
+
+  # Ugly trick to add executables to plugin_custom_targets list (see root meson.build)
+  plugin_custom_targets += custom_target('dummy-' + plugin_name,
+              input: plugin_exe,
+              output: 'dummy-' + plugin_name + '.dummy',
+              command: [python, '-c',
+                        'open("@OUTPUT@", "w").write("Nice. I was built before calling in-build-gimp.py\\n")'],
+              build_by_default: true)
   plugin_executables += [plugin_exe.full_path()]
 endif

plug-ins/file-fli/meson.build

@@ -25,4 +25,12 @@ plugin_exe = executable(plugin_name,
                         win_subsystem: 'windows',
                         install: true,
                         install_dir: gimpplugindir / 'plug-ins' / plugin_name)
+
+# Ugly trick to add executables to plugin_custom_targets list (see root meson.build)
+plugin_custom_targets += custom_target('dummy-' + plugin_name,
+              input: plugin_exe,
+              output: 'dummy-' + plugin_name + '.dummy',
+              command: [python, '-c',
+                        'open("@OUTPUT@", "w").write("Nice. I was built before calling in-build-gimp.py\\n")'],
+              build_by_default: true)
 plugin_executables += [plugin_exe.full_path()]

plug-ins/file-icns/meson.build

@@ -30,4 +30,12 @@ plugin_exe = executable(plugin_name,
                         win_subsystem: 'windows',
                         install: true,
                         install_dir: gimpplugindir / 'plug-ins' / plugin_name)
+
+# Ugly trick to add executables to plugin_custom_targets list (see root meson.build)
+plugin_custom_targets += custom_target('dummy-' + plugin_name,
+              input: plugin_exe,
+              output: 'dummy-' + plugin_name + '.dummy',
+              command: [python, '-c',
+                        'open("@OUTPUT@", "w").write("Nice. I was built before calling in-build-gimp.py\\n")'],
+              build_by_default: true)
 plugin_executables += [plugin_exe.full_path()]

plug-ins/file-ico/meson.build

@@ -30,4 +30,12 @@ plugin_exe = executable(plugin_name,
                         win_subsystem: 'windows',
                         install: true,
                         install_dir: gimpplugindir / 'plug-ins' / plugin_name)
+
+# Ugly trick to add executables to plugin_custom_targets list (see root meson.build)
+plugin_custom_targets += custom_target('dummy-' + plugin_name,
+              input: plugin_exe,
+              output: 'dummy-' + plugin_name + '.dummy',
+              command: [python, '-c',
+                        'open("@OUTPUT@", "w").write("Nice. I was built before calling in-build-gimp.py\\n")'],
+              build_by_default: true)
 plugin_executables += [plugin_exe.full_path()]

plug-ins/file-jpeg/meson.build

@@ -34,4 +34,12 @@ plugin_exe = executable(plugin_name,
                         win_subsystem: 'windows',
                         install: true,
                         install_dir: gimpplugindir / 'plug-ins' / plugin_name)
+
+# Ugly trick to add executables to plugin_custom_targets list (see root meson.build)
+plugin_custom_targets += custom_target('dummy-' + plugin_name,
+              input: plugin_exe,
+              output: 'dummy-' + plugin_name + '.dummy',
+              command: [python, '-c',
+                        'open("@OUTPUT@", "w").write("Nice. I was built before calling in-build-gimp.py\\n")'],
+              build_by_default: true)
 plugin_executables += [plugin_exe.full_path()]

plug-ins/file-psd/meson.build

@@ -36,4 +36,12 @@ plugin_exe = executable(plugin_name,
                         win_subsystem: 'windows',
                         install: true,
                         install_dir: gimpplugindir / 'plug-ins' / plugin_name)
+
+# Ugly trick to add executables to plugin_custom_targets list (see root meson.build)
+plugin_custom_targets += custom_target('dummy-' + plugin_name,
+              input: plugin_exe,
+              output: 'dummy-' + plugin_name + '.dummy',
+              command: [python, '-c',
+                        'open("@OUTPUT@", "w").write("Nice. I was built before calling in-build-gimp.py\\n")'],
+              build_by_default: true)
 plugin_executables += [plugin_exe.full_path()]

plug-ins/file-raw/meson.build

@@ -39,6 +39,14 @@ foreach plugin_name : file_raw_exes
                           win_subsystem: 'windows',
                           install: true,
                           install_dir: gimpplugindir / 'plug-ins' / plugin_name)
+
+  # Ugly trick to add executables to plugin_custom_targets list (see root meson.build)
+  plugin_custom_targets += custom_target('dummy-' + plugin_name,
+              input: plugin_exe,
+              output: 'dummy-' + plugin_name + '.dummy',
+              command: [python, '-c',
+                        'open("@OUTPUT@", "w").write("Nice. I was built before calling in-build-gimp.py\\n")'],
+              build_by_default: true)
   plugin_executables += [plugin_exe.full_path()]
 endforeach
 

plug-ins/file-sgi/meson.build

@@ -25,4 +25,12 @@ plugin_exe = executable(plugin_name,
                         win_subsystem: 'windows',
                         install: true,
                         install_dir: gimpplugindir / 'plug-ins' / plugin_name)
+
+# Ugly trick to add executables to plugin_custom_targets list (see root meson.build)
+plugin_custom_targets += custom_target('dummy-' + plugin_name,
+              input: plugin_exe,
+              output: 'dummy-' + plugin_name + '.dummy',
+              command: [python, '-c',
+                        'open("@OUTPUT@", "w").write("Nice. I was built before calling in-build-gimp.py\\n")'],
+              build_by_default: true)
 plugin_executables += [plugin_exe.full_path()]

plug-ins/file-tiff/meson.build

@@ -31,4 +31,12 @@ plugin_exe = executable(plugin_name,
                         win_subsystem: 'windows',
                         install: true,
                         install_dir: gimpplugindir / 'plug-ins' / plugin_name)
+
+# Ugly trick to add executables to plugin_custom_targets list (see root meson.build)
+plugin_custom_targets += custom_target('dummy-' + plugin_name,
+              input: plugin_exe,
+              output: 'dummy-' + plugin_name + '.dummy',
+              command: [python, '-c',
+                        'open("@OUTPUT@", "w").write("Nice. I was built before calling in-build-gimp.py\\n")'],
+              build_by_default: true)
 plugin_executables += [plugin_exe.full_path()]

plug-ins/file-webp/meson.build

@@ -33,6 +33,14 @@ plugin_exe = executable(plugin_name,
                         win_subsystem: 'windows',
                         install: true,
                         install_dir: gimpplugindir / 'plug-ins' / plugin_name)
+
+# Ugly trick to add executables to plugin_custom_targets list (see root meson.build)
+plugin_custom_targets += custom_target('dummy-' + plugin_name,
+              input: plugin_exe,
+              output: 'dummy-' + plugin_name + '.dummy',
+              command: [python, '-c',
+                        'open("@OUTPUT@", "w").write("Nice. I was built before calling in-build-gimp.py\\n")'],
+              build_by_default: true)
 plugin_executables += [plugin_exe.full_path()]
 
 endif

plug-ins/filter-browser/meson.build

@@ -26,4 +26,12 @@ plugin_exe = executable(plugin_name,
                         win_subsystem: 'windows',
                         install: true,
                         install_dir: gimpplugindir / 'plug-ins' / plugin_name)
+
+# Ugly trick to add executables to plugin_custom_targets list (see root meson.build)
+plugin_custom_targets += custom_target('dummy-' + plugin_name,
+              input: plugin_exe,
+              output: 'dummy-' + plugin_name + '.dummy',
+              command: [python, '-c',
+                        'open("@OUTPUT@", "w").write("Nice. I was built before calling in-build-gimp.py\\n")'],
+              build_by_default: true)
 plugin_executables += [plugin_exe.full_path()]

plug-ins/flame/meson.build

@@ -30,4 +30,12 @@ plugin_exe = executable(plugin_name,
                         win_subsystem: 'windows',
                         install: true,
                         install_dir: gimpplugindir / 'plug-ins' / plugin_name)
+
+# Ugly trick to add executables to plugin_custom_targets list (see root meson.build)
+plugin_custom_targets += custom_target('dummy-' + plugin_name,
+              input: plugin_exe,
+              output: 'dummy-' + plugin_name + '.dummy',
+              command: [python, '-c',
+                        'open("@OUTPUT@", "w").write("Nice. I was built before calling in-build-gimp.py\\n")'],
+              build_by_default: true)
 plugin_executables += [plugin_exe.full_path()]

plug-ins/fractal-explorer/meson.build

@@ -30,4 +30,12 @@ plugin_exe = executable(plugin_name,
                         win_subsystem: 'windows',
                         install: true,
                         install_dir: gimpplugindir / 'plug-ins' / plugin_name)
+
+# Ugly trick to add executables to plugin_custom_targets list (see root meson.build)
+plugin_custom_targets += custom_target('dummy-' + plugin_name,
+              input: plugin_exe,
+              output: 'dummy-' + plugin_name + '.dummy',
+              command: [python, '-c',
+                        'open("@OUTPUT@", "w").write("Nice. I was built before calling in-build-gimp.py\\n")'],
+              build_by_default: true)
 plugin_executables += [plugin_exe.full_path()]

plug-ins/gfig/meson.build

@@ -50,4 +50,12 @@ plugin_exe = executable(plugin_name,
                         win_subsystem: 'windows',
                         install: true,
                         install_dir: gimpplugindir / 'plug-ins' / plugin_name)
+
+# Ugly trick to add executables to plugin_custom_targets list (see root meson.build)
+plugin_custom_targets += custom_target('dummy-' + plugin_name,
+              input: plugin_exe,
+              output: 'dummy-' + plugin_name + '.dummy',
+              command: [python, '-c',
+                        'open("@OUTPUT@", "w").write("Nice. I was built before calling in-build-gimp.py\\n")'],
+              build_by_default: true)
 plugin_executables += [plugin_exe.full_path()]

plug-ins/gimpressionist/meson.build

@@ -54,4 +54,12 @@ plugin_exe = executable(plugin_name,
                         win_subsystem: 'windows',
                         install: true,
                         install_dir: gimpplugindir / 'plug-ins' / plugin_name)
+
+# Ugly trick to add executables to plugin_custom_targets list (see root meson.build)
+plugin_custom_targets += custom_target('dummy-' + plugin_name,
+              input: plugin_exe,
+              output: 'dummy-' + plugin_name + '.dummy',
+              command: [python, '-c',
+                        'open("@OUTPUT@", "w").write("Nice. I was built before calling in-build-gimp.py\\n")'],
+              build_by_default: true)
 plugin_executables += [plugin_exe.full_path()]

plug-ins/gradient-flare/meson.build

@@ -29,4 +29,12 @@ plugin_exe = executable(plugin_name,
                         win_subsystem: 'windows',
                         install: true,
                         install_dir: gimpplugindir / 'plug-ins' / plugin_name)
+
+# Ugly trick to add executables to plugin_custom_targets list (see root meson.build)
+plugin_custom_targets += custom_target('dummy-' + plugin_name,
+              input: plugin_exe,
+              output: 'dummy-' + plugin_name + '.dummy',
+              command: [python, '-c',
+                        'open("@OUTPUT@", "w").write("Nice. I was built before calling in-build-gimp.py\\n")'],
+              build_by_default: true)
 plugin_executables += [plugin_exe.full_path()]

plug-ins/help-browser/meson.build

@@ -40,6 +40,14 @@ plugin_exe = executable(plugin_name,
                         win_subsystem: 'windows',
                         install: true,
                         install_dir: gimpplugindir / 'plug-ins' / plugin_name)
+
+# Ugly trick to add executables to plugin_custom_targets list (see root meson.build)
+plugin_custom_targets += custom_target('dummy-' + plugin_name,
+              input: plugin_exe,
+              output: 'dummy-' + plugin_name + '.dummy',
+              command: [python, '-c',
+                        'open("@OUTPUT@", "w").write("Nice. I was built before calling in-build-gimp.py\\n")'],
+              build_by_default: true)
 plugin_executables += [plugin_exe.full_path()]
 
 endif

plug-ins/help/meson.build

@@ -45,4 +45,12 @@ plugin_exe = executable(plugin_name,
                         win_subsystem: 'windows',
                         install: true,
                         install_dir: gimpplugindir / 'plug-ins' / plugin_name)
+
+# Ugly trick to add executables to plugin_custom_targets list (see root meson.build)
+plugin_custom_targets += custom_target('dummy-' + plugin_name,
+              input: plugin_exe,
+              output: 'dummy-' + plugin_name + '.dummy',
+              command: [python, '-c',
+                        'open("@OUTPUT@", "w").write("Nice. I was built before calling in-build-gimp.py\\n")'],
+              build_by_default: true)
 plugin_executables += [plugin_exe.full_path()]

plug-ins/ifs-compose/meson.build

@@ -34,4 +34,12 @@ plugin_exe = executable(plugin_name,
                         win_subsystem: 'windows',
                         install: true,
                         install_dir: gimpplugindir / 'plug-ins' / plugin_name)
+
+# Ugly trick to add executables to plugin_custom_targets list (see root meson.build)
+plugin_custom_targets += custom_target('dummy-' + plugin_name,
+              input: plugin_exe,
+              output: 'dummy-' + plugin_name + '.dummy',
+              command: [python, '-c',
+                        'open("@OUTPUT@", "w").write("Nice. I was built before calling in-build-gimp.py\\n")'],
+              build_by_default: true)
 plugin_executables += [plugin_exe.full_path()]

plug-ins/imagemap/meson.build

@@ -153,4 +153,12 @@ plugin_exe = executable(plugin_name,
                         win_subsystem: 'windows',
                         install: true,
                         install_dir: gimpplugindir / 'plug-ins' / plugin_name)
+
+# Ugly trick to add executables to plugin_custom_targets list (see root meson.build)
+plugin_custom_targets += custom_target('dummy-' + plugin_name,
+              input: plugin_exe,
+              output: 'dummy-' + plugin_name + '.dummy',
+              command: [python, '-c',
+                        'open("@OUTPUT@", "w").write("Nice. I was built before calling in-build-gimp.py\\n")'],
+              build_by_default: true)
 plugin_executables += [plugin_exe.full_path()]

plug-ins/lighting/meson.build

@@ -35,4 +35,12 @@ plugin_exe = executable(plugin_name,
                         win_subsystem: 'windows',
                         install: true,
                         install_dir: gimpplugindir / 'plug-ins' / plugin_name)
+
+# Ugly trick to add executables to plugin_custom_targets list (see root meson.build)
+plugin_custom_targets += custom_target('dummy-' + plugin_name,
+              input: plugin_exe,
+              output: 'dummy-' + plugin_name + '.dummy',
+              command: [python, '-c',
+                        'open("@OUTPUT@", "w").write("Nice. I was built before calling in-build-gimp.py\\n")'],
+              build_by_default: true)
 plugin_executables += [plugin_exe.full_path()]

plug-ins/map-object/meson.build

@@ -35,4 +35,12 @@ plugin_exe = executable(plugin_name,
                         win_subsystem: 'windows',
                         install: true,
                         install_dir: gimpplugindir / 'plug-ins' / plugin_name)
+
+# Ugly trick to add executables to plugin_custom_targets list (see root meson.build)
+plugin_custom_targets += custom_target('dummy-' + plugin_name,
+              input: plugin_exe,
+              output: 'dummy-' + plugin_name + '.dummy',
+              command: [python, '-c',
+                        'open("@OUTPUT@", "w").write("Nice. I was built before calling in-build-gimp.py\\n")'],
+              build_by_default: true)
 plugin_executables += [plugin_exe.full_path()]

plug-ins/metadata/meson.build

@@ -36,6 +36,14 @@ plugin_exe = executable(plugin_name,
                         win_subsystem: 'windows',
                         install: true,
                         install_dir: gimpplugindir / 'plug-ins' / plugin_name)
+
+# Ugly trick to add executables to plugin_custom_targets list (see root meson.build)
+plugin_custom_targets += custom_target('dummy-' + plugin_name,
+              input: plugin_exe,
+              output: 'dummy-' + plugin_name + '.dummy',
+              command: [python, '-c',
+                        'open("@OUTPUT@", "w").write("Nice. I was built before calling in-build-gimp.py\\n")'],
+              build_by_default: true)
 plugin_executables += [plugin_exe.full_path()]
 
 ###############################################################################
@@ -85,4 +93,12 @@ plugin_exe = executable(plugin_name,
                         win_subsystem: 'windows',
                         install: true,
                         install_dir: gimpplugindir / 'plug-ins' / plugin_name)
+
+# Ugly trick to add executables to plugin_custom_targets list (see root meson.build)
+plugin_custom_targets += custom_target('dummy-' + plugin_name,
+              input: plugin_exe,
+              output: 'dummy-' + plugin_name + '.dummy',
+              command: [python, '-c',
+                        'open("@OUTPUT@", "w").write("Nice. I was built before calling in-build-gimp.py\\n")'],
+              build_by_default: true)
 plugin_executables += [plugin_exe.full_path()]

plug-ins/pagecurl/meson.build

@@ -60,4 +60,12 @@ plugin_exe = executable(plugin_name,
                         win_subsystem: 'windows',
                         install: true,
                         install_dir: gimpplugindir / 'plug-ins' / plugin_name)
+
+# Ugly trick to add executables to plugin_custom_targets list (see root meson.build)
+plugin_custom_targets += custom_target('dummy-' + plugin_name,
+              input: plugin_exe,
+              output: 'dummy-' + plugin_name + '.dummy',
+              command: [python, '-c',
+                        'open("@OUTPUT@", "w").write("Nice. I was built before calling in-build-gimp.py\\n")'],
+              build_by_default: true)
 plugin_executables += [plugin_exe.full_path()]

plug-ins/print/meson.build

@@ -33,6 +33,14 @@ plugin_exe = executable(plugin_name,
                         win_subsystem: 'windows',
                         install: true,
                         install_dir: gimpplugindir / 'plug-ins' / plugin_name)
+
+# Ugly trick to add executables to plugin_custom_targets list (see root meson.build)
+plugin_custom_targets += custom_target('dummy-' + plugin_name,
+              input: plugin_exe,
+              output: 'dummy-' + plugin_name + '.dummy',
+              command: [python, '-c',
+                        'open("@OUTPUT@", "w").write("Nice. I was built before calling in-build-gimp.py\\n")'],
+              build_by_default: true)
 plugin_executables += [plugin_exe.full_path()]
 
 endif

plug-ins/screenshot/meson.build

@@ -39,7 +39,7 @@ if platform_windows
   plugin_sources += windows.compile_resources('screenshot-win32.rc')
 endif
 
-screenshot = executable('screenshot',
+plugin_exe = executable('screenshot',
                         plugin_sources,
                         dependencies: [
                           libgimpui_dep,
@@ -48,4 +48,12 @@ screenshot = executable('screenshot',
                         win_subsystem: 'windows',
                         install: true,
                         install_dir: gimpplugindir / 'plug-ins' / plugin_name)
-plugin_executables += [screenshot.full_path()]
+
+# Ugly trick to add executables to plugin_custom_targets list (see root meson.build)
+plugin_custom_targets += custom_target('dummy-' + plugin_name,
+              input: plugin_exe,
+              output: 'dummy-' + plugin_name + '.dummy',
+              command: [python, '-c',
+                        'open("@OUTPUT@", "w").write("Nice. I was built before calling in-build-gimp.py\\n")'],
+              build_by_default: true)
+plugin_executables += [plugin_exe.full_path()]

plug-ins/script-fu/interpreter/meson.build

@@ -41,5 +41,13 @@ if not meson.is_cross_build()
                                      link_with : libscriptfu,
                                      win_subsystem: 'windows',
                                      install: true)
+
+  # Ugly trick to add executables to plugin_custom_targets list (see root meson.build)
+  plugin_custom_targets += custom_target('dummy-' + plugin_name,
+              input: plugin_exe,
+              output: 'dummy-' + plugin_name + '.dummy',
+              command: [python, '-c',
+                        'open("@OUTPUT@", "w").write("Nice. I was built before calling in-build-gimp.py\\n")'],
+              build_by_default: true)
   plugin_executables += [plugin_exe.full_path()]
 endif

plug-ins/script-fu/meson.build

@@ -86,5 +86,13 @@ if not meson.is_cross_build()
                           win_subsystem: 'windows',
                           install: true,
                           install_dir: gimpplugindir / 'plug-ins' / plugin_name)
+
+  # Ugly trick to add executables to plugin_custom_targets list (see root meson.build)
+  plugin_custom_targets += custom_target('dummy-' + plugin_name,
+                input: plugin_exe,
+                output: 'dummy-' + plugin_name + '.dummy',
+                command: [python, '-c',
+                          'open("@OUTPUT@", "w").write("Nice. I was built before calling in-build-gimp.py\\n")'],
+                build_by_default: true)
   plugin_executables += [plugin_exe.full_path()]
 endif

plug-ins/selection-to-path/meson.build

@@ -30,10 +30,18 @@ plugin_selection_to_path_deps = [
   math,
 ]
 
-selection_to_path = executable(plugin_name,
-                               plugin_sources,
-                               dependencies: plugin_selection_to_path_deps,
-                               win_subsystem: 'windows',
-                               install: true,
-                               install_dir: gimpplugindir / 'plug-ins' / plugin_name)
-plugin_executables += [selection_to_path.full_path()]
+plugin_exe = executable(plugin_name,
+                        plugin_sources,
+                        dependencies: plugin_selection_to_path_deps,
+                        win_subsystem: 'windows',
+                        install: true,
+                        install_dir: gimpplugindir / 'plug-ins' / plugin_name)
+
+# Ugly trick to add executables to plugin_custom_targets list (see root meson.build)
+plugin_custom_targets += custom_target('dummy-' + plugin_name,
+              input: plugin_exe,
+              output: 'dummy-' + plugin_name + '.dummy',
+              command: [python, '-c',
+                        'open("@OUTPUT@", "w").write("Nice. I was built before calling in-build-gimp.py\\n")'],
+              build_by_default: true)
+plugin_executables += [plugin_exe.full_path()]

plug-ins/twain/meson.build

@@ -33,4 +33,12 @@ twain = executable(plugin_name,
                    win_subsystem: 'windows',
                    install: true,
                    install_dir: gimpplugindir / 'plug-ins' / plugin_name)
+
+# Ugly trick to add executables to plugin_custom_targets list (see root meson.build)
+plugin_custom_targets += custom_target('dummy-' + plugin_name,
+              input: plugin_exe,
+              output: 'dummy-' + plugin_name + '.dummy',
+              command: [python, '-c',
+                        'open("@OUTPUT@", "w").write("Nice. I was built before calling in-build-gimp.py\\n")'],
+              build_by_default: true)
 plugin_executables += [twain.full_path()]