bin/ First pass at meson build

This involves a lot of configuring files with various shebangs.

We're probably really over-complicating this.

bin/meson.build

@@ -0,0 +1,79 @@
+perl_config = configuration_data()
+perl_config.set('PERL', perl.full_path())
+perl_config.set_quoted('VERSION', meson.project_version())
+perl_config.set_quoted('datadir', datadir + '/' + meson.project_name())
+perl_config.set_quoted('datarootdir', datadir)
+perl_config.set_quoted('FVWM_PERLLIBDIR',  datadir + '/' + meson.project_name() + '/perllib')
+perl_config.set_quoted('prefix', prefix)
+perl_config.set_quoted('SED', find_program('sed').full_path())
+perl_config.set_quoted('VERSIONINFO', meson.project_version())
+
+python_config = configuration_data()
+# Since we only support python3 now anyway, we should consider dropping this.
+python_config.set('PYTHON', py.full_path())
+python_config.set_quoted('VERSION', meson.project_version())
+
+# We only install FvwmCommand for non-golang builds.
+# Since this isn't currently configurable, we'll just check for the presence of golang
+# at build time. Not ideal, but we should probably drop FvwmCommand anyway.
+if golang.found()
+  subdir('FvwmPrompt')
+else
+    FvwmCommand = configure_file(
+                                input: 'FvwmCommand.in',
+                                output: 'FvwmCommand',
+                                configuration: python_config,
+                                install: true,
+                                install_dir: bindir,
+                                )
+endif
+
+# We should tighten up the dependencies here, but for now we'll just use all_found_deps.
+fvwm_root = executable('fvwm-root',
+                       'fvwm-root.c',
+                       include_directories: [lib_includes, fvwm_includes],
+                       link_with: libraries,
+                       dependencies: all_found_deps)
+
+fvwm_perllib = configure_file(
+                            input: 'fvwm-perllib.in',
+                            output: 'fvwm-perllib',
+                            configuration: perl_config,
+                            install: true,
+                            install_dir: bindir,
+                            )
+
+fvwm_convert = configure_file(
+                             input: 'fvwm-convert-2.6.in',
+                             output: 'fvwm-convert-2.6',
+                             configuration: perl_config,
+                             install: true,
+                             install_dir: bindir,
+                             )
+
+fvwm_menu_xlock = configure_file(
+                                input: 'fvwm-menu-xlock.in',
+                                output: 'fvwm-menu-xlock',
+                                configuration: perl_config,
+                                install: true,
+                                install_dir: bindir,
+                                )
+
+fvwm_menu_directory = configure_file(
+                                    input: 'fvwm-menu-directory.in',
+                                    output: 'fvwm-menu-directory',
+                                    configuration: perl_config,
+                                    install: true,
+                                    install_dir: bindir,
+                                    )
+
+fvwm_menu_desktop = configure_file(
+                                  input: 'fvwm-menu-desktop.in',
+                                  output: 'fvwm-menu-desktop',
+                                  configuration: python_config,
+                                  install: true,
+                                  install_dir: bindir,
+                                  )
+
+config_data = install_data('fvwm-menu-desktop-config.fpl',
+                           install_dir: datadir + '/' + meson.project_name())