Remove the possibility to create an App Bundle for macOS (#357)

Makefile.am

@@ -123,15 +123,6 @@ doc:
 
 .PHONY: doc
 
-if ENABLE_APP_BUNDLE
-dmg: install
-	$(MAKE) -C data/MacOSX $@
-else
-dmg:
-	@echo "You have to run './configure --enable-app-bundle' first!"; false
-endif
-.PHONY: dmg
-
 .NOTPARALLEL: install
 
 # remove pkgdatadir and docdir (if empty)

configure.ac

@@ -713,32 +713,6 @@ ENABLE_AUTO([isatty], [support for isatty()],
   AC_SEARCH_LIBS([isatty], , , [have_isatty=no])
 ])
 
-dnl trying to mimic the default setting
-pkgdatadir="\$(datadir)/$PACKAGE"
-
-ENABLE_EXPLICIT([app-bundle], [creation of a MacOSX application bundle],
-[
-  AC_CHECK_PROG([have_dylibbundler], [dylibbundler], [yes], [no])
-  AS_IF([test x$enable_app_bundle = xyes -o x$enable_app_bundle = x],
-    [DMG_NAME=SoundScapeRenderer-$PACKAGE_VERSION.dmg],
-    [DMG_NAME=$enable_app_bundle])
-  dmgrootdir=$(pwd)/MacOSX-App-Bundle
-  bundledir=\${dmgrootdir}/SoundScapeRenderer-$PACKAGE_VERSION
-
-  dnl WARNING: any user-specified --prefix, --bindir, ... is overwritten!
-  dnl however, it can still be specified at make time (although kinda useless)!
-  prefix=\${bundledir}/SoundScapeRenderer.app/Contents
-  bindir=\${exec_prefix}/MacOS
-  datarootdir=\${prefix}/Resources
-  pkgdatadir="\$(datadir)"
-  docdir=${bundledir}/Documentation
-
-  dnl linker flag to add space to the output file header padding,
-  dnl so when dylibbundler is changing paths to shared libs later on,
-  dnl longer paths will fit in too.
-  LDFLAGS="$LDFLAGS -headerpad_max_install_names"
-])
-
 ENABLE_AUTO([browser-gui], [creation of HTML/JavaScript files for browser GUI],
 [
   AC_ARG_VAR([YARN], [Yarn package manager command])
@@ -760,21 +734,14 @@ ENABLE_AUTO([browser-gui], [creation of HTML/JavaScript files for browser GUI],
   ])
 ])
 
-AC_SUBST(DMG_NAME)
-AC_SUBST(dmgrootdir)
-AC_SUBST(bundledir)
-AC_SUBST(pkgdatadir)
-
 AC_SUBST(OPT_FLAGS)
 AC_SUBST(PKG_FLAGS)
 AC_SUBST(WARNING_FLAGS)
 AC_SUBST(DEBUGGING_FLAGS)
 
 dnl List of output files generated by AC_OUTPUT from their respective *.in files
 AC_CONFIG_FILES([Makefile src/Makefile man/Makefile browser-gui/Makefile])
-AC_CONFIG_FILES([tests/Makefile])
-AC_CONFIG_FILES([data/Makefile data/MacOSX/Makefile])
-AC_CONFIG_FILES([data/MacOSX/Info.plist data/MacOSX/DMG-Layout.applescript])
+AC_CONFIG_FILES([tests/Makefile data/Makefile])
 
 dnl AC_OUTPUT should be the last command (except maybe some status messages)
 dnl It generates and runs config.status, which in turn creates the Makefiles and
@@ -834,13 +801,7 @@ echo "| Network: legacy/WebSocket/FUDI ......... : $have_ip_interface/$have_webs
 echo "| Qt GUI/Browser GUI ..................... : $have_gui/$have_browser_gui"
 echo "|"
 echo "| Enable debugging/optimization .......... : $have_debugging/$have_optimization"
-AS_IF([test x$have_app_bundle = xyes],
-[
-echo "| Mac OS X application bundle (disk image) : $DMG_NAME"
-],
-[
 echo "| Install prefix ......................... : $prefix"
-])
 
 AS_IF([test x$have_ecasound = xyes -a x$have_ecasound_program != xyes],
 [
@@ -854,20 +815,8 @@ AS_IF([test x$have_manpages != xyes],
   echo "|>  WARNING: help2man was not found!"
   echo "|>  Disabling building of manpages"
 ])
-AS_IF([test x$have_app_bundle = xyes -a x$have_dylibbundler != xyes],
-[
-  echo "|"
-  echo "|>  WARNING: dylibbundler was not found!"
-  echo "|>  It is needed for creating the app bundle."
-])
 
 echo "|"
 echo
-AS_IF([test x$have_app_bundle = xyes],
-[
-echo 'If everything looks OK, continue with "make" and "make dmg".'
-],
-[
 echo 'If everything looks OK, continue with "make" and "make install".'
-])
 echo