use reverse-DNS naming for installing *.desktop files

This is similar to and consistent with the previous commit, and the
desktop entry specification recommends doing this as well.

configure.ac

@@ -168,22 +168,22 @@ rpm.spec
 data/Makefile
 src/Makefile
 src/Doom.metainfo.xml
-src/doom.desktop
-src/doom-screensaver.desktop
+src/Doom.desktop
+src/Doom_Screensaver.desktop
 src/doom/Makefile
 src/Heretic.metainfo.xml
-src/heretic.desktop
+src/Heretic.desktop
 src/heretic/Makefile
 src/Hexen.metainfo.xml
-src/hexen.desktop
+src/Hexen.desktop
 src/hexen/Makefile
 src/resource.rc
 src/setup-res.rc
 src/setup/Makefile
-src/setup/setup.desktop
+src/setup/Setup.desktop
 src/setup/setup-manifest.xml
 src/Strife.metainfo.xml
-src/strife.desktop
+src/Strife.desktop
 src/strife/Makefile
 textscreen/Makefile
 textscreen/examples/Makefile

src/Makefile.am

@@ -217,7 +217,7 @@ endif
 EXTRA_DIST =                        \
         CMakeLists.txt              \
         icon.c                      \
-        doom-screensaver.desktop.in \
+        Doom_Screensaver.desktop.in \
         manifest.xml
 
 metainfodir = $(prefix)/share/metainfo
@@ -241,28 +241,28 @@ metainfo_DATA =                             \
 
 appdir = $(prefix)/share/applications
 app_DATA =                                 \
-           @PROGRAM_PREFIX@doom.desktop    \
-           @PROGRAM_PREFIX@heretic.desktop \
-           @PROGRAM_PREFIX@hexen.desktop   \
-           @PROGRAM_PREFIX@strife.desktop
+           @PACKAGE_RDNS@.Doom.desktop    \
+           @PACKAGE_RDNS@.Heretic.desktop \
+           @PACKAGE_RDNS@.Hexen.desktop   \
+           @PACKAGE_RDNS@.Strife.desktop
 
-@PROGRAM_PREFIX@doom.desktop : doom.desktop
-	cp doom.desktop $@
+@PACKAGE_RDNS@.Doom.desktop : Doom.desktop
+	cp Doom.desktop $@
 
-@PROGRAM_PREFIX@heretic.desktop : heretic.desktop
-	cp heretic.desktop $@
+@PACKAGE_RDNS@.Heretic.desktop : Heretic.desktop
+	cp Heretic.desktop $@
 
-@PROGRAM_PREFIX@hexen.desktop : hexen.desktop
-	cp hexen.desktop $@
+@PACKAGE_RDNS@.Hexen.desktop : Hexen.desktop
+	cp Hexen.desktop $@
 
-@PROGRAM_PREFIX@strife.desktop : strife.desktop
-	cp strife.desktop $@
+@PACKAGE_RDNS@.Strife.desktop : Strife.desktop
+	cp Strife.desktop $@
 
 screensaverdir = $(prefix)/share/applications/screensavers
-screensaver_DATA = @PROGRAM_PREFIX@doom-screensaver.desktop
+screensaver_DATA = @PACKAGE_RDNS@.Doom_Screensaver.desktop
 
-@PROGRAM_PREFIX@doom-screensaver.desktop: doom-screensaver.desktop
-	cp doom-screensaver.desktop $@
+@PACKAGE_RDNS@.Doom_Screensaver.desktop: Doom_Screensaver.desktop
+	cp Doom_Screensaver.desktop $@
 
 CLEANFILES = $(execgames_SCRIPTS) $(app_DATA) $(screensaver_DATA)
 

src/setup/Makefile.am

@@ -26,12 +26,12 @@ EXTRA_DIST=                                     \
     setup_icon.c
 
 appdir = $(prefix)/share/applications
-app_DATA = @PROGRAM_PREFIX@setup.desktop
+app_DATA = @PACKAGE_RDNS@.Setup.desktop
 
 CLEANFILES = $(app_DATA)
 
-@PROGRAM_PREFIX@setup.desktop : setup.desktop
-	cp setup.desktop $@
+@PACKAGE_RDNS@.Setup.desktop : Setup.desktop
+	cp Setup.desktop $@
 
 if HAVE_PYTHON