Install icons for linux version (and appimage)

Makefile.am

@@ -6,3 +6,24 @@ SUBDIRS = docs dosbox glob src
 
 EXTRA_DIST = copying.txt soundfx.zzm bootstrap.sh
 pkgdata_DATA = soundfx.zzm
+
+#if FREEDESKTOP
+desktopdir = $(datadir)/applications
+desktop_DATA = inst/platform/linux/kevedit.desktop
+
+ICON_SIZES = 16 32 128 256 512
+
+install-icons:
+	for size in $(ICON_SIZES); do \
+		mkdir -p $(datadir)/icons/hicolor/$${size}x$${size}/apps; \
+		$(INSTALL_DATA) $(srcdir)/inst/icon$${size}.png $(datadir)/icons/hicolor/$${size}x$${size}/apps/kevedit.png; \
+	done
+
+uninstall-icons:
+	for size in $(ICON_SIZES); do \
+		rm -f $(datadir)/icons/hicolor/$${size}x$${size}/apps/kevedit.png; \
+	done
+
+install-data-local: install-icons
+uninstall-local: uninstall-icons
+#endif

configure.ac

@@ -74,15 +74,37 @@ case "$host" in
 esac
 
 
+AC_MSG_CHECKING(for macOS)
+case "$host" in
+	*darwin*)
+		AC_DEFINE(MACOS, [1], [Define to 1 if host is macOS])
+		AC_MSG_RESULT(yes)
+		;;
+	*)
+		AC_MSG_RESULT(no)
+		;;
+esac
+
 AC_ARG_WITH(dosbox, AC_HELP_STRING([--without-dosbox],[include DOSBox emulation support]),dosbox=$withval,dosbox=maybe)
 if test "$dosbox" == "maybe"; then
-	if test -n "$WINDOWS32" || test -n "$DOS"; then
-		AC_MSG_NOTICE(DOS/Windows: Not enabling DOSBox support)
+	if test -n "$DOS"; then
+		AC_MSG_NOTICE(DOS: Not enabling DOSBox support)
 	else
-		AC_MSG_NOTICE(Non-DOS/Windows: Enabling DOSBox support)
+		AC_MSG_NOTICE(Non-DOS: Enabling DOSBox support)
 		dosbox=yes
 	fi
 fi
+AM_CONDITIONAL([FREEDESKTOP], [test "$freedesktop" = "yes"])
+
+AC_ARG_WITH(freedesktop, AC_HELP_STRING([--with-freedesktop],[install desktop file and icons for GNOME/KDE]),freedesktop=$withval,freedesktop=maybe)
+if test "$freedesktop" == "maybe"; then
+    if test -n "$WINDOWS32" || test -n "$DOS" || test -n "$MACOS"; then
+                AC_MSG_NOTICE(DOS/Windows/Mac: Not installing desktop file and icons)
+        else
+                AC_MSG_NOTICE(Non-DOS/Windows/Mac: Installing desktop file and icons)
+                freedesktop=yes
+        fi
+fi
 
 if test "$dosbox" == "yes"; then
 	AC_CHECK_PROG(MKISOFS, mkisofs, mkisofs)

inst/platform/linux/build_linux.sh

@@ -8,9 +8,7 @@ if [ -z "$SOURCE" ]; then
 fi
 
 rm -rf /work/appdir
-mkdir /work/appdir
-cp -a /platform/linux/KevEdit.AppDir /work/appdir
-cp /vendor/AppRun-x86_64 /work/appdir/KevEdit.AppDir/AppRun
+mkdir -p /work/appdir/KevEdit.AppDir
 
 rm -rf /work/kevedit
 mkdir /work/kevedit
@@ -27,5 +25,9 @@ automake --add-missing
 make
 make install
 
+cp -a /platform/linux/kevedit.desktop /work/appdir/KevEdit.AppDir/
+cp -a /work/kevedit/inst/icon512.png /work/appdir/KevEdit.AppDir/kevedit.png
+cp /vendor/AppRun-x86_64 /work/appdir/KevEdit.AppDir/AppRun
+
 mkdir -p /work/appdir/KevEdit.AppDir/usr/lib
 cp -a /usr/local/lib/libSDL2*.so* /work/appdir/KevEdit.AppDir/usr/lib/

inst/platform/linux/kevedit.desktop

@@ -0,0 +1,10 @@
+[Desktop Entry]
+Version=1.0
+Encoding=UTF-8
+Name=KevEdit
+Comment=ZZT Editor
+Exec=kevedit
+Icon=kevedit
+Terminal=false
+Type=Application
+StartupNotify=false