cmake: Add a desktop file.

CMakeLists.txt

@@ -2188,6 +2188,12 @@ if(IOS)
 	)
 endif()
 
+configure_file(
+	"${CMAKE_SOURCE_DIR}/ppsspp.desktop.in"
+	"${CMAKE_BINARY_DIR}/ppsspp.desktop"
+	@ONLY
+)
+
 install(
 	TARGETS ${TargetBin}
 	DESTINATION "${CMAKE_INSTALL_BINDIR}"
@@ -2197,6 +2203,11 @@ install(
 	DESTINATION "${CMAKE_INSTALL_DATADIR}/ppsspp"
 	PATTERN ".git*" EXCLUDE
 )
+install(
+	FILES "${CMAKE_BINARY_DIR}/ppsspp.desktop"
+	DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/applications"
+	RENAME ${TargetBin}.desktop
+)
 install(
 	DIRECTORY "${CMAKE_SOURCE_DIR}/icons/hicolor"
 	DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/icons"

ppsspp.desktop.in

@@ -0,0 +1,7 @@
+[Desktop Entry]
+Name=@TargetBin@
+Exec=@TargetBin@
+Icon=ppsspp
+Type=Application
+Comment=ppsspp (fast and portable PSP emulator)
+Categories=Game