[BUILD] Added targetsuffix "_Linux" or "_OSX" to distinguish pure exe…

…cutables

No need to add one for Game.app which is clearly for OSX
Adapted Travis script

.travis.yml

@@ -54,7 +54,7 @@ jobs:
         - PREMAKE_GENERATOR=gmake
         # make with g++ build will represent Linux to deploy release
         - DEPLOY=true
-        - DEPLOY_FILE=build/linux_Release/bin/Game
+        - DEPLOY_FILE=build/linux_Release/bin/Game_Linux
       addons:
         apt:
           packages:
@@ -177,7 +177,6 @@ deploy:
   - provider: releases
     api_key:
       secure: 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
-    # currently, both Linux & OSX generate a pure executable `Game` (and not Game.app on OSX)
     file: ${DEPLOY_FILE}
     # ignore travis lint warning, the new `cleanup` is not working yet
     skip_cleanup: true

premake5.lua

@@ -50,6 +50,9 @@ project "Game"
         frameworkdirs {"engine/third-party/SFML/extlibs/libs-osx/Frameworks"}
 
     filter { "system:macosx", "action:gmake*"}
+        -- both OSX and Linux can generate extensionless executables, so add a suffix to distinguish them
+        targetsuffix "_OSX"
+
         -- unlike ...dirs {}, linkoptions does not interpret paths
         -- so we must enter them relatively to location "build", hence "../"
         linkoptions {"-F ../engine/third-party/SFML/extlibs/libs-osx/Frameworks"}
@@ -72,6 +75,9 @@ project "Game"
         }
 
     filter { "system:linux" }
+        -- both OSX and Linux can generate extensionless executables, so add a suffix to distinguish them
+        targetsuffix "_Linux"
+
         -- on Linux, we basically use the list on https://www.sfml-dev.org/tutorials/2.5/compile-with-cmake.php
         -- without freetype, changing opengl -> GL (to have GLX functions) and uppercase FLAC
         -- they must be installed locally on the machine