update SDL2 example compilation with Gradle

README.md

@@ -146,19 +146,39 @@ How to run (PowerShell + VS 2013):
     restore C++ REST SDK
     CTRL+F5 to run the project
 
-Simple DirectMedia Layer 2
---------------------------
+## Simple DirectMedia Layer 2
 
 SDL2 is multiplatform library suitable for developing applications like games.
-Example is based on SDL2.
-You can download version for Visual Studio at: http://libsdl.org/release/SDL2-devel-2.0.1-VC.zip
-This library is also available in all common Linux ditributions.
+You can use Gradle to build SDL2 examples.
 
-How to run (PowerShell + VS 2013):
+### Preparing dependencies for Windows
 
-    cd sdl
-    .\DownloadLibrary.ps1
-    ii .\sdl2-sample.sln
+Root project contains reference to SDL2 library. Type:
+
+    gradle prepare
+
+It will download Windows version of SDL2 library for all projects.
+Libraries will be placed in directory build.
+Now you can build earch of subprojects.
+
+### 01-sdl2-init
+
+Simple example - init and quit SDL.
+How to build:
+
+    gradle clean mainExecutable
+
+Shorter version:
+
+    gradle clean mE
+
+It is possible to generate project for Visual Studio:
+
+    gradle mainVisualStudio
+
+Compiled binary will be stored in:
+
+    build\binaries\mainExecutable
 
 node
 ----

sdl/01-sdl2-init/build.gradle

@@ -19,7 +19,8 @@ executables {
     main {
         binaries.all {
             if (toolChain in VisualCpp) {
-                linker.args "/machine:X86", "/SUBSYSTEM:WINDOWS", "../build/SDL2-2.0.3/lib/x86/SDL2.lib"
+                cCompiler.args "/MD"
+                linker.args "/SUBSYSTEM:CONSOLE", "/LIBPATH:../build/SDL2-2.0.3/lib/x86/", "SDL2main.lib", "SDL2.lib"
                 //linker.args "/SUBSYSTEM:WINDOWS", "/LIBPATH:../build/SDL2-2.0.3/lib/x86/", "SDL2.lib"
             }
         }

sdl/01-sdl2-init/src/main/c/sdl-init.c

@@ -1,11 +1,10 @@
-// sdl2-sample.cpp : SDL2 example - initialize and quit
-//
+// SDL2 example - initialize and quit
 
 #include "SDL.h"
 
-int main(int argc, char* argv[]) {
-    SDL_Init(SDL_INIT_EVERYTHING);	
+int main(int argc, char** argv){
+    SDL_Init(SDL_INIT_EVERYTHING);
     SDL_Quit();
+
     return 0;
 }
-

sdl/README.md

@@ -1,7 +0,0 @@
-Dependencies
-------------
-
-Download and unzip dependency http://libsdl.org/release/SDL2-devel-2.0.1-VC.zip
-to this directory. You should see directory SDL2-2.0.1 with SDL2 files.
-
-Alternatively you can download library by DownloadLibrary.ps1 script.