use gradle to build example

sdl/01-sdl2-init/01-sdl2-init.cpp

@@ -1,13 +0,0 @@
-// sdl2-sample.cpp : SDL2 example - initialize and quit
-//
-
-#include <tchar.h>
-#include "SDL.h"
-
-int _tmain(int argc, _TCHAR* argv[])
-{
-	SDL_Init(SDL_INIT_EVERYTHING);	
-	SDL_Quit();
-	return 0;
-}
-

sdl/01-sdl2-init/build.gradle

@@ -0,0 +1,28 @@
+apply plugin: 'c'
+apply plugin: 'visual-studio'
+
+sources {
+    main {
+        c {
+            source {
+                // Include just source, avoid including *.swp and other helper files
+                include "**/*.c"
+            }
+            exportedHeaders {
+                srcDir "../build/SDL2-2.0.3/include"
+            }
+        }
+    }
+}
+
+executables {
+    main {
+        binaries.all {
+            if (toolChain in VisualCpp) {
+                linker.args "/machine:X86", "/SUBSYSTEM:WINDOWS", "../build/SDL2-2.0.3/lib/x86/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

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

sdl/DownloadLibrary.ps1

@@ -1,14 +0,0 @@
-Write-Host("Downloading library")
-$workingPath = (Get-Location).path
-$clnt = new-object System.Net.WebClient
-$url = "http://libsdl.org/release/SDL2-devel-2.0.1-VC.zip"
-$file = $workingPath + "\SDL2-devel-2.0.1-VC.zip"
-$clnt.DownloadFile($url,$file)
-
-Write-Host("Unzip the file to local directory")
-$shell_app=new-object -com shell.application 
-$zip_file = $shell_app.namespace($file) 
-$destination = $shell_app.namespace($workingPath) 
-$destination.Copyhere($zip_file.items())
-
-Write-Host("Done")

sdl/build.gradle

@@ -0,0 +1,31 @@
+buildscript {
+    repositories {
+        mavenCentral()
+    }
+    dependencies {
+        classpath 'de.undercouch:gradle-download-task:1.0'
+    }
+}
+
+import de.undercouch.gradle.tasks.download.Download
+
+
+task downloadSdl(type: Download) {
+    description = "Download SDL2 library ZIP file."
+    src 'http://libsdl.org/release/SDL2-devel-2.0.3-VC.zip'
+    dest 'build/sdl2.zip'
+}
+
+task extractSdl(type: Copy) {
+    description = "Unpack SDL2 library"
+    from zipTree('build/sdl2.zip')
+    into 'build/'
+}
+
+task prepare {
+    description = "Prepare build environment for SDL2"
+}
+
+
+extractSdl.dependsOn downloadSdl
+prepare.dependsOn extractSdl