Merge pull request #4 from LovelySanta/patch-2

Update premake script to allow building on Linux - part2: docking branch

.gitignore

@@ -0,0 +1,8 @@
+# Directories
+.vs/
+bin/
+bin-int/
+
+ # Files
+*.user
+Makefile 

premake5.lua

@@ -1,28 +1,39 @@
 project "ImGui"
-    kind "StaticLib"
-    language "C++"
-    
-    targetdir ("bin/" .. outputdir .. "/%{prj.name}")
-    objdir ("bin-int/" .. outputdir .. "/%{prj.name}")
+	kind "StaticLib"
+	language "C++"
 
-    files
-    {
-        "imconfig.h",
-        "imgui.h",
-        "imgui.cpp",
-        "imgui_draw.cpp",
-        "imgui_internal.h",
-        "imgui_widgets.cpp",
-        "imstb_rectpack.h",
-        "imstb_textedit.h",
-        "imstb_truetype.h",
-        "imgui_demo.cpp"
-    }
-    
-    filter "system:windows"
-        systemversion "latest"
-        cppdialect "C++17"
-        staticruntime "On"
-        
-    filter { "system:windows", "configurations:Release" }
-        buildoptions "/MT"
+	targetdir ("bin/" .. outputdir .. "/%{prj.name}")
+	objdir ("bin-int/" .. outputdir .. "/%{prj.name}")
+
+	files
+	{
+		"imconfig.h",
+		"imgui.h",
+		"imgui.cpp",
+		"imgui_draw.cpp",
+		"imgui_internal.h",
+		"imgui_widgets.cpp",
+		"imstb_rectpack.h",
+		"imstb_textedit.h",
+		"imstb_truetype.h",
+		"imgui_demo.cpp"
+	}
+
+	filter "system:windows"
+		systemversion "latest"
+		cppdialect "C++17"
+		staticruntime "On"
+
+	filter "system:linux"
+		pic "On"
+		systemversion "latest"
+		cppdialect "C++17"
+		staticruntime "On"
+
+	filter "configurations:Debug"
+		runtime "Debug"
+		symbols "on"
+
+	filter "configurations:Release"
+		runtime "Release"
+		optimize "on"