[project] Add project disablewarnings

Author: Jarod42

projects/disablewarnings/Readme.md

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+## disablewarnings
+
+Test [`disablewarnings`](https://premake.github.io/docs/disablewarnings)

projects/disablewarnings/premake5.lua

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+if (_ACTION == nil) then
+	return
+end
+
+local LocationDir = "solution/%{_ACTION}"
+
+workspace "Project"
+	location(LocationDir)
+	configurations {"Debug", "Release"}
+
+	objdir(path.join(LocationDir, "obj")) -- premake adds $(configName)/$(AppName)
+	targetdir(path.join(LocationDir, "bin/%{cfg.buildcfg}"))
+	startproject "app"
+
+project "app"
+	kind "ConsoleApp"
+	targetname "app"
+
+	files { "src/main.cpp" }
+
+	fatalwarnings "All"
+
+	filter "toolset:msc*"
+		disablewarnings {
+			"4035" -- 'function': no return value
+		}
+	filter "toolset:not msc*"
+		disablewarnings {
+			"return-type"
+		}
+	filter {}

projects/disablewarnings/src/main.cpp

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+int foo() {} // missing return
+
+int main()
+{
+}