Add project to test buildaction "None".

Readme.md

@@ -39,6 +39,7 @@ Sample projects for integration testing [premake4/premake5](https://premake.gith
 |custom build|:heavy_check_mark:|:heavy_check_mark:|:heavy_check_mark:|:heavy_check_mark:|:heavy_check_mark:|:heavy_check_mark:|:heavy_check_mark:[^codeblocks_custom_build][^codeblocks_fileconfig_per_config]|:heavy_check_mark: (Fixed)|:heavy_check_mark:|:x:|
 |custom rule|:x:|:heavy_check_mark:|:heavy_check_mark:|:heavy_check_mark:|:heavy_check_mark:|:x:|:heavy_check_mark:[^codeblocks_fileconfig_per_config]|:heavy_check_mark: (Fixed)|:heavy_check_mark:|:x:|
 |per-file config |:x:|:heavy_check_mark:|:x:|:x:|:x:|:x:|:x:[^codeblocks_fileconfig_per_config]|:x:|:heavy_check_mark:|:x:|
+|`buildaction "None"` |:grey_question:|:grey_question:|:grey_question:|:grey_question:|:grey_question:|:grey_question:|:grey_question:|:grey_question:|:grey_question:|:grey_question:|
 |`flags {"ExcludeFromBuild"}` |:heavy_check_mark:|:heavy_check_mark:|:heavy_check_mark:|:heavy_check_mark:|:heavy_check_mark:|:heavy_check_mark:|:heavy_check_mark:|:heavy_check_mark:|:heavy_check_mark:|:x:|
 |`toolset "clang"` |:heavy_check_mark:|:heavy_check_mark:|:heavy_check_mark:|:heavy_check_mark:|:heavy_check_mark:|:heavy_check_mark:|:heavy_check_mark:|:grey_question:|:heavy_check_mark:|:grey_question:|
 |`toolset "gcc"` |:heavy_check_mark:|:heavy_check_mark:|:heavy_check_mark:|:x:|:x:|:heavy_check_mark:|:heavy_check_mark:|:heavy_check_mark:|:heavy_check_mark:|:heavy_check_mark:|

projects/project-buildaction_none/Readme.md

@@ -0,0 +1,4 @@
+## Project-buildaction_none:
+
+Test [`buildaction`](https://premake.github.io/docs/buildaction) `"None"`.
+

projects/project-buildaction_none/premake5.lua

@@ -0,0 +1,24 @@
+local Root = path.getabsolute(".")
+
+if (_ACTION == nil) then
+	return
+end
+
+local LocationDir = path.join(Root, "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}"))
+	targetname("app")
+	startproject "app"
+
+project "app"
+	kind "ConsoleApp"
+
+	files {"src/main.cpp", "src/excluded.cpp"}
+
+	filter { "files:src/excluded.cpp" }
+		buildaction "None"

projects/project-buildaction_none/src/excluded.cpp

@@ -0,0 +1 @@
+#error "Should not be compiled" // buildaction "None"

projects/project-buildaction_none/src/main.cpp

@@ -0,0 +1,3 @@
+int main()
+{
+}