Merge pull request 'Xcode: stops preparing and building on every build' (#6) from buff/libetpan:master into master

Reviewed-on: #6

build-mac/libetpan.xcodeproj/project.pbxproj

@@ -1641,10 +1641,12 @@
 			outputFileListPaths = (
 			);
 			outputPaths = (
+				"$(PROJECT_DIR)/../libetpan-config.h",
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
 			shellScript = "sh -l ${PROJECT_DIR}/run-autogen.sh\n";
+			showEnvVarsInLog = 0;
 		};
 		156AFEB9267208CE00AF0039 /* Copy Artefacts to Custom Build DIr */ = {
 			isa = PBXShellScriptBuildPhase;