Bug 59595 Clean does not work
I2004041300 Clean and build operations no longer work: I can select all or some projects but nothing happens. I tried several of my existing workspaces. Using auto-build on or of does not help. And to make it worse: the preference to bring back the old Rebuild All... actions has gone. Nothing in .log or console.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/dialogs/CleanDialog.java
if (buildNowButton != null && buildNowButton.getSelection()) {
			
			GlobalBuildAction build = new GlobalBuildAction(window, IncrementalProjectBuilder.INCREMENTAL_BUILD);
			build.run();
		}
	}
	/**
	 * Fills in the name of the project in the text area.
	 */
	private void setProjectName() {
		if (selection.length == 0)
			projectName.setText(IDEWorkbenchMessages.getString("CleanDialog.noSelection")); 
		else {
			StringBuffer names = new StringBuffer(((IProject)selection[0]).getName());
			for (int i = 1; i < selection.length; i++) {
				names.append(',');
				names.append(((IProject)selection[i]).getName());
			}
			projectName.setText(names.toString());
		}
	}
	/**
	 * Updates the enablement of the dialog's ok button based
	 * on the current choices in the dialog.
	 */
	protected void updateEnablement() {
		boolean enabled = allButton.getSelection() || selection.length > 0;
		getButton(OK).setEnabled(enabled);
	}
}