# HG changeset patch
# User William Roberts <williamr@symbian.org>
# Date 1287144156 -3600
# Node ID 8e8f3d66443727420dcb96831494eb4d7d75e335
# Parent  f8873fb270cd640c07f5fc44ce85c7396750bae3
Catch the "no cpp.exe" problem before it triggers an "Unknown arg: -fm" message.

diff -r f8873fb270cd -r 8e8f3d664437 tools/buildrom.pm
--- a/tools/buildrom.pm	Fri Oct 15 10:02:23 2010 +0100
+++ b/tools/buildrom.pm	Fri Oct 15 13:02:36 2010 +0100
@@ -731,6 +731,7 @@
 	{
 		# Enforce Feature Manager if macro SYMBIAN_FEATURE_MANAGER is defined in the HRH file.
 		my @hrhMacros = &Variant_GetMacroList;	
+		die("No system-wide #defines??!") if (scalar @hrhMacros == 0);	
 		if (grep /^SYMBIAN_FEATURE_MANAGER\s*$/, @hrhMacros)
 		{
 			$enforceFeatureManager = 1;