$NetBSD: patch-ac,v 1.1.1.1 2011/10/13 18:43:51 jmmv Exp $

Vera++ comes with a set of profiles to validate the syntax of files.
However, the whole system is not designed to be installed.  Change the
rules for the location of the profiles to something more natural: first
attempt user overrides and, if these fail, fallback to the system
installed files.

--- src/main.cpp.orig	2008-08-25 13:41:57.000000000 +0000
+++ src/main.cpp
@@ -5,6 +5,10 @@
 // http://www.boost.org/LICENSE_1_0.txt)
 //
 
+extern "C" {
+#include <unistd.h>
+}
+
 #include "structures/SourceFiles.h"
 #include "plugins/Profiles.h"
 #include "plugins/Rules.h"
@@ -65,15 +69,16 @@ int main(int argc, char * argv[])
         // the directory containing the profile and rule definitions
         // by default it is (in this order, first has highest precedence):
         // - VERA_ROOT (if VERA_ROOT is defined)
-        // - HOME/.vera (if HOME is defined)
-        // - current directory
+        // - HOME/.vera (if HOME is defined and the directory exists)
+        // - the installed files for Vera in prefix/share/vera++
 
-        RootDirectory::DirectoryName veraRoot(".");
+        RootDirectory::DirectoryName veraRoot(VERA_ROOT);
         char * veraRootEnv = getenv("HOME");
         if (veraRootEnv != NULL)
         {
-            veraRoot = veraRootEnv;
-            veraRoot += "/.vera++";
+            const string homeRoot = string(veraRootEnv) + "/.vera++";
+            if (::access(homeRoot.c_str(), X_OK) != -1)
+                veraRoot = homeRoot;
         }
         veraRootEnv = getenv("VERA_ROOT");
         if (veraRootEnv != NULL)