Also load license header from the module's root directory.

This makes it easy to check modules that use license headers different
from the ones in qtbase.

Change-Id: I8ffe7bca235c1f8a3534e0de50ba36c61d2d1404
Reviewed-by: Simon Hausmann <simon.hausmann@theqtcompany.com>
Reviewed-by: Tony Sarajärvi <tony.sarajarvi@theqtcompany.com>

tests/prebuild/license/tst_licenses.pl

@@ -69,7 +69,6 @@ my @excludedModules = qw{
     qtwebengine
     3rdparty
     qtqa
-    qtapplicationmanager
 };
 
 # If you add to the following lists of regexes, please
@@ -279,6 +278,10 @@ sub loadLicense {
         fail("$licenseFile has no QT_END_LICENSE marker");
         return 0;
     }
+    if (exists($licenseTexts{$licenseType})) {
+        fail("$licenseFile re-defines a license of type $licenseType");
+        return 0;
+    }
 
     $licenseTexts{$licenseType} = \@licenseText;
     return 1;
@@ -520,6 +523,11 @@ sub run
         loadLicense($_) || return;
     }
 
+    # Also load all header.* files in the module's root, in case the module has special requirements
+    foreach (glob "$QT_MODULE_TO_TEST/header.*") {
+        loadLicense($_) || return;
+    }
+
     my $numLicenses = keys %licenseTexts;
     if ($numLicenses == 0) {
         fail("No reference licenses were found.");