Configure tweak from Peter Prymmer

p4raw-id: //depot/perl@4644

diff --git a/Configure b/Configure
index b448793..2f74812 100755 (executable)
--- a/Configure
+++ b/Configure
@@ -12856,10 +12856,17 @@ esac
 : Remove SIGSTKSIZE used by Linux.
 : Remove SIGSTKSZ used by Posix.
 : Remove SIGTYP void lines used by OS2.
-xxx=`echo '#include <signal.h>' |
+if [ "X$fieldn" = X ]; then
+    xxx=`echo '#include <signal.h>' |
+       $cppstdin $cppminus $cppflags 2>/dev/null |
+       $grep '^[       ]*#.*include' | 
+       $sed 's!"!!g' | $sort | $uniq`
+else
+    xxx=`echo '#include <signal.h>' |
        $cppstdin $cppminus $cppflags 2>/dev/null |
        $grep '^[       ]*#.*include' | 
        $awk "{print \\$$fieldn}" | $sed 's!"!!g' | $sort | $uniq`
+fi
 : Check this list of files to be sure we have parsed the cpp output ok.
 : This will also avoid potentially non-existent files, such 
 : as ../foo/bar.h