fix local -I order in CPPFLAGS as pointed out by Steve Franks / FreeBSD

git-svn-id: https://urjtag.svn.sourceforge.net/svnroot/urjtag/trunk@1434 b68d4a1b-bc3d-0410-92ed-d4ac073336b7

jtag/ChangeLog

@@ -9,6 +9,10 @@
     format strings, and to avoid warnings generated by such compilers:
     print.c:111: warning: format not a string literal and no format arguments
 
+  * configure.ac: Put our local -I paths into CPPFLAGS before anything coming
+    from the user as we want to make sure our local paths take precedence.
+    Reported by Steve Franks from a FreeBSD report.
+
 2009-02-11  Arnim Laeuger  <arniml@users.sourceforge.net>
 
   * src/bsdl/bsdl_sem.c: return proper error code to upper level

jtag/configure.ac

@@ -265,7 +265,7 @@ AS_IF([test "x$with_inpout32" = xyes], [
 
 
 CFLAGS="$CFLAGS -Wall"
-CPPFLAGS="$CPPFLAGS -I\$(top_srcdir) -I\$(top_srcdir)/include"
+CPPFLAGS="-I\$(top_srcdir) -I\$(top_srcdir)/include $CPPFLAGS"
 
 
 # check for lex/flex