Corrected an error in the DEF file read routine's check on via

DRC rules, which was conflating magic and CIF tile types,
resulting in incorrect reading of via layers.

scripts/configure

@@ -7779,6 +7779,9 @@ case $target in
     if test "$CPP" = "cc -E" ; then
        CPPFLAGS="$CPPFLAGS -no-cpp-precomp"
     fi
+
+$as_echo "#define _FORTIFY_SOURCE 0" >>confdefs.h
+
     ;;
 esac
 

scripts/configure.in

@@ -1367,6 +1367,7 @@ case $target in
     if test "$CPP" = "cc -E" ; then
        CPPFLAGS="$CPPFLAGS -no-cpp-precomp"
     fi
+    AC_DEFINE(_FORTIFY_SOURCE, 0, [Avoid checks on string overruns])
     ;;
 esac