Using guards to prevent double definitions of std::vector<int>

This is needed for building a monolitic version of openroad's python lib
when using bazel

Signed-off-by: Felipe Garay <[email protected]>

Author: fgaray

src/par/src/partitionmgr-py.i

@@ -13,7 +13,10 @@
 
 namespace std
 {
+#ifndef SWIG_VECTOR_INT
+#define SWIG_VECTOR_INT
   %template(vector_int) std::vector<int>;
+#endif
   %template(vector_float) std::vector<float>;
 }
 #endif

src/pdn/src/PdnGen-py.i

@@ -29,7 +29,8 @@ using namespace pdn;
 // before these definitions
 namespace std {
   %template() std::pair<int, bool>;
-#ifndef BAZEL
+#ifndef SWIG_VECTOR_INT
+#define SWIG_VECTOR_INT
   %template(split_cuts_stuff) std::vector<int>;
 #endif
   %template(stuff)        std::array<int, 4>;

src/stt/src/SteinerTreeBuilder-py.i

@@ -18,7 +18,8 @@
 %include <std_vector.i>
 
 namespace std {
-#ifndef BAZEL
+#ifndef SWIG_VECTOR_INT
+#define SWIG_VECTOR_INT
 %template(xy) vector<int>;
 #endif
 }