configure option adjustments as per 11/24 meeting; various fixes and improvements

1 files changed, 8 insertions, 0 deletions

diff --git a/src/expr/expr_builder.h b/src/expr/expr_builder.h
index 07d069a9e..97f18ca6d 100644
--- a/src/expr/expr_builder.h
+++ b/src/expr/expr_builder.h
@@ -109,6 +109,8 @@ class AndExprBuilder {
 
 public:
 
+  AndExprBuilder(const ExprBuilder&);
+
   AndExprBuilder&   operator&&(Expr);
   OrExprBuilder     operator||(Expr);
 
@@ -121,6 +123,8 @@ class OrExprBuilder {
 
 public:
 
+  OrExprBuilder(const ExprBuilder&);
+
   AndExprBuilder    operator&&(Expr);
   OrExprBuilder&    operator||(Expr);
 
@@ -133,6 +137,8 @@ class PlusExprBuilder {
 
 public:
 
+  PlusExprBuilder(const ExprBuilder&);
+
   PlusExprBuilder&  operator+(Expr);
   PlusExprBuilder&  operator-(Expr);
   MultExprBuilder   operator*(Expr);
@@ -146,6 +152,8 @@ class MultExprBuilder {
 
 public:
 
+  MultExprBuilder(const ExprBuilder&);
+
   PlusExprBuilder   operator+(Expr);
   PlusExprBuilder   operator-(Expr);
   MultExprBuilder&  operator*(Expr);