[C++] Handle .POSIX at eval time

.POSIX pseudo target should change the behavior of $(shell).
This also implements .POSIX for ckati's non-ninja mode.

1 files changed, 7 insertions, 0 deletions

diff --git a/eval.h b/eval.h
index 3eede2b..3f32d5c 100644
--- a/eval.h
+++ b/eval.h
@@ -89,6 +89,10 @@ class Evaluator {
     eval_depth_--;
   }
 
+  string GetShell();
+  string GetShellFlag();
+  string GetShellAndFlag();
+
  private:
   Var* EvalRHS(Symbol lhs, Value* rhs, StringPiece orig_rhs, AssignOp op,
                bool is_override = false);
@@ -115,6 +119,9 @@ class Evaluator {
   // error).
   vector<string> delayed_output_commands_;
 
+  Symbol posix_sym_;
+  bool is_posix_;
+
   static unordered_set<Symbol> used_undefined_vars_;
 };