commit 0998b881d24756c49eb5fb44acb696a2cc32e484
author Shinichiro Hamaji <shinichiro.hamaji@gmail.com> Wed Jun 24 16:59:18 2015 +0900
committer Shinichiro Hamaji <shinichiro.hamaji@gmail.com> Thu Jun 25 17:51:01 2015 +0900
tree 6d9918dafa16115c9482ce32d50ddbeaebebfde4
parent 5e3e3d24fddf00d3f326513c25a6e8ab77b6e440

[C++] Skip empty command

exec.cc

diff --git a/exec.cc b/exec.cc
index 44ef68b..fb0ade7 100644
--- a/exec.cc
+++ b/exec.cc
@@ -170,6 +170,8 @@
     current_dep_node_ = n;
     for (Value* v : n->cmds) {
       shared_ptr<string> cmd = v->Eval(ev_);
+      if (TrimSpace(*cmd) == "")
+        continue;
       while (true) {
         size_t index = cmd->find('\n');
         if (index == string::npos)