From 9362440a0b9193c417b42c50495d0a3ea6e098c4 Mon Sep 17 00:00:00 2001
From: Peter Collingbourne <peter@pcc.me.uk>
Date: Sat, 18 Feb 2012 19:04:55 +0000
Subject: Ninja: Identifier encoding rules for ' ' and ':'

---
 Source/cmGlobalNinjaGenerator.cxx | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/Source/cmGlobalNinjaGenerator.cxx b/Source/cmGlobalNinjaGenerator.cxx
index 7ff33ba..e9264ec 100644
--- a/Source/cmGlobalNinjaGenerator.cxx
+++ b/Source/cmGlobalNinjaGenerator.cxx
@@ -56,7 +56,8 @@ static bool IsIdentChar(char c)
     ('a' <= c && c <= 'z') ||
     ('+' <= c && c <= '9') ||  // +,-./ and numbers
     ('A' <= c && c <= 'Z') ||
-    (c == '_') || (c == '$') || (c == '\\');
+    (c == '_') || (c == '$') || (c == '\\') ||
+    (c == ' ') || (c == ':');
 }
 
 std::string cmGlobalNinjaGenerator::EncodeIdent(const std::string &ident,
@@ -69,7 +70,10 @@ std::string cmGlobalNinjaGenerator::EncodeIdent(const std::string &ident,
     vars << names.str() << " = " << ident << "\n";
     return "$" + names.str();
   } else {
-    return ident;
+    std::string result = ident;
+    cmSystemTools::ReplaceString(result, " ", "$ ");
+    cmSystemTools::ReplaceString(result, ":", "$:");
+    return result;
   }
 }
 
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