From 1bf439f7918f2c6f8fa07db3abb53722156945c7 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Fri, 31 Aug 2018 19:28:20 +0200
Subject: Add ability to print cc compiler_id value

---
 build2/cc/guess.cxx | 13 +++++++++++++
 build2/cc/guess.hxx | 11 +++++++++++
 2 files changed, 24 insertions(+)

diff --git a/build2/cc/guess.cxx b/build2/cc/guess.cxx
index e9b102f..0a60ffd 100644
--- a/build2/cc/guess.cxx
+++ b/build2/cc/guess.cxx
@@ -15,6 +15,19 @@ namespace build2
 {
   namespace cc
   {
+    compiler_id::
+    compiler_id (value_type v)
+    {
+      switch (v)
+      {
+      case clang_apple: type = "clang"; variant = "apple"; break;
+      case clang:       type = "clang";                    break;
+      case gcc:         type = "gcc";                      break;
+      case msvc:        type = "msvc";                     break;
+      case icc:         type = "icc";                      break;
+      }
+    }
+
     auto compiler_id::
     value () const -> value_type
     {
diff --git a/build2/cc/guess.hxx b/build2/cc/guess.hxx
index a762e79..599c56d 100644
--- a/build2/cc/guess.hxx
+++ b/build2/cc/guess.hxx
@@ -48,6 +48,11 @@ namespace build2
 
       value_type
       value () const;
+
+      compiler_id () = default;
+      compiler_id (value_type);
+      compiler_id (std::string t, std::string v)
+          : type (move (t)), variant (move (v)) {}
     };
 
     inline ostream&
@@ -56,6 +61,12 @@ namespace build2
       return os << id.string ();
     }
 
+    inline ostream&
+    operator<< (ostream& os, const compiler_id::value_type& v)
+    {
+      return os << compiler_id (v);
+    }
+
     // Compiler class describes a set of compilers that follow more or less
     // the same command line interface. Compilers that don't belong to any of
     // the existing classes are in classes of their own (say, Sun CC would be
-- 
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