From c39378136e17f556608b3ea649f2ee9c92104670 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 18 Aug 2010 22:29:41 +0200
Subject: Define a database-specific macro in odb compiler

---
 odb/odb.cxx | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/odb/odb.cxx b/odb/odb.cxx
index b6f76a0..a99fd83 100644
--- a/odb/odb.cxx
+++ b/odb/odb.cxx
@@ -23,6 +23,12 @@ using namespace std;
 static string
 plugin_path (string const& driver);
 
+static char const* const db_macro[] =
+{
+  "-DODB_MYSQL",
+  "-DODB_TRACER"
+};
+
 int
 main (int argc, char* argv[])
 {
@@ -60,7 +66,6 @@ main (int argc, char* argv[])
   args.push_back ("-x");
   args.push_back ("c++");
   args.push_back ("-S");
-  args.push_back ("-DODB_COMPILER");
   args.push_back ("-fplugin=" + plugin);
 
   // Parse driver options.
@@ -223,6 +228,11 @@ main (int argc, char* argv[])
       return 1;
     }
 
+    // Add ODB macros.
+    //
+    args.push_back ("-DODB_COMPILER");
+    args.push_back (db_macro[ops.database ()]);
+
     // Encode plugin options.
     //
     for (size_t i (0); i < end; ++i)
-- 
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