INtroduce new log macros.

code/Importer.cpp

@@ -510,45 +510,46 @@ void WriteLogOpening(const std::string& file)
     // need to ask the authors of incoming bug reports for
     // the library version they're using - a log dump is
     // sufficient.
-    const unsigned int flags = aiGetCompileFlags();
-    ASSIMP_LOG_DEBUG_F( "Assimp ", aiGetVersionMajor(), ".", aiGetVersionMinor(), ".", aiGetVersionRevision(), " "
+    const unsigned int flags( aiGetCompileFlags() );
+    std::stringstream stream;
+    stream << "Assimp " << aiGetVersionMajor() << "." << aiGetVersionMinor() << "." << aiGetVersionRevision() << " "
 #if defined(ASSIMP_BUILD_ARCHITECTURE)
-        ,ASSIMP_BUILD_ARCHITECTURE
+        << ASSIMP_BUILD_ARCHITECTURE
 #elif defined(_M_IX86) || defined(__x86_32__) || defined(__i386__)
-        , "x86"
+        << "x86"
 #elif defined(_M_X64) || defined(__x86_64__)
-        , "amd64"
+        << "amd64"
 #elif defined(_M_IA64) || defined(__ia64__)
-        , "itanium"
+        << "itanium"
 #elif defined(__ppc__) || defined(__powerpc__)
-        , "ppc32"
+        << "ppc32"
 #elif defined(__powerpc64__)
-        , "ppc64"
+        << "ppc64"
 #elif defined(__arm__)
-        , "arm"
+        << "arm"
 #else
-        , "<unknown architecture>"
+        << "<unknown architecture>"
 #endif
-
-        , " "
+        << " "
 #if defined(ASSIMP_BUILD_COMPILER)
-        , ASSIMP_BUILD_COMPILER
+        << ( ASSIMP_BUILD_COMPILER )
 #elif defined(_MSC_VER)
-        , "msvc"
+        << "msvc"
 #elif defined(__GNUC__)
-        , "gcc"
+        << "gcc"
 #else
-        , "<unknown compiler>"
+        << "<unknown compiler>"
 #endif
 
 #ifdef ASSIMP_BUILD_DEBUG
-        , " debug"
+        << " debug"
 #endif
 
-        , (flags & ASSIMP_CFLAGS_NOBOOST ? " noboost" : "")
-        , (flags & ASSIMP_CFLAGS_SHARED  ? " shared" : "")
-        , (flags & ASSIMP_CFLAGS_SINGLETHREADED  ? " singlethreaded" : "")
-        );
+        << (flags & ASSIMP_CFLAGS_NOBOOST ? " noboost" : "")
+        << (flags & ASSIMP_CFLAGS_SHARED  ? " shared" : "")
+        << (flags & ASSIMP_CFLAGS_SINGLETHREADED  ? " singlethreaded" : "");
+
+        ASSIMP_LOG_DEBUG(stream.str());
 }
 
 // ------------------------------------------------------------------------------------------------