id	summary	reporter	owner	description	type	status	milestone	component	version	severity	resolution	keywords	cc
3552	concatenation does not work with BOOST_PP_COMMA() with g++	mkraemer@…	No-Maintainer	"The concatenation of a token with a comma does not work with g++

Example:[[BR]]

{{{
cmd>cat test.cpp
#include <boost/preprocessor/cat.hpp>
#include <boost/preprocessor/punctuation/comma.hpp>
BOOST_PP_CAT(test,BOOST_PP_COMMA())
}}}

=== g++ v3.4.4 ===
{{{
cmd>g++-3 --version
g++-3 (GCC) 3.4.4 (cygming special, gdc 0.12, using dmd 0.125)

cmd>g++-3 -E -P -I D:\Development\boost\1.40.0 test.cpp
test.cpp:3:35: macro ""BOOST_PP_CAT_I"" passed 3 arguments, but takes just 2
BOOST_PP_CAT_I;
}}}


=== g++ 4.3.2 ===

{{{
cmd>g++-4 --version
g++-4 (GCC) 4.3.2 20080827 (beta) 2
cmd>g++-4 -E -P -I D:\Development\boost\1.40.0 test.cpp
test.cpp:3:35: error: macro ""BOOST_PP_CAT_I"" passed 3 arguments, but takes just 2
BOOST_PP_CAT_I;
}}}


=== Wheras MS VisualStudio 2005 works ===

{{{
cmd>cl /E -I D:\Development\boost\1.40.0 test.cpp
Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 14.00.50727.762 for 80x86
Copyright (C) Microsoft Corporation.  All rights reserved.

...

#line 3 ""test6.cpp""
test,



}}}
"	Support Requests	closed	Boost 1.41.0	preprocessor	Boost 1.40.0	Problem	invalid