[boost] compile problems with boost.regex and IBM xlC 5.0

From: Markus Schöpflin (markus.schoepflin_at_[hidden])
Date: 2002-09-11 09:26:35

Hi there,

I'm trying to build the boost.regex library from boost 1.28.0
using IBMs xlC 5.0 on AIX. I have installed the latest fixes
for the compiler.

The compiler has two problems. The first:

"libs/regex/build/../src/cpp_regex_traits.cpp", line 196.39: 1540-0257 
(S) An object or reference of type "std::messages_base::catalog" cannot 
be initialized with an expression of type "int".
"libs/regex/build/../src/cpp_regex_traits.cpp", line 586.42: 1540-0257 
(S) An object or reference of type "std::messages_base::catalog" cannot 
be initialized with an expression of type "int".

This is because std::messages_base::catalog is not an int as required
by the C++ standard but of type nl_catd. (Probably due to the 
requirements in IEEE Std 1003.1-2001). A simple C-style cast would fix this.

The second problem is:

"/mount/auto/ginit/src/boost-1.28.0/boost/regex.hpp", line 528.13: 
1540-1628 (S) Every template parameter for a constructor template must 
be used in the parameter list of the constructor.

It complains about the following constructor and I have no idea how to 
fix this. Any ideas anyone?

template <class charT, class traits, class Allocator >
class reg_expression : public regbase
{
   template <class ST, class SA>
   explicit reg_expression(const std::basic_string<charT, ST, SA>& p,
     flag_type f = regbase::normal, const Allocator& a = Allocator())
   : data(a), pkmp(0), error_code_(REG_EMPTY), _expression(0)
   { set_expression(p, f | regbase::use_except); }
};

TIA, Markus