boost file system, program_option no longer build on HPUX/aCC/1.42

30 Mar 2010

      For 1.42 can no longer build boost on HP-UX.
File-system, program-options and serialisation all show a similar
problem

+ bjam --build-dir=./tmpBuildDir toolset=acc stage link=static
--with-filesystem variant=debug
...patience...
.......
acc.compile.c++
tmpBuildDir/boost/bin.v2/libs/
filesystem/build/acc/debug/link-static/threading-multi/utf8_codecvt_facet.o
"./libs/detail/utf8_codecvt_facet.cpp", line 255: error #2014-D: extra text
after expected end of preprocessing directive
 #elif WCHAR_MAX > 0x10000

The actual file <boost_root>/libs/detail/utf8_codecvt_facet.cpp
appears to have been changed in boost 1.40
for the function  get_cont_octet_out_count_impl

FROM:
// note the following code will generate on some platforms where
// wchar_t is defined as UCS2.  The warnings are superfluous as
// the specialization is never instantitiated with such compilers.
template<>
int get_cont_octet_out_count_impl<4>(wchar_t word){
   if (word < 0x80) {
       return 0;
   }
   if (word < 0x800) {
       return 1;
   }
   if (word < 0x10000) {
       return 2;
   }
   if (word < 0x200000) {
       return 3;
   }
   if (word < 0x4000000) {
       return 4;
   }
   return 5;
}

TO:

template<>
int get_cont_octet_out_count_impl<4>(wchar_t word){
   if (word < 0x80) {
       return 0;
   }
   if (word < 0x800) {
       return 1;
   }

   // Note that the following code will generate warnings on some platforms
   // where wchar_t is defined as UCS2.  The warnings are superfluous as
the
   // specialization is never instantitiated with such compilers, but this
   // can cause problems if warnings are being treated as errors, so we
guard
   // against that.  Including <boost/detail/utf8_codecvt_facet.hpp> as we
do
   // should be enough to get WCHAR_MAX defined.
#if !defined(WCHAR_MAX)
#   error WCHAR_MAX not defined!
#endif
   // cope with VC++ 7.1 or earlier having invalid WCHAR_MAX
#if defined(_MSC_VER) && _MSC_VER <= 1310 // 7.1 or earlier
   return 2;
#elif WCHAR_MAX > 0x10000

  if (word < 0x10000) {
       return 2;
   }
   if (word < 0x200000) {
       return 3;
   }
   if (word < 0x4000000) {
       return 4;
   }
   return 5;

#else
   return 2;
#endif
}

Does any one know of a work around ?

Any help appreciated.

 Best regards,
Ta,
  Avi

Avi Bahra

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