http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46333

--- Comment #4 from Jay <jay.krell at cornell dot edu> 2010-11-06 23:53:47 UTC 
---
"../../gcc-4.5/gcc/opts.c", line 1233: Error: The function "__flsbuf" must have
a prototype.
"../../gcc-4.5/gcc/opts.c", line 1350: Error: The function "__flsbuf" must have
a prototype.

#if (__cplusplus >= 199711L && (defined(_LP64) || defined(_REENTRANT))) || \
        __cplusplus < 199711L
...
#ifndef _LP64
extern int      __filbuf(FILE *);
extern int      __flsbuf(int, FILE *);
#endif  /*      _LP64   */

#else   /* !defined __STDC__ */


either need to #if __GNUC__ around #define foo foo_unlocked
or need to define __REENTRANT.

This is all on Solaris 2.9, which may be out of support soon.
I can move to Solaris 2.10.

I need gcc 4.5.1. I can look into trunk *later*.

Some of my own patches run afoul of SunStudio 12 C++, that maybe
unique to me, e.g.:

bool unused_gcc_feature (...) { gcc_unreachable (); }

 => unused_gcc_feature must return a value
  so I put in return 0; unpatched gcc doesn't necessarily have this.


I'm not 100% which older g++ is on the other machine, just that it had problem
with attribute(unused).  However, I bet it is easier to use than non-g++! :)

Also my ENUM_BITFIELD has an obvious typo in the last case, it need to
reference NAME.


Later,
 - Jay

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