Re: gnulib bugs on OSX & C++

[Bruno Haible]

Hi Jim,

Jarno Rajahalme wrote:
> Here is a simple program to demonstrate two problems with current gnulib:
> 
> file main.cc:
> 
> // config.h defines GNULIB_NAMESPACE as gnulib
> #include <config.h>
> #include <string.h>
> #include <unistd.h>
> #include <stdio.h>
> 
> int main()
> {
>   char * dir = gnulib::strndup(gnulib::getcwd(NULL, 32), 
> gnulib::strnlen("Hello!", 5));
>   int fd = gnulib::open("hopefully non-existent file", O_RDONLY);
>   gnulib::fprintf(stdout, "Current Working Directory truncated to 5 
> characters: %s\n", dir);
>   gnulib::close(fd);
>   return 0;
> }
> 
> 
> Compiling this with GCC 4.4.3 on OSX 10.6.3 produces two problems:
> 
> 1. compiling main.cc fails:
> 
> g++-mp-4.4 -DHAVE_CONFIG_H -I. -I..  -I../lib -g  -g -O2 -MT main.o -MD -MP 
> -MF .deps/main.Tpo -c -o main.o main.cc
> In file included from main.cc:4:
> ../lib/unistd.h:730: error: 'fchownat' was not declared in this scope
> ../lib/unistd.h:730: error: invalid type in declaration before ';' token

I've already posted a fix for this on Monday (the same problem occurred
on Solaris):
<http://lists.gnu.org/archive/html/bug-gnulib/2010-04/msg00075.html>
Is it ok to apply it?

Bruno