Re: Config error for Darwin (Mac OS/X)

[Akim Demaille]

| if true; then
|  { { echo "$as_me:844: error: LinuxThreads header/library mismatch" >&5
| echo "$as_me: error: LinuxThreads header/library mismatch" >&2;}
|    { (exit 1); exit; }; }
| ;
| fi
| 
| $ ./configure
| ./configure: syntax error near unexpected token `;'
| ./configure: ./configure: line 847: `;'
| 
| It's obviously the latest semicolon, which comes from the semicolon on the
| end of AC_MSG_ERROR.

The problem is a missing space before the ; IMHO.  Could you try if it
fixes the problem and adjust Autoconf?