> However, there should be no need to compile anything with -ansi though
> -- it does not break programs to build them without turning off
> C99. Is there a reason configure for firefox is insisting on -ansi???
> 
> If this is a widespread problem I can revert it very easily but I'm
> not sure why one would compile with -ansi except in specialized cases,
> such as if one wanted to catch things that would break older
> compilers...
> 
> Perry

-std=c89 and -std=c99 have subtle differences, which can even alter
the meaning of code.

please revert the change.

YAMAMOTO Takashi