On Tue, 2006-02-14 at 15:15 +0100, Jan C. Nordholz wrote: > Hi, > > > with g++-2.95, this gives no prototypes for round(). > > > > So it appears that -std=c99 does not work. Is there some way to achieve > > this for 2.95? (This is now academic, since I have written my own > > version for this application.) > > you could use the "features" header. Start your source files with > > #define _ISOC99_SOURCE > #include <features.h> > > This will toggle the appropriate __USE_* macros (__USE_ISOC99, in this > case) that aren't set by the compiler. There are a few other macros you > might want to set (_POSIX_SOURCE, or even _GNU_SOURCE), so perhaps you > should have a closer look at <features.h> if you plan to use it directly.
Thanks to you and others for that suggestion. Defining _GNU_SOURCE fixes the problem for g++-2.95. -- Oliver Elphick olly@lfix.co.uk Isle of Wight http://www.lfix.co.uk/oliver GPG: 1024D/A54310EA 92C8 39E7 280E 3631 3F0E 1EC0 5664 7A2F A543 10EA ======================================== Do you want to know God? http://www.lfix.co.uk/knowing_god.html -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
