This is easy; add -lm to the link step. You must link against libc and libm and you do that with -lm on the linking step. Check sox makefile for an example of this or any good C book. Regards, Kerry. On Thu, Sep 05, 2002 at 08:09:18AM -0400, Charles Hallenbeck wrote: > I hope someone may have some quick advice for me on this one. > > I have routinely been using the G++ compiler in my programming, > and have recently rewritten some of my code in normal C instead > of C++ for reasons of efficiency and portability. The rewrite was > not difficult, and I finally got one package of about 2000 lines > of code to compile without errors or warnings. However - the > linking step failed when none of the math functions required in > the program could be located by the GCC linker. The same > functions in the C++ version compiled by G++ were found with no > problem. The functions were: sqrt, log, log10, trunc, int, > double, float, etc. The header file math.h was present (without > it, compile errors result) but evidently the C math library could > not be found. > > I tried reinstalling my gcc.tgz and glibc.tgz packages to no > avail. I am now heading for the howto's and docs to see what I > can learn. Any help from you programmers out there would be > greatly appreciated. > > My system: Slackware 8.0, kernel 2.4.18, GCC 2.95.3 > > Thanks - Chuck > > -- > The Moon is Waning Crescent (4% of Full) > So visit me at http://www.valstar.net/~hallenbeck > > > _______________________________________________ > Speakup mailing list > Speakup at braille.uwo.ca > http://speech.braille.uwo.ca/mailman/listinfo/speakup > -- Kerry Hoath: kerry at gotss.net kerry at gotss.eu.org or kerry at gotss.spice.net.au ICQ: 8226547 msn: kerry at gotss.net Yahoo: kerryhoath at yahoo.com.au
