With no libm switch: # ruby extconf.rb --with-zlib-include=/usr/include/bzlib.h checking for socket() in -lsocket... no checking for gethostbyname() in -lnsl... no checking for atan() in -lm... no checking for atan() in -lm... no extconf failure: need libm *** extconf.rb failed *** Could not create Makefile due to some reason, probably lack of necessary libraries and/or headers. Check the mkmf.log file for more details. You may need configuration options.
With libm=m : # ruby extconf.rb --with-zlib-include=/usr/include/bzlib.h --with-mlib=m checking for socket() in -lsocket... no checking for gethostbyname() in -lnsl... no checking for atan() in -lm... no checking for atan() in -lm... no extconf failure: need libm *** extconf.rb failed *** Could not create Makefile due to some reason, probably lack of necessary libraries and/or headers. Check the mkmf.log file for more details. You may need configuration options. On Jan 13, 2008 12:56 PM, Tom Hughes <[EMAIL PROTECTED]> wrote: > In message <[EMAIL PROTECTED]> > "Nick Black" <[EMAIL PROTECTED]> wrote: > > > Thanks for the replies. > > > > Tom: I have glibc-devel version 2.5 installed already. > > > > Todd: I have also tried passing a directory to extconf ( > > --with-mlib=/lib/) but still no luck. > > Looking at the output, that is wrong - it is passing what give there > to the compiler as an argument to -l and it is wrong to give a full > path there. You just want --with-mlib=m I think but that should be > the default anyway I would imagine. > > What happens if you don't give a --with-mlib switch? > > Tom > > > On Jan 13, 2008 12:34 AM, Tom Hughes <[EMAIL PROTECTED]> wrote: > > > In message <[EMAIL PROTECTED]> > > > "Nick Black" <[EMAIL PROTECTED]> wrote: > > > > > > > I'm trying to build libxml-ruby on Fedora Core 6, but get the following > > > > errors: > > > > > > > > bash-3.1# ruby extconf.rb --with-zlib-dir=/usr/lib64/ > > > > --with-zlib-include=/usr/include/bzlib.h --with-mlib=/lib/libm.so.6 > > > > checking for socket() in -lsocket... no > > > > checking for gethostbyname() in -lnsl... no > > > > checking for atan() in -l/lib/libm.so.6... no > > > > checking for atan() in -l/lib/libm.so.6... no > > > > extconf failure: need libm > > > > *** extconf.rb failed *** > > > > Could not create Makefile due to some reason, probably lack of > > > > necessary libraries and/or headers. Check the mkmf.log file for more > > > > details. You may need configuration options. > > > > > > > > > > > > I've tried with all the different libm directories I can find using # > > > > locate libm (/lib /lib64 /usr/lib /usr/lib64)- but I keep getting this > > > > error. I guess this is a problem with some compiler flags, but don't > > > > really know where to start. > > > > > > Make sure you've got the glibc-devel package installed - that should > > > be all you need to build against libm on Fedora. > > > -- > > Tom Hughes ([EMAIL PROTECTED]) > http://www.compton.nu/ > _______________________________________________ > libxml-devel mailing list > libxml-devel@rubyforge.org > http://rubyforge.org/mailman/listinfo/libxml-devel > -- Nick Black -------------------------------- http://www.blacksworld.net _______________________________________________ libxml-devel mailing list libxml-devel@rubyforge.org http://rubyforge.org/mailman/listinfo/libxml-devel
