I thought I would try to see if Sage builds in the upcoming version of Ubuntu, which is still early in the development stages but I think the compilers and other basic system stuff are stable. But there's some kind of linker error:
../kernel/libkernel.a(mod_raw.o): In function `dynl_open': /home/foo/sage-4.6.2.alpha4/spkg/build/singular-3-1-1-4.p3/src/kernel/mod_raw.cc:217: undefined reference to `dlopen' ../kernel/libkernel.a(mod_raw.o): In function `dynl_sym': /home/foo/sage-4.6.2.alpha4/spkg/build/singular-3-1-1-4.p3/src/kernel/mod_raw.cc:228: undefined reference to `dlsym' ../kernel/libkernel.a(mod_raw.o): In function `dynl_close': /home/foo/sage-4.6.2.alpha4/spkg/build/singular-3-1-1-4.p3/src/kernel/mod_raw.cc:233: undefined reference to `dlclose' ../kernel/libkernel.a(mod_raw.o): In function `dynl_error': /home/foo/sage-4.6.2.alpha4/spkg/build/singular-3-1-1-4.p3/src/kernel/mod_raw.cc:238: undefined reference to `dlerror' collect2: ld returned 1 exit status (Full build log attached.) This seems like a pretty basic linking / libc problem: http://www.linuxquestions.org/questions/slackware-14/undefined-reference-to-dlopen-dlclose-dlsym-and-dlerror-350945/. I tried to continue the build without Singular just to see what else worked, and also got a linker error there too -- with symmetrica, it eventually failed with "undefined reference to `cos'"! The build system is a current Ubuntu Natty (11.04) 32-bit virtual machine. Any ideas on what's going wrong? Is this an Ubuntu problem that will get fixed before the final release, or something we need to work on? (Or something silly on my part?) Thanks, Dan -- --- Dan Drake ----- http://mathsci.kaist.ac.kr/~drake -------
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