Re: Error when compiling ATLAS 3.9.6 dynamic libraries / sonames with version number? / interface libs

>>The following make runs for some time, but bails out with
>>
>>    make[6]: Entering directory `/data/tmp/hoel/atlas3.9.6/build/lib'
>>    ld -melf_x86_64 -shared -soname /usr/local/gltools/linux_x86_64/lib/libatlas.so -o libatlas.so \
>>               -rpath-link /usr/local/gltools/linux_x86_64/lib \
>>               --whole-archive libatlas.a --no-whole-archive -lc -lpthread -lm
>>    ld -melf_x86_64 -shared -soname /usr/local/gltools/linux_x86_64/lib/libf77blas.so \
>>               -o libf77blas.so -rpath-link /usr/local/gltools/linux_x86_64/lib \
>>               --whole-archive libf77blas.a --no-whole-archive
>>    ld: libf77blas.a(ilaenv.o): relocation R_X86_64_32 against `a local symbol' can not be used when making a shared object; recompile with -fPIC
>>    libf77blas.a(ilaenv.o): could not read symbols: Bad value
>>  
>>It works if I add "-F alg -fPIC" to the configure line.
>
> Well, of course it will fail of you don't add -fPIC, since that is the
>way you signal gcc you want a shared object (position indepedent code).
>W/o -fPIC code you cannot build shared libs.