[petsc-dev] [petsc-maint] problem installing petsc 3.4

[Jed Brown]

Satish Balay <balay at mcs.anl.gov> writes:

> On Wed, 16 Apr 2014, Jed Brown wrote:
>
>> "Borazjani, Iman" <iman at buffalo.edu> writes:
>> 
>> > Hi Jed,
>> >
>> > I tried both ways and still get a compiler error, but this time I think 
>> > it is the -g option:
>> >    CLINKER 
>> > /share/apps/petsc-petsc-7cd361a5361c/linux-gnu-debug/lib/libpetsc.so.3.04.4
>> > /usr/bin/ld: 
>> > /share/apps/open64/lib/gcc-lib/x86_64-open64-linux/4.2.4/libopen64rt.a(cacheinfo.o): 
>> > relocation R_X86_64_32S against `a local symbol' can not be used when 
>> > making a shared object; recompile with -fPIC
>> > /share/apps/open64/lib/gcc-lib/x86_64-open64-linux/4.2.4/libopen64rt.a: 
>> > could not read symbols: Bad value
>> 
>> Looks like this compiler claims to be able to link with shared
>> libraries, but in fact cannot (since no shared version of libopen64rt.a
>> is available).  Configure --with-shared-libraries=0 to get a static
>> build of PETSc.
>
> There was a discussion about this on petsc-maint a couple of years ago with a reference to
>
> http://devgurus.amd.com/thread/159277
>
> i.e the compiler links to libopen64rt_shared.a when -shared options is specified.
>
> But we detect the compiler libraries libraries without using '-shared'
>
>
> Workarround discussed at that time: 
>
> --with-shared-libraries=1 --with-clib-autodetect=0 --with-fortranlib-autodetect=0 LIBS='-lfortran -lmv -lffio'
>
> [but we mignt need --with-cxx-autodetect=0 aswell [with -lstdc++ in LIBS]

Would we have more or less failures if we used the Fortran linker and
passed -lstdc++ when needed (with no other autodetect)?  I hate
second-guessing the compilers.

>> 
>> This is something we should be able to detect in our configure tests.
>> 
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