Dear Paul,
Thank you for your reply! It works now! thank you very much!
Best regards.
wenguo.

On Saturday, March 23, 2019 at 9:59:34 AM UTC+1, Jean-Paul Pelteret wrote:
>
> Dear Wenguo,
>
> It looks like you’re linking deal.II, built as a shared library, against 
> LAPACK, built as a static library. As the error message suggests, you’ll 
> need to build LAPACK with the -fPIC flag in order to do this. As suggested 
> here (
> https://stackoverflow.com/questions/18828730/lapack-linking-error-recompile-with-fpic)
>  
> you should make the following changes to make.inc when building LAPACK:
>
> FORTRAN  = gfortran -m64 -fPIC
> OPTS     = -O2 -m64 -fPIC
> DRVOPTS  = $(OPTS)
> NOOPT    = -O0 -m64 -fPIC
> LOADER   = gfortran -m64 -fPIC
>
>
> I hope that this helps you resolve your issue.
> Best,
> Jean-Paul
>
> On 23 Mar 2019, at 08:26, Zhu wenguo <[email protected] <javascript:>> 
> wrote:
>
>
> Hello everyone,
>
> I am installing deal ii -9.0.1 using recommended commands. and something 
> went wrong, the error message is as follow:
> has someone ever met this problem?
>
> ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
> [ 81%] Building CXX object source/CMakeFiles/deal_II.dir/dummy.cc.o
> [ 81%] Linking CXX shared library ../lib/libdeal_II.so
> /usr/bin/ld.gold: error: /usr/local/lib/liblapack.a(spotrf2.o): requires 
> dynamic R_X86_64_PC32 reloc against 'spotrf2_' which may overflow at 
> runtime; recompile with -fPIC
> /usr/bin/ld.gold: error: /usr/local/lib/liblapack.a(sgetrf2.o): requires 
> dynamic R_X86_64_PC32 reloc against 'sgetrf2_' which may overflow at 
> runtime; recompile with -fPIC
> /usr/bin/ld.gold: error: /usr/local/lib/liblapack.a(dpotrf2.o): requires 
> dynamic R_X86_64_PC32 reloc against 'dpotrf2_' which may overflow at 
> runtime; recompile with -fPIC
> /usr/bin/ld.gold: error: /usr/local/lib/liblapack.a(dgetrf2.o): requires 
> dynamic R_X86_64_PC32 reloc against 'dgetrf2_' which may overflow at 
> runtime; recompile with -fPIC
> /usr/bin/ld.gold: error: /usr/local/lib/liblapack.a(zpotrf2.o): requires 
> dynamic R_X86_64_PC32 reloc against 'zpotrf2_' which may overflow at 
> runtime; recompile with -fPIC
> /usr/bin/ld.gold: error: /usr/local/lib/liblapack.a(sladiv.o): requires 
> dynamic R_X86_64_PC32 reloc against 'sladiv2_' which may overflow at 
> runtime; recompile with -fPIC
> /usr/bin/ld.gold: error: /usr/local/lib/liblapack.a(dladiv.o): requires 
> dynamic R_X86_64_PC32 reloc against 'dladiv2_' which may overflow at 
> runtime; recompile with -fPIC
> collect2: error: ld returned 1 exit status
> source/CMakeFiles/deal_II.dir/build.make:751: recipe for target 
> 'lib/libdeal_II.so.9.0.1' failed
> make[2]: *** [lib/libdeal_II.so.9.0.1] Error 1
> CMakeFiles/Makefile2:871: recipe for target 
> 'source/CMakeFiles/deal_II.dir/all' failed
> make[1]: *** [source/CMakeFiles/deal_II.dir/all] Error 2
> make[1]: *** Waiting for unfinished jobs....
> /usr/bin/ld.gold: error: /usr/local/lib/liblapack.a(spotrf2.o): requires 
> dynamic R_X86_64_PC32 reloc against 'spotrf2_' which may overflow at 
> runtime; recompile with -fPIC
> /usr/bin/ld.gold: error: /usr/local/lib/liblapack.a(sgetrf2.o): requires 
> dynamic R_X86_64_PC32 reloc against 'sgetrf2_' which may overflow at 
> runtime; recompile with -fPIC
> /usr/bin/ld.gold: error: /usr/local/lib/liblapack.a(dpotrf2.o): requires 
> dynamic R_X86_64_PC32 reloc against 'dpotrf2_' which may overflow at 
> runtime; recompile with -fPIC
> /usr/bin/ld.gold: error: /usr/local/lib/liblapack.a(dgetrf2.o): requires 
> dynamic R_X86_64_PC32 reloc against 'dgetrf2_' which may overflow at 
> runtime; recompile with -fPIC
> /usr/bin/ld.gold: error: /usr/local/lib/liblapack.a(zpotrf2.o): requires 
> dynamic R_X86_64_PC32 reloc against 'zpotrf2_' which may overflow at 
> runtime; recompile with -fPIC
> /usr/bin/ld.gold: error: /usr/local/lib/liblapack.a(sladiv.o): requires 
> dynamic R_X86_64_PC32 reloc against 'sladiv2_' which may overflow at 
> runtime; recompile with -fPIC
> /usr/bin/ld.gold: error: /usr/local/lib/liblapack.a(dladiv.o): requires 
> dynamic R_X86_64_PC32 reloc against 'dladiv2_' which may overflow at 
> runtime; recompile with -fPIC
> collect2: error: ld returned 1 exit status
> source/CMakeFiles/deal_II.g.dir/build.make:751: recipe for target 
> 'lib/libdeal_II.g.so.9.0.1' failed
> make[2]: *** [lib/libdeal_II.g.so.9.0.1] Error 1
> CMakeFiles/Makefile2:929: recipe for target 
> 'source/CMakeFiles/deal_II.g.dir/all' failed
> make[1]: *** [source/CMakeFiles/deal_II.g.dir/all] Error 2
> Makefile:129: recipe for target 'all' failed
> make: *** [all] Error 2
>
> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
> thank you!
> Wenguo.
>
> -- 
> The deal.II project is located at http://www.dealii.org/
> For mailing list/forum options, see 
> https://groups.google.com/d/forum/dealii?hl=en
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