Building Armadillo linear algebra library, failing to link with SuperLU on Ubuntu 14.04.3 LTS. X cannot be used when making a shared object
<p>I am trying to install the latest version of Armadillo (6.500.5) <a href="http://arma.sourceforge.net/" rel="nofollow">http://arma.sourceforge.net/</a> on Ubuntu 14.04.3 LTS.</p>

<p>I require the ability to solve sparse linear systems, so as per the instructions I need SuperLU version 4.3 installed. I installed SuperLU 4.3, but when trying to build Armadillo I receive the following error</p>

<blockquote>
  <p>Scanning dependencies of target armadillo</p>
  
  <p>[100%] Building CXX object CMakeFiles/armadillo.dir/src/wrapper.cpp.o
  Linking CXX shared library libarmadillo.so</p>
  
  <p>/usr/bin/ld: /usr/lib/SuperLU_4.3/lib/libsuperlu_4.3.a(sgssv.o): relocation R_X86_64_32 against `.rodata.str1.1' can not be used when making a shared object; recompile with -fPIC</p>
  
  <p>/usr/lib/SuperLU_4.3/lib/libsuperlu_4.3.a: error adding symbols: Bad value</p>
  
  <p>clang: error: linker command failed with exit code 1 (use -v to see invocation)</p>
  
  <p>make[2]: *** [libarmadillo.so.6.500.5] Error 1</p>
  
  <p>make[1]: *** [CMakeFiles/armadillo.dir/all] Error 2</p>
  
  <p>make: *** [all] Error 2</p>
</blockquote>

<p>So I added the -fPIC flag to the SuperLU makefile and recompiled SuperLU, but then get a very slightly different error</p>

<blockquote>
  <p>Linking CXX shared library libarmadillo.so</p>
  
  <p>/usr/bin/ld: /usr/lib/SuperLU_4.3/lib/libsuperlu_4.3.a(superlu_timer.o): relocation R_X86_64_PC32 against undefined symbol `sysconf@@GLIBC_2.2.5' can not be used when making a shared object; recompile with -fPIC</p>
  
  <p>/usr/bin/ld: final link failed: Bad value</p>
  
  <p>clang: error: linker command failed with exit code 1 (use -v to see invocation)</p>
  
  <p>make[2]: *** [libarmadillo.so.6.500.5] Error 1</p>
  
  <p>make[1]: *** [CMakeFiles/armadillo.dir/all] Error 2</p>
  
  <p>make: *** [all] Error 2</p>
</blockquote>

<p>I am not sure where to go from here. It seems that Armadillo expects to find SuperLU in a shared library format, wheras SuperLU installs itself as a static library. The version of Armdillo available in the package manager seems to be too out of date and does not have the features that I need.</p>

<p>Here are some of the Makefiles</p>

<p><strong>Top Level Makefile for SuperLU</strong></p>

<pre><code>############################################################################
#
#  Program:         SuperLU
#
#  Module:          Makefile
#
#  Purpose:         Top-level Makefile
#
#  Creation date:   October 2, 1995
#
#  Modified:        February 4,  1997  Version 1.0
#           November 15, 1997  Version 1.1
#           September 1, 1999  Version 2.0
#           October 15,  2003  Version 3.0
#           August 1,    2008  Version 3.1
#
############################################################################

include make.inc

all: install lib testing

lib: superlulib tmglib

clean: cleanlib cleantesting

install:
    ( cd INSTALL; $(MAKE) )
#   ( cd INSTALL; cp lsame.c ../SRC/; \
#     cp dlamch.c ../SRC/; cp slamch.c ../SRC/ )

blaslib:
    ( cd CBLAS; $(MAKE) )

superlulib:
    ( cd SRC; $(MAKE) )

tmglib:
    ( cd TESTING/MATGEN; $(MAKE) )

matlabmex:
    ( cd MATLAB; $(MAKE) )

testing:
    ( cd TESTING ; $(MAKE) )

doc:
    doxygen Doxyfile

cleanlib:
    ( cd SRC; $(MAKE) clean )
    ( cd TESTING/MATGEN; $(MAKE) clean )
    ( cd CBLAS; $(MAKE) clean )

cleantesting:
    ( cd INSTALL; $(MAKE) clean )
    ( cd TESTING; $(MAKE) clean )
    ( cd MATLAB;  $(MAKE) clean )
    ( cd EXAMPLE; $(MAKE) clean )
    ( cd FORTRAN; $(MAKE) clean )
</code></pre>

<p><strong>make.inc in SuperLU</strong></p>

<pre><code>############################################################################
#
#  Program:         SuperLU
#
#  Module:          make.inc
#
#  Purpose:         Top-level Definitions
#
#  Creation date:   October 2, 1995
#
#  Modified:        February 4, 1997  Version 1.0
#           November 15, 1997 Version 1.1
#           September 1, 1999 Version 2.0
#
############################################################################
#
#  The machine (platform) identifier to append to the library names
#
PLAT = _linux

#
#  The name of the libraries to be created/linked to
#
SuperLUroot = /usr/lib/SuperLU_4.3
SUPERLULIB      = $(SuperLUroot)/lib/libsuperlu_4.3.a

#BLASLIB    = $(SuperLUroot)/lib/libblas.a

## ATLAS BLAS causes single-precision to fail
#BLASDEF = -DUSE_VENDOR_BLAS
#BLASLIB = /usr/lib/libopenblas.a

## This BLAS causes single-precision to fail the test in SuperLU
# BLASDEF   = -DUSE_VENDOR_BLAS
BLASLIB = ../lib/blas$(PLAT).a

TMGLIB          = libtmglib.a
LIBS        = $(SUPERLULIB) $(BLASLIB)

#
#  The archiver and the flag(s) to use when building archive (library)
#  If your system has no ranlib, set RANLIB = echo.
#
ARCH         = ar
ARCHFLAGS    = cr
RANLIB       = ranlib

CC           = gcc
CFLAGS       = -O3 -fPIC
NOOPTS       = 
FORTRAN      = g77
FFLAGS       = -O2 -fPIC
LOADER       = $(CC)
LOADOPTS     = -fPIC

#
#  C preprocessor defs for compilation for the Fortran interface
#  (-DNoChange, -DAdd_, -DAdd__, or -DUpCase)
#
CDEFS        = -DAdd_
#
# The directory in which Matlab is installed
#
MATLAB       = /usr/local/MATLAB/R2015b
</code></pre>

<p><strong>SRC/Makefile in SuperLU</strong></p>

<pre><code># makefile for sparse supernodal LU, implemented in ANSI C
include ../make.inc

#######################################################################
#  This is the makefile to create a library for SuperLU.
#  The files are organized as follows:
#
#       ALLAUX -- Auxiliary routines called from all precisions of SuperLU
#   LAAUX  -- LAPACK auxiliary routines called from all precisions
#   SLASRC -- LAPACK single precision real routines
#   DLASRC -- LAPACK double precision real routines
#   CLASRC -- LAPACK single precision complex routines
#   ZLASRC -- LAPACK double precision complex routines
#       SCLAUX -- LAPACK Auxiliary routines called from both real and complex
#       DZLAUX -- LAPACK Auxiliary routines called from both double precision
#                 and complex*16
#   SLUSRC -- Single precision real SuperLU routines
#       DLUSRC -- Double precision real SuperLU routines
#   CLUSRC -- Single precision complex SuperLU routines
#       ZLUSRC -- Double precision complex SuperLU routines
#
#  The library can be set up to include routines for any combination
#  of the four precisions.  To create or add to the library, enter make
#  followed by one or more of the precisions desired.  Some examples:
#       make single
#       make single double
#       make single double complex complex16
#  Alternatively, the command
#       make
#  without any arguments creates a library of all four precisions.
#  The library is called
#       superlu.a
#  and is created at the next higher directory level.
#
#  To remove the object files after the library is created, enter
#       make clean
#
#######################################################################

### LAPACK 
LAAUX   = lsame.o xerbla.o
SLASRC  = slacon.o 
DLASRC  = dlacon.o
CLASRC  = clacon.o scsum1.o icmax1.o
ZLASRC  = zlacon.o dzsum1.o izmax1.o
SCLAUX  = slamch.o
DZLAUX  = dlamch.o

### SuperLU 
ALLAUX  = superlu_timer.o util.o memory.o get_perm_c.o mmd.o \
      sp_coletree.o sp_preorder.o sp_ienv.o relax_snode.o \
      heap_relax_snode.o colamd.o \
      ilu_relax_snode.o ilu_heap_relax_snode.o mark_relax.o \
      mc64ad.o qselect.o

SLUSRC = \
    sgssv.o sgssvx.o \
    ssp_blas2.o ssp_blas3.o sgscon.o  \
    slangs.o sgsequ.o slaqgs.o spivotgrowth.o \
    sgsrfs.o sgstrf.o sgstrs.o scopy_to_ucol.o \
    ssnode_dfs.o ssnode_bmod.o \
    spanel_dfs.o spanel_bmod.o \
    sreadhb.o sreadrb.o sreadtriple.o \
    scolumn_dfs.o scolumn_bmod.o spivotL.o spruneL.o \
    smemory.o sutil.o smyblas2.o \
    sgsisx.o sgsitrf.o sldperm.o \
    ilu_sdrop_row.o ilu_ssnode_dfs.o \
    ilu_scolumn_dfs.o ilu_spanel_dfs.o ilu_scopy_to_ucol.o \
    ilu_spivotL.o sdiagonal.o

DLUSRC = \
    dgssv.o dgssvx.o \
    dsp_blas2.o dsp_blas3.o dgscon.o \
    dlangs.o dgsequ.o dlaqgs.o dpivotgrowth.o  \
    dgsrfs.o dgstrf.o dgstrs.o dcopy_to_ucol.o \
    dsnode_dfs.o dsnode_bmod.o dpanel_dfs.o dpanel_bmod.o \
    dreadhb.o dreadrb.o dreadtriple.o \
    dcolumn_dfs.o dcolumn_bmod.o dpivotL.o dpruneL.o \
    dmemory.o dutil.o dmyblas2.o \
    dgsisx.o dgsitrf.o dldperm.o \
    ilu_ddrop_row.o ilu_dsnode_dfs.o \
    ilu_dcolumn_dfs.o ilu_dpanel_dfs.o ilu_dcopy_to_ucol.o \
    ilu_dpivotL.o ddiagonal.o 
        ## dgstrsL.o dgstrsU.o

CLUSRC = \
    scomplex.o cgssv.o cgssvx.o csp_blas2.o csp_blas3.o cgscon.o \
    clangs.o cgsequ.o claqgs.o cpivotgrowth.o  \
    cgsrfs.o cgstrf.o cgstrs.o ccopy_to_ucol.o \
    csnode_dfs.o csnode_bmod.o \
    cpanel_dfs.o cpanel_bmod.o \
    creadhb.o creadrb.o creadtriple.o \
    ccolumn_dfs.o ccolumn_bmod.o cpivotL.o cpruneL.o \
    cmemory.o cutil.o cmyblas2.o \
    cgsisx.o cgsitrf.o cldperm.o \
    ilu_cdrop_row.o ilu_csnode_dfs.o \
    ilu_ccolumn_dfs.o ilu_cpanel_dfs.o ilu_ccopy_to_ucol.o \
    ilu_cpivotL.o cdiagonal.o

ZLUSRC = \
    dcomplex.o zgssv.o zgssvx.o zsp_blas2.o zsp_blas3.o zgscon.o \
    zlangs.o zgsequ.o zlaqgs.o zpivotgrowth.o  \
    zgsrfs.o zgstrf.o zgstrs.o zcopy_to_ucol.o \
    zsnode_dfs.o zsnode_bmod.o \
    zpanel_dfs.o zpanel_bmod.o \
    zreadhb.o zreadrb.o zreadtriple.o \
    zcolumn_dfs.o zcolumn_bmod.o zpivotL.o zpruneL.o \
    zmemory.o zutil.o zmyblas2.o \
    zgsisx.o zgsitrf.o zldperm.o \
    ilu_zdrop_row.o ilu_zsnode_dfs.o \
    ilu_zcolumn_dfs.o ilu_zpanel_dfs.o ilu_zcopy_to_ucol.o \
    ilu_zpivotL.o zdiagonal.o

all:    single double complex complex16

single: $(SLUSRC) $(ALLAUX) $(LAAUX) $(SLASRC) $(SCLAUX)
    $(ARCH) $(ARCHFLAGS) $(SUPERLULIB) \
        $(SLUSRC) $(ALLAUX) $(LAAUX) $(SLASRC) $(SCLAUX)
    $(RANLIB) $(SUPERLULIB)

double: $(DLUSRC) $(ALLAUX) $(LAAUX) $(DLASRC) $(DZLAUX)
    $(ARCH) $(ARCHFLAGS) $(SUPERLULIB) \
                $(DLUSRC) $(ALLAUX) $(LAAUX) $(DLASRC) $(DZLAUX)
    $(RANLIB) $(SUPERLULIB)

complex: $(CLUSRC) $(ALLAUX) $(LAAUX) $(CLASRC) $(SCLAUX)
    $(ARCH) $(ARCHFLAGS) $(SUPERLULIB) \
        $(CLUSRC) $(ALLAUX) $(LAAUX) $(CLASRC) $(SCLAUX)
    $(RANLIB) $(SUPERLULIB)

complex16: $(ZLUSRC) $(ALLAUX) $(LAAUX) $(ZLASRC) $(DZLAUX)
    $(ARCH) $(ARCHFLAGS) $(SUPERLULIB) \
        $(ZLUSRC) $(ALLAUX) $(LAAUX) $(ZLASRC) $(DZLAUX)
    $(RANLIB) $(SUPERLULIB)


##################################
# Do not optimize these routines #
##################################
slamch.o: slamch.c ; $(CC) -c $(NOOPTS) $(CDEFS) $&lt;
dlamch.o: dlamch.c ; $(CC) -c $(NOOPTS) $(CDEFS) $&lt;
superlu_timer.o:  superlu_timer.c ; $(CC) -c $(NOOPTS) $&lt;
##################################

.c.o:
    $(CC) $(CFLAGS) $(CDEFS) $(BLASDEF) -c $&lt; $(VERBOSE)

.f.o:
    $(FORTRAN) $(FFLAGS) -c $&lt;

clean:  
    rm -f *.o $(SUPERLULIB)
</code></pre>

<p><strong>Armadillo Makefile generated by CMake</strong></p>

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<p>Please let me know what I should try. I am not very experienced with compiling/linking libraries on Linux, so please provide details if possible. Thank you.</p>