<p>I was building mlpack from source.After the make step, I get a linking error.<br>
jaskaran@ubuntu:~/Desktop/mlpack-1.0.12/build$ make<br>
Moving header files to include/mlpack/<br>
[ 0%] Built target mlpack_headers<br>
[ 30%] Built target mlpack<br>
Linking CXX executable ../../../../bin/cf<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_zptgemm'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_scopy'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_stpsv'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_saxpy'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_srotg'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_ztrsv'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_zhpr'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_cswap'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_drot'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_zgeru'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_stbsv'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_dsyr'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_zher2'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_cptgemm'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_cset'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_zdrot'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_ssyreflect'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_scnrm2'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_stbmv'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_zpther2k'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_cpthemm'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_cpttrsm'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_ztbsv'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_sspr'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_csyreflect'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_dpttrmm'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_dscal'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_dsyr2'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_zGetNB'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_ddot'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_zaxpy'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_cgeru'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_ssymv'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_dzasum'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_sptsyrk'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_ztbmv'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_snrm2'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_cptherk'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_zhpmv'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_cptsyr2k'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_zgbmv'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_dptgemm'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_ccopy'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_dset'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_cptsymm'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_sger'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_cher2'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_dGetNB'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_crotg'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_zswap'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_dtbsv'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_zdotc_sub'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_zptherk'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_ctpmv'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_zpttrsm'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_ctrsv'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_dptsyrk'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_zsyreflect'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_dspr'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_dtrsv'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_sptgemm'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_zgemv'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_cher'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_ssbmv'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_caxpy'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_sptsymm'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_cgerc'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_dnrm2'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_dsyreflect'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_sdsdot'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_spttrmm'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_cscal'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_stpmv'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_sspmv'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_cdotu_sub'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_ctbmv'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_icamax'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_sscal'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_sptsyr2k'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_ssyr'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_ctbsv'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_drotmg'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_spttrsm'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_zhpr2'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_ctpsv'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_zpthemm'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_dpttrsm'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_strmv'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_zcopy'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_idamax'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_zscal'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_cdotc_sub'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_dtbmv'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_sspr2'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_cpther2k'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_ztrmv'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_zcopyConj'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_zmoveConj'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_zptsyrk'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_cgemv'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_zcplxinvert'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_cscalConj'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_sasum'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_zscalConj'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_dcopy'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_zaxpby'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_cmoveConj'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_scasum'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_srotmg'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_dtpsv'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_sdot'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_chpr2'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_zhemv'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_zdotu_sub'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_zptsyr2k'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_chbmv'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_sswap'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_ccplxinvert'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_zptsymm'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_izamax'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_drotg'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_dtrmv'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_ztpmv'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_zher'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_srot'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_dsdot'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_ztpsv'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_srotm'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_daxpby'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_sset'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_zpttrmm'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_daxpy'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_dgemv'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_cpttrmm'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_ctrmv'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_ccopyConj'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_zgerc'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_dgbmv'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_dspr2'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_sgbmv'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_dptsyr2k'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_dsymv'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_sgemv'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_dsbmv'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_dasum'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_saxpby'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_dswap'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_chpmv'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_isamax'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_caxpby'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_dtpmv'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_dptsymm'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_chpr'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_dznrm2'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_ssyr2'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_sGetNB'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_zset'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_zhbmv'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_dger'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_chemv'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_cGetNB'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_csrot'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_dspmv'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_xerbla'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_drotm'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_cptsyrk'<br>
/usr/lib/liblapack.so.3gf: undefined reference to <code>ATL_cgbmv'<br>
/usr/lib/liblapack.so.3gf: undefined reference to</code>ATL_zrotg'<br>
/usr/lib/liblapack.so.3gf: undefined reference to `ATL_strsv'<br>
collect2: ld returned 1 exit status<br>
make[2]: *** [bin/cf] Error 1<br>
make[1]: *** [src/mlpack/methods/cf/CMakeFiles/cf.dir/all] Error 2<br>
make: *** [all] Error 2</p>
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