build error

[huchhong]

I tried to build april-ann in ubuntu 16.04. After executing DEPENDENCIES-INSTALLER.sh which was successful, there was some errors during make:

/usr/lib/gcc/x86_64-linux-gnu/5/../../../../lib/liblapacke.so: undefined reference to zggsvd3_'
/usr/lib/gcc/x86_64-linux-gnu/5/../../../../lib/liblapacke.so: undefined reference to cggsvd3_' /usr/lib/gcc/x86_64-linux-gnu/5/../../../../lib/liblapacke.so: undefined reference to sgghd3_'
/usr/lib/gcc/x86_64-linux-gnu/5/../../../../lib/liblapacke.so: undefined reference to cggev3_' /usr/lib/gcc/x86_64-linux-gnu/5/../../../../lib/liblapacke.so: undefined reference to zgghd3_'
/usr/lib/gcc/x86_64-linux-gnu/5/../../../../lib/liblapacke.so: undefined reference to cgges3_' /usr/lib/gcc/x86_64-linux-gnu/5/../../../../lib/liblapacke.so: undefined reference to cgetrf2_'
/usr/lib/gcc/x86_64-linux-gnu/5/../../../../lib/liblapacke.so: undefined reference to zgesvj_' /usr/lib/gcc/x86_64-linux-gnu/5/../../../../lib/liblapacke.so: undefined reference to dgetrf2_'
/usr/lib/gcc/x86_64-linux-gnu/5/../../../../lib/liblapacke.so: undefined reference to cggsvp3_' /usr/lib/gcc/x86_64-linux-gnu/5/../../../../lib/liblapacke.so: undefined reference to zggsvp3_'
/usr/lib/gcc/x86_64-linux-gnu/5/../../../../lib/liblapacke.so: undefined reference to sggev3_' /usr/lib/gcc/x86_64-linux-gnu/5/../../../../lib/liblapacke.so: undefined reference to zggev3_'
/usr/lib/gcc/x86_64-linux-gnu/5/../../../../lib/liblapacke.so: undefined reference to zgesvdx_' /usr/lib/gcc/x86_64-linux-gnu/5/../../../../lib/liblapacke.so: undefined reference to spotrf2_'
/usr/lib/gcc/x86_64-linux-gnu/5/../../../../lib/liblapacke.so: undefined reference to sgges3_' /usr/lib/gcc/x86_64-linux-gnu/5/../../../../lib/liblapacke.so: undefined reference to sgetrf2_'
/usr/lib/gcc/x86_64-linux-gnu/5/../../../../lib/liblapacke.so: undefined reference to cgesvdx_' /usr/lib/gcc/x86_64-linux-gnu/5/../../../../lib/liblapacke.so: undefined reference to zpotrf2_'
/usr/lib/gcc/x86_64-linux-gnu/5/../../../../lib/liblapacke.so: undefined reference to dggsvd3_' /usr/lib/gcc/x86_64-linux-gnu/5/../../../../lib/liblapacke.so: undefined reference to dgghd3_'
/usr/lib/gcc/x86_64-linux-gnu/5/../../../../lib/liblapacke.so: undefined reference to dggev3_' /usr/lib/gcc/x86_64-linux-gnu/5/../../../../lib/liblapacke.so: undefined reference to zgejsv_'
/usr/lib/gcc/x86_64-linux-gnu/5/../../../../lib/liblapacke.so: undefined reference to sbdsvdx_' /usr/lib/gcc/x86_64-linux-gnu/5/../../../../lib/liblapacke.so: undefined reference to dpotrf2_'
/usr/lib/gcc/x86_64-linux-gnu/5/../../../../lib/liblapacke.so: undefined reference to sggsvp3_' /usr/lib/gcc/x86_64-linux-gnu/5/../../../../lib/liblapacke.so: undefined reference to dgesvdx_'
/usr/lib/gcc/x86_64-linux-gnu/5/../../../../lib/liblapacke.so: undefined reference to dgges3_' /usr/lib/gcc/x86_64-linux-gnu/5/../../../../lib/liblapacke.so: undefined reference to zgges3_'
/usr/lib/gcc/x86_64-linux-gnu/5/../../../../lib/liblapacke.so: undefined reference to dbdsvdx_' /usr/lib/gcc/x86_64-linux-gnu/5/../../../../lib/liblapacke.so: undefined reference to zgetrf2_'
/usr/lib/gcc/x86_64-linux-gnu/5/../../../../lib/liblapacke.so: undefined reference to cgesvj_' /usr/lib/gcc/x86_64-linux-gnu/5/../../../../lib/liblapacke.so: undefined reference to sgesvdx_'
/usr/lib/gcc/x86_64-linux-gnu/5/../../../../lib/liblapacke.so: undefined reference to sggsvd3_' /usr/lib/gcc/x86_64-linux-gnu/5/../../../../lib/liblapacke.so: undefined reference to dggsvp3_'
/usr/lib/gcc/x86_64-linux-gnu/5/../../../../lib/liblapacke.so: undefined reference to cpotrf2_' /usr/lib/gcc/x86_64-linux-gnu/5/../../../../lib/liblapacke.so: undefined reference to cgghd3_'
collect2: error: ld returned 1 exit status
Error 1 in .
`

How can i fix this error?

[huchhong]

After installing libopenblas-dev, it's building fine now.

[pakozm]

Thanks, it is good to know how to solve the issue. I will reopen to annotate the problem and its solution.