Some errors may occur when use parallel operation

[yangwu91]

To use parallel operation, you should build vsflib first:

   $ cd /dir/to /freebayes/vcflib/
   $ make

---

Error:

   ../vcflib/bin/vcfstreamsort: error while loading shared libraries: libhts.so: cannot open shared object file: No such file or directory

Solution:

   $ export LD_LIBRARY_LIB=$LD_LIBRARY_LIB:/dir/to/samtools/htslib-1.x.x/

---

Error:

   ./freebayes-parallel: line 38: parallel: command not found

Solution (Ubuntu):

   $ sudo apt-get install parallel

---

Error:

   ./freebayes-parallel: line 40: vcfuniq: command not found

Solution:
Modify Line 40 in /dir/to/freebayes/scripts/freebayes-parallel to this:

    | ../vcflib/bin/vcfstreamsort -w 1000 | ../vcflib/bin/vcfuniq # remove duplicates at region edges

[rwhetten]

Modify the environment variable $LD_LIBRARY_PATH, not $LD_LIBRARY_LIB, to solve the problem with libhts.so.1

 export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/path/to/htslib-1.x.x

[oushujun]

Solution for errors on libhts.so.1:

$ export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/path/to/**freebays**/htslib-1.x.x/

The htslib is not in /samtools/ but from the sub-module of freebayes

[tseemann]

@yangwu91 you need to install vcflib too.

[github-actions]

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[github-actions]

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