In /logs/firmware/unblob_extracted/firmware_extract/56048-12514271.gzip_extract/gzip.uncompressed_extract/5243916-15068666.gzip_extract/gzip.uncompressed_extract/usr/bin/wolfssl-config line 12:

datadir="${datarootdir}"

         ^------------^ SC2154 (warning): datarootdir is referenced but not assigned.

In /logs/firmware/unblob_extracted/firmware_extract/56048-12514271.gzip_extract/gzip.uncompressed_extract/5243916-15068666.gzip_extract/gzip.uncompressed_extract/usr/bin/wolfssl-config line 41:

  --prefix=*) prefix=`echo $i | sed -e "s/--prefix=//"` ;

                     ^-- SC2006 (style): Use $(...) notation instead of legacy backticks `...`.

                           ^-- SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 

  --prefix=*) prefix=$(echo "$i" | sed -e "s/--prefix=//") ;

In /logs/firmware/unblob_extracted/firmware_extract/56048-12514271.gzip_extract/gzip.uncompressed_extract/5243916-15068666.gzip_extract/gzip.uncompressed_extract/usr/bin/wolfssl-config line 71:

  --pkglibinc)             o="$o -I$libinc/$package" ;

                                   ^-----^ SC2154 (warning): libinc is referenced but not assigned.

In /logs/firmware/unblob_extracted/firmware_extract/56048-12514271.gzip_extract/gzip.uncompressed_extract/5243916-15068666.gzip_extract/gzip.uncompressed_extract/usr/bin/wolfssl-config line 72:

  --pkglibadd)             o="$o -L$libadd/$package" ;

                                   ^-----^ SC2154 (warning): libadd is referenced but not assigned.

In /logs/firmware/unblob_extracted/firmware_extract/56048-12514271.gzip_extract/gzip.uncompressed_extract/5243916-15068666.gzip_extract/gzip.uncompressed_extract/usr/bin/wolfssl-config line 76:

       v=`echo $i | sed -e s://:\$:g`

         ^--------------------------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.

               ^-- SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 

       v=$(echo "$i" | sed -e s://:\$:g)

In /logs/firmware/unblob_extracted/firmware_extract/56048-12514271.gzip_extract/gzip.uncompressed_extract/5243916-15068666.gzip_extract/gzip.uncompressed_extract/usr/bin/wolfssl-config line 77:

       v=`eval "echo $v"` 

         ^--------------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.

Did you mean: 

       v=$(eval "echo $v") 

In /logs/firmware/unblob_extracted/firmware_extract/56048-12514271.gzip_extract/gzip.uncompressed_extract/5243916-15068666.gzip_extract/gzip.uncompressed_extract/usr/bin/wolfssl-config line 82:

o=`eval "echo $o"`

  ^--------------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.

Did you mean: 

o=$(eval "echo $o")

In /logs/firmware/unblob_extracted/firmware_extract/56048-12514271.gzip_extract/gzip.uncompressed_extract/5243916-15068666.gzip_extract/gzip.uncompressed_extract/usr/bin/wolfssl-config line 83:

o=`eval "echo $o"`

  ^--------------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.

Did you mean: 

o=$(eval "echo $o")

For more information:

  https://www.shellcheck.net/wiki/SC2154 -- datarootdir is referenced but not...

  https://www.shellcheck.net/wiki/SC2086 -- Double quote to prevent globbing ...

  https://www.shellcheck.net/wiki/SC2006 -- Use $(...) notation instead of le...