In /usr/bin/xslt-config line 24:
    exit $1
         ^-- SC2086: Double quote to prevent globbing and word splitting.

Did you mean: 
    exit "$1"


In /usr/bin/xslt-config line 33:
    -*=*) optarg=`echo "$1" | sed 's/[-_a-zA-Z0-9]*=//'` ;;
                 ^-- SC2006: Use $(...) notation instead of legacy backticked `...`.

Did you mean: 
    -*=*) optarg=$(echo "$1" | sed 's/[-_a-zA-Z0-9]*=//') ;;


In /usr/bin/xslt-config line 41:
        libdir=${prefix}/lib
        ^----^ SC2034: libdir appears unused. Verify use (or export if used externally).


In /usr/bin/xslt-config line 48:
	echo $prefix
             ^-----^ SC2086: Double quote to prevent globbing and word splitting.

Did you mean: 
	echo "$prefix"


In /usr/bin/xslt-config line 57:
	echo $exec_prefix
             ^----------^ SC2086: Double quote to prevent globbing and word splitting.

Did you mean: 
	echo "$exec_prefix"


In /usr/bin/xslt-config line 120:
echo $other_flags $ord_libs
     ^----------^ SC2086: Double quote to prevent globbing and word splitting.
                  ^-------^ SC2086: Double quote to prevent globbing and word splitting.

Did you mean: 
echo "$other_flags" "$ord_libs"

For more information:
  https://www.shellcheck.net/wiki/SC2034 -- libdir appears unused. Verify use...
  https://www.shellcheck.net/wiki/SC2086 -- Double quote to prevent globbing ...
  https://www.shellcheck.net/wiki/SC2006 -- Use $(...) notation instead of le...