In /usr/bin/xdt-autogen line 30:
XDT_AUTOGEN_VERSION_NANO=""
^----------------------^ SC2034: XDT_AUTOGEN_VERSION_NANO appears unused. Verify use (or export if used externally).


In /usr/bin/xdt-autogen line 31:
XDT_AUTOGEN_VERSION_REVISION=""
^--------------------------^ SC2034: XDT_AUTOGEN_VERSION_REVISION appears unused. Verify use (or export if used externally).


In /usr/bin/xdt-autogen line 49:
    if type $a >/dev/null 2>&1; then
            ^-- SC2086: Double quote to prevent globbing and word splitting.

Did you mean: 
    if type "$a" >/dev/null 2>&1; then


In /usr/bin/xdt-autogen line 55:
  if ! type $AWK >/dev/null 2>/dev/null; then
            ^--^ SC2086: Double quote to prevent globbing and word splitting.

Did you mean: 
  if ! type "$AWK" >/dev/null 2>/dev/null; then


In /usr/bin/xdt-autogen line 71:
  test -f "$1" && cat "$1" | tr '\\n\\t\\\\' '   ' | sed -ne 's|.*AC_CONFIG_SUBDIRS(\[\{0,1\}\([[:alnum:]_ @/-]\{1,\}\).*|\1|p'
                      ^--^ SC2002: Useless cat. Consider 'cmd < file | ..' or 'cmd file | ..' instead.
                                          ^-- SC1003: Want to escape a single quote? echo 'This is how it'\''s done'.


In /usr/bin/xdt-autogen line 96:
  subdirs=`parse_configure_subdirs ${configure_ac_file}`
          ^-- SC2006: Use $(...) notation instead of legacy backticked `...`.
                                   ^------------------^ SC2086: Double quote to prevent globbing and word splitting.

Did you mean: 
  subdirs=$(parse_configure_subdirs "${configure_ac_file}")


In /usr/bin/xdt-autogen line 117:
  subdirs=`parse_configure_subdirs ${configure_ac_in_file}`
          ^-- SC2006: Use $(...) notation instead of legacy backticked `...`.
                                   ^---------------------^ SC2086: Double quote to prevent globbing and word splitting.

Did you mean: 
  subdirs=$(parse_configure_subdirs "${configure_ac_in_file}")


In /usr/bin/xdt-autogen line 129:
  echo "`basename $0` $VERSION"
        ^-----------^ SC2006: Use $(...) notation instead of legacy backticked `...`.
                  ^-- SC2086: Double quote to prevent globbing and word splitting.

Did you mean: 
  echo "$(basename "$0") $VERSION"


In /usr/bin/xdt-autogen line 139:
  major=`echo $XDT_AUTOGEN_REQUIRED_VERSION | cut -d. -f1`
        ^-- SC2006: Use $(...) notation instead of legacy backticked `...`.
              ^---------------------------^ SC2086: Double quote to prevent globbing and word splitting.

Did you mean: 
  major=$(echo "$XDT_AUTOGEN_REQUIRED_VERSION" | cut -d. -f1)


In /usr/bin/xdt-autogen line 141:
  test $major -le $XDT_AUTOGEN_VERSION_MAJOR || return 1
       ^----^ SC2086: Double quote to prevent globbing and word splitting.

Did you mean: 
  test "$major" -le $XDT_AUTOGEN_VERSION_MAJOR || return 1


In /usr/bin/xdt-autogen line 142:
  test $XDT_AUTOGEN_VERSION_MAJOR -gt $major && return 0
                                      ^----^ SC2086: Double quote to prevent globbing and word splitting.

Did you mean: 
  test $XDT_AUTOGEN_VERSION_MAJOR -gt "$major" && return 0


In /usr/bin/xdt-autogen line 144:
  minor=`echo $XDT_AUTOGEN_REQUIRED_VERSION | cut -d. -f2`
        ^-- SC2006: Use $(...) notation instead of legacy backticked `...`.
              ^---------------------------^ SC2086: Double quote to prevent globbing and word splitting.

Did you mean: 
  minor=$(echo "$XDT_AUTOGEN_REQUIRED_VERSION" | cut -d. -f2)


In /usr/bin/xdt-autogen line 146:
  test $minor -le $XDT_AUTOGEN_VERSION_MINOR || return 1
       ^----^ SC2086: Double quote to prevent globbing and word splitting.

Did you mean: 
  test "$minor" -le $XDT_AUTOGEN_VERSION_MINOR || return 1


In /usr/bin/xdt-autogen line 147:
  test $XDT_AUTOGEN_VERSION_MINOR -gt $minor && return 0
                                      ^----^ SC2086: Double quote to prevent globbing and word splitting.

Did you mean: 
  test $XDT_AUTOGEN_VERSION_MINOR -gt "$minor" && return 0


In /usr/bin/xdt-autogen line 149:
  micro=`echo $XDT_AUTOGEN_REQUIRED_VERSION | cut -d. -f3`
        ^-- SC2006: Use $(...) notation instead of legacy backticked `...`.
              ^---------------------------^ SC2086: Double quote to prevent globbing and word splitting.

Did you mean: 
  micro=$(echo "$XDT_AUTOGEN_REQUIRED_VERSION" | cut -d. -f3)


In /usr/bin/xdt-autogen line 151:
  test $micro -le $XDT_AUTOGEN_VERSION_MICRO || return 1
       ^----^ SC2086: Double quote to prevent globbing and word splitting.

Did you mean: 
  test "$micro" -le $XDT_AUTOGEN_VERSION_MICRO || return 1


In /usr/bin/xdt-autogen line 152:
  test $XDT_AUTOGEN_VERSION_MICRO -gt $micro && return 0
                                      ^----^ SC2086: Double quote to prevent globbing and word splitting.

Did you mean: 
  test $XDT_AUTOGEN_VERSION_MICRO -gt "$micro" && return 0


In /usr/bin/xdt-autogen line 176:
MASTER_DIR=`pwd`; test -z "${MASTER_DIR}" && MASTER_DIR="."
           ^---^ SC2006: Use $(...) notation instead of legacy backticked `...`.

Did you mean: 
MASTER_DIR=$(pwd); test -z "${MASTER_DIR}" && MASTER_DIR="."


In /usr/bin/xdt-autogen line 181:
CONFIGURE_AC_IN_FILES=`lookup_configure_ac_in_files "$MASTER_DIR"`
                      ^-- SC2006: Use $(...) notation instead of legacy backticked `...`.

Did you mean: 
CONFIGURE_AC_IN_FILES=$(lookup_configure_ac_in_files "$MASTER_DIR")


In /usr/bin/xdt-autogen line 183:
  configure_ac_file="`echo $configure_ac_in_file | sed -e 's:\.in$::'`"
                     ^-- SC2006: Use $(...) notation instead of legacy backticked `...`.
                           ^-------------------^ SC2086: Double quote to prevent globbing and word splitting.

Did you mean: 
  configure_ac_file="$(echo "$configure_ac_in_file" | sed -e 's:\.in$::')"


In /usr/bin/xdt-autogen line 187:
    revision=`git rev-parse --short HEAD`
             ^--------------------------^ SC2006: Use $(...) notation instead of legacy backticked `...`.

Did you mean: 
    revision=$(git rev-parse --short HEAD)


In /usr/bin/xdt-autogen line 195:
  conf_dir=`dirname $configure_ac_file`
           ^--------------------------^ SC2006: Use $(...) notation instead of legacy backticked `...`.
                    ^----------------^ SC2086: Double quote to prevent globbing and word splitting.

Did you mean: 
  conf_dir=$(dirname "$configure_ac_file")


In /usr/bin/xdt-autogen line 196:
  linguas=`cd "$conf_dir/po" 2>/dev/null && ls *.po 2>/dev/null | $AWK 'BEGIN { FS="."; ORS=" " } { print $1 }'`
          ^-- SC2006: Use $(...) notation instead of legacy backticked `...`.
                                            ^-----------------^ SC2012: Use find instead of ls to better handle non-alphanumeric filenames.
                                               ^-- SC2035: Use ./*glob* or -- *glob* so names with dashes won't become options.
                                                                       ^-- SC2016: Expressions don't expand in single quotes, use double quotes for that.

Did you mean: 
  linguas=$(cd "$conf_dir/po" 2>/dev/null && ls *.po 2>/dev/null | $AWK 'BEGIN { FS="."; ORS=" " } { print $1 }')


In /usr/bin/xdt-autogen line 199:
  tmp=`basename ${configure_ac_in_file}`
      ^-- SC2006: Use $(...) notation instead of legacy backticked `...`.
                ^---------------------^ SC2086: Double quote to prevent globbing and word splitting.

Did you mean: 
  tmp=$(basename "${configure_ac_in_file}")


In /usr/bin/xdt-autogen line 217:
CONFIGURE_AC_FILES=`lookup_configure_ac_files "$MASTER_DIR"`
                   ^-- SC2006: Use $(...) notation instead of legacy backticked `...`.

Did you mean: 
CONFIGURE_AC_FILES=$(lookup_configure_ac_files "$MASTER_DIR")


In /usr/bin/xdt-autogen line 243:
    directory=`dirname ${configure_ac_file}`
              ^----------------------------^ SC2006: Use $(...) notation instead of legacy backticked `...`.
                       ^------------------^ SC2086: Double quote to prevent globbing and word splitting.

Did you mean: 
    directory=$(dirname "${configure_ac_file}")


In /usr/bin/xdt-autogen line 246:
    (cd ${directory} ; ${MAKE} distclean) >/dev/null 2>&1
     ^-------------^ SC2164: Use 'cd ... || exit' or 'cd ... || return' in case cd fails.
        ^----------^ SC2086: Double quote to prevent globbing and word splitting.

Did you mean: 
    (cd "${directory}" || exit ; ${MAKE} distclean) >/dev/null 2>&1


In /usr/bin/xdt-autogen line 251:
    output_files=`tr '\\n\\t\\\\' '   ' < ${configure_ac_file} | sed -ne 's|.*AC_OUTPUT(\[\{0,1\}\([[:alnum:]_@/\. -]\{1,\}\).*|\1|p'`;
                 ^-- SC2006: Use $(...) notation instead of legacy backticked `...`.
                           ^-- SC1003: Want to escape a single quote? echo 'This is how it'\''s done'.
                                      ^------------------^ SC2086: Double quote to prevent globbing and word splitting.

Did you mean: 
    output_files=$(tr '\\n\\t\\\\' '   "' < ${configure_ac_f"ile} | sed -ne 's|.*AC_OUTPUT(\[\{0,1\}\([[:alnum:]_@/\. -]\{1,\}\).*|\1|p');


In /usr/bin/xdt-autogen line 253:
      if test x`basename $output_file` = x"Makefile"; then
               ^---------------------^ SC2046: Quote this to prevent word splitting.
               ^---------------------^ SC2006: Use $(...) notation instead of legacy backticked `...`.
                         ^----------^ SC2086: Double quote to prevent globbing and word splitting.

Did you mean: 
      if test x$(basename "$output_file") = x"Makefile"; then


In /usr/bin/xdt-autogen line 260:
    (cd ${directory} ;
     ^-------------^ SC2164: Use 'cd ... || exit' or 'cd ... || return' in case cd fails.
        ^----------^ SC2086: Double quote to prevent globbing and word splitting.

Did you mean: 
    (cd "${directory}" || exit ;


In /usr/bin/xdt-autogen line 264:
     rm -f stamp-h1 *.spec ;
                    ^-- SC2035: Use ./*glob* or -- *glob* so names with dashes won't become options.


In /usr/bin/xdt-autogen line 284:
    rm -f ${directory}/po/*.gmo;
          ^----------^ SC2086: Double quote to prevent globbing and word splitting.

Did you mean: 
    rm -f "${directory}"/po/*.gmo;


In /usr/bin/xdt-autogen line 389:
  directory=`dirname ${configure_ac_file}`
            ^----------------------------^ SC2006: Use $(...) notation instead of legacy backticked `...`.
                     ^------------------^ SC2086: Double quote to prevent globbing and word splitting.

Did you mean: 
  directory=$(dirname "${configure_ac_file}")


In /usr/bin/xdt-autogen line 486:
CONFIGURE_FLAGS="${XDT_CONFIGURE_FLAGS} $@"
                ^-------------------------^ SC2124: Assigning an array to a string! Assign as array, or use * instead of @ to concatenate.


In /usr/bin/xdt-autogen line 493:
for path in `echo "${XDG_DATA_DIRS}" | sed 's,:, ,g'`; do
            ^-- SC2006: Use $(...) notation instead of legacy backticked `...`.

Did you mean: 
for path in $(echo "${XDG_DATA_DIRS}" | sed 's,:, ,g'); do


In /usr/bin/xdt-autogen line 507:
  source_dir=`dirname ${configure_ac_file}`
             ^----------------------------^ SC2006: Use $(...) notation instead of legacy backticked `...`.
                      ^------------------^ SC2086: Double quote to prevent globbing and word splitting.

Did you mean: 
  source_dir=$(dirname "${configure_ac_file}")


In /usr/bin/xdt-autogen line 546:
        -e 's/^\(XGETTEXT[ ]*=[ ]*@XGETTEXT@\)[ ]*$/\1 $(XGETTEXT_ARGS)/' \
           ^-- SC2016: Expressions don't expand in single quotes, use double quotes for that.


In /usr/bin/xdt-autogen line 547:
        -e 's/^\(MSGMERGE[ ]*=\)[ ]*\(INTLTOOL_EXTRACT=\)/\1 XGETTEXT_ARGS="$(XGETTEXT_ARGS)" \2/' \
           ^-- SC2016: Expressions don't expand in single quotes, use double quotes for that.


In /usr/bin/xdt-autogen line 548:
        -e 's/^\(GENPOT[ ]*=\)[ ]*\(INTLTOOL_EXTRACT=\)/\1 XGETTEXT_ARGS="$(XGETTEXT_ARGS)" \2/' \
           ^-- SC2016: Expressions don't expand in single quotes, use double quotes for that.


In /usr/bin/xdt-autogen line 568:
     cd ${source_dir} &&
        ^-----------^ SC2086: Double quote to prevent globbing and word splitting.

Did you mean: 
     cd "${source_dir}" &&


In /usr/bin/xdt-autogen line 573:
   cd ${source_dir} &&
      ^-----------^ SC2086: Double quote to prevent globbing and word splitting.

Did you mean: 
   cd "${source_dir}" &&


In /usr/bin/xdt-autogen line 574:
   ${XDT_PROG_ACLOCAL} ${ACLOCAL_FLAGS}) || exit 1
                       ^--------------^ SC2086: Double quote to prevent globbing and word splitting.

Did you mean: 
   ${XDT_PROG_ACLOCAL} "${ACLOCAL_FLAGS}") || exit 1


In /usr/bin/xdt-autogen line 578:
     cd ${source_dir} &&
        ^-----------^ SC2086: Double quote to prevent globbing and word splitting.

Did you mean: 
     cd "${source_dir}" &&


In /usr/bin/xdt-autogen line 583:
   cd ${source_dir} &&
      ^-----------^ SC2086: Double quote to prevent globbing and word splitting.

Did you mean: 
   cd "${source_dir}" &&


In /usr/bin/xdt-autogen line 587:
   cd ${source_dir} &&
      ^-----------^ SC2086: Double quote to prevent globbing and word splitting.

Did you mean: 
   cd "${source_dir}" &&


In /usr/bin/xdt-autogen line 600:
   ./configure ${CONFIGURE_FLAGS} &&
               ^----------------^ SC2086: Double quote to prevent globbing and word splitting.

Did you mean: 
   ./configure "${CONFIGURE_FLAGS}" &&

For more information:
  https://www.shellcheck.net/wiki/SC2034 -- XDT_AUTOGEN_VERSION_NANO appears ...
  https://www.shellcheck.net/wiki/SC2046 -- Quote this to prevent word splitt...
  https://www.shellcheck.net/wiki/SC2124 -- Assigning an array to a string! A...