--- a/configure.ac	2020-11-16 20:32:09.441503163 -0600
+++ b/configure.ac	2020-11-16 20:26:30.180884558 -0600
@@ -271,7 +271,7 @@
   [(automatic)],
   [
     yes)
-         if test "$FOUND_CUPS_CONFIG" == "yes" ; then
+         if test "$FOUND_CUPS_CONFIG" = "yes" ; then
 	   [BUILD_CUPS]="yes"
 	   AC_MSG_RESULT([yes])
 	   cups_prefix="/usr"
@@ -289,7 +289,7 @@
          AC_MSG_ERROR([${withval}: no such directory for --with-cups])
        fi ;;
   ],[
-     if test "$FOUND_CUPS_CONFIG" == "yes" ; then
+     if test "$FOUND_CUPS_CONFIG" = "yes" ; then
        cups_prefix="${prefix}"
        [BUILD_CUPS]="yes"
      else
--- a/configure	2020-11-16 20:55:19.808886942 -0600
+++ b/configure	2020-11-16 20:56:14.992704666 -0600
@@ -12747,7 +12747,7 @@
   withval=$with_cups; case "${withval}" in
 
     yes)
-         if test "$FOUND_CUPS_CONFIG" == "yes" ; then
+         if test "$FOUND_CUPS_CONFIG" = "yes" ; then
 	   BUILD_CUPS="yes"
 	   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
@@ -12776,7 +12776,7 @@
              fi
              { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${BUILD_CUPS}" >&5
 $as_echo "${BUILD_CUPS}" >&6; } ;
-     if test "$FOUND_CUPS_CONFIG" == "yes" ; then
+     if test "$FOUND_CUPS_CONFIG" = "yes" ; then
        cups_prefix="${prefix}"
        BUILD_CUPS="yes"
      else