diff --git a/.travis.yml b/.travis.yml
index d8c27542b..106cd74a4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -32,28 +32,35 @@ jobs:
         - DOCKER_IMG="focal"
         - DOCKER_SCRIPT="./tools/build_extra_tests"
     - os: linux
-      dist: xenial
+      dist: bionic
+      services: docker
       compiler: gcc
       env:
-        - BUILD_TYPE="local"
-        - QT_VERSION="5.9.9" # 5.12.1 vtesto stmsdf fails with valgrind 3.11.0 which is on xenial
-      addons:
-        apt:
-          packages:
-            - expat
-            - fop
-            - valgrind
-            - xsltproc
-            - libxml2-utils
-            - libusb-1.0-0-dev
-            - docbook-xml
-            - docbook-xsl
-            - libgl1-mesa-dev
-            - libxkbcommon-x11-0 # for qt onliner installer 3.2.1
-      cache:
-        directories:
-          - $HOME/Cache
-        timeout: 600
+        - BUILD_TYPE="docker"
+        - DOCKER_IMG="f32"
+    #- os: linux
+    #  dist: xenial
+    #  compiler: gcc
+    #  env:
+    #    - BUILD_TYPE="local"
+    #    - QT_VERSION="5.9.9" # 5.12.1 vtesto stmsdf fails with valgrind 3.11.0 which is on xenial
+    #  addons:
+    #    apt:
+    #      packages:
+    #        - expat
+    #        - fop
+    #        - valgrind
+    #        - xsltproc
+    #        - libxml2-utils
+    #        - libusb-1.0-0-dev
+    #        - docbook-xml
+    #        - docbook-xsl
+    #        - libgl1-mesa-dev
+    #        - libxkbcommon-x11-0 # for qt onliner installer 3.2.1
+    #  cache:
+    #    directories:
+    #      - $HOME/Cache
+    #    timeout: 600
     - os: osx
       compiler: clang
       env:
diff --git a/test_encoding_latin1 b/test_encoding_latin1
index e2aa1c493..9f8c0fa36 100755
--- a/test_encoding_latin1
+++ b/test_encoding_latin1
@@ -13,104 +13,110 @@ errorcount=0
 
 if locale -a | grep -q en_US.iso88591 ; then
   export LC_ALL=en_US.iso88591
+  # check if QTextCodec::codecForLocale works
+  # It won't if Qt is using ICU and the ICU version is >= 61
+  # https://bugs.launchpad.net/ubuntu/+source/qtbase-opensource-src/+bug/1874832
+  if "$PNAME" -D1 2>&1 | grep -q 'mib 4' ; then
+    echo "Running latin1 file name encoding test"
+    filenamebase=test_encoding_file¢
+
+    # test input file name mangling with gpsbabel::File
+    echo "testing input file name with gpsbabel::File"
+    rm -f ${TMPDIR}/test_encoding_file*
+    cp ${REFERENCE}/bounds-test.gpx ${TMPDIR}/${filenamebase}.gpx
+    ${PNAME} -i gpx -f ${TMPDIR}/${filenamebase}.gpx -o kml -F ${TMPDIR}/test_encoding_fileo.kml || {
+      echo "ERROR: The input file name was mangled."
+      errorcount=`expr $errorcount + 1`
+    }
 
-echo "Running latin1 file name encoding test"
-filenamebase=test_encoding_file¢
-
-# test input file name mangling with gpsbabel::File
-  echo "testing input file name with gpsbabel::File"
-  rm -f ${TMPDIR}/test_encoding_file*
-  cp ${REFERENCE}/bounds-test.gpx ${TMPDIR}/${filenamebase}.gpx
-  ${PNAME} -i gpx -f ${TMPDIR}/${filenamebase}.gpx -o kml -F ${TMPDIR}/test_encoding_fileo.kml || {
-    echo "ERROR: The input file name was mangled."
-    errorcount=`expr $errorcount + 1`
-  }
-
-# test output file name mangling with gpsbabel::File
-  echo "testing output file name with gpsbabel::File"
-  rm -f ${TMPDIR}/test_encoding_file*
-  ${PNAME} -i gpx -f ${REFERENCE}/bounds-test.gpx -o kml -F ${TMPDIR}/${filenamebase}.kml
-  count=$(ls -1 -l ${TMPDIR}/${filenamebase}.kml 2>/dev/null | wc -l)
-  if [ $count -lt 1 ]; then
-    echo "ERROR: The output file name was mangled."
-    errorcount=`expr $errorcount + 1`
-  fi
-
-# test input file name mangling with gbfile stdapi
-  echo "testing input file name with gbfile stdapi"
-  rm -f ${TMPDIR}/test_encoding_file*
-  cp ${REFERENCE}/unicsv_subsec.csv ${TMPDIR}/${filenamebase}.csv
-  ${PNAME} -i unicsv -f ${TMPDIR}/${filenamebase}.csv -o kml -F ${TMPDIR}/test_encoding_fileo.kml || {
-    echo "ERROR: The input file name was mangled."
-    errorcount=`expr $errorcount + 1`
-  }
-
-# test output file name mangling with gbfile stdapi
-  echo "testing output file name with gbfile stdapi"
-  rm -f ${TMPDIR}/test_encoding_file*
-  ${PNAME} -i gpx -f ${REFERENCE}/bounds-test.gpx -o unicsv -F ${TMPDIR}/${filenamebase}.csv
-  count=$(ls -1 -l ${TMPDIR}/${filenamebase}.csv 2>/dev/null | wc -l)
-  if [ $count -lt 1 ]; then
-    echo "ERROR: The output file name was mangled."
-    errorcount=`expr $errorcount + 1`
-  fi
-
-# test input file name mangling with gbfile gzapi
-  echo "testing input file name with gbfile gzapi"
-  rm -f ${TMPDIR}/test_encoding_file*
-  cp ${REFERENCE}/sample.gtm.gz ${TMPDIR}/${filenamebase}.gtm.gz
-  ${PNAME} -i gtm -f ${TMPDIR}/${filenamebase}.gtm.gz -o kml -F ${TMPDIR}/test_encoding_fileo.kml || {
-    echo "ERROR: The input file name was mangled."
-    errorcount=`expr $errorcount + 1`
-  }
-
-# test output file name mangling with gbfile gzapi
-  echo "testing output file name with gbfile gzapi"
-  rm -f ${TMPDIR}/test_encoding_file*
-  ${PNAME} -i gpx -f ${REFERENCE}/bounds-test.gpx -o gtm -F ${TMPDIR}/${filenamebase}.gtm.gz
-  count=$(ls -1 -l ${TMPDIR}/${filenamebase}.gtm.gz 2>/dev/null | wc -l)
-  if [ $count -lt 1 ]; then
-    echo "ERROR: The output file name was mangled."
-    errorcount=`expr $errorcount + 1`
-  fi
+    # test output file name mangling with gpsbabel::File
+    echo "testing output file name with gpsbabel::File"
+    rm -f ${TMPDIR}/test_encoding_file*
+    ${PNAME} -i gpx -f ${REFERENCE}/bounds-test.gpx -o kml -F ${TMPDIR}/${filenamebase}.kml
+    count=$(ls -1 -l ${TMPDIR}/${filenamebase}.kml 2>/dev/null | wc -l)
+    if [ $count -lt 1 ]; then
+      echo "ERROR: The output file name was mangled."
+      errorcount=`expr $errorcount + 1`
+    fi
 
-# test input file name mangling with shape files
-  echo "testing input file name with shape files"
-  rm -f ${TMPDIR}/test_encoding_file*
-  for ext in cpg dbf prj shp shx
-  do
-    cp ${REFERENCE}/gis.osm_railways_free_1.${ext} ${TMPDIR}/${filenamebase}.${ext}
-  done
-  ${PNAME} -r -i shape -f ${TMPDIR}/${filenamebase}.shp -o kml -F ${TMPDIR}/test_encoding_fileo.kml || {
-    echo "ERROR: The input file name was mangled."
-    errorcount=`expr $errorcount + 1`
-  }
+    # test input file name mangling with gbfile stdapi
+    echo "testing input file name with gbfile stdapi"
+    rm -f ${TMPDIR}/test_encoding_file*
+    cp ${REFERENCE}/unicsv_subsec.csv ${TMPDIR}/${filenamebase}.csv
+    ${PNAME} -i unicsv -f ${TMPDIR}/${filenamebase}.csv -o kml -F ${TMPDIR}/test_encoding_fileo.kml || {
+      echo "ERROR: The input file name was mangled."
+      errorcount=`expr $errorcount + 1`
+    }
 
-# test output file name mangling with shape files
-  echo "testing output file name with shape files"
-  rm -f ${TMPDIR}/test_encoding_file*
-  ${PNAME} -r -i gpx -f ${REFERENCE}/bounds-test.gpx -o shape -F ${TMPDIR}/${filenamebase}.shp
-  for ext in cpg dbf shp shx
-  do
-    count=$(ls -1 -l ${TMPDIR}/${filenamebase}.${ext} 2>/dev/null | wc -l)
+    # test output file name mangling with gbfile stdapi
+    echo "testing output file name with gbfile stdapi"
+    rm -f ${TMPDIR}/test_encoding_file*
+    ${PNAME} -i gpx -f ${REFERENCE}/bounds-test.gpx -o unicsv -F ${TMPDIR}/${filenamebase}.csv
+    count=$(ls -1 -l ${TMPDIR}/${filenamebase}.csv 2>/dev/null | wc -l)
     if [ $count -lt 1 ]; then
       echo "ERROR: The output file name was mangled."
       errorcount=`expr $errorcount + 1`
     fi
-  done
-  rm -f ${TMPDIR}/test_encoding_file*
-  ${PNAME} -w -i gpx -f ${REFERENCE}/bounds-test.gpx -o shape -F ${TMPDIR}/${filenamebase}.shp
-  for ext in cpg dbf shp shx
-  do
-    count=$(ls -1 -l ${TMPDIR}/${filenamebase}.${ext} 2>/dev/null | wc -l)
+
+    # test input file name mangling with gbfile gzapi
+    echo "testing input file name with gbfile gzapi"
+    rm -f ${TMPDIR}/test_encoding_file*
+    cp ${REFERENCE}/sample.gtm.gz ${TMPDIR}/${filenamebase}.gtm.gz
+    ${PNAME} -i gtm -f ${TMPDIR}/${filenamebase}.gtm.gz -o kml -F ${TMPDIR}/test_encoding_fileo.kml || {
+      echo "ERROR: The input file name was mangled."
+      errorcount=`expr $errorcount + 1`
+    }
+
+    # test output file name mangling with gbfile gzapi
+    echo "testing output file name with gbfile gzapi"
+    rm -f ${TMPDIR}/test_encoding_file*
+    ${PNAME} -i gpx -f ${REFERENCE}/bounds-test.gpx -o gtm -F ${TMPDIR}/${filenamebase}.gtm.gz
+    count=$(ls -1 -l ${TMPDIR}/${filenamebase}.gtm.gz 2>/dev/null | wc -l)
     if [ $count -lt 1 ]; then
       echo "ERROR: The output file name was mangled."
       errorcount=`expr $errorcount + 1`
     fi
-  done
-
-# TODO: add tests to cover formats that use other open methods.
 
+    # test input file name mangling with shape files
+    echo "testing input file name with shape files"
+    rm -f ${TMPDIR}/test_encoding_file*
+    for ext in cpg dbf prj shp shx
+    do
+      cp ${REFERENCE}/gis.osm_railways_free_1.${ext} ${TMPDIR}/${filenamebase}.${ext}
+    done
+    ${PNAME} -r -i shape -f ${TMPDIR}/${filenamebase}.shp -o kml -F ${TMPDIR}/test_encoding_fileo.kml || {
+      echo "ERROR: The input file name was mangled."
+      errorcount=`expr $errorcount + 1`
+    }
+
+    # test output file name mangling with shape files
+    echo "testing output file name with shape files"
+    rm -f ${TMPDIR}/test_encoding_file*
+    ${PNAME} -r -i gpx -f ${REFERENCE}/bounds-test.gpx -o shape -F ${TMPDIR}/${filenamebase}.shp
+    for ext in cpg dbf shp shx
+    do
+      count=$(ls -1 -l ${TMPDIR}/${filenamebase}.${ext} 2>/dev/null | wc -l)
+      if [ $count -lt 1 ]; then
+        echo "ERROR: The output file name was mangled."
+        errorcount=`expr $errorcount + 1`
+      fi
+    done
+    rm -f ${TMPDIR}/test_encoding_file*
+    ${PNAME} -w -i gpx -f ${REFERENCE}/bounds-test.gpx -o shape -F ${TMPDIR}/${filenamebase}.shp
+    for ext in cpg dbf shp shx
+    do
+      count=$(ls -1 -l ${TMPDIR}/${filenamebase}.${ext} 2>/dev/null | wc -l)
+      if [ $count -lt 1 ]; then
+        echo "ERROR: The output file name was mangled."
+        errorcount=`expr $errorcount + 1`
+      fi
+    done
+
+    # TODO: add tests to cover formats that use other open methods.
+
+  else
+    echo "$0 cannot run, QTextCodec::codecForLocale not respecting LC_ALL"
+  fi
 else
   echo "$0 cannot run without the en_US.iso88591 locale."
 fi
diff --git a/tools/Dockerfile_f32 b/tools/Dockerfile_f32
new file mode 100644
index 000000000..aefe405c7
--- /dev/null
+++ b/tools/Dockerfile_f32
@@ -0,0 +1,23 @@
+# this file is used to build the image gpsbabel_build_environment used by travis.
+
+FROM fedora:32
+
+LABEL maintainer="https://github.com/tsteven4"
+
+WORKDIR /app
+
+# basic tools to build
+RUN dnf install --assumeyes git gperf make valgrind diffutils which findutils langpacks-en && \
+    dnf clean all
+# libraries used by gpsbabel.  zlib and shapelib may or may not be used depending qmake options.
+RUN dnf install --assumeyes libusb-devel zlib-devel shapelib-devel && \
+    dnf clean all
+# Qt used by gpsbabel, gpsbabelfe
+RUN dnf install --assumeyes qt5-qtbase-devel qt5-qtwebengine-devel qt5-linguist qt5-qttranslations && \
+    dnf clean all
+# tools to build the docs
+RUN dnf install --assumeyes expat desktop-file-utils libxslt docbook-style-xsl fop && \
+    dnf clean all
+# create a link as fedora uses the name qmake-qt5 for Qt5's qmake.
+RUN alternatives --install /usr/bin/qmake qt /usr/lib64/qt5/bin/qmake 100
+