Use .skel suffix instead of .in

setup/mk.sh

 build1() {
     local srcpath dstpath
     srcpath=$1
-    dstpath=${srcpath%.in}
+    dstpath=${srcpath%.skel}
     perl -pe "
         s|__EECC_INI_PATH__|$EECC_INI_PATH_GLOBAL:\\\$HOME/$EECC_INI_PATH_USER|;
         s|__VERSION__|$VERSION|;
 
 build() {
     local srcpath
-    find -type f -name '*.in' \
+    find -type f -name '*.skel' \
      | while read srcpath;
        do
            build1 "$srcpath"
 
 run_test() {
     pushd test
-    find -maxdepth 1 -type f \! -name '*.in' | while read test;
+    find -maxdepth 1 -type f \! -name '*.skel' | while read test;
     do
         chmod 0755 $test
         $test || exit $?