test: fix the source code checker POSIX conformity.

git-svn-id: svn://svn.zoy.org/elk/trunk@280 55e467fa-43c5-0310-a8a2-de718669efc6

test/check-build

@@ -1,33 +1,36 @@
 #!/bin/sh
 
-ret=0
-
 #
 # Check that we have no tabs or trailing spaces in the source code
 #
-failure=0
+nfails=0
+nfiles=0
+nlines=0
 for dir in lib/misc lib/unix lib/xlib lib/xwidgets lib/xwidgets/motif \
            lib/xwidgets/xaw src; do
-  pushd ../$dir >/dev/null
-  for x in $(make echo-sources); do
-    if grep '[[:space:]]$' "$x" >/dev/null 2>&1; then
+  if [ ! -d "../$dir" ]; then continue; fi
+  for x in $(make -s echo-sources -C ../$dir); do
+    case "$x" in
+      *.c|*.cpp|*.h|*.m|*.php|*.cs|*.java|.py|.pl)
+        nfiles=$(($nfiles + 1));
+        nlines=$(($nlines + `grep -c . "../$dir/$x"`)) ;;
+      *)
+        continue ;;
+    esac
+    if grep '[[:space:]]$' "../$dir/$x" >/dev/null 2>&1; then
       echo "error: $dir/$x contains trailing spaces"
-      failure=1
+      nfails=$(($nfails + 1))
     fi
-    if grep '	' "$x" >/dev/null 2>&1; then
+    if grep '	' "../$dir/$x" >/dev/null 2>&1; then
       echo "error: $dir/$x contains tabs"
-      failure=1
+      nfails=$(($nfails + 1))
     fi
   done
-  popd >/dev/null
 done
-if test "$failure" != "0"; then
-  ret=1
-else
-  echo "0 errors in source code"
-fi
 
-if test "$ret" != "0"; then
+echo "$nfiles files, $nlines lines, $nfails errors in source code"
+
+if test "$nfails" != "0"; then
   exit 1
 fi