Fixes for cmake-testsuite...

- Use CGAL_RELEASE_DIR as CGAL_DIR to have the real setup
 - Use RUNNING_CGAL_AUTO_TEST to detect a testsuite setup

Scripts/developer_scripts/autotest_cgal

@@ -391,7 +391,7 @@ setup_dirs()
     log "${ACTUAL_LOGFILE}" "Creating ${CGAL_DIR}/cmake/platforms"
   fi
 
-  CGAL_RELEASE_DIR="${CGAL_DIR}"
+  export CGAL_RELEASE_DIR="${CGAL_DIR}"
 
   CGAL_RELEASE_ID=`basename "${CGAL_RELEASE_DIR}"`
 
@@ -666,7 +666,7 @@ EOF
       cat >> "$file" <<EOF
 echo 'COLLECTING RESULTS';
 ./collect_cgal_testresults_from_cmake;
-if [ -n "\$COLLECT_DEMOS_BINARIES" ]; then 
+if [ -n "\$COLLECT_DEMOS_BINARIES" ]; then
   echo 'COLLECTING DEMOS BINARIES';
   tar czvf '${CGAL_TEST_DIR}/demos_${CGAL_TESTER}_${PLATFORM}.tar.gz' *_Demo/*.exe *_Demo/*.dll *_Demo/*/*.dll *_Demo/*/*/*.dll
 fi
@@ -804,7 +804,7 @@ put_on_web()
 # Parse command line arguments
 for arg in "$@"
 do
-  case "$arg" in 
+  case "$arg" in
     "-c")
       echo "Using latest unzipped release instead of getting a new one from the server"
       USE_LATEST_UNZIPPED="y"
@@ -850,7 +850,7 @@ LIST_TEST_PACKAGES="${CGAL_ROOT}/list_test_packages"
 ACTUAL_LOGFILE="${CGAL_ROOT}/`basename ${0}`.log"
 rm -f "${ACTUAL_LOGFILE}"
 
-echo "Running `basename ${0}` "'$Revision$' >> "${ACTUAL_LOGFILE}" 
+echo "Running `basename ${0}` "'$Revision$' >> "${ACTUAL_LOGFILE}"
 
 # Sanity checks
 if [ "${REFERENCE_PLATFORMS_DIR}" = "must_be_set_in_.autocgalrc" ]; then
@@ -878,11 +878,11 @@ fi
 # Detects cygwin
 if uname | grep -q "CYGWIN"; then
   JOM="`which jom`"
-  if [ -e "$JOM" ]; then 
+  if [ -e "$JOM" ]; then
     CMAKE_GENERATOR='-GNMake Makefiles JOM'
     MAKE_CMD='jom'
     log "${ACTUAL_LOGFILE}" "Cygwin detected, jom detected, using jom"
-  else 
+  else
     CMAKE_GENERATOR='-GNMake Makefiles'
     MAKE_CMD='nmake'
     log "${ACTUAL_LOGFILE}" "Cygwin detected, using nmake"
@@ -899,7 +899,7 @@ if [ -z "$IS_CYGWIN" ]; then
 lockfile -r 1 "$LOCK_FILE";
 if [ ${?} != 0 ]; then
   PID=`cat "$LOCK_FILE"`
-  if kill -0 "$PID"; then 
+  if kill -0 "$PID"; then
     log "${ACTUAL_LOGFILE}" "COULD NOT ACQUIRE LOCK! LOCKING PROCESS PID=$PID";
     exit 1;
   else
@@ -956,7 +956,7 @@ if [ "${BUILD_HOSTS}" = "localhost" ]; then
   TEXT="`value_of COMPILERS_localhost`"
   if [ -z "${DO_NOT_TEST}" ]; then
     if [ -z "${TEXT}" ]; then
-	    printf "Skipping testing phase (use the -n option to remove this message).\n"
+      printf "Skipping testing phase (use the -n option to remove this message).\n"
       DO_NOT_TEST="y"
     fi
   fi