[rt46602] Add ability to prevent deletion of output files when running all tests

Some tests may need to examine all output files from all system tests.
Allow the deletion of these files to be inhibited if required.

(cherry picked from commit 00bc29640b)

bin/tests/system/Makefile.in

@@ -60,7 +60,7 @@ parallel.mk:
 	for directory in $(PARALLEL) ; do \
 		echo "" >> $@ ; \
 		echo "$$directory:" >> $@ ; \
-		echo "	@$(SHELL) ./run.sh -r -p $$port $$directory 2>&1 | tee $$directory/test.output" >> $@ ; \
+		echo "	@$(SHELL) ./run.sh $$NOCLEAN -r -p $$port $$directory 2>&1 | tee $$directory/test.output" >> $@ ; \
 		port=`expr $$port + 100` ; \
 	done
 
@@ -68,7 +68,7 @@ parallel.mk:
 
 test: parallel.mk subdirs
 	@$(MAKE) -f parallel.mk check
-	@$(SHELL) ./runsequential.sh -r
+	@$(SHELL) ./runsequential.sh $$NOCLEAN -r
 	@$(SHELL) ./testsummary.sh
 
 check: test

bin/tests/system/runall.sh

@@ -17,7 +17,15 @@
 SYSTEMTESTTOP=.
 . $SYSTEMTESTTOP/conf.sh
 
-usage="Usage: ./runall.sh [numprocesses]"
+usage="Usage: ./runall.sh [-n] [numprocesses]"
+
+while getopts "n" flag; do
+    case "$flag" in
+	n) CLEANFLAG="NOCLEAN=-n" ;;
+	*) echo "$usage" >&2 ; exit 1 ;;
+    esac
+done
+shift `expr $OPTIND - 1`
 
 if [ $# -eq 0 ]; then
     numproc=1
@@ -25,7 +33,7 @@ elif [ $# -eq 1 ]; then
     test "$1" -eq "$1" > /dev/null 2>& 1
     if [ $? -ne 0 ]; then
         # Value passed is not numeric
-        echo "$usage"
+        echo "$usage" >&2
         exit 1
     fi
     numproc=$1
@@ -34,6 +42,6 @@ else
     exit 1
 fi
 
-make -j $numproc check
+$CLEANFLAG make -j $numproc check
 
 exit $?