tests: New test run envvar to run gpg under valgrind.

--

Take care: Running under valgrind takes loooong and in some case you
may run into an valgrind internal error.

Signed-off-by: Werner Koch <wk@gnupg.org>

tests/openpgp/README

@@ -25,6 +25,9 @@ spawned programs to their standard error stream, verbose=2 to see what
 programs are executed, or verbose=3 to see even more program output
 and exit codes.
 
+If you want to run gpg under valgrind add with_valgrind=1.
+
+
 ** Inspecting the test environment
 
 To inspect the environment in which tests are running, or to quickly

tests/openpgp/defs.scm

@@ -123,6 +123,7 @@
 
 (define bin-prefix (getenv "BIN_PREFIX"))
 (define installed? (not (string=? "" bin-prefix)))
+(define with-valgrind? (not (string=? (getenv "with_valgrind") "")))
 
 (define (tool-hardcoded which)
   (let ((t (assoc which tools)))
@@ -138,7 +139,8 @@
 ;; (set! gpg `(,@valgrind ,@gpg))
 ;;
 (define valgrind
-  '("/usr/bin/valgrind" --leak-check=full --error-exitcode=154))
+  '("/usr/bin/valgrind" -q --leak-check=no --track-origins=yes
+                        --error-exitcode=154 --exit-on-first-error=yes))
 
 (unless installed?
 	(setenv "GNUPG_BUILDDIR" (getenv "objdir") #t))
@@ -496,4 +498,12 @@
 		   "but got" trust))))
 
 
+;;
+;; Enable checking with valgrind if the envvar "with_valgrind" is set
+;;
+(when with-valgrind?
+  (set! gpg `(,@valgrind ,@gpg)))
+
+
+
 ;; end