tests: Set SWTPM_WITH_CUSE in test_config and run CUSE tests if '1'

So that also the CUSE tests can run 'installed' set a variable
SWTPM_WITH_CUSE in test_config and make the CUSE tests now depend
on the value defined there rather than grepping through config.h.

Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>

configure.ac

@@ -209,6 +209,7 @@ if test "$with_cuse" != "no"; then
 fi
 
 dnl with_cuse is now yes or no
+SWTPM_WITH_CUSE=0
 if test "$with_cuse" != "no"; then
     LIBFUSE_LIBS=$(pkg-config fuse --libs)
     if test $? -ne 0; then
@@ -224,8 +225,10 @@ if test "$with_cuse" != "no"; then
         AC_MSG_ERROR("Is glib-2.0 installed? -- could not get libs for gthread-2.0")
     fi
     AC_SUBST([GTHREAD_LIBS])
+    SWTPM_WITH_CUSE=1
 fi
 AM_CONDITIONAL([WITH_CUSE],[test "$with_cuse" = "yes"])
+AC_SUBST([SWTPM_WITH_CUSE])
 AC_MSG_RESULT($with_cuse)
 
 JSON_GLIB_CFLAGS=$(pkg-config --cflags json-glib-1.0)

tests/test_config.in

@@ -2,3 +2,4 @@
 
 TSS_USER=@TSS_USER@
 TSS_GROUP=@TSS_GROUP@
+SWTPM_WITH_CUSE=@SWTPM_WITH_CUSE@

tests/test_cuse

@@ -13,8 +13,8 @@ if [ "$(id -u)" -ne 0 ]; then
 	exit 77
 fi
 
-if ! grep -q -E '#[[:blank:]]*define[[:blank:]]+WITH_CUSE[[:blank:]]+1[[:blank:]]*$' \
-		"${PWD}/../config.h"; then
+source $(dirname "$0")/test_config
+if [ "${SWTPM_WITH_CUSE}" -eq 0 ]; then
 	echo "Skipping test: swtpm was not compiled with CUSE interface"
 	exit 77
 fi