Compile unit tests only on demand unless using --enable-debug.

configure.ac

@@ -75,6 +75,7 @@ AC_ARG_ENABLE([debug],AS_HELP_STRING([--enable-debug],[Enable debug output]),[en
  
 AC_MSG_CHECKING(for debug flag)
 AC_MSG_RESULT($enable_debug)
+AM_CONDITIONAL([WITH_DEBUG], [test "$enable_debug" != "no"])
  
 if test x"$enable_debug" = "xyes"
 then

test/Makefile.am

@@ -7,10 +7,16 @@ if WITH_CUTTER
 TESTS = run-test.sh
 TESTS_ENVIRONMENT = NO_MAKE=yes CUTTER="$(CUTTER)"
 
-noinst_LTLIBRARIES = \
-		     test_access_storm.la \
-		     test_register_access.la \
-		     test_register_endianness.la
+cutter_unit_test_libs = \
+			test_access_storm.la \
+			test_register_access.la \
+			test_register_endianness.la
+
+if WITH_DEBUG
+noinst_LTLIBRARIES = $(cutter_unit_test_libs)
+else
+check_LTLIBRARIES = $(cutter_unit_test_libs)
+endif
 
 AM_LDFLAGS = -module -rpath $(libdir) -avoid-version -no-undefined