configure.ac: use test "x$var" = "xyes"

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

diff --git a/configure.ac b/configure.ac
index c428cf9d0e681b7e23057dd42cda9944d8ef6a3c..cfb2ddf5ead414a66311501808121338321cfb44 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -356,7 +356,7 @@ AC_DEFINE_UNQUOTED([LTTNG_SYSTEM_RUNDIR], ["$lttng_system_rundir"],
        [LTTng system runtime directory])
 
 AC_CHECK_PROG([BUILD_GEN_TP_EXAMPLES],[python],["yes"])
-AM_CONDITIONAL([BUILD_GEN_TP_EXAMPLES], [test $BUILD_GEN_TP_EXAMPLES])
+AM_CONDITIONAL([BUILD_GEN_TP_EXAMPLES], [test "x$BUILD_GEN_TP_EXAMPLES" = "xyes"])
 
 AC_CONFIG_FILES([
        Makefile