mariadb: explicitly disable dtrace detection

By default, mariadb's cmake script tries to detect dtrace support. On
hosts that have dtrace installed, this incorrectly enables dtrace and
causes compile errors.

Signed-off-by: Frank Hunleth <fhunleth@troodon-software.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/mariadb/mariadb.mk

@@ -43,6 +43,9 @@ MARIADB_CONF_OPTS += -DWITH_JEMALLOC=no -DWITHOUT_TOKUDB=1
 # Make it explicit that we are cross-compiling
 MARIADB_CONF_OPTS += -DCMAKE_CROSSCOMPILING=1
 
+# Explicitly disable dtrace to avoid detection of a host version
+MARIADB_CONF_OPTS += -DENABLE_DTRACE=0
+
 ifeq ($(BR2_PACKAGE_MARIADB_SERVER),y)
 MARIADB_CONF_OPTS += -DWITH_EMBEDDED_SERVER=ON
 else