Disable fastparser in developers' builds

configure.ac

@@ -59,10 +59,15 @@ AM_CONDITIONAL([HAVE_DOCS], [test "$enable_documentation" = "yes"])
 
 AC_PROG_INSTALL
 
-# Set zone parser type
+# Set zone parser type - fastest on release build, slowest on dev build
+AS_IF([test -d ".git" -o "$PATCH_VERSION" = "dev"],[
+    enable_fastparser=no
+    ],[
+    enable_fastparser=yes
+    ])
+    
 AC_ARG_ENABLE([fastparser],
-    AS_HELP_STRING([--disable-fastparser], [Use slower zone parser]),
-    [], [enable_fastparser=yes])
+    AS_HELP_STRING([--disable-fastparser], [Disable use of fastest zone parser]))
 AM_CONDITIONAL([FAST_PARSER], [test "$enable_fastparser" = "yes"])
 
 # GnuTLS crypto backend