GPS: enable tunc constrained feature by default for auto PL

Enable TUNC feature by default if DISTRO is set to "auto"

Change-Id: I5d05a40fd6c6fb5c9f37cf2a7478f66b9384f5df
CRs-fixed: 2528781

core/ContextBase.cpp

@@ -171,9 +171,14 @@ void ContextBase::readConfig()
         /* default configuration value of constrained time uncertainty mode:
            feature disabled, time uncertainty threshold defined by modem,
            and unlimited power budget */
+#ifdef FEATURE_AUTOMOTIVE
+        mGps_conf.CONSTRAINED_TIME_UNCERTAINTY_ENABLED = 1;
+#else
         mGps_conf.CONSTRAINED_TIME_UNCERTAINTY_ENABLED = 0;
+#endif
         mGps_conf.CONSTRAINED_TIME_UNCERTAINTY_THRESHOLD = 0.0;
         mGps_conf.CONSTRAINED_TIME_UNCERTAINTY_ENERGY_BUDGET = 0;
+
         /* default configuration value of position assisted clock estimator mode */
         mGps_conf.POSITION_ASSISTED_CLOCK_ESTIMATOR_ENABLED = 0;
         /* default configuration QTI GNSS H/W */

core/Makefile.am

@@ -56,6 +56,10 @@ libloc_core_la_LDFLAGS = -Wl,-z,defs -lpthread -shared -version-info 1:0:0
 libloc_core_la_CPPFLAGS = $(AM_CFLAGS) $(AM_CPPFLAGS)
 endif
 
+if USE_FEATURE_AUTOMOTIVE
+AM_CFLAGS += -DFEATURE_AUTOMOTIVE
+endif
+
 libloc_core_la_LIBADD = -ldl $(GPSUTILS_LIBS)
 
 #Create and Install libraries

core/configure.ac

@@ -74,6 +74,18 @@ fi
 
 AM_CONDITIONAL(USE_GLIB, test "x${with_glib}" = "xyes")
 
+AC_ARG_WITH([auto_feature],
+    AC_HELP_STRING([--with-auto_feature=@<:@dir@:>@],
+        [Using Automotive feature]),
+    [],
+    with_auto_feature=no)
+
+if test "x$with_auto_feature" != "xno"; then
+    CPPFLAGS="${CPPFLAGS} -DFEATURE_AUTOMOTIVE"
+fi
+
+AM_CONDITIONAL(USE_FEATURE_AUTOMOTIVE, test "x${with_auto_feature}" = "xyes")
+
 AC_CONFIG_FILES([ \
         Makefile \
         loc-core.pc \