-libguestfs_jni_la_LDFLAGS = -version-info $(JNI_VERSION_INFO)
-libguestfs_jni_la_CFLAGS = -Wall -I$(top_srcdir)/src -I$(top_builddir)/src $(JNI_CFLAGS)
+libguestfs_jni_la_LDFLAGS = -version-info $(JNI_VERSION_INFO) -shared
+libguestfs_jni_la_CFLAGS = \
+ $(WARN_CFLAGS) $(WERROR_CFLAGS) \
+ -I$(top_srcdir)/src -I$(top_builddir)/src \
+ $(JNI_CFLAGS)