if BUILD_MODULE_DNS
pkglib_LTLIBRARIES += dns.la
-dns_la_SOURCES = dns.c utils_dns.c utils_dns.h
+dns_la_SOURCES = dns.c
+if BUILD_WITH_LIBPCAP
+if BUILD_WITH_LIBPTHREAD
+dns_la_SOURCES += utils_dns.c utils_dns.h
+endif
+endif
dns_la_LDFLAGS = -module -avoid-version
if BUILD_WITH_LIBPCAP
dns_la_LDFLAGS += -lpcap