+package-$(BR2_PACKAGE_PCRE) += pcre
+package-$(BR2_PACKAGE_POPT) += popt
+package-$(BR2_PACKAGE_PPP) += ppp
+package-$(BR2_PACKAGE_PPTP) += pptp
+package-$(BR2_PACKAGE_PPTPD) += pptpd
+package-$(BR2_PACKAGE_STRACE) += strace
+package-$(BR2_PACKAGE_TCPDUMP) += tcpdump
+package-$(BR2_PACKAGE_ZLIB) += zlib