uplink: Fix build on MacOS, res_init in -lresolv

Author: hessu

src/Makefile.in

@@ -61,7 +61,9 @@ INSTALL_PROGRAM=$(INSTALL)  -m 755
 INSTALL_DATA=	$(INSTALL)  -m 644
 INSTALL_DIR=$(INSTALL)  -m 755 -d
 
-LIBS=		@LIBEVENT@ @LIBM@ @LIBRT@ @LIBPTHREAD@ @LIBSOCKET@ @LIBGETNAMEINFO@ @LIBCAP@ @LIBZ@ @LIBCRYPTO@ @LIBSSL@
+LIBS=		@LIBEVENT@ @LIBM@ @LIBRT@ @LIBPTHREAD@ \
+		@LIBSOCKET@ @LIBGETNAMEINFO@ \
+		@LIBCAP@ @LIBRESOLV@ @LIBZ@ @LIBCRYPTO@ @LIBSSL@
 
 #LIBS += -L/data/www/mapt1/extsrc/libevent-2.0.14-stable/installed/usr/local/lib
 #CFLAGS += -I/data/www/mapt1/extsrc/libevent-2.0.14-stable/installed/usr/local/include

src/configure.ac

@@ -81,6 +81,10 @@ AC_CHECK_HEADERS([sys/epoll.h], AC_DEFINE([HAVE_SYS_EPOLL_H]))
 dnl Check for MacOS struct stat
 AC_CHECK_MEMBER([struct stat.st_mtimespec], AC_DEFINE([HAVE_STAT_ST_MTIMESPEC], [], [MacOS struct stat.st_mtimespec]))
 
+dnl Check for res_init in libresolv
+AC_SUBST(LIBRESOLV)
+AC_CHECK_LIB(resolv,res_init,[LIBRESOLV="-lresolv"])
+
 dnl SCTP checks
 AC_CHECK_HEADERS([netinet/sctp.h], AC_DEFINE([HAVE_NETINET_SCTP_H]))