try to improve svr4 socket library inquiries

diff --git a/configure.in b/configure.in
index 34af46fc431f6152f0865ac415bd27d054d64ccb..d240519c33f30145e98b45d549bc78991ee02958 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -125,7 +125,9 @@ AC_MSG_RESULT($LINKFORSHARED)
 AC_CHECK_LIB(dl, dlopen)       # Dynamic linking for SunOS/Solaris and SYSV
 AC_CHECK_LIB(dld, shl_load)    # Dynamic linking for HP-UX
 AC_CHECK_LIB(sun, getpwnam)    # NIS (== YP) interface for IRIX 4
-AC_CHECK_LIB(socket, socket, [LIBS=-lsocket -linet -lnsl], [], [-linet -lnsl])
+AC_CHECK_LIB(nsl, gethostbyname, [LIBS="-lnsl $LIBS"]) # hosts db interface
+AC_CHECK_LIB(inet, ???, [LIBS="-linet $LIBS"]) # SVR4 internet???
+AC_CHECK_LIB(socket, socket, [LIBS="-lsocket $LIBS"]) # SVR4 sockets
 
 AC_CHECKING(for --with-readline)
 AC_ARG_WITH(readline, [--with-readline=DIRECTORY GNU readline], [