mount command: use gethostbyname(3) when building on old systems

[nfs-utils.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 1436d20c068368882453de3ce658b5d3e14ce541..1b83296d6e15f4d591a7ff89326068dfd44c86f3 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -178,6 +178,12 @@ AC_CHECK_FUNC(connect, ,
 AC_CHECK_FUNC(getaddrinfo, , ,
                 AC_MSG_ERROR(Function 'getaddrinfo' not found.))
 
+AC_CHECK_FUNC(getrpcbynumber, , ,
+                AC_MSG_ERROR(Function 'getrpcbynumber' not found.))
+
+AC_CHECK_FUNC(getservbyname, , ,
+                AC_MSG_ERROR(Function 'getservbyname' not found.))
+
 AC_CHECK_LIB(crypt, crypt, [LIBCRYPT="-lcrypt"])
 if test "$enable_nfsv4" = yes; then
     AC_CHECK_LIB(event, event_dispatch, [libevent=1], AC_MSG_ERROR([libevent needed for nfsv4 support]))
@@ -240,6 +246,11 @@ if test "$enable_gss" = yes; then
 
 fi
 
+AC_CHECK_DECL([AI_ADDRCONFIG],
+              AC_DEFINE([HAVE_DECL_AI_ADDRCONFIG], 1,
+                         [Define this to 1 if AI_ADDRCONFIG macro is defined]), ,
+              [ #include <netdb.h> ] )
+
 if test "$enable_ipv6" = yes; then
   AC_CHECK_FUNC(inet_ntop, , ,
                AC_MSG_ERROR(Function 'inet_ntop' not found.))
@@ -249,6 +260,9 @@ if test "$enable_ipv6" = yes; then
                AC_MSG_ERROR([libtirpc needed for IPv6 support]))
   AC_CHECK_HEADERS(tirpc/netconfig.h, ,
                AC_MSG_ERROR([libtirpc-devel needed for IPv6 support]))
+  AC_CHECK_DECL([AI_ADDRCONFIG], ,
+               AC_MSG_ERROR([full getaddrinfo(3) implementation needed for IPv6 support]),
+               [ #include <netdb.h> ] )
 fi
 
 dnl *************************************************************