X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=configure.in;h=4af860628fc602e7b01f7be6004535b7144f194a;hb=04e7fb4d97434b04dfc25c79fd0ceec8d76c38ac;hp=0267a37fcccb2c9b26be309d4d8f9e05683f8cf6;hpb=e9e1b0e6b53d86c2bee91711d94e87a033176f9b;p=adns.git

diff --git a/configure.in b/configure.in
index 0267a37..4af8606 100644
--- a/configure.in
+++ b/configure.in
@@ -19,11 +19,35 @@
 AC_INIT(src/adns.h)
 AC_CONFIG_HEADER(src/config.h)
 AC_PROG_CC
+AC_PROG_CPP
 AC_PROG_RANLIB
 
+AC_CHECK_FUNCS(poll)
 ADNS_C_GETFUNC(socket,socket)
 ADNS_C_GETFUNC(inet_ntoa,nsl)
 
+AC_MSG_CHECKING(for INADDR_LOOPBACK)
+AC_CACHE_VAL(adns_cv_decl_inaddrloopback,[
+ AC_TRY_COMPILE([
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+ ],[
+  INADDR_LOOPBACK;
+ ],
+ adns_cv_decl_inaddrloopback=yes,
+ adns_cv_decl_inaddrloopback=no)])
+if test "$adns_cv_decl_inaddrloopback" = yes; then
+ AC_MSG_RESULT(found)
+else
+ AC_MSG_RESULT([not in standard headers, urgh...])
+ AC_CHECK_HEADER(rpc/types.h,[
+  AC_DEFINE(HAVEUSE_RPCTYPES_H)
+ ],[
+  AC_MSG_ERROR([cannot find INADDR_LOOPBACK or rpc/types.h])
+ ])
+fi
+
 ADNS_C_GETFUNC(inet_aton,resolv,[
  LIBS="-lresolv $LIBS";
  AC_MSG_WARN([inet_aton is in libresolv, urgh.  Must use -lresolv.])