X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~mdw/git/mLib/blobdiff_plain/ad61a8f85b8e2dc5b3bbfe0629480e635af8bd3f..573eadb534c42c4feace5e493cc135dd5e7b00d9:/configure.in

diff --git a/configure.in b/configure.in
index 3cafccc..eb39a81 100644
--- a/configure.in
+++ b/configure.in
@@ -1,6 +1,6 @@
-dnl -*-fundamental-*-
+dnl -*-m4-*-
 dnl
-dnl $Id: configure.in,v 1.35 2003/11/29 11:59:17 mdw Exp $
+dnl $Id: configure.in,v 1.37 2003/12/13 20:37:59 mdw Exp $
 dnl
 dnl Configuration script for mLib
 dnl
@@ -29,6 +29,12 @@ dnl MA 02111-1307, USA.
 dnl ----- Revision history --------------------------------------------------
 dnl
 dnl $Log: configure.in,v $
+dnl Revision 1.37  2003/12/13 20:37:59  mdw
+dnl Add adns support in background resolver.
+dnl
+dnl Revision 1.36  2003/11/29 20:38:38  mdw
+dnl Debianization fixes.
+dnl
 dnl Revision 1.35  2003/11/29 11:59:17  mdw
 dnl Various stuff.
 dnl
@@ -106,6 +112,27 @@ AC_CHECK_HEADERS(float.h)
 mdw_CHECK_MANYLIBS(socket, socket)
 mdw_CHECK_MANYLIBS(gethostbyname, nsl resolv)
 
+DEPLIBS=$LIBS AC_SUBST(DEPLIBS)
+BRES_LIBEXEC="bres" BRES_SOURCE="bres"
+AC_SUBST(BRES_LIBEXEC) AC_SUBST(BRES_SOURCE)
+AC_ARG_WITH(adns,
+[  --with-adns             use ADNS library for background name resolution],
+[want_adns=$withval], [want_adns=auto])
+if test $want_adns != no; then
+  save_LIBS=$LIBS
+  LIBS=$DEPLIBS
+  mdw_CHECK_MANYLIBS(adns_init, adns, [have_adns=yes], [have_adns=no])
+  DEPLIBS=$LIBS
+  LIBS=$save_LIBS
+  if test $have_adns = yes; then
+    AC_DEFINE(HAVE_ADNS)
+    BRES_LIBEXEC=""
+    BRES_SOURCE="bres-adns"
+  elif test $want_adns = yes; then
+    AC_MSG_ERROR([ADNS library not found, but explicitly requested])
+  fi
+fi
+
 AC_CACHE_CHECK([for msg_control], [mdw_cv_msg_control],
 [AC_TRY_COMPILE(
 [#include <sys/types.h>