X-Git-Url: https://git.distorted.org.uk/~mdw/adns/blobdiff_plain/11b3519314b471bb042bf3a69bbbb3adaa7aa19d..3eb20edd4ef2a509a0ff7d3973f663e35f812ea7:/aclocal.m4

diff --git a/aclocal.m4 b/aclocal.m4
index cdc5803..b3879a0 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -1,6 +1,10 @@
 # aclocal.m4 - package-specific macros for autoconf
 #  
-#  This file is part of adns, which is Copyright (C) 1997-1999 Ian Jackson
+#  This file is part of adns, which is
+#    Copyright (C) 1997-2000,2003,2006  Ian Jackson
+#    Copyright (C) 1999-2000,2003,2006  Tony Finch
+#    Copyright (C) 1991 Massachusetts Institute of Technology
+#  (See the file INSTALL for full details.)
 #
 #  This program is free software; you can redistribute it and/or modify
 #  it under the terms of the GNU General Public License as published by
@@ -53,3 +57,11 @@ define(ADNS_C_GCCATTRIB,[
     AC_MSG_RESULT(no)),
   AC_MSG_RESULT(no))
 ])
+
+define(ADNS_C_GETFUNC,[
+ AC_CHECK_FUNC([$1],,[
+  AC_CHECK_LIB([$2],[$1],[$3],[
+    AC_MSG_ERROR([cannot find library function $1])
+  ])
+ ])
+])