X-Git-Url: https://git.distorted.org.uk/~mdw/adns/blobdiff_plain/b6953d1b46cb12e32e4d2926bce078ef10825785..82ab0d309445b9b18aab9aed04a7cb978b766a0b:/aclocal.m4

diff --git a/aclocal.m4 b/aclocal.m4
index cdc5803..d5f21c8 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -1,5 +1,12 @@
 # aclocal.m4 - package-specific macros for autoconf
 #  
+#  This file is
+#    Copyright (C) 1997-1999 Ian Jackson <ian@davenant.greenend.org.uk>
+#
+#  It is part of adns, which is
+#    Copyright (C) 1997-1999 Ian Jackson <ian@davenant.greenend.org.uk>
+#    Copyright (C) 1999 Tony Finch <dot@dotat.at>
+#  
 #  This file is part of adns, which is Copyright (C) 1997-1999 Ian Jackson
 #
 #  This program is free software; you can redistribute it and/or modify
@@ -53,3 +60,11 @@ 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])
+  ])
+ ])
+])