try autoreconfing our way to a happier AC_CHECK_LIB

hesiod-3.1.0-libresolv.patch

@@ -0,0 +1,17 @@
+Try to correctly find res_mkquery in libresolv, even in cases where a
+preprocessor-based rename in <resolv.h> may screw us up.
+--- hesiod-3.1.0/configure.in	2006-03-30 11:22:11.000000000 -0500
++++ hesiod-3.1.0/configure.in	2006-03-30 13:31:02.000000000 -0500
+@@ -12,7 +12,11 @@
+ AC_EGREP_HEADER(pw_change, pwd.h, AC_DEFINE(HAVE_PW_CHANGE))
+ AC_EGREP_HEADER(pw_expire, pwd.h, AC_DEFINE(HAVE_PW_EXPIRE))
+ 
+-AC_CHECK_FUNC(res_mkquery, :, [AC_CHECK_LIB(resolv, res_mkquery)])
++AC_CHECK_FUNC(res_mkquery, :, [AC_CHECK_LIB(resolv, res_mkquery,,[
++saveLIBS="$LIBS"
++LIBS="-lresolv $LIBS"
++AC_TRY_LINK([#include <resolv.h>],[res_mkquery(0,NULL,0,0,NULL,0,NULL,NULL,0);],[AC_DEFINE(HAVE_RES_MKQUERY,1,[Define if your libresolv provides res_mkquery.])],[LIBS="$saveLIBS"])
++])])
+ 
+ AC_CONFIG_HEADER(config.h)
+ AC_OUTPUT(Makefile)

hesiod.spec

@@ -10,6 +10,7 @@ Summary: Hesiod libraries.
 Group: System Environment/Libraries
 License: MIT
 Buildroot: %{_tmppath}/hesiod-root
+BuildRequires: autoconf, automake, libtool
 
 %description
 Hesiod is a system which uses existing DNS functionality to provide access
@@ -156,6 +157,7 @@ the header files and libraries required for building programs which use Hesiod.
 %patch1 -p1 -b .env
 %patch2 -p1 -b .str
 %patch3 -p1 -b .dnsparse
+autoreconf
 
 %build
 %configure