configure: Improve check for libresolv.
diff --git a/configure.ac b/configure.ac
index a266e53..df0eb63 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1006,9 +1006,12 @@
AC_SUBST(RESOLVLIBS,"")
if test "$ac_cv_header_resolv_h" = "yes"
then
- AC_CHECK_LIB(resolv, res_query,
+ ac_save_LIBS="$LIBS"
+ LIBS="$LIBS -lresolv"
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <resolv.h>]],[[res_init();]])],
[AC_DEFINE(HAVE_RESOLV, 1, [Define if you have the resolver library and header])
RESOLVLIBS="-lresolv"])
+ LIBS="$ac_save_LIBS"
fi
dnl **** Check for LittleCMS ***