--- icedtea-3.3.0/acinclude.m4~	2017-01-29 09:13:46.000000000 +0100
+++ icedtea-3.3.0/acinclude.m4	2017-01-29 09:14:35.735520204 +0100
@@ -1822,15 +1822,10 @@ AC_DEFUN_ONCE([IT_CHECK_FOR_KERBEROS],
   AC_MSG_RESULT(${ENABLE_SYSTEM_KERBEROS})
   if test x"${ENABLE_SYSTEM_KERBEROS}" = "xyes"; then
     dnl Check for krb5 header and library.
-    PKG_CHECK_MODULES(KRB5, krb5, [KRB5_FOUND=yes], [KRB5_FOUND=no])
-    if test "x${KRB5_FOUND}" = "xno"; then
-      AC_MSG_NOTICE([Could not find Kerberos using pkg-config; trying via krb5.h and krb5 library])
-      AC_CHECK_LIB([krb5], [krb5_cc_default],
-        , [AC_MSG_ERROR([Could not find Kerberos library; install Kerberos or build with --disable-system-kerberos to use the default cache location.])])
-      AC_CHECK_HEADER([krb5.h],
-        , [AC_MSG_ERROR([Could not find Kerberos header; install Kerberos or build with --disable-system-kerberos to use the default cache location.])])
-      KRB5_LIBS="-lkrb5"
-    fi
+    KRB5_LIBS=`krb5-config --libs`
+    KRB5_CFLAGS=`krb5-config --cflags`
+    AC_SUBST(KRB5_LIBS)
+    AC_SUBST(KRB5_CFLAGS)
   fi
   AM_CONDITIONAL(USE_SYSTEM_KERBEROS, test x"${ENABLE_SYSTEM_KERBEROS}" = "xyes")
   AC_SUBST(ENABLE_SYSTEM_KERBEROS)