$NetBSD: patch-configure.in,v 1.1 2016/04/22 15:04:24 manu Exp $

Fix excessive library dependencies

Make sure we only link with kerberos llibraries if kerberos features
are enabled. Otherwise we produce a binaruy that requires unused
libraries, which is a liability when we try to use it on a system
where they are not installed.

Submitted upstream as https://github.com/PADL/nss_ldap/pull/4

--- configure.in.orig	2016-04-20 18:26:12.000000000 +0000
+++ configure.in	2016-04-21 04:11:19.000000000 +0000
@@ -288,20 +288,24 @@
 
 AC_CHECK_LIB(dl, dlopen,[LIBS="-ldl $LIBS"],,$LIBS)
 dnl AC_CHECK_LIB(db, main,[LIBS="-ldb $LIBS"],,$LIBS)
 
-AC_CHECK_LIB(gssapi, gss_krb5_ccache_name,[LIBS="-lgssapi $LIBS" found_gssapi_lib=yes],,$LIBS)
-if test -z "$found_gssapi_lib"; then
-  AC_CHECK_LIB(gssapi_krb5, gss_krb5_ccache_name,[LIBS="-lgssapi_krb5 $LIBS"],,$LIBS)
+if test "x$enable_configurable_krb5_ccname_env" = "xyes" -o \
+        "x$enable_configurable_krb5_ccname_gssapi" = "xyes" -o \
+        "x$enable_configurable_krb5_keytab" = "xyes" ; then
+  AC_CHECK_LIB(gssapi, gss_krb5_ccache_name,[LIBS="-lgssapi $LIBS" found_gssapi_lib=yes],,$LIBS)
+  if test -z "$found_gssapi_lib"; then
+    AC_CHECK_LIB(gssapi_krb5, gss_krb5_ccache_name,[LIBS="-lgssapi_krb5 $LIBS"],,$LIBS)
+  fi
+  
+  dnl Following checks probably not strictly necessary.
+  dnl AC_CHECK_LIB(crypto, main,[LIBS="-lcrypto $LIBS"],,$LIBS)
+  dnl AC_CHECK_LIB(ssl, main,[LIBS="-lssl $LIBS"],,$LIBS) 
+  AC_CHECK_LIB(com_err, main,[LIBS="-lcom_err $LIBS"],,$LIBS)
+  dnl AC_CHECK_LIB(k5crypto, main,[LIBS="-lk5crypto $LIBS"],,$LIBS)
+  AC_CHECK_LIB(krb5, main,[LIBS="-lkrb5 $LIBS"],,$LIBS)
+  dnl AC_CHECK_LIB(krb4, main,[LIBS="-lkrb4 $LIBS"],,$LIBS)
 fi
-
-dnl Following checks probably not strictly necessary.
-dnl AC_CHECK_LIB(crypto, main,[LIBS="-lcrypto $LIBS"],,$LIBS)
-dnl AC_CHECK_LIB(ssl, main,[LIBS="-lssl $LIBS"],,$LIBS)
-AC_CHECK_LIB(com_err, main,[LIBS="-lcom_err $LIBS"],,$LIBS)
-dnl AC_CHECK_LIB(k5crypto, main,[LIBS="-lk5crypto $LIBS"],,$LIBS)
-AC_CHECK_LIB(krb5, main,[LIBS="-lkrb5 $LIBS"],,$LIBS)
-dnl AC_CHECK_LIB(krb4, main,[LIBS="-lkrb4 $LIBS"],,$LIBS)
 AC_CHECK_LIB(sasl2, sasl_client_init)
 
 if test -z "$found_ldap_lib" -a \( $with_ldap_lib = auto -o $with_ldap_lib = umich -o $with_ldap_lib = openldap \); then
   AC_CHECK_LIB(lber, main)