From c56b95a194c842e84d880e14fa4a5942961895ca Mon Sep 17 00:00:00 2001
From: Bo Peng <pengbo@sraoss.co.jp>
Date: Wed, 1 May 2024 15:42:10 +0900
Subject: [PATCH] Fixed compiler error with
 -Werror=implicit-function-declaration

- Add missing header files in autoconf check and
- Add LDAP_DEPRECATED to include prototypes for deprecated ldap functions

Patch is created by Vladimir Petko.
---
 c-library.m4                | 3 +++
 src/auth/pool_hba.c         | 2 ++
 src/include/auth/pool_hba.h | 1 +
 3 files changed, 6 insertions(+)

diff --git a/c-library.m4 b/c-library.m4
index 74754b20e..482d250f6 100644
--- a/c-library.m4
+++ b/c-library.m4
@@ -230,6 +230,9 @@ AC_DEFUN([PGAC_FUNC_SNPRINTF_LONG_LONG_INT_FORMAT],
 AC_CACHE_VAL(pgac_cv_snprintf_long_long_int_format,
 [for pgac_format in '%lld' '%qd' '%I64d'; do
 AC_TRY_RUN([#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
 typedef long long int ac_int64;
 #define INT64_FORMAT "$pgac_format"
 
diff --git a/src/auth/pool_hba.c b/src/auth/pool_hba.c
index f1170f1eb..202195b43 100644
--- a/src/auth/pool_hba.c
+++ b/src/auth/pool_hba.c
@@ -52,6 +52,7 @@
 #include "protocol/pool_process_query.h"
 
 #ifdef USE_LDAP
+#define LDAP_DEPRECATED 1
 #include <ldap.h>
 #endif
 
@@ -168,6 +169,7 @@ static POOL_CONNECTION * pam_frontend_kludge;	/* Workaround for passing
 #endif							/* USE_PAM */
 
 #ifdef USE_LDAP
+#define LDAP_DEPRECATED 1
 #include <ldap.h>
 
 static POOL_STATUS CheckLDAPAuth(POOL_CONNECTION *frontend);
diff --git a/src/include/auth/pool_hba.h b/src/include/auth/pool_hba.h
index 8c9e1ab0b..a6e0a1533 100644
--- a/src/include/auth/pool_hba.h
+++ b/src/include/auth/pool_hba.h
@@ -30,6 +30,7 @@
 #include "pool.h"
 
 #ifdef USE_LDAP
+#define LDAP_DEPRECATED 1
 #include  <ldap.h>
 #endif
 
-- 
2.39.5